CN220731838U - New energy automobile charging socket punching press terminal structure - Google Patents
New energy automobile charging socket punching press terminal structure Download PDFInfo
- Publication number
- CN220731838U CN220731838U CN202322398260.6U CN202322398260U CN220731838U CN 220731838 U CN220731838 U CN 220731838U CN 202322398260 U CN202322398260 U CN 202322398260U CN 220731838 U CN220731838 U CN 220731838U
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- Prior art keywords
- terminal
- new energy
- energy automobile
- pcb
- socket
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- 238000004080 punching Methods 0.000 title claims description 6
- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 10
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 9
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model relates to the technical field of new energy power supply, in particular to a stamping terminal structure of a charging socket of a new energy automobile, which comprises a terminal, a PCB terminal board and a socket shell, wherein a terminal fixing cavity for assembling the terminal is reserved on the socket shell; the terminal comprises a terminal insertion section for connecting a plug and a terminal power connection section for contacting a PCB terminal board, and the terminal front section is matched with the terminal fixing cavity; the PCB terminal board is connected with the terminal electric connection section in a detachable mode and is connected with the socket shell. In the process of contacting the terminal power connection section with the PCB terminal board, through generating elastic deformation, positive pressure exists on the contact surface, so that the terminal is stably contacted with the connecting point on the PCB terminal board, and signal transmission is realized.
Description
Technical Field
The utility model relates to the technical field of new energy power supply, in particular to a stamping terminal structure of a charging socket of a new energy automobile.
Background
The new energy automobile charging socket is a device for connecting a new energy automobile charging pile and is used for completing the power transmission and communication functions between the charging pile and the new energy automobile. According to different charging modes and charging protocols of the connected countries or regions, the charging sockets of the new energy automobiles are generally divided into two types: a direct current charging socket and an alternating current charging socket.
The AC charging seat can use the CC and CP signal terminals, playing the role of connection confirmation and control guidance in the process of inserting the electric gun into the charging seat, the existing terminal is to machine out the terminal base body by a copper bar, then the reed is arranged on the base body, in addition, when the terminal is fixed with the socket shell, a plastic piece is needed to press the terminal to ensure that the terminal does not retreat, and the terminal tail pressing cable transmits signals by the cable, so that the whole socket is relatively complex in assembly and relatively low in assembly efficiency.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a stamping terminal structure of a charging socket of a new energy automobile to solve the problem of complex assembling work of the terminal of the charging socket.
The technical scheme for solving the technical problems is as follows: the utility model provides a new energy automobile charging socket punching press terminal structure, includes terminal, PCB terminal board and socket casing, reserve the terminal fixed chamber that is used for assembling the terminal on the socket casing;
the terminal comprises a terminal insertion section for connecting a plug and a terminal power connection section for contacting a PCB terminal board, and the terminal front section is matched with the terminal fixing cavity;
the PCB terminal board is connected with the terminal electricity connection section in a positive-to-terminal mode and is detachably connected with the socket shell; when the PCB terminal board contacts the terminal power connection section, the contact surface generates positive pressure to establish signal connection.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, a guide block is arranged at the front end of the terminal insertion section; and a guide groove matched with the guide block is formed in the terminal fixing cavity of the socket shell along the terminal insertion direction.
Further, the outer wall of the terminal insertion section is provided with a claw which is inclined outwards along the terminal insertion direction; the terminal fixing cavity of the socket shell is internally provided with a fixing step matched with the claw along the terminal inserting direction.
Further, a sealing ring for sealing the terminal fixing cavity is formed outside the terminal inserting section in an injection molding mode.
Further, a plurality of caulking grooves which are uniformly distributed in a surrounding manner are formed in the outer wall of the terminal insertion section; and conductive sheets bent inwards are formed in each caulking groove.
Further, the terminal power connection section comprises a plurality of elastic pieces which are uniformly distributed in a surrounding mode, and deformable gaps are reserved between the adjacent elastic pieces.
Further, a curved arc-shaped joint surface is formed at the contact position of the elastic sheet and the PCB terminal board; the middle part of the elastic sheet is outwards arched.
Further, the terminal is of an integral stamping forming structure.
Compared with the prior art, the stamping terminal structure of the charging socket of the new energy automobile has at least the following beneficial effects:
1) In the process of contacting the terminal power connection section with the PCB terminal board, through generating elastic deformation, positive pressure exists on the contact surface, so that the terminal is stably contacted with the connecting point on the PCB terminal board, and signal transmission is realized.
2) The terminal is not required to be pressed with a cable, and a terminal fixing piece is not required to be added for fixing, so that the assembling procedure of the terminal and the socket is greatly simplified.
3) The terminal is realized by adopting a stamping process, the production efficiency is high, the cost can be greatly reduced, and the effects of rapid assembly and reduction of manufacturing and assembly cost can be achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of a terminal according to the present utility model;
fig. 3 is a schematic partial structure of the socket housing of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. terminal, 11, sealing washer, 12, guide block, 13, jack catch, 14, shell fragment, 15, conducting strip, 2, PCB terminal plate, 3, socket casing, 31, guide slot, 32, fixed step, 33, terminal fixed chamber.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, unless otherwise specifically indicated and defined. The specific meaning of such terms in this patent will be understood by those of ordinary skill in the art as the case may be.
The alternating current charging socket defined in the GB/T20234.2-2015 standard is a slow charging socket structure commonly used on domestic passenger cars at present. The product has two signal terminals of CC and CP, and plays roles of connection confirmation, control and guidance in the process of inserting the electric gun into the charging seat. The prior design scheme of the two signal terminals is a reed structure, and the terminal base body needs to be machined and produced and then assembled with the reed. The socket is sealed generally through installing O type circle on the terminal, and such design scheme makes terminal manufacturing process complicated, and sealed effect is not ideal, and terminal and socket need design individual working of plastics to fix, and the equipment is inconvenient, and terminal and socket manufacturing cost are all higher.
In order to solve the problem, the utility model designs a stamping terminal structure of a charging socket of a new energy automobile, a signal terminal of the stamping structure is developed, and then a rubber sealing ring is injection molded on the terminal through a die, so that the terminal is fixed and sealed at one time, and the manufacturing and mounting cost of the terminal is greatly reduced.
As shown in fig. 1, 2 and 3, the stamped terminal structure of the charging socket for the new energy automobile of the present utility model comprises a terminal 1, a PCB terminal board 2 and a socket housing 3, wherein a terminal fixing cavity 33 for assembling the terminal 1 is reserved on the socket housing 3;
the terminal 1 comprises a terminal insertion section for connecting a plug and a terminal power receiving section for contacting the PCB terminal plate 2, the terminal front section being adapted to the terminal fixing cavity 33;
the PCB terminal board 2 is opposite to the terminal power connection section and is detachably connected with the socket shell 3; when the PCB terminal plate 2 contacts the terminal power receiving section, and the contact surface generates positive pressure to establish signal connection.
During the assembly process, only the terminal 1 is correspondingly inserted into the terminal fixing cavity 33, and in the process of contacting the terminal power connection section with the PCB terminal board 2, a positive pressure exists on the contact surface by generating elastic deformation, so that the terminal 1 is in stable contact with the connection point on the PCB terminal board 2, and signal transmission is realized. The terminal is not required to be pressed with a cable, and a terminal fixing piece is not required to be added for fixing, so that the assembling procedure of the terminal and the socket is greatly simplified.
As one embodiment, the front end of the terminal insertion section is provided with a guide block 12; the terminal fixing cavity 33 of the socket housing 3 is provided with a guide groove 31 matched with the guide block 12 along the insertion direction of the terminal 1, and the guide block 12 is matched with the guide groove 31 to realize accurate insertion of the terminal 1.
As an embodiment, the outer wall of the terminal insertion section is provided with a claw 13 inclined outwardly in the insertion direction of the terminal 1; the terminal fixing cavity 33 of the socket housing 3 is further provided with a fixing step 32 matched with the claw 13 along the insertion direction of the terminal 1, and after the terminal 1 is inserted into the terminal fixing cavity 33, the claw 13 and the fixing step 32 are clamped tightly, so that the whole terminal 1 can be locked.
As an embodiment, the sealing ring 11 for sealing the terminal fixing cavity 33 is formed outside the terminal inserting section by injection molding, and after the terminal 1 is formed, the sealing ring 11 is formed outside the terminal 1 by injection molding through a die without separate assembly of the sealing ring.
As one implementation mode, a plurality of caulking grooves which are uniformly distributed in a surrounding manner are formed in the outer wall of the terminal insertion section; and the inwards bent conductive sheets 15 are formed in the caulking grooves, and after the electric plug is inserted, the conductive sheets 15 are elastically deformed to stably contact the plug, so that stable power supply is ensured.
As an embodiment, the terminal power receiving section includes a plurality of elastic pieces 14 uniformly distributed around, and deformable gaps are reserved between adjacent elastic pieces 14; screw holes are reserved in the PCB terminal board 2, the PCB terminal board 2 can be fixed to the socket shell 3 through screws, and when the PCB terminal board 2 is fixed, the elastic sheet 14 can be pressed tightly, so that stable connection of a signal circuit is ensured.
Specifically, the contact position of the elastic sheet 14 and the PCB terminal plate 2 forms a curved arc-shaped contact surface, so as to meet the requirement that the elastic sheet 14 can stably contact the PCB terminal plate 2 when deformed; the middle part of the elastic sheet 14 is outwards arched, so that the structural strength is improved while the elastic sheet 14 can deform.
As an embodiment, the terminal 1 is of an integral press-formed structure, which improves the production efficiency, reduces the cost and has better conductivity.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a new energy automobile charging socket punching press terminal structure which characterized in that includes terminal (1), PCB terminal board (2) and socket casing (3), reserve terminal fixed chamber (33) that are used for assembling terminal (1) on socket casing (3);
the terminal (1) comprises a terminal insertion section for connecting a plug and a terminal power connection section for contacting a PCB terminal board (2), and the terminal front section is matched with a terminal fixing cavity (33);
the PCB terminal board (2) is opposite to the terminal power connection section and is detachably connected with the socket shell (3); after the PCB terminal board (2) contacts the terminal power connection section, positive pressure is generated on the contact surface to establish signal connection.
2. The charging socket punching terminal structure for the new energy automobile according to claim 1, wherein a guide block (12) is provided at the front end of the terminal insertion section; a guide groove (31) matched with the guide block (12) is formed in the terminal fixing cavity (33) of the socket shell (3) along the insertion direction of the terminal (1).
3. The charging socket punching terminal structure for the new energy automobile according to claim 1, wherein the outer wall of the terminal insertion section is provided with a claw (13) inclined outwards along the insertion direction of the terminal (1); a fixing step (32) matched with the claw (13) is further arranged in the terminal fixing cavity (33) of the socket shell (3) along the inserting direction of the terminal (1).
4. The structure of the stamped terminal of the charging socket of the new energy automobile according to claim 1, wherein a sealing ring (11) for sealing off a terminal fixing cavity (33) is injection-molded outside the terminal insertion section.
5. The structure of the stamped terminal of the charging socket of the new energy automobile according to claim 1, wherein a plurality of evenly distributed caulking grooves are formed in the outer wall of the terminal insertion section; and conductive sheets (15) bent inwards are formed in each caulking groove.
6. The stamped terminal structure of the charging socket of the new energy automobile according to claim 1, wherein the terminal power receiving section comprises a plurality of shrapnel (14) which are uniformly distributed in a surrounding manner, and deformable gaps are reserved between the adjacent shrapnels (14).
7. The charging socket stamping terminal structure of the new energy automobile according to claim 6, wherein the contact position of the elastic sheet (14) and the PCB terminal plate (2) forms a curved arc-shaped joint surface; the middle part of the elastic sheet (14) is outwards arched.
8. The charging socket stamped terminal structure of a new energy automobile according to any one of claims 1-7, characterized in that the terminal (1) is of an integrally stamped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398260.6U CN220731838U (en) | 2023-09-05 | 2023-09-05 | New energy automobile charging socket punching press terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398260.6U CN220731838U (en) | 2023-09-05 | 2023-09-05 | New energy automobile charging socket punching press terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731838U true CN220731838U (en) | 2024-04-05 |
Family
ID=90495342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322398260.6U Active CN220731838U (en) | 2023-09-05 | 2023-09-05 | New energy automobile charging socket punching press terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731838U (en) |
-
2023
- 2023-09-05 CN CN202322398260.6U patent/CN220731838U/en active Active
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