Display screen mounting box

Abstract

A display screen mounting box relates to the technical field of screen mounting. Comprising a box body and a box cover, and the box body and the box cover are matched to be used for installing a display screen. A first extension arm and a second extension arm are arranged on the upper side and the lower side of the rotating end of the box body respectively, and a movable cavity is defined by the first extension arm, the second extension arm and the box body. An imbedding part and a limiting bulge are arranged at the rotating end of the box cover; and an elastic piece is arranged in the movable cavity. When the box cover is closed relative to the box body, the imbedding part abuts against the lower side of the first extension arm under the action of the elastic piece, and the limiting protrusion abuts against the lower side of the second extension arm. When the box cover is opened relative to the box body, the limiting protrusion is separated from the second extension arm, the imbedding part is kept to move in the movable cavity, and the imbedding part abuts against the lower side of the first extension arm under the action of the elastic piece. By the adoption of the technical scheme, hinges are not needed, and the display screen has the advantages of being simple in structure, low in cost and convenient to mount and dismount.

Description

Technical Field

[0001] The utility model relates to the technical field of screen installation, in particular to a display screen installation box. Background Art

[0002] Holographic screen, also known as holographic screen, holographic rear projection screen, transparent rear projection screen or holographic transparent rear projection screen, is a new generation of innovative rear projection screen using holographic technology. It has the characteristics of strong three-dimensional sense, high transparency and good interactivity, and is suitable for display needs in various occasions.

[0003] The holographic screen needs to be installed through a mounting box, but existing mounting boxes usually use hinges to rotate and open and close. Although this method is direct, the hinges are easily worn during long-term use, resulting in the display screen opening and closing being not smooth and easily shaken by external forces. At the same time, the hinges take up space and are costly, which urgently needs to be improved. Utility Model Content

[0004] The utility model aims to provide a display screen installation box in view of the defects and shortcomings of the prior art, which does not require hinges and has the advantages of simple structure, low cost and convenient installation and disassembly of the display screen.

[0005] To achieve the above object, the technical solution adopted by the utility model is: a display screen installation box, comprising: a box body, and a box cover with one end rotating on the box body and the other end being a free end, the box body and the box cover cooperate to install the display screen;

[0006] A first extension arm is provided on the upper side of the rotating end of the box body extending in the direction of the box cover, and a second extension arm is provided on the lower side of the rotating end of the box body extending in the direction of the box cover, wherein the length of the second extension arm is longer than that of the first extension arm, and an active cavity is formed between the rotating end of the box body, the first extension arm and the second extension arm;

[0007] The end of the rotating end of the box cover is provided with an inserting portion inserted into the movable cavity, and a limiting protrusion corresponding to the second extension arm is provided on the box cover near the rotating end of the box cover;

[0008] An elastic member is disposed in the movable cavity, the upper end of which abuts against the lower side of the insertion portion and the lower end of which abuts against the upper side of the second extension arm;

[0009] When the box cover is closed relative to the box body, the insertion portion is pressed against the lower side of the first extension arm under the action of the elastic member, and the limiting protrusion is pressed against the lower side of the second extension arm;

[0010] When the box cover is opened relative to the box body, the limiting protrusion is separated from the second extension arm, and the insertion portion moves in a direction away from the rotating end of the box body but remains in the movable cavity. The insertion portion is also pressed against the lower side of the first extension arm under the action of the elastic member.

[0011] The utility model is further provided that the box cover comprises: a box cover body, the insertion portion, and a connecting portion connected between the box cover body and the insertion portion; the connecting portion is arranged at an angle, and when the box cover is closed relative to the box body, the connecting portion covers the end of the first extension arm to the end of the second extension arm.

[0012] The utility model is further configured that a first hook portion extending toward an end of the second extension arm is provided at the end of the first extension arm, and a second hook portion corresponding to the first hook portion is provided on a side of the insertion portion facing the first extension arm, and when the box cover is opened relative to the box body, the second hook portion hooks the first hook portion.

[0013] The utility model is further arranged that a curved section inserted into the movable cavity is provided at the connection between the insertion portion and the connection portion, and a recessed portion is formed between the second curved hook portion and the curved section; when the box cover is opened relative to the box body, the first curved hook portion is inserted into the recessed portion.

[0014] The utility model is further configured that a tip protrusion is provided on one side of the first extension arm facing the second extension arm;

[0015] When the box cover is closed relative to the box body, the outer side of the second hook portion presses against the inclined surface of the tip protrusion under the action of the elastic member;

[0016] When the box cover is opened relative to the box body, the end of the insertion portion presses against the elastic member, and under the action of the elastic member, the first hook portion presses against the recessed portion.

[0017] The utility model is further configured that a third hook portion is provided on one side of the second extension arm facing the first extension arm; when the box cover is closed relative to the box body, the outer side of the third hook portion presses against the connecting portion.

[0018] The utility model is further arranged that the elastic member is a spring sheet.

[0019] The utility model is further configured that the display screen installation box also includes: a first magnetic attraction component fixedly assembled in the box body and used for magnetically attracting the display screen.

[0020] The utility model is further provided that the outer wall of the box body is provided with a plugging groove which is through front and back and is used for sliding insertion of a plug pin, and adjacent display screen installation boxes are spliced ​​by the plug pin.

[0021] The utility model is further configured that one of the plug-in slots is opened at the upper end of the box body, one of the latches is completely inserted into the plug-in slot, and the latch is provided with a plurality of through holes, and the through holes are used for assembling the lifting ring.

[0022] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: in the utility model, by providing the first extension arm and the second extension arm at the rotating end of the box body, providing the insertion part and the limiting protrusion at the rotating end of the box cover, and providing an elastic member in the movable cavity formed by the first extension arm and the second extension arm, when the box cover is closed relative to the box body, the insertion part presses against the lower side of the first extension arm under the action of the elastic member, and the limiting protrusion presses against the lower side of the second extension arm, effectively preventing the box cover from being opened without external force; when the box cover is opened relative to the box body, the limiting protrusion separates from the second extension arm, and the insertion part moves in the direction away from the rotating end of the box body, but remains in the movable cavity, and the insertion part also presses against the lower side of the first extension arm under the action of the elastic member, effectively preventing the box cover from being closed without external force, and realizing that the box cover can be opened and closed relative to the box body without a hinge structure, with a simple structure, low cost, and convenient installation and disassembly of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 It is a partial schematic diagram of the A part of the closed display installation box;

[0025] Figure 2 This is a partial enlarged schematic diagram of the closed A part of the display installation box;

[0026] Figure 3 This is a partial schematic diagram of part B of the display installation box opened;

[0027] Figure 4 This is a partial enlarged schematic diagram of part B of the display installation box being opened;

[0028] Figure 5 It is a partial schematic diagram of the display screen installation box and the display screen C part;

[0029] Figure 6It is a partial enlarged schematic diagram of the display installation box and the C part of the display;

[0030] Figure 7 It is a partial schematic diagram of the D part of the display screen installation box and the display screen;

[0031] Figure 8 This is a partial enlarged diagram of the display installation box and the D part of the display.

[0032] Fig. 9 It is a structural schematic diagram of a display screen installation box.

[0033] Explanation of the reference numerals: a, movable cavity; 100, box body; 110, first extension arm; 111, first hook portion; 112, pointed protrusion; 120, second extension arm; 121, third hook portion; 122, protrusion end point; 130, first magnetic member; 140, plug-in slot; 200, box cover; 210, insertion portion; 211, second hook portion; 212, bending section; 213, recessed portion; 220, connecting portion; 230, box cover body; 240, limiting protrusion; 300, display screen; 310, second magnetic member; 400, latch; 410, through hole; 411, hanging ring; 500, power supply; 600, elastic member. DETAILED DESCRIPTION

[0034] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0035] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0036] This embodiment relates to a display screen installation box, referring to Figure 1-Figure 4 , comprising: a box body 100 and a box cover 200.

[0037] The first extension arm 110 is provided on the upper side of the rotating end of the box body 100 extending in the direction of the box cover 200, and the second extension arm 120 is provided on the lower side of the rotating end of the box body 100 extending in the direction of the box cover 200. The length of the second extension arm 120 is longer than the length of the first extension arm 110. The rotating end of the box body 100, the first extension arm 110 and the second extension arm 120 form an active cavity a. One end of the box cover 200 rotates on the box body 100 and the other end is a free end. The end of the rotating end of the box cover 200 is provided with an insertion portion 210 inserted into the active cavity a. The box cover 200 is provided with a limiting protrusion 240 corresponding to the second extension arm 120 near the rotating end of the box cover 200. An elastic member 600 is provided in the active cavity a, and the upper end of the elastic member 600 abuts against the lower side of the insertion portion 210 and the lower end abuts against the upper side of the second extension arm 120. When the box cover 200 is closed relative to the box body 100, the insertion part 210 is pressed against the lower side of the first extension arm 110 under the action of the elastic member 600, and the limiting protrusion 240 is pressed against the lower side of the second extension arm 120, effectively preventing the box cover 200 from being opened without external force. When the box cover 200 is opened relative to the box body 100, the limiting protrusion 240 is separated from the second extension arm 120, and the insertion part 210 moves in the direction away from the rotating end of the box body 100, but remains in the active cavity a. The insertion part 210 is also pressed against the lower side of the first extension arm 110 under the action of the elastic member 600, effectively preventing the box cover 200 from being closed without external force. The box cover 200 can be opened and closed relative to the box body 100 without a hinge structure, and the structure is simple, the cost is low, and the display screen 300 is easy to install and disassemble.

[0038] In this embodiment, refer to Figure 1-Figure 2 The box cover 200 includes: a box cover body 230, an inserting portion 210, and a connecting portion 220 connected between the box cover body 230 and the inserting portion 210. The connecting portion 220 is arranged obliquely, and when the box cover 200 is closed relative to the box body 100, the connecting portion 220 covers the end of the first extension arm 110 to the end of the second extension arm 120. Specifically in this embodiment, a limiting protrusion 240 is arranged on the connecting portion 220, and when the box cover 200 is closed, the limiting protrusion 240 is precisely docked with the lower side of the second extension arm 120 to achieve limiting and locking functions, effectively preventing the box cover 200 from being accidentally opened.

[0039] In this embodiment, refer to Figure 1-Figure 5The end of the first extension arm 110 is provided with a first hook portion 111 extending toward the end of the second extension arm 120, and the side of the insertion portion 210 facing the first extension arm 110 is provided with a second hook portion 211 corresponding to the first hook portion 111. When the box cover 200 is opened relative to the box body 100, the second hook portion 211 hooks the first hook portion 111. When the box cover 200 is in the open state, the second hook portion 211 and the first hook portion 111 hook each other, which can prevent the box cover 200 from being over-opened or accidentally completely separated from the box body 100, and maintain it at a preset safe opening angle. By hooking the hook portions together, locking can be achieved without an additional lock or a complex mechanical device, simplifying the structure.

[0040] In this embodiment, a curved section 212 inserted into the active cavity a is provided at the connection between the insertion portion 210 and the connection portion 220, and a recessed portion 213 is formed between the second hook portion 211 and the curved section 212; when the box cover 200 is opened relative to the box body 100, the first hook portion 111 is inserted into the recessed portion 213. When the box cover 200 is opened, the first hook portion 111 not only hooks the second hook portion 211, but also embeds into the recessed portion 213 formed by the second hook portion 211 and the curved section 212, which not only ensures the stable locking of the box cover 200 in the open state, but also the outer side surface of the first hook portion 111 and the curved section 212 are both in a certain arc, so that the rotation process of the box cover 200 is smoother, reducing friction and resistance, and also preventing the box cover 200 from being excessively opened relative to the box body 100.

[0041] In this embodiment, refer to Figure 1-Figure 5 A pointed protrusion 112 is provided on one side of the first extension arm 110 facing the second extension arm 120. When the box cover 200 is closed relative to the box body 100, the outer side of the second hook portion 211 presses against the inclined surface of the pointed protrusion 112 under the action of the elastic member 600, and the contact area is increased by the inclined surface, which increases the friction force and further improves the locking effect of the box cover 200 after closing. When the box cover 200 is opened relative to the box body 100, the end of the insertion portion 210 presses against the elastic member 600, and the first hook portion 111 presses against the recessed portion 213 under the action of the elastic member 600.

[0042] In this embodiment, a third hook portion 121 is provided on one side of the second extension arm 120 facing the first extension arm 110; when the box cover 200 is closed relative to the box body 100, the outer side of the third hook portion 121 is pressed against the connecting portion 220. By providing the third hook portion 121, when the box cover 200 is closed, its outer side is pressed against the connecting portion 220, and this additional contact point provides additional upward supporting force for the box cover 200 in the closed state, and cooperates with the second hook portion 211 and the limiting protrusion 240.

[0043] In this embodiment, refer to Figure 1-Figure 2The elastic member 600 is a spring sheet, which is arched (the elastic member 600 in the figure is only for illustration) and is placed on the upper side of the second extension arm 120. A protruding end point 122 is also vertically arranged on the upper side of the second extension arm 120. One end of the elastic member 600 abuts against the rotating end of the box body 100, and the other end abuts against the protruding end point 122, and the arch portion faces and abuts against the lower side of the insertion portion 210. The arched elastic member 600 design can provide uniform and appropriate elastic force during the opening and closing process of the box cover 200. The two ends of the elastic member 600 abut against the rotating end of the box body 100 and the protruding end point 122, respectively, to ensure that the box cover 200 is not easily displaced when subjected to force.

[0044] In this embodiment, refer to Figure 5-Figure 6 , the display screen installation box also includes: a first magnetic component 130 fixedly assembled in the box body 100 and used to magnetically attract the display screen 300. By fixing the display screen 300 by magnetic attraction, the user can easily adsorb the display screen 300 in the box body 100 without complicated tools or cumbersome fixing steps, which greatly simplifies the installation and disassembly process. A second magnetic component 310 is fixedly assembled on the display screen 300, and the first magnetic component 130 and the second magnetic component 310 cooperate with each other to fix the display screen 300 in the box body 100. Specifically in the present embodiment, the first magnetic component 130 is an iron sheet, and the second magnetic component 310 is a magnet.

[0045] Reference Figure 7-Figure 9 The outer wall of the box body 100 is provided with a plug slot 140 which is through from front to back and is used for the plug pin 400 to slide and insert, and the adjacent display screen installation boxes are spliced ​​by the plug pin 400. Since the plug slot 140 is through from front to back, that is to say, both ends of the plug slot 140 can be spliced ​​with other display screen installation boxes by the plug pin 400, so as to realize unlimited splicing.

[0046] Specifically, in this embodiment, two plug-in slots 140 are provided on the side wall of the box body 100, and one plug-in slot 140 is provided on the upper end of the box body 100. The three plug-in slots 140 cooperate with three latches 400 to realize the splicing of two adjacent display screen installation boxes. In addition, a latch 400 is fully inserted into the plug-in slot 140 at the upper end of the box body 100, and the latch 400 is provided with a plurality of through holes 410, and the through holes 410 are used to assemble the hanging rings 411, so that the display screen installation box can be hoisted, and then the display screen 300 can be hoisted.

[0047] In this embodiment, refer to Figure 1-Figure 4 The display screen installation box also includes: a power supply 500 arranged in the box body 100.

[0048] The working principle of the present invention is roughly as follows: when the box cover 200 is rotated to open relative to the box body 100, the limiting protrusion 240 is separated from the lower side of the second extension arm 120, and the insertion part 210 moves in the direction away from the rotation end of the box body 100, but remains in the active cavity a, and the insertion part 210 is pressed against the lower side of the first extension arm 110 under the action of the elastic member 600, effectively preventing the box cover 200 from being closed without external force, which is convenient for installing or removing the display screen 300; at this time, the box cover 200 is closed relative to the box body 100, and the insertion part 210 is pressed against the lower side of the first extension arm 110 under the action of the elastic member 600, and the limiting protrusion 240 is pressed against the lower side of the second extension arm 120, effectively preventing the box cover 200 from being opened without external force, and realizing the opening and closing of the box cover 200 relative to the box body 100 without a hinge structure, with a simple structure, low cost, and convenient for installing and removing the display screen 300. At the same time, through the close cooperation between the latch 400 and the plug-in slot 140 , multiple display screen installation boxes can be horizontally spliced ​​together, and the latch 400 slidingly inserted into the plug-in slot 140 can also realize the rapid assembly and disassembly between multiple box bodies 100 .

[0049] The above is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A display screen installation box, comprising: A box body (100), and a box cover (200) with one end rotated on the box body (100) and the other end being a free end, wherein the box body (100) and the box cover (200) cooperate to install a display screen (300), characterized in that: A first extension arm (110) is provided on the upper side of the rotating end of the box body (100) and extends in the direction of the box cover (200); a second extension arm (120) is provided on the lower side of the rotating end of the box body (100) and extends in the direction of the box cover (200); the length of the second extension arm (120) is longer than the length of the first extension arm (110); and an active cavity (a) is enclosed between the rotating end of the box body (100), the first extension arm (110) and the second extension arm (120); The end of the rotating end of the box cover (200) is provided with an insertion portion (210) inserted into the movable cavity (a), and a limiting protrusion (240) corresponding to the second extension arm (120) is provided on the box cover (200) near the rotating end of the box cover (200); An elastic member (600) is disposed in the movable cavity (a), the upper end of which abuts against the lower side of the insertion portion (210) and the lower end of which abuts against the upper side of the second extension arm (120); When the box cover (200) is closed relative to the box body (100), the insertion portion (210) is pressed against the lower side of the first extension arm (110) under the action of the elastic member (600), and the limiting protrusion (240) is pressed against the lower side of the second extension arm (120); When the box cover (200) is opened relative to the box body (100), the limiting protrusion (240) is separated from the second extension arm (120), and the insertion portion (210) moves in a direction away from the rotation end of the box body (100), but remains in the movable cavity (a). The insertion portion (210) is also pressed against the lower side of the first extension arm (110) under the action of the elastic member (600).

2. The display screen installation box according to claim 1, characterized in that: The box cover (200) comprises: a box cover body (230), the insertion portion (210), and a connecting portion (220) connected between the box cover body (230) and the insertion portion (210); the connecting portion (220) is arranged obliquely, and when the box cover (200) is closed relative to the box body (100), the connecting portion (220) covers the end of the first extension arm (110) to the end of the second extension arm (120).

3. The display screen installation box according to claim 2, characterized in that: The end of the first extension arm (110) is provided with a first hook portion (111) extending towards the end of the second extension arm (120); the insertion portion (210) is provided with a second hook portion (211) corresponding to the first hook portion (111) on a side facing the first extension arm (110); when the box cover (200) is opened relative to the box body (100), the second hook portion (211) hooks the first hook portion (111).

4. The display screen installation box according to claim 3, characterized in that: A curved section (212) inserted into the active cavity (a) is provided at the connection point between the insertion portion (210) and the connection portion (220); a recessed portion (213) is formed between the second curved hook portion (211) and the curved section (212); when the box cover (200) is opened relative to the box body (100), the first curved hook portion (111) is inserted into the recessed portion (213).

5. The display screen installation box according to claim 4, characterized in that: A tip protrusion (112) is provided on a side of the first extension arm (110) facing the second extension arm (120); When the box cover (200) is closed relative to the box body (100), the outer side of the second hook portion (211) presses against the inclined surface of the tip protrusion (112) under the action of the elastic member (600); When the box cover (200) is opened relative to the box body (100), the end of the insertion portion (210) presses against the elastic member (600), and under the action of the elastic member (600), the first hook portion (111) presses against the recessed portion (213).

6. The display screen installation box according to claim 2, characterized in that: A third hook portion (121) is provided on a side of the second extension arm (120) facing the first extension arm (110); when the box cover (200) is closed relative to the box body (100), the outer side of the third hook portion (121) presses against the connecting portion (220).

7. The display screen installation box according to any one of claims 1 to 6, characterized in that: The elastic member (600) is a spring sheet.

8. The display screen installation box according to any one of claims 1 to 6, characterized in that: The display screen installation box further comprises: a first magnetic attraction member (130) fixedly mounted in the box body (100) and used for magnetically attracting the display screen (300).

9. The display screen installation box according to any one of claims 1 to 6, characterized in that: The outer wall of the box body (100) is provided with a plug-in slot (140) which is through-through from front to back and is used for the plug (400) to be slidably inserted, and adjacent display screen (300) installation boxes are spliced ​​by means of the plug (400).

10. The display screen installation box according to claim 9, characterized in that: One of the plug-in slots (140) is opened at the upper end of the box body (100), and one of the latches (400) is completely inserted into the plug-in slot (140). The latch (400) is provided with a plurality of through holes (410), and the through holes (410) are used to assemble the lifting rings (411).

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