JP3357971B2 - Display case - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display case used for displaying various exhibits in an art museum or a museum.

[0002]

2. Description of the Related Art A typical example of a conventional apparatus of this type is disclosed in Japanese Patent Publication No. 2-1484. The display case described in this publication is provided with a display part made of a transparent peripheral wall plate on a base, a lid fixed on the display part, and one surface of the peripheral wall plate constituting the display part movable. The door is made of a transparent peripheral wall plate, and the door once protrudes forward and rotates horizontally. This projection, that is, as a mechanism for moving back and forth, a front-facing guide fixed to the upper lid and the lower base supports the upper support and the lower support slidably back and forth. At the front end of the support, the inside of one side of the door is vertically pivotally mounted on the inner surface.

[0003]

However, in the above-described mechanism, the movable transparent peripheral wall plate, that is, the door, which is usually a glass plate, is heavy in its own weight. Due to its own weight, a moment is generated in the front-back direction, and the lower part is pushed toward the case side,
There is a problem that a force is generated in a direction in which the upper portion is separated from the case, and a difference occurs in the movement of the upper and lower support members, so that the door cannot be moved forward and backward smoothly.

In order to cope with the above-described problem with this structure, the guide body and the upper and lower support members, which are guide mechanisms for the forward and backward movement, are made to be robust with high precision and without being deformed by weight. And the guide mechanism is expensive.

[0005] In order to solve such a problem, the present invention provides a display case capable of smoothly moving the door back and forth with an inexpensive mechanism without using an expensive guide mechanism. It is intended to be.

[0006]

According to the present invention, the above-mentioned problem is solved as follows. (1) Consisting of a base, an exhibition part formed of a transparent plate on the base, and a lid formed on the exhibition part, and once protruding forward to one side of the exhibition part In a display case provided with a door which is opened by being horizontally rotated, a base is pivotally mounted on the base or the lid so as to be horizontally rotatable above and below an inner surface of one side of the door. Upper and lower ends of a vertical rod movably erected in the exhibition part, provided with an upper and lower moving mechanism for pivotally connecting the ends of the pair of pivoting rods and moving the door back and forth and horizontally. A pair of link means linked to the section are linked to the pivoting rods of the vertical moving mechanism of the upper and lower parts via connecting rods, respectively, thereby synchronizing the longitudinal movement of the door.

(2) In the above item (1), the link means is housed in a base or a lid, and has a front end pivotally connected to a pivoting rod and extends to a standing position of a vertical rod; A link pivotally attached to the base or the lid in a vertical plane, and a link having an end pivotally connected to a rear end of the connecting rod and an end of the vertical rod, respectively. Thereby, the vertical rod is movably linked in the vertical direction.

(3) In the above item (1) or (2), the central base of the pivot rod is pivotally mounted on a base or a lid so as to be horizontally rotatable, and one end of the pivot rod is provided. To the door and the other end to the connecting rod.

(4) In the above item (1) or (2), the base at one end of the pivot rod is pivotally attached to a base or a lid so as to be horizontally rotatable. Is pivoted to the door and the middle to the connecting rod.

(5) In any one of the above items (1) to (4), the vertical pivot for pivotally connecting the pivot rod to the connecting rod is extended, and the extended portion is fixed to the base or the lid. Abut on the part to stop the movement of the door.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 10 illustrates a display case (A) to which the present invention is applied. The display case (A) includes a base (1) in which a metal plate is formed in a box shape, an exhibition section (2) formed on the base (1), and a display section (2). And a box-shaped lid (3) made of a metal plate and fixed. The both sides and the rear side of the exhibition part (2) are constituted by fixing a peripheral wall plate (4) mainly composed of a transparent plate such as a tempered glass plate, and the front side is formed of a similar transparent glass like tempered glass. A door (5) consisting of a peripheral plate mainly composed of a plate (5a) is mounted so as to be able to rotate horizontally at one side edge thereof.

FIG. 1 to FIG. 5 show a first embodiment of the present invention. FIG. 1 is a display section of the display case (A) shown in FIG.
(2) The cross section of the lower part is shown, and the movable transparent peripheral plate is a door
The outline of the front-back movement mechanism (11a) of (5) is shown. A pivoting rod or a horizontal rotating plate (7) of the front-rear moving mechanism (11a) is mounted on a horizontal fixing portion, that is, an upper surface of the base (1) by a mounting shaft (6) so as to be horizontally rotatable. By (8), the movable transparent peripheral wall plate (5) is pivotally mounted near one end. When the movable transparent peripheral wall plate (5) is opened, the mounting shaft (8) is first drawn out to the imaginary line position around the mounting shaft (6) as shown by an arrow, and then about this mounting shaft (8). As shown by the arrow, it rotates largely horizontally. Such a front-rear movement mechanism is also provided on the upper part of the door, and the synchronization mechanism (11b) connects the upper and lower front-rear movement mechanisms.

These details will be described in detail with reference to FIGS. On the upper surface of the base (1), a mounting shaft (6) held rotatably up and down by a bearing (14) on a pivot mounting member (13) fixed by bolts (12) is substantially sector-shaped. The pivoting rod, that is, the horizontal rotating plate (7), is firmly supported at its fan-shaped base. An outer end (7a) of the horizontal turning plate (7) near the door protrudes, and the mounting shaft (8) is held up and down by a bearing (17) of a mounting member (15). The mounting member (15) is firmly mounted to the lower metal horizontal member (5b) of the outer door (5) by bolts (16).

An arc-shaped long hole (9) is formed near the fan-shaped outer periphery of the horizontal rotating plate (7), and a dish-shaped roller (18) is fitted into the long hole (9). are doing. The roller (18) is a mounting member
(19), and the mounting member (19) is
0) attached to the base (1). The dish-shaped rim (18a) of the roller (18) supports both edges of the long groove (9) from below.

As is apparent from FIG. 4, a forward / backward moving mechanism (11a) having the same structure is also provided on the upper part of the door (5), that is, on the lower surface side of the lid 3.

In FIG. 2, when the door (5) is pulled out forward, the horizontal rotating plate (7) is elongated with the mounting shaft (6) as the center.
The end (9a) of (9) rotates until it comes into contact with the roller (18).
At this time, the mounting shaft (8) to which the door (5) is mounted protrudes forward as shown by the imaginary line. Door in this state
By turning (5), it can be opened as shown in FIG. door
To return (5) to the peripheral surface configuration position shown by the solid line in FIG. 2, the door (5) is returned parallel to the surface of the display case, and then the long hole (9) of the horizontal turning plate (7) is returned. Roller (18) on the other end (9b) of
Just push until it touches.

The horizontal rotating plate (7) has a mounting shaft (6) and a long hole.
The connecting rod (22) of the synchronizing mechanism (11b) is attached to the middle of (9) by the pivot (21). As shown in FIGS. 1 and 5, the connecting rod (22) extends to the rear corner of the display case,
Here, it is connected to one end of a link (24) by a pivot (23). The link (24) has its corner attached to the fixed part by a fixed pivot (25), and the other end of the link (24)
It is connected to a vertical rod (27) by a pivot (26). The upper end of this vertical rod (27) is connected to a similar synchronizing mechanism (11b) at the top, as is evident in FIG.

Therefore, the rotation of one of the horizontal rotation plates 7 (for example, the lower horizontal rotation plate) is controlled by the interlocking mechanism 11b. Horizontal rotating plate)
Are synchronized with each other.

In the second embodiment shown in FIGS. 6 and 7, the forward and backward movement mechanism is based on a simple linear pivoting rod (107). This pivoting rod (107) has its center as a base, and this base is
It is pivotally mounted on a base (1) or a lid (2) by a mounting shaft (106) so as to be horizontally rotatable. One end of the pivot rod (107) is pivotally attached to the door (5) by a mounting shaft (108), and the other end is also pivotally connected to the connecting rod (22) by a pivot (121). door
Since (5) can rotate around the mounting shaft (108), when the user first puts his hand on the door (5) and pulls it forward, as shown in FIG. The mounting shaft (108) is horizontally rotated around the center (106), and moves to the front position. Door in this state
(5) is rotated to the position shown by the imaginary line and opened.

At this time, the pivot at the other end of the pivot rod (107)
(121) pushes the connecting rod (22), rotates the link (126) in a vertical plane, and pushes up the vertical rod (27) in the guide tube (28) shown in FIG. This movement is transmitted to a similar link means on the upper part, and moves the upper part of the door (5) forward and backward in synchronization with the forward and backward movement of the lower part.

In the modification shown in FIGS. 8 and 9, the pivot (12
1) is elongated downward and forms an extension (121a). When the door (5) is moved forward, the extension (121a) comes into contact with the side wall (1a) of the base (1) to prevent further extension, that is, excessive movement. it can. A similar extension (121a) is provided in the upper mechanism.

[0022]

According to the present invention, the amount of front and rear movement of the upper and lower portions of the door can be made equal, and the amount of front and rear movement caused by the front and rear movement of a door having a heavy weight such as glass can be achieved. The door can be moved back and forth smoothly with an inexpensive mechanism without using an expensive guide mechanism, by eliminating the difference in the movement of the upper and lower pivoting rods. It can be movably erected at an inconspicuous place at a corner in the transparent peripheral plate between the base and the stand, and the vertical rod does not significantly obstruct the view of the exhibits in the display case.

According to a second aspect of the present invention, the linking means is housed in a base or a lid, and has a front end pivotally connected to a pivoting rod and extending to a vertical rod standing position; A link pivotally attached to the base or the lid in a vertical plane, and a link having an end pivotally connected to a rear end of the connecting rod and an end of the vertical rod, respectively. When the vertical rod is movably linked in the vertical direction, the horizontal rotation of the pivoting rod is converted into the vertical rotation of the link, whereby the vertical rod can be moved up and down and the front and rear movement of the door can be synchronized. In addition, the vertical rod that appears in the exhibition section between the lid and the base, because of the vertical movement with little horizontal movement,
It is possible to provide a guide tube in an inconspicuous corner at the corner of the exhibition, and to house it inside.

According to a third aspect of the present invention, the center base of the pivot rod is pivotally attached to the base or lid so as to be horizontally rotatable, and one end of the pivot rod is attached to the door, and the other end is attached to the door. When the end is pivotally connected to the connecting rod, it can be moved back and forth and horizontally by a simple mechanism.

According to a fourth aspect of the present invention, the base of one end of the pivot rod is pivotally attached to the base or lid so as to be horizontally rotatable, and the other end of the pivot rod is a door. In addition, when the intermediate portion is pivotally connected to the connecting rod, the operating stroke of the connecting rod can be arbitrarily set by changing the pivoting position of the connecting rod without changing the overall size of the supporting rod.

According to a fifth aspect of the present invention, the vertical pivot for pivotally connecting the pivoting rod to the connecting rod is extended, and the extended portion comes into contact with the fixed portion of the base or the lid so that the door can be moved. When the movement is stopped, excessive movement of the pivot rod can be suppressed.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a lower part of a display part of a display case to which a first embodiment of the present invention is applied.

FIG. 2 is an enlarged view showing a part of FIG. 1;

FIG. 3 is a sectional view taken along the line III-III in FIG. 2;

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;

FIG. 5 is an enlarged side view of a part of the interlocking mechanism.

FIG. 6 is a cross-sectional view similar to FIG. 1, showing the outline of a second embodiment of the present invention.

7 is a longitudinal sectional view of the embodiment shown in FIG.

FIG. 8 is a partial cross-sectional view showing a modification of the present invention.

FIG. 9 is a partial longitudinal sectional view of the modification shown in FIG.

FIG. 10 is a perspective view of a display case.

[Explanation of symbols]

 (A) Display case (1) Base (1a) Side wall part (2) Display part (3) Lid (4) Fixed transparent peripheral wall plate (5) Movable transparent peripheral wall plate (door) (5a) Like tempered glass plate (5b) Lower horizontal member (6) Mounting shaft (pivot point) (7) Horizontal rotating plate (pivot rod) (7a) Outer end (8) Mounting shaft (9) Slot (9a) (9b) End of long hole (10) Roller (11a) Forward / backward movement mechanism (11b) Synchronization mechanism (12) Bolt (13) Pivot mounting member (14) Bearing (15) Mounting member (16) Bolt (17) Bearing (18) Dish-shaped roller (18a) Rim (19) Mounting member (20) Bolt (21) Axis (22) Connecting rod (23) Axis (24) Link (25) Fixed axis (26) Axis (27) Vertical Rod (106) Mounting shaft (107) Pivot rod (108) Mounting shaft (121) Axis (121a) Extension (123) (125) Axis (126) Link

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A47F 1/00 A47F 3/14

Claims (5)

(57) [Claims] 1. A display device comprising: a base; an exhibition part formed of a transparent plate on the base; and a lid formed on the exhibition part. In a display case provided with a door which is opened by being protruded and horizontally rotated, a base is horizontally pivotably pivoted to the base or the lid above and below an inner surface of one side of the door. An up-and-down forward / backward moving mechanism for pivotally connecting the ends of the pair of mounted pivoting rods and for moving the door forward and backward and rotating horizontally is provided. The front-rear movement of the door is synchronized by linking a pair of link means linked to the upper and lower ends with the pivoting rods of the vertical movement mechanism of the upper and lower parts via connecting rods. And display case. 2. A linking means which is accommodated in a base or lid body, has a front end pivotally connected to a pivoting rod and extends to an upright position of a vertical rod, and a base part attached to the base or lid body. A link rotatably pivoted in a vertical plane, and having a rear end pivotally connected to the rear end of the connecting rod and an end of the vertical rod, and the vertical rod being vertically moved by the link. The display case according to claim 1, wherein the display case is movably linked. 3. A central base of the pivot rod is pivotally attached to a base or lid so as to be horizontally rotatable, and one end of the pivot rod is a door and the other end is a connection rod. 3. The display case according to claim 1, wherein the display case is pivotally attached. 4. The base of one end of the pivot rod is horizontally pivotally attached to a base or a lid, and the other end of the pivot rod is a door, and the middle is a connection rod. 3. The display case according to claim 1, wherein the display case is pivotally attached. 5. A vertical pivot for pivotally connecting the pivot rod to the connecting rod is extended, and the extended portion abuts on a fixed portion of the base or the lid to stop the movement of the door. The display case according to any one of claims 1 to 4, wherein: