JP4149462B2 - Guide mechanism - Google Patents

Description

  The present invention relates to a guide mechanism that guides sliding movement of a door main body provided in a door device, and more particularly to a guide mechanism that prevents the door main body from being forcibly lifted and removed from the outdoor side.

  2. Description of the Related Art Conventionally, for example, a door device having a door body that is slidable is provided. This type of door device is generally provided with a drive mechanism that slides the door body above the door body, and a guide mechanism that guides the sliding movement of the door body below the door body. Yes. In this guide mechanism, a guide groove extending in the sliding movement direction of the door body, and a guide member provided so as to protrude downward from the lower portion of the door body so as to be fitted with play in the guide groove. It is configured. In addition, this kind of door device is provided at the entrance of a building so that the door body is separated from the indoor and outdoor, and when the store is closed, the door body is used for crime prevention purposes. Is locked to prevent sliding movement.

On the other hand, in recent years, a tool such as a bar is inserted into the gap between the lower portion of the door body of the door device and the guide groove, the door body is lifted by the tool, and the door body is removed illegally in a building such as a store. There are many crimes that invade. To deal with such crimes, the conventional door device has a guide mechanism configured as follows. That is, the width of the opening end of the guide groove is made narrower than the width of the guide member fitted in the guide groove, and the guide member is prevented from coming out of the guide groove (see Patent Document 1). When the guide mechanism is configured in this way, even if the door body is forcibly lifted, the guide member is prevented from coming out of the guide groove, and the door body is not removed.
JP-A-54-75834 (especially FIGS. 11 to 13)

  By the way, in this type of door device, there is a case where it is desired to remove the door body when dust or the like has accumulated in the guide groove. Here, in the door device configured as described above, since the guide mechanism is configured so that the door body does not come off, it is easy even when it is desired to remove the door body or when the door body is attached. It was something that could not be attached or removed.

  The present invention has been made in view of such circumstances, and an object thereof is a guide mechanism for guiding the sliding movement of the door body, and the door body is forcibly lifted and removed from the outdoor side. In addition, the door body can be lifted and removed from the indoor side when dust or the like accumulates in the guide groove or when the door body is attached. It is to provide a guide mechanism.

In order to solve the above-mentioned problems, the present invention provides a steadying mechanism of the following means.
That is, the invention according to claim 1 is a guide mechanism that is provided below the door body that separates the indoor and the outdoor and guides the sliding movement of the door body. A guide groove extending in a sliding movement direction, and a guide member that protrudes downward from a lower portion of the door body and is fitted with play in the guide groove, and an inner side surface of the guide groove on the indoor side A step portion projecting toward the outdoor side inner surface of the guide groove is provided, and the guide member is attached to a lower portion of the door body and is opposed to the outdoor side inner surface of the guide groove. A first guide plate portion that has one guide portion and extends vertically downward; a locking projection portion that projects from the lower end of the first guide plate portion toward the stepped portion; and a thickness of the door body. Degenerate in the vertical direction A guide piece having a second guide portion facing the inner side surface of the indoor side of the guide groove provided in the approximate center of the first guide plate portion via a resin member, The swinging of the door body is restricted by the first guide portion and the second guide portion striking against the outdoor side and the indoor side of the guide groove facing each other, and the door main body is restricted to the indoor side. When the door body is lifted while being pushed toward the indoor side, the resin member is retracted in the thickness direction of the door body, and the locking protrusion is engaged with the stepped portion. It is made to stop and the said door main body cannot be removed .

  In the guide mechanism according to claim 1, when a tool such as a bar is inserted into the gap between the lower portion of the door body and the guide groove from the outdoor side and the door body is removed, Will be lifted after being moved slightly. At this time, with the slight movement of the door body toward the indoor side, the guide member provided at the lower portion of the door body also moves slightly to the indoor side. Then, the locking protrusion protruding toward the step provided on the guide member is locked to the step provided on the inner side on the indoor side of the guide groove and protruding toward the inner side on the outdoor side. . That is, when the guide member (locking protrusion) is locked to the stepped portion, the upward movement of the door body is restricted. Accordingly, even if the door body is lifted, the door body cannot be removed due to the restriction of the upward movement due to the guide member being locked to the stepped portion.

  On the other hand, in the guide mechanism according to claim 1 described above, when the door body is to be removed from the indoor side, the door body is pushed toward the outdoor side and slightly moved and lifted. It becomes. At this time, with the slight movement of the door body toward the outdoor side, the guide member provided at the lower portion of the door body also moves slightly to the outdoor side. Here, since the inner side surface on the outdoor side of the guide groove is not provided with a step portion unlike the inner side surface on the indoor side described above, the upward movement of the door body is not restricted, and the door body can be easily operated. Can be lifted to. That is, the guide member can be lifted from the guide groove until it is exposed to the outside, and the door body can be removed.

The guide member includes a guide member body provided with a locking projection and attached to a lower portion of the door body, and a guide piece provided on the guide member body. The guide member main body has a first guide portion facing the inner side surface on the outdoor side of the guide groove, and the guide piece has a second guide portion facing the inner side surface on the indoor side of the guide groove. Have. Here, when the guide piece is provided on the guide member main body, a resin member that can be retracted in the thickness direction of the door main body is interposed between the guide piece and the guide member main body. The thickness direction of the door body is a direction that coincides with the direction in which the door body is pushed when a tool such as a bar is inserted and the door body is removed. Further, the resin member that can be shrunk is not particularly limited as long as it can be shrunk, but if it is an elastic rubber resin or the like, it is particularly preferable in that it can be restored immediately even if it is deformed. The

  As a result, when the guide member provided at the lower part of the door body slightly moves to the indoor side and the second guide portion of the guide piece comes into contact with the inner side surface of the guide groove on the indoor side, the guide piece and the guide The resin member interposed between the member main bodies is degenerated. If it does so, a latching protrusion part will preferably latch in the step part provided toward the inner side surface of the outdoor side provided in the inner side surface of the guide groove. Therefore, as described above, when the guide member (locking protrusion) is locked to the stepped portion, the upward movement of the door body is restricted. Accordingly, even if the door body is lifted, the door body cannot be removed due to the restriction of the upward movement due to the guide member being locked to the stepped portion.

  Furthermore, since a resin member that can be retracted is interposed between the guide member main body and the guide piece, the first guide portion and the second guide portion have an appropriate width by the contraction member. Is maintained. That is, normally, the guide member regulates the shaking in the thickness direction of the door body when the first guide portion and the second guide portion collide with the inner surfaces of the guide grooves facing each other. ing. As a result, the sliding movement of the door main body becomes stable with the shaking in the thickness direction prevented.

The invention according to claim 2 is characterized in that, in the guide mechanism according to claim 1 , a plurality of the stepped portions are provided in the depth direction of the guide groove.

In the guide mechanism according to claim 2 , a plurality of stepped portions for locking the locking protrusions described above are provided in the depth direction of the guide groove among the inner side surfaces on the indoor side in the guide groove. Therefore, even if this locking projection part is locked with the one step part that was locked, it will be locked to the other step part, and more reliably to the upper part of the door body Restrict movement. Therefore, even if the door body is lifted, the locking between the guide member and the stepped portion becomes more reliable, and the door body cannot be removed.

  When the door device is configured by adopting the guide mechanism according to the present invention, the door main body is prevented from being forcibly removed from the outdoor side, so the building in which the door device is installed Contributes to preventing crimes that illegally enter the interior, and even if dust accumulates in the guide groove or when installing the door body, the door body can be lifted and removed from the indoor side .

Hereinafter, the best embodiment of the door apparatus provided with the guide mechanism concerning this invention is described, referring to drawings.
FIG. 1 is a front view of a door device provided with a guide mechanism of the present invention as seen from the outside, and is a view in which an outer lid of a drive mechanism is removed. The code | symbol 1 shown in FIG. 1 is a door apparatus installed in the entrance / exit of the building B provided with the guide mechanism 10 which concerns on this invention. The door device 1 includes a door body 30 that is slidable and separates the interior and the exterior of the building B, a drive mechanism 20 that is attached to the wall B1 of the building B above the door body 30, and the door body. 30 and a guide mechanism 10 provided below 30. And the doorway of this building B is opened and closed when this door main body 20 slide-moves. A fix plate 28 is provided at a position adjacent to the door main body 30 (to the right in the drawing), and reference numeral 29 indicates a frame of the door device 1. The inside of the building B is the indoor side (E1), and the outside of the building B is the outdoor side (E2).

  Further, as shown in the enlarged front view of FIG. 2, the drive mechanism 20 includes a base 21 fixedly attached to the wall B <b> 1 of the building B, and a sliding movement range of the door body 30 below the base 21. A suspension rail 22 that extends to the base 21, a drive pulley 23 provided near one end of the base 21, and a driven pulley 24 provided near the other end of the base 21 are provided. A timing belt T is wound around the driving pulley 23 and the driven pulley 24, and the timing belt T is moved by the driving force of the driving motor built in the driving pulley 23.

  Further, the suspension belt 25 connected to the upper portion of the door body 30 is connected to the timing belt T. The suspension vehicle 25 is movable while the door body 30 is suspended by appropriate wheels 25 a provided on the suspension rail 22. That is, the suspension vehicle 25 moves with the timing belt T moved by the drive pulley 23. The door body 30 is slid by the movement of the suspension vehicle 25 on the suspension rail 22. Moreover, the code | symbol 26 in a figure shows the auxiliary | assistant suspension vehicle provided with the wheel 26a and moving on the suspension rail 22. FIG. Unlike the suspension vehicle 25, the auxiliary suspension vehicle 26 is not connected to the timing belt T, but is connected to the upper portion of the door body 30, so that the door body 30 can be stably slid and moved. It is something to be made.

  On the other hand, the drive pulley 23 is connected to a control device (not shown). The control device controls driving of the driving pulley 23 in accordance with detection of a detector provided as appropriate. Here, the door body 30 is suspended by the suspension vehicle 25 and the auxiliary suspension vehicle 26. As a result, the door body 30 slides the door body 30 in a floating state (floating state) where the lower part is not grounded. The “sliding direction of the door body 30 (hereinafter simply referred to as sliding direction)” is the left-right direction in FIG. In other words, the door device 1 opens the doorway of the building B when the door body 30 moves in the open slide movement direction D1, and closes the doorway when the door body 30 moves in the closed slide movement direction D2. It is supposed to be a thing.

  Next, FIG. 3 which shows the XX cross section (cross section of the thickness direction of the door main body 30) of FIG. 1 about the guide mechanism provided in the lower part of the door main body 30 of this automatic door apparatus 1, and this guide mechanism This will be described with reference to FIGS. The guide mechanism 10 is disposed below the door body 30 and is provided so as to protrude downward from the guide groove 40 located below the door body 30 and the lower portion 30a of the door body 30. The member 50 is generally configured and has a function of guiding the sliding movement of the door body 30. The “thickness direction of the door main body 30 (hereinafter simply referred to as the thickness direction)” is the direction of the thickness of the door main body 30 itself, as indicated by the symbol E in FIG. This also coincides with the direction orthogonal to the slide movement direction D shown in FIG. Moreover, the code | symbol E1 means the direction of the indoor side made into the inside of the building B, and the code | symbol E2 means the direction of the outdoor side made into the building B outside.

  As shown in FIG. 3, the guide groove 40 is provided below the door body 30 and extending in the sliding movement direction D of the door body 30. As shown in FIGS. 3 to 5, the guide groove 40 is a cover body that is formed by bending a suitable portion of a material made of stainless steel into a perforated groove 41 that has been previously hollowed out in a substantially concave shape on the floor F surface. 42 is installed. As shown in the figure, the guide groove 40 is open at the top, and has an inner side surface 40b on the indoor side (E1), an inner side surface 40c on the outdoor side (E2), and an inner bottom surface 40d. Thus, an upper portion is opened in a groove shape, and a step portion 44 is provided in the groove 40a by a step member 43 installed in the groove 40a.

  4A shows an enlarged view taken along the line XX in FIG. 1, and FIG. 4B is an enlarged cross-sectional view seen from the direction opposite to FIG. 4A. As shown in FIGS. 4A and 4B, the step member 43 is viewed from the slide movement direction D so as to contact the inner side surface 40b and the inner bottom surface 40d on the indoor side of the guide groove 40a. The door body 30 is formed so as to extend to an appropriate length in the sliding movement direction D. The step member 43 is fixed to the inner bottom surface 40d of the guide groove 40a by an appropriate screw member. Two step portions 44 (44a, 44b) projecting toward the inner side surface 40c on the outdoor side are provided in a portion of the step member 43 that is in contact with the inner side surface 40b on the indoor side. Further, these step portions 44a and 44b are provided with an appropriate distance from each other, and are provided in parallel with the inner bottom surface 40d extending in parallel with the sliding movement direction D of the door body 30. ing. The step 44 is a portion where a locking projection plate 55 (specifically, a tip 55a) of the guide member 50 described later is locked, and the tip 55a of the locking projection plate 55 can be preferably locked. It is formed with a wide width.

  The two step portions 44 (44a, 44b) described above are configured to be provided by being installed on the cover body 42 that constitutes the guide groove 40, but are limited to those using such a step member. There is no limitation as long as it is appropriately configured. For example, it is assumed that there is no problem even if the step 44 described above is provided directly on the cover body 42. Further, the two step portions 44 (44a, 44b) are provided at an appropriate interval in the height direction of the inner side surface 40b on the indoor side of the guide groove 40a. However, the present invention is not limited to this. Even if it is constituted by an appropriate number such as one or three, there is no problem.

  Further, when the step member 44 is configured by installing the step member 43 in the cover body 42 constituting the guide groove 40, the step member 44 is provided by installing the step member 43 in the existing guide groove 40. Therefore, it can be installed without removing the existing cover body, which is advantageous in terms of production cost and installation convenience. When the step member 43 is installed in the guide groove 40a, the indoor side inner surface 40b of the guide groove 40 is borne by the indoor side surface of the step member 43.

  Next, the guide member 50 provided so as to protrude downward from the lower portion 30a of the door body 30 that is fitted in the guide groove 40a with play is described. 5A is a top view of the guide mechanism, FIG. 5B is a side view of the guide mechanism viewed from the outdoors toward the indoors, and FIG. 5C is a guide mechanism viewed from the indoors toward the outdoors. FIG. 5D is a rear view of the guide mechanism. The guide member 50 is provided with a locking protrusion plate portion 55 and is screwed to the lower portion 30a of the door body 30 by an appropriate screw member, and the guide member body 51 is provided via the resin member 57. The guide piece 52 is generally constituted.

  As shown in FIG. 4, the guide member main body 51 has a substantially U-shaped cross section and is opened toward the indoor side (E1). Specifically, the guide member main body 51 is a lower part of the door main body 30. A mounting plate 53 attached to 30a, a first guide plate 54 extending vertically downward from an edge of the mounting plate 53, and a lower end of the first guide plate 54 toward the indoor side (E1). It is comprised from the latching protrusion board part 55 which protrudes. The guide member main body 51 configured in this way is attached to the door main body 30 by screwing the mounting plate portion 54 to the lower portion 30a of the door main body 30 with an appropriate screw member.

  Of the first guide plate portion 54, the first outer side surface 54b facing the inner side surface 40c on the outdoor side of the guide groove 40 corresponds to the first guide portion in the present invention. The side surface 40c is configured in parallel. Further, a through hole 54 a is provided in the approximate center of the first guide plate portion 54. The through hole 54 a is a portion through which the guide piece support portion 52 a provided in the guide piece 52 is inserted. Further, the locking projection plate portion 55 provided at the lower end of the first guide plate portion 54 corresponds to the locking projection portion in the present invention, and is formed to protrude in the horizontal direction so as to be parallel to the inner bottom surface 40d described above. Is done. As will be described later, the distal end 55a of the locking projection plate 55 abuts the indoor side surface 40b below the stepped portion 44 (44a, 44b), and the door body 30 is lifted. When this occurs, it can be locked to the lower portion 44c of the stepped portion 44 (44a, 44b). That is, in a normal time, the locking protruding plate portion 55 is located below the step portion 44 (44a, 44b), and its tip 55a is also directed below the step portion 44 (44a, 44b). It is configured as follows.

  The guide piece 52 includes a guide piece main body 52b formed in a rectangular parallelepiped shape and a guide piece support portion 52a protruding from the guide piece main body 52b. The guide piece main body 52b is provided in parallel with the inner side surface 40b on the indoor side of the guide groove 40, and the outer surface faces the inner side surface 40b on the indoor side. The guide piece support portion 52a is inserted into a through portion 57a provided in the resin member 57 and an end portion is inserted into the through hole 54a of the first guide plate portion 54, as will be described below. Yes. Of the guide pieces 52, the second outer surface 52c facing the inner side surface 40b on the indoor side of the guide groove 40 corresponds to the second guide portion in the present invention, and the inner side of the guide groove 40 on the indoor side. The side surface 40b is configured in parallel.

  The guide piece 52 is attached to a surface of the first guide plate portion 54 that faces the inner side surface 40 b on the indoor side of the guide groove 40 through the resin member 57. Specifically, one side surface of the resin member 57 is bonded to a surface of the first guide plate portion 54 that faces the inner side surface 40 b on the indoor side of the guide groove 40. Further, the other side surface opposite to the one side surface of the resin member 57 is bonded to the guide piece 52. The resin member 57 has a property capable of degeneration, and is specifically formed of a resin material having elasticity. Further, in the center of the resin member 57, a through portion 57a penetrating in the thickness direction E of the door body 30 is provided, and a guide piece support portion 52a provided in the guide piece 52 is provided in the through portion 57a. Is inserted, and the end of the guide piece support portion 52a slightly protruding from the resin member 57 is inserted into the through hole 54a of the first guide plate portion 54.

  The resin member 57 described above can be used for the guide mechanism 10 without any problem as long as it can be degenerated. In addition, the resin member 57 has an elastic modulus per unit volume and a volume of the provided resin member 57 itself so that the resin member 57 contracts by 1 to 5 mm when a force of 50 to 10000 g is applied. ing. As described above, when the elastic modulus per unit volume and the volume to be provided in the resin member 57 are set, the resin member 57 is not elastically deformed by receiving an external load of 50 g or less under normal conditions. Therefore, the width of the guide member 50 (thickness direction E of the door main body 30) can be preferably maintained in the guide groove 40, and the sliding movement of the door main body 30 can be preferably guided. Further, in an emergency in which the door body 30 is pushed from the outdoors (E2) to the indoors (E1), it is elastically deformed so as to degenerate by 1 to 5 mm by receiving an external load of 10000 g or more. The tip 55a of the locking projection plate 55 described above can be brought into contact with the inner side surface 40b on the indoor side. It is desirable that the above-described conditions for the resin member 57 to be degenerated are appropriately selected in view of the weight of the door body 30 and the installation conditions. As described above, when the elastic modulus of the resin member 57 is appropriately selected, the sliding movement of the door body 30 can be preferably guided, and a desired effect of preventing the lifting can be obtained.

  The guide mechanism 10 configured as described above has the following effects. 6A is a side view of the guide mechanism in a normal state, FIG. 6B is a side view of the guide mechanism when the door body is pushed from the outside to the inside, and FIG. 6C is the door. The side view of the guide mechanism when a main body is lifted is shown.

  The guide mechanism 10 is configured as shown in FIG. That is, the resin member 57 interposed between the guide member main body 51 and the guide piece 52 is not pressed from anywhere and maintains a natural length. Accordingly, the first guide plate portion 54 having the first outer surface 54b (first guide portion) and the guide piece 52 having the second outer surface 52c (second guide portion) are formed in the guide grooves 40 facing each other. The swinging of the door body 30 is restricted by hitting the inner side surfaces 40c and 40b on the outdoor side and the indoor side. As a result, the sliding movement of the door body 30 becomes stable with the shaking in the thickness direction E prevented.

  For example, a person who illegally enters the building B in which the door device 1 is installed from the outdoor side (E2) uses a tool such as a bar in the gap between the lower portion 30a of the door body 30 and the guide groove 40. When the door main body 30 is to be removed by being inserted, the door main body 30 is pushed inside the building B by the inserted bar. Then, as shown in FIG. 6B, the guide member 50 provided in the lower portion 30a of the door body 30 also moves slightly toward the indoor side (E1) in the guide groove 40a. That is, the guide piece 52 of the guide member 50 abuts on the step 44 of the guide groove 40 (inner side 40b side), and further, by the abutment of the guide piece 52 and pressing by insertion of a bar or the like. The resin member 57 constituting the guide member 50 is degenerated (elastically deformed). In this way, when the resin member 57 is degenerated (elastically deformed), as shown in FIG. 6B, the locking protrusion plate portion 55 positioned below is positioned below the step portion 44. The guide groove 40 abuts on the inner side surface 40b on the indoor side.

  Further, when the door body 30 is lifted by a tool such as a bar inserted into the gap between the lower portion 30a of the door body 30 and the guide groove 40, as shown in FIG. The front end 55 a of the locking projection plate portion 55 that is in contact with the inner side surface 40 b on the indoor side below 44 is locked to the lower portion 44 c of the step portion 44. That is, when the guide member 50 is locked to the step portion 44, the upward movement of the door body is restricted. Therefore, even if the door body 30 is lifted, the door body 30 cannot be removed because the upward movement is restricted in this way.

  On the other hand, when the door body 30 is to be removed from the indoor side (E1), unlike the indoor side surface 40b on the indoor side of the guide groove 40, the stepped portion is also formed on the inner side surface 40c on the outdoor side of the guide groove 40. Since there is no locking projection that is locked to the stepped portion, the upward movement of the door body 30 is not restricted. Therefore, the door body 30 can be moved upward. That is, the guide member 50 can be lifted from the guide groove 40 until it is exposed to the outside, and the door body 30 can be removed.

  Further, in this guide mechanism 10, the stepped portion 44 for locking the tip 55a of the locking projection plate 55 described above is the depth of the guide groove 40 in the inner side surface 40b on the indoor side of the guide groove 40a. A plurality are provided in the vertical direction. As a result, even if the locking protrusion plate portion 55 is not locked to the one step portion 44a, it is locked to the other step portion 44b positioned above the stepped portion 44a. More reliably regulate the movement of In other words, even if the door body 30 is lifted, the door member 30 cannot be removed because the locking between the guide member 50 and the stepped portion 44 is more reliable.

  As described above, when the door device 1 is configured using this guide mechanism 10, the door body 30 is prevented from being forcibly removed from the outdoor side (E2). This contributes to the prevention of crimes that illegally enter the building B in which the apparatus 1 is installed. Furthermore, when dust or the like accumulates in the guide groove 40 or when the door body 30 is attached, The door body 30 can be lifted and removed from the inside (E1).

  The guide mechanism of the present invention is not limited to the above-described embodiment, and can be appropriately selected and configured without departing from the spirit of the present invention. For example, in the above-described embodiment, the upward movement of the door body 30 is restricted by the engagement between the front end 55a of the engagement protrusion plate portion 55 and the stepped portion 44. Here, the tip 55a of the locking projection plate 55 and the stepped portion 44 may be configured to be easily locked to each other. That is, the front end 55a of the locking projection plate 55 is formed of a key-shaped hook, and the key-shaped hook is easily caught on the lower portion 44c of the stepped portion 44 to be locked. A concave portion may be provided. When comprised in this way, the latching of the latching protrusion board part 55 and a step part becomes more reliable, and it is suitable.

Further, in the above-described embodiment, the locking projecting plate portion 55 and the stepped portion 44 are locked to each other by inserting a tool such as a bar and then lifting the door body. However, the present invention is not limited to this, and is configured so that the locking projection plate 55 and the step 44 are locked when a tool such as a bar is simply inserted and the door body is pushed. There may be. That is, you may comprise so that the front-end | tip 55a of the latching protrusion part 55 and the step part 44 may be latched by mutually fitting. Specifically, the concave and convex shapes that can be fitted to each other may be provided on the tip 55a of the locking projection 55 and the step 44. In such a configuration, the tip 55a of the locking projection 55 is locked by fitting with the step 44 only by inserting a tool such as a bar.
Furthermore, in the above-described embodiment, the guide mechanism 10 used in the door device 1 including the drive mechanism 20 above the door main body 30 has been described. However, the present invention is not limited to this embodiment, If a drive mechanism is provided at the location, there is no problem.

It is a front view of the automatic door apparatus provided with the guide mechanism of this invention. It is an enlarged front view of a drive mechanism. FIG. 2 is a cross-sectional view taken along the line XX in FIG. 1 showing a guide mechanism at the lower part of the door body. It is the expanded side view which looked at the guide mechanism of FIG. 3 from the slide movement both directions. 3 is a top view of the guide mechanism shown in FIG. 3, a side view of the guide mechanism shown in FIG. 3 viewed from the outside to the indoor side, a side view of the guide mechanism shown in FIG. FIG. It is a side view of the guide mechanism at the normal time, a side view of the guide mechanism when the door body is pushed indoors from the outdoors, and a side view of the guide mechanism when the door body is lifted.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door apparatus 10 Guide mechanism 30 Door main body 40 Guide groove 40a Inside guide groove 40b Indoor side surface of guide groove 40c Inner side surface of guide groove 40d Inner bottom surface of guide groove 44 Step part 44c Lower part of step part 50 Guide Member 51 Guide member main body 52 Guide piece 55 Locking protrusion 55a Tip of locking protrusion 57 Resin member D Sliding movement direction of door main body E Thickness direction of door main body F Floor

Claims (2)

A guide mechanism that is provided below the door body that separates the indoor and the outdoor and guides the sliding movement of the door body,
A guide groove below the door body and extending in the sliding movement direction of the door body, and a guide member that protrudes downward from the lower portion of the door body and is fitted with play in the guide groove,
On the inner side surface of the guide groove on the indoor side, a step portion is provided that protrudes toward the outdoor side inner surface of the guide groove,
The guide member includes a first guide plate portion that is attached to a lower portion of the door body and has a first guide portion that faces the inner side surface on the outdoor side of the guide groove and extends vertically downward. Provided at substantially the center of the first guide plate portion through a locking projection portion that protrudes from the lower end of the guide plate portion toward the stepped portion and a resin member that can be retracted in the thickness direction of the door body. A guide piece having a second guide portion facing the inner side surface of the indoor side of the guide groove formed,
In a normal state, the door body is prevented from shaking by the first guide portion and the second guide portion striking against the outdoor side and indoor side inner surfaces of the guide grooves facing each other, and the door The main body can be removed from the indoor side,
When the door body is lifted while being pushed toward the indoor side, the resin member is retracted in the thickness direction of the door body, and the locking protrusion is locked to the stepped portion. A guide mechanism characterized in that it cannot be removed. The guide mechanism according to claim 1 , wherein a plurality of the stepped portions are provided in a depth direction of the guide groove.

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