CN219107608U

CN219107608U - Anti-loosening earphone PCBA main board

Info

Publication number: CN219107608U
Application number: CN202222817944.0U
Authority: CN
Inventors: 张晓峰; 李洪海; 邹开利; 李云峰; 黄少波; 舒云
Original assignee: Dongguan Huayin Electronic Technology Co ltd
Current assignee: Dongguan Huayin Electronic Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-30
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a locking type earphone PCBA main board, which belongs to the technical field of PCBA main boards and comprises a PCBA main board main body, wherein a first microphone welding hole, a power welding hole and a second microphone welding hole are formed in the PCBA main board main body, the first microphone welding hole, the power welding hole and the second microphone welding hole are all used for welding parts, the locking type earphone PCBA main board further comprises a positioning piece, the positioning piece is clamped and installed on the inner sides of the first microphone welding hole, the power welding hole and the second microphone welding hole, a contact piece of the positioning piece is abutted against the outer side wall of a needle point of the part, the positioning piece comprises a rod piece and a contact piece, a plurality of rod pieces are vertically distributed along the axial directions of the first microphone welding hole, the power welding hole and the second microphone welding hole, and a plurality of rod pieces are annularly distributed in a hole position; this design adds the setting element on the welding hole of PCBA mainboard main part, through the setting element in the soldering process with increase spare part stitch and PCBA mainboard main part's stability, avoid taking place not hard up condition that drops.

Description

Anti-loosening earphone PCBA main board

Technical Field

The utility model belongs to the technical field of PCBA mainboards, and particularly relates to a locking earphone PCBA mainboard.

Background

PCBA is an important electronic component, is a support for electronic components, and is called a "printed" circuit board because it is made by electronic printing technology, namely PCBA, printed circuit board, also called printed circuit board, which is the whole process of PCB blank through SMT loading or DIP plug-in. Before the appearance of the printed circuit board, the interconnection between the electronic components is directly connected by the wires to form a complete circuit, and in the earphone, the PCBA is required to be connected with a plurality of parts such as a main control chip, a receiver, a microphone, a battery, a microphone and the like, and is generally used for realizing the functions of Bluetooth, audio power amplifier control and the like.

At present, because earphone PCBA mainboard moves along with the user when wearing, in the motion process and the careless drop of earphone all can take place to rock and vibrate, the soldering of mainboard in addition can all lead to the electron spare part on the mainboard to take place not hard up, and we propose an anti-loosening earphone PCBA mainboard for this reason.

Disclosure of Invention

The utility model aims to provide a locking type earphone PCBA main board so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a locking earphone PCBA mainboard that moves, includes PCBA mainboard main part, have first microphone welding hole, power welding hole and second microphone welding hole in the PCBA mainboard main part, first microphone welding hole, power welding hole and second microphone welding hole all are used for the welding of spare part, still include the setting element, the inboard in first microphone welding hole, power welding hole and second microphone welding hole is installed to the setting element block, the contact of setting element is contradicted to spare part needle point lateral wall.

Further, the locating piece comprises a rod piece and a contact piece, a plurality of rod pieces are vertically distributed along the axial directions of the first microphone welding hole, the power welding hole and the second microphone welding hole, and the rod pieces are annularly distributed at the hole positions.

Further, the middle part of member has offered the conflict terminal surface, the conflict terminal surface is used for fixing a position PCBA mainboard main part.

Further, the middle part of the rod piece is fixed through the locating ring, the middle part of the rod piece forms a connecting section for contacting with the inner wall of the hole site, and the rod piece, the contact piece, the connecting section and the locating ring are of an integrated structure.

Further, the connecting section is used for being in contact with the inner wall of the hole site.

Further, the first microphone welding hole, the power welding hole and the second microphone welding hole are equally divided into a negative electrode welding hole and a positive electrode welding hole.

Further, the positioning ring is used for positioning the rod piece.

Compared with the prior art, the utility model has the beneficial effects that:

1. this design adds the setting element on the welding hole of PCBA mainboard main part, through the setting element in the soldering process with increase spare part stitch and PCBA mainboard main part's stability, avoid taking place not hard up condition that drops, increase PCBA mainboard main part and use.

2. The contact piece through setting element tip carries out auxiliary welding with the outer wall contact of stitch, and its conflict terminal surface in the locating part locates the welding hole simultaneously, and the material of setting element is copper, has good solderability, even take place to melt in the welding process and attach between stitch and hole site, but increase stability and conductivity.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of the present utility model;

FIG. 3 is a schematic view of a positioning member according to the present utility model;

in the figure: 1. PCBA main board main body; 101. a first microphone weld hole; 1011. a negative electrode welding hole; 1012. a positive electrode welding hole; 102. a power supply welding hole; 103. a second microphone weld hole; 2. a positioning piece; 201. a rod piece; 202. a contact; 203. a connection section; 204. a positioning ring; 205. abutting the end face.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the present utility model proposes a technical solution: the utility model provides a locking earphone PCBA mainboard that moves, including PCBA mainboard main part 1, have first microphone welding hole 101 on the PCBA mainboard main part 1, power welding hole 102 and second microphone welding hole 103, first microphone welding hole 101, power welding hole 102 and second microphone welding hole 103 all are used for the welding of spare part, still include setting element 2, setting element 2 block is installed in the inboard of first microphone welding hole 101, power welding hole 102 and second microphone welding hole 103, setting element 2's contact 202 is contradicted spare part needle tip lateral wall, wherein, setting element 2 includes member 201, contact 202, a plurality of members 201 are along first microphone welding hole 101, power welding hole 102 and the vertical distribution of axis direction in second microphone welding hole 103, a plurality of members 201 are the annular distribution in the hole site, setting element 2 is set up on the welding hole of PCBA mainboard main part 1 to the setting element 2, stability through setting element 2 with increase spare part and PCBA main part 1, the condition that takes place not hard up, the main part 1 that drops is avoided the PCBA mainboard that uses to increase the mainboard.

Specifically, the middle part of member 201 has offered the conflict terminal surface 205, and the conflict terminal surface 205 is used for fixing a position PCBA mainboard main part 1, and the middle part of member 201 passes through holding ring 204 to be fixed, and holding ring 204 is used for fixing a position member 201, and the middle part of member 201 forms link 203, and link 203 is used for contacting with the hole site inner wall, member 201, contact 202, link 203 and holding ring 204 structure as an organic whole.

Specifically, the first microphone bonding hole 101, the power bonding hole 102, and the second microphone bonding hole 103 are equally divided into a negative electrode bonding hole 1011 and a positive electrode bonding hole 1012.

Specifically, the rod 201, the contact 202, the connection section 203, and the positioning ring 204 are made of copper.

The working principle and the using flow of the utility model are as follows: the locating piece 2 is preassembled on the inner sides of the first microphone welding hole 101, the power welding hole 102 and the second microphone welding hole 103 on the PCBA main board body 1, wherein the locating ring 204 is used for abutting against the inner walls of the first microphone welding hole 101, the power welding hole 102 and the second microphone welding hole 103, and meanwhile, each rod piece 201 is located, in addition, the abutting end face 205 can prevent the rod piece 201 and a pin of a part to be welded from moving up and down, when in welding, the pin of the part is inserted into a corresponding hole site, a soldering pen, rosin and a welding rod are adopted for welding, the locating piece 2 is melted under the condition of high temperature due to the fact that the whole body is copper and is filled between the pin and the inner wall of the hole, the rod piece 201 and the contact piece 202 are conveniently attached to the pin when melted, and the rod piece 201 is solidified on the inner side of the hole site and gaps are filled, so that stability can be increased, and falling can be prevented.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a locking earphone PCBA mainboard that moves, includes PCBA mainboard main part (1), have first microphone welding hole (101), power welding hole (102) and second microphone welding hole (103) on PCBA mainboard main part (1), first microphone welding hole (101), power welding hole (102) and second microphone welding hole (103) all are used for the welding of spare part, its characterized in that: still include setting element (2), setting element (2) block is installed in the inboard of first microphone welding hole (101), power welding hole (102) and second microphone welding hole (103), contact (202) of setting element (2) are contradicted spare part needle point lateral wall.

2. The anti-loosening headset PCBA motherboard of claim 1, wherein: the locating piece (2) comprises a rod piece (201) and a contact piece (202), wherein a plurality of rod pieces (201) are vertically distributed along the axial direction of a first microphone welding hole (101), a power supply welding hole (102) and a second microphone welding hole (103), and the rod pieces (201) are annularly distributed at the hole positions.

3. The anti-loosening headset PCBA motherboard of claim 2, wherein: the middle part of member (201) has offered conflict terminal surface (205), conflict terminal surface (205) are used for fixing a position PCBA mainboard main part (1).

4. The anti-loosening headset PCBA motherboard of claim 2, wherein: the middle part of member bar (201) is fixed through holding ring (204), the middle part of member bar (201) forms link (203) for with hole site inner wall contact, member bar (201), contact (202), link (203) and holding ring (204) are integrated into one piece structure.

5. The anti-loosening headset PCBA motherboard of claim 4, wherein: the connecting section (203) is used for being in contact with the inner wall of the hole site.

6. The anti-loosening headset PCBA motherboard of claim 1, wherein: the first microphone welding hole (101), the power welding hole (102) and the second microphone welding hole (103) are respectively divided into a negative electrode welding hole (1011) and a positive electrode welding hole (1012).