CN211126157U

CN211126157U - Spring sheet structure of vehicle charging plug

Info

Publication number: CN211126157U
Application number: CN201922362366.4U
Authority: CN
Inventors: 王诗太; 杨俊�; 谭志忠
Original assignee: Power7 Dongguan Technology Co ltd
Current assignee: Power7 Dongguan Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-28
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a shell fragment structure of plug is filled to car, it includes first shell fragment and second shell fragment, first shell fragment includes first shell fragment body, first bullet arm and be used for pegging graft to fix on PCBA board and switch on participate in, be provided with interior conductive contact on the first bullet arm, this interior conductive contact keeps in contact and constitutes with the second shell fragment mutually and switches on, the second shell fragment includes second shell fragment body and second bullet arm, the second is provided with outer conductive contact on playing the arm, this outer conductive contact is used for seeing through the car and fills the plug shell and fill female seat with the car and pair, second shell fragment body assembly is fixed on first shell fragment body or the car fills on the plug shell inner wall. The utility model discloses an installation respectively to PCBA board and car fill in the plug housing rethread elastic conductive contact mutual contact switch on of first shell fragment and second shell fragment, simplified the assembly process, reduced the assembly degree of difficulty and to being difficult to drop to the post-assembly pad, improved circular telegram stability and higher working life.

Description

Spring sheet structure of vehicle charging plug

Technical Field

The utility model relates to an electric accessory technical field, especially a shell fragment structure of car charging plug.

Background

At present, most of vehicle charging spring plates in the market adopt an integrated spring plate structure for assembly contact connection, and the assembly mode has high assembly difficulty; moreover, since the spring plate moves during use, the pad is easily loosened and even falls off over time, which results in poor electrical performance.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide a car and fill shell fragment structure of plug, constitute by two shell fragments, install respectively to PCBA and car fill in the plug housing rethread elastic conductive contact mutual contact switch on, simplified the assembly process, reduced the assembly degree of difficulty and to being difficult to drop to the post-assembly pad.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides a shell fragment structure of plug is filled to car, it includes first shell fragment and second shell fragment, first shell fragment includes first shell fragment body, first bullet arm and be used for pegging graft to fix participating in on PCBA board and switch on, be provided with interior conductive contact on the first bullet arm, this interior conductive contact keeps in contact and constitutes to switch on with the second shell fragment mutually, the second shell fragment includes second shell fragment body and second bullet arm, the second is provided with outer conductive contact on playing the arm, this outer conductive contact is used for seeing through the car and fills the plug shell and mate with the car and fill female seat, second shell fragment body assembly is fixed on first shell fragment body or the car fills on the plug shell inner wall.

In the technical scheme, the pin is provided with an anti-back-off structure and a guiding insertion structure.

In the above technical solution, the pins are U-shaped pins.

In the above technical scheme, the second elastic sheet is further provided with an auxiliary supporting sheet, and the second elastic sheet is supported on the first elastic sheet body of the first elastic sheet through the auxiliary supporting sheet.

In the above technical scheme, the free end of the auxiliary supporting sheet is provided with an arc bending part, and the bottom surface of the arc bending part is in elastic contact with the first elastic sheet body.

In the above technical scheme, be provided with between first shell fragment body and the first shell fragment and be used for keeping the holding structure of first shell fragment and second shell fragment in close contact with, this holding structure is for including first elastic sheet, and the one end of first elastic arm links to each other with the one end of first elastic sheet and is certain contained angle, and the other end of first elastic sheet links to each other with first shell fragment body.

In the above technical scheme, the second elastic sheet is of a half-wrapped structure and is wrapped outside the first elastic sheet, and the inner conductive contact of the first elastic sheet is in contact with the inner wall of the second elastic sheet.

In the above technical scheme, the first elastic sheet body, the first elastic arm, the pin and the inner conductive contact are integrally formed.

In the above technical scheme, the second elastic sheet body, the second elastic arm and the outer conductive contact are integrally formed.

The utility model has the advantages that: the first elastic sheet and the second elastic sheet are respectively installed in the PCBA and the vehicle charging plug shell and then are in contact conduction with each other through the elastic conductive contacts, the assembly process is simplified, the assembly difficulty is reduced, the assembled pad is not easy to fall off, and the electrifying stability and the service life are improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a front view structure diagram of the present invention.

In the figure, 1, a first elastic sheet; 2. a second elastic sheet; 11. a first elastic sheet body; 12. a first elastic arm; 13. a pin; 14. an inner conductive contact; 15. a back-off prevention structure; 16. a guide insertion structure; 17. a first resilient sheet; 21. a second elastic sheet body; 22. a second elastic arm; 23. an auxiliary support sheet; 24. an arc bending part; 25. an outer conductive contact.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, an embodiment of a spring structure of a vehicle charging plug is composed of a first spring 1 and a second spring 2.

The first elastic sheet 1 comprises a first elastic sheet body 11, a first elastic arm 12 and a pin 13 which is used for being inserted and fixed on the PCBA and is conducted, an inner conductive contact 14 is arranged on the first elastic arm 12, and the inner conductive contact 14 is kept in contact with the second elastic sheet 2 and is conducted. The pin 13 is provided with a back-off prevention structure 15 and a guide insertion structure 16. The pins 13 are U-shaped pins 13. The first elastic sheet 1 can be more reliably fixed on the PCBA board, and the situation that the first elastic sheet is easy to loosen on the PCBA board is prevented. A holding structure for holding the first elastic arm 12 and the second elastic sheet 2 in close contact is arranged between the first elastic sheet body 11 and the first elastic arm 12, the holding structure comprises a first elastic sheet 17, one end of the first elastic arm 12 is connected with one end of the first elastic sheet 17 to form a certain included angle, and the other end of the first elastic sheet 17 is connected with the first elastic sheet body 11. When the vehicle charging plug is used, the outer conductive contact 25 is extruded, the second elastic arm 22 is also extruded, the inner conductive contact 14 is also extruded, the first elastic arm 12 is also extruded, the first elastic piece 17 is also extruded, and the first elastic piece 17 provides a pushing force opposite to the extrusion force for the first elastic arm 12 while being extruded, so that the first elastic arm 12 can have strong deformation resistance to the extrusion force, the contact capacity of the inner conductive contact 14 is ensured, and the electrifying stability is ensured.

Wherein, second shell fragment 2 includes second shell fragment body 21 and second bullet arm 22, is provided with outer conductive contact 25 on the second bullet arm 22, and this outer conductive contact 25 is used for permeating the car and fills the plug shell and mate with the car and fill female seat, and the assembly of second shell fragment body 21 is fixed on the car fills the plug shell inner wall. The second elastic sheet 2 is further provided with an auxiliary supporting sheet 23, and the auxiliary supporting sheet 23 is supported on the first elastic sheet body 11 of the first elastic sheet 1. The free end of the auxiliary supporting sheet 23 is provided with an arc bending part 24, and the bottom surface of the arc bending part 24 is in elastic contact with the first elastic sheet body 11. The first resilient piece 1 and the second resilient piece 2 are in elastic contact with each other through the auxiliary support piece 23, and also serve as contact points in addition to the inner conductive contact 14. The second elastic sheet 2 is of a half-wrapped structure and is wrapped outside the first elastic sheet 1, and the inner conductive contact 14 of the first elastic sheet 1 is in contact with the inner wall of the second elastic sheet 2.

The first elastic sheet body 11, the first elastic arm 12, the pin 13, the inner conductive contact 14, and the first elastic sheet 17 are integrally formed. The second elastic sheet body 21, the second elastic arm 22, the auxiliary support sheet 23 and the outer conductive contact 25 are integrally formed.

The utility model discloses a theory of operation: firstly, the first elastic sheet 1 is assembled and fixed on a PCBA board, the second elastic sheet 2 is assembled on the inner wall of a vehicle charging plug shell, then the PCBA board is communicated with the first elastic sheet 1 to be assembled inside the vehicle charging plug shell, the top surface of the first elastic sheet 1, namely the top surface of the first elastic sheet body 11 and the bottom surface of the arc bending part 24 of the auxiliary supporting sheet 23, are in elastic contact and move relative to each other during assembly, and after the assembly is in place, the inner conductive contact 14 of the first elastic sheet 1 is in elastic contact with the inner wall of the second elastic sheet 2.

The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a shell fragment structure of plug is filled to car which characterized in that: including first shell fragment and second shell fragment, first shell fragment includes first shell fragment body, first bullet arm and be used for pegging graft to fix participating in that switches on the PCBA board, be provided with interior conductive contact on the first bullet arm, this interior conductive contact keeps in contact and constitutes to switch on with the second shell fragment mutually, the second shell fragment includes second shell fragment body and second bullet arm, be provided with outer conductive contact on the second bullet arm, this outer conductive contact is used for seeing through the car and fills the female seat and mate with the car, second shell fragment body assembly is fixed on first shell fragment body or on the car fills the inner wall of plug housing.

2. The spring structure of the vehicle charging plug according to claim 1, wherein: the base pin is provided with an anti-back-off structure and a guiding insertion structure.

3. The spring structure of the vehicle charging plug according to claim 1, wherein: the pins are U-shaped pins.

4. The spring structure of the vehicle charging plug according to claim 1, wherein: the second elastic sheet is also provided with an auxiliary supporting sheet which is supported on the first elastic sheet body of the first elastic sheet.

5. The spring structure of the vehicle charging plug according to claim 4, wherein: the free end of the auxiliary supporting sheet is provided with an arc bending part, and the bottom surface of the arc bending part is in elastic contact with the first elastic sheet body.

6. The spring structure of the vehicle charging plug according to claim 1, wherein: the elastic piece comprises a first elastic piece and a second elastic piece, wherein a holding structure used for keeping the first elastic piece and the second elastic piece in close contact is arranged between the first elastic piece body and the first elastic piece, one end of the first elastic piece is connected with one end of the first elastic piece at a certain included angle, and the other end of the first elastic piece is connected with the first elastic piece body.

7. The spring structure of the vehicle charging plug according to claim 1, wherein: the second elastic sheet is of a half-wrapped structure and wrapped outside the first elastic sheet, and the inner conductive contact of the first elastic sheet is in contact with the inner wall of the second elastic sheet.

8. The spring structure of the vehicle charging plug according to claim 1, wherein: the first elastic piece body, the first elastic arm, the pin and the inner conductive contact are integrally formed.

9. The spring structure of the vehicle charging plug according to claim 1, wherein: the second elastic piece body, the second elastic arm and the outer conductive contact are integrally formed.