CN217545002U - Composite construction heavy current contact - Google Patents
Composite construction heavy current contact Download PDFInfo
- Publication number
- CN217545002U CN217545002U CN202221253770.3U CN202221253770U CN217545002U CN 217545002 U CN217545002 U CN 217545002U CN 202221253770 U CN202221253770 U CN 202221253770U CN 217545002 U CN217545002 U CN 217545002U
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- contact pin
- jack
- contact
- spring
- composite construction
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Abstract
The utility model relates to a composite construction heavy current contact member, including the jack body and the contact pin body, the center of the jack body sets up a central contact pin towards the insertion end, the outer end of the central contact pin sets up the insulated insertion hole anti-contactor, the insertion cavity of the jack body sets up the insertion hole crown spring and the insertion hole ring spring from the outside to the inside, the insertion head of the said contact pin body sets up the insulated contact pin anti-contactor, the insertion cavity of the contact pin body sets up the contact pin crown spring; the jack crown spring and the jack ring spring are respectively abutted and pressed on the rear part and the front part of the periphery of the plug pin body, and the contact pin crown spring is abutted and pressed on the central contact pin. The high-voltage power transmission device has the advantages of good stability, more guide surfaces, large contact area, small contact resistance, small heat generation and high current-carrying capacity, can be applied to connectors with hundreds of amperes of large current, improves the transmission stability and reduces the power loss on the electric connector.
Description
Technical Field
The utility model relates to a connector field, a composite construction heavy current contact member specifically says so.
Background
The contact element is a core part of the connector, and the performance of the contact element directly influences the quality of the connector and even the equipment of the whole machine. The general high-current electric connector adopts a single crown spring or wire spring structure, has few contact points and large contact resistance, generates high heat in the working process, and is easy to have poor contact and even flash in a high-vibration environment.
Disclosure of Invention
To above-mentioned current problem, the utility model provides a novel composite construction heavy current contact, its stability is good, and the spigot surface is many, and area of contact is big, and contact resistance is little, and it is little to produce the heat, and the current-carrying capacity is high, can be applied to the connector of hundreds of amperes heavy current, improves transmission stability to make the power of loss reduce on the electric connector.
The utility model adopts the technical proposal that: the utility model provides a composite construction heavy current contact spare, includes the jack body and the contact pin body, and the jack body center sets up a central contact pin towards the end of inserting and closing, its characterized in that: the outer end of the central contact pin is provided with an insulated jack anti-contact terminal, the inserting cavity of the jack body is provided with a jack body outer body and a jack ring spring from the outside to the inside, the inserting head of the contact pin body is provided with an insulated contact pin anti-contact terminal, the inserting cavity of the contact pin body is provided with a contact pin body spring groove, and a contact pin crown spring is arranged in the contact pin body spring groove; the jack crown spring and the jack ring spring are respectively pressed against the rear part and the front part of the periphery of the plug needle body, and the contact pin crown spring is pressed against the central contact pin.
The jack anti-contact and the contact pin anti-contact are made of PEI plastic.
The jack anti-contact, the contact pin anti-contact outer end fillets, and the inner ends are fixedly connected with the central contact pin or the contact pin body inserting head through barb inserting.
The jack crown spring and the contact pin crown spring are in interference fit in respective spring grooves.
The jack crown spring and the contact pin crown spring are of a discontinuous circle structure.
The jack body is made of red copper.
The jack crown spring and the contact pin crown spring are made of beryllium bronze.
The jack ring spring comprises a ring spring and a circular framework, and the ring spring is spirally wound on the circular framework and is connected end to end.
After the socket body and the contact pin body are plugged, the socket crown spring and the socket ring spring provide elastic contact for the surface of the contact pin body, the inner inclined surface of the plugging cavity of the socket body is in rigid contact with the inclined surface of the plugging end of the contact pin body, and the central contact pin and the contact pin crown spring are in elastic contact, so that the socket body and the contact pin body are in electric contact. The whole structure has good stability, large contact area, small contact resistance, small heat generation and high current carrying capacity, can be applied to a connector with hundreds of amperes of heavy current, improves the stability of transmission, reduces the power lost on the electric connector, and is convenient and safe to use.
Drawings
FIG. 1 is a schematic view of a jack configuration;
FIG. 2 is a schematic view of a pin structure;
FIG. 3 is a schematic diagram of a central pin structure;
FIG. 4 is a schematic view of a pin crown spring structure;
FIG. 5 is a schematic view of a socket ring spring configuration;
fig. 6 is a schematic structural view of the inserted pin body and the inserted hole body.
In the figure: the pin jack comprises a jack body 1, a central pin 2, a jack crown spring 3, a jack anti-contact 4, a jack ring spring 5, a pin body 6, a pin anti-contact 7, a pin crown spring 8, a ring spring 9 and a circular framework 10.
Detailed Description
The following is further described with reference to the accompanying drawings.
FIGS. 1-6 show: a large-current contact element with a composite structure comprises a jack body 1, a central contact pin 2, a jack crown spring 3, a jack anti-contact 4, a jack ring spring 5, a contact pin body 6, a contact pin anti-contact 7 and a contact pin crown spring 8. A central contact pin 2 is arranged in the center of the jack body 1 towards the plugging end, an insulated jack anti-contact 4 is arranged at the outer end of the central contact pin 2, a jack body plugging inner cavity is provided with a jack body outer spring groove and a jack body inner spring groove from outside to inside, a jack crown spring 3 and a jack ring spring 5 are respectively arranged outside and inside the jack body, a plugging head of the jack body 1 is provided with an insulated pin anti-contact 7, a pin body plugging inner cavity is provided with a pin body spring groove, and a pin crown spring 8 is arranged in the pin body spring groove; the jack crown spring and the jack ring spring are respectively abutted and pressed on the rear part and the front part of the periphery of the plug pin body, and the contact pin crown spring is abutted and pressed on the central contact pin.
As shown in fig. 3, the outer end of the jack contact-preventing contact 4 is rounded, and the inner end is fixedly connected with the head of the central pin 2 through the barb plug-in connection. The jack contact prevention structure is similar.
In the embodiment, the jack crown spring and the pin crown spring are in interference fit in the respective spring grooves; the jack crown spring and the contact pin crown spring are of a discontinuous circle structure. The jack anti-contact and the contact pin anti-contact are made of PEI plastic.
As shown in fig. 5, the socket ring spring 5 includes a ring spring 9 and a circular frame 10, and the ring spring is spirally wound on the circular frame to be connected end to end.
In this embodiment, the socket body is made of red copper, and the pin crown spring is made of beryllium bronze.
Claims (8)
1. The utility model provides a composite construction heavy current contact spare, includes the jack body and the contact pin body, and the jack body center sets up a central contact pin towards the end of inserting and closing, its characterized in that: the outer end of the central contact pin is provided with an insulated jack anti-contact terminal, the inserting cavity of the jack body is provided with a jack body outer body and a jack ring spring from the outside to the inside, the inserting head of the contact pin body is provided with an insulated contact pin anti-contact terminal, the inserting cavity of the contact pin body is provided with a contact pin body spring groove, and a contact pin crown spring is arranged in the contact pin body spring groove; the jack crown spring and the jack ring spring are respectively pressed against the rear part and the front part of the periphery of the plug needle body, and the contact pin crown spring is pressed against the central contact pin.
2. A composite construction high current contact according to claim 1, wherein: the jack contact-preventing contacts and the contact pin contact-preventing contacts are made of PEI plastics.
3. A composite construction high current contact according to claim 1 or 2, wherein: the jack anti-contact, the contact pin anti-contact outer end fillets, and the inner ends are fixedly connected with the central contact pin or the contact pin body inserting head through barb inserting.
4. A composite construction high current contact according to claim 1, wherein: the jack crown spring and the contact pin crown spring are in interference fit in respective spring grooves.
5. A composite construction high current contact according to claim 1 or 4, wherein: the jack crown spring and the contact pin crown spring are of a discontinuous circle structure.
6. A composite construction high current contact according to claim 1, wherein: the jack body is made of red copper.
7. A composite construction high current contact according to claim 1 or 4, wherein: the jack crown spring and the contact pin crown spring are made of beryllium bronze.
8. A composite construction high current contact according to claim 1, wherein: the jack ring spring comprises a ring spring and a circular framework, and the ring spring is spirally wound on the circular framework and is connected end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253770.3U CN217545002U (en) | 2022-05-24 | 2022-05-24 | Composite construction heavy current contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253770.3U CN217545002U (en) | 2022-05-24 | 2022-05-24 | Composite construction heavy current contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217545002U true CN217545002U (en) | 2022-10-04 |
Family
ID=83441829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221253770.3U Active CN217545002U (en) | 2022-05-24 | 2022-05-24 | Composite construction heavy current contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217545002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799539A (en) * | 2023-08-16 | 2023-09-22 | 深圳欧晟科连接技术有限公司 | Crown spring capable of reducing insertion force of docking plug |
-
2022
- 2022-05-24 CN CN202221253770.3U patent/CN217545002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799539A (en) * | 2023-08-16 | 2023-09-22 | 深圳欧晟科连接技术有限公司 | Crown spring capable of reducing insertion force of docking plug |
| CN116799539B (en) * | 2023-08-16 | 2023-10-27 | 深圳欧晟科连接技术有限公司 | Crown spring capable of reducing insertion force of docking plug |
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