JPH1136693A - Sliding door device for use with showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To widely open an arbitrary part of the oblong opening of a showcase. SOLUTION: Two pairs of upper and lower rails 2, 3 are placed in upper and lower positions in front of an opening, and a running roller 11 which runs across the tops and bottoms of the rails 2, 3 is supported on a main body frame 12. Longitudinally moving block 16 are supported, in such a way as to move freely in the horizontal direction perpendicular to the longitudinal direction of the rails, on a sliding shaft 14 supported against the main body frame 12 and an auxiliary frame 15, and doors 4, 5 are attached to the longitudinally moving blocks 16 via hanging bolts 18. The length of the sliding shaft 14 and a coil spring 17 are set such that the distance L2 which the door 5 can move is set to be about twice as long as the distance L1 which the door 4 can move in its cross direction. To close the doors, a drawing engagement pin 22 provided to project from the top of each moving block 16 is drawn toward packing 8, 9 by a drawing lever 27 which is turned horizontally by an actuator 26, so that the doors 4, 5 are closed together on the same vertical plane.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a configuration of a sliding door type door device in a display case or the like in which a front surface of a case body such as a display case installed in a museum or the like is opened and closed by a sliding door made of glass. Things.

[0002]

2. Description of the Related Art In a conventionally known sliding door with a sliding door, two rows of front and rear rails are arranged at the front opening of a case body, and the sliding door is moved along the frontage direction for each rail. It is fitted as much as possible. For this reason, in the state where the door is closed, the mating portion between the ends of the front and rear doors is
The airtightness must be ensured by overlapping in the depth direction of the case body, and there is a problem that the design appearance is unsightly. There is a problem that an opening having a dimension shorter than the dimension in the direction cannot be formed.

In order 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 a front surface of a case body, and the fixed wall is parallel to the surface of the fixed wall. A sliding door is movably mounted on a rail arranged in a shape via a horizontal operation mechanism having a traveling bogie section, while the traveling bogie section has a position on the same surface as the fixed wall, Forward and backward guide means capable of moving the sliding door type door in the thickness direction at a position in front of the surface,
There is disclosed an apparatus having a front-rear direction driving means for moving the sliding door in a thickness direction by a motor, a bell crank lever, and the like.

According to this configuration, the sliding door is fitted and fixed on one side of the fixed wall in the same plane as the wall surface, thereby improving the appearance and maintaining the airtightness.
After moving the sliding door to the front of the case body along its thickness direction by the front-rear direction driving means, the sliding door is moved by the horizontal operation mechanism so as to overlap the front side of the fixed wall, and the case body is moved. It is stated that an opening having the same width as the width (width) of the sliding door can be opened on the front surface.

[0005]

However, in the above configuration, there is a problem that the width of the opening cannot be increased due to the presence of the fixed wall. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned conventional problems and to provide a sliding door type door device in a display case or the like which can open the opening of the display case body widely while having a good appearance. .

[0006]

According to a first aspect of the present invention, there is provided a sliding door device for a display case or the like according to the first aspect of the present invention, wherein at least two sets of rails are provided along a front surface of a main body of the display case or the like. And a sliding door is supported via the supporting means so as to be movable to the left and right sides along each of the rails, while the supporting means for the rails other than the one set includes doors. A front-rear sliding support portion is provided that enables the front-rear horizontal movement with respect to the thickness direction of the door orthogonal to the longitudinal direction of the rail, and the main body side has the door closed at the closed position, and the door is moved relative to the closed position. It is provided with driving means for operating in the approaching / separating direction.

According to a second aspect of the present invention, at least two sets of rails are arranged along a front surface of a main body of a display case or the like, and a sliding door is provided with support means. The doors are supported so as to be movable to the left and right sides along the respective rails via the respective rails. It is movable, and a front-rear sliding support portion is provided in which the front-rear movable distance is different for each set of rails, and on the main body side, the door is closed with respect to the closed position. It is provided with driving means for operating in the approaching / separating direction.

According to a third aspect of the present invention, there is provided the sliding door device of the display case or the like according to the second aspect, wherein a plurality of sliding doors having different moving distances in the thickness direction of the sliding door are provided. In one set, a plurality of sets are arranged adjacent to each other in the longitudinal direction of the rail.

[0009]

Next, embodiments of the present invention will be described. FIG. 1 is a perspective view of a sliding door type door device of the present invention, and FIG. 2 is a schematic side sectional view of a first embodiment. Front side of case body 1 such as an exhibition case (opening 1a of frontage)
Side), two sets of rails 2, 3 in pairs
Is arranged. The vertical interval between the first pair of upper and lower rails 2 and 2 is shorter than the vertical interval between the second pair of upper and lower rails 3 and 3. Then, 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).

As shown in FIGS. 7A and 7B,
A first group of sliding doors 4 # that can move to the left and right sides along the first set of rails 2 and 2, and a second group of sliding doors that can move to both left and right along the second set of rails 3 and 3. When the front door 1a of the case body 1 is closed, the two groups of sliding doors 5 are alternately arranged in the left-right direction. Each door 4,
Numeral 5 is a transparent glass plate, and the upper and lower portions of the doors 4, 5 are movable along the upper and lower pairs of rails 2, 2 or 3, 3 via the support means 6, respectively. The support means 6 includes a front and rear sliding support portion 7 which enables the doors 4 and 5 to move horizontally in the thickness direction thereof in the front and rear direction (the direction in which the doors 4 and 5 move toward and away from the opening 1a of the frontage). ing.
Further, the movable distance L1 of the first group of sliding doors 4 in the front-rear direction can be set.
, The movable distance L in the longitudinal direction of the sliding doors 5 of the second group
2 (> 2 × L1) is set to be long, and the first group of sliding doors 4 is separated from the packings 8 at the upper and lower positions arranged in front of the opening 1a of the case main body 1 so as to be separated from each other. When the sliding doors 5 of the second group are moved in the forward direction so as to be separated from the packings 9, 9 at the upper and lower positions similarly arranged on the front surface of the opening 1 a of the case body 1 in the state where the doors 5 are moved in the vertical direction. As shown in FIG. 2, the second group of sliding doors 5 can be positioned in front of the first group of sliding doors 4.

In the closed position where the opening 1a of the case body 1 is closed by the sliding doors 4 of the first group and the sliding doors 5 of the second group, the doors 4 and 5 are in the same vertical position. The packings 8 and 9 are tightly sealed so as to be positioned in a plane (see FIG. 6). To this end, a drive means 10 is provided at the closed position of each of the doors 4 and 5 to actuate each door in the direction of contact and separation with respect to the closed position, as described later.

In the first embodiment, since the upper and lower support means 6, the front and rear sliding support section 7 and the drive means 10 of each group of the doors 4 and 5 have basically the same structure, the sliding doors of the first group are provided. A representative example for the door 4 of the type will be illustrated and described below. The support means 6 shown in FIGS. 2 to 5 is for the right and left sides of the upper part of the door 4 and has a vertically elongated rail 2.
A plurality of pairs of traveling rollers 11 sandwiching the upper and lower end surfaces (mountain shape) from above and below are formed in the vertical plate-shaped main body frame 1 in each support means 6.
2 are rotatably supported on the back surface of the vehicle 2 via axles 13. A plurality of (two in the embodiment) a front surface of the main body frame 12 and a U-shaped auxiliary frame 15 projecting from the front surface.
By supporting the front and rear ends of the sliding shaft 14, and sliding the front and rear moving block 16 on the sliding shaft 14,
The front-rear sliding support portion 7 is configured. 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.

The main frame 12 and the back-and-forth moving block 1
The longitudinal movement block 16 is elastically urged in a direction away from the packing 8 by, for example, fitting a coil spring 17 on the sliding shaft 14 between the sliding shaft 14 and the sliding shaft 14. 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.

A pulling engagement pin 22 is provided on a bracket 21 projecting upward from the front / rear moving block 16, and a guide engagement pin 24 is projected on a bracket 23 at an upper end of the main body frame 12. . A fixed beam 2 disposed above the upper rail 2 is located at the closed position of the door 4.
5, a pulling lever 27 horizontally rotated by an actuator 26 such as a rotary electromagnetic solenoid is disposed on the side close to the case body 1. 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 pull lever 27, and the pull engagement pin 22 is provided at the distal end side. A pull-in portion 29 is provided which comes into contact with. 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 support means 6 is regulated so as not to be inadvertently moved along the rail 2 (see the 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 toward 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 of the case main body to be sealed.

In the embodiment, the supporting means 6 is provided at two positions on the upper and lower sides of one door 4 (a total of four places).
And the pulling lever 27. The supporting means 6 and the front and rear driving means 10 are vertically symmetrical with respect to the upper and lower sides 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.

Next, the operation of the above configuration will be described. As shown in FIG. 7 (a), the opening 1a at the front of the case body 1 in the display case is connected to the first group of sliding doors 4 #. The second group of sliding door-type doors 5 # are alternately arranged, and the front and rear driving means 10 are actuated on the doors 4 and 5 so as to be on the same surface and closed. In this case, the doors 4 that are a group having a short front-rear stroke (a distance L1 that can be moved forward and backward) are operated so as to first come into contact with the packing 8, and then the doors 5 that are a group that has a long distance L2 that can be moved forward and backward are drawn. At this time, as shown in a plan sectional view of a main part of the doors 4 and 5 (FIG. 6),
Inviting step portions 30a, 30 to the side edges of the doors 4, 5 in the vertical direction.
By forming b, it becomes easy to seal the adjacent doors 4 and 5 on the same vertical plane.

Next, in order to open the front opening 1a of the case body 1, as shown in FIG.
Assuming that one door 4 and one door 5 are one set, first, the front / rear drive means 10 for the door 5 having a long front / rear movable distance L2 of the portion desired to be opened is operated, and the pulling lever 27 is moved as shown in FIG. Is rotated counterclockwise by the biasing force of the coil spring 17, the forward / backward moving block 16 moves leftward (forward) in FIG. 4 and FIG. 5 by the distance L <b> 2. Thereby, the door 5 is separated from the packing 9. To open one door 5 by the width of the door, it is only necessary 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).

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 then the right door 4 is moved relative to the door 5. Next, the front-rear drive means 10 for the adjacent door 5 is operated, the door 5 is moved forward by a distance L2 away from the packing 9, and then the front-rear drive means 10 for the door 4 having the front-rear movable distance L1 is moved. When the door 4 is moved away from the packing 8 and moved forward by a distance L1, the door 4 is moved rightward along the rail 2 in this state.
It is good to stop it so that it overlaps the back side of
(Refer to the state of the dashed line in (a).)

FIG. 7B shows one door 4 adjacent to each other.
An operation of changing one door 5 into one set, and changing the four sets and one left door 4 from a state in which the opening 1a of the case body 1 is closed to a state in which four doors are opened. In this case, in FIG. 7B, 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 operated, and
7 is rotated counterclockwise in FIG.
4 and 5 by the urging force of FIG.
To move leftward (forward) by the distance L2. Next, the front / rear drive means 10 for the other doors 4 except the right end door 4
When the pull lever 27 is rotated in the counterclockwise direction in FIG. 5, the forward / backward moving block 16 is moved leftward (forward) in FIGS. 4 and 5 by the distance L1 by the urging force of the coil spring 17. .

In this embodiment, both sets of rails 2, 2,
Although the groups 3 and 3 are on the same vertical plane, the group of the doors 4 and the group of the doors 5 have a wide surface (vertical surface) in a horizontal direction orthogonal to the longitudinal direction of the rails 2 and 3, Since the door 4 is displaced in the thickness direction of the door and is larger than the thickness of the door, the door 4 that moves right along the rail 2 and the door 5 that moves right along the rail 3 interfere with each other. Without
By moving the group of the doors 4 and 5 to the right of the frontage of the case body 1, a large opening can be opened as shown in FIG. 7B. Thus, any door 4,
By moving the set of five, any part of the frontage of the case body 1 can be opened at a multiple of the width of the door.

FIG. 8 shows another embodiment. In this embodiment, a vertical plane connecting a first pair of upper and lower pairs of rails 2, 2 is provided.
The vertical plane connecting the upper and lower pairs of rails 3 and 3 of the second set (however, the lower rails 2 and 3 are not shown in the drawing) is disposed so as 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. Also, the cross-sectional shape of the rails 2 and 3 may be rectangular,
It can be arbitrarily designed in a round bar shape (see FIG. 8), a pipe shape or the like.

In both of the above embodiments, the packings 8, 9 are used.
Is fixed to the case body 1 or the like, but may be of a movable type so that the packings 8, 9 are pressed against the back surfaces of the doors 4, 5 when the container is closed. Further, in the above embodiments, 2
The group of doors 4 and the group of doors 5 are movably supported by the pair of rails 2 and 3 on both the left and right sides, and the longitudinally movable distance of the longitudinally sliding support portion 7 is set in two stages of L1 and L2. However, as another embodiment, when three sets of doors are movably supported by the three sets of rails on the left and right sides, respectively, the forward and backward movable distance of the forward and backward sliding support portions 7 in each support means 6 is also increased. Long, medium and short
What is necessary is just to set it in steps, and in the case of four sets of rails, it is sufficient to set the forward and backward movable distance in four steps.

In the closed position of the door, the drive means for operating the door in the direction of approaching and separating from the closed position includes a drive motor capable of rotating forward and reverse, a link mechanism, and a link mechanism connected to the link mechanism. Known means may be employed, such as a configuration in which the door is formed of a pressing body that presses in the packing direction. Further, the two groups of doors 4 and 5 movable along the opening 1a of the frontage of the case body 1 are separated by the distance (L1 and L2) as described above.
However, a predetermined space 31 is required above and below the opening 1a of the frontage (see FIG. 10).
In a state in which all the doors 4 and 5 are closed in the same vertical plane (usually in an article display state), this space 31
From the side (outside) observing the exhibits inside, the case body 1
There is a problem that the front end is largely open over the entire length of the frontage, making the appearance unsightly, and foreign matter entering the case body 1 from outside via the space 31.

Therefore, as shown in FIGS. 9 and 10, the space 31 between the lower frame 32 of the opening 1a of the case body 1 and the front surfaces of the closed doors 4, 5 is opened and closed.
A cover body 33 which is rotatable up and down between a vertical state and a horizontal state with a hinge or the like on the lower side of the lower surface of the lower frame plate 32 is disposed over the entire length of the frontage of the case body 1, and the free end side of the cover body 33 A ridge-shaped packing 34 is attached to
The cover body 33 is rotated by an actuator (not shown) such as a forward / reverse rotatable motor. Although not shown, the upper frame and the door 4,
A cover body similar to the above may also be provided in the space 31 with the front surface of 5.

[0025]

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 has at least two sets of rails arranged along the front surface of the main body of the display case or the like. While the door of the type is supported so as to be movable to the left and right sides along each of the rails via the support means, each door is supported by a support means for a set of rails other than the one set. A front-rear sliding support portion that enables the front-rear horizontal movement with respect to the thickness direction of the door perpendicular to the direction, and the main body side is provided with the door closed in the closing position, and the door is moved in the closing / contacting direction with respect to the closing position. It is provided with driving means for operating.

In the present invention, the door moving along one set of rails does not move back and forth in the thickness direction of the door.
The door moving along the other set of rails can be moved back and forth in the thickness direction of the door via a front and rear sliding support portion provided on the support means, and the door is closed by the driving means at the door closed position. By operating the door in the direction of contact and separation with respect to the position, the front opening of the main body of the display case is closed in the same vertical plane as the one set of doors, and the one set of doors and other The doors of each set are located on different movement paths, and the doors of both sets are stacked in the front-back direction (thickness direction of the door) and moved along each rail to open the opening greatly. It has the effect of being able to.

According to a second aspect of the present invention, at least two sets of rails are arranged along the front surface of a main body of the display case or the like, and the sliding door is provided with support means. The doors are supported so as to be movable to the left and right sides along the respective rails via the respective rails. It is movable, and a front-rear sliding support portion is provided in which the front-rear movable distance is different for each set of rails, and on the main body side, the door is closed with respect to the closed position. It is provided with driving means for operating in the approaching / separating direction.

In the present invention, the supporting means for supporting the sliding door so as to move along each of the plurality of sets of rails includes a front and rear sliding member capable of horizontally moving the door in the front and rear direction with respect to the thickness direction. It has a dynamic support portion, and furthermore, since each longitudinal sliding support portion is configured so that the longitudinal movable distance is different for each set of rails, the driving means moves the door in the closed position of the door, If the doors are moved back and forth in the thickness direction so that all the doors have the same vertical plane shape, the frontage opening of the display case main body 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. .

According to a third aspect of the present invention, there is provided the sliding door device of the display case or the like according to the second aspect, wherein a plurality of sliding door type doors having different moving distances in a thickness direction of the sliding door type door are provided. Since the plurality of sets are arranged adjacent to each other in the longitudinal direction of the rail, operating the doors in the closing and opening directions for each set complicates the opening and closing operations of the doors. Without
This has the effect of being able to open and close easily 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 device.

FIG. 3 is an enlarged front view of a main part of a support part, a front-rear sliding support part, and a drive part, which are partially cut away.

FIG. 4 is an enlarged side sectional view of a main part of a supporting means, a front-rear sliding support part, and a driving 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, partially cut away.

FIG. 6 is a cross-sectional view showing a shape and an overlapping state of side end portions of two adjacent doors in a closed position.

7A and 7B are diagrams illustrating a positional relationship between 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 in another embodiment.

FIG. 9 is a schematic perspective view of a case main body and a sliding door type door device in another embodiment.

FIG. 10 is an enlarged sectional view taken along line XX of FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 1a Opening 4,5 Door 6 Supporting means 7 Front and rear sliding support part 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)

[Claims] At least two sets of rails are arranged along a front surface of a main body of a display case or the like, and a sliding door can be moved to both left and right sides along each of the rails via support means. On the other hand, the supporting means for a set of rails other than the one set is provided with a front and rear sliding support portion which enables each door to be horizontally moved in the front and rear direction with respect to the thickness direction of the door orthogonal to the longitudinal direction of the rail, A sliding door type door device in a display case or the like, comprising a driving means for operating the door in the closing / positioning direction with respect to the closing position at the door closing position on the main body side. 2. At least two sets of rails are arranged along a front surface of a main body such as a display case, and a sliding door is movable to the left and right sides along each of the rails via support means. On the other hand, the supporting means for each of the rails is capable of horizontally moving each door longitudinally in the thickness direction of the door orthogonal to the longitudinal direction of the rail, and varying the movable distance longitudinally for each rail set. Display case provided with the front-rear sliding support portion as described above, and a driving means for operating the door in the closing / positioning direction with respect to the closing position at the closing position of the door on the main body side. Sliding door device in such as. 3. A plurality of sliding doors having different sliding distances in the thickness direction of the sliding door are configured as one set, and the sets are arranged adjacent to each other in a longitudinal direction of the rail. The sliding door type door device in a display case or the like according to claim 2.