CN216217777U - Positioning structure of circuit board and smart phone - Google Patents
Positioning structure of circuit board and smart phone Download PDFInfo
- Publication number
- CN216217777U CN216217777U CN202122266758.8U CN202122266758U CN216217777U CN 216217777 U CN216217777 U CN 216217777U CN 202122266758 U CN202122266758 U CN 202122266758U CN 216217777 U CN216217777 U CN 216217777U
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- positioning
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- connecting piece
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Abstract
The utility model provides a positioning structure of a circuit board and a smart phone, wherein the positioning structure comprises a main circuit board, an auxiliary circuit board, an FPC (flexible printed circuit) connecting piece, a shell and a positioning device, wherein the main circuit board, the auxiliary circuit board and the FPC connecting piece are respectively arranged in the shell; one side of the FPC connecting piece is provided with an ear, the ear is provided with a first positioning hole, the shell is provided with a second positioning hole at a position corresponding to the first positioning hole, and after the first positioning hole and the second positioning hole are accurately positioned through the positioning device, the FPC connecting piece is installed on the shell. The utility model has the beneficial effects that: the positioning structure limits the shell and the FPC connecting piece in the X direction and the Y direction through the steel needle on the device jig, so that the shell and the FPC connecting piece can effectively meet the requirement of assembly precision in the production and assembly processes, and the smooth connection between the main board and the auxiliary board is effectively ensured.
Description
Technical Field
The utility model relates to the field of mobile phone communication, in particular to a positioning structure of a circuit board and a smart phone.
Background
The smart phone generally has mainboard and subplate, and the quantity of subplate can be a plurality ofly according to the actual demand, can use FPC to connect and carry out data communication between mainboard and the subplate often, and the integrated level of cell-phone requires highly, and the location requirement to FPC also needs the accuracy. The main and auxiliary boards are connected with the FPC through a connector. Usually, for the FPC with long span, the structural design generally has the gum to stick on the shell, playing the fixed action.
The assembly precision requirement between the connectors is very high, and the existing structural design easily causes the following problems due to the lack of FPC assembly positioning reference: firstly, if the FPC is assembled to be close to the lower part, the connector at the end of the main board cannot be contacted, and if the FPC is assembled to be close to the upper part, stress is generated due to bending of the FPC, and the connector is pushed open, so that poor contact is caused. Secondly, FPC assembly is easy to be inclined, so that the connector cannot be assembled normally.
SUMMERY OF THE UTILITY MODEL
The utility model provides a positioning structure of a circuit board, which comprises a main circuit board, an auxiliary circuit board, an FPC (flexible printed circuit) connecting piece, a shell and a positioning device, wherein the main circuit board, the auxiliary circuit board and the FPC connecting piece are respectively arranged in the shell; one side of the FPC connecting piece is provided with an ear, the ear is provided with a first positioning hole, the shell is provided with a second positioning hole at a position corresponding to the first positioning hole, and when the first positioning hole and the second positioning hole pass through the positioning device for accurate positioning, the FPC connecting piece is installed on the shell.
As a further improvement of the present invention, the positioning device includes an assembly jig and a positioning pin, the positioning pin is mounted on the assembly jig, and the positioning pin can sequentially pass through the first positioning hole and the second positioning hole.
As a further improvement of the present invention, the number of the ears is two, each ear is provided with one first positioning hole, and the housing corresponding to the first positioning hole is provided with one second positioning hole.
As a further improvement of the present invention, the positioning structure further comprises an adhesive material, and the FPC connecting member is mounted on the housing through the adhesive material.
As a further improvement of the present invention, the first positioning hole and the second positioning hole have the same aperture size.
As a further improvement of the utility model, the diameter of the cross section of the positioning needle is smaller than the diameters of the first positioning hole and the second positioning hole.
As a further improvement of the utility model, the positioning needles are steel needles, and the number of the positioning needles is two.
The utility model also discloses a smart phone which comprises the positioning structure.
The utility model has the beneficial effects that: 1. the positioning structure limits the shell and the FPC connecting piece in the X direction and the Y direction through the steel needle on the device jig, so that the shell and the FPC connecting piece can effectively meet the assembly precision requirement in the production and assembly process, and the smooth connection between the main board and the auxiliary board is effectively ensured; 2. by adopting the positioning structure, the production cost is reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a block diagram of a positioning device of the present invention;
FIG. 2 is a block diagram of the positioning device of the present invention during installation.
Detailed Description
As shown in fig. 1-2, the present invention discloses a positioning device of a circuit board, which comprises a main circuit board 1, an auxiliary circuit board 2, an FPC connector 3, a housing 4, and a positioning device, wherein the main circuit board 1, the auxiliary circuit board 2, and the FPC connector 3 are respectively installed in the housing 4, and the FPC connector 3 is installed between the main circuit board 1 and the auxiliary circuit board 2; one side of FPC connecting piece 3 is equipped with ear 30, be equipped with first locating hole 31 on the ear 30, casing 4 with first locating hole 31 corresponds the position and is equipped with the second locating hole, works as first locating hole 31 with the second locating hole passes through after positioner pinpoints, will FPC connecting piece 3 installs on casing 4.
The positioning device comprises an assembly jig 5 and a positioning needle, wherein the positioning needle is installed on the assembly jig 5 and can sequentially penetrate through the first positioning hole 31 and the second positioning hole.
The number of the ears 30 is two, each ear 30 is provided with one first positioning hole 31, and the housing 4 corresponding to the first positioning hole 31 is provided with one second positioning hole.
The positioning structure further comprises a pasting material, and the FPC connecting piece 3 is installed on the shell 4 through the pasting material.
The first positioning hole 31 and the second positioning hole have the same aperture size.
The diameter of the cross section of the positioning needle is smaller than the diameters of the first positioning hole 31 and the second positioning hole.
The locating pin is the steel needle, locating pin quantity is two.
The installation process comprises the following steps:
two cylindrical steel needles are arranged at the opposite positions of the shell 4 and the first positioning holes 31 on the FPC connecting piece 3 and inserted into the assembling jig 5, the shell 4 is firstly placed on the assembling jig 5, two second positioning holes on the shell 4 are assembled and penetrate through the two steel needles, and then the two first positioning holes 31 of the FPC connecting piece 3 are aligned with the steel needles and adhered to the shell 4.
The utility model also discloses a smart phone which comprises the positioning structure.
The utility model has the beneficial effects that: 1. according to the positioning structure, the shell 4 and the FPC connecting piece 3 are limited in the X direction and the Y direction through the steel needle on the device jig 5, so that the shell and the FPC connecting piece can effectively meet the assembly precision requirement in the production and assembly processes, and smooth connection between a main board and an auxiliary board is effectively guaranteed; 2. by adopting the positioning structure, the production cost is reduced, and the working efficiency is improved.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (8)
1. A positioning structure of a circuit board is characterized in that: the circuit board comprises a main circuit board (1), an auxiliary circuit board (2), an FPC connecting piece (3), a shell (4) and a positioning device, wherein the main circuit board (1), the auxiliary circuit board (2) and the FPC connecting piece (3) are respectively installed in the shell (4), and the FPC connecting piece (3) is installed between the main circuit board (1) and the auxiliary circuit board (2); one side of FPC connecting piece (3) is equipped with ear (30), be equipped with first locating hole (31) on ear (30), casing (4) with first locating hole (31) correspond the position and are equipped with the second locating hole, work as first locating hole (31) with the second locating hole passes through after positioner pinpoints, will FPC connecting piece (3) are installed on casing (4).
2. The positioning structure according to claim 1, wherein: the positioning device comprises an assembly jig (5) and a positioning needle, wherein the positioning needle is installed on the assembly jig (5), and can sequentially penetrate through the first positioning hole (31) and the second positioning hole.
3. The positioning structure according to claim 1, wherein: the number of the ears (30) is two, each ear (30) is provided with one first positioning hole (31), and the shell (4) corresponding to the first positioning hole (31) is provided with one second positioning hole.
4. The positioning structure according to claim 1, wherein: the positioning structure further comprises a pasting material, and the FPC connecting piece (3) is installed on the shell (4) through the pasting material.
5. The positioning structure according to claim 1, wherein: the first positioning hole (31) and the second positioning hole are the same in aperture size.
6. The positioning structure according to claim 1, wherein: the diameter of the cross section of the positioning needle is smaller than the diameters of the first positioning hole (31) and the second positioning hole.
7. The positioning structure according to claim 2, wherein: the locating pin is the steel needle, locating pin quantity is two.
8. A smart phone, characterized in that: the smartphone comprises a positioning structure as claimed in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266758.8U CN216217777U (en) | 2021-09-18 | 2021-09-18 | Positioning structure of circuit board and smart phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266758.8U CN216217777U (en) | 2021-09-18 | 2021-09-18 | Positioning structure of circuit board and smart phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216217777U true CN216217777U (en) | 2022-04-05 |
Family
ID=80920734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122266758.8U Active CN216217777U (en) | 2021-09-18 | 2021-09-18 | Positioning structure of circuit board and smart phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216217777U (en) |
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2021
- 2021-09-18 CN CN202122266758.8U patent/CN216217777U/en active Active
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