JP3337627B2 - Transparent door device for display cases - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a transparent door device in a display case in which the front of a case body such as a built-in display case installed in a museum or the like is opened and closed by a transparent door made of glass or the like. is there.

[0002]

2. Description of the Related Art Conventionally, the front surface of a case body of an exhibition case installed in a museum or the like has been hermetically sealed with a plurality of transparent doors made of glass plates or the like so as to be in a sealed state. JP-A-2-307408 discloses a configuration in which the transparent doors are shifted in a direction perpendicular to the wide surface to open the front surface of the case body with an interval between other transparent doors arranged. There are things.

In this configuration, a row of upper and lower fixed rails are arranged in a front opening of a case body, and a plurality of glass plates are arranged on the upper and lower fixed rails, and adjacent to an end of the fixed rail. Then, a dual rail body composed of upper and lower main movable rails and upper and lower auxiliary movable rails parallel to the main movable rail is arranged, and the dual movable rail body is selectively fixed by the main movable rail and the sub movable rail. A rail drive mechanism for driving the front and rear to move in a straight line with the rail is provided, and the upper and lower main movable rails hold a glass plate which is flush with the glass plate on the fixed rail side.

According to this configuration, the glass plates located at the upper and lower main movable rail portions of the dual rail body are retracted to the fixed rail side in a state where the sub movable rail is retracted so as to be linear with the fixed rail. When the located glass plate is laterally moved to the sub movable rail, an opening can be formed between the plurality of glass plates in the fixed rail.

[0005]

However, in this configuration, in order to form an opening at a position of the glass plate located on the fixed rail far from the dual rail body, the glass plate at a position closer to the fixed rail is sequentially fed. There has been a problem that it has to be moved laterally in the direction of the sub movable rail, which takes too much time.

According to the present invention, a transparent door device in a display case which can easily and widely open a transparent door such as a glass plate arranged at an arbitrary position on the front surface of a display case main body, solving the above-mentioned conventional problems. The purpose is to provide.

[0007]

In order to achieve the above object, a transparent door device in a display case according to the first aspect of the present invention comprises a plurality of sets of glass plates arranged on the same reference plane on the front surface of a case body. And at least one set of transparent doors is moved in parallel to the thickness direction of the transparent doors, and then is moved in parallel so as to overlap the wide surface of the other set of transparent doors. In the case, supporting means for supporting the hanging support at the upper end of each set of transparent doors so as to be movable back and forth,
While each of the sets is movably supported along the corresponding upper rail, each of the support means is provided with guide means capable of horizontally moving the hanging support in the front-rear direction with respect to the thickness direction of the door. At the closing position of the transparent door, there are provided position regulating means for setting the supporting means to the closing position, and driving means for horizontally moving the hanging support in the front-rear direction with respect to the thickness direction of the transparent door via the guiding means. The support means is closed
While forming a fitting part for positioning, the position regulation
The means moves back and forth in the thickness direction of the transparent door with respect to the fitting portion.
It is provided with a positioning engagement body .

According to a second aspect of the present invention, there is provided a transparent door device in a display case, wherein a plurality of sets of transparent doors such as glass plates arranged on the same reference plane on the front surface of the case body are transparent for each set. In the display case, which is configured to be movable parallel to the thickness direction of the door and then to be able to move in parallel so as to overlap the wide surface of the other set of transparent doors, the upper end of each set of transparent doors is suspended. While supporting means for supporting the support movably back and forth is movably supported along the upper rail corresponding to each set, the support means includes the hanging support in the thickness direction of the door. A guide means is provided which is movable horizontally in the front-rear direction, and the distance in which the front-rear movement is possible is different for each set of rails, and the support means is set at a closed position of the transparent door in the case body. Position regulating means and the guiding means A driving means for horizontally moving back and forth to hanging支体the thickness direction of the transparent door, the support hands
In the step, while forming a fitting part for closing positioning,
The position regulating means is provided with a thickness of the transparent door with respect to the fitting portion.
It has a positioning engagement body that moves forward and backward in the direction .

According to a third aspect of the present invention, in the transparent door device of the display case according to the first or second aspect, the upper end of the transparent door is suspended by a suspension.
The support means is provided with a guide for guiding the suspension support to move back and forth by a predetermined distance when moving left and right along the longitudinal direction of the upper rail, and the driving means moves the guide in the left and right direction. It is configured to be forcibly moved.

According to a fourth aspect of the present invention, in the transparent door device for a display case according to any one of the first to third aspects, the positioning engagement body is provided with a drive actuator.
The thickness of the transparent door with respect to the fitting part by the tutor
It is configured to move forward and backward in the direction .

[0011]

Next, embodiments of the present invention will be described. FIG. 1 is a perspective view of a transparent door device in a display case of the present invention, FIGS. 2A to 2C are operation explanatory views taken along the line II-II of FIG. 1, and FIG. FIGS. 4 and 5 are side sectional views of a mechanism for moving the upper portion of the transparent door in the first embodiment in the front-rear direction.

Next, the first set of transparent doors A1, such as a glass plate,
A2 and the second set of transparent doors B1 and B2 such as glass plates,
A transparent door that can be arranged flush with the front opening of the case body 1 of the display case 1 (see FIG. 2A) and that can be opened at any transparent door (see FIG. 2C). The device will be described.

At the upper portion of the front side (opening side of the frontage) of the case body 1 such as a built-in display case, the upper portions of the first set of transparent doors A1 and A2 are suspended and supported, respectively. The first upper rail 2 which supports the left and right movable along the upper part, and the second upper part which supports the upper parts of the second set of transparent doors B1 and B2 by suspending and supporting the left and right movable along the frontage of the case body 1 respectively. The rails 3 are fixedly arranged in parallel with each other.

As shown in FIG. 5, the second upper rail 3 is disposed at a position closer to the front of the case body 1, and the first upper rail 2 is located on the back side of the case body 1 with respect to the second upper rail 3. Shall be located.

As shown in FIG. 2 (a), the first and second rails 2 and 3 are movable along the rails 2 and 3 respectively.
The set of transparent doors A1, A2 and the second set of transparent doors B1, B2 are alternately arranged in the left-right direction when the frontage of the case body 1 is closed flush.

When the transparent doors are opened from the state where they are flush with each other, the respective transparent doors are referred to as reference planes K on the front surface of the case body 1 (the same vertical planes which are arranged flush with each other). Then, it is advanced by a predetermined amount in the forward direction with respect to a surface where each transparent door is in close contact with a seal packing 9 inside the case body 1 described later.

In the embodiment, the advance S1 of the first set of transparent doors A1, A2 is small (10 mm in the embodiment), and the advance S2 of the second set of transparent doors B1, B2 with respect to the reference plane K is large ( It is set to be 45 mm in the embodiment.

The lower end of the first set of transparent doors A1, A2 is connected to the inner rail C of the two rails C1, C2 shown in FIG.
The lower end of the second set of transparent doors B1, B2 is supported by the first lower support means 5 slidably supported by the outer rail D2 of the two sets of rails D1, D2 shown in FIG. Is supported by the second lower supporting means 6 slidably supported by the second lower supporting means 6.
The amount of forward and backward movement of the first lower support means 5 is set to be small, similarly to the advance amount S1, and the amount of forward and backward movement of the second lower support means 6 is set to be large, similarly to the advance amount S2.

FIG. 4 is a side sectional view of a mechanism of the upper support means 4 for respectively supporting the upper ends of the first set of transparent doors A1 and A2, and FIG. 5 is an upper end of the second set of transparent doors B1 and B2. 2 is a sectional side view of the mechanism of the upper support means 4 for respectively supporting the components. The first set and the second set are different only in a transition guide groove 20a (20b) formed in a slide plate 20 as guide means to be described later, and have substantially the same other configuration. The configuration of the means 4 will be described below.

The upper edge of the transparent door A1 is long in the frontage direction (left-right direction) and has an H-shaped upper edge member 10 and a packing 1
1 and a bolt-shaped suspending body 13 is erected on the upper edge member 10 via a horizontal pin 12. The upper part of the suspension support 13 is fixed to the front-rear sliding support block 14 by screwing or the like.

The back and forth sliding support block 14
Is supported by a pair of left and right sliding support shafts 16 and 16 slidably forward and backward through a slide bearing or a circulator at substantially right and left substantially central portions of a support frame 15 having an open lower surface. It is configured so as to be horizontally movable in the front-rear direction (direction of coming into contact with and separating from the opening of the frontage) along the thickness direction.

At the upper end of the support frame 15, a plurality of vertical rolling rollers 17 and a plurality of horizontal rolling rollers 18 are mounted.
These vertical rolling rollers 17 are formed into a first U-shaped cross section.
By rolling on the lower plate of the upper rail 2, the transparent door A
1 is supported so as to be able to move left and right in parallel with the opening of the frontage of the case body 1, and the horizontal rolling rollers 18 roll on the front and rear inner surfaces of the first upper rail 2 to swing in the front and rear directions above the transparent door A <b> 1. Has been prevented.

In the embodiment shown in FIG. 3, the upper part of one transparent door A1 (A2) is connected to the two support frames 15,15.
, And one to four support frames 15 depending on the size of the frontal direction of the transparent door.
It is possible to support it.

A sliding plate 20 as a guide means (guide) for guiding the suspension support 13 and thus the longitudinal slide support block 14 in the longitudinal direction is provided below the longitudinal slide support block 14. It is arranged between the inner surfaces of the front and rear walls of the support frame 15. The guide rollers 21 mounted on the slide plate 20 are sandwiched between a pair of horizontally long upper and lower guide rails 19, 19 fixed to the inner surfaces of the front and rear walls of the support frame 15, and are slidably contacted so as not to fall off and to be movable left and right. , Sliding plate 2
0 enables smooth lateral movement and prevents meandering.

The hanging support 13 and the sliding plate 20 are
It is associated that the suspension support 13 is forcibly moved by a predetermined distance in the front-rear direction when the sliding plate 20 moves a predetermined distance in the left-right direction via a transition guide groove described later. That is, as shown by a solid line in FIG. 6, the small distance S
A transition guide groove 20a is formed so as to be displaced by one, and the transition guide groove 20a is configured so that an intermediate portion in the vertical direction of the hanging support 13 penetrates.

FIG. 5 shows the upper support means 4 for the second set of transparent doors B1 and B2. The support position of the support frame 15 with respect to the second upper rail 3 is different from that of the support frame 15 with respect to the first upper rail 2. The position is slightly different from the suspension position, and the displacement amount of the transition guide groove 20b formed in the slide plate 20 is set to a large distance S2 as shown by a two-dot chain line in FIG. Other configurations are substantially the same as those for the first set of transparent doors, and thus the same components are denoted by the same reference numerals and detailed description thereof will be omitted.

Next, referring to FIGS. 4 to 8, the closing positions of the transparent doors A1, A2, B1, and B2 (the openings of the case body 1 are flush with each other). A position restricting means 24 for positioning and stopping the support frame 15 as the upper supporting means at a position (closed so as to be in close contact with the seal packing 9); Move each transparent door from the reference plane K to the distance S
The sliding plate 20 as the guiding means (guiding body) is opened to the front of the case body 1 by only 1 and S2.
The drive means 25 for forcibly moving the front and rear sides of the frontage is described.

When a plurality of support frames 15 are used, one slide plate 20 is forcibly moved by connecting the slide plates 20 of the adjacent support frames 15 with a horizontally long connecting member 26. Thus, the sliding plates 20 in all the support frames 15 can be forcibly driven at the same time, and the configuration can be simplified.

First, as shown in FIGS. 6 and 8, a fitting groove 27a is formed on the upper surface of one support frame 15 for each transparent door so as to open toward the depth of the case body. The fitting body 27 is fixed.

On the other hand, as shown in FIGS. 6 to 8, the position restricting means 24 is fixed behind the one support frame 15 at the closed position of each transparent door (on the rear side of the upper rails 2, 3). A moving block 29 provided on the frame 28 so as to be movable back and forth.
And a positioning motor 30 which can be fitted into the fitting groove 27a and which can be fitted in the fitting groove 27a, and a forward / reverse rotatable driving motor 31 as a driving actuator of the moving block 29. More specifically, a pair of left and right sliding shafts 33 provided at the upper end of the moving block 29 are suspended on the supporting block 32 fixed to the lower surface of the fixed frame 28 so as to be able to slide back and forth. The pinion 35 meshing with the rack 34 is driven by a drive motor 31 provided on the lower surface of the fixed frame 28.

In this case, the sliding shaft 33 and the moving block 29
It is preferable to interpose a slide bearing or a circulator for reducing the sliding resistance between the bearings.

With these arrangements, when the disc-shaped positioning engagement body 30 formed of a roller bearing or the like advances in the thickness direction of the transparent door and is fitted into the fitting body groove 27a (see the two-dot chain line in FIG. 8), the support is provided. The frame 15 can be prevented from moving left and right and can be positioned at the closed position. When the positioning engagement body 30 retreats and separates from the fitting body 27 (see the solid line state in FIG. 8), the support frame 15 and thus each transparent door can be moved along the upper rails 2 and 3.

The drive means 25 includes a chain 41 wound around chain sprockets 39 and 40 attached to a drive longitudinal axis 37 and a driven longitudinal axis 38 disposed on the lower surface of the fixed frame 28 on the left and right, respectively. A pressing piece 45 fixed to the chain 41 is composed of a worm wheel 44 engaged with a worm 43 driven by a forward / reverse rotatable drive motor 42 fixed to the lower surface and attached to the drive longitudinal axis 37.
Presses the pressed piece 46 protruding from the rear side of the sliding plate 20 to the right or left to realize the forced movement of the sliding plate 20 to the left or right.

That is, in the solid line state of FIG. 6, the chain 41 rotates counterclockwise, and the pressing piece 45 is
The sliding plate 20 is pushed right through the
When the left end of Oa is fitted on the hanging support 13, the hanging support 1
3 by pushing the transparent door A1 (A2) by the distance S1 in the direction of the reference plane K, so that the transparent door A1
The back surface of (A2) can be pressed and sealed. Conversely, when rotating the chain 41 clockwise, when the pressing piece 45 pushes the sliding plate 20 to the left via the pressed piece 46 and the right end of the transition guide groove 20a fits on the hanging support 13,
The suspension support 13 and thus the transparent door A1 (A2) are
(Seal packing 9) is pushed and opened by a distance S1 in a direction away from (seal packing 9).

In the case of the second set of transparent doors B1 and B2, the amount of displacement in the front-rear direction at the right end and the left end of the transition guide groove 20b while moving the sliding plate 20 left and right by the same amount as described above. Is the distance S2.

As shown in FIG. 6, when the home position sensor 80 disposed on the rear side of the winding of the chain 41 detects the pressing piece 45 located on the front side, the rotation of the chain 41 is stopped. Home position. When the first sensor 82 detects the auxiliary piece 81 fixed to the opposite side of the position where the pressing piece 45 is attached to the chain 41, the sliding plate 20 moves rightward to move the transition guide groove 20a. Is detected (the position where the transparent door is in close contact with the seal packing 9) at the left end of the second sensor 8.
3 detects the auxiliary piece 81, the sliding plate 20
Is moved to the left, and the suspension support 1 is attached to the right end of the transition guide groove 20a.
3 is located, and the open state of the transparent door can be detected.

Next, the structure for supporting and moving the lower ends of the transparent doors A1, A2, B1, B2 will be described.

FIG. 9 is a side sectional view of the mechanism of the first lower support means 5 for supporting the lower ends of the first set of transparent doors A1 and A2, respectively. FIG. 10 is a sectional view of the second set of transparent doors B1 and B2. FIG. 4 shows a side sectional view of a mechanism of a second lower support means 6 for supporting each lower end. In the first set and the second set, a left and right sliding plate 5 as a support position of a lower end portion of each transparent door with respect to two lower rails C1, C2 (D1, D2), which will be described later, and guide means.
1 is the displacement amount S of the transition guide groove 51a (51b)
Although there is a difference between S1 and S2, the other configurations are almost common. Therefore, the configuration of the first lower support means 5 will be described below with the transparent door A1 as a representative.

In the illustrated embodiment, S1 = 10 mm,
S2 = 45 mm, two lower rails C1, C2 (D1,
The arrangement interval in D2) is 35 mm.

As shown in FIG. 3, one transparent door A1 (A
The lower part of 2) is configured to be supported via the two lower support frames 53, 53, but one to four lower support frames 53 are provided depending on the size of the frontal direction of the transparent door. It is possible to support.

The lower rails C1 and C2 (D
1, D2), the length of each transparent door A1, A2, B1, B2
When the size is almost equal to the width direction of the front door, one transparent door is stored in one lower rail. The plurality of transparent doors can be stored flush with the lower rail.

As shown in FIG. 9, in a lower support frame 53 fixed on a fixed frame 52 and having an upwardly open U-shaped cross section, guide means for guiding the transparent door to move in the front-rear direction. Left and right sliding plates 51 as guides are arranged between the inner surfaces of the front and rear walls of each of the lower support frames 53.

The four guide rollers 54 mounted on the left and right sliding plates 51 are sandwiched between a pair of horizontally long upper and lower guide rails 55, 55 fixed to the inner surfaces of the front and rear walls of the lower support frame 53, so that they cannot drop off and can move left and right. The sliding contact allows the left and right sliding plates 51 to move smoothly and laterally and prevent meandering.

The left and right sliding plates 51 for the first set of transparent doors A1 and A2 are provided with transition guide grooves so as to be shifted by the small distance S1 in the front-rear direction at the left and right ends as shown by the solid lines in FIG. The transition guide groove 51a is formed so that an intermediate portion in the vertical direction of a vertical support shaft 56 to be described later penetrates the transition guide groove 51a.

A front / rear sliding block 57 attached to the upper end of the vertical support shaft 56 is provided with a pair of left and right sliding support shafts 58, 58 which are long in the front and rear at substantially the center of the lower support frame 53 in the left and right directions. Are supported so as to be able to slide back and forth. On the mounting plate 59 on the upper surface of the front / rear sliding block 57, two front and rear upwardly open lower rails C1 and C2 are fixed. A lower edge member 61 is provided along the lower edge of each transparent door A1 (A2) via a packing 60, and a horizontal guide roller 63 is attached to a lower end of a bolt 62 projecting downward from the lower edge member 61. And the transparent door A1
In the case of (A2), the horizontal guide roller 63 is slidably fitted to the lower (inner) lower rail C1 of the two lower rails.

Next, a description will be given of the driving means 64 for forcibly moving the transparent door A1 (A2) horizontally in the thickness direction thereof in the front-rear direction (direction in which the transparent door A1 (A2) comes into contact with or separates from the opening of the frontage). .

The drive means 64 includes a chain 69 wound around chain sprockets 67 and 68 attached to a vertical drive shaft 65 and a vertical driven shaft 66 disposed on the lower surface of the fixed frame 52 on the left and right, respectively. A worm wheel 72 attached to the vertical drive shaft 65 meshes with a worm 71 driven by a forward / reversely rotatable drive motor 70 fixed to the lower surface, and is formed continuously from the left and right sliding plates 51 so as to project downward. The piece 73 is the fixed frame 52 and the lower support frame 5.
3 is connected to the rear side of the chain 69 through an insertion groove 74 formed in the lower plate in the horizontal direction, and to the left and right of the left and right sliding plate 51 according to the forward rotation and the reverse rotation of the drive motor 70. Is realized. (FIGS. 9 to 12
reference).

Therefore, in FIG. 11, the chain 69 is rotated counterclockwise to move the left and right sliding plate 51 rightward through the connecting piece 73, and the left end of the transition guide groove 51a is vertically supported. When the transparent door A1 (A2) is fitted on the shaft 56, the transparent door A1 (A2) is pushed by the distance S1 in the reference plane K direction, and the lower surface of the transparent door A1 (A2) is pressed against the lower seal packing 75 to be sealed (solid line state in FIG. 9). reference). Conversely, chain 69
When the clockwise rotation is performed, the left and right sliding plates 5
When the right end of the transition guide groove 51a is fitted on the vertical support shaft 56 by pushing the left side of the transparent guide A1, the transparent door A1 (A2) is moved to the reference plane K.
Distance S1 away from (lower seal packing 75)
Just push and release.

In the case of the second set of transparent doors B1 and B2, while the left and right sliding plates 51 are moved to the left and right by the same amount as described above, the transition in the front-rear direction at the right end and the left end of the transition guide groove 51b. The amount becomes the distance S2 (see the two-dot chain line in FIG. 11).

[0050] In the embodiment of the one transparent door A1 (A
2, B1, B2), two lower support frames 52, 52
Are arranged, and the left and right sliding plates 51, 51 of the lower support frames 52, 52 are connected by a connecting rod 76.
The driving means 6 is provided only on one lower support frame 52 side.
4, the left and right sliding plates 51 in all the lower support frames 52 can be forcibly driven at once by forcibly driving one of the left and right sliding plates 51 by the operation of the driving means 64, and the configuration can be simplified. Things.

FIG. 10 is a cross-sectional view of the support means at the lower end of the second set of transparent doors B1 and B2.
The lower end of 2) is slidably supported by the outer rail D2 of the two rails D1 and D2 of the second lower support means 6 shown in FIG. The left and right sliding plates 51
Is different from that of the first set of transparent doors only in that the displacement amount S2 of the transition guide groove 51b formed in the first set is set to be large. Detailed description is omitted.

The vertical drive shaft 65 and the vertical driven shaft 66
A pair of left and right sensors 96 arranged on a support frame or the like for supporting
By detecting the auxiliary piece 98 fixed to the chain 69 at 97, the left-right moving end of the left-right sliding plate 51 can be detected.

Further, as shown in FIGS. 9 and 10, the transparent doors A1 and B2 are moved from a state where they are flush with each other (solid line state) to an open state (the transparent doors A1 and B2 are advanced by a predetermined distance). In order to perform this, it is necessary to provide a gap between the seal packing 75 and the rear edge of the handrail plate 77 disposed at a position facing the seal packing 75 (on the front side of the case body 1 and on the viewer side). However, in a state where the transparent doors A1 and B2 are arranged flush with each other, the gap is large, so that an inconvenience occurs such as a viewer inadvertently dropping an article into the gap. The closing means 90 is provided.
The closing means 90 connects the base end side of the flap plate 91 to the lower rear portion of the handrail plate 77 via a horizontal shaft 92 so as to be vertically rotatable, and a link mechanism 93 and a screw rod for driving the link mechanism 93. 94 and a rotation drive motor 95 thereof.

With this configuration, as shown in FIG. 2 (a), from the state where the front opening of the case body 1 is closed so that the four transparent doors A1, A2, B1 and B2 are flush with each other.
In order to form the open portion, first, the tip of the flap plate 91 of the closing means 90 is lowered downward and turned to open a predetermined gap between the seal packing 9 and the opening. Next, the upper and lower drive means 25 and 64 in all the transparent doors are operated. In other words, the drive motor 31 on the upper side is operated to retreat the positioning engagement body 30 from the fitting groove 27a to release the engagement with the fitting body 27. In addition, the upper driving means
By operating the drive motor 42 in 25 , the chain 41
The sliding plate 20 is forcibly moved to the left from the position shown in FIG.
When the suspender 13 is positioned on the right end side of b), the upper end of each transparent door moves forward by the distances S1 and S2 via the suspender 13 and the front-rear sliding support block 14 (FIG. 4).
And the two-dot chain line in FIG. 5).

On the other hand, when the drive motor 70 of the lower drive means 64 is operated to forcibly move the left and right slide plates 51 from the position shown in FIG. Since the vertical support shaft 56 is located on the right end side of the transition guide groove 51a (51b), the two lower rails C1, C2, D1, D2
Also moves forward by the predetermined distances S1 and S2 (see the two-dot chain lines in FIGS. 4 and 5).

In this state, as shown in FIG.
The lower rail C1 of the first set of transparent doors A1 and A2 and the lower rail D1 of the second set of transparent doors B1 and B2 are arranged in a line so that the horizontal guide roller 63 at the lower end of each transparent door can be inserted. The lower rail C2 in the first set and the lower rail D2 in the second set are arranged in a line so that the horizontal guide roller 63 at the lower end of each transparent door can be inserted. Since the lower end of the second set of transparent doors B1 and B2 is located on the lower rail D2, as shown in FIG. 2C, one transparent door B1 is placed in front of the first set of transparent doors A1. After being manually moved from the lower rail D2 toward the lower rail C2 so as to be located, the transparent door B2 is sequentially moved to a place where the transparent door B1 was. Furthermore, the transparent door A located at the end
2 moves laterally after passing through the lower rail C1 and lower rail D1 in a row, the four transparent doors overlap in two rows in front and rear, and among the front openings of the case body 1, as shown in FIG. The right half is open as shown, and vice versa. In FIG. 2B, when the transparent door B1 is moved to the left and the transparent door B2 is moved to the right, the central portion of the front opening of the case body 1 can be largely opened.

In order to close the transparent doors, the operations may be performed in the reverse order of the above operation.

In the illustrated embodiment, two sets of transparent doors have been described. However, in the case of three sets of transparent doors, three upper rails are provided, and the displacement amount of the transition guide groove in each sliding plate 20 is reduced. All you have to do is prepare three different types of things. Further, means for moving the upper part of each transparent door along the upper rail may be forcibly driven by a chain, a drive motor, or the like.

In the illustrated embodiment, the first set of transparent doors A1 and A2 are moved forward so as to be slightly away from the seal packings 9 and 75.
A2 is fixed while being kept in contact with the seal packings 9, 75, and therefore does not include the front-rear drive means or the upper rail 2,
Only the second set of transparent doors B1, B2 may be configured to be able to move back and forth and to move along the frontage direction.

[0060]

As described above, the transparent door device in the display case or the like according to the first aspect of the present invention is a transparent door device such as a plurality of sets of glass plates disposed on the same reference plane on the front surface of the case body. In the display case, at least one set of the transparent doors is moved in a parallel manner in the thickness direction of the doors, and then is movable in a parallel manner so as to overlap the wide surface of the other set of the transparent doors. The supporting means for supporting the hanging support at the upper end of the transparent door of each set so as to be movable back and forth is movably supported along the upper rail corresponding to each set, while the supporting means includes A guide means for horizontally moving the suspension support in the front-rear direction with respect to the thickness direction of the door, a position regulating means for setting the support means to a closed position at a closed position of the transparent door in the case body; Through the means of hanging the transparent support to the thickness of the door A driving means for horizontally moving back and forth with respect to direction, said the support means, for the closure position
While the fitting portion is formed, the position regulating means
Positioning engagement that moves back and forth in the thickness direction of the transparent door
It has a body .

In the present invention, one set of transparent doors moving along one rail does not have to move back and forth in the thickness direction of the transparent door, but another set of transparent doors moving along another rail. The transparent door can be guided so as to be able to move back and forth horizontally by guide means provided on a support means for supporting a hanging support at the upper end of the transparent door, and this guide means is moved to a closed position on the case body side. The transparent door is moved horizontally in the thickness direction by the provided driving means. In addition, in the closed position, by providing the position restricting means, it is possible to reliably stop each transparent door at a place where it should be flush.

[0062] Then, the driving means is Oite the closed position of the transparent door, in the thickness direction of the transparent door simply moving horizontally back and forth, the one set of the transparent door and another set of transparent door and the same vertical The front opening of the main body of the display case so as to be a surface, and the one set of transparent doors and the other set of transparent doors are located on different movement paths, and the two sets of transparent doors are moved back and forth. An effect can be obtained that the opening can be greatly opened by moving along each rail in a state of being overlapped in the direction (the thickness direction of the transparent door).

According to the position restricting means having this configuration,
The positioning engagement body is a transparent door with respect to the fitting part on the support means side.
It only moves back and forth in the thickness direction, so its movement range is
The effect of reducing the size and making the mechanism compact
To play.

Further, in the transparent door device in the display case according to the second aspect of the present invention, a plurality of sets of transparent doors such as glass plates arranged on the same reference plane on the front surface of the case body are transparent for each set. In the display case, which is configured to be movable parallel to the thickness direction of the door and then to be able to move in parallel so as to overlap the wide surface of the other set of transparent doors, the upper end of each set of transparent doors is suspended. While supporting means for supporting the support movably back and forth is movably supported along the upper rail corresponding to each set, the support means includes the hanging support in the thickness direction of the door. A guide means is provided which is movable horizontally in the front-rear direction, and the distance in which the front-rear movement is possible is different for each set of rails, and the support means is set at a closed position of the transparent door in the case body. Position regulating means and the guiding means A driving means for horizontally moving back and forth to hanging支体the thickness direction of the transparent door, the support hands
In the step, while forming a fitting part for closing positioning,
The position regulating means is provided with a thickness of the transparent door with respect to the fitting portion.
It has a positioning engagement body that moves forward and backward in the direction .

In the present invention, the supporting means for supporting the transparent doors so as to move along the rails corresponding to each of the plurality of sets of transparent doors is provided such that the transparent doors can be horizontally moved back and forth with respect to the thickness direction. Guide means, and
Each guiding means, moving back and forth from the front and rear movable distance is configured to be different in each set of the transparent door, by a driving means, Oite the closed position of the transparent door, in the thickness direction of the transparent door If all the transparent doors are made to 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 transparent doors in the thickness direction is made different from the moving distance of the other set of transparent doors in the thickness direction, each of the transparent doors becomes different. The set of transparent doors can be moved in the frontage direction along the corresponding rail without interfering with each other, so that a large opening can be made at any position.

Then, it is not necessary to change the driving means only by changing the distance in which the guide means can be moved in the thickness direction of the transparent door, so that the structure is extremely simplified.

Also in this configuration, the position regulating means is on the support means side.
Positioning engagement body with respect to the fitting part in the thickness direction of the transparent door
Since it only moves forward and backward, similar to the case of claim 1,
The moving range is small and the mechanism can be made compact.
It has the effect of

According to a third aspect of the present invention, in the transparent door device of the display case according to the first or second aspect, the upper end of the transparent door is suspended by a suspension.
The support means is provided with a guide for guiding the suspension support to move back and forth by a predetermined distance when moving left and right along the longitudinal direction of the upper rail, and the driving means moves the guide in the left and right direction. It is configured to be forcibly moved.

According to this structure, the guide provided on each supporting means is moved only a predetermined distance along the longitudinal direction of the rail by operating the driving means, and the suspension at the upper end of each transparent door is transparent. Since the door is forcibly moved in the thickness direction of the door, the lateral movement of the guide body can be constant regardless of the magnitude of the longitudinal movement distance of each transparent door in the thickness direction, and the configuration of the driving means is also constant. Thus, there is an effect that the mechanism is simplified.

According to a fourth aspect of the present invention, in the transparent door device for a display case according to any one of the first to third aspects, the positioning engagement body is provided with a drive actuator.
The thickness of the transparent door with respect to the fitting part by the tutor
It is configured to move forward and backward in the direction .

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a case body and a transparent door device.

FIGS. 2 (a) to 2 (c) are action explanatory views each taken along line II-II in FIG. 1, and FIG. 2 (a) is a sectional view in which four transparent doors are closed flush. (b) is a cross-sectional view of a state in which the second set of transparent doors B1 and B2 are largely opened forward, and (c) is the first set.
A second set of transparent doors B1, B is provided in front of the set of transparent doors A1, A2.
2 is a sectional view showing a state in which the front part of the case main body is greatly opened by disposing 2.

FIG. 3 is a schematic front view of a partially cut upper and lower portion of a transparent door.

FIG. 4 is a side sectional view showing upper support means and the like of a first set of transparent doors A1 and A2.

FIG. 5 is a side sectional view showing upper support means and the like of a second set of transparent doors B1 and B2.

FIG. 6 is a plan view of a support unit, a position regulating unit, and a driving unit in a closed position.

FIG. 7 is a view taken along line VII-VII of FIG. 6;

FIG. 8 is a side sectional view taken along line VIII-VIII of FIG. 6;

FIG. 9 is a side sectional view of the lower support means of the first set of transparent doors A1 and A2.

FIG. 10 is a side sectional view showing a lower support means and the like of a second set of transparent doors B1 and B2.

FIG. 11 is a plan view taken along line XI-XI of FIG. 12;

FIG. 12 is a view taken along line XII-XII of FIG. 11;

[Explanation of symbols]

 A1, A2, B1, B2 Transparent door C1, C2, D1, D2 Lower rail 1 Case body 2 First upper rail 3 Second upper rail 4 Upper support means 5 First lower support means 6 Second lower support means 13 Suspension Body 14 Front and rear sliding block 15 Support frame 16 Sliding support shaft 17 Vertical rolling roller 20 Sliding plate 20a, 20b Transition guide groove 24 Position regulating means 25 Drive means 27 Fitting body 29 Moving block 30 Positioning engaging body 31 Drive motor 41 Chain 42 Drive motor 45 Pressing piece 46 Pressed piece

Continuation of the front page (56) References JP-A-8-299122 (JP, A) JP-A-4-244422 (JP, A) JP-A-3-63010 (JP, A) JP-A-7-269217 (JP) , A) Japanese Utility Model Application Hei 1-157869 (JP, U) Japanese Utility Model Application Hei 3-66377 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) E05D 15/10

Claims (4)

(57) [Claims] At least one set of transparent doors of a plurality of sets of transparent doors such as glass plates arranged on the same reference plane on the front surface of a case body is moved in parallel in a thickness direction thereof. In a display case configured to be able to move in parallel so as to overlap with the wide surface of the other set of transparent doors, a supporting means for supporting a hanging support at an upper end of each set of transparent doors so as to be movable back and forth, While each group is movably supported along an upper rail corresponding thereto, each of the support means is provided with guide means capable of horizontally moving the hanging support in the front-rear direction with respect to the thickness direction of the door. At the closing position of the transparent door, there are provided position regulating means for setting the supporting means to the closing position, and driving means for horizontally moving the hanging support in the front-rear direction with respect to the thickness direction of the transparent door via the guiding means. , The support means has a closed positioning Forming fitting part for
On the other hand, the position regulating means is transparent to the fitting portion.
A transparent door device in a display case, comprising a positioning engagement body that moves forward and backward in the thickness direction of the light door. 2. A plurality of sets of transparent doors, such as glass plates, arranged on the same reference plane on the front surface of the case body are moved in each set in a parallel manner in the thickness direction of the transparent doors, and then the other sets of the other doors are moved. In a display case configured to be movable in parallel so as to overlap with the wide surface of the set of transparent doors, a supporting means for supporting a hanging support at an upper end portion of each set of transparent doors so as to be movable back and forth is provided for each set. The support means is movably supported along an upper rail, and the support means is capable of horizontally moving the suspension support in the front-rear direction with respect to the thickness direction of the door, and sets the movable distance in the front-rear direction to a set of rails. A guide means is provided so as to be different for each case. At a closed position of the transparent door in the case main body, a position regulating means for setting the support means to the closed position, and a transparent hanging support through the guide means are provided. Drive that moves horizontally back and forth with respect to the thickness direction of the door Moving means , wherein the support means has a fitting portion for closing positioning.
On the other hand, the position regulating means is transparent to the fitting portion.
A transparent door device in a display case, comprising a positioning engagement body that moves forward and backward in the thickness direction of the light door. 3. An upper end of the transparent door is suspended by a suspension, and the support means moves the suspension back and forth by a predetermined distance when moving left and right along the longitudinal direction of the upper rail. The transparent door device in a display case according to claim 1, wherein a guide body for guiding the guide body is provided as described above, and the driving unit is configured to forcibly move the guide body in the left-right direction. 4. The driving actuator according to claim 1, wherein the positioning engagement body is a driving actuator.
In the thickness direction of the transparent door,
The transparent door device in a display case according to any one of claims 1 to 3, wherein the transparent door device is configured to move forward and backward .