CN217919276U

CN217919276U - Seal box and display screen

Info

Publication number: CN217919276U
Application number: CN202221832609.1U
Authority: CN
Inventors: 甘志勇; 胡强; 黄伟云; 王次平; 丁崇彬
Original assignee: Shenzhen Absen Optoelectronic Co Ltd
Current assignee: Shenzhen Absen Optoelectronic Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-29
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a seal box and display screen, functional unit in the display screen sets up in the seal box. The seal box comprises a box body and a seal ring, the seal ring is arranged at the joint of the box body and the box cover, and the seal body of the seal ring is arranged between the box cover and the box body so as to seal a gap between the box cover and the box body. The extension of the waterproof perimeter is connected with the sealing body to be disposed between the box body and the lid, and the auxiliary sealing body reinforces the seal between the lid and the box body. In addition, the waterproof part of waterproof surrounding edge is convex towards the direction of lid, can carry out the stop to moisture to prevent moisture entering box main part's inside effectively, thereby strengthen the holistic leakproofness of seal box, avoid moisture to corrode the inside functional unit of box main part, in order to guarantee effectively that the display screen is in the normal use of damp environment such as open air.

Description

Seal box and display screen

Technical Field

The utility model relates to a display device technical field, in particular to seal box and display screen.

Background

With the development of display technology, the outdoor LED display screens are more and more in variety, are widely applied and are mainly used for displaying images outdoors so as to issue various information.

But the leakproofness of power pack is relatively poor among the current display screen, and inside moisture or moisture can immerse the power pack, lead to the demonstration of display screen unusual, burn the board, influence outdoor LED display screen's use, user experience is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the power pack leakproofness of display screen among the prior art relatively poor, inside moisture or moisture can dip the power pack, lead to the demonstration of display screen unusual, burn the board, influence the use of outdoor LED display screen, the user uses and experiences the relatively poor technical problem of sense.

In order to solve the technical problem, the utility model provides a sealing box, which comprises a box main body and a sealing ring, wherein the box main body comprises a box body with an opening and a box cover connected to the opening of the box body; the sealing ring is annular and is arranged at the joint of the box cover and the box body; the sealing ring comprises a sealing main body and a waterproof surrounding edge, and the sealing main body is arranged between the box cover and the box body; the waterproof surrounding edge comprises an extension part and a waterproof part, the extension part comprises a first end and a second end, the first end of the extension part is connected with the sealing main body, and the second end of the extension part extends to the inside of the box main body; the waterproof part is arranged at the second end of the extension part, and the waterproof part is convexly arranged on the surface of the extension part facing the box cover.

Optionally, the two opposite side surfaces of the extension part are respectively a first surface and a second surface, and the first surface is parallel to the second surface; the first surface with the surface of lid is laminated mutually, the second surface with the surface of box body is laminated mutually, waterproof portion protruding is established on the first surface of extension.

Optionally, the width of the extension part is 4mm-7mm, the thickness of the extension part is 0.35mm-0.45mm, and the thickness of the waterproof part is 0.25mm-0.35mm.

Optionally, the sealing washer still includes the bulkhead, the protruding the establishing of bulkhead the surface of sealed main part, the bulkhead with the sealed butt of lid, sealed main part deviates from the surface of bulkhead with the surface laminating of box body.

Optionally, in a direction in which the box cover is close to the box body, the width of the waterproof wall gradually increases, and the width of the widest part of the waterproof wall is 0.5mm-2mm.

Optionally, the waterproof wall is provided in plurality, and the plurality of waterproof walls are arranged at intervals on the surface of the sealing main body.

Optionally, an annular groove is formed in the end face of the opening of the box body, and the sealing main body is accommodated in the groove; a step-shaped structure is formed on the groove of the box body close to the opening of the box body, and the extension part is arranged on the step-shaped structure.

Optionally, the thickness of the sealing main body is 2.5mm-3.8mm, the shore hardness of the sealing ring is 20 degrees-40 degrees, and the ratio of the thickness of the sealing main body to the shore hardness of the sealing ring is in the range of 0.8.

Optionally, the sealing ring is a flexible member.

The utility model also provides a display screen, including box and functional component, functional component is including receiving card, keysets and power, its characterized in that, the display screen still includes foretell seal box, the seal box sets up on the box, functional component sets up the inside of box main part.

According to the above technical scheme, the beneficial effects of the utility model are that: the utility model discloses in seal box and display screen, functional unit in the display screen sets up in the seal box. The junction of the box body and the box cover of the sealing box is provided with a sealing ring, and a sealing body of the sealing ring is arranged between the box cover and the box body so as to realize sealing of a gap between the box cover and the box body. The extension of the waterproof surround is connected with the sealing body to be disposed between the box body and the lid, while the auxiliary sealing body reinforces the seal between the lid and the box body. In addition, the waterproof part of waterproof surrounding edge is convex towards the direction of lid, can carry out the stop to moisture to prevent moisture entering box main part's inside effectively, thereby strengthen the holistic leakproofness of seal box, avoid moisture to corrode the inside functional unit of box main part, in order to guarantee effectively that the display screen is in the normal use of damp environment such as open air.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the sealing box of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

FIG. 3 is a schematic view of the structure of the packing ring in the sealing box shown in FIG. 1

The reference numerals are explained below: 100. a sealing box; 10. a cartridge main body; 11. a box body; 111. a groove; 112. a step-shaped structure; 12. a box cover; 20. a seal ring; 21. a sealing body; 22. waterproof surrounding edges; 221. an extension portion; 222. a waterproof section; 23. a waterproof wall; 231. a first waterproof wall; 232. a second waterproof wall; 24. a via hole; 30. and (4) a screw.

Detailed Description

Exemplary embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments, and its several details are capable of modification in various other respects, all without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present application, it is to be understood that the indications of directions or positional relationships (such as up, down, left, right, front, rear, and the like) in the embodiments shown in the drawings are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, an embodiment of the present disclosure provides a sealing box 100, where the sealing box 100 includes a box main body 10 and a sealing ring 20. Wherein, the box body 10 includes a box body 11 having an opening and a box cover 12 connected to the opening of the box body 11.

The sealing ring 20 is in a square ring shape, the sealing ring 20 is arranged at the joint of the box cover 12 and the box body 11, and the sealing ring 20 comprises a sealing main body 21 and a waterproof surrounding edge 22. The sealing body 21 is disposed between the box cover 12 and the box body 11, the waterproof surrounding edge 22 includes an extending portion 221 and a waterproof portion 222, the extending portion 221 includes a first end and a second end, the first end of the extending portion 221 is connected to the sealing body 21, and the second end of the extending portion 221 extends to the inside of the box body 10. The waterproof portion 222 is disposed at a second end of the extending portion 221, and is protruded on a surface of the extending portion 221 facing the box cover 12.

A sealing ring 20 is arranged at the joint of the box body 11 and the box cover 12, and a sealing body 21 of the sealing ring 20 is arranged between the box cover 12 and the box body 11 to seal the gap between the box cover 12 and the box body 11. The extension 221 of the waterproof peripheral edge 22 is connected to the sealing body 21 to be disposed between the case body 11 and the cover 12, and the auxiliary sealing body 21 reinforces the sealing between the cover 12 and the case body 11. The waterproof portion 222 of the waterproof surrounding edge 22 protrudes toward the box cover 12, and can block moisture to effectively prevent moisture from entering the inside of the box body 10, thereby enhancing the sealing performance of the entire sealing box 100.

In this embodiment, an annular groove 111 is provided on an end surface of the opening of the box 11, the sealing body 21 is annular as a whole, and the sealing body 21 is accommodated in the groove 111. The groove 111 of the case 11 is formed with a stepped structure 112 near the opening of the case 11, and the extension 221 is disposed on the stepped structure 112.

The extending portion 221 of the present embodiment is annular, and two opposite side surfaces of the extending portion 221 are a first surface and a second surface, respectively. The first surface is parallel to the second surface, the first surface is attached to the surface of the box cover 12 facing the box body 11, and the second surface is attached to the surface of the step-shaped structure 112 in the box body 11.

The first surface and the second surface of the extension part 221 are parallel, and the flatness of connection between the box cover 12 and the box body 11 can be ensured through the arrangement of the box cover 12 and the first surface and the arrangement of the box body 11 and the second surface which are attached to each other, so that the connection tightness between the box cover 12 and the box body 11 is ensured.

The flashing 222 is ring-shaped and the cross-section of the flashing 222 is semi-circular. The waterproof portion 222 is protruded on the first surface of the extension portion 221, and the waterproof portion 222 can form a barrier in the box main body 10, so that moisture is prevented from entering the box main body 10, the overall sealing performance of the sealing box 100 is enhanced, and elements in the sealing box 100 are prevented from being damaged due to damp.

In this embodiment, the width of the extension part 221 is 4mm to 7mm, the thickness of the extension part 221 is 0.35mm to 0.45mm, and the thickness of the waterproof part 222 is 0.25mm to 0.35mm.

Further, the sealing ring 20 of the present embodiment further includes a waterproof wall 23. The waterproof wall 23 is provided to protrude from the surface of the seal body 21, and the waterproof wall 23 is in sealing contact with the surface of the lid 12 facing the case 11. In the present embodiment, the outer contour of the bulkhead 23 is approximately trapezoidal. In the direction that the box cover 12 is close to the box body 11, the width of the waterproof wall 23 is gradually increased, and the width of the widest part of the waterproof wall 23 is 0.5mm-2mm.

The gradual width arrangement of the waterproof wall 23 in the direction that the box cover 12 is close to the box body 11 enables the compression force to be gradually increased in the process that the box cover 12 is covered on the box body 11, so that the waterproof wall 23 strengthens the sealing between the box cover 12 and the box body 11, and the sealing performance of the whole sealing box 100 is effectively ensured.

With the sealing ring 20 of the present embodiment, the sealing body 21 and the waterproof wall 23 form a first seal between the box body 11 and the box cover 12, so as to ensure the sealing performance at the joint between the box cover 12 and the box body 11. The extension 221 of the waterproof surrounding edge 22 ensures the flatness of the connection between the box cover 12 and the box body 11 to form a second seal between the box cover 12 and the box body 11, so as to enhance the sealing performance at the connection between the box cover 12 and the box body 11. The second end of the extending portion 221 extends to the inside of the box main body 10, and the annular waterproof portion 222 can form a barrier in the inside of the box main body 10, so as to prevent moisture from entering the inside of the box main body 10, so that the waterproof portion 222 forms a third seal in the inside of the box main body 10, and the overall sealing performance of the sealing box 100 is effectively ensured.

The plurality of the waterproof walls 23 may be provided, and the plurality of the waterproof walls 23 are provided at intervals on the surface of the seal body 21. Each of the bulkheads 23 can be in sealing abutment with a surface of the lid 12.

In this embodiment, two waterproof walls 23 are provided, and the two waterproof walls 23 are spaced apart from each other on the surface of the seal body 21. The two flashing walls 23 are a first flashing wall 231 and a second flashing wall 232, respectively, wherein the second flashing wall 232 is arranged adjacent to the flashing rim 22.

The two ends of the sealing main body 21 are respectively an outer end and an inner end, and the waterproof surrounding edge 22 is connected to the inner end of the sealing main body 21. The distance between the first waterproof wall 231 and the end face of the outer end of the sealing main body 21 is 1mm-4mm. The distance between the first and second

waterproof walls

231 and 232 is 3mm to 6mm.

Further, the sealing ring 20 of the present embodiment is a flexible member, and the sealing ring 20 may be made of a flexible material such as rubber or silicone.

In the present embodiment, the thickness of the sealing main body 21 is 2.5mm to 3.8mm, and the shore hardness of the sealing ring 20 is 20 degrees to 40 degrees. The ratio range of the thickness of the sealing main body 21 to the shore hardness of the sealing ring 20 in the embodiment is 0.8.

In the actual processing process, the proper hardness of the sealing ring 20 can be selected according to the thickness of the sealing body 21 for matching, so as to ensure the sealing performance of the sealing ring 20 between the box cover 12 and the box body 11, for example, when the thickness of the sealing body 21 is 3mm, the shore hardness of the sealing ring 20 can be set to 30 degrees.

The box cover 12 of the embodiment is fixed on the box body 11 through screws 30 in a threaded manner, and through holes 24 are formed in the mounting positions of the sealing rings 20 corresponding to the screws 30. In this embodiment, the through hole 24 is formed on the sealing body 21 and is disposed between the first waterproof wall 231 and the second waterproof wall 232 to avoid affecting the sealing performance of the sealing body 21 and the waterproof wall 23, and ensure the sealing performance between the box cover 12 and the box body 11.

In addition, an embodiment of the application also provides a display screen. The display screen comprises a box body and a functional assembly, wherein the functional assembly comprises a receiving card, a switching board and a power supply. The display screen of the embodiment further includes a sealing box 100, and the structure of the sealing box 100 is as described above and is not described herein again. The sealing case 100 is provided on the case, and functional components are provided inside the case main body 10.

The junction of lid 12 and box body 11 is equipped with sealing washer 20, and sealing washer 20 can guarantee the holistic leakproofness of seal box 100 to prevent that moisture from getting into the inside of box main part 10, prevent that moisture from corroding the functional unit of display screen, avoid functional unit's short circuit damage and lead to the display screen to show unusual condition, guarantee that the display screen can normal use in humid environment such as open air.

It is understood that the sealed box 100 of the present application can be used in other products and applications requiring sealed packaging besides display screens.

To seal box and display screen of this application, functional component in the display screen sets up in the seal box. The junction of the box body and the box cover of the sealing box is provided with a sealing ring, and a sealing body of the sealing ring is arranged between the box cover and the box body so as to realize sealing of a gap between the box cover and the box body. The extension of the waterproof surround is connected with the sealing body to be disposed between the box body and the lid, while the auxiliary sealing body reinforces the seal between the lid and the box body. In addition, the waterproof part of waterproof surrounding edge is convex towards the direction of lid, can carry out the stop to moisture to prevent moisture entering box main part's inside effectively, thereby strengthen the holistic leakproofness of seal box, avoid moisture to corrode the inside functional unit of box main part, in order to guarantee effectively that the display screen is in the normal use of damp environment such as open air.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terms used are words of description and illustration, rather than words of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A sealed cartridge, comprising:

the box body comprises a box body with an opening and a box cover connected to the opening of the box body;

the sealing ring is annular and is arranged at the joint of the box cover and the box body; the sealing ring comprises a sealing main body and a waterproof surrounding edge, and the sealing main body is arranged between the box cover and the box body; the waterproof surrounding edge comprises an extension part and a waterproof part, the extension part comprises a first end and a second end, the first end of the extension part is connected with the sealing main body, and the second end of the extension part extends to the inside of the box main body; the waterproof part is arranged at the second end of the extension part, and the waterproof part is convexly arranged on the surface of the extension part facing the box cover.

2. The seal box of claim 1, wherein the opposite side surfaces of the extension portion are a first surface and a second surface, respectively, the first surface being parallel to the second surface; the first surface with the surface of lid laminates mutually, the second surface with the surface of box body laminates mutually, the protruding establishing of waterproof part on the first surface of extension.

3. The seal box of claim 1, wherein the extension has a width of 4mm to 7mm, the extension has a thickness of 0.35mm to 0.45mm, and the waterproof portion has a thickness of 0.25mm to 0.35mm.

4. The seal box of claim 1, wherein the seal ring further comprises a waterproof wall protruding from a surface of the seal body, the waterproof wall is in sealing abutment with the box cover, and a surface of the seal body facing away from the waterproof wall is attached to a surface of the box body.

5. The seal box of claim 4, wherein the width of the waterproof wall is gradually increased in a direction that the box cover approaches the box body, and the width of the widest part of the waterproof wall is 0.5mm-2mm.

6. The seal box of claim 4, wherein the plurality of waterproof walls are provided at intervals on the surface of the seal body.

7. The seal box according to claim 1, wherein an annular groove is provided on an end surface of the box body opening, and the seal body is accommodated in the groove; a step-shaped structure is formed on the groove of the box body close to the opening of the box body, and the extension part is arranged on the step-shaped structure.

8. The seal cartridge of claim 1, wherein the seal body has a thickness of 2.5mm-3.8mm, the seal ring has a shore hardness of 20 degrees-40 degrees, and the ratio of the thickness of the seal body to the shore hardness of the seal ring is in the range of 0.8.

9. The seal cartridge of claim 1, wherein the seal ring is a flexible member.

10. A display screen comprises a box body and a functional assembly, wherein the functional assembly comprises a receiving card, an adapter plate and a power supply, and the display screen is characterized by further comprising the sealing box of any one of claims 1 to 9, the sealing box is arranged on the box body, and the functional assembly is arranged inside the box main body.