CN202352872U - Three-core circular electric connector of power supply - Google Patents
Three-core circular electric connector of power supply Download PDFInfo
- Publication number
- CN202352872U CN202352872U CN 201120506159 CN201120506159U CN202352872U CN 202352872 U CN202352872 U CN 202352872U CN 201120506159 CN201120506159 CN 201120506159 CN 201120506159 U CN201120506159 U CN 201120506159U CN 202352872 U CN202352872 U CN 202352872U
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- China
- Prior art keywords
- contact pin
- power supply
- plug pin
- metal shell
- positive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a three-core circular electric connector of a power supply, which comprises a plug pin contact component and a shell component, wherein the plug pin contact component comprises a grounding plug pin, an anode-cathode plug pin, insulators, a clamping ring and a wire sealing body; the shell component comprises clamping nails, a sealing gasket, a metal shell and a square pad; the grounding plug pin and the anode-cathode plug pin are fixedly arranged in the insulators and the wire sealing body; the clamping ring is fixedly arranged on the metal shell; the clamping nails are riveted on the metal shell; the sealing gasket is arranged on a plugging surface of the metal shell; and the square pad is arranged at the connecting part of the other end of the connector and equipment. The three-core circular electric connector of the power supply is characterized in that the grounding plug pin is longer than a plugging end of the anode-cathode plug pin. The three-core circular electric connector of the power supply is simple in structure, is safer and more reliable for use, and has excellent dustproof performance, waterproof performance, lightningproof performance and salt mist proof performance.
Description
Technical field
The utility model relates to the connector technique field, is specifically related to a kind of 3 core power supply round electric connectors.
Background technology
At present, 3 contact pin contacting pieces of employed outdoor 3 core power supply round electric connectors are identical with jack contact mating side length on the market.Under the premise that security is guaranteed, on equipment, carry out ground protection usually.This kind 3 core connectors exist very big inconvenience in use.
In order to solve above-mentioned deficiency of the prior art, the utility model provides a kind of new solution.
The utility model content
The utility model technical problem to be solved is: a kind of 3 core power supply round electric connectors are provided, and this 3 core power supply round electric connector is simple in structure, uses saferly, more reliable, has excellent dustproof, waterproof, lightning protection and anti-salt fog function.
For reaching the foregoing invention purpose, the technical scheme that the utility model adopted is: a kind of 3 core power supply round electric connectors are provided, have comprised contact pin contacting piece assembly and housing unit; Said contact pin contacting piece assembly comprises ground connection contact pin, both positive and negative polarity contact pin, insulator, snap ring, grommet; Said housing unit comprises bail, sealing gasket, metal shell and square liner.
Said ground connection contact pin and both positive and negative polarity contact pin are fixed in insulator and the grommet; Said snap ring is fixed on the metal shell; Said bail is riveted on the metal shell; The said metal shell face of plugging together is provided with sealing gasket, the connector other end and the side of being provided with, equipment junction liner; It is characterized in that: said ground connection contact pin is longer than both positive and negative polarity contact pin mating side.
Preferably, said insulator internal fixation is provided with 3 contacts; Wherein 1 is the ground connection contact pin, and 2 is the both positive and negative polarity contact pin.
Preferably, said bail is provided with 3.
In sum, the 3 core power supply cylindrical connectors that provide of the utility model have the following advantages:
1, this 3 core power supply round electric connector uses safer, more reliable;
2, this 3 core power supply round electric connector has excellent dustproof, waterproof, lightning protection and anti-salt fog function;
3, this 3 core power supply round electric connector can exchange with the product of the 12 extra shells that meet MIL-C-26482.
Description of drawings
Fig. 1 is the structural representation of 3 core power supply round electric connectors;
Fig. 2 is a contact pin contacting piece modular construction sketch map;
Fig. 3 is the housing unit structural representation;
Fig. 4 is ground connection contact pin, both positive and negative polarity contact pin structural representation;
Wherein, 1, contact pin contacting piece assembly; 101, ground connection contact pin; 102, both positive and negative polarity contact pin; 103, insulator; 104, snap ring; 105, grommet; 2, housing unit; 201, bail; 202, sealing gasket; 203, metal shell; 204, square liner.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done detailed explanation.
-as shown in the figure, this 3 core power supply round electric connector comprises contact pin contacting piece assembly 1 and housing unit 2; Said contact pin contacting piece assembly 1 comprises ground connection contact pin 101, both positive and negative polarity contact pin 102, insulator 103, snap ring 104, grommet 105; Said housing unit 2 comprises bail 201, sealing gasket 202, metal shell 203 and square liner 204.
Said ground connection contact pin 101 is fixed in insulator 103 and the grommet 105 with both positive and negative polarity contact pin 102; Said snap ring 104 is fixed on the metal shell 203; Said bail 201 is riveted on metal 203 housings; Said metal shell 203 faces of plugging together are provided with sealing gasket 202, the connector other end and the side of being provided with, equipment junction liner 204; It is characterized in that: said ground connection contact pin 101 is longer than both positive and negative polarity contact pin 102 mating sides.
Said insulator 103 internal fixation are provided with 3 contacts; Wherein 1 is ground connection contact pin 101; 2 is both positive and negative polarity contact pin 102.Said bail 201 is provided with 3.
Ground connection contact pin 101, both positive and negative polarity contact pin 102 are connected with ground, the positive and negative electrode of equipment respectively; Ground connection contact pin 101 is longer than both positive and negative polarity contact pin 102, makes the contact of ground connection contact pin prior to the both positive and negative polarity contact pin, the fail safe that has improved equipment.
Ground connection contact pin 101, both positive and negative polarity contact pin 102 utilize snap ring 104 and metal shell 203 to match after being individually fixed in insulator 103 and grommet 105; Realize reliably plugging together fast having riveted 3 bails 201 with other end connector for convenient.
In sum, the utility model 3 core power supply round electric connectors use more reliable, safer have excellent dustproof, waterproof, lightning protection and anti-salt fog function.
Though describe in detail in conjunction with the embodiment of accompanying drawing, should not be construed as qualification to the protection range of this patent to the utility model.In the described scope of claims, various modifications that those skilled in the art can make without creative work and distortion still belong to the protection range of this patent.
Claims (3)
1. a core power supply round electric connector comprises contact pin contacting piece assembly (1) and housing unit (2); Said contact pin contacting piece assembly (1) comprises ground connection contact pin (101), both positive and negative polarity contact pin (102), insulator (103), snap ring (104), grommet (105);
Said housing unit (2) comprises bail (201), sealing gasket (202), metal shell (203) and square liner (204);
Said ground connection contact pin (101) and both positive and negative polarity contact pin (102) are fixed in insulator (103) and the grommet (105); Said snap ring (104) is fixed on the metal shell (203); Said bail (201) is riveted on metal (203) housing; Said metal shell (203) face of plugging together is provided with sealing gasket (202), the connector other end and the side of being provided with, equipment junction liner (204); It is characterized in that: said ground connection contact pin (101) is longer than both positive and negative polarity contact pin (102) mating side.
2. according to the said 3 core power supply round electric connectors of claim 1, it is characterized in that: insulator (103) internal fixation is provided with 3 contacts; Wherein 1 is ground connection contact pin (101); 2 is both positive and negative polarity contact pin (102).
3. according to the said 3 core power supply round electric connectors of claim 1, it is characterized in that: said bail (201) is provided with 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120506159 CN202352872U (en) | 2011-12-08 | 2011-12-08 | Three-core circular electric connector of power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120506159 CN202352872U (en) | 2011-12-08 | 2011-12-08 | Three-core circular electric connector of power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352872U true CN202352872U (en) | 2012-07-25 |
Family
ID=46541842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120506159 Expired - Fee Related CN202352872U (en) | 2011-12-08 | 2011-12-08 | Three-core circular electric connector of power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352872U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410546A (en) * | 2016-11-29 | 2017-02-15 | 中国电子科技集团公司第四十研究所 | High and low frequency mixed-installed filtering electric connector |
| CN106450972A (en) * | 2016-11-29 | 2017-02-22 | 中国电子科技集团公司第四十研究所 | Filtering electric connector |
| CN113437569A (en) * | 2020-03-20 | 2021-09-24 | 哈廷电子有限公司及两合公司 | Connector and connector assembly comprising same |
| CN113839241A (en) * | 2021-11-01 | 2021-12-24 | 浙江星月实业有限公司 | DC plug |
-
2011
- 2011-12-08 CN CN 201120506159 patent/CN202352872U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410546A (en) * | 2016-11-29 | 2017-02-15 | 中国电子科技集团公司第四十研究所 | High and low frequency mixed-installed filtering electric connector |
| CN106450972A (en) * | 2016-11-29 | 2017-02-22 | 中国电子科技集团公司第四十研究所 | Filtering electric connector |
| CN113437569A (en) * | 2020-03-20 | 2021-09-24 | 哈廷电子有限公司及两合公司 | Connector and connector assembly comprising same |
| CN113437569B (en) * | 2020-03-20 | 2023-07-14 | 哈廷电子有限公司及两合公司 | Connector and connector assembly comprising same |
| CN113839241A (en) * | 2021-11-01 | 2021-12-24 | 浙江星月实业有限公司 | DC plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20201208 |