WO2023169358A1

WO2023169358A1 - Sealing structure and electronic device

Info

Publication number: WO2023169358A1
Application number: PCT/CN2023/079838
Authority: WO
Inventors: 易海平
Original assignee: 维沃移动通信有限公司
Priority date: 2022-03-08
Filing date: 2023-03-06
Publication date: 2023-09-14
Also published as: CN114786398A; CN114786398B

Abstract

The present application relates to the technical field of sealing and water proofing, and discloses a sealing structure and an electronic device. The sealing structure comprises: a partition member, latticed through holes being formed on the partition member; a sealing support, the sealing support comprising a support body and a first sealing ring, the support body being provided with first through holes penetrating through two end surfaces of the body, an annular groove being provided on the side surface of the support body, the first sealing ring being injection molded on the support body, part of the first sealing ring being accommodated in the annular groove, and a first end surface of the support body close to the annular groove being sealedly connected to an edge area of the partition member; and a sealing component, the sealing component being sealedly connected to a second end surface of the support body farthest from the partition member, and the sealing component being provided with second through holes communicated with the first through holes.

Description

Sealed structures and electronic equipment

Cross-references to related applications

This application claims priority to Chinese Patent Application No. 202210219820.4 filed in China on March 8, 2022, the entire content of which is incorporated herein by reference.

Technical field

This application belongs to the field of communication technology, and specifically relates to a sealing structure and electronic equipment.

Background technique

As electronic products become more and more popular in people's daily lives, people's demand for the appearance of electronic products is getting higher and higher.

For example, in order to meet the differentiated aesthetic needs of users, a plurality of small holes can be opened in the area of the casing of the electronic device corresponding to the speaker, or a large hole can be opened in the area of the casing corresponding to the speaker.

However, the solution of opening large holes in the casing of the electronic device can only achieve conventional waterproof performance, resulting in poor waterproof performance of the electronic device.

Contents of the invention

The purpose of the embodiments of the present application is to provide a sealing structure and electronic equipment that can solve the problem of poor waterproof performance of electronic equipment.

In a first aspect, embodiments of the present application provide a sealing structure, including: a spacer, which is provided with a grid-like through hole; a sealing bracket, which includes a bracket body and a first sealing ring. A first through hole is provided that penetrates both end surfaces of the body, an annular groove is provided on the side of the stent body, a first sealing ring is injection molded on the stent body, and part of the first sealing ring is accommodated in the annular groove; The first end surface of the bracket body close to the annular groove is sealingly connected to the edge area of the partition; the sealing member is sealingly connected to the second end surface of the bracket body away from the partition, and the sealing component is provided with a first through hole that communicates with the first through hole the second through hole.

In a second aspect, embodiments of the present application provide an electronic device, including the sealing structure described in the first aspect.

In the embodiment of the present application, the sealing structure may include: a partition, a sealing bracket and a sealing member. The partition is provided with a grid-like through hole; the sealing bracket includes a bracket body and a first sealing ring, and the bracket body is provided with a A first through hole penetrates both end surfaces of the body, an annular groove is provided on the side of the stent body, a first sealing ring is injection molded on the stent body, and part of the first sealing ring is accommodated in the annular groove; the stent body The first end surface close to the annular groove is sealingly connected to the edge area of the barrier; the sealing member is sealingly connected to the second end surface of the bracket body facing away from the barrier, and the sealing component is provided with a second through hole communicating with the first through hole. . In this way, when the sealing structure is installed in the device, the first waterproofing of the electronic device can be achieved through the sealing connection between the partition and the device shell, and between the sealing structure and the relevant components in the device. Through the first sealing ring Interference with the casing can achieve the second level of waterproofing of electronic equipment, thereby improving the waterproof performance of electronic equipment.

Description of the drawings

Figure 1 is a schematic structural diagram of a sealing structure provided by an embodiment of the present application;

Figure 2 is a schematic structural diagram of the sealing bracket in the sealing structure provided by the embodiment of the present application;

Figure 3 is an exploded view of the sealing bracket in the sealing structure provided by the embodiment of the present application;

Figure 4 is a schematic structural diagram of the sealing member in the sealing structure provided by the embodiment of the present application;

Figure 5 is an exploded view of the sealing component in the sealing structure provided by the embodiment of the present application;

Figure 6 is a structural representation of the barrier member, the third solid adhesive member and the fourth solid adhesive member in the sealing structure provided by the embodiment of the present application;

Figure 7 is an exploded view of the barrier member, the third solid adhesive member and the fourth solid adhesive member in the sealing structure provided by the embodiment of the present application;

Figure 8 is a schematic structural diagram of an electronic device provided by an embodiment of the present application;

Figure 9 is a second structural schematic diagram of an electronic device provided by an embodiment of the present application;

Figure 10 is an enlarged schematic diagram of the structure shown as B in Figure 9;

Among them, the reference numbers in Figures 1 to 10 are:
1000-Electronic equipment;
100-sealed structure;
110 - spacer;
120-Sealing bracket; 121-Bracket body; 122-First sealing ring; 123-First through hole;
130-Sealing member; 131-Second sealing ring; 132-Supporting member; 133-First solid bonding member; 134-Dust-proof net;
135-the second solid adhesive member; 136-the second through hole;
140-Third solid adhesive;
150-The fourth solid adhesive piece;
200-shell; 210-target through hole;
300 - target device.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that data so used are interchangeable under appropriate circumstances so that embodiments of the present application can be practiced in sequences other than those illustrated or described herein. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.

The sealing structure provided by the embodiment of the present application can be applied to electronic equipment. Specifically, it can be applied to scenarios where electronic equipment is equipped with devices that require opening holes in the housing of the electronic equipment.

The electronic device in the embodiment of the present application may be a mobile electronic device or a non-mobile electronic device. For example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted electronic device, a wearable device (such as a smart watch), an ultra-mobile personal computer (UMPC), a netbook or a personal computer. A digital assistant (personal digital assistant, PDA), etc., the non-mobile electronic device can be a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., and the embodiments of this application are not specifically limited.

The sealing structure and electronic equipment provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios.

An embodiment of the present application provides a sealing structure. FIG. 1 shows a possible structural diagram of a sealing structure 100 provided by an embodiment of the present application. As shown in Figure 1, the sealing structure 100 provided by the embodiment of the present application may include: a spacer 110, a sealing bracket 120 and a sealing member 130. The spacer 110 is provided with grid-like through holes; in conjunction with Figure 1, as shown in Figure 2 and 3, the sealing bracket 120 includes a bracket body 121 and a first sealing ring 122. The bracket body 121 is provided with a first through hole 123 that penetrates both end surfaces of the body. The bracket body 121 is provided with an annular recess on the side thereof. groove, the first sealing ring 122 is injection molded on the bracket body 121, and part of the first sealing ring 122 is accommodated in the annular groove.

In the embodiment of the present application, the first end surface of the bracket body 121 close to the annular groove is sealingly connected to the edge area of the partition 110; the sealing member 130 is sealingly connected to the second end surface of the bracket body 121 away from the partition 110, as shown in Figure 4 As shown, the sealing member 130 is provided with a second through hole 136 that communicates with the first through hole 123 .

It should be noted that, in the embodiments of the present application, compared with the traditional technology in which the stent body and the sealing ring are sealed by dispensing glue, the sealing structure provided by the embodiments of the present application is achieved by injecting the first sealing ring into the stent body. The annular groove on the bracket can simplify the assembly and maintenance between the bracket body and the sealing ring, and can improve the sealing degree between the bracket body and the sealing ring to achieve IP68 sealing. Among them, IP68 is the highest level of dustproof and waterproof grade standard in GB/T 4208-2017 enclosure protection grade.

In the embodiment of the present application, when the sealing structure is provided in an electronic device, the first sealing ring can be in close contact with/that is, abut against the inner wall of the electronic device housing to achieve interference sealing with the housing, thereby achieving IP68 seal. The sealing member is used for sealing connection with the device provided corresponding to the sealing structure in the electronic equipment.

Optionally, in this embodiment of the present application, the stent body may be a plastic body. The first sealing ring can be injection molded on the plastic body by liquid silicone. In actual implementation, the first sealing ring can also be made of other materials with good elasticity after injection molding.

In this way, on the one hand, the bracket body can play a role of supporting and limiting the first sealing ring to ensure that the first sealing ring can achieve interference sealing with the inner wall of the housing of the electronic device. On the other hand, the bracket body can realize the function of sound/light guidance through the first through hole.

It should be noted that in the embodiment of the present application, the partition needs to have a certain degree of rigidity.

Optionally, in the embodiment of the present application, the material of the partition may be metal or non-metal.

Further optionally, in the embodiment of the present application, when the material of the partition is metal, the metal can be steel, Iron, platinum, etc. The grid-like through holes on the spacers can be realized by etching technology.

When the barriers are made of steel, the barriers may also be referred to as steel mesh structures.

It can be understood that in the embodiment of the present application, on the one hand, the grid-shaped through hole of the partition can block the first through hole on the bracket body, thereby preventing components that are disposed in the first through hole or are disposed opposite to the through hole. ; This prevents the user from seeing the internal features in the first through hole from the outside, thereby improving the appearance experience. On the other hand, the grid-shaped through hole of the barrier member can prevent foreign matter from the external environment from entering the first through hole, and protect the device structure and function provided on the side of the first through hole away from the barrier member.

Optionally, in the embodiment of the present application, the above-mentioned grid-like through holes are arranged and distributed on the entire barrier member. Alternatively, as shown in FIGS. 1 and 7 , grid-like through holes may be distributed in the middle area of the barrier member 130 , that is, no through holes are provided in the edge areas of the barrier member 130 . In this way, the contact area between the barrier member 130 and the bracket body can be increased, thereby improving the sealing strength.

For example, no etching holes will be made in the 0.9-1.0mm area on the edge of the spacer.

Optionally, in the embodiment of the present application, as shown in FIG. 4 and FIG. 5 in conjunction with FIG. 1 , the sealing member 130 may include: a second sealing ring 131 , and the second sealing ring 131 and the bracket body 121 are away from the barrier member 110 The second end face sealing connection.

Optionally, in the embodiment of the present application, as shown in FIGS. 4 and 5 , the sealing member 130 may include a second sealing ring 131 and a support member 132 . The second sealing ring 131 is injection molded on one surface of the support member 132 .

The second through hole 136 penetrates the second sealing ring 131 and the support member 132. The target surface of the support member 132 facing away from the second sealing ring 131 is sealingly connected to the second end surface of the bracket body facing away from the barrier member.

Further optionally, in the embodiment of the present application, the second sealing ring can be injection molded on the support member by in-mold injection molding.

Optionally, in the embodiment of the present application, the support member may be made of plastic, such as polycarbonate (PC for short in English), or any hard material with good surface adhesion.

Optionally, in the embodiment of the present application, the second sealing ring may be made of silicone. Specifically, liquid silicone may be used for in-mold injection molding to inject the second sealing ring on the support body.

Optionally, in this embodiment of the present application, the number of second through holes is the same as the number of first through holes.

In this way, by adding a support body to the sealing member, the problem of the second sealing ring being displaced in a direction perpendicular to the axis when receiving a pressing force perpendicular to its axis can be avoided, thereby further improving the waterproof sealing effect.

Optionally, in the embodiment of the present application, as shown in FIGS. 4 and 5 , the sealing member 130 may also include: a first solid adhesive member 133 disposed between the support member 132 and the stent body 121 to sealingly connect the target surface. (the surface of the support member 132 facing away from the second sealing ring 131) and the second end face (the end face of the bracket body 121 facing away from the barrier member 110). In this way, the dispensing operation can be avoided by using solid adhesives, thus simplifying the assembly process of the sealing component.

Optionally, in the embodiment of the present application, as shown in Figures 4 and 5, the above-mentioned sealing member 130 may also include: Dust-proof net 134 and second solid adhesive member 135 .

The dust-proof net 134 is disposed between the first solid adhesive member 133 and the bracket body 121 , and the first solid adhesive member 133 sealingly connects the dust-proof net 134 and the support body. The second solid adhesive member 135 is disposed between the dust-proof net 134 and the bracket body 121 to sealingly connect the dust-proof net 134 and the bracket body 121 .

Optionally, in the embodiment of the present application, the dust-proof net can further prevent foreign objects in the environment from entering the interior of the electronic device.

Optionally, in the embodiment of the present application, as shown in FIGS. 6 and 7 in conjunction with FIG. 1 , the sealing structure 100 may further include: a third solid adhesive member 140 and a fourth solid adhesive member 150 .

The third solid adhesive member 140 is disposed between the barrier member 110 and the bracket body 121 to sealingly connect the barrier member 110 and the sealing bracket 120 . The fourth solid adhesive member 150 is disposed on the surface of the barrier member 110 facing away from the sealing bracket 120 to sealingly connect the barrier member 110 and the housing 200 of the electronic device 1000 .

It should be noted that in the embodiment of the present application, the barrier member, the third solid adhesive member and the fourth solid adhesive member may be assembled together first to form a barrier assembly, and then the barrier assembly may be connected to the bracket body.

It should be noted that the fourth solid adhesive member is used to sealingly connect the barrier member and the housing of the electronic device to achieve the first IP68 sealing structure between the sealing structure and the electronic device.

In the sealing structure provided by the embodiments of the present application, when the sealing structure is installed in the device, the first sealing connection of the electronic device can be realized through the sealing connection between the partition and the device shell, and between the sealing structure and the relevant components in the device. The second level of waterproofing of the electronic device can be achieved through the interference between the first sealing ring and the casing, thereby improving the waterproof performance of the electronic device.

An embodiment of the present application also provides an electronic device 1000. FIG. 1 shows a possible structural diagram of an electronic device 1000 provided by an embodiment of the present application. As shown in FIG. 1 , an electronic device 1000 provided by an embodiment of the present application may include: the above-mentioned sealing structure 100 .

Optionally, in the embodiment of the present application, as shown in FIGS. 1 and 8 to 10 , the electronic device 1000 may further include a housing 200 , and a target through hole 210 is provided on the first side wall of the housing 200 .

In the embodiment of the present application, the sealing structure 100 is disposed in the housing 200, and the first through hole 123 is aligned with the target through hole 210; the barrier 110 in the sealing structure 100 is sealingly connected to the first side wall, and the sealing structure 110 The first sealing ring 122 is in contact with the second side wall of the housing.

The second side wall is arranged around the first side wall, and the second side wall is perpendicular to the first side wall.

It can be understood that in the embodiment of the present application, the numbers of target through holes, first through holes and second through holes are all the same. For example, both are two.

In the embodiment of the present application, the first sealing ring is in contact with the second side wall of the housing, that is, the first sealing ring and the second side wall interfere in sealing.

Optionally, in the embodiment of the present application, the partition member may be sealingly connected to the first side wall through a fourth solid adhesive member.

In this way, since the barrier in the sealing structure is sealingly connected to the first side wall of the housing, the electronic The first IP68 seal of the device; due to the interference seal between the first sealing ring in the sealing structure and the second side wall of the housing, the second IP68 seal of the electronic device can be achieved, thus improving the sealing performance of the electronic device .

Optionally, in the embodiment of the present application, as shown in Figures 1, 8 to 10, the electronic device 1000 may also include: a target device 300, which is provided in the housing 200 corresponding to the target through hole 210, and the sealing structure 100 is located between target via 210 and target device 300 .

Wherein, the second sealing ring 131 in the sealing structure 100 abuts on the surface of the target device 300 facing the target through hole 210 .

It can be understood that in the embodiment of the present application, the second sealing ring is in contact with the surface of the target device facing the target through hole, that is, there is an interference seal between the second sealing ring and the surface of the target device facing the target through hole.

Optionally, in this embodiment of the present application, the target device may include any of the following: a speaker, a sound hole, a receiver, or any other device that requires opening a hole in the casing of the electronic device.

It can be seen that in the embodiment of the present application, the sealing between the sealing bracket and the target device in the sealing structure is achieved through a sealing member, and the sealing member is sealingly connected to the bracket body through a solid adhesive. Therefore, after the support member is added to the sealing member, when the sealing bracket is in close contact with the sealing member, misalignment between the second sealing ring and the solid adhesive member can be avoided, thereby increasing the sealing performance of the sealing structure.

The intended effects brought by the electronic devices provided by the embodiments of the present application will be described in detail below.

1) Through the spacer, the third solid-state adhesive member and the fourth solid-state adhesive member (hereinafter collectively referred to as the spacer assembly), the appearance of the target device in the electronic device with a large hole is realized, and at the same time, the problem caused by the large hole is solved The internal structure and the problem of foreign matter entering the inside of the whole machine are clearly seen, which not only solves the appearance problem, but also improves the reliability problem in use.

2) Through the sealing connection between the fourth solid adhesive member in the barrier assembly and the first side wall of the housing, the first IP68 sealing of the electronic device is achieved; through the first sealing ring and the second side wall of the housing Interference sealing to achieve the second IP68 sealing of electronic equipment. Make sealing more reliable.

3) The first sealing ring is injection molded on the stent body, which solves the assembly and maintenance difficulties of conventional stent dispensing sealing methods and is better in design.

4) The sealing bracket achieves sealing with the target device through the sealing member. Specifically, the sealing is achieved through interference between the second sealing ring in the sealing member and the surface of the target device facing the first side wall. Specifically, the second sealing ring in the sealing member is added with an in-mold injection support member toward the surface of the first side wall, and the support member is sealingly connected to the solid adhesive member, and then the solid adhesive member is bonded to the stent body. Since the support member is relatively hard in texture, circumferential misalignment between the second sealing ring and the solid bonding member when squeezed can be avoided, thereby making the sealing between the stent body and the second sealing ring more reliable.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of other identical elements in the process, method, article or device including the element. elements. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions may be performed, for example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims

A sealing structure, the sealing structure includes:

The partition is provided with a grid-like through hole;

Sealing bracket, the sealing bracket includes a bracket body and a first sealing ring, the bracket body is provided with a first through hole penetrating both end surfaces of the body, and an annular groove is provided on the side of the bracket body, The first sealing ring is injection molded on the bracket body, and part of the first sealing ring is accommodated in the annular groove; the first end surface of the bracket body close to the annular groove and the The edge area of the partition is sealed and connected;

A sealing member, the sealing member is sealingly connected to the second end surface of the bracket body facing away from the barrier member, and the sealing member is provided with a second through hole communicating with the first through hole.
The sealing structure according to claim 1, wherein the grid-like through holes are distributed in a middle area of the barrier member.
The sealing structure according to claim 1, wherein the sealing member includes: a second sealing ring and a support member, the second sealing ring is injection molded on one surface of the support member;

Wherein, the second through hole penetrates the second sealing ring and the support member, and the support member is sealingly connected with the second end face away from the target surface of the second sealing ring.
The sealing structure according to claim 3, wherein the sealing member further includes:

A first solid adhesive member is disposed between the support member and the stent body to sealingly connect the target surface and the second end surface.
The sealing structure according to claim 4, wherein the sealing member further includes:

A dust-proof net is provided between the first solid adhesive member and the bracket body, and the first solid adhesive member sealingly connects the dust-proof net and the support body;

A second solid adhesive member is disposed between the dust-proof net and the bracket body, and sealingly connects the dust-proof net and the bracket body.
The sealing structure according to any one of claims 1 to 5, wherein the sealing structure further includes:

A third solid adhesive member is disposed between the barrier member and the bracket body, and sealingly connects the barrier member and the sealing bracket;

The fourth solid adhesive member is disposed on the surface of the barrier member facing away from the sealing bracket, and sealingly connects the barrier member and the housing of the electronic device.
The sealing structure according to claim 1, wherein the bracket body is a plastic body; and the first sealing ring is injection molded on the plastic body by liquid silicone.
An electronic device including the sealing structure according to any one of claims 1 to 7.
The electronic device according to claim 8, wherein the electronic device further includes:

A housing with a target through hole provided on the first side wall of the housing;

The sealing structure is provided in the housing, and the first through hole is aligned with the target through hole; the barrier in the sealing structure is sealingly connected to the first side wall, and the sealing structure The first sealing ring in the on the second side wall of the housing;

Wherein, the second side wall is arranged around the first side wall, and the second side wall is perpendicular to the first side wall.
The electronic device according to claim 9, wherein the electronic device further includes:

A target device is provided in the housing corresponding to the target through hole, and the sealing structure is located between the target through hole and the target device;

Wherein, the second sealing ring in the sealing structure abuts on a surface of the target device facing the target through hole.