CN213186706U - Hearing aid circuit board embedding and fixing structure - Google Patents
Hearing aid circuit board embedding and fixing structure Download PDFInfo
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- CN213186706U CN213186706U CN202021982530.8U CN202021982530U CN213186706U CN 213186706 U CN213186706 U CN 213186706U CN 202021982530 U CN202021982530 U CN 202021982530U CN 213186706 U CN213186706 U CN 213186706U
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- circuit board
- assembly
- hearing aid
- fixing structure
- pad group
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Abstract
The utility model discloses a audiphone circuit board gomphosis fixed knot constructs relates to the audiphone field, which comprises a housin, be equipped with the second circuit board in the installation cavity of casing, second circuit board one side is equipped with first circuit board, first circuit board place plane is mutually perpendicular with second circuit board place plane, be equipped with first pad group on the technology edge on the first circuit board, be equipped with second pad group on the second circuit board, first pad group and second pad group electric connection, be equipped with a plurality of assembly parts on being in same straight line on the first circuit board, be equipped with a plurality of assembly openings that are in on the same straight line on the second circuit board, assembly part on the first circuit board inlays respectively in locating the assembly opening that corresponds on the second circuit board. The circuit on the first circuit board and the circuit on the second circuit board are connected into a circuit with complete functions by using the modes of embedding the assembly ports and the assembly parts and welding and connecting the welding pads on two sides, so that the production efficiency is improved, and the internal space is saved.
Description
Technical Field
The utility model relates to a audiphone field especially relates to a audiphone circuit board gomphosis fixed knot constructs.
Background
In the existing hearing aid industry, in order to make full use of space, electronic component layouts in design often need to be placed on a plurality of PCBs (printed circuit boards) respectively, and due to the fact that circuit connection relations exist among the PCBs (printed circuit boards), the PCBs (flexible circuit boards) need to be connected through a lead or used, and meanwhile, an additional design structure is needed to be used for fixing another PCB (printed circuit board) or FPC (flexible circuit board), so that the internal space of the hearing aid is occupied. The connection by using the lead has the problems of difficult welding, time consumption, easy disconnection during assembly and low efficiency. The price of using FPC (flexible circuit board) is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a audiphone circuit board gomphosis fixed knot constructs to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a audiphone circuit board gomphosis fixed knot constructs, includes the casing, be equipped with the second circuit board in the installation cavity of casing, second circuit board one side is equipped with first circuit board, first circuit board place plane is mutually perpendicular with second circuit board place plane, be equipped with first pad group on the first circuit board at the technology edge, be equipped with second pad group on the second circuit board, first pad group and second pad group electric connection, be equipped with a plurality of assembly parts on the same straight line on the first circuit board, be equipped with a plurality of assembly ports on the same straight line on the second circuit board, assembly parts on the first circuit board inlays respectively and locates in the assembly port that corresponds on the second circuit board. During assembly, the assembly opening of the second circuit board is embedded with the assembly part of the first circuit board, and then the solder pad group with the corresponding circuit relation on the second circuit board and the first circuit board is soldered by an electric soldering iron.
Furthermore, the circuit board further comprises a third circuit board, the third circuit board is electrically connected with the second circuit board, and the plane where the third circuit board is located is perpendicular to the plane where the first circuit board is located. The third circuit board and the first circuit board are vertically distributed, so that the internal space of the object can be utilized.
Furthermore, the straight line of the assembly opening is parallel to the edge of the second circuit board contacting the first circuit board, and the straight line of the assembly opening is parallel to the edge of the first circuit board contacting the second circuit board. The side edge of the first circuit board can contact with the surface of the first circuit board when the assembly member is inserted into the assembly opening.
Furthermore, the plane of the third circuit board is intersected with the plane of the second circuit board. One end of the third circuit board inclines towards the first circuit board, and the inner space of the shell is fully utilized.
Furthermore, the second pad group comprises a plurality of second reference pads which are uniformly arranged on the same straight line at intervals, the first pad group comprises a plurality of first reference pads which are uniformly arranged on the same straight line at intervals, and the first reference pads on the first circuit board are respectively and electrically connected with the corresponding second reference pads on the second circuit board mainboard through soldering tin. After the side edge of the first circuit board is contacted with the board surface of the second circuit board, the second reference bonding pads are in one-to-one correspondence with the first reference bonding pads and are connected through soldering tin.
Further, the second reference pad is arranged on the process edge of the second circuit board, and the first reference pad is arranged on the process edge of the first circuit board. When the assembly part on the first circuit board is inserted into the assembly opening on the second circuit board, the second circuit board and the circuit on the first circuit board have enough distance, so that the circuits on the second circuit board and the first circuit board are not interfered and influenced mutually.
Further, the assembly part is a plate body which is integrally formed and arranged on the side edge of the first circuit board. When the assembly parts on the side edges of the first circuit board are inserted into the assembly openings on the second circuit board, the side edges of the first circuit board are contacted with the board surface of the second circuit board.
Furthermore, a circuit board groove for embedding a third circuit board is formed in the outer side face of the shell, a third positioning hole is formed in the third circuit board, and a third positioning column embedded in the third positioning hole is arranged in the circuit board groove. And a third circuit board is accommodated through the circuit board groove, and the third circuit board is positioned and supported through the cooperation of the third positioning hole and the third positioning column.
Further, the inner wall of the shell is provided with a plurality of supporting columns, and the first circuit board is detachably arranged on the supporting columns. The support column is used for supporting and mounting the first circuit board, so that the assembly parts on the first circuit board are aligned with the assembly openings on the second circuit board.
Furthermore, a first positioning hole is formed in the first circuit board, and a first positioning column embedded in the first positioning hole is arranged on the inner wall of the shell. The first circuit board is positioned by matching the first positioning hole and the first positioning column, and the assembly speed of the first circuit board is improved.
The utility model discloses a theory of operation does: the welding disc and the assembly opening are reserved on the first circuit board and the second circuit board which need to be connected, the first circuit board and the second circuit board are embedded with the assembly part through the assembly opening during assembly, then the welding discs with corresponding circuit relations on the first circuit board and the second circuit board are welded through the welding tin, circuits on the first circuit board and the second circuit board are connected to form a circuit with complete functions, product functions are achieved, the assembly part is assembled in the assembly opening through the welding fixing of the plurality of welding discs, and the second circuit board does not need to be fixed through an additional supporting structure.
The utility model has the advantages that: the circuit on the first circuit board and the circuit on the second circuit board are connected into a circuit with complete functions by using the modes of embedding the assembly ports and the assembly parts and welding and connecting the welding pads on two sides, so that the production efficiency is improved, and the internal space is saved.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of a fitting and fixing structure of a hearing aid circuit board according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fitting and fixing structure of a hearing aid circuit board according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fitting and fixing structure of a hearing aid circuit board according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fitting and fixing structure of a hearing aid circuit board according to an embodiment of the present invention.
The labels in the figure are: the circuit board assembly comprises a shell 1, a first circuit board 2, a second circuit 3, a third circuit board 4, an assembly part 5, an assembly opening 6, a first pad group 7, a second pad group 8, a first positioning column 9, a third positioning column 10 and a supporting column 11.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
As shown in fig. 1 to 4, an embodiment of the present invention provides a hearing aid circuit board fitting and fixing structure, including a housing 1, a second circuit board 3 is arranged in the mounting cavity of the shell 1, a first circuit board 2 is arranged on one side of the second circuit board 3, the plane of the first circuit board 2 is vertical to the plane of the second circuit board 3, a first bonding pad group 7 is arranged on the process edge of the first circuit board 2, the second circuit 3 board is provided with a second bonding pad group 8, the first bonding pad group 7 is electrically connected with the second bonding pad group 8, the first circuit board 2 is provided with a plurality of assembly parts 5 which are positioned on the same straight line, the second circuit board 3 is provided with a plurality of assembly ports 6 which are positioned on the same straight line, the assembly parts 5 on the first circuit board 2 are respectively embedded in the corresponding assembly openings 6 on the second circuit board 3. During assembly, the mounting opening 6 of the second circuit board 3 is fitted to the mounting portion 5 of the first circuit board 2, and then the second circuit board 3 and the land group having a corresponding circuit relationship on the first circuit board 2 are soldered by soldering tin using an electric iron.
The circuit board further comprises a third circuit board 4, the third circuit board 4 is electrically connected with the second circuit board 3, and the plane of the third circuit board 4 is perpendicular to the plane of the first circuit board 2. The third circuit board 4 and the first circuit board 2 are vertically distributed to be beneficial to utilizing the internal space of an object.
The straight line of the assembly opening 6 is parallel to the edge of the second circuit board 3 contacting the first circuit board 2, and the straight line of the assembly part 5 is parallel to the edge of the first circuit board 2 contacting the second circuit board 3. The side edge of the first circuit board 2 can be in contact with the board surface of the first circuit board 2 when the fitting member 5 is inserted into the fitting opening 6.
The plane of the third circuit board 4 is intersected with the plane of the second circuit board 3. One end of the third circuit board 4 is inclined towards the first circuit board 2, and the inner space of the shell 1 is fully utilized.
The second pad group 8 comprises a plurality of second reference pads which are uniformly arranged on the same straight line at intervals, the first pad group 7 comprises a plurality of first reference pads which are uniformly arranged on the same straight line at intervals, and the first reference pads on the first circuit board 2 are respectively electrically connected with the corresponding second reference pads on the mainboard of the second circuit 3 through soldering tin. After the side edge of the first circuit board 2 is contacted with the board surface of the second circuit board 3, the second reference bonding pads are in one-to-one correspondence with the first reference bonding pads and are connected through soldering tin.
The second reference pad is arranged on the process edge of the second circuit board 3, and the first reference pad is arranged on the process edge of the first circuit board 2. When the assembly part 5 on the first circuit board 2 is inserted into the assembly opening 6 on the second circuit board 3, the second circuit board 3 and the circuit on the first circuit board 2 have enough distance, so that the circuits on the second circuit board 3 and the first circuit board 2 are not interfered with each other and not influenced with each other.
The assembly part 5 is a plate body which is integrally formed and arranged on the side edge of the first circuit board 2. When the assembly parts 5 on the side edge of the first circuit board 2 are inserted into the assembly openings 6 on the second circuit board 3, the side edge of the first circuit board 2 is contacted with the board surface of the second circuit board 3.
A circuit board groove for embedding the third circuit board 4 is formed in the outer side surface of the shell 1, a third positioning hole is formed in the third circuit board 4, and a third positioning column 10 embedded in the third positioning hole is arranged in the circuit board groove. The third circuit board 4 is accommodated by the circuit board slot, and the third circuit board 4 is positioned and supported by the cooperation of the third positioning hole and the third positioning column 10.
The inner wall of the shell 1 is provided with a plurality of supporting columns 11, and the first circuit board 2 is detachably arranged on the supporting columns 11. The support posts 11 are used to support and mount the first circuit board 2 such that the mounting members 5 on the first circuit board 2 are aligned with the mounting openings 6 on the second circuit board 3.
A first positioning hole is formed in the first circuit board 2, and a first positioning column 9 embedded in the first positioning hole is arranged on the inner wall of the shell 1. The first circuit board 2 is positioned by matching the first positioning hole and the first positioning column 9, which is beneficial to improving the assembly speed of the first circuit board 2.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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 (10)
1. A hearing aid circuit board embedding and fixing structure is characterized in that: the novel printed circuit board assembly comprises a housing, be equipped with the second circuit board in the installation cavity of casing, second circuit board one side is equipped with first circuit board, first circuit board place plane is perpendicular with second circuit board place plane mutually, be equipped with first pad group on the technology edge on the first circuit board, be equipped with second pad group on the second circuit board, first pad group and second pad group electric connection, be equipped with a plurality of assembly parts on the same straight line on the first circuit board, be equipped with a plurality of assembly ports on the same straight line on the second circuit board, assembly part on the first circuit board inlays respectively and locates in the assembly port that corresponds on the second circuit board.
2. The hearing aid circuit board fitting fixing structure according to claim 1, wherein: the circuit board further comprises a third circuit board, the third circuit board is electrically connected with the second circuit board, and the plane where the third circuit board is located is perpendicular to the plane where the first circuit board is located.
3. The hearing aid circuit board fitting fixing structure according to claim 2, wherein: the straight line of the assembly opening is parallel to the edge of the second circuit board, which is in contact with the first circuit board, and the straight line of the assembly opening is parallel to the edge of the first circuit board, which is in contact with the second circuit board.
4. The hearing aid circuit board fitting fixing structure according to claim 2, wherein: and the plane where the third circuit board is located is intersected with the plane where the second circuit board is located.
5. The hearing aid circuit board fitting fixing structure according to claim 2, wherein: the second pad group comprises a plurality of second reference pads which are uniformly arranged on the same straight line at intervals, the first pad group comprises a plurality of first reference pads which are uniformly arranged on the same straight line at intervals, and the first reference pads on the first circuit board are respectively and electrically connected with the corresponding second reference pads on the second circuit board mainboard through soldering tin.
6. The hearing aid circuit board fitting fixing structure according to claim 5, wherein: the second reference welding disc is arranged on the process edge of the second circuit board, and the first reference welding disc is arranged on the process edge of the first circuit board.
7. The hearing aid circuit board fitting fixing structure according to claim 2, wherein: the assembly part is the integrated into one piece's plate body that sets up on the side of first circuit board.
8. The hearing aid circuit board fitting fixing structure according to claim 1, wherein: the outer side surface of the shell is provided with a circuit board groove for embedding a third circuit board, the third circuit board is provided with a third positioning hole, and a third positioning column embedded in the third positioning hole is arranged in the circuit board groove.
9. The hearing aid circuit board fitting fixing structure according to claim 1, wherein: the inner wall of the shell is provided with a plurality of supporting columns, and the first circuit board is detachably arranged on the supporting columns.
10. The hearing aid circuit board fitting fixing structure according to claim 1, wherein: the first circuit board is provided with a first positioning hole, and the inner wall of the shell is provided with a first positioning column embedded in the first positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982530.8U CN213186706U (en) | 2020-09-11 | 2020-09-11 | Hearing aid circuit board embedding and fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982530.8U CN213186706U (en) | 2020-09-11 | 2020-09-11 | Hearing aid circuit board embedding and fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213186706U true CN213186706U (en) | 2021-05-11 |
Family
ID=75772750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021982530.8U Active CN213186706U (en) | 2020-09-11 | 2020-09-11 | Hearing aid circuit board embedding and fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213186706U (en) |
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2020
- 2020-09-11 CN CN202021982530.8U patent/CN213186706U/en active Active
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