CN215343097U - Contact pin type connecting structure between circuit board and plug of power adapter - Google Patents
Contact pin type connecting structure between circuit board and plug of power adapter Download PDFInfo
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- CN215343097U CN215343097U CN202121391207.8U CN202121391207U CN215343097U CN 215343097 U CN215343097 U CN 215343097U CN 202121391207 U CN202121391207 U CN 202121391207U CN 215343097 U CN215343097 U CN 215343097U
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Abstract
A pin type connecting structure between a circuit board and a plug of a power adapter comprises a plug seat, wherein an installation groove is formed in the plug seat in a hollow mode, the circuit board is embedded in the installation groove, a connecting piece is arranged in the installation groove and connected with a power plug at the front end part of the plug seat, and the power plug is connected with the circuit board through the connecting piece; the connecting piece comprises a base fixed at the bottom of the mounting groove and a contact pin formed by protruding above the base, and the contact pin penetrates through the positioning hole of the circuit board and is connected with a contact seat arranged on the end face of the circuit board; the contact base comprises a bottom plate and elastic clamping pieces positioned on two sides of the bottom plate, the contact pin penetrates through the bottom plate and is inserted between the two elastic clamping pieces, and the contact base is connected with a power supply circuit of the circuit board. The utility model has the beneficial effects that: the contact pin mode is connected circuit board and plug, has avoided because the contact failure that the circuit board terminal surface unevenness leads to, improves its stability of connecting each other, guarantees power adapter stable operation for a long time.
Description
Technical Field
The utility model relates to a power socket, in particular to a pin type connecting structure between a circuit board and a plug of a power adapter.
Background
The power adapter makes point connections between devices and systems, and is a basic element necessary to form a complete system. In addition to meeting the general performance requirements of power adapters, it is particularly important that the power connectors have good contact, reliable operation and convenient maintenance. The circuit board among the traditional power adapter is connected through the welding mode between with the plug, and the welding mode is fixed, and power adapter when the equipment, except that the welding personnel who needs the specialty operate, still require welding personnel to possess high specialty, and the operation degree of difficulty is big, and operating efficiency is low, is unfavorable for long-term production demand.
In order to facilitate installation and disassembly, part of manufacturers adopt a mode of utilizing the elastic clamping piece to connect the circuit board with the plug, although the installation difficulty is reduced for a certain length, the elastic clamping piece is in integral contact, the contact sensitivity is weaker, and the contact area between the elastic clamping piece and the circuit board is relatively reduced due to the fact that the surface of the circuit board is uneven, so that the contact resistance is large, and the subsequent high-temperature heating phenomenon easily occurs, so that safety accidents are caused. In order to solve the above drawbacks, it is urgently needed to provide a pin type connection structure between a circuit board and a plug of a power adapter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a pin type connection structure between a circuit board and a plug of a power adapter, which has the advantages of simple structure, low manufacturing cost, simple installation and operation and capability of ensuring the long-term stable work of the power adapter.
The object of the utility model is achieved in the following way: the utility model provides a contact pin formula connection structure between power adapter's circuit board and plug which characterized in that: the plug comprises a plug seat, wherein an installation groove is formed in the plug seat in a hollow mode, a circuit board is embedded in the installation groove, a connecting piece is arranged in the installation groove and connected with a power plug at the front end part of the plug seat, and the power plug is connected with the circuit board through the connecting piece; the connecting piece comprises a base fixed at the bottom of the mounting groove and a contact pin formed by protruding above the base, and the contact pin penetrates through the positioning hole of the circuit board and is connected with a contact seat arranged on the end face of the circuit board; the contact base comprises a bottom plate and elastic clamping pieces positioned on two sides of the bottom plate, the contact pin penetrates through the bottom plate and is inserted between the two elastic clamping pieces, and the contact base is connected with a power supply circuit of the circuit board.
The base is provided with a through hole, the end face of the power plug is provided with a contact piece, and the contact piece extends into and is clamped in the through hole to electrically connect the base and the power plug.
The base and the contact pin are integrally formed by bending metal conductive materials.
The bottom plate of the contact seat is provided with a butt joint hole, and after the contact seat and the circuit board are installed, the butt joint hole is aligned with the positioning hole in the circuit board.
The bottom plate is provided with an electrode needle extending downwards, and the electrode needle is welded and fixed on the circuit board.
The bottom plate and the elastic clamping piece are integrally formed by bending metal conductive materials.
The mounting groove is internally provided with a plurality of limiting bosses which are formed by the body in a protruding way, and the connecting piece is clamped on the limiting bosses.
The utility model has the beneficial effects that: 1. the connecting piece and the contact seat have simple structures and low manufacturing cost, and are favorable for improving the market competitiveness. 2. The contact pin type connection and installation is simple in operation, low in difficulty and high in installation efficiency, and the production cost of the contact pin type connection and installation is reduced. 3. The contact pin mode is connected circuit board and plug, has avoided because the contact failure that the circuit board terminal surface unevenness leads to, improves its stability of connecting each other, guarantees power adapter stable operation for a long time.
Drawings
FIG. 1 is a diagram illustrating the assembly effect of the present invention.
Fig. 2 is a top view of the power adapter of the present invention.
Fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention.
FIG. 4 is an enlarged view of FIG. 3 at B.
Fig. 5 is a schematic diagram of the internal structure of the power adapter of the present invention.
FIG. 6 is a structural assembly view of the circuit board and the plug receptacle of the present invention.
Fig. 7 is a schematic structural diagram of the circuit board of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The utility model provides a contact pin formula connection structure between power adapter's circuit board and plug which characterized in that: the plug base comprises a plug base 1, wherein an installation groove 11 is formed in the plug base 1 in a hollow mode, a circuit board 2 is embedded in the installation groove 11, a connecting piece 4 is arranged in the installation groove 11 and connected with a power plug 3 at the front end portion of the plug base 1, and the power plug 3 is connected with the circuit board 2 through the connecting piece 4; the connecting piece 4 comprises a base 41 fixed at the bottom of the mounting groove 11 and a pin 42 formed by protruding above the base, and the pin 42 passes through the positioning hole 21 of the circuit board 2 and is connected with the contact seat 5 arranged on the end surface of the circuit board 2; the contact base 5 comprises a bottom plate 51 and elastic clamping pieces 52 positioned on two sides of the bottom plate 51, the contact pin 42 penetrates through the bottom plate 51 and is inserted between the two elastic clamping pieces 52, and the contact base 5 is connected with a power supply circuit of the circuit board 2.
The base 41 is provided with a through hole, the end face of the power plug 3 is provided with a contact sheet 31, and the contact sheet 31 extends into and is clamped in the through hole to electrically connect the base 41 and the power plug 3.
The base 41 and the pins 42 are integrally formed by bending metal conductive materials.
The bottom plate 51 of the contact base 5 is provided with a butt-joint hole 511, and after the contact base 5 is installed on the circuit board 2, the butt-joint hole 511 is aligned with the positioning hole 21 on the circuit board 2.
The bottom plate 51 is provided with an electrode pin 512 extending downwards, and the electrode pin 512 is welded and fixed on the circuit board 2.
The bottom plate 51 and the elastic clip 52 are integrally formed by bending metal conductive materials.
A plurality of limiting bosses are formed in the mounting groove 11 in a protruding mode through the body of the mounting groove, and the connecting piece 4 is clamped on the limiting bosses 12.
The working principle is as follows: in the present case, power adapter has included the plug seat, and cavity is formed with the mounting groove in the plug seat, and the embedded installation of circuit board is in this mounting groove, has wherein set up the power plug connection of connecting piece and plug seat front end portion in the mounting groove, and power plug passes through the connecting piece and is connected with the circuit board.
It should be noted that: the connecting piece comprises a base fixed at the bottom of the mounting groove and a contact pin formed by protruding the base and the upper part of the mounting groove, when the circuit board needs to be mounted with the power plug, the circuit board slides downwards along the mounting groove, and the contact pin passes through the positioning hole of the circuit board and is directly connected with the contact seat arranged on the end face of the circuit board. The contact base comprises a bottom plate and elastic clamping pieces positioned on two sides of the bottom plate, and after the contact pin penetrates through a butt joint hole formed in the bottom plate, the contact pin is inserted into the middle of the two elastic clamping pieces, so that the circuit board is connected with the power plug. Compared with the elastic clamping piece of the whole piece type on the market, the power adapter adopts a pin inserting mode to connect the circuit board with the plug. Wherein, the locating hole plays the positioning action to the contact pin, two elasticity clamping piece sides play with the conductive action of contact pin, and clamping piece elasticity centre gripping has played good electric conductive property on the contact pin surface, has avoided because the contact failure that the circuit board terminal surface unevenness leads to, and the connection of contact pin formula can improve its conducting area each other simultaneously, guarantees power adapter long-term stable work. Besides, the contact pin type connection and installation is simple in operation, low in operation difficulty, high in installation efficiency and low in installation cost, and can be completed without professional staff.
Furthermore, the contact seat is connected with a power supply line of the circuit board, meanwhile, the base is provided with a through hole, a contact sheet arranged on the end face of the power plug extends into and is clamped in the through hole, and the circuit board is connected with the power plug by using the connecting piece as an intermediate medium. When the circuit board needs to be maintained in the later period, the circuit board can be directly lifted upwards to force the contact pin to be separated from the positioning hole and the elastic clamping piece, the circuit board can be separated from the shell without welding, thereby facilitating the maintenance,
furthermore, the base and the contact pin of the connecting piece are integrally bent and formed by metal conductive materials, the bottom plate and the elastic clamping piece of the contact seat are integrally bent and formed by metal conductive materials, the structure is simple, the manufacturing cost is low, the market value of the contact seat is effectively improved, and the market competitiveness of the contact seat is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a contact pin formula connection structure between power adapter's circuit board and plug which characterized in that: the plug base comprises a plug base (1), wherein a mounting groove (11) is formed in the plug base (1) in a hollow mode, a circuit board (2) is installed in the mounting groove (11) in an embedded mode, a connecting piece (4) is arranged in the mounting groove (11) and connected with a power plug (3) at the front end portion of the plug base (1), and the power plug (3) is connected with the circuit board (2) through the connecting piece (4); the connecting piece (4) comprises a base (41) fixed at the bottom of the mounting groove (11) and a contact pin (42) formed by protruding above the base, and the contact pin (42) penetrates through the positioning hole (21) of the circuit board (2) and is connected with a contact seat (5) arranged on the end face of the circuit board (2); the contact base (5) comprises a bottom plate (51) and elastic clamping pieces (52) positioned on two sides of the bottom plate (51), a contact pin (42) penetrates through the bottom plate (51) and is inserted between the two elastic clamping pieces (52), and the contact base (5) is connected with a power supply circuit of the circuit board (2).
2. The structure of claim 1, wherein the pin-type connection structure between the circuit board and the plug of the power adapter comprises: the power plug is characterized in that a through hole is formed in the base (41), a contact piece (31) is arranged on the end face of the power plug (3), the contact piece (31) extends into and is clamped in the through hole, and the base (41) is electrically connected with the power plug (3).
3. The structure of claim 2, wherein the pin-type connection structure between the circuit board and the plug of the power adapter is characterized in that: the base (41) and the contact pin (42) are integrally formed by bending metal conductive materials.
4. The structure of claim 1, wherein the pin-type connection structure between the circuit board and the plug of the power adapter comprises: the contact base is characterized in that a butt joint hole (511) is formed in a bottom plate (51) of the contact base (5), and after the contact base (5) and the circuit board (2) are installed, the butt joint hole (511) is aligned with a positioning hole (21) in the circuit board (2).
5. The structure of claim 1, wherein the pin-type connection structure between the circuit board and the plug of the power adapter comprises: the bottom plate (51) is provided with an electrode needle (512) extending downwards, and the electrode needle (512) is welded and fixed on the circuit board (2).
6. The structure of claim 1, wherein the pin-type connection structure between the circuit board and the plug of the power adapter comprises: the bottom plate (51) and the elastic clamping piece (52) are integrally formed by bending metal conductive materials.
7. The structure of claim 1, wherein the pin-type connection structure between the circuit board and the plug of the power adapter comprises: a plurality of limiting bosses are formed in the mounting groove (11) in a protruding mode through the body of the mounting groove, and the connecting piece (4) is clamped on the limiting bosses (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391207.8U CN215343097U (en) | 2021-06-22 | 2021-06-22 | Contact pin type connecting structure between circuit board and plug of power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391207.8U CN215343097U (en) | 2021-06-22 | 2021-06-22 | Contact pin type connecting structure between circuit board and plug of power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215343097U true CN215343097U (en) | 2021-12-28 |
Family
ID=79560522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121391207.8U Active CN215343097U (en) | 2021-06-22 | 2021-06-22 | Contact pin type connecting structure between circuit board and plug of power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215343097U (en) |
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2021
- 2021-06-22 CN CN202121391207.8U patent/CN215343097U/en active Active
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