JP6774754B2 - Sliding door switchgear - Google Patents

Description

The present invention relates to a sliding door opening / closing device.

A platform door device is known as an example of a sliding door opening / closing device. As an example of such a platform door device, the movable fence device for a platform of Patent Document 1 includes three horizontal pipes in which sliding doors having a frame structure are arranged at intervals in the vertical direction of the sliding doors, and three horizontal pipes. The horizontal pipe in the center of the pipe is provided with a drive unit for driving the sliding door.

Japanese Unexamined Patent Publication No. 2013-71561 Japanese Unexamined Patent Publication No. 2014-9464

By the way, the position of the entrance / exit of the vehicle may differ depending on the type of vehicle, and for example, a 16-car train and an 8-car train may enter the same platform, so that the vehicle is a platform. Even if the vehicle stops at the same position, the position of the entrance / exit of the vehicle with respect to the platform may be different.

Under these circumstances, when the platform door device is installed on the platform of the vehicle, if the entrance / exit of the platform door device is narrow in the opening / closing direction of the sliding door, the entrance / exit of the platform door device and the entrance / exit of the vehicle may be different. is there. For this reason, it is preferable that the entrance / exit of the platform door device includes the entrance / exit in all cases where the entrance / exit of the vehicle with respect to the platform is different, so that there is an increasing demand for the development of a large platform door device having the entrance / exit wide in the opening / closing direction.

However, when the doorway is wide in the opening / closing direction, the sliding door becomes longer in the opening / closing direction. Therefore, for example, as the sliding door moves in the closing direction, the tip of the sliding door bends vertically downward due to the weight of the sliding door.
On the other hand, as an example of the sliding door opening / closing device, there is known a configuration in which wheels are attached vertically below the sliding door as in the sliding door opening / closing device of Patent Document 2, and the sliding door is supported from vertically below by always touching the ground. .. According to this configuration, the weight of the sliding door prevents it from bending vertically downward.

However, in the sliding door opening / closing device of Patent Document 2, since the wheels are always in contact with the ground, a frictional force is generated between the wheels and the ground during the period in which the sliding door is moving. Therefore, there is still room for improvement in moving the sliding door smoothly.

It should be noted that such a problem is not limited to the platform door device installed on the platform of the vehicle, and may also occur in a sliding door opening / closing device other than the platform door device such as a sliding door opening / closing device for opening / closing the entrance / exit of a factory. is there.

An object of the present invention is to provide a sliding door opening / closing device capable of smoothly moving a sliding door while suppressing the vertical bending of the sliding door.

[1] The sliding door opening / closing device according to one embodiment of the present invention has a sliding door that can move in the opening / closing direction in a state where a gap is provided between the sliding door and the installation surface, and the sliding door according to the position of the sliding door in the opening / closing direction. It is provided with a sliding door support portion capable of supporting the sliding door from below vertically or not supporting the sliding door from below vertically.

According to this configuration, when the sliding door bends vertically downward due to its own weight, the sliding door can be supported vertically downward by the sliding door support portion. Therefore, it is possible to prevent the sliding door from bending vertically downward. Further, since the sliding door support portion does not support the sliding door from vertically below, for example, as compared with a configuration in which the sliding door is supported by wheels and the sliding door moves in the opening / closing direction while the wheels are always in contact with the installation surface. The frictional force when the sliding door moves in the opening / closing direction is reduced. Therefore, the sliding door can move smoothly in the opening / closing direction.

[2] According to one form subordinate to the sliding door opening / closing device, the sliding door support portion has a door side support portion provided at the door end of the sliding door.

According to this configuration, the door end of the sliding door bends vertically downward due to its own weight, so that the door end of the sliding door comes into contact with the installation surface to support the door end of the sliding door from vertically below. If the door tip does not bend vertically downward due to its own weight, or if the amount of bending is small, the sliding door will not be supported from vertically below. Therefore, similar to the effect of the configuration of the above [1], the bending of the sliding door downward due to its own weight can be suppressed, and the sliding door can move smoothly in the opening / closing direction.

[3] According to one form subordinate to the sliding door opening / closing device, the sliding door is further provided with a door pocket capable of accommodating the sliding door, and the sliding door support portion has a door pocket side support portion provided in the door pocket.

According to this configuration, the door pocket side support portion is in a state of supporting the sliding door from vertically below when the sliding door is located on the door pocket side support portion, while the sliding door is supported when the sliding door is not located on the door pocket side support portion. It will not be supported from vertically below. Therefore, similar to the effect of the configuration of the above [1], the bending of the sliding door downward due to its own weight can be suppressed, and the sliding door can move smoothly in the opening / closing direction.

[4] According to one form subordinate to the sliding door opening / closing device, the sliding door is further provided with a rail extending in parallel with the opening / closing direction, and the door pocket side support portion supports the sliding door from vertically below. In the state, the rail is supported from below.

The rail has high flatness accuracy. By supporting the rail with high flatness by the door pocket side support portion, the sliding door can move smoothly in a state where the door pocket side support portion supports the rail.

[5] According to one form subordinate to the sliding door opening / closing device, the sliding door support portion includes wheels.

According to this configuration, when the sliding door support portion is provided in the sliding door, rolling friction occurs between the sliding door support portion and the installation surface, and when the sliding door support portion is provided in the door pocket, there is a gap between the sliding door support portion and the sliding door. It becomes rolling friction. Therefore, as compared with the case where the sliding door support portion has sliding friction, the frictional force when the sliding door support portion supports the sliding door from vertically below is smaller, so that the sliding door can move smoothly.

[6] According to one form subordinate to the sliding door opening / closing device, a plurality of the door pocket side support portions are provided, and the plurality of door pocket side support portions are provided in the door pocket at intervals in the opening / closing direction. There is.

According to this configuration, since the door pocket side support portion can simultaneously support a plurality of portions of the sliding door in the opening / closing direction, it is possible to further suppress the vertical bending of the sliding door housed in the door pocket.

[7] According to one form subordinate to the sliding door opening / closing device, the door pocket side support portion is arranged at a position capable of supporting the door tail of the sliding door when the position of the sliding door in the opening / closing direction is the fully open position. ing.

According to this configuration, the door pocket side support portion can support the door tail from vertically below when the sliding door is in the fully open position. Therefore, when the position of the sliding door is the fully open position, it is possible to suppress the vertical downward bending of the door tail of the sliding door.

[8] According to one form dependent on the sliding door opening / closing device, a state in which the sliding door is supported from at least the back surface side of the sliding door according to a door pocket capable of storing the sliding door and the position of the sliding door in the opening / closing direction. Alternatively, the sliding door is further provided with a horizontal support portion that can take a state in which the sliding door is not supported from the back surface side of the sliding door, and the horizontal support portion is provided within the movable range of the door tip of the sliding door outside the door pocket.

According to this configuration, when a force is applied to the sliding door from the front surface side to the back surface side of the sliding door, the horizontal support member supports the sliding door from the back surface side, so that the sliding door is prevented from bending toward the back surface side of the sliding door. can do.

[9] According to one form dependent on the sliding door opening / closing device, the horizontal support portion has the end of the sliding door in the thickness direction of the sliding door and the direction orthogonal to the opening / closing direction at least from the back surface side of the sliding door. It is supportable.

According to this configuration, when a force is applied to the end of the sliding door from the front side to the back side of the sliding door, the horizontal support portion supports the end of the sliding door from the back side of the sliding door, so that the sliding door is twisted. It can be suppressed.

[10] According to one form subordinate to the sliding door opening / closing device, the horizontal support portion is a through door pocket.

According to this configuration, the end of the sliding door can be supported by the through door pocket. Therefore, it is possible to prevent the sliding door from twisting when a force is applied to the end of the sliding door from the front surface side to the back surface side of the sliding door.

[11] According to one form subordinate to the sliding door opening / closing device, the sliding door support portion is provided in the through door bag.

According to this configuration, the sliding door can be supported from the back surface side of the sliding door and vertically below in the through door bag. Therefore, both the bending of the sliding door to the back surface side and the bending of the sliding door vertically downward can be suppressed.

[12] According to one form dependent on the sliding door opening / closing device, the penetrating door bag is the sliding door when the position of the sliding door in the opening / closing direction is the fully closed position within the movable range of the door tip of the sliding door. It is installed near the position of the door.

The door tip of the sliding door tends to bend vertically downward as it moves away from the door pocket in the closing direction in the opening / closing direction, and tends to bend toward the back side of the sliding door when a force is applied from the front side to the back side of the sliding door. According to this configuration, the penetrating door pocket is provided at a position where the door tip of the sliding door is separated from the door pocket in the closing direction, that is, at a position where the sliding door easily bends vertically downward due to the weight of the sliding door and at a position where the sliding door easily bends on the back side of the sliding door. .. Therefore, the through-door bag can effectively suppress the bending of the sliding door vertically downward and the sliding door toward the back surface side.

[13] According to one form dependent on the sliding door opening / closing device, the shape of the horizontal support portion is a rod shape or a plate shape extending in the thickness direction of the sliding door and the direction orthogonal to the opening / closing direction.

According to this configuration, the configuration of the horizontal support portion can be simplified. Therefore, the cost of the horizontal support portion can be reduced.

[14] According to one form dependent on the sliding door opening / closing device, when the position of the sliding door in the opening / closing direction is the fully closed position, the door end of the sliding door can be supported at least from the back surface side of the sliding door. Further supports.

According to this configuration, when the position of the sliding door in the opening / closing direction is the fully closed position, the door tip of the sliding door can be supported by the end horizontal support portion, so that the bending of the sliding door toward the back surface side can be effectively suppressed. Can be done.

According to the sliding door opening / closing device according to the present invention, the sliding door can be smoothly moved while suppressing the vertical bending of the sliding door.

In the sliding door opening / closing device of the first embodiment, (a) a plan view of the sliding door opening / closing device when the sliding door position is in the fully closed position, and (b) a front view of the sliding door opening / closing device when the sliding door position is in the fully closed position. , (C) Front view of the sliding door opening / closing device when the position of the sliding door is fully open. (A) Front view of the sliding door, (b) Enlarged view of the door side support. FIG. 1 (b) is a cross-sectional view taken along line 3-3. The front view which shows the internal structure of the closed end side door bag body in a sliding door opening and closing device. FIG. 4 is a sectional view taken along line 5-5 of FIG. (A) A front view showing the internal structure of the open end side door pocket body in the sliding door opening / closing device, and (b) a side view showing the internal structure of the open end side door pocket body. FIG. 1 (b) is a cross-sectional view taken along line 7-7. (A) A front view showing the internal structure of the end horizontal support portion, and (b) a side view showing the internal structure of the end horizontal support portion. FIG. 8 (b) is a cross-sectional view taken along the line 9-9. (A)-(d) Schematic front view showing the operation of the sliding door of the sliding door opening / closing device. The schematic front view which shows a part of the internal structure of the door pocket in a sliding door opening and closing device. In the sliding door opening / closing device of the second embodiment, (a) a plan view of the sliding door opening / closing device when the sliding door position is in the fully closed position, and (b) a front view of the sliding door opening / closing device when the sliding door position is in the fully closed position. .. (A) A front view showing the internal structure of the through door pocket, and (b) a side view showing the internal structure of the through door pocket. FIG. 13 (b) is a cross-sectional view taken along the line 14-14. Regarding the sliding door opening / closing device of the modified example, (a) a plan view of the sliding door opening / closing device when the sliding door position is in the fully closed position, and (b) a front view of the sliding door opening / closing device when the sliding door position is in the fully closed position. A side view of a horizontal support portion and a sliding door for a sliding door opening / closing device of a modified example.

(First Embodiment)
Hereinafter, the first embodiment of the sliding door opening / closing device will be described with reference to the drawings. The sliding door opening / closing device of the present embodiment is a platform door device installed on a railway platform. FIG. 1B is a front view of the sliding door opening / closing device 1 when viewed from the platform side of the platform P toward the track side.

As shown in FIG. 1 (b), the sliding door opening / closing device 1 is installed along the track-side end of the platform P, and divides the platform P into a platform side and a track side. The sliding door opening / closing device 1 includes a sliding door 10 that can be moved upward with an interval above the installation surface P1, a door pocket 20 that can store the sliding door 10, and an end horizontal support portion 30 into which the door tip of the sliding door 10 can be inserted. And.

The sliding door opening / closing device 1 opens / closes the doorway 100 by moving the doorway 10 which is a space between the door pocket 20 and the end horizontal support portion 30. That is, as shown in FIG. 1B, in the sliding door opening / closing device 1, the door tip of the sliding door 10 moves in a direction away from the door pocket 20, and the door tip of the sliding door 10 is inserted into the end horizontal support portion 30. As a result, the doorway 100 is closed, and as shown in FIG. 1C, the doorway of the sliding door 10 moves to the vicinity of the door pocket 20 to open the doorway 100. The sliding door 10 has a movable range MR between the fully closed position shown in FIG. 1 (b) and the fully open position shown in FIG. 1 (c), and the opening / closing direction of the sliding door 10 (hereinafter, “” It can be moved in the opening / closing direction ZA). In the present embodiment, as shown in FIG. 1 (c), the door tip of the sliding door 10 protrudes from the door pocket 20 when the position of the sliding door 10 in the opening / closing direction ZA is the fully open position, but in the opening / closing direction ZA. When the position of the sliding door 10 is in the fully open position, the door end of the sliding door 10 may be stored in the door pocket 20. Further, the horizontal support portion 30 at the end may be omitted from the sliding door opening / closing device 1.

As shown in FIG. 1 (b), the sliding door 10 is a substantially rectangular shape having the opening / closing direction ZA long in the front view. The sliding door 10 includes a light-transmitting portion 11 that forms a part of the surface of the sliding door 10, and a pair of crosspieces 12U, 12L that extend in the opening / closing direction ZA and are provided at both ends of the light-transmitting portion 11 to support the light-transmitting portion 11. And have. The door end of the sliding door 10 is provided with a vertical rail 13 for holding the closing end of the pair of rails 12U and 12L and the closing end of the translucent portion 11. As shown in FIG. 1A, the sliding door 10 is arranged closer to the home side with respect to the door pocket 20. The surface of the sliding door 10 includes a surface 12X which is one surface in the thickness direction of the pair of crosspieces 12U and 12L and a surface 11X which is one surface in the thickness direction of the translucent portion 11 (FIG. 3). reference). Further, the back surface of the sliding door 10 includes a back surface 12Y which is the other surface of the pair of crosspieces 12U and 12L in the thickness direction (see FIG. 3).

As shown in FIG. 1B, the door pocket 20 extends along the opening / closing direction ZA. A drive unit 40 for moving the sliding door 10 in the opening / closing direction ZA is housed in the door pocket 20. The drive unit 40 includes an electric motor 41 as a drive source, a drive rotating body 42 connected to the electric motor 41, and a driven rotating body 43 arranged at intervals with respect to the driving rotating body 42 in the opening / closing direction ZA. , A transmission member 44 wound around these rotating bodies 42 and 43 is provided. An example of the transmission member 44 is a belt, and an example of the drive rotating body 42 and the driven rotating body 43 is a pulley. Further, the transmission member 44 may be a chain, and the drive rotating body 42 and the driven rotating body 43 may be sprockets.

Each of the door pockets 20 can be inserted with a sliding door 10, and includes a plurality of door pocket bodies connected in the opening / closing direction ZA. Specifically, the door pocket bodies adjacent to each other in the opening / closing direction ZA are connected to each other by, for example, bolts (not shown). The plurality of door pocket bodies include a closed end side door pocket body 20A that stores the closed end side end portion of the drive unit 40, an open end side door pocket body 20B that stores the open end side end portion of the drive unit 40, and a closed end in the opening / closing direction ZA. The intermediate door pocket body 20C located between the side door pocket body 20A and the open end side door pocket body 20B is included. The intermediate door pocket body 20C includes four split door pocket bodies 20D, 20E, 20F, 20G connected in the opening / closing direction ZA.

As shown in FIG. 1B, the size of the opening / closing direction ZA of the closed end side door pocket body 20A is larger than the size of the opening / closing direction ZA of the opening side door pocket body 20B and the split door pocket bodies 20D to 20G. The size of the opening / closing direction ZA of the open end side door pocket body 20B is equal to the size of each opening / closing direction ZA of the split door pocket bodies 20D to 20G. The dimensions of the closed end side door pocket body 20A in the height direction ZB, the dimensions of the open end side door pocket body 20B in the height direction ZB, and the dimensions of the split door pocket bodies 20D to 20G in the height direction ZB are equal to each other. As shown in FIG. 1A, the dimensions of the closed end side door pocket body 20A in the thickness direction, the dimensions of the open end side door pocket body 20B in the thickness direction, and the dimensions of the split door pocket bodies 20D to 20G in the thickness direction are Equal to each other.

As shown in FIG. 1B, the size of the opening / closing direction ZA of the end horizontal support portion 30 is smaller than the size of the opening / closing direction ZA of the opening side door pocket body 20B and the split door pocket bodies 20D to 20G. The dimensions of the end horizontal support portion 30 in the height direction ZB are equal to the dimensions of the closed end side door pocket body 20A, the open end side door pocket body 20B, and the split door pocket bodies 20D to 20G in the height direction ZB.

A detailed configuration of the sliding door 10 will be described with reference to FIGS. 2 and 3.
As shown in FIG. 2A, the translucent portion 11 has a longitudinal direction ZA in the opening / closing direction. The light transmitting unit 11 includes a plurality of light transmitting plates 11A arranged in the opening / closing direction ZA. The light-transmitting plates 11A except for one of the plurality of light-transmitting plates 11A have the same shape, and the dimensions of the opening-opening direction ZA of the light-transmitting plate 11A on the opening side are the same as those of the other light-transmitting plates 11A. Smaller than the dimensions. The translucent plate 11A is formed by laminating a glass plate and a translucent resin plate in the thickness direction thereof. Specifically, the translucent plate 11A has a configuration in which both sides of the glass plate in the thickness direction are sandwiched by translucent resin plates. An example of a material for a translucent resin plate is polycarbonate. The material of the resin plate is not limited to polycarbonate, and may be, for example, acrylic resin.

The door tail of the sliding door 10 is provided with an end plate 14 for connecting the ends of the pair of crosspieces 12U and 12L in the opening direction. In the end plate 14, a recess 14A that is recessed in the closing direction is formed in a portion of the end plate 14 that is closer to the crosspiece 12L between the pair of crosspieces 12U and 12L. A connecting portion 50 for connecting the driving portion 40 (see FIG. 1B) and the door tail of the sliding door 10 is attached to the upper portion of the recess 14A. The connecting unit 50 transmits the driving force of the driving unit 40 to the sliding door 10. The connecting portion 50 includes a mounting portion 51 attached to the recess 14A of the end plate 14, and a connecting body 52 held by the mounting portion 51 and connected to the transmission member 44 (see FIG. 1B) of the drive unit 40. ..

Each of the pair of crosspieces 12U and 12L is provided with guide support portions 15U and 15L that guide the pair of crosspieces 12U and 12L while supporting them in the opening and closing direction ZA when the sliding door 10 moves in the opening and closing direction ZA. The guide support portions 15U and 15L have the same configuration as each other, and are so-called linear guides including a rail 15A extending in the opening / closing direction ZA and a guide member 15B slidable in the opening / closing direction ZA with respect to the rail 15A. The guide support portion 15U is located between the pair of crosspieces 12U and 12L and on the other side (orbital side) of the pair of crosspieces 12U and 12L in the thickness direction from the light transmitting portion 11, that is, the back surface 11Y side of the light transmitting plate 11A. It is arranged in (see FIG. 5). The rails 15A of the guide support portions 15U and 15L extend in parallel with the pair of crosspieces 12U and 12L. The guide member 15B is attached to the rail 15A.

The number of guide members 15B of the guide support portions 15U and 15L of the present embodiment is two. The two guide members 15B are attached to the rail 15A at intervals in the opening / closing direction ZA. The guide member 15B is supported by the rail 15A in a direction orthogonal to the opening / closing direction ZA. That is, the guide member 15B is restricted from moving with respect to the rail 15A in a direction orthogonal to the opening / closing direction ZA. The number of guide members 15B of the guide support portions 15U and 15L can be arbitrarily set. For example, the number of guide members 15B of the guide support portions 15U and 15L may be different from each other. Further, one of the guide support portions 15U and 15L may be omitted.

Further, a door side support portion 16 which is an example of a sliding door support portion capable of supporting the door tip of the sliding door 10 from vertically below according to the opening / closing position of the sliding door 10 is attached to the door tip and the lower side of the sliding door 10. The door side support portion 16 is provided on a portion of the sliding door 10 on the door tip side of the guide support portion 15L. Specifically, the door side support portion 16 is provided on the sliding door 10 on the door tip side of the rail 15A. Further, as shown in FIG. 1 (c), when the position of the sliding door 10 is the fully open position, the door side support portion 16 protrudes from the door pocket 20. Therefore, even if the sliding door 10 moves in the movable range MR, the door side support portion 16 is located in the closing direction with respect to the guide members 15B (see FIG. 2A) of the guide support portions 15U and 15L in the opening / closing direction ZA. ..

FIG. 2B shows the internal structure of the door-side support portion 16. In FIG. 2B, the front side of the cover 16C is omitted for convenience of explanation.
The door-side support portion 16 can rotate the wheel 16A by sandwiching the wheel 16A that can rotate around the rotation center axis extending in the thickness direction of the door-side support portion 16 and the wheel 16A from both sides in the thickness direction of the sliding door 10. A wheel support portion 16B that supports the wheel 16B and a cover 16C that covers the wheel 16A so as to surround the wheel 16A are provided. A pair of cushions 16D are attached to both sides of the cover 16C in the opening / closing direction ZA. The pair of cushions 16D are made of rubber, for example.

As shown in FIG. 3, the wheel support portion 16B is formed in a U shape with an opening at the bottom. The wheel support portion 16B is fixed to the lower rail 12L by, for example, a bolt (not shown). The cover 16C is attached to each of the side surfaces of the wheel support portion 16B in the thickness direction.

As shown in FIG. 3, the pair of crosspieces 12U and 12L have the same shape. The pair of crosspieces 12U and 12L are formed, for example, by extrusion molding of aluminum. An upper support piece 17U that supports the upper part of the translucent portion 11 is attached to the platform side and the lower portion of the crosspiece 12U. A lower support piece 17L that supports the light transmitting portion 11 from below is attached to the platform side and the upper portion of the crosspiece 12L. Each of the support pieces 17U and 17L extends over the entire length of the light transmitting portion 11 in the opening / closing direction ZA (see FIG. 2A). Grooves 17A into which the ends of the translucent plates 11A in the height direction ZB are inserted are formed in the support pieces 17U and 17L. The support pieces 17U and 17L are formed by, for example, bending stainless steel. The translucent plate 11A (transmissive portion 11) is slidably supported in the opening / closing direction ZA with respect to the pair of crosspieces 12U and 12L. As shown in FIG. 2A, the sliding door 10 holds the translucent portion 11 in the opening / closing direction ZA by sandwiching the translucent portion 11 in the opening / closing direction ZA by the vertical rail 13 and the pushing member (not shown). doing.

Here, a work procedure in which the operator replaces the light transmitting plate 11A will be described. First, the operator removes the vertical rail 13 from the pair of rails 12U and 12L, and slides the light transmitting plate 11A in the closing direction to remove it from the pair of rails 12U and 12L. After that, the operator attaches the replacement light-transmitting plate 11A to the pair of crosspieces 12U, 12L by sliding the replacement light-transmitting plate 11A from the closed end of the pair of crosspieces 12U, 12L in the opening direction. Finally, the operator attaches the vertical rail 13 to the rails 12U and 12L.

As shown in FIG. 3, the thickness direction dimension of the translucent portion 11 is smaller than the thickness direction dimension of the pair of crosspieces 12U and 12L. Further, the translucent portion 11 is located on one side (closer to the home side) of the pair of crosspieces 12U and 12L in the thickness direction. Specifically, the surface 11X of the translucent portion 11 (each translucent plate 11A) is substantially flush with the surface 12X of the pair of crosspieces 12U and 12L. Therefore, the sliding door 10 is formed with a space S1 surrounded by a pair of crosspieces 12U and 12L and a back surface 11Y of the translucent portion 11 (each transmissive plate 11A).

Next, the detailed internal structure of the door pocket 20 will be described with reference to FIGS. 4 to 7.
FIG. 4 shows the internal structure of the closed end side door pocket body 20A of the door pocket 20. The case 21 of the closed end side door pocket body 20A is fixed to the platform P via, for example, a bolt (not shown) via the substrate 22A and the support plate 22B. The substrate 22A is installed on the bottom wall 21A of the case 21, and the support plate 22B is installed on the substrate 22A. That is, the bottom wall 21A of the case 21 is sandwiched between the platform P and the substrate 22A. The drive side support 60, a part of the drive unit 40, the power supply panel 81, the control panel 82, the operation panel 83, and the like are housed in the case 21. The power supply panel 81 supplies electric power to electric devices such as the drive unit 40. The control panel 82 controls the operation of the drive unit 40 and the like. The operation panel 83 is a device for an operator to operate the sliding door opening / closing device 1 in maintenance of the sliding door opening / closing device 1.

As shown in FIGS. 4 and 5, the drive-side support 60 includes a first support column 61 and a second support column 62 arranged at intervals in the opening / closing direction ZA. The first support column 61 is located at the end of the closed end side door pocket body 20A in the closing direction, and the second support column 62 is located at the end of the closed end side door pocket body 20A in the opening direction. These columns 61 and 62 are fixed to the support plate 22B by, for example, bolts (not shown). Since the first support column 61 and the second support column 62 are arranged on the track side with respect to the sliding door 10, the drive unit 40 and the like can be arranged on the home side. Therefore, maintenance of the drive unit 40 and the like becomes easy.

The first support column 61 is provided with an upper support portion 63 for supporting the guide support portion 15U from below and a lower support portion 64 for supporting the guide support portion 15L from below. The upper support portion 63 is fixed to the support metal fitting 61A fixed to the upper end portion of the first support column 61 by, for example, a bolt (not shown). The upper support portion 63 has a support block 63A that supports the guide member 15B of the guide support portion 15U. The support block 63A is fixed to the guide member 15B by, for example, a bolt (not shown). The lower support portion 64 is fixed to the lower end portion of the first support column 61 by, for example, a bolt (not shown). The lower support portion 64 has a support block 64A that supports the guide member 15B of the guide support portion 15L. The support block 64A is fixed to the guide member 15B by, for example, a bolt (not shown).

As shown in FIG. 5, the support portions 63 and 64 are arranged at the same positions as the pair of crosspieces 12U and 12L on the platform side of the first support column 61 and in the thickness direction of the sliding door 10. The upper support portion 63 is located in the space S1. Therefore, the guide support portion 15U is arranged between the pair of crosspieces 12U and 12L and on the opposite side (closer to the back surface 12Y side) with respect to the light transmitting portion 11 in the thickness direction of the pair of crosspieces 12U and 12L. There is. Further, the second support column 62 is also provided with the upper support portion 63 and the lower support portion 64 in the same manner. Therefore, the drive-side support 60 supports the crosspieces 12U and 12L at two locations spaced apart from each other in the opening / closing direction ZA via the guide support portions 15U and 15L.

As shown in FIG. 4, a sliding door stopper 65 is attached to the upper part of the first support column 61. When the position of the sliding door 10 is in the fully open position, the sliding door stopper 65 regulates the movement of the sliding door 10 in the opening direction by contacting the vertical rail 13 (see FIG. 2) in the opening / closing direction ZA. A sliding door stopper 66 is attached to the upper part of the second support column 62. When the position of the sliding door 10 is the fully closed position, the sliding door stopper 66 regulates the movement of the sliding door 10 in the closing direction by contacting the end plate 14 with the opening / closing direction ZA.

The drive-side support 60 further includes a connecting column 67 that connects the first column 61 and the second column 62 in the opening / closing direction ZA. The connecting column 67 is fixed to each column 61, 62 by, for example, a bolt (not shown) at the center of the height direction ZB of each column 61, 62. The connecting columns 67 are arranged at the same positions as the columns 61 and 62 in the thickness direction of the door pocket 20. A power supply panel 81 and a control panel 82 are fixed to the upper surface of the connecting column 67 by, for example, bolts (not shown). The power supply panel 81 and the control panel 82 are arranged in the opening / closing direction ZA. The electric motor 41 of the drive unit 40 is attached to the home side surface of the connecting pillar 67. Further, a closing sensor 68 for detecting that the position of the sliding door 10 is in the fully closed position is attached to a portion of the connecting column 67 on the home side in the closing direction of the electric motor 41. The closing sensor 68 is an optical sensor, and detects that the position of the sliding door 10 is the fully closed position based on receiving the reflected light from the reflector 68A attached to the crosspiece 12L. As shown in FIG. 5, the electric motor 41, the drive rotating body 42, the transmission member 44, and the closed sensor 68 are housed in the space S1. The electric motor 41, the drive rotating body 42, the transmission member 44, and the closing sensor 68 are arranged below the upper support portion 63 in the space S1. The closing sensor 68 and the reflector 68A may be omitted from the closed end side door pocket body 20A.

6 (a) and 6 (b) show the internal structure of the open end side door pocket body 20B. The case 23 of the open end side door pocket body 20B is fixed to the platform P via the substrate 22A by, for example, a bolt (not shown). In the case 23, the end wall 23A in the closing direction is formed with a through hole 23B into which the sliding door 10 can be inserted. The driven side support 70, a part of the driving unit 40, and the like are housed in the case 23.

As shown in FIG. 6A, the driven side support 70 includes a support column 71 located at the end in the opening direction of the opening side door pocket body 20B. The support column 71 is fixed to the substrate 22A by, for example, a bolt (not shown). As shown in FIG. 6B, the support column 71 is arranged on the track side of the sliding door 10. As shown in FIG. 6A, in the support column 71, a driven support portion 72 that rotatably supports the driven rotating body 43 is provided at the same position as the recess 14A of the sliding door 10 in the height direction ZB. .. The driven support portion 72 is attached to the home side surface of the support column 71 by, for example, a bolt (not shown). Therefore, maintenance of the driven rotating body 43 of the drive unit 40 becomes easy. As shown in FIG. 6B, the driven support portion 72 is arranged at a position overlapping the sliding door 10 in the thickness direction of the sliding door 10. As shown in FIG. 6A, the closing end of the driven support portion 72 is located in the recess 14A of the sliding door 10 when the sliding door 10 is in the fully open position.

Sliding door stoppers 73 are attached to each of the upper end of the support column 71 and the portion of the support column 71 below the driven support portion 72. The sliding door stopper 73 regulates the movement of the sliding door 10 in the opening direction by contacting the end plate 14 in the opening / closing direction ZA when the position of the sliding door 10 in the opening / closing direction ZA is in the fully open position.

Further, the position of the door pocket body 20B on the opening end side closer to the opening direction and closer to the closing direction than the driven side support 70 is an example of the sliding door support portion, and the sliding door 10 is in the fully open position when the position of the sliding door 10 in the opening / closing direction ZA is the fully open position. A door pocket side support portion 24 capable of supporting the door tail of the door from vertically below is provided. The door pocket side support portion 24 is fixed to the support plate 25 located in the closing direction of the support column 71 in the open end side door pocket body 20B. The door pocket side support portion 24 has a wheel 24A that can rotate about a rotation center axis extending in the thickness direction of the door pocket side support portion 24, and a wheel support portion 24B that rotatably supports the wheel 24A. The wheel support portion 24B is a pair of plates located on both sides of the wheel 24A in the thickness direction of the sliding door 10, and is attached to the support plate 25. The upper end of the wheel 24A is located in the through hole 23B of the case 23 in the height direction ZB. Therefore, as shown in FIG. 6B, when the sliding door 10 is located on the door pocket side support portion 24, the door pocket side support portion 24 supports the center of the sliding door 10 in the thickness direction. Specifically, the door pocket side support portion 24 supports the sliding door 10 from vertically below by the wheels 24A coming into contact with the rail 15A of the guide support portion 15L.

FIG. 7 shows the internal structure of the split door pocket body 20E of the intermediate door pocket body 20C. In the intermediate door pocket body 20C, the split door pocket bodies 20D, 20F, 20G (see FIG. 1) have the same configuration as the split door pocket body 20E of FIG. The case 26 of the split door pocket body 20E is fixed to the platform P by, for example, a bolt (not shown). Through holes 26B that penetrate in the opening / closing direction ZA are formed in each of the end walls 26A in the opening / closing direction ZA in the case 26. The sliding door 10 moves in the intermediate door pocket body 20C through the through hole 26B.

On the platform side in the case 26, a support plate 27 is fixed to the platform P by, for example, bolts (not shown). An example of a sliding door support portion is provided on the support plate 27, and a door pocket side support portion 28 capable of supporting the sliding door 10 from vertically below is provided. The door pocket side support portion 28 has the same structure as the door pocket side support portion 24, and has wheels 28A and wheel support portions 28B. The upper end of the wheel 28A is located in the through hole 26B in the height direction ZB. The door pocket side support portion 28 is located at the center of the split door pocket body 20E in the opening / closing direction ZA. As shown in FIG. 7, the door pocket side support portion 28 supports the center of the sliding door 10 in the thickness direction. Specifically, the door pocket side support portion 28 supports the sliding door 10 from vertically below by contacting the wheel 28A with the lower surface of the rail 15A of the guide support portion 15L. The split door pocket body 20D has the same configuration as the split door pocket body 20E except that it does not have the door pocket side support portion 28.

As described above, one door pocket side support portion 24 and three door pocket side support portions 28 are provided in the door pocket 20 (see FIG. 1). The door pocket side support portions 24 and 28 are arranged at intervals in the opening / closing direction ZA. The positions of the door pocket side support portions 24 and 28 in the opening / closing direction ZA can be arbitrarily changed. Further, as shown in FIG. 11, the height of the door pocket side support portion 28 decreases in order toward the opening direction, and the height of the door pocket side support portion 24 is the highest among the door pocket side support portions 28. It is lower than the lower door pocket side support 28.

The detailed internal structure of the end horizontal support portion 30 will be described with reference to FIGS. 8 and 9.
As shown in FIGS. 8A and 8B, the case 31 of the end horizontal support portion 30 is fixed to the platform P via the substrate 32, for example, by bolts (not shown). An opening 33A as shown by the alternate long and short dash line in FIG. 8B is formed on the end wall 33 in the opening direction of the case 31. A door stop 34, a pair of upper horizontal support portions 35U, and a pair of lower horizontal support portions 35L are housed in the case 31.

As shown in FIG. 9, the door stop 34 is provided on the end wall 36 in the closing direction of the case 31. The door stop 34 restricts the movement of the sliding door 10 in the closing direction by contacting the door end of the sliding door 10 in the opening / closing direction ZA. In FIG. 9, for convenience, the crosspiece 12U is shown as a plan view.

As shown in FIG. 8B, the pair of upper horizontal support portions 35U are located on both sides of the upper crosspiece 12U in the thickness direction of the sliding door 10, and the pair of lower horizontal support portions 35L are the thickness of the sliding door 10. It is located on both sides of the lower crosspiece 12L in the direction. As shown in FIG. 9, when the door tip of the sliding door 10 is inserted into the end horizontal support portion 30, there is a slight gap between the surface 12X of the crosspiece 12U and the upper horizontal support portion 35U in the thickness direction of the sliding door 10. Is formed, and a slight gap is formed between the back surface 12Y of the crosspiece 12U and the upper horizontal support portion 35U in the thickness direction of the sliding door 10. The relationship between the crosspiece 12L and the lower horizontal support portion 35L is the same as the relationship between the crosspiece 12U and the upper horizontal support portion 35U. Therefore, when the door tip of the sliding door 10 bends toward the platform side or the track side, the pair of upper horizontal support portions 35U come into contact with the crosspiece 12U, so that the pair of upper horizontal support portions 35U make the crosspiece 12U on the home side and the track side. Can be supported from. Further, when the door tip of the sliding door 10 bends to the home side or the track side, the pair of lower horizontal support portions 35L come into contact with the crosspiece 12L, so that the pair of lower horizontal support portions 35L make the crosspiece 12L the home side and the track side. Can be supported from.

With reference to FIGS. 10 and 11, the operation of the sliding door opening / closing device 1 and the support states of the door side support portions 16 and the door pocket side support portions 24 and 28 will be described together with their effects.
As shown in FIG. 10A, when the position of the sliding door 10 is in the fully open position, the door tip of the sliding door 10 is located near the guide member 15B of the guide support portions 15U and 15L. Therefore, the door end of the sliding door 10 is unlikely to bend vertically downward due to the weight of the sliding door 10. At this time, the wheels 16A of the door-side support portion 16 are located at intervals above the installation surface P1 of the platform P. Therefore, the door side support portion 16 is in a state of not supporting the sliding door 10 from vertically below.

On the other hand, when the position of the sliding door 10 is the fully open position, the door tail of the sliding door 10 housed in the door pocket 20 is located far from the guide member 15B of the guide support portions 15U and 15L. Therefore, the door tail of the sliding door 10 tends to bend vertically downward due to the weight of the sliding door 10. In that respect, in the sliding door opening / closing device 1, when the position of the sliding door 10 is in the fully open position, the sliding door 10 is located on the door pocket side support portion 24 and each door pocket side support portion 28 provided in the door pocket 20. That is, when the position of the sliding door 10 is in the fully open position, the door pocket side support portion 24 and each door pocket side support portion 28 are in a state of supporting the sliding door 10 from vertically below. Therefore, it is possible to prevent the sliding door 10 housed in the door pocket 20 from bending vertically downward due to its own weight.

Then, as shown in FIG. 10B, when the sliding door 10 moves in the closing direction, the door tip of the sliding door 10 is separated from the guide member 15B, so that the amount of vertical downward bending due to the weight of the sliding door 10 is large. Become. Therefore, although the door-side support portion 16 approaches the installation surface P1, the wheels 16A are not in contact with the installation surface P1. Therefore, the door-side support portion 16 is maintained in a state in which the sliding door 10 is not supported vertically below.

On the other hand, the sliding door 10 housed in the door pocket 20 is located on the two door pocket side support portions 28 on the closing direction side, while it is located on the door pocket side support portion 24 and the door pocket side support portion 28 located in the most open direction. Not. Therefore, the two door pocket side support portions 28 on the closing direction maintain the state of supporting the sliding door 10 from vertically below, while the door pocket side support portion 24 and the door pocket side support portion 28 located in the most open direction are sliding doors. 10 is changed to a state in which it is not supported from vertically below. In this way, since the door pocket side support portion 28 supports the sliding door 10 housed in the door pocket 20 from vertically below at the position where the sliding door 10 is located, the sliding door 10 housed in the door pocket 20 bends vertically downward due to its own weight. It can be suppressed.

Then, as shown in FIG. 10 (c), when the sliding door 10 is further moved in the closing direction, the door tip of the sliding door 10 is further separated from the guide member 15B, so that the amount of bending vertically downward due to the weight of the sliding door 10 is increased. Will be more. At this time, the wheels 16A of the door-side support portion 16 come into contact with the installation surface P1. That is, the door side support portion 16 is changed to a state in which the sliding door 10 is supported from vertically below. Therefore, it is possible to prevent the tip of the sliding door 10 from bending vertically downward due to its own weight.

On the other hand, the sliding door 10 is not located on the door pocket side support portion 24 and each door pocket side support portion 28. Therefore, the two door pocket side support portions 28 in the closing direction are changed to a state in which the sliding door 10 is not supported vertically below, and the door pocket side support portion 24 and the door pocket side support portion 28 located in the most open direction support the sliding door 10. The state of not supporting from vertically below is maintained. The door tail of the sliding door 10 housed in the door pocket 20 is located near the guide member 15B. Therefore, even if the door pocket side support portions 24 and 28 do not support the sliding door 10 stored in the door pocket 20 from vertically below, the sliding door 10 housed in the door pocket 20 is in a state of being less likely to bend vertically downward.

Then, as shown in FIG. 10D, when the position of the sliding door 10 is in the fully closed position, the door tip of the sliding door 10 is inserted into the end horizontal support portion 30. At this time, the sliding door 10 can be supported in the thickness direction of the sliding door 10 by the upper horizontal support portion 35U and the lower horizontal support portion 35L of the end horizontal support portion 30. The door side support portion 16 is maintained in a state of supporting the sliding door 10 from vertically below, and the door pocket side support portion 24 and each door pocket side support portion 28 are maintained in a state of not supporting the sliding door 10 from vertically below. To

As described above, the door side support portion 16 may take a state of supporting the sliding door 10 from vertically below or not supporting the sliding door 10 from vertically below, depending on the position of the sliding door 10 in the opening / closing direction ZA. Further, the door pocket side support portion 24 and each door pocket side support portion 28 support the sliding door 10 from vertically below, or do not support the sliding door 10 from vertically below, depending on the position of the sliding door 10 in the opening / closing direction ZA. Can take a state. Therefore, it is possible to prevent the sliding door 10 from bending vertically downward due to its own weight, and the sliding door is compared with a configuration in which the door side support portion 16 and the door pocket side support portions 24 and 28 are always in contact with the sliding door 10. The movement of 10 in the opening / closing direction ZA becomes smooth.

In particular, assuming that the door side support portion 16 supports the sliding door 10 from vertically below near the guide support portions 15U and 15L, for example, there is an obstacle such as a pebble on the installation surface P1 near the door pocket 20, and the door side. When the support portion 16 rides on the obstacle, the sliding door 10 tries to move upward, and an excessive force is applied to the guide support portions 15U and 15L. As a result, the rail 15A may become immovable with respect to the guide member 15B, and the sliding door 10 may not move in the opening / closing direction ZA.
Further, assuming that the door side support portion 16 is always in contact with the installation surface P1 of the platform P, a rail supporting the wheels 16A of the door side support portion 16 (not shown) in order to smoothly move the sliding door 10 in the opening / closing direction ZA. ) Is preferably provided. However, since the installation surface P1 is uneven, in order to install the rail, it is necessary to construct the installation surface P1 so that it is horizontal without unevenness. In particular, the installation surface P1 on which the rail is installed needs to have high horizontal accuracy so that a gap between the rail and the installation surface P1 does not occur, which takes time for construction.

In view of these points, in the sliding door opening / closing device 1 of the present embodiment, as shown in FIG. 10 (c), the door side support portion 16 moves the sliding door 10 from vertically below at a position far from the guide support portions 15U and 15L. In order to support, even if the door side support portion 16 rides on an obstacle on the installation surface P1, it is suppressed that an excessive force is applied to the guide support portions 15U and 15L. Therefore, the sliding door 10 can smoothly move in the opening / closing direction ZA. Further, since the door-side support portion 16 is not always in contact with the installation surface P1, it is not necessary to install the rail on the installation surface P1. Therefore, it is possible to suppress the time required for the construction for installing the sliding door opening / closing device 1.

By the way, since the sliding door 10 housed in the door pocket 20 cannot be visually recognized from the outside of the door pocket 20, it is possible to avoid deteriorating the aesthetic appearance of the sliding door 10 even if it bends vertically downward. Further, as the sliding door 10 moves in the opening direction, the door tail of the sliding door 10 housed in the door pocket 20 tends to bend vertically downward due to the weight of the sliding door 10. Therefore, the sliding door 10 housed in the door pocket 20 bends vertically downward as it moves in the opening direction. Therefore, assuming that the sliding door 10 housed in the door pocket 20 is not supported from vertically below by the door pocket side support portion 28, the sliding door 10 housed in the door pocket 20 is excessively bent downward vertically. As a result, when the sliding door 10 is opened, the door tail of the sliding door 10 may collide with the end wall 26A of the intermediate door pocket body 20C and the end wall 23A of the open end side door pocket body 20B (both see FIG. 11).

On the other hand, in a configuration in which the sliding door 10 is supported vertically by the door pocket side support portions 24 and 28, it is assumed that the heights of the three door pocket side support portions 28 and the door pocket side support portion 24 from the installation surface P1 are all constant. The lower end of the door tail of the sliding door 10 may be located below the upper end surfaces of the wheels 28A and 24A of the door pocket side support portion 28 and the door pocket side support portion 24 on the opening direction side. In this case, the door tail of the sliding door 10 may collide with the wheels 28A and 24A in the opening / closing direction ZA, and an impact may be applied to the sliding door 10 and the sliding door 10 may not move smoothly in the opening direction.

Therefore, in the sliding door opening / closing device 1 of the present embodiment, as shown in FIG. 11, the heights of the three door pocket side support portions 28 and the door pocket side support portion 24 from the installation surface P1 decrease toward the opening direction. ing. Therefore, when the sliding door 10 moves in the opening direction, it comes into contact with the upper ends of the wheels 28A and 24A, so that it is unlikely to collide with the wheels 28A and 24A in the opening and closing direction ZA. Therefore, the impact on the sliding door 10 is suppressed, and the sliding door 10 can move smoothly in the opening direction.

Further, as the sliding door 10 moves toward the opening direction, the amount of bending of the sliding door 10 housed in the door pocket 20 in the vertical downward direction gradually increases, but the sliding door 10 is moved from the vertical lower side by the support portions 24 and 28 on the door pocket side. Since it is supported, the sliding door 10 housed in the door pocket 20 is prevented from being excessively bent vertically downward. Therefore, it is possible to prevent the door tail of the sliding door 10 from colliding with the end wall 26A of the intermediate door pocket body 20C and the end wall 23A of the open end side door pocket body 20B.

According to the sliding door opening / closing device 1 of the present embodiment, the following effects can be obtained in addition to the above-mentioned effects.
(1) By connecting the drive unit 40 provided in the door pocket 20 to the door tail of the sliding door 10, the drive unit 40 is provided only in a part of the opening / closing direction ZA of the sliding door 10. Therefore, the translucent portion 11 can be supported by a pair of crosspieces 12U and 12L provided at both ends of the ZB in the height direction. Therefore, the area of the translucent portion 11 can be made larger than that of the sliding door 10 as compared with the configuration assuming that the drive unit 40 is arranged at the center of the sliding door 10 in the height direction. Therefore, the aesthetic appearance of the sliding door 10 is improved.

(2) Since the light transmitting plate 11A is arranged on the surface 12X side of the crosspieces 12U and 12L, the step between the surface 11X of the light transmitting plate 11A and the surface 12X of the crosspieces 12U and 12L becomes small. Therefore, the aesthetic appearance of the sliding door 10 is improved.

(3) Since the thickness direction dimension of the light transmitting plate 11A is smaller than the thickness direction dimension of the crosspieces 12U and 12L and the light transmitting plate 11A is arranged on the surface 12X side of the crosspieces 12U and 12L, the light transmitting plate A space S1 surrounded by the back surface 11Y of 11A and the back surface 12Y of the crosspieces 12U and 12L is formed. A guide support portion 15U is arranged in this space S1. Therefore, the space S1 can be effectively utilized. Further, the dimensions in the thickness direction of the crosspieces 12U and 12L and the dimensions in the thickness direction of the door pocket 20 are reduced as compared with the configuration assuming that the light transmitting plate 11A is arranged on the back surface 12Y side of the crosspieces 12U and 12L. be able to.

(4) The door end of the sliding door 10 is provided with a door-side support portion 16 capable of supporting the sliding door 10 from vertically below. Further, the door pocket 20 is provided with door pocket side support portions 24, 28 capable of supporting the sliding door 10 from vertically below. Therefore, in order to reduce the amount of bending of the sliding door 10 vertically downward, it is possible to suppress the enlargement of the crosspieces 12U and 12L. Therefore, since the dimensions of the crosspieces 12U and 12L in the height direction ZB can be reduced, the area of the translucent portion 11 can be increased. Further, since the dimensions of the crosspieces 12U and 12L in the thickness direction can be reduced, the dimensions of the sliding door 10 in the thickness direction can be reduced.

(5) Since the rails 15A of the guide support portions 15U and 15L are provided on the sliding door 10, the door pocket 20 is used as a plurality of door pocket bodies, the closed end side door pocket body 20A and the open end side door pocket body 20B, regardless of the length of the rail 15A. , And the intermediate door pocket body 20C can be divided. In addition, since the rails 15A are provided on the rails 12U and 12L, the area of the translucent portion 11 is increased as compared with the configuration assuming that the rails 15A are provided between the rails 12U and 12L in the height direction ZB. be able to.

(6) The translucent portion 11 is configured by arranging a plurality of translucent plates 11A in the opening / closing direction ZA. Therefore, it is easier to manufacture the light transmitting portion 11 as compared with the case where the light transmitting portion 11 is manufactured as a single light transmitting plate. In addition, when one of the translucent portions 11 is damaged, the damaged translucent plate 11A may be replaced without replacing the entire transmissive portion 11. Good. Therefore, the replacement cost of the translucent portion 11 can be reduced.

(7) When a sliding door opening / closing device is installed on the platform P, if the door pocket is long in the opening / closing direction, it becomes difficult to carry the door pocket and when the door pocket is installed on the platform P, the platform P is operated by a large construction machine. It is necessary to hang the door pocket from the outside and carry it to the installation site. In this way, the work of installing the door pocket on the platform P takes time and cost. In addition, the door pocket may be deformed by the hanging tool.
In that respect, in the sliding door opening / closing device 1 of the present embodiment, the door pocket 20 is composed of a plurality of door pocket bodies such as the closed end side door pocket body 20A, the open end side door pocket body 20B, and the intermediate door pocket body 20C. Can be disassembled and carried. Therefore, the door pocket 20 can be easily carried, and when the door pockets 20 are installed on the platform P, the door pocket bodies 20A to 20C can be directly carried to the installation location of the platform P by a trolley. Therefore, since the door pocket 20 can be carried to the installation location without using a construction machine, the time and cost required for the work of installing the door pocket 20 on the platform P can be suppressed.
In addition, since the intermediate door pocket body 20C is divided into a plurality of split door pocket bodies 20D to 20G, the intermediate door pocket body 20C can be disassembled and carried, and carried to the installation location of the platform P by a trolley. Can be done. Therefore, the time and cost required for the work of installing the door pocket 20 on the platform P can be further suppressed.

(8) The drive unit 40 includes a drive rotating body 42, a driven rotating body 43, and a transmission member 44, and is arranged on the home side with respect to the driving side support 60 and the driven side support 70 in the door pocket 20. .. As a result, the operator can perform the installation work and maintenance of the drive unit 40 from the home side of the door pocket 20. Further, as compared with the configuration in which the toothed belt that meshes with the toothed pulley connected to the electric motor is provided in the sliding door, the work of attaching the toothed belt to the entire sliding door 10 is omitted, so that the drive unit 40 can be assembled. It will be easy.

(9) Since the translucent plate 11A of the translucent portion 11 is configured to sandwich the glass plate between the translucent resin plates, it is assumed that the translucent plate 11A is composed of a glass plate having the same thickness as the translucent plate 11A. The weight of the translucent portion 11 can be reduced as compared with the above configuration. Therefore, the weight of the sliding door 10 can be reduced.

(10) The door pocket side support portions 24 and 28 can support the rail 15A of the guide support portion 15L. Therefore, the door pocket side support portions 24 and 28 support the rail 15A having high flatness accuracy, so that the sliding door 10 is in the opening / closing direction ZA in a state where at least one of the door pocket side support portions 24 and 28 supports the rail 15A. It can move smoothly.

(11) The door side support portion 16 has wheels 16A, and the door pocket side support portions 24 and 28 have wheels 24A and 28A. Therefore, when the wheel 16A comes into contact with the installation surface P1, rolling friction occurs between the sliding door 10 and the platform P. Further, when the wheels 24A and 28A come into contact with the sliding door 10, rolling friction occurs between the wheels 24A and 28A and the sliding door 10. Therefore, as compared with the case where the sliding door 10 and the installation surface P1 have sliding friction, and the case where the door pocket side support portions 24, 28 and the sliding door 10 have sliding friction, the door side support portion 16 and the door pocket side support portion The frictional force of the sliding door 10 in the state where the sliding door 10 is supported by 24 and 28 is reduced. Therefore, the sliding door 10 can move smoothly.

(12) The door pocket 20 is provided with a plurality of door pocket side support portions 24, 28. Therefore, when the sliding door 10 is housed in the door pocket 20, the sliding door 10 can be supported from vertically below by the plurality of door pocket side support portions 28 or the plurality of door pocket side support portions 24, 28. Therefore, it is possible to further suppress the vertical bending of the sliding door 10 housed in the door pocket 20.

(13) It has a door pocket side support portion 24 capable of supporting the door tail from vertically below when the position of the sliding door 10 is in the fully open position. Therefore, when the position of the sliding door 10 is the fully open position, it is possible to prevent the door tail of the sliding door 10 from bending vertically downward due to the weight of the sliding door 10.

(14) Assuming that the groove 17A for supporting the translucent portion 11 is provided by extrusion molding of aluminum of the crosspieces 12U and 12L, the portion on the surface side of the groove 17A for molding and to secure the strength of the groove 17A. The dimension in the thickness direction of is increased. Therefore, the step between the surface 12X of the crosspieces 12U and 12L and the surface 11X of the translucent portion 11 becomes large, and the aesthetic appearance of the sliding door 10 may be deteriorated.
In that respect, the upper support piece 17U and the lower support piece 17L formed by bending stainless steel are attached to the crosspieces 12U and 12L of the present embodiment. Since stainless steel has high strength, it has high strength even if it is thin. Therefore, by providing the support pieces 17U and 17L with stainless steel, the step between the support pieces 17U and 17L and the translucent portion 11 becomes small. Therefore, the deterioration of the aesthetic appearance of the sliding door 10 can be suppressed.

(15) Since the pair of crosspieces 12U and 12L have the same shape, the pair of crosspieces 12U and 12L can be manufactured by the same mold. Therefore, the manufacturing cost of the pair of crosspieces 12U and 12L can be reduced.

(16) Since the light transmitting plate 11A is slidable with respect to the pair of crosspieces 12U and 12L in the opening / closing direction ZA, it can be easily removed from the pair of crosspieces 12U and 12L when the light transmitting plate 11A is replaced. it can.

(17) The end plate 14 of the sliding door 10 is provided with a recess 14A. When the position of the sliding door 10 is the fully open position, the closed end portion of the driven support portion 72 that supports the driven rotating body 43 is located in the recess 14A. Therefore, the size of the opening / closing direction ZA of the opening side door pocket body 20B is reduced as compared with the configuration assuming that the driven support portion 72 is located in the opening direction with respect to the end plate 14 when the position of the sliding door 10 is the fully open position. be able to.

(18) The drive unit 40, the closing sensor 68, and the support metal fitting 61A can be accommodated in the space S1 surrounded by the pair of crosspieces 12U and 12L and the back surface 11Y of the translucent unit 11 in the sliding door 10. Therefore, the thickness of the door pocket 20 can be reduced as compared with the configuration assuming that the drive unit 40, the closing sensor 68, and the support metal fitting 61A are arranged on the track side of the sliding door 10. ..

(Second Embodiment)
The configuration of the sliding door opening / closing device 1 of the second embodiment will be described with reference to FIGS. 12 to 14. In the case where the sliding door opening / closing device 1 of the second embodiment has a common reference numeral with the configuration of the sliding door opening / closing device 1 of the first embodiment, a common reference numeral is used and a part or all of the description thereof is omitted. There is.

As shown in FIGS. 12A and 12B, the sliding door opening / closing device 1 of the present embodiment is provided with a through door bag 90, which is an example of the horizontal support portion, in place of the end horizontal support portion 30. , And the door side support portion 16 is omitted from the sliding door 10, which is different from the sliding door opening / closing device 1 of the first embodiment.

As shown in FIG. 12B, when the sliding door 10 can penetrate the through door bag 90 and the position of the sliding door 10 in the opening / closing direction ZA is in the fully closed position within the movable range MR of the door tip of the sliding door 10. It is provided near the position of the door tip of the sliding door 10 in the above. The dimension of the penetrating door pocket 90 in the height direction ZB is equal to the dimension of the door pocket 20 in the height direction ZB.

As shown in FIG. 13A, the case 91 of the through door pocket 90 is fixed to the platform P via the substrate 22A by, for example, a bolt (not shown). Through holes 92A penetrating in the opening / closing direction ZA are formed in each of the end walls 92 of the case 91 in the opening / closing direction ZA. As shown in FIG. 13B, the sliding door 10 can be inserted into the through hole 92A. As a result, the sliding door 10 can be moved through the penetrating door bag 90.

As shown in FIGS. 13A and 13B, the upper support portion 93, the lower support portion 94, and the door pocket side support portion 95, which is an example of the sliding door support portion, are housed in the case 91. There is. The upper support portion 93 is provided on the upper portion of the through door pocket 90. In particular, the upper support portion 93 is provided on both sides of the crosspiece 12U at the same position as the crosspiece 12U of the sliding door 10 in the height direction ZB and in the thickness direction of the through door bag 90. Therefore, the upper support portion 93 can be supported from the front surface 12X side and the back surface 12Y side of the crosspiece 12U. The lower support portion 94 is provided at the lower part of the through door pocket 90. In particular, the lower support portion 94 is provided on both sides of the crosspiece 12L at the same position as the crosspiece 12L of the sliding door 10 in the height direction ZB and in the thickness direction of the through door bag 90. Therefore, the lower support portion 94 can be supported from the front surface 12X side and the back surface 12Y side of the crosspiece 12L.

As shown in FIG. 13A, the door pocket side support portion 95 is located at the center of the through door pocket 90 in the opening / closing direction ZA. The door pocket side support portion 95 has a wheel 95A and a wheel support portion 95B. The upper end of the wheel 95A is located in the through hole 92A in the height direction ZB. The wheel support portion 95B is fixed to the support plate 98. The door pocket side support portion 95 is in a state of vertically supporting the sliding door 10 when the sliding door 10 is located on the door pocket side support portion 95, and vertically supports the sliding door 10 when the sliding door 10 is not located on the door pocket side support portion 95. It will not be supported from below.

As shown in FIG. 13B, the door pocket side support portion 95 is arranged so that the wheel 95A can come into contact with the lower surface of the rail 15A of the guide support portion 15L. Therefore, the door pocket side support portion 95 can support the guide support portion 15L from vertically below.

FIG. 14 shows the configuration of the upper support portion 93. In FIG. 14, for convenience, the crosspiece 12U is shown in a plan view. Further, since the configuration of the lower support portion 94 is the same as the configuration of the upper support portion 93, the description thereof will be omitted.
The upper support portion 93 includes a front side support 96 capable of supporting the crosspiece 12U of the sliding door 10 from the front surface 12X side, and a back side support 97 capable of supporting the crosspiece 12U from the back surface 12Y side. The front support 96 is fixed to the end wall 92 on the front wall 91X side of the case 91, and the back support 97 is fixed to the end wall 92 on the back wall 91Y side of the case 91.

The front support 96 includes a pair of support rollers 96A, a roller support 96B that rotatably supports each support roller 96A, and a mounting plate 96C to which the roller support 96B is fixed. The pair of support rollers 96A are arranged in the opening / closing direction ZA, and are arranged so that the direction along the height direction ZB is the rotation center axis. The roller support portion 96B is a pair of quadrangular plates arranged on both sides of each support roller 96A in the height direction ZB. The support roller 96A is rotatably attached to a shaft provided between these plates. The mounting plate 96C accommodates a pair of support rollers 96A and two roller support portions 96B in the opening / closing direction ZA. The mounting plate 96C is arranged at a distance from the front wall 91X and is in contact with the inner surfaces of both end walls 92, and is attached to the case 91 by, for example, bolts (not shown).

The back side support 97 has the same configuration as the front side support 96, and has a pair of support rollers 97A, a roller support portion 97B that rotatably supports each support roller 97A, and a mounting plate to which the roller support portion 97B is fixed. Includes 97C.

When the sliding door 10 is inserted into the through door bag 90, the through door bag 90 has a back surface side of the sliding door 10 (back surface 12Y side of the crosspiece 12U, 12L) and a front surface side of the sliding door 10 (crosspiece 12U, 12L) by the support portions 93, 94. It will be in a state of being supported from the surface 12X side). On the other hand, when the sliding door 10 is not inserted into the through door bag 90, the back surface side of the sliding door 10 (back surface 12Y side of the crosspiece 12U, 12L) and the front surface side of the sliding door 10 (front surface of the crosspiece 12U, 12L) by the support portions 93, 94 It will not be supported from the 12X side). As described above, the penetrating door bag 90 may be supported from the back surface side of the sliding door 10 or may not be supported from the back surface side of the sliding door 10.

Next, the supporting state of the sliding door 10 in the penetrating door bag 90 will be described.
When the sliding door 10 is inserted into the through door pocket 90, the sliding door 10 is located on the door pocket side support portion 95. As a result, the wheels 95A of the door pocket side support portion 95 come into contact with the rail 15A of the guide support portion 15L of the sliding door 10. Therefore, the door pocket side support portion 95 is in a state of supporting the sliding door 10 from vertically below. As a result, the amount of vertical downward bending due to the weight of the sliding door 10 can be reduced.

Further, when the sliding door 10 is inserted into the through door bag 90, the upper support portion 93 and the lower support portion 94 support the ends of the sliding door 10 in the height direction ZB, that is, the crosspieces 12U and 12L of the sliding door 10. As shown in FIG. 13B, in the upper support portion 93, the front side support 96 supports the front surface 12X side of the crosspiece 12U, and the back side support 97 supports the back surface 12Y side of the crosspiece 12U. Further, in the lower support portion 94, the front side support 96 supports the front surface 12X side of the crosspiece 12L, and the back side support 97 supports the back surface 12Y side of the crosspiece 12L. Therefore, bending of the sliding door 10 in the thickness direction of the sliding door 10 is suppressed.

According to the sliding door opening / closing device 1 of the present embodiment, the following effects can be obtained in addition to the effects according to the sliding door opening / closing device 1 of the first embodiment.
(19) The upper support portion 93 of the through door bag 90 supports the crosspiece 12U which is the upper end portion of the sliding door 10 from the thickness direction of the sliding door 10, and the lower support portion 94 supports the crosspiece 12L which is the lower end portion of the sliding door 10 to the sliding door 10. Support from the thickness direction of. Therefore, when a force is applied from the front surface 12X side (home side) to the back surface 12Y side (track side) at the upper end or lower end of the sliding door 10, the upper support portion 93 and the lower support portion 94 are moved to the sliding door 10. It is possible to prevent the sliding door 10 from twisting in order to support.

(20) The door tip of the sliding door 10 tends to bend vertically downward as it moves away from the door pocket 20 (guide support portions 15U, 15L) in the closing direction of the opening / closing direction ZA, and a force is applied from the front surface side to the back surface side of the sliding door 10. Is easily deformed to the back side of the sliding door 10 when
In that respect, the through door bag 90 of the present embodiment is provided near the position of the door tip at the fully closed position of the sliding door 10 in the movable range MR of the sliding door 10. That is, the penetrating door bag 90 is provided at a position where the sliding door 10 easily bends vertically downward due to the weight of the sliding door 10 and at a position where the sliding door 10 easily bends on the back surface side (track side). Therefore, the through door bag 90 can effectively suppress the bending of the sliding door 10 vertically downward and the sliding door 10 toward the back surface side (track side).

(21) The upper support portion 93 and the lower support portion 94 include a back side support 97 that supports the sliding door 10 from the back surface side (track side) and a front side support 96 that supports the sliding door 10 from the front surface side (home side). To be equipped. As a result, it is possible to suppress bending of the sliding door 10 to both sides in the thickness direction.

(Modification example)
The description of each of the above embodiments is an example of possible modes of the sliding door switchgear according to the present invention, and is not intended to limit the modes. The sliding door opening / closing device according to the present invention may take, for example, a modification of each embodiment shown below and a combination of at least two modifications that do not contradict each other.

(Modification example 1)
In the first embodiment, the configuration of the end horizontal support portion 30 may be changed as follows (a) to (d). Further, (a) to (d) may be combined with each other.
(A) At least one of the upper horizontal support portion 35U and the lower horizontal support portion 35L is omitted.
(B) At least one of the upper horizontal support portion 35U that supports the back surface 12Y of the crosspiece 12U and the upper horizontal support portion 35U that supports the front surface 12X of the crosspiece 12U is omitted.
(C) At least one of the lower horizontal support portion 35L that supports the back surface 12Y of the crosspiece 12L and the lower horizontal support portion 35L that supports the front surface 12X of the crosspiece 12L is omitted.
(D) The end horizontal support portion 30 is composed of a plate-shaped or rod-shaped horizontal support portion located on the back surface side of the sliding door 10. The horizontal support portion preferably has a height capable of supporting the crosspiece 12U in the thickness direction of the sliding door 10. The horizontal support portion can support the crosspiece 12L in the thickness direction of the sliding door 10, and may have a height at which the crosspiece 12U cannot be supported.

(Modification 2)
In the second embodiment, the configuration of the through door bag 90 may be changed as follows (a) to (e). Further, (a) to (e) may be combined with each other.
(A) In at least one of the upper support portion 93 and the lower support portion 94, one of the front side support 96 and the back side support 97 is omitted.
(B) One of the upper support portion 93 and the lower support portion 94 is omitted.
(C) The number of support rollers 96A, 97A of the front side support 96 and the back side support 97 is one or three or more.
(D) The penetrating door pocket 90 has a plurality of door pocket side support portions 95.
(E) The door pocket side support portion 95 is omitted from the through door pocket 90.

(Modification 3)
In the first or second embodiment, the sliding door opening / closing device 1 is arranged on the back surface side (track side) of the sliding door 10 instead of the through door bag 90, and the sliding door 10 can be supported from the back surface side (track side). A horizontal support may be provided. For example, as shown in FIG. 15A, the sliding door opening / closing device 1 includes a horizontal support portion 110 arranged on the back surface side (track side) of the sliding door 10. The horizontal support portion 110 is provided in the movable range MR of the door tip of the sliding door 10 near the position of the door tip of the sliding door 10 when the position of the sliding door 10 in the opening / closing direction ZA is the fully closed position. As shown in FIG. 15B, the shape of the horizontal support portion 110 is a plate shape or a rod shape extending in the height direction ZB. Preferably, the horizontal support portion 110 has a height capable of supporting the back surface 12Y (see FIG. 15A) of the crosspiece 12U of the sliding door 10. The horizontal support portion 110 may take a state in which the sliding door 10 is supported from the back surface side (track side) or a state in which the sliding door 10 is not supported from the back surface side (track side) depending on the position of the sliding door 10 in the opening / closing direction ZA. ..
At the same position as the horizontal support portion 110 in the opening / closing direction ZA, depending on the position of the sliding door 10 in the opening / closing direction ZA, the sliding door 10 may be supported from below vertically, or the sliding door 10 may not be supported from below vertically. A sliding door support portion 120 is provided. The sliding door support portion 120 is installed on the platform P. The sliding door support portion 120 has a wheel 121 that can rotate around a rotation center axis that extends in the thickness direction of the sliding door 10, and a wheel support portion 122 that rotatably supports the wheel 121. When the sliding door 10 is located on the sliding door support portion 120, the wheel 121 comes into contact with the rail 15A (not shown in FIG. 15) of the guide support portion 15L, so that the sliding door support portion 120 supports the sliding door 10 from vertically below.
According to this configuration, the configuration of the horizontal support portion 110 can be simplified as compared with, for example, the through door pocket 90, so that the cost of the horizontal support portion 110 can be reduced. Further, since the horizontal support portion 110 is arranged on the back surface side (track side) of the sliding door 10, that is, the horizontal support portion 110 is not arranged on the front surface side (home side) of the sliding door 10, the front surface side (home side) of the sliding door 10 is not arranged. ) Will be wider.
The dimensions of the horizontal support portion 110 in the height direction ZB can be arbitrarily set. For example, the horizontal support portion 110 can support the back surface 12Y of the crosspiece 12L of the sliding door 10 and may not support the back surface 12Y of the crosspiece 12U (not shown in FIG. 15). Further, the horizontal support portion 110 may be provided near the position of the door tip of the sliding door 10 when the position of the sliding door 10 in the opening / closing direction ZA is in the fully open position within the movable range MR of the door tip of the sliding door 10. Further, a plurality of horizontal support portions 110 may be provided in the opening / closing direction ZA. Further, a plurality of sliding door support portions 120 may be provided in the opening / closing direction ZA. Further, the sliding door support portion 120 may be omitted.

(Modification example 4)
In the above modification 3, as shown in FIG. 16, the shape of the upper part of the horizontal support portion 110 may be changed so as to cover the crosspiece 12U of the sliding door 10 from the upper side and the surface 12X side of the crosspiece 12U. Specifically, the horizontal support portion 110 has an upper end cover portion 111 extending from the upper end portion toward the surface 12X side of the crosspiece 12U and an opposing cover portion 112 extending downward from the home side end portion of the upper end cover portion 111. And further prepare. The upper end cover portion 111 and the facing cover portion 112 are integrally formed with the horizontal support portion 110. The upper end cover portion 111 is located above the sliding door 10. The facing cover portion 112 faces the surface 12X of the crosspiece 12U.
According to this configuration, since the horizontal support portion 110 can support the sliding door 10 from the home side and the track side, it is possible to suppress bending of the sliding door 10 to the home side and the track side.
The upper end cover portion 111 and the facing cover portion 112 may be formed separately from the horizontal support portion 110 and may be attached to the horizontal support portion 110 by, for example, bolts (not shown). Further, the upper end cover portion 111 and the facing cover portion 112 may be formed individually from each other.

(Modification 5)
In each of the above embodiments, the configuration of the sliding door 10 may be changed as follows (a) to (f). Further, (a) to (f) may be combined with each other.
(A) The number of the light transmitting plates 11A of the light transmitting unit 11 is 1 to 4 or 6 or more.
(B) The dimensions of the light transmitting plate 11A in the opening / closing direction ZA are different from each other.
(C) The translucent plate 11A is composed of only a glass plate.
(D) The translucent plate 11A is composed of only a translucent resin.
(E) The upper support piece 17U and the lower support piece 17L are omitted from the sliding door 10. In this case, the translucent plate 11A is directly attached to the crosspieces 12U and 12L.
(F) The translucent portion 11 is arranged at the center of the crosspieces 12U and 12L in the thickness direction or near the back surface 12Y.

(Modification 6)
In each of the above embodiments, the configuration of the intermediate door pocket body 20C may be changed as follows (a) to (f). Further, as long as the combinations in (a) to (f) are possible, they may be combined with each other.
(A) The number of the split door pockets of the intermediate door pocket 20C is 2, 3, or 5 or more. The number of split door pockets of the intermediate door pocket 20C can be changed according to the length of the sliding door 10 in the opening / closing direction ZA.
(B) One or more door pocket side support portions 28 are provided on the split door pocket body 20D of the intermediate door pocket body 20C.
(C) At least one of the split door pocket bodies 20E to 20G of the intermediate door pocket body 20C is provided with a plurality of door pocket side support portions 28.
(D) The door pocket side support portion 28 is omitted from at least one of the split door pocket bodies 20E to 20G.
(E) At least one of the door pocket side support portions 28 of the split door pocket bodies 20E to 20G is provided in the opening / closing direction ZA toward the opening direction or the closing direction of the split door pocket bodies 20E to 20G.
(F) At least two of the split door pocket bodies 20E to 20G adjacent to each other in the opening / closing direction ZA in the door pocket side support portion 28 have the same height from the installation surface P1.

(Modification 7)
In the first embodiment, the configuration of the door-side support portion 16 may be changed as follows (a) to (c).
(A) The cushion 16D is omitted from the door side support portion 16.
(B) The cushion 16D and the cover 16C are omitted from the door side support portion 16.
(C) The door-side support portion 16 may have a plate-shaped support portion attached to the sliding door 10 instead of the wheel 16A and the wheel support portion 16B. In this case, when the sliding door 10 bends vertically downward, the supporting portion comes into contact with the installation surface P1 to support the sliding door 10 from vertically downward. Then, when the sliding door 10 moves in the opening / closing direction ZA with the support portion in contact with the installation surface P1, the support portion and the installation surface P1 slide.

(Modification 8)
In the first embodiment, a plurality of door-side support portions 16 may be attached to the sliding door 10. Further, in the first embodiment, the door side support portion 16 may be omitted.

(Modification 9)
In each of the above embodiments, the configurations of the door pocket side support portions 24 and 28 may be changed as follows (a) and (b). Further, (a) and (b) may be combined with each other.
(A) The height of the door pocket side support portion 24 from the installation surface P1 and the height of the split door pocket body 20G in the intermediate door pocket body 20C from the installation surface P1 of the door pocket side support portion 28 are equal to each other.
(B) At least one of the door pocket side support portions 24 and 28 is a plate-shaped support portion instead of the wheels 24A and 28A. In this case, when the sliding door 10 is located on the door pocket side support portions 24 and 28, the support portion comes into contact with the sliding door 10 to support the sliding door 10 from vertically below. Then, when the sliding door 10 moves in the opening / closing direction ZA with the support portion in contact with the sliding door 10, the support portion and the sliding door 10 slide.

(Modification example 10)
In each of the above embodiments, the light transmitting portion 11 may be omitted from the sliding door 10. In this case, the sliding door 10 may have a box shape in which the crosspieces 12U and 12L are omitted from the sliding door 10.

(Modification 11)
In each of the above embodiments, the example in which the sliding door opening / closing device 1 is applied to the platform door device has been described, but the sliding door opening / closing device 1 is applied to other than the platform door device such as the sliding door opening / closing device that opens / closes the entrance / exit of the factory. be able to.

1 Sliding door opening / closing device 10 Sliding door 15A Rail 16 Door side support (sliding door support)
16A Wheel 20 Door bag 24 Door bag side support part (sliding door support part)
24A Wheel 28 Door bag side support (sliding door support)
28A Wheel 30 End horizontal support 90 Through door pocket (horizontal support)
95 Door pocket side support (sliding door support)
95A Wheel 110 Horizontal support 120 Sliding door support 121 Wheel P1 Installation surface ZA Opening / closing direction MR Movable range

Claims (14)

A sliding door that can move in the opening and closing direction with a gap between it and the installation surface,
A door pocket that can store the sliding door and
A sliding door support portion that can support the sliding door from below vertically or does not support the sliding door from below vertically is provided depending on the position of the sliding door in the opening / closing direction .
The sliding door support portion is a sliding door opening / closing device capable of supporting the sliding door from vertically below outside the door pocket when the sliding door protrudes from the door pocket . The sliding door opening / closing device according to claim 1, wherein the sliding door support portion has a door side support portion provided at the door end of the sliding door. The sliding door supporting portion, the sliding door opening and closing device according to claim 1 or 2 further comprising a door pocket side support portion provided in the door case. A rail provided on the sliding door and extending in parallel with the opening / closing direction is further provided.
The sliding door opening / closing device according to claim 3, wherein the door pocket side support portion supports the rail from below in a state of supporting the sliding door from below vertically. The sliding door opening / closing device according to any one of claims 1 to 4, wherein the sliding door support portion includes wheels. With a plurality of door pocket side supports
The sliding door opening / closing device according to claim 3 or 4, wherein the plurality of door pocket side support portions are provided in the door pocket at intervals in the opening / closing direction. According to any one of claims 3, 4, or 6, the door pocket side support portion is arranged at a position capable of supporting the door tail of the sliding door when the position of the sliding door in the opening / closing direction is the fully open position. The sliding door opening and closing device described. Depending on the position of the sliding door in the closing direction, further comprising at least a state or the sliding door supported from the back surface side of the sliding door can assume a state that does not support from the back side of the sliding door horizontal support the sliding door,
The sliding door opening / closing device according to any one of claims 1 to 7, wherein the horizontal support portion is provided within a movable range of the door tip of the sliding door outside the door pocket. The sliding door opening / closing device according to claim 8, wherein the horizontal support portion can support the end portion of the sliding door in the thickness direction of the sliding door and the direction orthogonal to the opening / closing direction from at least the back surface side of the sliding door. The sliding door opening / closing device according to claim 8 or 9, wherein the horizontal support portion is a through door bag. The sliding door opening / closing device according to claim 10, wherein the sliding door support portion is provided in the through door bag. The sliding door opening / closing according to claim 11, wherein the penetrating door bag is provided near the position of the sliding door when the position of the sliding door in the opening / closing direction is in the fully closed position within the movable range of the sliding door. apparatus. The sliding door opening / closing device according to claim 8 or 9, wherein the shape of the horizontal support portion is a rod shape or a plate shape extending in the thickness direction of the sliding door and the direction orthogonal to the opening / closing direction. The present invention according to any one of claims 1 to 9, further comprising an end horizontal support portion capable of supporting the door end of the sliding door from at least the back surface side of the sliding door when the position of the sliding door in the opening / closing direction is a fully closed position. The sliding door opening and closing device described.

Images