KR100485693B1 - Showcase - Google Patents

Abstract

The present invention relates to a four-sided independent display case for cultural property display exhibiting cultural assets, the lower structure is assembled into a frame structure, the upper lighting unit is mounted with an optical fiber lamp and a fluorescent lamp, and between the lower and upper structure, In the showcase for cultural property exhibition, the left and right sides are composed of a display unit formed of transparent glass panels,

An LM guide rail fixedly installed in parallel to the rear while being spaced apart from each other at regular intervals on both left and right sides of the inside of the substructure; LM guide bearings slidably coupled to each of the LM guide rails on both sides; A moving plate attached to upper surfaces of the LM guide bearings on both sides thereof; It is installed to protrude toward the front with the shaft fixedly attached to the horizontal pipe long horizontally attached to the front end of the moving plate is inserted into the bearing guide groove of the lower door support frame attached to the lower end of the front glass door to the front glass door A plurality of camprow and bearings for supporting and guiding simultaneous opening and closing operation; A ball screw rotating shaft whose both ends are rotatably supported in front and rear bearing housings fixedly installed at an inner middle portion of the substructure; The ball screw rotating shaft is installed on the ball screw nut moving to the front and rear in accordance with the rotation operation of the ball screw rotation shaft, the operation mechanism for moving the moving plate forward and backward; characterized in that the configuration to be.

Description

Four-sided stand-alone showcase for displaying cultural assets {Showcase}

The present invention relates to a four-sided stand-alone display case for displaying cultural property, which displays and stores cultural objects such as clothing, trinkets, ceramics, weapons, or bottles or paintings, which are relatively large in museums.

In the above, the four-sided independent display case means that the front, rear, left, and right sides of the exhibition part where the cultural property is displayed are made of transparent glass so that the inside can be viewed through the displayed cultural property.

Various relics and cultural assets are a national heritage. Therefore, cultural assets are stored in museums or cultural storage with facilities that can safely preserve them.

In the case of the museum, cultural properties are displayed and displayed on the showcase where the inside is transparent so that the public can easily view the preserved cultural properties.

In addition, cultural assets that are displayed on the showcase should be preserved in an environment where temperature and humidity do not fluctuate. Therefore, the front, back, left, right, top, and bottom of the showcase of the showcase have a structure that does not allow outside air to penetrate. In addition, in order to periodically check the preservation status of the cultural assets displayed on the showcase, the front glass panel of the front, rear, left, and right sides formed of glass panels is installed with a door structure that can be opened and closed.

In the case of a conventional four-sided independent display case for cultural properties, the front glass door itself slides to the left or right in a state in which the front glass door itself is in close contact with the ends of the left and right glass panels. Because it is designed to be operated, when you want to inspect or replace cultural assets, when you open the front glass door, the operator puts his fingertip on the left or right end of the front glass door. It was pointed out that the opening operation is difficult because it must be opened at. Also, when the front glass door is opened, the gasket is damaged by sliding and opening in friction with the silicon gasket attached to the ends of the left and right glass panels. That the closing force is generated and the sealing force is lowered. It was pointed out as a problem.

The present invention in view of the various matters appearing in the prior art as described above in the state of displaying the cultural assets in the display of the showcase, the front glass door in the closed state of both ends of the front and rear glass doors are attached to the ends of the left and right glass panels To ensure close contact with the gasket and to inspect or replace the cultural assets displayed in the exhibition area, the front glass door is moved forward so that the front glass door can be relaxed to relax from the gasket attached to the left and right glass panels. It was invented for the purpose.

The present invention as a means for achieving the above object,

For exhibition of cultural assets consisting of a substructure frame assembled with a frame structure, an upper lighting unit equipped with an optical fiber lamp and a fluorescent lamp, and an exhibition unit formed of transparent glass panels before, after, left and right between the substructure and the upper lighting unit. In the showcase,

An LM guide rail fixedly installed in parallel to the rear while being spaced apart from each other at regular intervals on both left and right sides of the inside of the substructure;

LM guide bearings slidably coupled to each of the LM guide rails on both sides;

A moving plate attached to upper surfaces of the LM guide bearings on both sides thereof;

It is installed to protrude toward the front with the shaft fixedly attached to the horizontal pipe long horizontally attached to the front end of the moving plate is inserted into the bearing guide groove of the movable lower support frame attached to the lower end of the front glass door to the front glass door A plurality of camprow and bearings for supporting and guiding simultaneous opening and closing operation;

A ball screw rotating shaft whose both ends are rotatably supported in front and rear bearing housings fixedly installed at an inner middle portion of the substructure;

An operation tool installed on the ball screw rotating shaft and coupled to a ball screw nut moving forward and backward according to the rotation operation of the ball screw rotating shaft to move the moving plate forward and backward;

It is characterized by consisting of

In addition, stop bolts are attached to both ends of the square pipe in which the camprow and bearings are installed, and the stopper guide groove formed at the lower side of the bearing guide groove into which the camprow and bearings are inserted is moved. It is installed as possible, and the shock absorbing spring is inherent on both sides of the stopper,

In addition, the guide member is fixed to the inside of the front of the upper lighting portion, the horizontal guide rod is installed to allow the horizontal movement through the hole formed in the center of the guide member so as to open and close the front glass door in a vertical state, and the It is coupled to the front end of the horizontal guide rod is inserted into the ball guide groove formed in the movable upper support frame of the front glass diagram, characterized in that it comprises a guide ball to maintain the horizontal guide rod and the upper support frame of the door connected to each other To do that,

In addition, the light inspection door attached to the top of the upper lighting unit so as to be open and close is characterized in that the opening and closing operation is performed by the gas shobar.

Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a front view for explaining the present invention, Figure 2 is a side view for explaining the present invention, Figure 3 is a front sectional view for explaining the substructure of the present invention, Figures 4 and 5 is the front of the present invention Front and back operating state of the glass door is a side cross-sectional view, Figure 6 and Figure 7 is a planar operating state diagram for explaining the forward and backward operating state of the front glass door of the present invention, Figure 8 and Figure 9 is a line AA of Figure 5 Fig. 10 is an operation state diagram of the door stopper for controlling the opening and closing operation of the front glass door, and Fig. 10 is a front view showing the opening of the front glass door of the present invention, and Fig. 11 is an upper lighting inspection door of the lighting unit of the present invention. Open operating state diagram is shown.

Reference numeral 1 denotes a showcase, wherein the showcase 1 comprises a substructure 1a composed of a frame structure such as a square pipe, a channel (angle), an angle (angle), and a transparent glass panel. It consists of an upper lighting unit 1c on which an exhibition unit 1b and a lighting lamp are installed.

First, the substructure 1a will be described.

The lower structural frame (1a) is provided with an openable lower inspection door (2) on its front surface, and covers the left and right ends of the lower inspection door (2) while the left, right and rear sides of the lower structural frame (1a) Lower fixing cover frame 21 is installed to cover. In addition, the lower inspection door 2 and the lower fixing cover frame 21 are connected to the front and rear frames 22 and 23, which are assembled in a rectangular shape using a square pipe, and connect the upper and lower parts of the front and rear frames. Upper and lower frames 24 and 25 are provided.

On both left and right sides of the substructure 1a, LM guide rails 3a fixed in parallel to the front and the rear are spaced apart from each other at regular intervals, and each of the two LM guide rails 3a is provided. The LM guide bearing 3b is installed to allow sliding movement.

The two LM guide bearings 3b are fixedly attached to both sides of the bottom of the moving plate 4 as bolts.

In addition, the front and rear bearing housings (5a) (5b) installed in the front and rear of the inner middle portion of the lower structure (1a) is provided with a ball screw rotation shaft (5) rotatably supported at both ends, the ball screw rotation shaft The tip of (5) protrudes toward the front of the front bearing housing 5a, and the engaging groove 51 is formed at the protruding tip.

The ball screw nut body 52 is installed on the outer circumference of the ball screw rotation shaft 5, and the ball screw nut body 52 is moved forward and backward as the ball screw rotation shaft 5 rotates in the left or right direction. Will move.

The ball screw nut body 52 and the moving plate 4 are connected by an operating tool 53. That is, one end (lower in the drawing) of the operating tool 53 is fixedly attached to the ball screw nut body 52, and the other end (upper in the drawing) of the working tool 53 is fixedly attached to the bottom of the moving plate 4. It is. Therefore, when the ball screw rotation shaft 5 rotates to the left or right to move the ball screw nut body 52 forward and backward, the operating plate 53 moves together along the ball screw nut body to move the moving plate 4. I'm going back and forth.

In addition, a guide tube 54 is attached to the tip of the ball screw rotation shaft 5, and a key box 55 is detachably mounted to the key box plate 56 in front of the guide tube 54. . When the key box 55 is inserted into the installation hole of the key box plate 56 and locked by a separate key, the key box 55 is fixedly mounted to the key box plate 56 while the key box is released by a separate key. It is installed in a structure that can be pulled out of the hole of the plate.

In addition, after removing the key box 55 from the key box plate 56, when the manual handle 57 is inserted into the dismantled hole of the key box 55, the end of the manual handle is inserted into the guide tube 54. While being coupled to the coupling groove 51 of the tip of the ball screw rotation shaft 5, the ball screw rotation shaft 5 is rotated by rotating the manual handle 57 coupled to the coupling groove 51 to the left or right. .

On the other hand, the forward operation of the moving plate 4 is controlled to move only a certain distance by the stopper device. That is, the movement bolt 58 attached to one side of each of the two LM guide bearings 3b coupled to the moving plate 4 is controlled to move forward by the movement control bolt 59 fixed to the front side thereof. The movement control bolt 59 is screw-assembled in a state capable of adjusting the distance with respect to the movement bolt 58 while being installed to protrude from the bottom of the lower frame (1a). Therefore, it is possible to adjust and control the forward movement distance of the moving plate 4 by means of adjusting the movement distance of the movement bolt 58 by tightening or loosening the movement control bolt 59.

A square pipe 41 is horizontally attached to the left and right sides at the front end of the moving plate 4, and a plurality of camprow bearings 42 are fixed to the square pipe 41 with shaft portions fixed thereto. Is installed. The camprow bearings are installed at regular intervals in the square pipe 41, and the camprow bearings support the front glass door 6 constituting the display unit 1b and simultaneously slide the door. Guide the opening and closing operation.

Next, the display unit 1b will be described.

The display unit 1b is composed of a front glass door 6 that is opened and closed, and left and right glass panels 6a and 6b and rear glass panels 6c fixedly installed on the left, right and rear sides. The lower ends of each of the left and right side glass panels 6a and 6b and the rear glass panels 6c are fixed to the fixed lower support frame 61, while the lower ends of the front glass doors 6 are It is provided in the movable lower support frame 62 which can move to front, back, and left and right.

In addition, the fixed lower support frame 61 is installed in a fixed state on the upper left, right and rear of the lower structure (1a), the movable lower support frame 62 is a plurality of campro bearing (42) It is installed in a structure supported by).

That is, two guide grooves are formed on the rear surface of the movable lower support frame 62 up and down. The bearing guide groove 63 of the upper side is inserted into the campro and the bearings 42 in a state where the rolling operation is possible. Is supporting the front glass door (6), and the stopper guide groove (64) at the lower side has a stopper (65) for controlling the opening operation of the front glass door (6) and one buffer spring (66) on each side of the stopper. This is movably inherent.

The stopper 65 protrudes from the stopper guide groove 64 so as to be caught by a stop bolt 43 fixedly attached to both ends of the square pipe 41 of the moving plate 4. The spring 66 is installed to relieve the impact by the elastic buffering action when the stopper 65 hits the stop bolt 43.

And both ends of the stopper guide groove 64 is fixed to the separation preventing member 67 for supporting both the shock absorbing springs 66 are not separated.

On the other hand, each of the bottom four corner portions of the lower frame (1a) is provided with a caster 26 and the control seat 27, and the humidity control box 28, the humidity control agent is stored in the left and right sides of the lower frame Is installed, the humidity control box 28 of the both sides are installed in a structure that is connected to the inside of the display unit (1b).

And the bottom of the display (1b) is provided with a display rack 60 for displaying the cultural property, the display rack 60 is the front and rear frames 22, 23 and the upper frame 24 of the lower frame (1a). It is mounted on the bottom plate 69 supported by the support base 68 fixedly installed on the upper surface of the field, and a space is formed between the bottom of the display rack 60 and the bottom plate 69. Therefore, the connecting passage formed on the upper surface of the humectant box 28 is connected to the space formed between the bottom plate 69 and the display rack 6 so that the humectant box 28 and the display unit 1b are connected to each other. It was made to control the internal humidity of the display unit (1b) so that the moisturizer accommodated in the moisturizer box.

In addition, the display frame (60) to support the load of the cultural assets on display the support frame 29 extending upward from the base frame (1a) to support the bottom plate (69).

Next, the upper lighting unit 1c will be described.

Horizontal guide rods 7 protruding horizontally toward the front side are installed on the front surface of the upper lighting unit 1c, and the horizontal guide rods 7 are installed at each of the left and right sides of the showcase 1, respectively. When the left and right width of the showcase (1) is quite large, the horizontal guide rod (7) can be installed in the middle as well as the left and right sides.

The horizontal guide bar 7 protrudes toward the front to move through the hole formed in the center of the guide member 71 fixedly fixed to the inner side of the upper light portion (1c), the horizontal guide projecting forward A spherical guide ball 72 is coupled to the front end of the rod 7, and a departure prevention part 73 is formed at the rear end to prevent it from being separated from the guide member 71.

The guide ball 72 formed at the front end of the horizontal guide rod 7 is inserted into the ball guide groove 622 formed on the rear surface of the movable upper support frame 621 fixed to the upper end of the front glass door (6). , The horizontal guide rod (7) is the front and rear of the front glass door (6) when the front glass door (6) moves forward and backward by the forward and backward operation of the campro bearing (42) In order to guide the movement so that the front glass door (6) itself can be moved almost vertically, the guide ball 72 is movable upper support frame when the front glass door (6) itself moves forward and backward ( 621 is allowed to move slightly inclined, and also allows the ball guide groove 622 to slide when opening and closing the front glass door (6).

An upper portion of the upper lighting unit 1c is provided with an illumination check door 74 that opens and closes up and down, and the illumination check door 74 has gas stoves mounted on both left and right sides of the upper lighting unit 1c. 75) the opening and closing operation is controlled. That is, the both side gas shoba 75 is continuously maintained in the closed state when the light check door 74 is closed, and once the operator opens the light check door 74 to maintain the open state continuously. It is installed in a structure that can be used.

In addition, a plurality of optical fiber lamps 76 and a fading preventing fluorescent lamp 77 are mounted in the upper lighting unit 1c to illuminate the cultural assets displayed on the display unit 1b.

On the other hand, the upper lighting unit (1c) is provided with a fixed upper support frame 611 for fixing the upper end of the left and right side glass panel (6a) (6b) and the rear glass panel (6c) of the display unit (1b). have.

The operation of the present invention configured as described above will be described.

When displaying and displaying cultural assets in the showcase (1), the front glass door 6 is closed as shown in FIG. 2, and in this state, the front glass door 6 is closed at the top and bottom of the front glass door. The support frame 621 and the movable lower support frame 62 are locked to both ends of each of the fixed upper support frame 611 and the fixed lower support frame 61, and thus cannot be opened. Therefore, visitors other than the manager can not open the front glass door (6), it is possible to safely protect the cultural property exhibited in the showcase (1).

If you want to periodically check or replace the cultural property exhibited in the showcase (1) as described above, the front glass door (6) should be opened, in this case, first, open the lower inspection door (2), and then With the key prepared in advance, unlock the key box 55 mounted on the key box plate 56 and pull out the key box 55 (see FIG. 4).

After removing the key box 55 as described above, when the manual handle 57 is inserted into the hole in which the key box is mounted, the insertion end of the manual handle is connected to the end of the ball screw rotating shaft 5 through the guide tube 54. When the manual handle 57 is rotated in the left (or right) direction in this state, the coupling screw 51 is rotated so that the ball screw rotating shaft 5 is rotated and is located on the rear bearing housing 5b. The ball screw nut body 52 is moved forward toward the front bearing housing 5a, and the operating port 53 moving together with the ball screw nut body 52 moves the moving plate 4 forward. .

When the moving plate 4 moves forward as described above, the plurality of camprow bearings 42 installed on the square pipe 41 push the movable lower support frame 62 forward, thereby moving the movable lower support frame 62. The front glass door 6 installed vertically while being fixed to the bottom is moved forward, and thus the movable upper support frame 621 at the top of the windshield door 6 is also moved forward. At this time, the horizontal guide bar (7) to guide the movement of the movable upper support frame 621, the front glass door (6) is moved forward while maintaining the vertical. On the other hand, when the front glass door (6) moves forward, the upper portion of the front part is weakly vibrated before and after, and thus the movable upper support frame (621) also appears to vibrate before and after, but this vibration is ball guide groove 622 Since the guide ball 72 installed in the) is absorbed and removed, the horizontal guide rod (7) supports the movable upper support frame (621) in a horizontal state, the front glass door (6) is in a stable state Move forward (see Fig. 5).

In addition, the moving bolt 58 attached to the LM guide bearing 3b moving on the LM guide rail 3a during the forward operation of the windshield door 6 as described above moves together with the moving distance in advance. When the moving control bolt 59 is caught (see FIG. 7), the moving plate 4 can no longer move, and thus, the ball screw rotating shaft 5 also stops rotating and the front glass door 6 ) Is a state in which the moving bolt 58 has moved forward only up to the distance to be caught by the moving control bolt 59.

When the front glass door 6 is moved forward by a predetermined distance as described above, the upper and lower movable upper support frame 621 and the lower support frame 62 are fixed to the fixed upper support frame 611. The left and right ends of the lower support frame 61 is completely out of the state, and the left and right sides can be opened. Therefore, when the operator grasps the left or right end of the windshield door 6 by hand and pushes it to the side, the windshield door 6 supports a plurality of camprow bearings supporting the movable lower support frame 62 at the bottom thereof. The sliding movement of the (42) in place is smoothly sliding open, wherein the opening width of the front glass door (6) is about 2/3 of the total width of the showcase (1) so that the front glass door (6) is camp It is possible to maintain a state supported stably to the rowa bearing 42, this control of the opening width of the front glass door by the stopper 65 installed in the stopper guide groove 64 of the movable lower support frame 62. Is done.

That is, before the windshield door 6 is opened, as shown in FIG. 6, the stopper 65 is separated from the stop bolt 43, and when the windshield door 6 is opened to the left or right, the stopper ( 65 is also moved in the same direction when the contact with the stop bolt 43 on one side can not move any more, the separation prevention member 67 fixed to one side of the stopper guide groove 64 by the continuous opening operation is The shock absorbing spring 66 on one side is moved toward the stopper 65 hanging on the stop bolt 43 so that one side preventing member 67 elastically moves the shock absorbing spring 66 between the stoppers 65 as shown in FIG. When the front glass door 6 is opened, the opening operation is completed, and when the front glass door 6 is completed, the shock absorbing action between the stopper 65 and the release preventing member 67 is completed. Shock and noise by the shock absorbing spring (66) It would be prevented.

On the other hand, when opening the front glass door 6 to one side, the guide ball 72 of the tip of the horizontal guide rod (7) installed on the upper lighting portion (1c) is the ball guide groove 622 of the movable upper support frame (621) Since the movable upper support frame 621 is guided by the sliding movement to perform the opening operation, such as the front glass door 6, when the front glass door 6 is opened to one side, the guide ball 72 located on the other side Is in a state separated from the ball guide groove 622 (see FIG. 10), and then the guide ball 72 is inserted into the ball guide groove 622 again when closing the front glass door (6).

After opening the front glass door 6 to one side as described above, after checking or replacing the cultural assets that are displayed on the display rack 60, the front glass door 6 is closed again, in which case the front glass door was opened earlier (6) to return to the original position and then rotate the manual handle (57) in the opposite direction to the opening of the door, the moving plate (4) is moved to the rear, so that the front glass door (6) It moves to the rear and its left and right ends are in close contact with the front end of the left and right side panel glass 6a, 6b. Then, the manual handle 57 is dismantled and the key box 57 is replaced and the lower inspection is performed. When the door 2 is closed, the closing operation of the front glass door 6 is completed.

On the other hand, when you want to replace the lamps mounted on the upper lighting unit (1c) by using a ladder or chairman lifts the light inspection door 74, which is closed by the manager a little upwards, the gas shoba 75 is operated to check the lighting The door 74 is opened upward, and thus the open light inspection door 74 is continuously maintained by the gas shovel 75, so that the operator can keep the fluorescent lamp 77 and the optical fiber lamp 76 and the like. It is easy to check and replace the work.

In the present invention as described above, the front glass door of the showcase of the showcase is closed, people other than the manager can not open the front glass door, there is an effect that can safely protect the cultural properties displayed inside the display, the display section If you want to check or replace the old cultural assets periodically, even if you open the front glass door by using the key and manual handle, the front glass door is moved forward and the front glass door is left and right glass panels. The front glass door can be opened and closed after being completely disengaged from the front end of the door, which facilitates the opening and closing operation of the door. Furthermore, it does not damage the gasket during the opening and closing operation of the front glass door, thereby helping to maintain the confidentiality of the display unit. To protect the cultural property from danger in the air. It is to provide the effect that makes it possible.

1 is a front view for explaining the present invention.

Figure 2 is a side view for explaining the present invention.

Figure 3 is a front sectional view for explaining the substructure of the present invention.

Figure 4 and Figure 5 is a side cross-sectional view of the front, reverse operating state of the windshield door of the present invention.

6 and 7 illustrate the forward and backward operating state of the front glass door of the present invention.

        Plane operation diagram for

8 and 9 are cross-sectional views taken along line A-A of FIG. 5 to control the opening and closing operation of the windshield door.

        Operation of the door stopper.

10 is a front view for showing the opening of the windshield door of the present invention.

11 is a view of the upper lighting check door opening operation state of the lighting unit of the present invention.

※ Explanation of code for main part of drawing

1: Showcase 1a: Substructure

1b: Exhibition unit 1c: Upper lighting unit

2: lower inspection door 21: lower cover frame

22: front frame 23: rear frame

24: upper frame 25: lower frame

28: humectant box 29: support frame

3a: LM guide rail 3b: LM guide bearing

4: moving plate 41: square pipe

42: camprow bearing 43: stop bolt

5: Ball screw rotation axis 51: Coupling groove

52: ball screw nut 53: operating port

55: Key Box 57: Manual Handle

58: moving bolt 59: moving control bolt

6: front glass door 6a, 6b: left and right side glass panel

6c: rear glass panel 60: display rack

61: fixed lower support frame 62: movable lower support frame

63: bearing guide groove 64: stopper guide groove

65: stopper 66: buffer spring

67: separation prevention member 68: support

69: bottom plate 611: fixed upper support frame

621: movable upper support frame 622: ball guide groove

7: horizontal guide rod 71: guide member

72: guide ball 73: departure prevention part

74: lighting check door 75: gas shoba

76: optical fiber lamp 77: fade prevention fluorescent lamp

Claims (4)

A display unit formed of a transparent glass panel in which front, rear, left, and right sides are formed between the lower structure frame 1a, which is assembled into a frame structure, the upper lighting unit 1c on which an optical fiber lamp and a fluorescent lamp are mounted, and the lower structure frame and the upper lighting unit. In the showcase for cultural property display consisting of (1b), the ball screw rotating shaft for opening and closing the front glass door (6) of the display unit, LM guide rails 3a fixedly installed in parallel to the rear while being spaced apart from each other at regular intervals on both left and right sides of the inner frame 1a; LM guide bearings (3b) slidably coupled to each of the LM guide rails (3a) of both sides; Moving plates (4) attached to upper surfaces of the LM guide bearings (3b) on both sides; A movable lower support frame attached to the lower end of the front glass door 6 is installed to protrude forward with the shaft fixedly attached to the square pipe 41 horizontally attached to the front end of the moving plate 4 ( A plurality of camprow and bearings 42 inserted into the bearing guide grooves 63 of 62 to support the front glass door 6 and guide the simultaneous opening and closing operation; It is installed on the ball screw rotary shaft (5) rotatably supported at both ends in the front and rear bearing housing (5a) (5b) is fixed to the inner middle portion of the lower frame (1a) for the rotation operation of the ball screw rotary shaft. In order to connect the ball screw nut body 52 and the moving plate 4 moving forward and backward according to the operation mechanism 53 is coupled to the ball screw nut body and the moving plate to move the moving plate forward and backward ; Four-sided stand-alone showcase for displaying cultural property, characterized in that the configuration. The method of claim 1, Stop bolts 43 are attached to both ends of the square pipe 41 in which the camprow and bearings 42 are installed, and a stopper guide formed at a lower side of the bearing guide groove 63 into which the camprow and bearings are inserted. The groove 64 is provided with a stopper 65 that is locked to the stop bolt 43 to be movable, and the buffer spring 66 is embedded on both sides of the stopper 65, characterized in that the four surfaces for cultural property display. Standalone showcase. The method of claim 1, The guide member 71 fixedly installed inside the front surface of the upper lighting unit 1c and the hole formed in the center of the guide member are installed to allow horizontal movement so that the front glass door 6 can be opened and closed vertically. It is inserted into the ball guide groove 622 formed in the movable upper support frame 621 of the front glass door 6 while being guided to the horizontal guide rod (7) and the leading end of the horizontal guide rod (7) Guide bar 7 and the movable upper support frame 621 is a four-sided showcase for cultural property display, characterized in that it comprises a guide ball 72 to maintain the state connected to each other. delete