CN219536272U

CN219536272U - Sealing ring and TWS earphone

Info

Publication number: CN219536272U
Application number: CN202320726647.7U
Authority: CN
Inventors: 刘卫; 赵庆宏; 柯钱; 吴俊华; 高家昕
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2023-03-10
Filing date: 2023-04-04
Publication date: 2023-08-15
Anticipated expiration: 2033-04-04
Also published as: CN116389963A

Abstract

The utility model belongs to the technical field of earphones, and discloses a sealing ring and a TWS earphone, wherein the sealing ring is used for sealing a gap between a shell and a key arranged on the shell, the sealing ring comprises a first connecting ring, a flexible deformation ring and a second connecting ring which are sequentially sleeved from inside to outside, the first connecting ring is used for being connected with the outer surface of the key, the second connecting ring is used for being connected with the outer surface of the shell, and the flexible deformation ring is used for sealing the gap between the key and the shell. The TWS earphone comprises a shell, a key and the sealing ring, wherein the key and the sealing ring are installed in an installation hole of the shell, the first connecting ring is connected to the outer surface of the key, the second connecting ring is connected to the outer surface of the shell, and the flexible deformation ring covers a gap between the key and the shell. The sealing ring seals the gap on the outer surface of the shell, so that the sealing is realized, dirt is prevented from entering the gap, and the attractiveness is improved. Therefore, the utility model improves the sealing performance of the shell and the appearance aesthetic degree.

Description

Sealing ring and TWS earphone

Technical Field

The utility model belongs to the technical field of earphones, and particularly relates to a sealing ring and a TWS earphone.

Background

And a sealing ring is arranged between the keys of the TWS earphone and the earphone shell and used for guaranteeing the tightness of the earphone shell.

At present, TWS earphones in the market adopt O-shaped sealing rings, the O-shaped sealing rings are arranged in mounting grooves between the circumferential side walls of keys and earphone shells, gaps between the outer end faces of the keys and the outer surfaces of the earphone shells are exposed, and dirt is easy to hide in the gaps on the surfaces in the daily use process. The width of the gap is about 0.1mm, the gap is too small, dirt is difficult to clean, and serious appearance problems are caused; moreover, the O-shaped sealing ring is usually made of silica gel, and plays a sealing role by virtue of compression of the O-shaped sealing ring in the mounting groove, but burrs and dislocation are easy to occur in the forming process of the O-shaped sealing ring due to the technical reasons, and poor sealing performance is easy to cause.

Therefore, there is a need for a sealing ring and a TWS earphone that solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a sealing ring and a TWS earphone, which are used for improving the sealing performance of an earphone shell and improving the attractive appearance.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sealing washer for sealed casing with install in clearance between the button on the casing, the sealing washer includes from inside to outside first go-between, flexible deformation ring and the second go-between of cup jointing in proper order, first go-between be used for connecting in the surface of button, the second go-between be used for connecting in the surface of casing, flexible deformation ring be used for the closing cap in the button with clearance between the casing.

As a preferable technical scheme of the sealing ring, a first protrusion is arranged on the inner side of the first connecting ring and is connected with a first groove on the outer surface of the key;

the inner side of the second connecting ring is provided with a second bulge, and the second bulge is connected with a second groove on the outer surface of the shell.

As a preferable technical scheme of the sealing ring, the first connecting ring is adhered to the outer surface of the key, and the second connecting ring is adhered to the outer surface of the shell.

As a preferable technical scheme of the sealing ring, the flexible deformation ring is of an arc-shaped structure protruding towards the direction deviating from the gap.

As a preferable technical scheme of the sealing ring, the first connecting ring, the flexible deformation ring and the second connecting ring are all made of plastic materials.

As a preferable technical scheme of the sealing ring, the first connecting ring, the flexible deformation ring and the second connecting ring are integrally formed.

The TWS earphone comprises a shell, a key arranged in a mounting hole of the shell, and the sealing ring, wherein the first connecting ring is connected to the outer surface of the key, the second connecting ring is connected to the outer surface of the shell, and the flexible deformation ring covers the gap between the key and the shell.

As a preferable technical scheme of the TWS earphone, a first annular concave part is arranged at the edge of the outer surface of the key, the first connecting ring is connected to the first annular concave part, and the outer side surface of the first connecting ring is flush with the outer surface of the key;

the outer surface of the shell is provided with a second annular concave part at the outer edge of the mounting hole, the second connecting ring is connected with the second annular concave part, and the outer side surface of the second connecting ring is flush with the outer surface of the shell.

As a preferable technical scheme of the TWS earphone, a first protrusion is provided on the inner side of the first connection ring, a first groove is provided on the bottom surface of the first annular recess, and the first protrusion is connected in the first groove;

the inner side of the second connecting ring is provided with a second bulge, the bottom surface of the second annular concave part is provided with a second groove, and the second bulge is connected with the second groove.

As a preferable technical solution of the TWS earphone, the color of the outer surface of the sealing ring is different from the color of the outer surface of the casing and the outer surface of the key.

The utility model has the beneficial effects that:

the utility model provides a sealing ring, when in use, a first connecting ring of the sealing ring is connected to the outer surface of a key, a second connecting ring is connected to the outer surface of a shell, a flexible deformation ring covers a gap between the key and the shell, and when the key is pressed and moved, the flexible deformation ring is pulled by the key to deform, so that the key is allowed to move relative to the shell, and the realization of the normal function of the key is ensured; the sealing ring seals the gap on the outer surface of the shell, so that the sealing is realized, dirt is prevented from entering the gap, and the attractiveness is improved. Therefore, the sealing ring provided by the utility model improves the sealing performance of the shell and the appearance attractiveness.

The TWS earphone comprises the earphone shell, the keys and the sealing ring, and due to the arrangement of the sealing ring, the sealing performance and the attractive appearance of the TWS earphone are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a seal ring according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a seal ring according to another embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a TWS earphone according to an embodiment of the present utility model;

FIG. 4 is a partial cross-sectional view of a TWS headset provided by an embodiment of the present utility model;

fig. 5 is an enlarged view at a in fig. 4;

FIG. 6 is an exploded view of a lower housing provided by an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a key according to an embodiment of the present utility model;

fig. 8 is an enlarged view at B in fig. 6.

In the figure:

1. a seal ring; 2. a housing; 3. a key; 4. a rear cover; 5. a contact; 6. a switch;

10. a gap; 20. an earphone; 11. a first connection ring; 12. a flexible deformation ring; 13. a second connecting ring; 21. a lower case; 22. an upper cover; 31. a first annular recess; 32. a flange; 33. a contact;

111. a first protrusion; 131. a second protrusion; 311. a first groove; 212. a mounting hole; 213. a second annular recess; 214. a main body case; 215. a carrying part;

2131. and a second groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "mounted" are to be construed broadly, and may be, for example, mounted, connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or may be in communication with one another or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment provides a seal ring 1 for sealing a gap 10 between a housing 2 and a key 3 mounted on the housing 2, wherein the seal ring 1 includes a first connecting ring 11, a flexible deformation ring 12 and a second connecting ring 13, which are sequentially sleeved from inside to outside, the first connecting ring 11 is used for connecting to an outer surface of the key 3, the second connecting ring 13 is used for connecting to an outer surface of the housing 2, and the flexible deformation ring 12 is used for sealing the gap 10 between the key 3 and the housing 2.

When the sealing ring 1 provided by the embodiment is used, the first connecting ring 11 of the sealing ring 1 is connected to the outer surface of the key 3, the second connecting ring 13 is connected to the outer surface of the shell 2, the flexible deformation ring 12 covers the gap 10 between the key 3 and the shell 2, and when the key 3 is pressed and moved, the flexible deformation ring 12 is pulled by the key 3 to deform, so that the key 3 is allowed to move relative to the shell 2, and the normal function of the key 3 is ensured; the sealing ring 1 seals the gap 10 on the outer surface of the shell 2, thereby realizing sealing, avoiding dirt from entering the gap 10 and improving the attractiveness. Therefore, the seal ring 1 provided in this embodiment improves the sealability of the housing 2 and the aesthetic degree of the appearance.

Specifically, as shown in fig. 1, 2 and 5, the inner side of the first connection ring 11 is provided with a first protrusion 111, and the first protrusion 111 is connected to a first groove 311 on the outer surface of the key 3; the second connection ring 13 is provided inside with a second protrusion 131, and the second protrusion 131 is provided in a second groove 2131 on the outer surface of the housing 2. The first protrusion 111 and the first groove 311 are matched with each other, so that the first connecting ring 11 is limited when the flexible deformation ring 12 deforms and pulls the first connecting ring 11, and the connection firmness of the first connecting ring 11 and the key 3 is improved; likewise, the second protrusions 131 and the second grooves 2131 cooperate with each other to limit the second connection ring 13 when the flexible deformation ring 12 deforms and pulls the second connection ring 13, thereby improving the connection firmness of the second connection ring 13 and the housing 2.

Specifically, the first connection ring 11 is adhered to the outer surface of the key 3, and the second connection ring 13 is adhered to the outer surface of the housing 2. The bonding connection mode can meet the connection strength, the connection structure is not increased on the outer surface, and the attractiveness is ensured. More specifically, the first protrusion 111 is adhered to the first recess 311 by glue, and the second protrusion 131 is adhered to the second recess 2131 by glue, so that the adhesion area is increased, and the connection strength is further improved.

Specifically, the flexible deformation ring 12 has an arc-shaped structure protruding toward a direction away from the gap 10. The arc structure allows the flexible deformation ring 12 to have a certain stretching range, and ensures the movement range of the key 3.

Specifically, the first connecting ring 11, the flexible deformation ring 12 and the second connecting ring 13 are all made of plastic materials.

Optionally, the sealing ring 1 is made of rubber, silicone rubber, TPU or TPE.

Specifically, the first connecting ring 11, the flexible deformation ring 12 and the second connecting ring 13 are integrally formed, so that the production efficiency and the connection strength are improved.

Specifically, as shown in fig. 1, 2 and 6, the present embodiment further provides a TWS earphone, which includes a housing 2, a key 3 installed in an installation hole 212 of the housing 2, and the sealing ring 1 described above, wherein the first connecting ring 11 is connected to an outer surface of the key 3, the second connecting ring 13 is connected to an outer surface of the housing 2, and the flexible deformation ring 12 covers a gap 10 between the key 3 and the housing 2.

Specifically, as shown in fig. 3, the housing 2 includes a lower case 21 and an upper cover 22 rotatably coupled to the top of the lower case 21, the top of the lower case 21 is provided with an earphone receiving groove for receiving the earphone 20, and the upper cover 22 is for closing the earphone receiving groove to cover the earphone 20. The key 3 is used to control the opening of the upper cover 22 or to control the opening of the charging of the headset 20, and specific embodiments are not described in detail herein with reference to the prior art. In the present embodiment, the mounting hole 212 is provided on the lower case 21.

More specifically, as shown in fig. 6, the lower case 21 includes a main body case 214 and a bearing portion 215 fixedly connected to a top opening of the main body case 214, a top surface of the bearing portion 215 is provided with an earphone receiving groove, and the mounting hole 212 is opened on a side wall of the main body case 214.

Specifically, as shown in fig. 4, 5 and 7, the edge of the outer surface of the key 3 is provided with a first annular concave portion 31, the first connecting ring 11 is connected to the first annular concave portion 31, and the outer side surface of the first connecting ring 11 is flush with the outer surface of the key 3; as shown in fig. 4, 5 and 8, a second annular recess 213 is provided on the outer surface of the housing 2 at the outer edge of the mounting hole 212, the second connection ring 13 is connected to the second annular recess 213, and the outer side surface of the second connection ring 13 is flush with the outer surface of the housing 2. By the arrangement, the connection strength is improved, and the attractive appearance is improved.

More specifically, the first connection ring 11 is provided with a first protrusion 111 on the inner side, the bottom surface of the first annular recess 31 is provided with a first groove 311, and the first protrusion 111 is disposed in the first groove 311; the second bulge 131 is arranged on the inner side of the second connecting ring 13, the bottom surface of the second annular concave part 213 is provided with a second groove 2131, and the second bulge 131 is arranged in the second groove 2131. The first protrusion 111 and the first groove 311 are matched with each other, so that the first connecting ring 11 is limited when the flexible deformation ring 12 deforms and pulls the first connecting ring 11, and the connection firmness of the first connecting ring 11 and the key 3 is improved; likewise, the second protrusions 131 and the second grooves 2131 cooperate with each other to limit the second connection ring 13 when the flexible deformation ring 12 deforms and pulls the second connection ring 13, thereby improving the connection firmness of the second connection ring 13 and the housing 2.

Specifically, the color of the outer surface of the seal ring 1 is different from the color of the outer surface of the housing 2 and the outer surface of the key 3. The outer surface of the sealing ring 1 is set to be different colors, so that the attractiveness is improved, the position of the button 3 is conveniently found, and the operation is convenient.

Specifically, as shown in fig. 4 and 7, the outer periphery of one end of the key 3, which is far away from the outer surface of the key, is provided with a flange 32, the flange 32 is abutted against the inner wall of the shell 2, the outer end of the key 3 is limited by the sealing ring 1, and the inner end of the key 3 is limited by the flange 32, so that the connection of the key 3 on the shell 2 is realized.

More specifically, the end face of the key 3 facing away from the outer surface of the key is convexly provided with a contact 33, a contact 5 and a switch 6 are arranged in the shell 2, in a free state, the contact 5 and the switch 6 are arranged at intervals, the switch 6 is arranged between the contact 33 and the contact 5, in the process that the key 3 is pressed inwards to move, the contact 33 is firstly abutted against the switch 6, then the switch 6 is pushed to gradually approach the contact 5 until the switch 6 contacts the contact 5, a circuit is conducted, the execution operation controlled by the key 3 is started, after the pressing force is removed, the key 3 is restored to the original position, and the switch 6 is separated from the contact 5.

Specifically, the inner wall of the shell 2 is adhered with the rear cover 4, the rear cover 4 covers one inward end of the key 3, the contact 5 and the switch 6 are both connected to the rear cover 4, and the rear cover 4 not only realizes the limitation of the movement range of the key 3, but also plays a role in installing the contact 5 and the switch 6.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a sealing washer for sealed casing (2) with install in clearance (10) between button (3) on casing (2), its characterized in that, sealing washer (1) are including first go-between (11), flexible deformation ring (12) and second go-between (13) that cup joint from inside to outside in proper order, first go-between (11) be used for connect in the surface of button (3), second go-between (13) be used for connect in the surface of casing (2), flexible deformation ring (12) be used for the closing cap in between button (3) with casing (2) clearance (10).

2. A sealing ring according to claim 1, characterized in that the inner side of the first connecting ring (11) is provided with a first protrusion (111), which first protrusion (111) is connected to a first groove (311) on the outer surface of the key (3);

the inner side of the second connecting ring (13) is provided with a second bulge (131), and the second bulge (131) is connected with a second groove (2131) on the outer surface of the shell (2).

3. A sealing ring according to claim 1, characterized in that the first connecting ring (11) is glued to the outer surface of the key (3) and the second connecting ring (13) is glued to the outer surface of the housing (2).

4. A sealing ring according to claim 1, characterized in that the flexible deformation ring (12) is of an arc-shaped configuration protruding in a direction away from the gap (10).

5. The sealing ring according to claim 1, characterized in that the first connecting ring (11), the flexible deformation ring (12) and the second connecting ring (13) are all made of plastic material.

6. A sealing ring according to any one of claims 1-5, characterized in that the first connecting ring (11), the flexible deformation ring (12) and the second connecting ring (13) are integrally formed.

7. TWS earphone, comprising a housing (2) and a key (3) mounted in a mounting hole (212) of the housing (2), characterized in that it further comprises a sealing ring (1) according to any one of claims 1-6, said first connecting ring (11) being connected to the outer surface of the key (3), said second connecting ring (13) being connected to the outer surface of the housing (2), said flexible deformation ring (12) closing the gap (10) between the key (3) and the housing (2).

8. The TWS earphone according to claim 7, characterized in that the edge of the outer surface of the key (3) is provided with a first annular recess (31), the first connection ring (11) is connected to the first annular recess (31), and the outer side of the first connection ring (11) is flush with the outer surface of the key (3);

the outer surface of the shell (2) is provided with a second annular concave part (213) at the outer edge of the mounting hole (212), the second connecting ring (13) is connected to the second annular concave part (213), and the outer side surface of the second connecting ring (13) is flush with the outer surface of the shell (2).

9. The TWS earphone according to claim 8, characterized in that a first protrusion (111) is provided on the inner side of the first connection ring (11), a first groove (311) is provided on the bottom surface of the first annular recess (31), and the first protrusion (111) is connected in the first groove (311);

the inner side of the second connecting ring (13) is provided with a second bulge (131), the bottom surface of the second annular concave part (213) is provided with a second groove (2131), and the second bulge (131) is connected with the second groove (2131).

10. The TWS earphone according to claim 7, characterized in that the outer surface of the sealing ring (1) is of a different color than the outer surface of the housing (2) and the outer surface of the key (3).