JP3592897B2 - Sliding door device for display cases, etc. - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a configuration of a sliding door device in a display case or the like in which a front surface of a case main body such as a display case installed in a museum or the like is opened and closed by a sliding door made of glass.
[0002]
[Prior art]
In a conventionally known sliding door type door, two rows of front and rear rails are arranged at the front opening of the case body, and the sliding door type door is movably fitted to each rail along the frontage direction. Things. For this reason, in a state where the door is closed, it is necessary to secure the airtightness by overlapping the end portions of the front and rear doors in the depth direction of the case body, and there is a problem that the design appearance is unsightly. In addition, in an open state in which one door is disposed in front of the other door, there is a problem that the opening cannot be shorter than the dimension of the door itself in the frontage direction.
[0003]
To solve this problem, for example, in Japanese Utility Model Registration No. 3017198, a fixed wall made of a glass plate is provided on one side of the front surface of the case body, and is arranged in parallel with the surface of the fixed wall. The sliding door is movably mounted on a rail that has been moved via a horizontal operating mechanism having a traveling bogie section, while the traveling bogie section has a position on the same plane as the fixed wall and a position in front of the plane of the fixed wall. , The front and rear guide means capable of moving the sliding door in the thickness direction thereof, and the front and rear driving means for moving the sliding door in the thickness direction thereof by a motor, a bell crank lever, or the like. It has been disclosed.
[0004]
According to this configuration, on one side of the fixed wall, the sliding door type door is fitted and fixed in the same plane as the wall surface, and the airtightness can be maintained while improving the appearance, while the front-rear direction driving means is provided. After moving the sliding door to the front of the case body along its thickness direction at, the sliding door is moved by the horizontal operation mechanism so as to overlap the front side of the fixed wall, and the sliding door to the front of the case body It is said that an opening having the same width as the width dimension (width dimension) can be opened.
[0005]
[Problems to be solved by the invention]
However, there is a problem that the width of the opening cannot be increased due to the fixed wall in the above configuration.
[0006]
SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned conventional problem and to provide a sliding door type door device in a display case or the like that can open the opening of the display case body widely while having a good appearance. .
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the sliding door type door device in the display case or the like according to the first aspect of the present invention arranges at least two sets of rails along the front surface of the main body of the display case or the like and supports the sliding door type door. while for supporting so as to be movable in each left and right sides along the respective rail via means, at least on the upper portion of the support means of said door definitive to the one set other than the set of rails, corresponding to the door to be moved horizontally back and forth in the longitudinal direction and the thickness direction of the door perpendicular rails, provided the front and rear sliding support unit which can be arranged on the door and flush with the other set of rails, said the body side, all Oite the closed position of the door flush with, the door in the set of rails other than the one set, and approaching state to be door and flush with the said other set of rails, the thickness of the door In the direction of contact and separation Those with a drive means for causing.
[0008]
Further, in the sliding door type door device in the display case or the like according to the invention of claim 2, at least two sets of rails are arranged along the front surface of the main body of the display case or the like, and the sliding door type door is supported via supporting means. While supporting each rail so that it can be moved to the left and right sides along each rail, the height positions of the rails of each set are arranged differently, and the support means at least at the upper part of the door in each rail, If each door is horizontally moved back and forth in the thickness direction of the door orthogonal to the longitudinal direction of the rail, it can be placed flush with the doors in the other set of rails , and if the distance that can be moved back and forth is different for each set of rails to thus provide a front and rear sliding support unit that, the the body side, Oite the closed position of the door, the door in the set of rails other than the one set, the door and the face in the other set of rails The approaching state and the Those having a drive means for actuating the contact and separation direction of the state away in the thickness direction of the door.
[0009]
The present invention as described in claim 3, in the sliding door type door device in display cases and the like according to claim 2, wherein the sliding door of door moving distance in the thickness direction different from each other sliding door the door one of A plurality of groups are arranged adjacent to each other in the longitudinal direction of the rail.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment embodying the present invention will be described. FIG. 1 is a perspective view of the sliding door type door device of the present invention, and FIG. 2 is a schematic side sectional view of the first embodiment.
[0011]
Two sets of upper and lower rails 2 and 3 are arranged on the front side of the case main body 1 such as a display case (the opening 1a side of the frontage). The vertical distance between the first pair of upper and lower rails 2 and 2 is shorter than the vertical distance between the second pair of upper and lower rails 3 and 3. In the first embodiment, the first pair of upper and lower pairs of rails 2 and 2 and the second pair of upper and lower pairs of rails 3 and 3 are arranged on the same vertical plane (see FIG. 2). .
[0012]
As shown in FIGS. 7 (a) and 7 (b), a first group of sliding doors 4 # movable to the left and right sides along the first set of rails 2, 2; The second group of sliding doors 5 that can move to the left and right sides along the pair of rails 3 and 3 are arranged alternately in the left and right direction when the frontage 1a of the case body 1 is closed.
[0013]
Each of the doors 4 and 5 is a transparent glass plate, and the upper and lower portions of the doors 4 and 5 can be moved along the upper and lower pairs of rails 2 and 2 or the rails 3 and 3 through the support means 6 respectively. Each support means 6 has a front-rear sliding support that enables each door 4, 5 to move horizontally in the thickness direction thereof in the front-rear direction (direction of coming into contact with and separating from the opening 1a of the frontage). A part 7 is provided. In addition, the front and rear movable distance L1 of the sliding doors 4 of the first group is set to be short, and the front and rear movable distance L2 (> 2 × L1) of the sliding doors 5 of the second group is set to be long. The second group of sliding doors in a state where the first group of sliding doors 4 is moved forward so as to be separated from the vertically located packings 8, 8 disposed on the front surface of the opening 1a of the case body 1. As shown in FIG. 2, the first group of sliding door-type doors 4 move the front 5 away from the packings 9 at the upper and lower positions, which are also arranged in front of the opening 1a of the case body 1. This is a configuration in which the second group of sliding doors 5 can be located further forward.
[0014]
In the closed position where the opening 1a of the case body 1 is closed by the first group of sliding doors 4 and the second group of sliding doors 5, the doors 4 and 5 are in the same vertical plane. It is positioned so as to be in close contact with the packings 8 and 9 for sealing (see FIG. 6). For this reason, a drive means 10 for operating each door in the direction of contact and separation with respect to the closed position is provided at the closed position of each door 4, 5 as described later.
[0015]
In the first embodiment, the upper and lower support means 6, the front and rear sliding support section 7, and the driving means 10 of the doors 4 and 5 of each group have basically the same configuration. 4 will be described below as a representative example.
[0016]
The support means 6 shown in FIGS. 2 to 5 is for the left and right side portions of the upper part of the door 4, and a plurality of pairs of traveling rollers 11 sandwiching the upper and lower end surfaces (mountain shape) of the vertically elongated rail 2 from above and below. Are rotatably supported via the axle 13 on the back surface of the vertical plate-shaped body frame 12 in each support means 6. The front and rear ends of a plurality (two in this embodiment) of sliding shafts 14 are supported by a front surface of the main body frame 12 and a U-shaped auxiliary frame 15 projecting from the front surface. The front-back sliding support portion 7 is configured by slidably fitting the front-rear moving block 16 on the front-rear moving block 14. In this case, a slide bearing or a circulator (not shown) for reducing sliding resistance may be interposed between the sliding shaft 14 and the moving block 16.
[0017]
The sliding block 14 is fitted with a coil spring 17 between the body frame 12 and the front-rear moving block 16 so that the front-rear moving block 16 is elastically urged away from the packing 8. A suspension bolt 18 is attached to the front-rear movement block 16 so as to be adjustable in height, and an upper end of the transparent glass plate door 4 is attached to a holding frame 19 attached to a lower end of the suspension bolt 18 with an adhesive. 20 and so on.
[0018]
A pulling engagement pin 22 is provided on a bracket 21 projecting upward from the front-rear movement block 16, and a guide engagement pin 24 is projected on a bracket 23 at the upper end of the main body frame 12.
[0019]
At the closed position of the door 4, a pulling lever 27 horizontally rotated by an actuator 26 such as a rotary electromagnetic solenoid is disposed on a fixed beam 25 disposed above the upper rail 2 on a side close to the case body 1. Have been. As shown in FIG. 5 in plan view, an arc-shaped guide groove 28 that engages with the guide engagement pin 24 is provided at an intermediate portion in the longitudinal direction of the attraction lever 27, and the attraction engagement pin 22 is provided at the distal end side. Is provided with a pulling portion 29 that abuts on the contact portion. When the actuator 26 is operated with respect to the door 4 stopped at the closed position, the pulling lever 27 rotates clockwise in FIG. 5, and first, the tip of the guide groove 28 is fitted into the guide engagement pin 24, The supporting means 6 is regulated so as not to be inadvertently moved along the rail 2 (see a dashed line in FIG. 5). Next, when the pulling lever 27 is further horizontally rotated clockwise, the guide engaging pin 24 is drawn into the guide groove 28 and the pulling portion 29 draws the pulling engaging pin 22 closer to the rail 2 ( (See the two-dot chain line in FIG. 5). As a result, the front / rear moving block 16 and, consequently, the door 4 are pulled in the direction approaching the rail 2 (rearward direction) against the urging force of the coil spring 17 as the urging means. Is pressed by the packing 8 in the opening 1a, and can be sealed.
[0020]
In the embodiment, the support means 6 is provided at two locations on each of the upper and lower sides with respect to one door 4 (four locations in total), and includes the actuator 26 and the pulling lever 27 for each support means 6. The support means 6 and the front-rear drive means 10 are formed vertically symmetrically with respect to the top and bottom of the door 4. Similarly, the supporting means 6 and the front-rear driving means 10 are provided for the other set of doors 5.
[0021]
Next, the operation of the above configuration will be described. As shown in FIG. 7A, the opening 1a at the frontage of the case main body 1 in the display case is connected to the first group of sliding doors 4 # and the second group. Are alternately arranged, and the front-rear drive means 10 is actuated on the doors 4 and 5 so as to be flush with each other so as to be closed. In this case, the door 4 that is a group having a short front-rear stroke (a movable distance L1 in the front-rear direction) is operated so as to first come into contact with the packing 8, and then the door 5 that is a group having a long movable distance L2 is drawn. At this time, as shown in the main part plan sectional view of the doors 4 and 5 (FIG. 6), if the inviting steps 30a and 30b are formed on the side edges of the doors 4 and 5 in the vertical direction, the adjacent doors are formed. 4 and 5 can be easily sealed in the same vertical plane.
[0022]
Next, in order to open the opening 1a of the frontage of the case main body 1, as shown in FIG. 7A, one door 4 and one door 5 adjacent to each other are considered as one set. When the front-rear drive means 10 for the door 5 having a long front-to-rear movable distance L2 at the position desired to be opened is operated and the pulling lever 27 is rotated counterclockwise in FIG. The block 16 moves leftward (forward) in FIGS. 4 and 5 by a distance L2. Thereby, the door 5 is separated from the packing 9. To open one door 5 by the width of the door, it is sufficient to move the door 5 along the rail 3 by hand or the like and move it to the front of the adjacent (positionally fixed) door 4 (FIG. 7 (a), transition from the two-dot chain line state to the solid line state, see).
[0023]
In order to open the opening 1a for two doors, the door 5 is moved to the left in front of the door 4 in the fixed position by the above-described operation, and the door 5 is next to the door 5 on the right side. The front-rear drive means 10 for the door 5 is operated to move the door 5 forward from the packing 9 by a distance L2, and then the front-rear drive means 10 for the door 4 having the front-rear movable distance L1 is operated. The door 4 is moved forward by a distance L1 away from the packing 8, and in this state, the door 4 is moved rightward along the rail 2 so as to overlap the rear side of the door 5 moved forward. (See the dashed line in FIG. 7A).
[0024]
FIG. 7B shows a state in which one door 4 and one door 5 adjacent to each other are set as one set, and the opening 1a of the case body 1 is closed by the four sets and one door 4 at the left end. , The operation of changing to a state in which four doors are opened. In this case, in FIG. 7 (b), only the door 4 at the right end of the case main body 1 holds the fixed state. Then, first, the front-rear drive means 10 for all the doors 5 is actuated, and the pulling lever 27 is turned in the counterclockwise direction in FIG. 5, and the front-rear movement block 16 is moved by the urging force of the coil spring 17 in FIGS. Move leftward (forward) by distance L2. Next, the front / rear drive means 10 for the other doors 4 except the right end door 4 is operated, and the pulling lever 27 is rotated counterclockwise in FIG. Moves leftward (forward) in FIGS. 4 and 5 by a distance L1.
[0025]
In this embodiment, although both sets of rails 2,2,3,3 are on the same vertical plane, the group of doors 4 and the group of doors 5 have wide surfaces (vertical planes) of rails 2,3. Since it is a horizontal direction orthogonal to the longitudinal direction and is displaced in the thickness direction of the door and by a dimension not less than the thickness of the door, the door 4 that moves right along the rail 2 and the rail 3 The doors 5, which are moved rightward along with each other, do not interfere with each other. When the group of the doors 4, 5 is moved to the right of the frontage of the case body 1, the large opening as shown in FIG. You can open it. By moving an arbitrary set of doors 4 and 5 in this manner, an arbitrary portion of the frontage of the case body 1 can be opened at a multiple of the width of the door.
[0026]
FIG. 8 shows another embodiment. In this embodiment, the vertical plane connecting the first pair of upper and lower pairs of rails 2 and 2 and the vertical plane connecting the second pair of upper and lower rails 3 and 3 are ( However, the lower rails 2 and 3 are not shown in the drawing), and are arranged to be shifted in the front-rear direction of the case body 1. Since other configurations are the same as those of the embodiment of FIGS. 3 to 7, the same components are denoted by the same reference numerals, and detailed description is omitted. The cross-sectional shapes of the rails 2 and 3 may be rectangular, round rod-shaped (see FIG. 8), pipe-shaped, or the like.
[0027]
Although the packings 8 and 9 are fixed to the case main body 1 and the like in the above embodiments, the packings 8 and 9 may be of a movable type such that the packings 8 and 9 are pressed against the back surfaces of the doors 4 and 5 at the time of sealing.
[0028]
Further, in the above-described embodiments, the two sets of doors 4 and 5 are movably supported by the two sets of rails 2 and 3 on both the left and right sides, and the forward and backward movable distance of the forward and backward sliding support portion 7 is reduced. L1 and L2 are set in two stages. However, as another embodiment, when three sets of rails are movably supported on the left and right sides of the three groups of doors, respectively, the back and forth sliding of each support means 6 is performed. The forward / backward movable distance of the support portion 7 may be set to three stages of long, medium and short. In the case of four sets of rails, the forward / backward movable distance may be set to four stages.
[0029]
Further, at the door closed position, the driving means for operating the door in the direction of contact and separation with respect to the closed position includes a drive motor capable of normal and reverse rotation, a link mechanism, and a door connected to the link mechanism to seal the door. A known means may be adopted, such as a configuration in which the pressing body presses in the direction.
[0030]
Further, since the two groups of doors 4 and 5 movable along the front opening 1a of the case body 1 move back and forth by the distance (L1 and L2) as described above, the upper and lower sides of the front opening 1a are moved. Although a predetermined space 31 is required for the part (see FIG. 10), this space 31 is a case main body in a state where all the doors 4 and 5 are closed in the same vertical plane (usually an article display state). From the side (outside) observing the exhibits inside 1, the exterior of the case main body 1 remains largely open over the entire length of the frontage, making the appearance unsightly, and foreign matter enters the case main body 1 from outside via the space 31. There is a problem such as getting in.
[0031]
Therefore, as shown in FIGS. 9 and 10, the lower frame plate 32 is opened and closed to open and close the space 31 between the lower frame plate 32 of the opening 1 a of the case body 1 and the front surfaces of the closed doors 4 and 5. A cover body 33 which is vertically rotatable between a vertical state and a horizontal state with a hinge or the like is disposed on the lower side of the lower surface of the case 32 over the entire length of the frontage of the case body 1. The strip-shaped packing 34 is attached, and the cover body 33 is rotated by an actuator (not shown) such as a motor capable of rotating forward and backward. Although not shown, a cover similar to the above may be provided in the space 31 between the upper frame on the front side of the frontage of the case body 1 and the front surfaces of the doors 4 and 5.
[0032]
【The invention's effect】
As described above, the sliding door type door device in the display case or the like according to the first aspect of the present invention arranges at least two sets of rails along the front surface of the main body of the display case or the like and supports the sliding door type door. while for supporting so as to be movable in each left and right sides along the respective rail via means, at least on the upper portion of the support means of said door definitive to the one set other than the set of rails, corresponding to the door to be moved horizontally back and forth in the longitudinal direction and the thickness direction of the door perpendicular rails, provided the front and rear sliding support unit which can be arranged on the door and flush with the other set of rails, said the body side, all Oite the closed position of the door flush with, the door in the set of rails other than the one set, and approaching state to be door and flush with the said other set of rails, the thickness of the door Operates in the direction of contact and separation with the state of separation in the vertical direction To those with a drive means.
[0033]
According to the present invention, the door moving along one set of rails does not move back and forth in the thickness direction of the door, but the door moving along the other set of rails has at least a support means at the upper part of the door. is movable back and forth in the direction of thickness of the door through the front and rear sliding support unit provided with, and Oite the closed position of the door by the driving means, the door in the set of rails other than the one set, the other By operating in the approaching / separating direction between the approaching state in which the doors of the set of rails are flush with the door and the state of being separated in the thickness direction of the door, the same vertical plane as the one set of doors (planar flush) To close the front opening of the main body of the display case, or to position the one set of doors and the other set of doors on different movement paths, and to move both sets of doors in the front-rear direction (the (Thickness direction) and move along each rail to make the opening An effect that can be opened listening.
[0034]
Further, in the sliding door type door device in the display case or the like according to the invention of claim 2, at least two sets of rails are arranged along the front surface of the main body of the display case or the like, and the sliding door type door is supported via supporting means. While supporting each rail so that it can be moved to the left and right sides along each rail, the height positions of the rails of each set are arranged differently, and the support means at least at the upper part of the door in each rail, If each door is horizontally moved back and forth in the thickness direction of the door orthogonal to the longitudinal direction of the rail, it can be placed flush with the doors in the other set of rails , and if the distance that can be moved back and forth is different for each set of rails to thus provide a front and rear sliding support unit that, the the body side, Oite the closed position of the door, the door in the set of rails other than the one set, the door and the face in the other set of rails The approaching state and the Those having a drive means for actuating the contact and separation direction of the state away in the thickness direction of the door.
[0035]
In the present invention, the supporting means for supporting at least the upper part of the sliding door so as to move along each of the plurality of sets of rails includes front and rear movable doors which can be moved in the front and rear direction with respect to the thickness direction. The sliding support portion is provided, and each of the front and rear sliding support portions is configured so that the movable distance in the front and rear direction is different for each rail set. If the doors are moved back and forth in the thickness direction of the door so that all the doors have the same vertical plane, the frontage opening of the main body of the display case can be uniformly closed over the entirety. Conversely, when opening the opening, if the moving distance of one set of doors in the thickness direction is different from the moving distance of the other set of doors in the thickness direction, the doors of each set will Since the doors can be moved in the frontage direction along the corresponding rail without interference, there is an effect that a plurality of sets of doors can be widely opened with their wide surfaces overlapping each other. .
[0036]
The present invention as described in claim 3, in the sliding door type door device in display cases and the like according to claim 2, wherein the sliding door of door moving distance in the thickness direction different from each other sliding door the door one of A group is formed , and the plurality of groups are arranged adjacent to each other in the longitudinal direction of the rail. Therefore, if the doors of each group are operated in the closing direction and the opening direction, the opening and closing operations of the doors are complicated. The effect is that they can be easily opened and closed in order.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view of a case body and a sliding door type door device.
FIG. 2 is a schematic side sectional view of a sliding door type door device.
FIG. 3 is a partially cutaway enlarged front view of a main part of a supporting means, a front-rear sliding support part, and a driving means.
FIG. 4 is an enlarged side sectional view of a main part of a support means, a front-rear sliding support part, and a drive means.
FIG. 5 is an enlarged plan view of a main part of the support means, the front-rear sliding support part, and the drive means, which are partially cut away.
FIG. 6 is a cross-sectional view showing the shapes and overlapping states of the side ends of two adjacent doors in the closed position.
7A and 7B are diagrams illustrating a positional relationship of two sets of doors with respect to an opening of a case main body, wherein FIG. 7A is an explanatory view of forming an opening portion for one or two doors, and FIG. It is explanatory drawing which forms an opening part.
FIG. 8 is a schematic sectional side view of a sliding door type door device according to another embodiment.
FIG. 9 is a schematic perspective view of a case body and a sliding door type door device in another embodiment.
FIG. 10 is an enlarged sectional view taken on line XX of FIG. 9;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Case main body 1a Openings 4, 5 Door 6 Supporting means 7 Front and rear sliding support 8 Packing 10 Driving means 11 Running roller 12 Main body frame 14 Sliding shaft 15 Auxiliary frame 16 Moving block 18 Suspension bolt 21 Bracket 22 Pulling engagement Pin 24 Guide engagement pin 26 Actuator 27 Pull lever

Claims (3)

At least two sets of rails are arranged along the front surface of the main body such as a display case, and the sliding door is supported via supporting means so as to be movable to the left and right sides along each of the rails.
Said one at least upper portion of the support means of said door definitive other than the set of rails set, by horizontally moving back and forth the door in the thickness direction of the longitudinal direction perpendicular to the door of the corresponding rail and the other set of rails The front and rear sliding support part that can be arranged flush with the door in
Wherein the main body side, Oite all doors in the closed position flush shape, the door in the set of rails other than the one set, the door and flush with the said other set of rails approach A sliding door device in a display case or the like, comprising a driving means for operating in a contacting / separating direction between a state and a state of being separated in a thickness direction of the door. At least two sets of rails are arranged along the front surface of the main body such as a display case, and the sliding door is supported via supporting means so as to be movable to the left and right sides along each of the rails.
The heights of the rails of each set are arranged differently, and at least the support means at the upper part of the door in each rail moves each door horizontally in the thickness direction of the door orthogonal to the longitudinal direction of the rail. A front and rear sliding support portion which can be arranged flush with the doors of the other sets of rails , and which allows the front and rear movable distance to be different for each set of rails,
Wherein the main body side, Oite the closed position of the door, and close state of the door in the set of rails other than the one set, the door and flush with the said other set of rails, the thickness of the door A sliding door device in a display case or the like, comprising a driving means for operating in a direction of coming and going with respect to a state in which the door is separated in a vertical direction . Claims moving distance in the thickness direction of the door of the sliding door is different doors of the sliding door type form and one group from each other, the plurality of groups, adjacent to the longitudinal direction of the rail, characterized in that arranged Item 3. A sliding door device in a display case or the like according to Item 2.

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