Waterproof mounting structure and display screen

Abstract

The utility model relates to the technical field of display screens, in particular to a waterproof installation structure and a display screen. The waterproof mounting structure comprises a frame, and a power box base is arranged on the frame. The power supply box cover covers the power supply box base, the edge of the power supply box base or the power supply box cover is sunken inwards to form a waterproof groove, and a plurality of hard positioning columns are arranged in the waterproof groove at intervals; one end of the sealing ring is embedded in the waterproof groove, the other end of the sealing ring abuts against the lower end face of the power source box cover, a plurality of positioning holes are formed in the sealing ring, and each positioning column is inserted into the corresponding positioning hole. The hard positioning columns are riveted in the waterproof grooves, and the positioning holes matched with the positioning columns are additionally formed in the sealing ring, so that the power supply box base, the power supply box cover and the sealing ring can be quickly mounted and positioned, the construction efficiency is improved, the mold structure is simplified, and the development cost is saved; and after the waterproof mounting structure is used for a long time, all parts are not prone to deformation, and matching is good.

Description

Technical Field

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

[0002] At present, LED display screens are widely used in outdoor advertising, public information display, stage performances and other fields. The application environment of display screens is complex and changeable, especially in rain, high humidity or extreme weather conditions, which puts extremely high demands on the waterproof performance of the display screen. However, the existing waterproof structure of LED display screens often has the disadvantages of cumbersome installation, difficult sealing, fast aging of waterproof materials, and inconvenient maintenance, which seriously affects the use effect and life of the display screen.

[0003] For example, the traditional LED display screen is: ① set a long positioning column on the back of the sealing ring, and make a waterproof groove on the front; ② make a sealing ring installation groove on the frame, and there is a positioning hole in the installation groove that matches the positioning column of the sealing ring; ③ make a protruding rib on the power box cover to match the waterproof groove on the sealing ring; after assembling the frame, sealing ring, and power box cover, squeeze the sealing ring to achieve waterproof inside the box. However, the above waterproof structure is difficult to install. Since the positioning column on the sealing ring is mostly made of relatively soft silicone material, the positioning column often fails to fit into the positioning hole due to insufficient hardness; and there are many silicone positioning columns, and it takes a long time to plug them one by one; after multiple disassembly and assembly, the sealing ring is easily deformed and floats up, resulting in the ribs of the power box cover not matching the waterproof groove on the sealing ring during assembly, making installation difficult.

[0004] Therefore, it is particularly important to develop a display screen waterproof structure that is easy to install, has excellent waterproof performance and is simple to maintain. Utility Model Content

[0005] The utility model aims to provide a waterproof installation structure and a display screen, aiming to solve the technical problem of the inconvenience of installation of the traditional display screen power box installation structure.

[0006] To achieve the above-mentioned purpose, the utility model provides a waterproof installation structure, comprising a frame, on which a power box base is provided;

[0007] A power box cover, which is arranged on the power box base, and the power box cover and the power box base together enclose a storage space, the storage space is used to install the electrical components of the display screen, the edge of the power box base or the power box cover is recessed inward to form a waterproof groove, and a plurality of hard positioning columns are arranged in the waterproof groove at intervals;

[0008] A sealing ring, one end of which is embedded in the waterproof groove, and the other end of which is in contact with the lower end surface of the power box cover, and a plurality of positioning holes are opened on the sealing ring, and each positioning column is inserted into the corresponding positioning hole.

[0009] Preferably, the upper surface of the sealing ring is recessed downward to form a groove.

[0010] Preferably, a plurality of waterproof convex strips are provided in the groove and are distributed at intervals, the lower end surface of the power box cover is a plane, and the waterproof convex strips abut against the lower end surface of the power box cover.

[0011] Preferably, at least two waterproof convex strips are provided in the groove.

[0012] Preferably, the height of the power box base or the edge of the power box cover is H, the depth of the waterproof groove is D, and D<H / 2.

[0013] Preferably, the positioning column is made of stainless steel or plastic.

[0014] Preferably, it further comprises a locking member and a fixing portion, wherein the fixing portion is protrudingly arranged on the outside of the power box base, and the locking member is rotatably arranged on the outside of the power box cover, so that:

[0015] When the locking member is rotated forward, the locking member moves to be engaged and fixed with the fixing portion, and the power box base and the power box cover are in a locked state;

[0016] When the connecting portion is rotated in the reverse direction, the locking member is no longer fastened to the fixing portion after being rotated, and the power box base and the power box cover are in a loosened state.

[0017] Preferably, a locking member is provided at each end of the power box cover, and the locking member comprises a connecting portion and a locking hook;

[0018] The connecting portion includes a first connecting arm, a second connecting arm and a third connecting arm, the first connecting arm and the third connecting arm are connected through the third connecting arm, and the three define an installation space, the end of the power box cover is located in the installation space, the first connecting arm and the third connecting arm are respectively rotatably arranged on both sides of the power box cover, and the two locking hooks are respectively arranged on the outside of the first connecting arm and the third connecting arm; the first connecting arm and the third connecting arm are provided with a first limiting block, and the ends of the first connecting arm and the third connecting arm are also provided with a second limiting block, and the rotation angle of the locking hook is limited between the first limiting block and the second limiting block, so that:

[0019] When the connecting part is rotated forward, the locking hook is driven to rotate synchronously, the locking hook is fixed on the fixing part, and the power box base and the power box cover are in a locked state;

[0020] When the connecting portion is rotated in the reverse direction, the locking hook is driven to reverse, and the locking hook is disengaged from the fixing portion, and the power box base and the power box cover are in a loosened state.

[0021] Preferably, a lifting portion is also provided on the outer side of the power box base, and the lifting portion is located on one side of the fixed portion, and the end of the second limit block is arc-shaped, so that: when the connecting portion is rotated in the reverse direction, the second limit block rotates synchronously to abut against the lifting portion, lifting the power box cover, and causing the power box cover to move to the side away from the power box base.

[0022] In addition, the utility model also provides a display screen, the rear side of which is provided with any of the above-mentioned waterproof installation structures.

[0023] The utility model discloses a waterproof installation structure and a display screen, which have the following beneficial effects: by riveting a hard positioning column in a waterproof groove of a power box cover or a power box base, a positioning hole is added on a sealing ring to match the positioning column, thereby simplifying the mold structure and saving development costs; since a hard positioning column is used, there is hard contact between the positioning column and the positioning hole, rapid installation and positioning between the power box base, the power box cover and the sealing ring can be achieved, labor costs are reduced, construction efficiency is improved, and it can also be ensured that the components of the waterproof installation structure will not be deformed after long-term use, the fit is good, and the service life is long. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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 the structures shown in these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of the power box cover and waterproof ring of the traditional display screen installation structure;

[0026] Figure 2 It is a structural schematic diagram of a traditional display screen installation structure;

[0027] Figure 3 It is a structural schematic diagram of the frame of the waterproof installation structure of the utility model;

[0028] Figure 4 for Figure 3A local enlarged schematic diagram of the middle A;

[0029] Figure 5 It is a schematic diagram of the partial structure of the sealing ring of the waterproof installation structure of the utility model;

[0030] Figure 6 It is a structural schematic diagram of the power box cover of the waterproof installation structure of the utility model;

[0031] Figure 7 It is a structural schematic diagram of the waterproof installation structure of the utility model in the first rotation state;

[0032] Figure 8 It is a structural schematic diagram of the waterproof installation structure of the utility model in the second rotation state;

[0033] Fig. 9 It is a structural schematic diagram of the waterproof installation structure of the utility model in the third rotation state;

[0034] Fig.10 It is a structural schematic diagram of the locking member of the waterproof installation structure of the utility model.

[0035] In the accompanying drawings: 1-frame, 11-power box base, 111-lifting part, 2-power box cover, 3-waterproof groove, 31-positioning column, 4-sealing ring, 41-positioning hole, 42-groove, 43-waterproof convex strip, 5-locking piece, 51-connecting part, 511-first connecting arm, 512-second connecting arm, 513-third connecting arm, 514-installation space, 515-first limit block, 516-second limit block, 52-lock hook, 6-fixing part.

[0036] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] It should be noted that if a directional indication is involved in the embodiments of the present invention, the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their 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 at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0040] like Figures 3 to 6 As shown, a waterproof installation structure comprises a frame 1, on which a power box base 11 is provided;

[0041] A power box cover 2, which is arranged on the power box base 11, and the power box cover 2 and the power box base 11 together enclose a storage space, and the storage space is used to install the electrical components of the display screen, and the edge of the power box base 11 or the power box cover 2 is recessed inward to form a waterproof groove 3, and a plurality of hard positioning columns 31 are arranged in the waterproof groove 3;

[0042] The sealing ring 4 has one end embedded in the waterproof groove 3 and the other end abutting against the lower end surface of the power box cover 2 , and a plurality of positioning holes 41 are opened on the sealing ring 4 , and each positioning column 31 is inserted into the corresponding positioning hole 41 .

[0043] The waterproof installation structure of this solution is particularly suitable for LED display screens, and can also be used in lamps, home appliances or electronic products.

[0044] like Figure 1 to Figure 2 As shown, the traditional LED display screen is made by: setting a silicone positioning column 31a at the bottom of the waterproof ring, and making a waterproof groove 3b on the surface; making an installation groove for installing the waterproof ring on the frame 1, and there is a positioning hole 41 in the groove that matches the positioning column 31a of the waterproof ring; making a protruding rib c on the power box cover 2, and the rib c matches the waterproof groove 3b on the waterproof ring. After the three are assembled, the waterproof ring is squeezed to achieve waterproofing. However, the above waterproof structure is difficult to install, because the positioning column 31a on the waterproof ring is made of a relatively soft silicone material, and when it is inserted into the positioning hole 41, it will not be inserted into place due to insufficient hardness, and there are many silicone positioning columns 31a, and it takes a lot of time to insert them one by one; and after multiple disassembly and assembly, the rib c of the power box cover 2 is difficult to match the waterproof groove 3b on the waterproof ring, which is difficult to operate.

[0045] Therefore, this solution designs a structure that is more convenient to install and has excellent waterproof performance. The waterproof installation structure mainly includes a frame 1 with a power box base 11, a sealing ring 4 and a power box cover 2. A waterproof groove 3 for installing the sealing ring 4 is provided on the power box base 11 or the power box cover 2. The width of the sealing ring 4 matches the inner diameter of the waterproof groove 3. The sealing ring 4 fills the waterproof groove 3 to have a better waterproof effect. A hard positioning column 31 is riveted at the edge of the waterproof groove 3, and the positioning column 31 on the original sealing ring 4 is cancelled. A positioning hole 41 is added to the sealing ring 4 to match the hard positioning column 31 on the power box base 11 or the power box cover 2, which simplifies the mold structure and saves development costs. Due to the use of a hard positioning column 31, there is a hard contact between the positioning hole 41, which can realize the rapid installation and positioning between the power box base 11, the power box cover 2 and the sealing ring 4, reducing labor costs and improving construction efficiency. It can also ensure that the components of the waterproof installation structure will not be deformed after long-term use, and the matching is good and the service life is long.

[0046] Furthermore, the upper surface of the sealing ring 4 is concave downward to form a groove 42. The sealing ring 4 is generally made of rubber material that can fill the waterproof groove 3. A shallow groove 42 is provided above the sealing ring 4, so that external water vapor is less likely to enter the accommodating space from the waterproof groove 3, and the waterproof effect is better.

[0047] In other embodiments, the surface of the sealing ring 4 can be set to be a plane, that is, the groove 42 is not set, and the surface of the sealing ring 4 directly abuts against the bottom end of the power box cover 2.

[0048] Furthermore, a plurality of waterproof convex strips 43 are arranged in the groove 42 at intervals, the lower end surface of the power box cover 2 is a plane, and the waterproof convex strips 43 abut against the lower end surface of the power box cover 2. Figures 5 and 6 As shown, a plurality of protruding waterproof ridges 43 are provided in the waterproof groove 3, which are mainly used for extrusion sealing. The original ribs of the power box cover 2 are simultaneously adjusted to a plane, which is convenient for contact and extrusion with the waterproof ridges 43 on the sealing ring 4, and can effectively increase the waterproof contact surface of the two. Compared with the traditional design, this solution simplifies the original waterproof structure, and also improves the waterproof performance of the installation structure, ensuring that the installation structure can be applied to various environmental conditions and extending the service life.

[0049] Furthermore, at least two waterproof convex strips 43 are provided in the groove 42. The number of lines on the sealing ring 4 can be 1 to 10. The more lines there are, the better the waterproof effect is. Generally, more than two waterproof convex strips 43 are provided.

[0050] Furthermore, the height of the edge of the power box base 11 or the power box cover 2 is H, and the depth of the waterproof groove 3 is D, where D<H / 2. The depth of the waterproof groove 3 is set to the above range, while ensuring a good waterproof effect, it will not affect the strength of the edge of the power box base 11 or the power box cover 2, ensuring that the waterproof installation structure is not easily damaged after multiple disassembly and assembly, and has a long service life.

[0051] Furthermore, the material of the positioning column 31 is any one of stainless steel or plastic. The positioning column 31 riveted on the power box base 11 or the power box cover 2 can be a stainless steel positioning column 31 or a plastic positioning column 31, which has high hardness and is not easy to deform. Of course, the positioning column 31 can also be directly die-casted with the power box base 11 or the power box cover 2.

[0052] Furthermore, it also includes a locking member 5 and a fixing portion 6, wherein the fixing portion 6 is protrudingly arranged on the outside of the power box base 11, and the locking member 5 is rotatably arranged on the outside of the power box cover 2, so that:

[0053] When the locking member 5 is rotated forward, the locking member 5 moves to be fastened and fixed with the fixing portion 6, and the power box base 11 and the power box cover 2 are in a locked state;

[0054] When the connecting portion 51 is rotated in the reverse direction, the locking member 5 is no longer fastened to the fixing portion 6 after being rotated, and the power box base 11 and the power box cover 2 are in a loosened state.

[0055] like Figures 7 to 10 As shown, in this embodiment, in order to further ensure the waterproof effect of the installation structure, the power box cover 2 and the power box base 11 are locked by the cooperation of the locking member 5 and the fixing portion 6. Among them, a rotatable locking member 5 is provided on the power box cover 2, and a corresponding fixing portion 6 is provided on the power box base 11. The locking member 5 can be fixed or loosened with the fixing portion 6 during the rotation process. When the locking member 5 is fastened and fixed to the fixing portion 6, the power box base 11 and the power box cover 2 are in a completely locked state, and the waterproof structure has an excellent waterproof effect. When it is necessary to install, disassemble or replace the electrical components in the accommodating space, the locking member 5 is rotated so that the locking member 5 is no longer fastened to the fixing portion 6, and the power box base 11 and the power box cover 2 are both separated, which is convenient for operation.

[0056] Of course, in other embodiments, the power box cover 2 and the power box base 11 may also be fixed by screws or buckles.

[0057] Furthermore, a locking member 5 is provided at each end of the power box cover 2, and the locking member 5 includes a connecting portion 51 and a locking hook 52;

[0058] The connecting portion 51 includes a first connecting arm 511, a second connecting arm 512 and a third connecting arm 513, the first connecting arm 511 and the third connecting arm 513 are connected through the third connecting arm 513, and the three define an installation space 514, the end of the power box cover 2 is located in the installation space 514, the first connecting arm 511 and the third connecting arm 513 are respectively rotatably arranged on both sides of the power box cover 2, and the two locking hooks 52 are respectively arranged on the outside of the first connecting arm 511 and the third connecting arm 513; the first connecting arm 511 and the third connecting arm 513 are provided with a first limiting block 515, and the ends of the first connecting arm 511 and the third connecting arm 513 are also provided with a second limiting block 516, and the rotation angle of the locking hook 52 is limited between the first limiting block 515 and the second limiting block 516, so that:

[0059] When the connecting portion 51 is rotated forward, the locking hook 52 is driven to rotate synchronously, and the locking hook 52 is hooked and fixed on the fixing portion 6, and the power box base 11 and the power box cover 2 are in a locked state;

[0060] When the connecting portion 51 is rotated in the reverse direction, the locking hook 52 is driven to reverse, and the locking hook 52 is disengaged from the fixing portion 6 , and the power box base 11 and the power box cover 2 are in a loosened state.

[0061] In this embodiment, locking pieces 5 are provided at both ends of the power box cover 2, and fixing parts 6 are provided on both sides of both ends of the power box base 11, that is, four fixing parts 6 cooperating with the locking pieces 5 are provided on the power box base 11.

[0062] The first connecting arm 511 and the lock hook 52 on its outer side share the same rotating shaft, and the third connecting arm 513 and the lock hook 52 on its outer side share the same rotating shaft, and the centers of the two rotating shafts are consistent. Therefore, when the second connecting arm 512 is pressed down or lifted up, the first connecting arm 511, the third connecting arm 513 and the hook lock rotate simultaneously, and the rotation range of the lock hook 52 is limited by the first limit block 515 and the second limit block 516 to prevent it from rotating excessively. When the second connecting arm 512 is pressed down, the hook groove of the lock hook 52 hooks on the fixing part 6, so that the power box base 11 and the power box cover 2 are locked. When the second connecting arm 512 is lifted up, the fixing part 6 is disengaged from the hook groove of the lock hook 52, and the power box base 11 and the power box cover 2 are both separated.

[0063] Furthermore, a lifting portion 111 is also provided on the outer side of the power box base 11, and the lifting portion 111 is located on one side of the fixing portion 6. The end of the second limit block 516 is arc-shaped, so that: when the connecting portion 51 is rotated in the reverse direction, the second limit block 516 is synchronously rotated to abut against the lifting portion 111, lifting the power box cover 2, so that the power box cover 2 moves to the side away from the power box base 11.

[0064] In order to make the power box cover 2 and the power box base 11 disengage more quickly, a lifting portion 111 is further provided on the power box base 11. The lifting portion 111 is used in conjunction with the second limit block 516, that is, the second limit block 516 has a dual function. When the second connecting arm 512 is lifted upward, the first connecting arm 511, the third connecting arm 513 and the two locking hooks 52 rotate simultaneously, the fixing portion 6 is disengaged from the hook groove of the locking hook 52, and the second limit block 516 rotates along the rotating shaft to a lower position and abuts against the lifting portion 111. When the two abut, the power box cover 2 will be lifted up, as shown in FIG. Figure 8 As shown, there is a gap between the power box cover 2 and the power box base 11, so that the power box base 11 and the power box cover 2 can be quickly separated.

[0065] In addition, the utility model also proposes a display screen, wherein the rear side of the display screen is provided with any of the above-mentioned waterproof mounting structures. The display screen includes any of the above-mentioned waterproof mounting structures, and the display screen has the same beneficial effects as the above-mentioned waterproof mounting structures, which will not be described one by one here.

[0066] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A waterproof installation structure, characterized in that: include: A frame (1), wherein a power box base (11) is provided on the frame (1); A power box cover (2) is arranged on the power box base (11), and the power box cover (2) and the power box base (11) together enclose a storage space, and the storage space is used to install the electrical components of the display screen, and the edge of the power box base (11) or the power box cover (2) is recessed inward to form a waterproof groove (3), and a plurality of hard positioning columns (31) are arranged at intervals in the waterproof groove (3); A sealing ring (4), one end of which is embedded in the waterproof groove (3), and the other end of which is in contact with the lower end surface of the power box cover (2), and a plurality of positioning holes (41) are provided on the sealing ring (4), and each positioning column (31) is inserted into the corresponding positioning hole (41).

2. A waterproof installation structure according to claim 1, characterized in that: The upper surface of the sealing ring (4) is recessed downward to form a groove (42).

3. A waterproof installation structure according to claim 2, characterized in that: A plurality of waterproof convex strips (43) are arranged at intervals in the groove (42); the lower end surface of the power box cover (2) is a plane; and the waterproof convex strips (43) abut against the lower end surface of the power box cover (2).

4. A waterproof installation structure according to claim 3, characterized in that: At least two waterproof convex strips (43) are arranged in the groove (42).

5. A waterproof installation structure according to claim 1, characterized in that: The height of the edge of the power box base (11) or the power box cover (2) is H, the depth of the waterproof groove (3) is D, and D is less than H / 2.

6. A waterproof installation structure according to claim 1, characterized in that: The material of the positioning column (31) is any one of stainless steel and plastic.

7. A waterproof installation structure according to claim 1, characterized in that: It also comprises a locking member (5) and a fixing portion (6), wherein the fixing portion (6) is protrudingly arranged on the outside of the power box base (11), and the locking member (5) is rotatably arranged on the outside of the power box cover (2), so that: When the locking member (5) is rotated in the forward direction, the locking member (5) moves to be engaged and fixed with the fixing portion (6), and the power box base (11) and the power box cover (2) are in a locked state; When the locking member (5) is rotated in the reverse direction, the locking member (5) is no longer fastened to the fixing portion (6) after rotation, and the power box base (11) and the power box cover (2) are in a loosened state.

8. A waterproof installation structure according to claim 7, characterized in that: A locking member (5) is provided at each of the two ends of the power box cover (2), and the locking member (5) comprises a connecting portion (51) and a locking hook (52); The connecting portion (51) comprises a first connecting arm (511), a second connecting arm (512) and a third connecting arm (513); the first connecting arm (511) and the third connecting arm (513) are connected via the third connecting arm (513); and the three define an installation space (514); an end of the power supply box cover (2) is located in the installation space (514); the first connecting arm (511) and the third connecting arm (513) are respectively rotatably arranged at two ends of the power supply box cover (2); On the side, the two locking hooks (52) are respectively arranged on the outer sides of the first connecting arm (511) and the third connecting arm (513); the first connecting arm (511) and the third connecting arm (513) are provided with a first limiting block (515), and the ends of the first connecting arm (511) and the third connecting arm (513) are also provided with a second limiting block (516), and the rotation angle of the locking hook (52) is limited between the first limiting block (515) and the second limiting block (516), so that: When the connecting portion (51) is rotated in the forward direction, the locking hook (52) is driven to rotate synchronously, the locking hook (52) is hooked on the fixing portion (6), and the power box base (11) and the power box cover (2) are in a locked state; When the connecting portion (51) is rotated in the reverse direction, the locking hook (52) is driven to reverse, the locking hook (52) is disengaged from the fixing portion (6), and the power box base (11) and the power box cover (2) are in a loosened state.

9. A waterproof installation structure according to claim 8, characterized in that: The outer side of the power box base (11) is also provided with a lifting portion (111), and the lifting portion (111) is located on one side of the fixing portion (6). The end of the second limit block (516) is in an arc shape, so that: when the connecting portion (51) is rotated in the opposite direction, the second limit block (516) is synchronously rotated to abut against the lifting portion (111), lifting the power box cover (2) to move it to a side away from the power box base (11).

10. A display screen, characterized in that: The rear side of the display screen is provided with a waterproof installation structure as described in any one of claims 1 to 9.

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