CN221264228U

CN221264228U - Waterproof structure and electronic device

Info

Publication number: CN221264228U
Application number: CN202322676792.1U
Authority: CN
Inventors: 刘柳; 韩六二; 詹鑫
Original assignee: Huizhou Tongli Electronics Co ltd
Current assignee: Huizhou Tongli Electronics Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-07-02
Anticipated expiration: 2033-09-28

Abstract

The utility model provides a waterproof structure and an electronic device, wherein the waterproof structure comprises a shell and a protective piece; the shell comprises a shell and a rigid piece, the shell is provided with an opening, the rigid piece is arranged close to the opening, and the rigid piece is arranged on the side wall of the shell; the protecting piece cover is arranged on the opening and is connected with the shell in a sealing way. The strength of the shell is lower than that of the rigid part, and the situation that the shell is concave or convex and deformed after falling or high-low temperature storage easily occurs at the opening position where the shell is assembled with the protective part, so that gaps appear at the assembly position where the waterproof part is sealed with the shell, and the waterproof failure of the whole electronic equipment is caused; the waterproof structure is characterized in that a rigid piece is additionally arranged at the assembly position of the protective piece and the shell and is embedded in the side wall of the shell, so that the structural strength of the shell is enhanced, and the whole rigidity of the shell is kept without deformation. The waterproof structure has the advantages of difficult deformation and good waterproof effect.

Description

Waterproof structure and electronic device

Technical Field

The present disclosure relates to electronic devices, and particularly to a waterproof structure for an electronic device.

Background

With the continuous development of technology and the continuous improvement of living standard of people, the appearance of electronic products is more and more novel, and the products are more and more lightweight, so that the structural design mode of innovation is required to be considered in the structural design of the products.

Most of the current electronic products require the products to have waterproof function according to specific use scenes, and the products are limited in terms of lightweight design requirement and cost, such as plastic materials, because of physical property limitation of the plastic materials, the structural strength of the plastic materials is generally lower, and the products are easy to be waterproof and invalid in use scenes with related sealing waterproof requirements, thereby causing functional failure of the products.

In view of the foregoing, it is desirable to provide a new waterproof structure and an electronic device, which solve or at least alleviate the above-mentioned technical drawbacks.

Disclosure of utility model

The utility model mainly aims to provide a waterproof structure and an electronic device, and aims to solve the technical problem that a shell of an electronic product is easy to waterproof and lose efficacy in the prior art.

In order to achieve the above object, the present utility model provides a waterproof structure comprising:

The shell comprises a shell and a rigid piece, wherein an opening is formed in the shell, the rigid piece is arranged close to the opening, and the rigid piece is arranged on the side wall of the shell;

And the protecting piece is covered on the opening and is in sealing connection with the shell.

In an embodiment, a limiting protrusion is formed on the side wall of the housing, a limiting hole is formed in the rigid member, and the limiting protrusion is clamped in the limiting hole.

In an embodiment, along the direction far away from the inner wall surface of the shell, the size of the limiting protrusion is gradually expanded, and the size of the limiting hole is gradually expanded.

In an embodiment, the guard includes a top cover and a waterproof ring disposed on an outer periphery of the top cover, the waterproof ring being in interference fit with the housing.

In one embodiment, the outer wall surface of the top cover is formed with an annular groove, and the waterproof ring is embedded in the annular groove.

In an embodiment, the waterproof ring comprises a mounting portion and an interference portion, the mounting portion is mounted in the annular groove, the interference portion is arranged on the periphery of the mounting portion, and the interference portion extends out of the annular groove and is in interference fit with the shell.

In an embodiment, the interference portion tapers in a direction away from the mounting portion.

In an embodiment, the waterproof structure further comprises a support, the support is arranged in the shell, and the protection piece is connected with the support.

In an embodiment, the top cover is provided with a clamping portion, the clamping portion or the support is provided with a clamping hole, the support or the clamping portion is provided with a buckle, and the buckle is clamped with the clamping hole.

The utility model also provides an electronic device comprising the waterproof structure as set forth in any one of the above.

In the scheme, the strength of the shell relative to the rigid part is lower, and the situation that the shell is concaved or convexly deformed after falling or high-low temperature storage easily occurs at the opening position where the shell is assembled with the protective part, so that gaps appear at the assembly position where the waterproof part is sealed with the shell, and the whole electronic equipment is prevented from being failed; when one end of the protecting piece extends into the opening and is connected with the shell in a sealing way, the protecting piece is usually arranged in an interference fit way so as to ensure the sealing effect; according to the utility model, the rigid piece is additionally arranged at the assembling position of the protecting piece and the shell and is embedded in the side wall of the shell, so that the structural strength of the shell, especially the position at the opening, is enhanced, the shell is kept to be integrally undeformed, no matter the shell is stored at high and low temperature, the protecting piece is extruded or falls down, the rigid piece is arranged at the position close to the opening to support the shell, and due to the physical characteristics of the rigid piece, the structural strength is high, the rigid piece is not easy to deform due to the fact that the protecting piece covers the opening and is hermetically connected with the shell, and the rigid piece is not easy to deform, so that the appearance of the shell is not influenced. The utility model considers the lightweight design of the product, reduces the cost, has good waterproof function, designs a simple and novel structural design, can achieve reasonable balance between the lightweight and cost aspects of the product and the satisfaction of the use function, and has the advantages of difficult deformation and good waterproof effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a waterproof structure according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a waterproof structure according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a perspective cross-sectional view of a housing and rigid member of an embodiment of the present utility model;

FIG. 5 is a schematic view of a guard according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of the portion B of FIG. 5

Fig. 7 is a schematic cross-sectional view of a waterproof structure according to an embodiment of the present utility model;

fig. 8 is an enlarged view of a portion C in fig. 7.

Description of the reference numerals:

100. a waterproof structure; 1. a housing; 2. a guard; 3. a bracket; 4. a silica gel pad; 5. a fastener; 11. a housing; 12. a rigid member; 21. a top cover; 22. a waterproof ring; 31. a buckle; 111. an opening; 112. a limit protrusion; 121. a limiting hole; 211. an annular groove; 212. a clamping part; 213. a clamping hole; 221. a mounting part; 222. interference part.

The achievement of the object, functional features and advantages of the present utility model will be further described with reference to the drawings in connection with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a particular posture, and if the particular posture is changed, the directional indicators are changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 8, the present utility model provides a waterproof structure 100, wherein the waterproof structure 100 comprises a housing 1 and a protection member 2; the shell 1 comprises a shell 11 and a rigid piece 12, wherein the shell 11 is provided with an opening 111, the rigid piece 12 is arranged close to the opening 111, and the rigid piece 12 is arranged on the side wall of the shell 11; the guard 2 covers the opening 111 and is connected with the housing 1 in a sealing manner.

In the above embodiment, the strength of the casing 11 is relatively low compared with that of the rigid member 12, and in the position of the opening 111 where the casing 11 is assembled with the protection member 2, the situation that the casing 11 is concaved or convexly deformed after the casing 11 falls or is stored at high and low temperature easily occurs due to the low structural strength of the casing 11, so that a gap appears at the assembly position where the waterproof member is sealed with the casing 11, and the whole electronic equipment is in waterproof failure; when one end of the protection member 2 is inserted into the opening 111 and is connected with the housing 11 in a sealing manner, the protection member is usually arranged in an interference fit manner so as to ensure the sealing effect; in this embodiment, a rigid member 12 is added at the assembling position of the protection member 2 and the housing 11 and is embedded in the side wall of the housing 11, so that the structural strength of the housing 11, especially the position at the opening 111 is enhanced, the housing 1 is kept to be integrally undeformed, no matter the housing 11 is supported at the position close to the opening 111 through high-low temperature storage, extrusion or falling of the protection member 2, and the like, due to the physical characteristics of the rigid member 12, the structural strength is high, the rigid member 12 is not easy to deform due to the sealing connection between the protection member 2 and the housing 1, and the appearance of the housing 1 is not affected. The embodiment considers the lightweight design of the product, reduces the cost simultaneously, has good waterproof function, designs a simple and novel structural design of the structure, can achieve reasonable balance between the lightweight and cost aspects of the product and the satisfaction of the use function, and has the advantages of difficult deformation and good waterproof effect.

It should be noted that the housing 11 may be a plastic member, and the rigid member 12 is partially embedded in a sidewall of the housing 11. The shell 11 and the rigid piece 12 are combined into a whole in an injection molding mode of the shell 1, the rigid piece 12 is placed in a die in advance during processing, and the combination of the plastic and the rigid piece 12 is realized in the die through injection molding of the plastic, so that the shell 1 has light weight, moderate strength and rigidity, difficult deformation and lower part cost. In other embodiments, the housing 11 and the rigid member 12 may be separately manufactured, and the rigid member 12 may be fixed to the inner side of the housing 11.

Specifically, the rigid member 12 may be made of aluminum, aluminum alloy or 316 stainless steel (SUS 316), or may be made of a rigid metal material.

In order to make the connection between the rigid member 12 and the housing 11 tighter and firmer, referring to fig. 3 and 4, in an embodiment, the rigid member 12 is provided with a limiting hole 121, the inner wall surface of the housing 11 is formed with a limiting protrusion 112, and the limiting protrusion 112 is clamped in the limiting hole 121. The number of the limiting protrusions 112 may be plural, and each limiting protrusion 112 is matched with a limiting hole 121, so that the rigid member 12 is connected with the housing 11 more firmly.

Referring to fig. 3 and 4, further, the size of the limiting protrusion 112 is gradually widened along the direction away from the inner wall surface of the housing 11, and accordingly, the size of the limiting hole 121 is gradually widened. So that detachment of the rigid member 12 from the housing 11 can be avoided.

Referring to fig. 5 to 8, in an embodiment, the protector 2 includes a top cover 21 and a waterproof ring 22, the waterproof ring 22 is disposed at an outer periphery of the top cover 21, and the waterproof ring 22 is interference fit with the housing 1. The top cap 21 is connected with the shell 11 and covers the opening 111, in order to avoid steam to get into inside the casing 1 from the gap between top cap 21 and the shell 11, through setting up waterproof circle 22 in the periphery of top cap 21, the inner wall face butt casing 1 of top cap 21 sticiss waterproof circle 22 in order to realize sealed waterproof effect. Specifically, the interference amount between the waterproof ring 22 and the case 1 is 0.2mm to 0.4mm. The waterproof ring 22 is mainly in interference fit with the rigid member 12, but the limit protrusion 112 formed on the inner wall surface of the housing 11 may also be in interference fit with the waterproof ring 22.

Referring to fig. 2, 6 and 8, in one embodiment, an annular groove 211 is formed on an outer wall surface of the top cover 21, and the waterproof ring 22 is embedded in the annular groove 211. The annular groove 211 is provided for mounting the waterproof ring 22, so that the waterproof ring 22 can be prevented from falling off from the top cover 21, and at the same time, the waterproof ring 22 partially extends out of the annular groove 211 for interference fit with the inner wall surface of the rigid member 12. In some embodiments, the top cover 21 and the waterproof ring 22 may be manufactured separately, and then the top cover 21 and the waterproof ring 22 may be assembled; in other embodiments, the top cover 21 and the waterproof ring 22 may be integrally injection molded using a two-shot injection molding process.

Referring to fig. 6 and 8, specifically, the waterproof ring 22 includes a mounting portion 221 and an interference portion 222, the mounting portion 221 is provided to the annular groove 211, the interference portion 222 is provided around the outer periphery of the mounting portion 221, the interference portion 222 extends outward in the radial direction of the mounting portion 221 and protrudes out of the annular groove 211, and the interference amount of the waterproof ring 22, specifically, the interference amount of the interference portion 222 and the housing 1 is 0.2mm to 0.4mm. The interference portion 222 is made of deformable soft rubber material.

Referring to fig. 6 and 8, in an embodiment, the number of interference parts 222 is not limited to one set, the number of interference parts 222 is at least two, and at least two sets of interference parts 222 are distributed in layers on the mounting part 221. The interference part 222 of the multilayer can enhance the overall waterproof effect of the product, so that the problem that the interference part 222 is damaged due to the size problem or the structure is prevented from causing the waterproof failure of the structure, and the waterproof effect is more stable.

Referring to fig. 6 and 8, since there is an interference between the interference portion 222 and the housing 1, in order to avoid the interference portion 222 from causing excessive resistance during installation, in an embodiment, the interference portion 222 gradually decreases in a direction away from the installation portion 221, that is, the size of the connection portion between the interference portion 222 and the installation portion 222 is the largest, and the size of the connection portion furthest from the installation portion 222 is the smallest, thereby reducing the installation difficulty and providing a good sealing effect.

Referring to fig. 2 and 7, in an embodiment, the waterproof structure 100 further includes a bracket 3, the bracket 3 is disposed in the housing 1, and the protection member 2 is connected to the bracket 3. Further, the top cover 21 is provided with a clamping portion 212, a clamping hole 213 is formed in the clamping portion 212, a buckle 31 is formed on the support 3, and the buckle 31 is clamped with the clamping hole 213, so that the protection piece 2 is connected with the support 3. In other embodiments, a buckle may be formed at the clamping portion 212, and correspondingly, a clamping hole is formed on the bracket 3, and the protection member 2 is clamped with the clamping hole through the buckle, so that the protection member 2 is connected with the bracket 3. The bracket 3 provides a mounting position of an electronic component of the electronic product, such as a mounting of a battery or the like.

In an embodiment, the waterproof structure 100 further comprises a fastener 5, and the fixing of the housing 11 to the bracket 3 is achieved by the fastener 5. The fastening element 5 may in particular be a screw, and the housing 11 is correspondingly provided with a through hole, the bracket 3 being provided with a threaded hole, through which the fastening element 5 passes and is fastened in said threaded hole.

Further, the waterproof structure 100 further includes a silica gel pad 4, and the silica gel pad 4 is disposed on the outer side of the housing 1 to provide protection. The top cover 21 and the silica gel pad 4 are oppositely arranged at two ends of the shell 1, and the silica gel pad 4 can be bonded with the shell 11 through sealant.

The utility model also provides an electronic device comprising the waterproof structure 100. Because the electronic device adopts all the technical schemes of the above embodiments, the electronic device at least has all the beneficial effects brought by the technical schemes of the above embodiments, and the details are not repeated here.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A waterproof structure, characterized by comprising:

2. The waterproof structure of claim 1, wherein a limit protrusion is formed on a side wall of the housing, the rigid member is provided with a limit hole, and the limit protrusion is clamped in the limit hole.

3. The waterproof structure of claim 2, wherein the size of the limit projection is gradually widened along a direction away from the inner wall surface of the housing, and the size of the limit hole is gradually widened.

4. The waterproof structure of claim 1, wherein the guard comprises a top cover and a waterproof ring disposed on an outer periphery of the top cover, the waterproof ring being in interference fit with the housing.

5. The waterproof structure of claim 4, wherein the outer wall surface of the top cover is formed with an annular groove, and the waterproof ring is embedded in the annular groove.

6. The waterproof structure of claim 5, wherein the waterproof ring comprises a mounting portion mounted to the annular groove and an interference portion provided at an outer periphery of the mounting portion, the interference portion protruding from the annular groove and being interference-fitted with the housing.

7. The waterproof structure as claimed in claim 6, wherein the interference portion is gradually reduced in a direction away from the mounting portion.

8. The waterproof structure of claim 4, further comprising a bracket disposed within the housing, the guard being coupled to the bracket.

9. The waterproof structure of claim 8, wherein the top cover is provided with a clamping portion, the clamping portion or the bracket is provided with a clamping hole, the bracket or the clamping portion is formed with a buckle, and the buckle is clamped with the clamping hole.

10. An electronic device, characterized in that the electronic device comprises the waterproof structure according to any one of claims 1 to 8.