CN215834773U - Insertion piece type connecting structure between circuit board and plug of power adapter - Google Patents
Insertion piece type connecting structure between circuit board and plug of power adapter Download PDFInfo
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- CN215834773U CN215834773U CN202121391208.2U CN202121391208U CN215834773U CN 215834773 U CN215834773 U CN 215834773U CN 202121391208 U CN202121391208 U CN 202121391208U CN 215834773 U CN215834773 U CN 215834773U
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- elastic contact
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Abstract
A plug-in sheet 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, and the circuit board is inserted into the installation groove; a connecting piece is arranged in the mounting 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 an elastic contact piece formed by protruding and bending the base and the upper part of the base, and the elastic contact piece is connected with a contact seat arranged on the end face of the circuit board; guide grooves are formed on two sides of the mounting groove in a protruding mode through the body of the mounting groove, and the side edge of the circuit board can slide downwards along the guide grooves to be connected with the elastic contact piece; a limiting groove is arranged between the two guide grooves, and the circuit board is clamped in the limiting groove. The utility model has the beneficial effects that: the circuit board is connected with the plug by the inserting sheet mode, so that the problem that poor contact caused by a connecting structure on the market causes large resistance is avoided, and the situation that the power adapter generates heat and has high temperature is easily caused.
Description
Technical Field
The utility model relates to a power socket, in particular to a plug-in sheet 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 view of the above problems, the present invention provides a pin type connection, i.e. a pin or other point-connectable component is used between a circuit board and a plug to electrically connect the plug and the circuit board, but other problems are also caused by the pin type connection: if the connection between the contact pin and the circuit board is not stable enough, and the plug and the circuit board need to be matched with relatively high installation precision, the installation requirement is high, the manufacturing difficulty is high, and the production process is complicated, so that a plug sheet type connection structure between the circuit board and the plug of the power adapter is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a plug-in sheet type connecting 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 plug-in sheet 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, and a circuit board is inserted into the installation groove; a connecting piece is arranged in the mounting 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 an elastic contact piece formed by protruding and bending the base and the upper part of the base, and the elastic contact piece is connected with a contact seat arranged on the end face of the circuit board; guide grooves are formed on two sides of the mounting groove in a protruding mode through the body of the mounting groove, and the side edge of the circuit board can slide downwards along the guide grooves to be connected with the elastic contact piece; a limiting groove is arranged between the two guide grooves, and the circuit board is clamped in the limiting groove; the contact seat is connected with a power supply circuit of the circuit board.
The base is provided with a through hole, the inner end face of the power plug is provided with a contact post, and the contact post extends into and is clamped in the through hole to fix the base and the power plug.
The front end of the elastic contact piece is obliquely arranged.
The base and the elastic contact piece are integrally formed by bending metal conductive materials.
A guide boss is formed between the two elastic contact pieces by the protrusion of the plug seat body, and the upper end part of the guide boss is provided with a guide bevel edge.
The utility model has the beneficial effects that: 1. the connecting piece has simple structure and low manufacturing cost, and is favorable for improving the market competitiveness. 2. The inserting piece type connection and installation is simple in operation, low in difficulty and high in installation efficiency, and the production cost of the inserting piece type connection and installation is reduced. 3. The circuit board is connected with the plug by the inserting sheet mode, so that the problem that poor contact caused by a connecting structure on the market causes large resistance is avoided, and the situation that the power adapter generates heat and has high temperature is easily caused. 4. The elastic contact piece of the connecting piece can be always connected with the contact seat under the elasticity of the elastic contact piece, so that good and stable guiding performance is achieved, and the long-term stable work of the power adapter is ensured.
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 plug-in sheet formula connection structure between power adapter's circuit board and plug which characterized in that: the connector comprises a plug seat 1, wherein an installation groove 11 is formed in the plug seat 1 in a hollow mode, and a circuit board 2 is inserted into the installation groove 11; a connecting piece 3 is arranged in the mounting groove 11 and is connected with a power plug 4 at the front end part of the plug seat 1, and the power plug 4 is connected with the circuit board 2 through the connecting piece 3;
the connecting piece 3 comprises a base 31 fixed at the bottom of the mounting groove 11 and an elastic contact piece 32 formed by protruding and bending the base and the upper part of the base, and the elastic contact piece 32 is connected with a contact seat 21 arranged on the end surface of the circuit board 2; the two sides of the mounting groove 11 are formed with guide grooves 12 by the body, the side edge of the circuit board 2 can slide down along the guide grooves 12 to be connected with the elastic contact piece 32; a limiting groove 13 is arranged between the two guide grooves 12, and the circuit board 2 is clamped in the limiting groove 13; the contact base 21 is connected with the power supply circuit of the circuit board 2.
The base 31 is provided with a through hole, the inner end surface of the power plug 4 is provided with a contact post 41, and the contact post 41 extends into and is clamped in the through hole to fix the base 31 and the power plug 4.
The front end of the elastic contact piece 32 is arranged obliquely.
The base 31 and the elastic contact 32 are integrally formed by bending metal conductive materials.
A guide boss 14 is formed between the two elastic contact pieces 32 by the protrusion of the plug seat 1 body, and a guide bevel edge is arranged at the upper end part of the guide boss 14.
The working principle is as follows: in the scheme, the power adapter comprises a plug seat, a mounting groove is formed in the plug seat in a hollow mode, the circuit board is inserted into the mounting groove, a connecting piece is arranged in the mounting groove and connected with a power plug at the front end portion of the plug seat, and the power plug is connected with the circuit board through the connecting piece.
It should be noted that: the connecting piece has included fixing the base in the mounting groove bottom and the outstanding elastic contact piece of bending type formation in top, and when the circuit board need with power plug installation, circuit board both sides limit can be connected along the guide way of the outstanding formation in mounting groove body both sides, and circuit board both sides limit card is arranged in this guide way to can be connected with elastic contact piece along the guide way gliding. With on the market utilize elasticity clamping piece centre gripping circuit board, or utilize the contact pin to carry out point-to-point connection and compare, this power adapter has adopted the inserted sheet mode to be connected circuit board and power plug, and it is big to have avoided the contact failure that connection structure on the market arouses to lead to resistance to arouse the condition of power adapter high temperature that generates heat easily. Wherein the guide way has played the guide orientation effect to the circuit board, and elastic contact is connected with the contact seat and has played electrically conductive effect, and elastic contact and contact seat be oppression formula interference contact, and elastic contact's front end is the slope setting, and elastic contact can be connected with the contact seat all the time under its self elasticity, has played good stable guide performance, guarantees power adapter's long-term stable work.
Furthermore, a limiting groove is formed between the two guide grooves, a guide boss is formed between the two elastic contact pieces by the protrusion of the plug seat body, the upper end part of the guide boss is provided with a guide bevel edge, when the circuit board slides downwards, the guide boss helps to improve the installation precision of the circuit board, the circuit board can be guaranteed to be clamped in the limiting groove, the circuit board can be accurately connected with the elastic contact pieces, the installation precision is high, the installation operation is convenient and fast, the circuit board can be completed without professionals, the installation efficiency is high, and the installation cost is reduced.
Furthermore, the contact base is connected with a power supply line of the circuit board, meanwhile, a through hole is formed in the base, a contact column is arranged on the inner end face of the power plug, the contact column 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 later stage need be maintained, also can directly mention the circuit board up, force elastic contact piece and spacing groove and guide way separation can, the circuit board need not the welding can with the plug socket separation to the maintenance has been made things convenient for.
Furthermore, the base of the connecting piece and the elastic contact piece are integrally formed by bending metal conductive materials, so that the structure is simple, the manufacturing cost is low, the market value of the connecting piece is effectively improved, and the market competitiveness of the connecting piece 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 (5)
1. The utility model provides a plug-in sheet formula connection structure between power adapter's circuit board and plug which characterized in that: the socket comprises a socket (1), wherein a mounting groove (11) is formed in the socket (1) in a hollow mode, and a circuit board (2) is inserted into the mounting groove (11); a connecting piece (3) is arranged in the mounting groove (11) and connected with a power plug (4) at the front end part of the plug seat (1), and the power plug (4) is connected with the circuit board (2) through the connecting piece (3);
the connecting piece (3) comprises a base (31) fixed at the bottom of the mounting groove (11) and an elastic contact piece (32) formed by protruding and bending the base and the upper part of the base, and the elastic contact piece (32) is connected with a contact seat (21) arranged on the end face of the circuit board (2); guide grooves (12) are formed in two sides of the mounting groove (11) in a protruding mode through the body of the mounting groove, and the side edge of the circuit board (2) can slide downwards along the guide grooves (12) to be connected with the elastic contact pieces (32); a limiting groove (13) is arranged between the two guide grooves (12), and the circuit board (2) is clamped in the limiting groove (13); the contact seat (21) is connected with a power supply circuit of the circuit board (2).
2. The structure of claim 1, wherein the plug-in connection between the circuit board and the plug of the power adapter comprises: the base (31) is provided with a through hole, the inner end face of the power plug (4) is provided with a contact post (41), and the contact post (41) extends into and is clamped in the through hole to fix the base (31) and the power plug (4).
3. The structure of claim 1, wherein the plug-in connection between the circuit board and the plug of the power adapter comprises: the front end of the elastic contact piece (32) is obliquely arranged.
4. The structure of claim 1, wherein the plug-in connection between the circuit board and the plug of the power adapter comprises: the base (31) and the elastic contact piece (32) are integrally formed by bending metal conductive materials.
5. The structure of claim 1, wherein the plug-in connection between the circuit board and the plug of the power adapter comprises: a guide boss (14) is formed between the elastic contact pieces (32) by the protrusion of the plug seat (1) body, and a guide bevel edge is arranged at the upper end part of the guide boss (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391208.2U CN215834773U (en) | 2021-06-22 | 2021-06-22 | Insertion piece type connecting structure between circuit board and plug of power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391208.2U CN215834773U (en) | 2021-06-22 | 2021-06-22 | Insertion piece type connecting structure between circuit board and plug of power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215834773U true CN215834773U (en) | 2022-02-15 |
Family
ID=80190391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121391208.2U Active CN215834773U (en) | 2021-06-22 | 2021-06-22 | Insertion piece type connecting structure between circuit board and plug of power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215834773U (en) |
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2021
- 2021-06-22 CN CN202121391208.2U patent/CN215834773U/en active Active
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