CN219478125U - Waterproof construction of post charges to earphone - Google Patents
Waterproof construction of post charges to earphone Download PDFInfo
- Publication number
- CN219478125U CN219478125U CN202320480128.7U CN202320480128U CN219478125U CN 219478125 U CN219478125 U CN 219478125U CN 202320480128 U CN202320480128 U CN 202320480128U CN 219478125 U CN219478125 U CN 219478125U
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- waterproof
- mounting hole
- charging post
- earphone
- charging
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Abstract
The utility model discloses a waterproof structure of a headset charging post, which comprises a headset base and a charging post, wherein a stepped mounting hole is formed in the headset base at a position corresponding to the charging post; the charging post is electrically connected to the circuit board in the earphone seat, the charging post is provided with a step part corresponding to the mounting hole, and a waterproof flange is integrally formed on the step part; the charging post is arranged in the mounting hole from inside to outside, waterproof cotton matched with the waterproof flange is arranged in the mounting hole, and sealing is formed between the charging post and the mounting hole through the matching of the waterproof cotton and the waterproof flange. According to the utility model, the waterproof flange is integrally formed on the step part of the charging post corresponding to the mounting hole, the waterproof flange can be designed to be wedge-shaped, and the wedge-shaped waterproof flange is inserted into the waterproof cotton corresponding to the waterproof flange by utilizing the pressing force during mounting, so that the waterproof sealing checkpoint is formed, and dust and water can be effectively intercepted.
Description
Technical field:
the utility model relates to the technical field of earphone products, in particular to a waterproof structure of an earphone charging post, which can improve the waterproof grade of an earphone.
The background technology is as follows:
in order to adapt to the use scene of the general wireless earphone, the earphone is required to achieve a certain waterproof effect. For example, the bluetooth wireless headset product produced by the applicant itself requires a waterproof grade up to IPX 6. The current wireless earphone is provided with a battery, so that the battery needs to be charged when in use. The current interface that charges in order to prevent foreign matter or hydrone interface that charges from getting into, can adopt magnetism to inhale the contact interface that charges generally, set up positive and negative electrode charging post promptly on the earphone, be provided with the charging terminal that corresponds with the positive and negative electrode charging post in the interface that charges on charging plug (or charging seat), make charging post and charging terminal contact through magnetic attraction during the use, realize charging.
In order to ensure the waterproof effect of the magnetic contact charging interface in the earphone, the current charging column is usually a stepped copper column, and the charging column is inserted into a hole position formed in the earphone seat from inside to outside during installation, and the position is limited by the stepped part, so that the outer side end of the charging column is exposed on the surface of the earphone seat. The structure has the defects that: in the assembly process of the charging post and the hole site, even if interference fit is adopted, certain gaps exist between the charging post and the hole site, which is caused by machining precision, and external moisture can enter the inside of the earphone seat along the gaps, so that the circuit inside the earphone seat is damaged. In order to enhance the waterproof ability between the charging post and the hole site, it is currently common practice to apply a waterproof glue in the gap, but for such a product with a fine volume, the waterproof glue may be squeezed out during the installation process, resulting in failure to seal all the assembly gaps.
In view of the above, the present inventors have proposed the following technical solutions for the guide ear waterproof level.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provide a waterproof structure of an earphone charging post.
In order to solve the technical problems, the utility model adopts the following technical scheme: the waterproof structure of the earphone charging post comprises an earphone seat, wherein the earphone seat is provided with a charging post for charging an earphone, and a stepped mounting hole is formed in the earphone seat at a position corresponding to the charging post; the charging post is electrically connected to the circuit board in the earphone seat, the charging post is provided with a step part corresponding to the mounting hole, and a waterproof flange is integrally formed on the step part; the charging post is arranged in the mounting hole from inside to outside, waterproof cotton matched with the waterproof flange is arranged in the mounting hole, and sealing is formed between the charging post and the mounting hole through the matching of the waterproof cotton and the waterproof flange.
Furthermore, in the above technical scheme, a sealing ring is further arranged between the mounting hole and the charging post.
Furthermore, in the above technical solution, the mounting hole sequentially includes, from inside to outside: the inner edge of the mounting hole, the first step part, the second step part and the outer edge of the mounting hole; the charging column sequentially comprises the following components from inside to outside: the connecting part is electrically connected with the circuit board, the extension plate is matched with the first step part, the groove is corresponding to the second step part, and the contact part is exposed at the outer edge of the mounting hole; the sealing ring is arranged in an assembly space formed by the second step part and the groove in an interference fit mode.
In the above technical solution, the waterproof flange has a wedge-shaped cross section with a tip facing the outside of the mounting hole.
Furthermore, in the above technical solution, the circuit board is fixed inside the mounting hole by a fixing pin in the earphone seat, and the waterproof flange tip is inserted into the waterproof cotton by using the pressure generated when the circuit board is assembled with the fixing pin.
After the technical scheme is adopted, the utility model has the following advantages:
1. according to the utility model, the waterproof flange is integrally formed on the step part of the charging post corresponding to the mounting hole, the waterproof flange can be designed to be wedge-shaped, and the wedge-shaped waterproof flange is inserted into the waterproof cotton corresponding to the waterproof flange by utilizing the pressing force during mounting, so that the waterproof sealing checkpoint is formed, and dust and water can be effectively intercepted.
2. According to the utility model, the sealing ring is arranged in an assembly space formed by the second stepped part and the groove through interference fit, the clamping force is formed by the interference fit, the sealing ring is fixed, and a sealing waterproof checkpoint is formed, so that most of dust and water can be blocked.
Under the combined action of the two waterproof structures, the charging interface part of the earphone can effectively meet the waterproof and dustproof requirements of over IPX7 level even without adopting any waterproof seal.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an exploded perspective view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
fig. 4 is a perspective view of a charging post in the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
The utility model relates to a waterproof structure of a headset charging post, which is shown in fig. 1 to 3, and comprises the following components: a headset base 1. The earphone seat 1 serves as a housing part in an earphone, and a circuit board 3 serving as a charging circuit is provided inside the earphone seat. The outer surface of the earphone seat 1 is exposed with a charging column 2 serving as a positive charging electrode and a negative charging electrode, and the charging column 2 is used for being matched with an external charging plug or a charging seat to charge the earphone.
As shown in fig. 2 and 3, the earphone seat 1 is provided with a mounting hole 10 corresponding to the charging post 2, and the mounting hole 10 is stepped. The mounting hole 10 sequentially comprises from inside to outside: a mounting hole inner edge 101, a first step 102, a second step 103, and a mounting hole outer edge 104.
Referring to fig. 3 and 4, the charging post 2 sequentially includes, from inside to outside: the connecting part 21, the extending part 22, the groove 23 and the contact part 24, wherein the connecting part 21 is used for being electrically connected with the circuit board 3; the extension plate 22 extends from the side of the charging post 2 as an extension step that mates with the first step 102. The groove 23 corresponds to the second step part 103 in position; the contact portion 24 is exposed at the outer edge 104 of the mounting hole, and is used for electrically contacting with an external charging plug and a charging socket.
The utility model adopts two waterproof structures, comprising:
first department waterproof construction: the sealing ring 5 is arranged between the mounting hole 10 and the charging post 2, specifically, the sealing ring 5 is mounted in an assembly space formed by the second step part 103 and the groove 23 through interference fit. The interference fit here includes: the shaft hole matching between the column body of the upper contact part 24 of the charging column 2 and the hole site at the outer edge 104 of the mounting hole adopts interference fit, and tight connection can be formed between the charging column 2 and the mounting hole through the interference fit, so that the charging column 2 and the mounting hole 10 are prevented from falling off. The seal ring 5 is also in interference fit with the assembly space formed by the second step 103 and the groove 23, the seal ring 5 is made of rubber material, extrusion force is formed on the seal ring 5 through the interference fit, the whole assembly space is filled with the seal ring 5, and effective sealing is formed.
Second department waterproof construction: the surface of the extension part 22 corresponding to the first step part 102 of the charging post 2 is integrally formed with a waterproof flange 21, and the cross section of the waterproof flange 20 is wedge-shaped with the tip facing the outside of the mounting hole 10. In the mounting process, the connection end 24 of the charging post 2 is fixedly connected to the circuit board 3, and the circuit board 3 is fixed inside the mounting hole 10 through the fixing pin 11 in the earphone seat 1. The charging post 2 is pressurized by the pressure generated when the circuit board 3 is assembled with the fixing pin 11, so that the tip of the waterproof flange 20 is inserted into the waterproof cotton 4, and the waterproof cotton 4 is extruded and expanded due to the wedging of the waterproof flange 20 into the waterproof cotton 4, thereby forming an effective waterproof function.
In summary, when the utility model is used, the sealing ring is used for forming the first sealing waterproof barrier, so that most of dust and water can be blocked. And secondly, for moisture, dust and the like which seldom break through the sealing ring, a second waterproof checkpoint of sealing is formed by utilizing the waterproof flange, so that dust and water are thoroughly intercepted. Under the combined action of the two waterproof structures, even if no waterproof seal is adopted, the charging interface part of the earphone can effectively meet the waterproof and dustproof requirements of over IPX7 level.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (5)
1. The waterproof structure of the earphone charging post comprises an earphone seat (1), wherein the earphone seat (1) is provided with a charging post (2) for charging an earphone, and a stepped mounting hole (10) is formed in the position, corresponding to the charging post (2), of the earphone seat (1); the charging post (2) is electrically connected to the circuit board (3) in the earphone seat (1), and is characterized in that:
the charging post (2) is provided with a step part corresponding to the mounting hole (10), and a waterproof flange (20) is integrally formed on the step part;
the charging column (2) is arranged in the mounting hole (10) from inside to outside, waterproof cotton (4) matched with the waterproof flange (20) is arranged in the mounting hole (10), and sealing is formed between the charging column (2) and the mounting hole (10) through the matching of the waterproof cotton (4) and the waterproof flange (20).
2. The waterproof structure of an earphone charging post according to claim 1, wherein: and a sealing ring (5) is further arranged between the mounting hole (10) and the charging column (2).
3. The waterproof structure of an earphone charging post according to claim 2, wherein: the mounting hole (10) sequentially comprises from inside to outside: an inner edge (101) of the mounting hole, a first step part (102), a second step part (103) and an outer edge (104) of the mounting hole;
the charging column (2) sequentially comprises from inside to outside: the connecting part (21) is electrically connected with the circuit board (3), the extension plate (22) is matched with the first step part (102), the groove (23) is corresponding to the second step part (103), and the contact part (24) is exposed at the outer edge (104) of the mounting hole;
the sealing ring (5) is arranged in an assembly space formed by the second step part (103) and the groove (23) through interference fit.
4. A waterproof structure of an earphone charging post according to any one of claims 1 to 3, characterized in that: the cross section of the waterproof flange (20) is wedge-shaped, and the tip of the waterproof flange faces the outside of the mounting hole (10).
5. The waterproof structure of the earphone charging post according to claim 4, wherein: the circuit board (3) is fixed inside the mounting hole (10) through a fixing pin (11) in the earphone seat (1), and the tip of the waterproof flange (20) is inserted into the waterproof cotton (4) by utilizing pressure generated when the circuit board (3) is assembled with the fixing pin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320480128.7U CN219478125U (en) | 2023-03-13 | 2023-03-13 | Waterproof construction of post charges to earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320480128.7U CN219478125U (en) | 2023-03-13 | 2023-03-13 | Waterproof construction of post charges to earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219478125U true CN219478125U (en) | 2023-08-04 |
Family
ID=87440629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320480128.7U Active CN219478125U (en) | 2023-03-13 | 2023-03-13 | Waterproof construction of post charges to earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219478125U (en) |
-
2023
- 2023-03-13 CN CN202320480128.7U patent/CN219478125U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |