CN210274446U

CN210274446U - Earphone button structure and earphone

Info

Publication number: CN210274446U
Application number: CN201921348151.0U
Authority: CN
Inventors: 王运川; 叶景清; 王俊伴
Original assignee: Jiangxi Lianchuang Sound Macro Electronic Co ltd
Current assignee: Jiangxi Lianchuang Sound Macro Electronic Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-07
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to an electronic equipment technical field especially relates to an earphone button structure and earphone, and this button structure includes button upper cover and shell, and the button upper cover passes through the glue lid with the shell and closes to be connected, is equipped with PCBA subassembly and lower lid between button upper cover and the shell in proper order, and the surface of lower lid closely laminates with the inner wall of shell, and the PCBA subassembly includes well framework and PCBA board, and the inside of well framework is equipped with the installation cavity, and the PCBA board is installed in the installation cavity, and well framework closes through the glue lid with lower lid and connects. The utility model discloses a lower lid and well framework lid form a confined space after closing, and the periphery in this confined space is equipped with another confined space that button upper cover and shell lid closed the formation, forms double-deck seal structure, strengthens the intensity and the waterproof nature of whole button structure, and the PCBA board is installed in the installation cavity of well framework, and the upper and lower surface of PCBA board is protected by well framework, further strengthens the waterproof nature of PCBA board.

Description

Earphone button structure and earphone

Technical Field

The utility model relates to an electronic equipment technical field especially relates to an earphone button structure and earphone.

Background

In recent years, consumer electronics are becoming more popular, and various electronic, electrical and electrical products and devices have higher requirements on hand feeling, water resistance and sweat resistance of keys.

The general earphone key structure includes the following three types: the first method comprises the following steps: a pressing stroke must exist between the key and the main body, and a pressing hand feeling is generated by the stroke of the key and the main body; and the second method comprises the following steps: double-color molding, wherein the button stroke is generated by the deformation of the soft rubber; and the third is that: the key performance is achieved through an electronic touch mode, and the hand feeling is not often pressed. The key structures commonly found on the market are the first and second types mentioned above. The first key structure, however, has the disadvantages that: dirty dust is got into easily to the clearance button to lead to the conducting resistance of button to rise, oxidation etc. finally leads to the button to become invalid, also is not favorable to waterproof simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone button structure and earphone solves the relatively poor problem of current earphone button waterproof sweat resistance ability.

The utility model provides an earphone button structure, includes button upper cover and shell, the button upper cover with the shell passes through the glue lid and closes the connection, the button upper cover with be equipped with PCBA subassembly and lower lid between the shell in proper order, the surface of lid down with the inner wall of shell closely laminates, the PCBA subassembly includes well framework and PCBA board, the shape of well framework is squarely, the inside of well framework is equipped with the installation cavity along length direction, the PCBA board install in the installation cavity, well framework with the lid passes through the glue lid down and closes the connection.

According to the utility model provides an earphone button structure has following beneficial effect: the utility model discloses a lower lid and well framework lid form a confined space after closing, and the periphery in this confined space is equipped with another confined space that button upper cover and shell lid closed the formation, forms double-deck seal structure, strengthens the intensity and the waterproof nature of whole button structure, and the PCBA board is installed in the installation cavity of well framework, and the upper and lower surface of PCBA board is protected by well framework, further strengthens the waterproof nature of PCBA board.

In addition, according to the utility model provides an earphone button structure can also have as follows additional technical characterstic:

further, the medial surface of button upper cover is equipped with waterproof muscle along the periphery, the periphery of shell is equipped with the groove of gluing that holds glue, waterproof muscle with glue groove block.

Furthermore, the button upper cover is towards the one side of well framework is equipped with the button post, well framework orientation the one side of PCBA board is equipped with the reference column, the reference column with the central line of button post is located same straight line, be equipped with key switch on the PCBA board, press the button post so that the reference column compresses tightly key switch.

Furthermore, the positioning column is abutted against the key switch.

Furthermore, the upper cover of the key is made of hard glue.

Furthermore, the key upper cover is positioned on two sides of the key post and is provided with glue reducing grooves formed by outward depression.

Further, the cross-sectional shapes of the housing and the lower cover are respectively U-shaped.

Furthermore, the two ends of the installation cavity are respectively provided with a plug sleeve and a fixing piece, the two ends of the installation cavity are communicated, one end of the PCBA board extends out of the installation cavity and is connected with the plug sleeve in an inserting mode, and the fixing piece is connected with the installation cavity in an inserting mode.

Furthermore, the inside of plug cover is equipped with and is used for pegging graft the cavity of PCBA board, the mounting member is kept away from the one end of installation cavity is equipped with the neck strap.

The utility model also provides an earphone of including above-mentioned earphone button structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an earphone key structure according to an embodiment of the present invention;

fig. 2 is an exploded view of the earphone key structure according to the embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 1;

FIG. 4 is a cross-sectional view taken in the direction of FIG. 1B-B;

fig. 5 is a schematic structural diagram of the upper cover of the key of the embodiment of the present invention;

10. a key top cover; 11. waterproof ribs; 12. a key post; 13. a glue reducing groove; 20. a PCBA component; 21. a middle frame body; 211. a mounting cavity; 212. a positioning column; 22. PCBA board; 221. a key switch; 30. a lower cover body; 40. a housing; 50. a plug cover; 60. a fixing member; 70. a neck strap.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 5, an embodiment of the present invention provides an earphone key structure, which sequentially includes a key top cover 10, a PCBA assembly 20, a bottom cover 30 and a housing 40 from top to bottom, wherein the key top cover 10 and the housing 40 are hermetically connected by a glue cover, and the PCBA assembly 20 and the bottom cover 30 are hermetically connected by a glue cover.

The button upper cover 10 with be equipped with PCBA subassembly 20 and lower lid 30 between the shell 40 in proper order, lower lid 30 with the surface with the inner wall of shell 40 closely laminates, and the upper portion of shell 40 can set up spacing, sets up lid 30 below spacing down, avoids lid 30 to reciprocate down, PCBA subassembly 20 includes well framework 21 and PCBA board 22, well framework 21's shape is squarely, and well framework is the double-colored shaping of soft or hard glue, the inside of well framework 21 is equipped with installation cavity 211 along length direction, PCBA board 22 install in installation cavity 211, well framework 21 with lower lid 30 closes the connection through the glue. The lower cover body 30 and the middle frame body 21 are covered to form a sealed space, the other sealed space formed by covering the key upper cover 10 and the shell 40 is arranged at the periphery of the sealed space to form a double-layer sealing structure, the strength and the waterproofness of the whole key structure are enhanced, the PCBA board 22 is arranged in the installation cavity 211 of the middle frame body 21, the upper surface and the lower surface of the PCBA board 22 are protected by the middle frame body 21, and the waterproofness of the PCBA board 22 is further enhanced.

Specifically, the medial surface of button upper cover 10 is equipped with waterproof muscle 11 along the periphery, the periphery of shell 40 is equipped with the groove of gluing that holds glue, waterproof muscle 11 with glue the groove block of gluing. Glue is applied to the gluing groove, the waterproof ribs 11 are clamped into the gluing groove, no pressing gap is formed between the periphery of the upper key cover 10 and the shell 40, seamless assembly is achieved, and water and sweat resistance of a product is facilitated.

The key top cover 10 is provided with a key post 12 on one surface facing the middle frame body 21, a positioning post 212 is provided on one surface of the middle frame body 21 facing the PCBA board 22, the central lines of the positioning post 212 and the key post 12 are located on the same straight line, the PCBA board 22 is provided with a key switch 221, and the key post 12 is pressed to enable the positioning post 212 to compress the key switch 221. The key post 12 is provided on the inner side surface of the key top cover 10, the pressure is transmitted to the positioning post 212 by pressing the key top cover 10, the key switch 221 is pressed by the positioning post 212, and the key stroke is reduced from 0.15mm to 0.1 mm. The positioning column is abutted with the key switch to shorten the key stroke; the material of button upper cover 10 is the ebonite material, and the button material can not be too rigid, otherwise presses labouriously, and the ebonite material has certain elasticity, and the user can use smoothly, just can press the button with less power.

The key top cover 10 is provided with glue reducing grooves 13 formed by outward sinking at two sides of the key post 12. The key upper cover 10 is located beside the key post 12 and is provided with the glue reducing groove 13, so that the thickness of the key upper cover 10 at the position is reduced, and the key upper cover 10 and the middle frame body 21 have a certain gap, so that the key upper cover 10 deforms, a user can use the key smoothly, and the key can be pressed by small force.

Specifically, the cross-sectional shapes of the housing 40 and the lower cover are respectively U-shaped, the two ends of the mounting cavity 211 are respectively provided with the plug sleeve 50 and the fixing member 60, the two ends of the mounting cavity 211 are communicated, one end of the PCBA board 22 extends out of the mounting cavity 211 to be plugged with the plug sleeve 50, and the fixing member 60 is plugged with the mounting cavity 211. The inside of the plug sleeve 50 is provided with a cavity for inserting the PCBA board 22, and one end of the fixing piece 60 far away from the mounting cavity 211 is provided with a neck strap 70. The end of the fixing piece 60 far away from the mounting cavity 211 is provided with a silica gel neck strap 70, the fixing piece 60 and the silica gel neck strap 70 are integrally formed, the neck strap 70 is used for being hung on the neck, the PCBA board 22 is inserted into the plug sleeve 50, the fixing piece 60 is inserted into the mounting cavity 211 and sealed by glue, one ends of the key upper cover 10 and the shell 40 are bonded and sealed through the plug sleeve 50, and the other ends of the key upper cover and the shell 40 are bonded and sealed through the fixing piece 60.

The utility model also provides an earphone button structure including above-mentioned structure.

The assembling process comprises the following steps: the upper key cover 10 can be directly touched and pressed by a user, during installation, the lower cover body 30 is firstly fixed on the shell 40 in a pressing and clamping manner, so that the outer surface of the lower cover body 30 is tightly attached to the inner wall of the shell 40, the PCBA board 22 is arranged in the installation cavity 211 of the middle frame body 21 in a penetrating manner, and two ends of the middle frame body 21 and two ends of the lower cover body 30 are covered and bonded through glue.

From the above description, the utility model provides a pair of earphone button structure and earphone, lower lid 30 and well framework 21 lid form a confined space after closing, the periphery in this confined space is equipped with button upper cover 10 and shell 40 lid and closes another confined space who forms, form double-deck seal structure, strengthen whole button structure's intensity and waterproof nature, and PCBA board 22 is installed in well framework 21's installation cavity 211, PCBA board 22's upper and lower surface is protected by well framework 21, further strengthen PCBA board 22's waterproof nature.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an earphone button structure, its characterized in that, includes button upper cover and shell, the button upper cover with the shell passes through the glue lid and closes the connection, the button upper cover with be equipped with PCBA subassembly and lower lid between the shell in proper order, down the surface of lid with the inner wall of shell closely laminates, the PCBA subassembly includes well framework and PCBA board, the shape of well framework is squarely, the inside of well framework is equipped with the installation cavity along length direction, the PCBA board install in the installation cavity, well framework with the lid passes through the glue lid down and closes the connection.

2. The earphone button structure of claim 1, wherein the inner side surface of the button top cover is provided with a waterproof rib along the periphery, the periphery of the casing is provided with a glue groove for accommodating glue, and the waterproof rib is engaged with the glue groove.

3. The earphone key structure of claim 1, wherein a key post is disposed on a surface of the key top cover facing the middle frame, a positioning post is disposed on a surface of the middle frame facing the PCBA board, center lines of the positioning post and the key post are located on a same straight line, a key switch is disposed on the PCBA board, and the key post is pressed to press the positioning post against the key switch.

4. The earphone key structure of claim 3, wherein the positioning post abuts against the key switch.

5. The earphone key structure of claim 3, wherein the key top cover is provided with glue reducing grooves formed by outward depressions at both sides of the key post.

6. The earphone key structure of claim 1, wherein a plug sleeve and a fixing member are respectively arranged at two ends of the mounting cavity, two ends of the mounting cavity are through, one end of the PCBA board extends out of the mounting cavity and is connected with the plug sleeve in an inserting mode, and the fixing member is connected with the mounting cavity in an inserting mode.

7. The earphone button structure of claim 6, wherein the plug sleeve is provided with a cavity for inserting the PCBA board, and a neck strap is arranged at one end of the fixing piece away from the mounting cavity.

8. An earphone, characterized in that, comprises the earphone key structure of any claim 1-7.