Modularized display cabinet

Abstract

The invention discloses a modular display cabinet, belongs to the technical field of display cabinets, and aims to solve the technical problem of single function of a display cabinet in the prior art. The modularized display cabinet comprises a display cabinet body, one face of the display cabinet body is arranged to be an opening face, an electronic display screen is assembled in the middle of the interior of the display cabinet body, and the electronic display screen is displayed towards one side of the opening face of the display cabinet body; a plurality of frame plates are horizontally arranged in the display cabinet body, object display boxes used for containing objects for displaying are assembled on the frame plates, and the object display boxes are movably arranged and can slide along the frame plates. According to the modularized display cabinet, a display mode of combining real objects and videos is adopted, the display effect of the objects is greatly improved, audiences or customers can visually and comprehensively know the displayed objects, and the modularized display cabinet has the functions of adjusting the number of the displayed objects, adjusting the positions of the displayed objects and identifying the displayed objects and has high flexibility, adaptability and identification degree.

Description

Technical Field

[0001] The invention belongs to the technical field of display cabinets, and in particular relates to a modular display cabinet. Background Art

[0002] As an important marketing and information transmission method, in the physical retail environment, object display is a key means to attract customers' attention and promote sales. Through well-designed display racks, window displays and store layouts, merchants can create a unique shopping atmosphere, enhance brand image, and guide customers to browse and buy goods. For example, shopping malls and department stores use large-scale promotional activities, festivals and other occasions to attract people and increase sales through themed or creative object displays. In the field of product design, object display is an important way to display design concepts, functional features and aesthetic values. Designers use physical models, concept maps, animation demonstrations and other means to convey design concepts to potential customers or investors and strive for project cooperation or financial support. In the field of culture and tourism, object display is often used in museums, art galleries, historical sites and other places to display cultural heritage, artworks and cultural relics. Through scientific and reasonable display design, tourists can deepen their understanding of local culture and history and enhance their travel experience. In the field of education and training, object display is an important means of intuitive teaching. Through physical display, model demonstration and other methods, students can better understand abstract concepts and improve teaching effectiveness.

[0003] Display cabinets, as an important carrier for displaying items, have functional structures that are directly related to the display effects of items. Currently, display cabinets on the market are generally simple shelf structures with single functions and limited display effects on items, making it difficult for customers or viewers to fully understand the displayed items. Therefore, the present invention proposes a modular display cabinet. Summary of the invention

[0004] In view of the shortcomings of the prior art, an object of the present invention is to provide a modular display cabinet, aiming to solve the technical problem of the single function of the display cabinet in the prior art.

[0005] Technical Solution

[0006] In order to solve the above technical problems, the present invention provides a modular display cabinet, including a display cabinet main body, one side of the display cabinet main body is set as an open surface, an electronic display screen is installed at a middle position inside the display cabinet main body, and the electronic display screen is displayed toward the side of the opening surface of the display cabinet main body; a shelf is horizontally arranged inside the display cabinet main body, and the shelf is provided with a plurality of pieces, and a plurality of the shelfs are equipped with real display boxes for containing real objects for display, and the real display boxes are movably arranged and can slide along the shelf.

[0007] Preferably, the shelf boards are arranged along the length direction of the display cabinet body, the ends of the plurality of shelf boards are vertically aligned, and the top wall and the bottom wall of the physical display box are slidably fitted to two adjacent shelf boards respectively.

[0008] Preferably, the top and bottom of the display cabinet body are provided with second adjustment channels capable of accommodating horizontal movement of the physical display box, and the two ends of the display cabinet body are provided with first adjustment channels capable of accommodating vertical movement of the physical display box, and the first adjustment channel is connected to the second adjustment channel.

[0009] Preferably, a publicity panel for covering the first adjustment channel and the second adjustment channel is arranged around the opening surface of the display cabinet body, and a side of the publicity panel away from the middle of the display cabinet body is hinged to the display cabinet body, and a side of the publicity panel away from the display cabinet body is arranged to be a smooth surface.

[0010] Preferably, the physical display box includes a shell body slidably embedded between a pair of shelves, the shell body has an opening surface distributed in the same direction as the display cabinet body, a protective door panel is provided at the opening surface of the shell body, a locking piece is provided between the protective door panel and both ends of the shell body, and a positioning piece is provided at the bottom of the shell body for positioning the shell on the shelf.

[0011] Preferably, limiting convex strips are arranged on the top wall and the bottom wall of the shell along the length direction, and limiting sliding grooves are provided on the upper surface and the lower surface of the frame plate along the length direction, the limiting convex strips and the limiting sliding grooves are slidably engaged, and the limiting sliding grooves pass through the end surface of the frame plate.

[0012] Preferably, the four surrounding walls inside the shell are mirrored, and the protective door panel is made of a light-transmitting material.

[0013] Preferably, the locking component includes plug-in posts fixed at both ends of a side of the protective door panel facing the shell and sleeves fixed at both ends inside the shell, the sleeve and the plug-in posts are socketed together, a second magnetic block is provided at the end of the plug-in post, and a first magnetic block is provided at one end of the sleeve facing the shell, and the first magnetic block is magnetically matched with the second magnetic block.

[0014] Preferably, the positioning member includes a fixed shell fixed at the middle position of the bottom wall of the shell body facing the opening surface, a movable plate is movably arranged in the fixed shell, a positioning pin is vertically fixed to the bottom end of the movable plate, the positioning pin passes through the fixed shell and the bottom wall of the shell, a positioning pin hole capable of accommodating the positioning pin is opened on the upper surface of the frame plate, a plurality of positioning pin holes are arranged at equal intervals along the length direction of the frame plate, a connecting rod is vertically fixed to the top of the movable plate, the top end of the connecting rod passes through the top wall of the fixed shell and is fixed with a push piece, and a return spring is vertically arranged between the two ends of the movable plate and the top wall inside the fixed shell.

[0015] Preferably, an identifier is embedded on one side wall of the shelf facing the opening surface of the display cabinet body and at a position aligned with the positioning pin hole. The end of the identifier facing the opening surface of the display cabinet body is equipped with a display screen and a light-transmitting mask. A touch switch for controlling the display screen switch is installed on the top of the identifier. The touch switch is aligned with the positioning pin hole and can be triggered to open by pressing down the positioning pin rod.

[0016] Beneficial Effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention arranges a physical display box, and the items to be displayed are placed in the shell and covered with a protective door panel. The protective door panel and the shell are locked by utilizing the plug-in cooperation of the plug-in column and the sleeve and the magnetic cooperation of the first magnetic block and the second magnetic block. The shell containing the display items is horizontally slid and embedded between a pair of shelf plates, so that the items can be directly displayed. The mirror surfaces arranged on the surrounding walls of the shell and the light-transmitting characteristics of the protective door panel are utilized to increase the sense of space for the physical display of the items, and improve the physical display effect. A plurality of physical display boxes can be used for the physical display of a plurality of items. In addition, an electronic display screen arranged in the display cabinet body can be used to play videos of the displayed items. The display method combining the physical objects with the videos greatly improves the display effect of the items, so that the audience or customers can intuitively and comprehensively understand the displayed items.

[0019] In the present invention, by setting the positioning piece, the shell is pushed to translate between a pair of shelf plates, so that the display position of the items in the display cabinet main body can be adjusted, and the elastic force of the return spring pushes the movable plate to make the positioning pin rod move down and insert into the positioning pin hole at the corresponding position of the shelf plate, so that the shell can be positioned on the shelf plate, and the push piece is pushed to drive the movable plate to move up, so that the positioning pin rod is disengaged from the positioning pin hole, and the shell can be pushed to move and adjust the display position of the item again. In addition, by using the second adjustment channel set at the top and bottom of the display cabinet main body and the first adjustment channel set at both ends of the display cabinet main body, the shell can be horizontally or vertically embedded for storing excess shells, and the publicity panels set on the sides of the opening surface of the display cabinet main body can block the first adjustment channel and the second adjustment channel, and the surface of the publicity panel can be used to post item display posters and slogans, thereby the number and display position of the shell can be adjusted according to the number of items displayed, avoiding excessive or insufficient control of the shell to affect the physical display effect of the item, and having high flexibility and adaptability.

[0020] In the present invention, through the setting of the marker, after the positioning pin rod is plugged into the positioning pin hole, pressure is applied to the touch switch on the marker at the corresponding position of the positioning pin hole. At this time, the display screen on the marker is turned on, which can be used to display the number of the item displayed in the shell, and is used to cooperate with the electronic display screen for video display, which is beneficial for the audience or customers to distinguish and improves the display recognition. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the display cabinet main body in the present invention;

[0024] Figure 3 It is a structural schematic diagram of the physical display box of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the locking member in the present invention;

[0026] Figure 5 It is a schematic diagram of the end structure of the frame plate in the present invention;

[0027] Figure 6 It is a structural schematic diagram of the positioning member in the present invention;

[0028] Figure 7 It is a schematic diagram of the internal structure of the fixed shell in the present invention;

[0029] Figure 8 It is a structural schematic diagram of the marker in the present invention.

[0030] The markings in the attached drawings are: 1. display cabinet body; 2. shelf; 3. electronic display screen; 4. physical display box; 5. publicity panel; 6. first adjustment channel; 7. marker; 8. limit slide groove; 9. shell; 10. limit convex strip; 11. protective door plate; 12. positioning piece; 13. locking piece; 14. plug-in column; 15. sleeve; 16. first magnetic block; 17. second magnetic block; 18. positioning pin hole; 19. fixed shell; 20. positioning pin rod; 21. push piece; 22. movable plate; 23. connecting rod; 24. reset spring; 25. display screen; 26. touch switch; 27. light-transmitting mask; 28. second adjustment channel. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] This embodiment provides a modular display cabinet, and its structural schematic diagram is as follows Figure 1-Figure 8 As shown, it includes a display cabinet body 1, one side of the display cabinet body 1 is set as an opening surface, an electronic display screen 3 is installed at the middle position of the display cabinet body 1, and the electronic display screen 3 is displayed toward the side of the opening surface of the display cabinet body 1; a shelf board 2 is horizontally arranged in the display cabinet body 1, and a plurality of shelf boards 2 are provided. Physical display boxes 4 for containing physical objects for display are installed on the plurality of shelf boards 2. The physical display box 4 is movably arranged and can slide along the shelf boards 2. The physical display box 4 includes a shell 9 slidably embedded between a pair of shelf boards 2, and the shell 9 has an opening surface distributed in the same direction as the display cabinet body 1. A protective door panel 11 is arranged at the opening surface of the shell 9, and the protective door panel 11 and the shell 9 A locking piece 13 is provided between the two ends, and a positioning piece 12 is provided at the bottom of the shell body 9 for positioning the shell body 9 on the shelf 2. The items to be displayed are placed in the shell body 9 and covered with the protective door panel 11. The protective door panel 11 and the shell body 9 are locked by using the locking piece 13. The shell body 9 with the display items is horizontally slid and embedded between a pair of shelf panels 2, so that the items can be directly displayed. Multiple physical display boxes 4 can be used for physical display of multiple items. In addition, the electronic display screen 3 provided in the display cabinet body 1 can be used to play videos of the display items. The display method combining physical objects and videos greatly improves the display effect of the items, so that the audience or customers can intuitively and comprehensively understand the displayed items.

[0033] In this embodiment, the surrounding walls inside the shell 9 are set to be mirrored, and the protective door panel 11 is made of a light-transmitting material, which increases the sense of space for the physical display of objects and improves the physical display effect.

[0034] Furthermore, the shelves 2 are arranged along the length direction of the display cabinet body 1, and the ends of the multiple shelves 2 are vertically aligned. The top wall and the bottom wall of the physical display box 4 are slidably fitted with two adjacent shelves 2 respectively. The top wall and the bottom wall of the shell 9 are provided with limiting convex strips 10 along the length direction. The upper surface and the lower surface of the shelf 2 are provided with limiting slide grooves 8 along the length direction. The limiting convex strips 10 and the limiting slide grooves 8 are slidably engaged. The limiting slide grooves 8 pass through the end faces of the shelves 2, which are conducive to the movement of the shell 9 and the adjustment of the display position of the items.

[0035] In a further embodiment, the top and bottom of the display cabinet body 1 are provided with second adjustment channels 28 capable of accommodating the horizontal movement of the physical display box 4, and the two ends of the display cabinet body 1 are provided with first adjustment channels 6 capable of accommodating the lifting and lowering movement of the physical display box 4. The first adjustment channel 6 and the second adjustment channel 28 are connected to push the shell 9 to translate between a pair of shelf plates 2, so as to adjust the display position of the items in the display cabinet body 1. The second adjustment channels 28 provided at the top and bottom of the display cabinet body 1 and the first adjustment channels 6 provided at the two ends of the display cabinet body 1 can be used to accommodate the shell 9 to be horizontally or vertically embedded for storing excess shells 9. The peripheral side of the opening surface of the display cabinet body 1 is provided with The publicity panel 5 is used to cover the first adjustment channel 6 and the second adjustment channel 28. The publicity panel 5 is hinged to the display cabinet body 1 on one side away from the middle of the display cabinet body 1 for easy opening. The publicity panel 5 arranged on the sides around the opening surface of the display cabinet body 1 can block the first adjustment channel 6 and the second adjustment channel 28. The publicity panel 5 is arranged on a side away from the display cabinet body 1 as a smooth surface, so that the surface of the publicity panel 5 can be used to post posters and slogans for displaying items. Through the above-mentioned structural method, the number and display position of the shells 9 can be adjusted according to the number of items displayed, avoiding excessive control or insufficient control of the shells 9 to affect the physical display effect of the items, and has high flexibility and adaptability.

[0036] In a further embodiment, the locking component 13 includes a plug-in column 14 fixed at both ends of the protective door panel 11 facing the shell 9 and a sleeve 15 fixed at both ends inside the shell 9. The sleeve 15 and the plug-in column 14 are socketed together. A second magnetic block 17 is provided at the end of the plug-in column 14. A first magnetic block 16 is provided at one end of the sleeve 15 facing the shell 9. The first magnetic block 16 and the second magnetic block 17 are magnetically matched. By utilizing the plug-in fit of the plug-in column 14 and the sleeve 15 and the magnetic fit of the first magnetic block 16 and the second magnetic block 17, the protective door panel 11 and the shell 9 can be locked and removed easily.

[0037] As a preferred technical solution in this embodiment, the positioning member 12 includes a fixed shell 19 fixed at the middle position of the bottom wall of the shell 9 facing the opening surface, and a movable plate 22 is movably arranged in the fixed shell 19. A positioning pin rod 20 is vertically fixed to the bottom end of the movable plate 22. The positioning pin rod 20 passes through the fixed shell 19 and the bottom wall of the shell 9. A positioning pin hole 18 is opened on the upper surface of the frame plate 2 to accommodate the positioning pin rod 20. A plurality of positioning pin holes 18 are arranged at equal intervals along the length direction of the frame plate 2. A vertical fixing is provided on the top of the movable plate 22. A connecting rod 23, the top end of which passes through the top wall of the fixed shell 19 and is fixed with a push piece 21, and a return spring 24 is vertically arranged between the two ends of the movable plate 22 and the inner top wall of the fixed shell 19. The elastic force of the return spring 24 pushes the movable plate 22 to move the positioning pin rod 20 downward and insert it into the positioning pin hole 18 at the corresponding position on the shelf 2, so as to position the shell 9 on the shelf 2, push the push piece 21 to drive the movable plate 22 to move upward, so that the positioning pin rod 20 is disengaged from the positioning pin hole 18, and the shell 9 can be pushed again to move and adjust the display position of the item.

[0038] As a preferred technical solution in this embodiment, an identifier 7 is embedded on one side wall of the shelf 2 facing the opening surface of the display cabinet body 1 and aligned with the positioning pin hole 18. The end of the identifier 7 facing the opening surface of the display cabinet body 1 is equipped with a display screen 25 and a translucent mask 27. A touch switch 26 for controlling the switch of the display screen 25 is installed on the top of the identifier 7. The touch switch 26 is aligned with the positioning pin hole 18 and can be triggered to open by pressing down the positioning pin rod 20. After the positioning pin rod 20 is plugged into the positioning pin hole 18, pressure is applied to the touch switch 26 on the identifier 7 at the corresponding position of the positioning pin hole 18. At this time, the display screen 25 on the identifier 7 is turned on, which can be used to display the number of the items displayed in the shell 9 and to cooperate with the electronic display screen 3 for video display, which is conducive to the audience or customers to distinguish and improve the display recognition.

[0039] Working principle: When in use, the display cabinet body 1 is installed on the wall or the ground, the items to be displayed are placed in the shell 9 and covered with the protective door panel 11, and the protective door panel 11 and the shell 9 are locked by the plug-in cooperation of the plug-in column 14 and the sleeve 15 and the magnetic cooperation of the first magnetic block 16 and the second magnetic block 17. Then, the shell 9 containing the display items is horizontally slid and embedded between a pair of shelf plates 2, so that the items can be directly displayed. The mirror surface arranged on the surrounding walls of the shell 9 and the light-transmitting characteristics of the protective door panel 11 are utilized to increase the sense of space for the physical display of the items, and improve the physical display effect. Multiple physical display boxes 4 can be used for the physical display of multiple items. In addition, the electronic display screen 3 arranged in the display cabinet body 1 can be used to play videos of the displayed items. The display method combining the real objects with the videos further improves the display effect of the items, so that the audience or customers can have an intuitive and comprehensive understanding of the displayed items. Further, by pushing the shell 9 to translate between a pair of shelf plates 2, the display position of the items in the display cabinet body 1 can be adjusted, and the elastic force of the return spring 24 pushes the movable plate 22 to move the positioning pin rod 20 downward and insert it into the positioning pin hole 18 at the corresponding position on the shelf plate 2, so that the shell 9 can be positioned on the shelf plate 2, and the push piece 21 is pushed to drive the movable plate 22 to move upward, so that the positioning pin rod 20 is disengaged from the positioning pin hole 18, and the shell 9 can be pushed again to move and adjust the display position of the item. In addition, by using the second adjustment channel 28 set at the top and bottom of the display cabinet body 1, and the first adjustment channel 6 set at both ends of the display cabinet body 1, the shell 9 can be horizontally embedded or vertically embedded for storing excess shells 9, and the publicity panel 5 set on the sides of the opening surface of the display cabinet body 1 can block the first adjustment channel 6 and the second adjustment channel 28, and the surface of the publicity panel 5 can be used to post posters and slogans for item display, thereby adjusting the number and display position of the shells 9 according to the number of items displayed, avoiding excessive control or too little control of the shell 9 to affect the physical display effect of the items, and having high flexibility and adaptability. Furthermore, after the positioning pin rod 20 is plugged into the positioning pin hole 18, pressure is applied to the touch switch 26 on the marker 7 at the corresponding position of the positioning pin hole 18. At this time, the display screen 25 on the marker 7 is turned on, which can be used to display the number of the items displayed in the shell 9, and to cooperate with the electronic display screen 3 for video display, which is beneficial for the audience or customers to distinguish and improve the display recognition.

[0040] All technical features in this embodiment can be freely combined according to actual needs.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A modular display cabinet, comprising a display cabinet body (1), characterized in that: One side of the display cabinet body (1) is set as an open surface, and an electronic display screen (3) is installed at a central position inside the display cabinet body (1), and the electronic display screen (3) is displayed toward the side of the open surface of the display cabinet body (1); A shelf (2) is horizontally arranged in the display cabinet body (1), and the shelf (2) is provided with a plurality of pieces. Physical display boxes (4) for containing physical objects for display are mounted on the plurality of the shelfs (2), and the physical display boxes (4) are movably arranged and can slide along the shelf (2).

2. A modular display cabinet according to claim 1, characterized in that: The shelf plates (2) are arranged along the length direction of the display cabinet body (1), the ends of the plurality of shelf plates (2) are vertically aligned, and the top wall and the bottom wall of the physical display box (4) are respectively slidably fitted to two adjacent shelf plates (2).

3. A modular display cabinet according to claim 2, characterized in that: The top and bottom of the display cabinet body (1) are provided with second adjustment channels (28) capable of accommodating the horizontal movement of the physical display box (4), and the two ends of the display cabinet body (1) are provided with first adjustment channels (6) capable of accommodating the vertical movement of the physical display box (4), and the first adjustment channel (6) is connected to the second adjustment channel (28).

4. A modular display cabinet according to claim 3, characterized in that: A publicity panel (5) for covering the first adjustment channel (6) and the second adjustment channel (28) is arranged around the opening surface of the display cabinet body (1); a side of the publicity panel (5) away from the middle of the display cabinet body (1) is hinged to the display cabinet body (1); and a side of the publicity panel (5) away from the display cabinet body (1) is arranged to be a smooth surface.

5. A modular display cabinet according to claim 2, characterized in that: The physical display box (4) comprises a shell (9) slidably embedded between a pair of shelf plates (2), the shell (9) having an opening surface distributed in the same direction as the display cabinet body (1), a protective door plate (11) being arranged at the opening surface of the shell (9), a locking member (13) being arranged between the protective door plate (11) and the two ends of the shell (9), and a positioning member (12) being arranged at the bottom of the shell (9) for positioning the shell (9) on the shelf plates (2).

6. A modular display cabinet according to claim 5, characterized in that: The top wall and the bottom wall of the shell (9) are provided with limiting convex strips (10) along the length direction, and the upper surface and the lower surface of the frame plate (2) are provided with limiting sliding grooves (8) along the length direction. The limiting convex strips (10) and the limiting sliding grooves (8) are slidably engaged with each other, and the limiting sliding grooves (8) penetrate the end surface of the frame plate (2).

7. A modular display cabinet according to claim 5, characterized in that: The four inner walls of the housing (9) are arranged to be mirror surfaces, and the protective door panel (11) is made of a light-transmitting material.

8. The modular display cabinet according to claim 5, characterized in that: The locking component (13) includes a plug-in column (14) fixed at both ends of a side of the protective door plate (11) facing the shell (9) and a sleeve (15) fixed at both ends inside the shell (9), the sleeve (15) and the plug-in column (14) are sleeved together, a second magnetic block (17) is provided at the end of the plug-in column (14), and a first magnetic block (16) is provided at one end of the sleeve (15) facing the inside of the shell (9), and the first magnetic block (16) and the second magnetic block (17) are magnetically matched.

9. The modular display cabinet according to claim 5, characterized in that: The positioning member (12) comprises a fixed shell (19) fixed at a middle position of a side of the inner bottom wall of the shell (9) facing the opening surface, a movable plate (22) is movably arranged in the fixed shell (19), a positioning pin (20) is vertically fixed to the bottom end of the movable plate (22), the positioning pin (20) passes through the fixed shell (19) and the bottom wall of the shell (9), a positioning pin hole (18) capable of accommodating the positioning pin (20) is opened on the upper surface of the frame plate (2), and a plurality of positioning pin holes (18) are arranged at equal intervals along the length direction of the frame plate (2), a connecting rod (23) is vertically fixed to the top of the movable plate (22), the top end of the connecting rod (23) passes through the top wall of the fixed shell (19) and is fixed with a push piece (21), and a return spring (24) is vertically arranged between the two ends of the movable plate (22) and the inner top wall of the fixed shell (19).

10. A modular display cabinet according to claim 9, characterized in that: An identifier (7) is embedded on a side wall of the shelf (2) facing the opening surface of the display cabinet body (1) and at a position aligned with the positioning pin hole (18); a display screen (25) and a light-transmitting mask (27) are mounted on one end of the identifier (7) facing the opening surface of the display cabinet body (1); a touch switch (26) for controlling the switch of the display screen (25) is installed on the top of the identifier (7); the touch switch (26) is aligned with the positioning pin hole (18) and can be triggered to open by pressing down the positioning pin rod (20).

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