Display device and power box of display device

Abstract

The present application relates to the technical field of display, and discloses a display device and a power box of a display device. The power box of a display device comprises: a housing provided with a cavity therein, wherein a sealing groove is circumferentially provided on an opening side of the housing; a sealing member disposed in the sealing groove, wherein the sealing member comprises a plurality of layers of waterproof rings distributed in a stepped manner; and a cover plate covering the opening side, wherein the sealing member is sandwiched between the cover plate and the housing, and the side of the sealing member that has a stepped distribution is attached to the cover plate. The plurality of layers of waterproof rings distributed in a stepped manner sequentially come into contact with the cover plate and undergo compressive deformation in sequence under the pressing action of the cover plate, and the amount of compressive deformation of the waterproof rings slowly increases in sequence. The design makes it easier to flatten the cover plate. Furthermore, the plurality of layers of waterproof rings with different amounts of compressive deformation allow for a relatively small force applied to the cover plate during pressing, thereby preventing the pressing plate from deforming and in turn affecting the waterproof sealing effect of the waterproof rings. Additionally, the present device has a simple structure, is convenient to manufacture, and can be popularized and used.

Description

Display device and power box of display device thereof

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese Patent Application No. 202421143146.7, filed May 21, 2024, entitled “A display device and a power box of a display device thereof,” which is incorporated by reference herein in its entirety. TECHNICAL FIELD

[0003] The present application relates to the technical field of display, more particularly, to a power box of a display device. In addition, the present application also relates to a display device comprising the power box of the display device. BACKGROUND

[0004] The waterproof structure of the conventional LED display screen has the following two problems when in use:

[0005] (1) It is difficult to flatten, that is, when the LED display screen is installed in the box with waterproof structure, the position with waterproof ring will have height difference with other planes, which leads to low flatness of the LED display screen, and further affects the display effect of the LED display screen;

[0006] (2) The waterproof level is low, that is, the waterproof structure of the conventional LED display screen usually directly compresses the waterproof ring on the to-be-assembled component to achieve waterproof through the compression amount of the waterproof ring. When the compression amount of the waterproof ring is large, the resilience of the waterproof ring is also relatively large, so the position of compressing the waterproof ring needs to have sufficient strength, otherwise the compression amount of the waterproof ring will not be enough or the to-be-assembled component will be deformed, which leads to low waterproof performance of the device.

[0007] In summary, how to improve the waterproof effect and assembly flatness of the LED display screen is a problem to be solved by the technical personnel in the field at present. SUMMARY

[0008] Therefore, the purpose of the present application is to provide a power box of a display device, which can improve the waterproof effect and assembly flatness of the LED display screen.

[0009] Another purpose of the present application is to provide a display device comprising the power box of the display device.

[0010] In order to achieve the above purpose, the present application provides the following technical solution:

[0011] A power box of a display device, comprising:

[0012] a housing, a cavity is arranged in the housing, and a sealing groove is arranged on the opening side of the housing in the circumferential direction;

[0013] A sealing member is arranged in the sealing groove, and the sealing member comprises a plurality of waterproof rings arranged in a stepped manner.

[0014] A cover plate is arranged on the opening side, and the sealing member is clamped between the cover plate and the shell, and one side of the sealing member arranged in a stepped manner is attached to the cover plate.

[0015] In one embodiment, the sealing member comprises three waterproof rings, and each waterproof ring is arranged at intervals.

[0016] In one embodiment, the height of the waterproof ring close to the cavity is greater than the height of the waterproof ring in the middle, and the height of the waterproof ring in the middle is greater than the height of the waterproof ring away from the cavity.

[0017] In one embodiment, the three waterproof rings are in an integrated structure.

[0018] In one embodiment, the outermost circle of the shell is provided with an outer waterproof brim, and the sealing groove is located in the inner circumferential part of the outer waterproof brim.

[0019] In one embodiment, the innermost circle of the shell is provided with an inner waterproof brim, and the sealing groove is located in the outer circumferential part of the inner waterproof brim.

[0020] In one embodiment, the height of the outer waterproof brim is greater than the height of the inner waterproof brim, and the height of the inner waterproof brim is greater than the maximum height of the sealing member.

[0021] In one embodiment, a water leakage groove is arranged around the edge of the shell between the outer waterproof brim and the sealing groove, the bottom of the outer waterproof brim is provided with a water outlet, and the water leakage groove and the water outlet are in communication.

[0022] In one embodiment, a plurality of first mounting racks are arranged at intervals in the circumferential direction of the cover plate, the shell is provided with a plurality of second mounting racks arranged in correspondence with the first mounting racks, and the first mounting racks and the second mounting racks are each provided with a mounting hole for mounting a fastener.

[0023] A display device comprises the power box of any one of the display devices.

[0024] When using the power box of the display device provided in the present application, first, the sealing member can be placed in the sealing groove of the shell, and then the cover plate and the opening side of the shell are connected in a cover connection. In the process of pressing the cover plate, the highest waterproof ring first contacts the cover plate, and the waterproof ring is compressed and deformed under the pressing action of the cover plate, so that the waterproof ring and the cover plate are sealingly connected. With the increase of the pressing force, the waterproof ring with the second height contacts the cover plate, and the waterproof ring is also compressed and deformed under the pressing action of the cover plate, so that the waterproof ring and the cover plate are sealingly connected.

[0025] That is, the waterproof rings in the multi-layer step distribution can be in contact with the cover plate in turn, and are compressed and deformed under the compression of the cover plate, so that the resistance of the compression sealing part of the cover plate is relatively small compared with the resistance of the waterproof ring directly in contact with the multi-layer waterproof ring. Since the multi-layer waterproof rings are in contact with the cover plate in turn, the compression deformation amount of each waterproof ring is increased in turn, which can make the cover plate more easily flattened. Moreover, the multi-layer waterproof rings with different compression deformation amounts can make the cover plate bear relatively small force when being compressed, so as to avoid the phenomenon of plate deformation, and further affect the waterproof sealing effect of the waterproof ring. In addition, the device has simple structure and is convenient to manufacture, and can be popularized and used.

[0026] To sum up, the power box of the display device provided in the application can improve the waterproof effect and assembly flatness of the LED display screen.

[0027] In addition, the application also provides a display device comprising the power box of the display device. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0029] Fig. 1 is an exploded view of the power box of the display device provided in the application;

[0030] Fig. 2 is an assembly schematic view of the shell and the sealing part;

[0031] Fig. 3 is a lower part enlarged view of Fig. 2;

[0032] Fig. 4 is a front view of Fig. 2;

[0033] Fig. 5 is an A-A cross-sectional view of Fig. 4;

[0034] Fig. 6 is an upper part enlarged view of Fig. 5.

[0035] Reference signs:

[0036] 1-shell; 11-cavity; 12-sealing groove; 13-outer water-blocking brim; 14-internal water-blocking brim; 15-water leakage groove; 16-drainage opening; 17-second mounting frame; 2-sealing part; 21-waterproof ring; 3-cover plate; 31-first mounting frame. DETAILED DESCRIPTION

[0037] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0038] The core of the present application is to provide a power box of a display device, which can improve the waterproof effect and assembly flatness of an LED display screen. Another core of the present application is to provide a display device comprising the power box of the display device.

[0039] Please refer to FIG. 1 to FIG. 6, FIG. 1 is an exploded view of the power box of the display device provided by the present application; FIG. 2 is an assembly diagram of the shell and the sealing member; FIG. 3 is a lower partial enlarged view of FIG. 2; FIG. 4 is a front view of FIG. 2; FIG. 5 is an A-A sectional view of FIG. 4; and FIG. 6 is an upper partial enlarged view of FIG. 5.

[0040] The present application provides a power box of a display device, comprising:

[0041] The shell 1 is internally provided with a cavity 11, and the opening side of the shell 1 is provided with a sealing groove 12 in the circumferential direction;

[0042] The sealing member 2 is arranged in the sealing groove 12, and the sealing member 2 comprises a plurality of waterproof rings 21 arranged in a stepped manner;

[0043] The cover plate 3 is arranged on the opening side, the sealing member 2 is arranged between the cover plate 3 and the shell 1, and the side of the sealing member 2 arranged in a stepped manner is attached to the cover plate 3.

[0044] It should be noted that the LED lamp plate can be arranged on the closed side of the shell 1, and the shape, structure, size, material, etc. of the shell 1, the sealing member 2 and the cover plate 3 can be determined according to the actual situation and actual demand in actual application.

[0045] When using the power box of the display device provided by the present application, first, the sealing member 2 can be arranged in the sealing groove 12 of the shell 1, and then the opening side of the cover plate 3 and the shell 1 is connected by being covered. During the pressing of the cover plate 3, the highest waterproof ring 21 first contacts the cover plate 3, and the waterproof ring 21 is compressed and deformed under the pressing action of the cover plate 3, so as to seal and connect the waterproof ring 21 and the cover plate 3. With the increase of the pressing force, the waterproof ring 21 with the second highest height contacts the cover plate 3, and the waterproof ring 21 is also compressed and deformed under the pressing action of the cover plate 3, so as to seal and connect the waterproof ring 21 and the cover plate 3.

[0046] That is, the waterproof ring 21 in the ladder-shaped distribution can be in contact with the cover plate 3 in turn, and is compressed and deformed under the compression of the cover plate 3, so that the resistance of the cover plate 3 to the compression sealing element 2 is relatively small. Since the waterproof ring 21 is in contact with the cover plate 3 in turn, the compression deformation amount of each waterproof ring 21 increases slowly in turn, which can make the cover plate 3 more easily flattened. Moreover, the waterproof ring 21 with different compression deformation amounts can make the stress of the cover plate 3 relatively small (directly and simultaneously compressing the waterproof ring 21), so as to avoid the deformation of the cover plate and affect the waterproof sealing effect of the waterproof ring 21. In addition, the device has simple structure and is convenient to manufacture, and can be popularized and used.

[0047] In summary, the power box of the display device provided by the application can improve the waterproof effect and assembly flatness of the LED display screen.

[0048] In one embodiment, the sealing element 2 includes three layers of waterproof rings 21, and the structure is shown in FIG. 6. The waterproof rings 21 are spaced apart from each other. The space between the waterproof rings 21 can facilitate the compression and deformation of the waterproof rings 21 under the extrusion of the cover plate 3. Moreover, the space between the waterproof rings 21 can form an annular groove, which can be used to accommodate water flow and prevent the water flow from entering the cavity 11 through the waterproof rings 21. Of course, in other embodiments, the sealing element 2 can include waterproof rings 21 with other number of layers, such as two layers, four layers, five layers, etc., without specific limitation.

[0049] In one embodiment, the height of the waterproof ring 21 close to the cavity 11 is greater than the height of the waterproof ring 21 in the middle, and the height of the waterproof ring 21 in the middle is greater than the height of the waterproof ring 21 far from the cavity 11, as shown in FIG. 6. The height mentioned in the application refers to the horizontal distance in the cross section shown in FIG. 6. The greater the height, the greater the horizontal distance.

[0050] It should be noted that a water leakage groove 15 for draining water can be arranged between the sealing groove 12 and the outermost circle of the shell 1. When the water potential is too large to drain the water in the water leakage groove 15 in time, the water will be blocked by the waterproof ring 21 in the ladder-shaped distribution. During the compression of the cover plate 3 to the shell 1, the shell 1 will first contact the waterproof ring 21 closest to the cavity 11, then contact the waterproof ring 21 in the middle, and finally contact the waterproof ring 21 far from the cavity 11.

[0051] If the sealing member 2 only includes one layer of sealing member 2 with a large compression amount (equivalent to the total compression amount of three waterproof rings 21), the entire plane of the sealing member 2 will be directly pressed when the cover plate 3 is pressed against the sealing member 2, the compression resistance is large, the rebound force is also large, a large force is required to press the cover plate 3 against the sealing member 2, at this time, the cover plate 3 is easy to deform, and the sealing effect of only one layer of waterproof ring 21 is general. In the present application, three layers of waterproof rings 21 are used in a stepped distribution, which can make the resistance smaller during the process of pressing the cover plate 3 against the sealing member 2, and the rebound force of the waterproof ring 21 is relatively small, which can avoid the deformation of the cover plate 3, and the multiple layers of waterproof rings 21 can improve the sealing effect of the device.

[0052] In addition, the gap between each layer of waterproof ring 21 can accommodate water, which is beneficial to avoid water directly entering the cavity 11 through the sealing member 2. Therefore, the sealing member 2 of the present application can ensure the compression amount while avoiding the LED display screen having a significant height difference, and improving the waterproof sealing effect of the LED display screen.

[0053] It should be noted that the compression amount of the three layers of waterproof rings 21 with different heights and in a stepped distribution is not the same. For example, the compression amount of the first layer of waterproof ring 21 can be set to 1.0 mm, the compression amount of the second layer of waterproof ring 21 can be set to 1.3 mm, and the compression amount of the third layer of waterproof ring 21 can be set to 1.5 mm. By setting three layers of waterproof rings 21 with different heights and different compression amounts, the stress on the cover plate 3 when the cover plate 3 is pressed against the sealing member 2 will not be too large, which can avoid the deformation of the cover plate 3 due to too much stress and affect the waterproof effect. In addition, the compression amount of each layer of waterproof ring 21 increases slowly, which can make the cover plate 3 more easily flattened, and can ensure the sealing connection effect between the cover plate 3 and the sealing member 2.

[0054] In one embodiment, the three layers of waterproof rings 21 are in an integrated structure to simplify the assembly process of the device, without the need to sequentially assemble each layer of waterproof ring 21 into the sealing groove 12.

[0055] In one embodiment, the outermost circle of the shell 1 is provided with an outer water-blocking eave 13, and the sealing groove 12 is located at the inner circumferential part of the outer water-blocking eave 13, as shown in Figures 3, 5 and 6. The outer water-blocking eave 13 is similar to a house tile and has a drainage function, which can block a part of water from entering the cavity 11 of the shell 1.

[0056] In one embodiment, the innermost circle of the shell 1 is provided with an inner water-blocking eave 14, and the sealing groove 12 is located at the outer circumferential part of the inner water-blocking eave 14, as shown in Figures 3, 5 and 6. The inner water-blocking eave 14 is similar to a house tile and has a drainage function, which can block a part of water from entering the cavity 11 of the shell 1. That is, the structures of the outer water-blocking eave 13 and the inner water-blocking eave 14 are similar, which can improve the sealing and waterproof effect of the device.

[0057] In one embodiment, the height of the outer water-blocking brim 13 is greater than the height of the inner water-blocking brim 14, and the height of the inner water-blocking brim 14 is greater than the maximum height of the sealing member 2, as shown in FIG. 6.

[0058] It should be noted that the outdoor LED display screen is usually vertically installed. Various connectors and electrical components can be placed in the cavity 11 of the shell 1 to avoid water damage to the device. The device can be sequentially provided with the outer water-blocking brim 13, the water leakage groove 15, the sealing member 2, and the outer water-blocking brim 13, as shown in FIG. 6. The water flow is first blocked by the outer water-blocking brim 13. When part of the water flow passes through the outer water-blocking brim 13 and enters the water leakage groove 15, the water flow can be discharged outward through the water leakage groove 15. When part of the water flow passes through the water leakage groove 15 and enters the sealing member 2, the multi-layered and ladder-shaped sealing member 2 is compressed and deformed after being pressed against the cover plate 3, and the multi-layered sealing ring can effectively seal the cover plate 3 to prevent water flow from entering the cavity 11. If part of the water flow still passes through the sealing member 2 and is blocked by the inner water-blocking brim 14, the water flow is further prevented from entering the cavity 11. That is, the device is provided with multiple waterproof and drainage methods, which effectively improves the sealing and waterproof effect of the device.

[0059] In one embodiment, the cover plate 3 is provided with a plurality of first mounting racks 31 spaced apart in the circumferential direction, and the shell 1 is provided with a plurality of second mounting racks 17 corresponding to the first mounting racks 31. The first mounting racks 31 and the second mounting racks 17 are each provided with a mounting hole for mounting a fastener, as shown in FIG. 1. That is, when the cover plate 3 is pressed against the sealing ring, the fastener can be sequentially inserted into the mounting holes of the first mounting racks 31 and the second mounting racks 17, and the fastener (such as a bolt) is tightened to ensure that the cover plate 3 and the shell 1 are connected and assembled in place. Moreover, the cover plate 3 is provided with a plurality of first mounting racks 31 in the circumferential direction, which can make the cover plate 3 more evenly stressed, thereby reducing the risk of deformation of the cover plate 3 due to uneven stress.

[0060] In one embodiment, the outer water-blocking brim 13 and the sealing groove 12 are provided with a water leakage groove 15 distributed around the edge of the shell 1, and the bottom of the outer water-blocking brim 13 is provided with a drainage port 16. The water leakage groove 15 and the drainage port 16 are in communication, as shown in FIG. 3. That is, when the water is too large and the water passes through the outer water-blocking brim 13 and enters the inside of the shell 1, the water will flow downward through the water leakage groove 15, and the water can flow to the drainage port 16 and finally be discharged outward through the drainage port 16 at the bottom of the outer water-blocking brim 13.

[0061] In addition to the power box of the display device described above, the present application also provides a display device comprising the power box of the display device disclosed in the above embodiments. The structures of other parts of the display device refer to the prior art, and will not be described herein.

[0062] In addition, it needs to be explained that the "inside and outside" and other indications of the orientation or position relationship of the present application are based on the orientation or position relationship shown in the drawings, which is only for the convenience of simplifying the description and understanding, and does 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 a limitation of the present application.

[0063] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. Any combination of all the embodiments provided by the present application is within the protection scope of the present application, which is not described here.

[0064] The display device and the power box of the display device provided by the present application are described in detail above. The principles and implementation manners of the present application are described by applying specific examples in this paper. The above description of the embodiments is only used to help understand the method and the core idea of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, the present application can be improved and modified in several ways. These improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A power box of a display device, comprising: a housing, the housing being internally provided with a cavity, and an opening side of the housing being circumferentially provided with a sealing groove; a sealing member being arranged in the sealing groove, the sealing member comprising a plurality of waterproof rings arranged in a stepped manner; a cover plate being arranged on the opening side, the sealing member being clamped between the cover plate and the housing, and a side of the sealing member arranged in a stepped manner being attached to the cover plate.

2. The power supply box of the display apparatus according to claim 1, wherein The sealing member comprises three waterproof rings, and the waterproof rings are arranged in a spaced manner.

3. The power supply box of the display device according to claim 2, wherein, The waterproof ring close to the cavity has a height greater than that of the waterproof ring in the middle, and the waterproof ring in the middle has a height greater than that of the waterproof ring far from the cavity.

4. The power supply box of the display device according to claim 2 or 3, wherein, The three waterproof rings are in an integral structure.

5. The power supply box of the display device according to any one of claims 1 to 4, wherein, The outermost circle of the housing is provided with an outer waterproof brim, and the sealing groove is located in the inner circumferential part of the outer waterproof brim.

6. The power supply box of the display apparatus according to claim 5, wherein The innermost circle of the housing is provided with an inner waterproof brim, and the sealing groove is located in the outer circumferential part of the inner waterproof brim.

7. The power supply box of the display device according to claim 6, wherein The height of the outer waterproof brim is greater than that of the inner waterproof brim, and the height of the inner waterproof brim is greater than the maximum height of the sealing member.

8. The power supply box of the display apparatus according to any one of claims 5 to 7, wherein A water leakage groove is arranged around the edge of the housing between the outer waterproof brim and the sealing groove, the bottom of the outer waterproof brim is provided with a drain port, and the water leakage groove and the drain port are in communication.

9. The power supply box of the display apparatus according to any one of claims 1 to 8, wherein, The cover plate is circumferentially provided with a plurality of first mounting racks at intervals, the housing is provided with a plurality of second mounting racks corresponding to the first mounting racks, and the first mounting racks and the second mounting racks are both provided with mounting holes for mounting fasteners.

10. The power pack of the display device according to any one of claims 2 to 4, wherein, In the three waterproof rings, the compression amount of the first waterproof ring is set to 1.0 mm, the compression amount of the second waterproof ring is set to 1.3 mm, and the compression amount of the third waterproof ring is set to 1.5 mm.

11. The power supply box of the display apparatus according to claim 1, wherein The sealing member comprises two or more than two waterproof rings, and the waterproof rings are arranged in a spaced manner.

12. A display device comprising: The power box of the display device according to any one of claims 1 to 11. The power box of the display device according to any one of claims 1 to 11.

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