CN219591298U

CN219591298U - Waterproof button structure and bone conduction earphone

Info

Publication number: CN219591298U
Application number: CN202320652483.8U
Authority: CN
Inventors: 朱达云
Original assignee: Dongguan Zangle Acoustic Technology Co ltd
Current assignee: Dongguan Zangle Acoustic Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-25
Anticipated expiration: 2033-03-28

Abstract

The utility model belongs to the technical field of waterproof keys, and particularly relates to a waterproof key structure and a bone conduction earphone, which comprise the following components: the shell is provided with an inner cavity, the inner cavity is provided with a control part and a push switch electrically connected with the control part, and the outer wall of the shell is provided with a key hole communicated with the inner cavity; the sealing piece comprises a sealing cover and a sealing part convexly arranged on one side surface of the sealing cover; the sealing part is inserted into the key hole and in interference fit with the key hole, and the sealing cover is in sealing abutting joint with the shell; one end of the sealing part far away from the sealing cover is close to the pressing switch or is in contact connection with the pressing switch; the key is provided with a connecting rod which is connected with the sealing element; the sealing part is in interference fit with the key hole, seals the key hole, and has a first layer of waterproof effect on the inner cavity of the shell; the sealing cover is in sealing butt joint with the shell and presses the key hole, plays the second floor waterproof effect to the inner chamber of shell, and outside liquid is difficult for permeating the inside of shell, avoids installing in the control part damage of inner chamber, has improved life.

Description

Waterproof button structure and bone conduction earphone

Technical Field

The utility model belongs to the technical field of waterproof keys, and particularly relates to a waterproof key structure and a bone conduction earphone.

Background

In daily life, the key structure is widely used, and taking the earphone as an example, most of the existing earphones are provided with the key structure. At present, most of headphones are insufficient in waterproof performance, and liquid (such as sweat) is easy to permeate into the shell through a key switch on the shell, so that electronic elements in the shell are damaged or damaged, and the service life is further influenced.

Disclosure of Invention

The utility model aims to provide a waterproof key structure, which aims to solve the technical problems that in the prior art, the waterproof performance of an earphone is insufficient, and liquid easily permeates into the shell through a key switch on the shell, so that the electronic element arranged in the shell is damaged or damaged.

In order to achieve the above object, an embodiment of the present utility model provides a waterproof key structure, including:

the shell is provided with an inner cavity, the inner cavity is provided with a control part and a press switch electrically connected with the control part, and the outer wall of the shell is provided with a key hole communicated with the inner cavity;

the sealing piece comprises a sealing cover and a sealing part which is convexly arranged on one side surface of the sealing cover; the sealing part is inserted into the key hole and in interference fit with the key hole, and the sealing cover is in sealing abutting joint with the shell; one end of the sealing part far away from the sealing cover is close to the press switch or is in contact connection with the press switch; and

the button, the button is equipped with the connecting rod, the connecting rod with the sealing member is connected.

Optionally, a connecting hole extending to the sealing part is formed in the end face of the sealing cover, and the connecting rod is fixedly inserted into the connecting hole.

Optionally, the bottom size of the connecting hole is increased to form a clamping groove, and a clamping block is convexly arranged at the bottom of the connecting rod and is clamped in the clamping groove.

Optionally, the clamping block is reduced from one end close to the connecting rod to one end far away from the connecting rod to form a first conical part.

Optionally, the orifice of the connecting hole is set as a first open mouth.

Optionally, at least one sealing ring is arranged on the peripheral wall of the sealing part, and the sealing part is in interference fit with the key hole through the sealing ring.

Optionally, the sealing part is kept away from the one end of sealed lid is equipped with the sealing piece, sealing part passes through the sealing piece press close to press the switch or with press the switch contact connection, just sealing piece with the sealed butt of inner chamber wall.

Optionally, the sealing block is reduced from an end close to the sealing part to an end far away from the sealing part to form a second conical part.

Optionally, the aperture of the key hole is provided as a second open mouth.

The bone conduction earphone is provided with the waterproof key structure.

Compared with the prior art, the waterproof key structure provided by the embodiment of the utility model has one or more of the following technical schemes:

the sealing part is in interference fit with the key hole to seal the key hole, so that liquid or moist air is isolated from entering the inner cavity of the shell from the key hole, and a first layer of waterproof effect is achieved on the inner cavity of the shell; the sealing cover is in sealing butt joint with the shell through the key hole, and a second layer of waterproof effect is achieved on the inner cavity of the shell. Therefore, the sealing cover and the sealing part both play a role in sealing, the waterproof performance of the key hole is greatly improved, external liquid or moist air is not easy to infiltrate into the shell, the damage of control parts arranged in the inner cavity is avoided, and the service life is prolonged.

Drawings

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

Fig. 1 is a schematic structural diagram of a waterproof key structure of the present utility model.

Fig. 2 is a cut-away view of the waterproof key structure of the present utility model.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic structural view of the seal of the present utility model.

Wherein, each reference sign in the figure:

10. a waterproof key structure; 100. a housing; 101. an inner cavity; 110. a control part; 111. pressing the switch; 120. a key hole; 121. a second open mouth; 130. a key receiving groove;

200. a seal; 210. sealing cover; 220. a sealing part; 221. a seal ring; 222. a sealing block; 230. a connection hole; 231. a clamping groove; 232. a first open mouth;

300. a key; 310. a connecting rod; 311. and a clamping block.

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 elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, referring to fig. 1-3, a waterproof key structure 10 is provided, comprising a housing 100, a seal 200, and a key 300.

Referring to fig. 2 and 3, the housing 100 is provided with an inner cavity 101, the inner cavity 101 is provided with a control component 110 and a push switch 111 electrically connected with the control component 110, and a key hole 120 communicating with the inner cavity 101 is formed in the outer wall of the housing 100.

Referring to fig. 3 and 4, the sealing member 200 includes a sealing cap 210 and a sealing portion 220 protruding from one side surface of the sealing cap 210. The sealing part 220 is inserted into the key hole 120 and is in interference fit with the key hole 120, the sealing cover 210 is in sealing contact with the housing 100, and the sealing cover 210 may have any shape. The end of the sealing portion 220 away from the sealing cover 210 is close to the push switch 111 (i.e. a small gap may exist between the sealing portion 220 and the push switch 111), or the end of the sealing portion 220 away from the sealing cover 210 is in contact connection with the push switch 111 (i.e. the sealing portion 220 may press the push switch 111 to abut or be clamped, etc.).

Wherein, referring to fig. 3 and 4, the key 300 is provided with a link 310, and the link 310 is connected with the sealing member 200. When the user presses the key 300, the link 310 pushes the sealing part 220 to press the push switch 111, so that the push switch 111 performs a corresponding function.

The sealing member 200 is an elastic sealing member 200, and the elastic sealing member 200 may be made of silica gel, rubber, latex, or the like, so that the sealing member 200 has good elasticity. When the key 300 is pressed, the link 310 can push the sealing part 220 to elastically deform to press the push switch 111.

Compared with the prior art, the above technical scheme or schemes in the waterproof key structure 10 provided by the embodiment of the utility model has at least one of the following technical effects:

referring to fig. 2 to 4, the sealing portion 220 is in interference fit with the key hole 120 to seal the key hole 120, thereby preventing liquid or humid air from entering the inner cavity 101 of the housing 100 from the key hole 120, and having a first layer of waterproof effect on the inner cavity 101 of the housing 100; the sealing cover 210 is in sealing contact with the key hole 120 of the housing 100, so that a second-layer waterproof effect is achieved on the inner cavity 101 of the housing 100. Therefore, both the sealing cover 210 and the sealing part 220 have sealing effect, greatly improving the waterproof performance of the key hole 120, preventing external liquid or humid air from being easily permeated into the inside of the housing, avoiding damage to the control part 110 installed in the inner cavity 101, and improving the service life.

In another embodiment of the present utility model, referring to fig. 3 and 4, the top end surface of the sealing cap 210 is provided with a connection hole 230 extending to the sealing portion 220, and the connecting rod 310 is inserted into the connection hole 230 and is interference-fitted with the connection hole 230, so that the connecting rod 310 is connected with the sealing member 200, and the installation is convenient.

Further, referring to fig. 3 and 4, the bottom of the connecting hole 230 is enlarged to form a clamping groove 231, and a clamping block 311 is protruding from the bottom of the connecting rod 310, and the clamping block 311 is clamped in the clamping groove 231, so that the connecting rod 310 is firmly connected with the connecting hole 230. Also, the clamping groove 231 is near the bottom of the sealing part 220, and the clamping groove 231 thins the bottom of the sealing part 220, so that the bottom of the sealing part 220 has better elasticity, which is beneficial for the connecting rod 310 to press the bottom of the sealing part 220 to elastically deform so as to press the push switch 111.

Further, referring to fig. 3 and 4, the locking block 311 is narrowed from an end close to the connecting rod 310 to an end far from the connecting rod 310 to form a first tapered portion, and the first tapered portion is advantageous to pass through the connection hole 230 and be locked in the locking groove 231.

Further, referring to fig. 3 and 4, the aperture of the connection hole 230 is provided as a first opening 232, so that the locking block 311 passes through the connection hole 230 from the first opening 232 and is locked in the locking groove 231.

In another embodiment of the present utility model, referring to fig. 3 and 4, at least one sealing ring 221 is disposed on a peripheral wall of the sealing portion 220, the sealing portion 220 is in interference fit with the key hole 120 through the sealing ring 221, the sealing ring 221 is smaller and is easy to elastically deform, and the sealing portion 220 is facilitated to be inserted into the key hole 120 in a sealing manner through the sealing ring 221 so as to seal the key hole 120, thereby facilitating installation.

In other embodiments, the peripheral wall of the sealing portion 220 may be provided with a plurality of sealing rings 221, so that the sealing performance is better.

In another embodiment of the present utility model, referring to fig. 3 and 4, a sealing block 222 is disposed at an end of the sealing portion 220 away from the sealing cover 210, the sealing portion 220 is close to the push switch 111 through the sealing block 222 (i.e. there may be a small gap between the sealing block 222 and the push switch 111), or the sealing portion 220 is in contact connection with the push switch 111 through the sealing block 222 (i.e. the sealing block 222 may press against or be clamped with the push switch 111).

Referring to fig. 3 and 4, the sealing block 222 is in sealing contact with the wall of the inner cavity 101, the sealing block 222 and the wall of the inner cavity 101 are in contact with each other, so that the sealing member 200 is firmly installed in the key hole 120, the sealing block 222 and the wall of the inner cavity 101 are in sealing contact with each other, the inner cavity 101 of the housing 100 is in sealing contact with each other, the third waterproof effect is achieved, the first waterproof effect achieved by the sealing portion 220 and the second waterproof effect achieved by the sealing cover 210 are combined, and the waterproof performance of the waterproof key structure 10 is greatly improved.

In other embodiments, the sealing cover 210, the sealing part 220, the sealing ring 221 and the sealing block 222 are integrally injection-molded, and the processing is convenient.

Further, referring to fig. 3 and 4, the sealing block 222 is narrowed from an end near the sealing portion 220 to an end far from the sealing portion 220 to form a second tapered portion, and the second tapered portion is beneficial to passing through the key hole 120 and being clamped to the wall of the inner cavity 101.

Further, referring to fig. 3 and 4, the opening of the key hole 120 is provided with a second opening 121, so that the sealing block 222 passes through the key hole 120 from the second opening 121 and is clamped to the wall of the inner cavity 101.

The control unit 110 may be configured by using an integrated chip (integrated circuit) according to actual production requirements, and the control unit 110 belongs to a technology of molding and maturing in the prior art, and is widely applied to electronic devices such as headphones.

In another embodiment of the present utility model, referring to fig. 2 and 3, the outer wall of the housing 100 is provided with a key receiving groove 130 at the key hole 120, and the key 300 is received in the key receiving groove 130, so that the overall structure of the waterproof key structure 10 is compact.

In another embodiment of the present utility model, referring to fig. 1-3, there is also provided a bone conduction headset having the waterproof key structure 10 described above. Therefore, the bone conduction headset has high waterproof performance of the waterproof key structure 10.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.

Claims

1. A waterproof key structure, comprising:

the shell (100), the shell (100) is provided with an inner cavity (101), the inner cavity (101) is provided with a control component (110) and a push switch (111) electrically connected with the control component (110), and the outer wall of the shell (100) is provided with a key hole (120) communicated with the inner cavity (101);

a seal member (200), the seal member (200) including a seal cover (210) and a seal portion (220) protruding on one side surface of the seal cover (210); the sealing part (220) is inserted into the key hole (120) and is in interference fit with the key hole (120), and the sealing cover (210) is in sealing abutting joint with the shell (100); one end of the sealing part (220) far away from the sealing cover (210) is close to the press switch (111) or is in contact connection with the press switch (111); and

the button (300), button (300) are equipped with connecting rod (310), connecting rod (310) with sealing member (200) is connected.

2. The waterproof key structure according to claim 1, wherein: the end face of the sealing cover (210) is provided with a connecting hole (230) extending to the sealing part (220), and the connecting rod (310) is inserted into the connecting hole (230).

3. The waterproof key structure according to claim 2, wherein: the bottom size of the connecting hole (230) is increased to form a clamping groove (231), a clamping block (311) is convexly arranged at the bottom of the connecting rod (310), and the clamping block (311) is clamped in the clamping groove (231).

4. A waterproof key structure according to claim 3, wherein: the clamping block (311) is reduced from one end close to the connecting rod (310) to one end far away from the connecting rod (310) to form a first conical part.

5. The waterproof key structure according to claim 2, wherein: the orifice of the connecting hole (230) is set as a first open mouth (232).

6. The waterproof key structure according to any one of claims 1 to 5, wherein: the peripheral wall of the sealing part (220) is provided with at least one sealing ring (221), and the sealing ring (221) is in interference fit with the key hole (120).

7. The waterproof key structure according to any one of claims 1 to 5, wherein: one end of the sealing part (220) far away from the sealing cover (210) is provided with a sealing block (222), the sealing block (222) is close to the push switch (111) or is in contact connection with the push switch (111), and the sealing block (222) is in sealing abutting connection with the wall of the inner cavity (101).

8. The waterproof key structure according to claim 7, wherein: the sealing block (222) is reduced from one end close to the sealing part (220) to one end far away from the sealing part (220) to form a second conical part.

9. The waterproof key structure according to any one of claims 1 to 5, wherein: the opening of the key hole (120) is set as a second open mouth (121).

10. A bone conduction headset characterized by having a waterproof key structure (10) according to any one of claims 1-9.