An automatic protection device for a display screen box

Abstract

The present invention relates to the field of display screen protection technology, and in particular to an automatic protection device for a display screen housing, comprising a protection plate and a mounting base, two mounting plates spaced apart on the protection plate, guide grooves provided on the side walls of the mounting plates, two side plates provided on the mounting base, track buckles provided on the side plates, two swinging members spaced apart between the two side plates, one end of the swinging member being rotatably connected to the side plate, and the other end of the swinging member being rotatably connected to the mounting base, a protrusion being provided on the circumferential side wall of the first rotating shaft of the swinging member facing the mounting base, a magnet seat being rotatably connected to the protrusion, a magnet being fixed to the magnet seat, and a torsion spring being provided on the first rotating shaft. The automatic protection device for a display screen housing obtained by the present invention can effectively achieve good protection of the LEDs of the display screen housing by the protection plate in a natural state, and can be automatically retracted when the display screen housings are spliced without affecting the splicing.

Description

Technical Field

[0001] The present invention relates to the technical field of display screen protection, in particular to an automatic protection device for a display screen box. Background Art

[0002] The display cabinet is mainly composed of a frame and display panels. In order to protect the display panels from damage during the transportation and splicing of the display cabinet, corner protection devices are generally installed on the display cabinet.

[0003] Currently, the most commonly used method is to directly attach the corner parts to the four corners of the display cabinet. However, the disadvantage is that it is inconvenient to manually attach the parts every time the screen is disassembled, and it is also easy to fall off during transportation.

[0004] Another method is to use a protective plate to fix it on the side of the display box, but this requires disassembly during splicing, which is very inconvenient.

[0005] For example, Chinese utility model patent 201922307239.4 describes an LED cabinet frame protection device, comprising a protective strip and a connecting assembly. The protective strip is a slat element with a width that matches the width of the cabinet frame to which it is connected. The connecting assembly includes a connecting element and a connecting structure that matches the connecting element. This LED cabinet frame protection device solves the problem of LED lamp beads being easily damaged during assembly, disassembly, and transportation of LED display cabinets. However, it can cause inconvenience during splicing and other processes.

[0006] Therefore, there is a need for a protection device that can protect the edge of the display cabinet and can be automatically retracted during the splicing process of the display cabinet. Summary of the Invention

[0007] In order to solve the above technical deficiencies, the present invention provides an automatic protection device for a display screen cabinet, which can retract the protection plate when the display screen cabinets are spliced and automatically provide peripheral protection function when the display screen cabinets are independent.

[0008] The present invention discloses an automatic protection device for a display screen box, comprising a protection plate and a mounting base, wherein at least one group of mounting plates is arranged on the protection plate, each group of mounting plates has two mounting plates, and the two mounting plates are arranged at intervals on the protection plate, a guide groove is provided on the side wall of the mounting plate, two side plates are provided on the mounting base, and track buckles are provided on the side plates, and the track buckles on the side plates are arranged in the guide grooves of the mounting plates on corresponding sides, and at least two swinging members are arranged at intervals between the two side plates, one end of the swinging member has a first rotating shaft, the first rotating shaft is rotatably connected to the side plate, the other end of the swinging member has a second rotating shaft, the second rotating shaft is rotatably connected to the mounting base, a protrusion is provided on the circumferential side wall of the first rotating shaft on the side of the swinging member facing the mounting base, a magnet seat is rotatably connected to the protrusion, and a magnet is fixed on the magnet seat; a torsion spring is provided on the first rotating shaft and / or the second rotating shaft, and the torsion spring urges the swinging member to rotate to one side, and in a natural state, the distance between the rotation center of the magnet seat on the protrusion and the protection plate is greater than the distance between the center of the first rotating shaft and the protection plate.

[0009] In the above solution, the mounting seat is fixed on the side wall of the display screen box and can be fixedly connected by bolts. The size of the protective plate corresponds to the side wall of the display screen box. The mounting plate on the protective plate corresponds to the mounting seat, and each mounting seat corresponds to two mounting plates. Generally, a set of mounting plates is provided at both ends of each protective plate. The mounting plate can be located outside the side plate of the mounting seat, and the guide groove is provided on the inner side of the mounting plate. Of course, the mounting plate can also be located inside the side plate of the mounting seat, and the guide groove is provided on the outer side of the mounting plate. In the natural state, the torsion spring drives the swinging member to rotate to the maximum extent relative to the mounting seat, prompting the protective plate to move to one end of the mounting seat. At this time, the protective plate can cover the side of the display panel of the display screen box and protect the display screen box. When the two display screen boxes are spliced together, the magnets in the protective devices on the butt-jointed side walls of the two display screen boxes attract each other and move closer. At this time, the suction force of the magnets causes the magnet mounting seat to move toward the side of the protective plate. In this process, the first rotation needs to overcome the elastic force of the torsion spring and rotate, causing the protective plate to move in the opposite direction, that is, retract to the side of the display panel of the display screen box and produce a certain displacement toward the mounting seat. At this time, the display panels of the display screen boxes can be completely spliced together.

[0010] Therefore, the above solution can automatically retract the protection plate during the splicing process of the display cabinet, and automatically extend the protection plate when the display cabinet is not spliced to protect the display panel.

[0011] Connecting rods are connected to the swinging members between the same set of mounting plates. These connecting rods are pivotally connected to the swinging members via pins, and the connecting rods are connected to the swinging members at the same location. This connecting rod design ensures that all swinging members within the same set of mounting plates swing in unison, resulting in smoother movement of the protective plates without jamming or other issues.

[0012] The first rotating shaft is a hollow structure, and a connecting shaft is passed through the first rotating shaft. The connecting shaft is fixed to the first rotating shaft, and both ends of the connecting shaft are rotatably connected to the mounting plate. The rotating shaft in the first rotating shaft is connected to the mounting plate, making the rotation smoother.

[0013] The connecting shaft, located within at least one corresponding first rotating shaft between all mounting plates on a single protective plate, is an integrated structure. By integrating one of the swinging members between each set of mounting plates on the protective plate through at least one connecting shaft and combining it with the design of the connecting rods between the rotating members, all swinging members can achieve synchronous rotation, resulting in more stable and smooth movement of the protective plate.

[0014] The protective plate has a hollowed-out area at the magnet's location, and a shielding cover is installed on the protective plate in the hollowed-out area. This design allows for a relatively thin shielding cover, which strengthens the magnetic connection between the two display screens when they are docked, making the protective plate retract faster and more reliable.

[0015] The automatic protection device for a display screen box obtained by the present invention can effectively realize good protection of the LED of the display screen box by the protection plate in a natural state, and can be automatically retracted when the display screen boxes are spliced without affecting the splicing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the automatic protection device of the present invention on the display screen box;

[0017] Figure 2 This is a schematic diagram of an explosion of the automatic protection device of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the mounting base of the present invention;

[0019] Figure 4 It is a structural schematic diagram of the swing member of the present invention;

[0020] Figure 5 This is a schematic diagram of the docking status of two display screen cabinets;

[0021] Figure 6 for Figure 5 EE cross-sectional diagram (protection plate is in protection state);

[0022] Figure 7 for Figure 6 A magnified schematic diagram of point A;

[0023] Figure 8 for Figure 5 EE cross-sectional diagram (protection plate in retracted state);

[0024] Figure 9 for Figure 8 A magnified schematic diagram of . DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0026] Example 1:

[0027] like Figures 1-9 As shown, the present invention discloses an automatic protection device for a display screen box, including a protection plate 2 and a mounting seat 3. Two groups of mounting plates 4 are arranged on the protection plate 2. The two groups of mounting plates 4 are respectively at the two ends of the protection plate 2. Each group of mounting plates 4 has two, and the two mounting plates 4 are arranged on the protection plate 2 at intervals. The two mounting plates 4 are parallel, and a guide groove 5 is provided on the side wall of the mounting plate 4. Two side plates 6 are provided on the mounting seat 3, and a track buckle 7 is provided on the side plate 6. The track buckle 7 on the side plate 6 is arranged in the guide groove 5 of the mounting plate 4 on the corresponding side. Two swinging members 8 are arranged between the two side plates 6 at intervals, and one end of the swinging member 8 has a first rotating member. Shaft 9, the first rotating shaft 9 is rotatably connected to the side plate 6, and the other end of the swinging member 8 is provided with a second rotating shaft 10, which is rotatably connected to the mounting seat 3. A protrusion 17 is provided on the circumferential side wall of the first rotating shaft 9 on the side of the swinging member 8 facing the mounting seat 3, and a magnet seat 13 is rotatably connected to the protrusion 17, and a magnet 12 is fixed on the magnet seat 13; a torsion spring 14 is provided on the first rotating shaft 9, and the torsion spring 14 prompts the swinging member 8 to rotate to one side. In a natural state, the distance between the rotation center of the magnet seat 13 on the protrusion 17 and the protective plate 2 is greater than the distance between the center of the first rotating shaft 9 and the protective plate 2.

[0028] Each side panel 6 is provided with a track buckle 7 at each end, and each mounting plate 4 may have one or two guide slots 5. In this embodiment, each mounting plate 4 has two guide slots 5, one corresponding to each track buckle 7. One end of the guide slot 5 extends obliquely toward the protective plate 2. Therefore, when the protective plate 2 is retracted, the inclined guide slot 5 and the positional relationship between the first rotating shaft 9 and the protrusion 17 cause the protective plate 2 to move a certain distance toward the mounting base 3, thereby being retracted into the display panel of the display housing 1, thereby preventing interference during the splicing of the display housing 1. Of course, in other embodiments, the width of the guide slot 5 can be greater than the size of the track buckle 7, that is, the protective plate 2 can also move a certain distance toward one end of the mounting base 3.

[0029] Connecting rods 11 are connected to the swinging members 8 between the same set of mounting plates 4. The connecting rods 11 are rotatably connected to the swinging members 8 via a pin, and the connecting rods 11 are connected to the swinging members 8 at the same position. The design of the connecting rods 11 ensures that all the swinging members 8 between the same set of mounting plates 4 swing in unison, thus making the movement of the protective plates 2 smoother and preventing jamming.

[0030] The first rotating shaft 9 is a hollow structure, and a connecting shaft 15 is passed through the first rotating shaft 9. The connecting shaft 15 is fixed to the first rotating shaft 9, and both ends of the connecting shaft 15 are rotatably connected to the mounting plate 4. The rotating shaft in the first rotating shaft 9 is connected to the mounting plate 4, making the rotation smoother.

[0031] The connecting shaft 15, which passes through the first rotating shaft 9 at a corresponding position between all the mounting plates 4 on a single protective plate 2, is an integral structure. This connecting shaft 15 integrally connects one of the swinging members 8 between each set of mounting plates 4 on the protective plate 2. Combined with the design of the connecting rod 11 between the rotating members, the rotation of all the swinging members is synchronized, resulting in more stable and smooth movement of the protective plate 2.

[0032] A hollow area is provided on the protective plate 2 at the position corresponding to the magnet 12, and a shielding cover 16 is provided on the protective plate 2 at the hollow area. The design of the shielding cover 16 allows the thickness of the shielding cover 16 to be relatively thin, so that the magnetism between the magnets 12 is stronger when the two display screen boxes 1 are docked, and the retraction of the protective plate 2 is faster and more reliable.

[0033] In the specific working process, the mounting seat 3 is fixed on the side wall of the display screen box 1 and can be fixedly connected by bolts. The size of the protective plate 2 corresponds to the side wall of the display screen box 1. The mounting plate 4 on the protective plate 2 corresponds to the mounting seat 3, and each mounting seat 3 corresponds to two mounting plates 4. In this embodiment, a group of mounting plates 4 are respectively provided at both ends of each protective plate 2. The mounting plate 4 can be located inside the side plate 6 of the mounting seat 3, and the guide groove 5 is provided on the outside of the mounting plate 4. In the natural state, the torsion spring 14 drives the swinging member 8 to rotate to the maximum extent relative to the mounting seat 3, prompting the protective plate 2 to move to one end of the mounting seat 3. At this time, the protective plate 2 can cover the side of the display panel of the display screen box 1 and can protect the display screen box 1. When the two display screen boxes 1 are spliced together, the magnets 12 in the protective devices on the butt-jointed side walls of the two display screen boxes 1 attract each other and approach each other. At this time, the suction force of the magnets 12 causes the magnet 12 mounting base 3 to approach the protective plate 2. In this process, the first rotation needs to overcome the elastic force of the torsion spring 14 and rotate, causing the protective plate 2 to move in the opposite direction, that is, to retract the side of the display panel of the display screen box 1 and produce a certain displacement toward the mounting base 3. At this time, the display panels of the display screen box 1 can be completely spliced together.

[0034] Therefore, the above solution can automatically retract the protection plate 2 during the splicing process of the display screen cabinet 1, and automatically extend the protection plate 2 when the display screen cabinet 1 is not spliced to protect the display panel.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to the interaction between two elements. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0037] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0038] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above in terms of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make some changes or modifications to equivalent embodiments using the technical contents disclosed above. However, any simplified modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An automatic protection device for a display screen cabinet, comprising a protection plate, characterized in that: The cam is secured to the side of the second support frame, and the mounting plate is adapted to engage the cam of the second support frame, wherein the cam is secured to the side of the second support frame with respect to the first support frame.

2. The automatic protection device for a display screen cabinet according to claim 1, characterized in that: A connecting rod is connected to the swing member between the same group of mounting plates. The connecting rod is rotatably connected to the swing member through a pin shaft, and the connection position of the connecting rod on the swing member is the same.

3. The automatic protection device for a display screen cabinet according to claim 1 or 2, characterized in that: The first rotating shaft is a hollow structure. A connecting shaft is provided inside the first rotating shaft. The connecting shaft is fixed to the first rotating shaft. Both ends of the connecting shaft are rotatably connected to the mounting plate.

4. The automatic protection device for a display screen cabinet according to claim 3, characterized in that: The connecting shaft passing through the first rotating shaft at at least one corresponding position between all the mounting plates on a protection plate is an integrated structure.

5. The automatic protection device for a display screen cabinet according to claim 1, characterized in that: A hollow area is provided on the protection plate at a position corresponding to the magnet, and a shielding cover is provided on the protection plate at the hollow area.

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