CN110176680B - Contact and connector using same - Google Patents
Contact and connector using same Download PDFInfo
- Publication number
- CN110176680B CN110176680B CN201810548186.2A CN201810548186A CN110176680B CN 110176680 B CN110176680 B CN 110176680B CN 201810548186 A CN201810548186 A CN 201810548186A CN 110176680 B CN110176680 B CN 110176680B
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- CN
- China
- Prior art keywords
- positioning
- claw
- contact
- sleeve
- positioning table
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
Abstract
The present invention relates to a contact and a connector using the same. The connector includes the casing, be equipped with the through hole on the casing, wear to be equipped with positioning pawl and contact in the through hole, its characterized in that: the contact comprises a body, the body comprises a positioning table, a positioning sleeve is fixedly connected to the positioning table, the positioning table is provided with an insulator matching end matched with the insulator and a positioning claw matching end matched with the positioning claw, and the inner wall surface of the positioning sleeve and the positioning claw matching end of the body on the positioning table form a positioning groove for inserting the positioning claw. According to the contact piece, the positioning sleeve is additionally arranged on the positioning table, the positioning groove for inserting the positioning claw is formed in the matching end of the positioning claw of the positioning table by the inner wall surface of the positioning sleeve and the body, and the positioning claw is limited by the inner wall surface of the positioning sleeve facing the positioning claw, so that the positioning claw is difficult to separate from the two sides of the positioning table, and the fixing reliability of the contact piece in the connector is improved.
Description
Technical Field
The present invention relates to a contact and a connector using the same.
Background
The connector is a key node in electrical and transmission communication equipment and is an important component for ensuring stable connection and transmission of electrical signals and electric energy. The contact is an important component of the connector, and is classified into a pin contact and a socket contact. When considering a low-cost scheme, the contact is usually processed by stamping. The existing stamping contact element is a contact pin contact element as shown in fig. 1, the contact pin contact element comprises an insertion end 1, one end of the insertion end 1 is connected with a positioning table 2, and the positioning table 2 and one end, which is pressed and positioned by a positioning claw, are of an arc surface structure under the influence of a stamping process. When the contact element is assembled with the connector shell, the contact element penetrates into the connector shell, the positioning elastic sheet is extruded when the positioning table 2 touches the positioning elastic sheet of the positioning claw, so that the positioning elastic sheet is deformed, and after the positioning table 2 crosses the positioning elastic sheet, the positioning elastic sheet is restored to the original state and is pressed against the end face of the positioning table. Because the end face of the positioning table 2 is an arc face, the contact element is easy to be separated from the positioning claw when being matched and fixed with the positioning claw in the insulating shell of the connector, and the needle of the connector is withdrawn, so that the connector cannot be normally used.
In another existing stamping contact element, as shown in fig. 2, the contact element is a jack contact element, the jack contact element includes an insertion end 3, the insertion end 3 is connected with a positioning table 4, and is also affected by a stamping process, and the positioning table 4 and one end of the positioning claw, which is pressed and positioned, are of an arc-shaped structure. The contact piece is also easy to be separated from the positioning claw, so that the needle of the connector is withdrawn, and the connector cannot be normally used.
Disclosure of Invention
The invention aims to provide a connector, which solves the problems that a contact piece is not firmly fixed in a connector shell and is easy to withdraw; it is also an object of the present invention to provide a contact mounted in the above connector.
In order to achieve the purpose, the contact element comprises a body, wherein the body comprises a positioning table, a positioning sleeve is fixedly connected to the positioning table, the positioning table is provided with an insulator matching end used for being matched with an insulator and a positioning claw matching end used for being matched with a positioning claw, and a positioning groove used for being inserted by the positioning claw is formed between the inner wall surface of the positioning sleeve and the positioning claw matching end of the body on the positioning table.
The positioning table in the existing stamping contact element is an arc-shaped table, and when the positioning claw is positioned on the arc-shaped positioning table in a jacking and pressing mode, the positioning claw is easy to separate from two sides of the arc-shaped positioning table due to frequent plugging and unplugging actions of the contact element. According to the contact piece, the positioning sleeve is additionally arranged on the positioning table, the positioning groove for inserting the positioning claw is formed in the matching end of the positioning claw of the positioning table by the inner wall surface of the positioning sleeve and the body, and the positioning claw is limited by the inner wall surface of the positioning sleeve facing the positioning claw, so that the positioning claw is difficult to separate from the two sides of the positioning table, and the fixing reliability of the contact piece in the connector is improved.
Furthermore, the positioning claw of the positioning table is provided with an arc surface at the matching end, and the positioning groove is positioned between the arc surface of the positioning table and the positioning sleeve.
Furthermore, the locating sleeve is embedded on the locating table.
Further, the contact element is a pin contact element or a jack contact element.
In order to achieve the above object, the connector of the present invention includes a housing, the housing is provided with a through hole, and a positioning pawl and a contact element are mounted in the through hole, and the connector is characterized in that: the contact comprises a body, the body comprises a positioning table, a positioning sleeve is fixedly connected to the positioning table, the positioning table is provided with an insulator matching end matched with the insulator and a positioning claw matching end matched with the positioning claw, and the inner wall surface of the positioning sleeve and the positioning claw matching end of the body on the positioning table form a positioning groove for inserting the positioning claw.
The positioning table in the existing stamping contact element is an arc-shaped table, and when the positioning claw is positioned on the arc-shaped positioning table in a jacking and pressing mode, the positioning claw is easy to separate from two sides of the arc-shaped positioning table due to frequent plugging and unplugging actions of the contact element. According to the contact piece, the positioning sleeve is additionally arranged on the positioning table, the positioning groove for inserting the positioning claw is formed in the matching end of the positioning claw of the positioning table by the inner wall surface of the positioning sleeve and the body, and the positioning claw is limited by the inner wall surface of the positioning sleeve facing the positioning claw, so that the positioning claw is difficult to separate from the two sides of the positioning table, and the fixing reliability of the contact piece in the connector is improved.
Furthermore, the positioning claw of the positioning table is provided with an arc surface at the matching end, and the positioning groove is positioned between the arc surface of the positioning table and the positioning sleeve.
Furthermore, the locating sleeve is embedded on the locating table.
Further, the contact element is a pin contact element or a jack contact element.
Drawings
FIG. 1 is a schematic diagram of a contact in the prior art;
FIG. 2 is a schematic view of another contact of the prior art;
FIG. 3 is a front view of a pin contact in a first embodiment of the connector of the present invention;
fig. 4 is a top view of the pin contact of fig. 3;
FIG. 5 is a schematic diagram of a receptacle contact according to a first embodiment of the connector of the present invention;
fig. 6 is a cross-sectional view of the pin contact of fig. 5;
FIG. 7 is a three-dimensional view of a first component in a first embodiment of the connector of the present invention;
FIG. 8 is an enlarged view taken at A in FIG. 7;
FIG. 9 is a top view of a first component of the first connector embodiment of FIG. 7;
FIG. 10 is an enlarged view at B of FIG. 9;
FIG. 11 is a schematic view of a second component of the first embodiment of the connector of the present invention;
fig. 12 is an enlarged view at C in fig. 11;
in the drawings: 1. a plug end; 2. a positioning table; 3. a plug end; 4. a positioning table; 5. a positioning sleeve; 6. a wire pressing end; 7. a positioning sleeve; 8. a wire pressing end; 9. a positioning claw; 10. an insulating housing; 11. an insulating housing; 12. and a positioning claw.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The first embodiment of the connector of the present invention, as shown in fig. 3 to 12, includes a first component and a second component, the first component is a pin connector, and the second component is a two-position socket connector. One end of the contact pin contact element in the first component is connected with the lead, one end of the jack contact element in the second component is connected with the lead, and the first component and the second component are inserted and combined to realize the conduction of the leads respectively connected with the first component and the second component.
As shown in fig. 7 to 10, the first component in this embodiment includes an insulating housing 10 and a positioning claw 9, a plurality of through holes penetrating through the insulating housing 10 are provided in the insulating housing 10, the positioning claw 9 includes a cylinder, and a positioning elastic piece is provided on the inner wall of the cylinder, one end of the positioning elastic piece is fixed on the inner wall of the cylinder, and the other end of the positioning elastic piece freely slants toward the axis of the cylinder. During assembly, the positioning claws 9 are embedded in the through holes of the insulating shell 10. There is the contact pin contact through insulating part fixed mounting in insulating casing 10's the through-hole, the contact pin contact in this embodiment adopts stamping process to make, the one end of contact pin contact is grafting end 1, grafting end 1 is connected with location platform 2, location platform 2 is the cylinder platform, location platform 2 is the cambered surface with the fixed one end of 9 roofs of locating pawl, location platform 2 deviates from and is connected with the line ball end 6 that is used for compressing tightly and is connected the cable with the contact pin with the one end that grafting end 1 is connected, line ball end 6 includes the U-shaped groove, the flexible cable that compresses tightly of buckling behind the both sides groove arm atress in U-shaped groove. One end of the U-shaped groove close to the contact pin extends along the groove bottom direction to form a connecting lug which is of a tubular structure, the pipe diameter of the tubular connecting lug is smaller than the diameter of the positioning table 2, so that a positioning step is formed between the line pressing end 6 and the positioning table 2, and when the contact pin contact element is assembled with the insulating shell 10, the positioning claw 9 in the insulating shell 10 acts on the positioning table 2 to press the contact pin contact element in the insulating shell 10. When the connector in this embodiment is used, the first component needs to be frequently pulled out and inserted, and because the one end of the positioning table 2, which is positioned by the top pressure of the positioning claw 9, is an arc surface, the first component is pulled out and inserted, and when the positioning claw 9 is subjected to large force, the first component possibly moves towards the two sides of the positioning table 2, so that the first component is withdrawn. In order to enhance the fixing strength of the contact pin contact piece in the first component, a cylindrical positioning sleeve 5 is embedded on the outer peripheral surface of a positioning table 2 in the first component in the embodiment, the positioning sleeve and the positioning table are stamped by a die in a specific embedding mode, and the positioning sleeve and the positioning table are positioned through stamped concave points. Of course, in other embodiments, the positioning sleeve may be fixed by other fixing methods such as adhesion. One end of the cylindrical positioning sleeve 5 extends to the outer side of the positioning end of the positioning table 2 and the positioning claw 9, the inner wall surface of the cylindrical positioning sleeve 5 and one side of the contact pin contact piece and the positioning claw 9 which are positioned in a jacking mode form a positioning groove for inserting the positioning claw, when the contact pin contact piece is assembled with the insulating shell 10, the positioning claw 9 can enter the positioning groove, and the inner wall of the positioning sleeve 9 plays a limiting role in the face of the positioning claw 9.
When the contact pin contact piece is assembled with the insulating shell 10, insert the locating claw 9 in the through-hole of the insulating shell 10 earlier, then penetrate the contact pin contact piece in the locating claw 9, when the locating sleeve 5 touches the location shell fragment of the locating claw 9, can extrude the location shell fragment, make location shell fragment elastic deformation, after the locating sleeve 5 crossed the location shell fragment, the location shell fragment reconversion and with 2 roof pressures of location platform, the inner wall of locating sleeve 5 is spacing to the location shell fragment, prevented that the location shell fragment breaks away from the location platform 2.
As shown in fig. 11 and 12, the second component in this embodiment includes an insulating housing 11 and a positioning claw 12, a plurality of through holes penetrating through the insulating housing 11 are provided in the insulating housing 11, the positioning claw 12 includes a cylinder, and a positioning elastic sheet is provided on the inner wall of the cylinder, one end of the positioning elastic sheet is fixed on the inner wall of the cylinder, and the other end of the positioning elastic sheet freely slants toward the axis of the cylinder. When assembling, the positioning claws 12 are embedded in the through holes of the insulating housing 11. There is the jack contact through insulating part fixed mounting in insulating casing 11's the through-hole, the jack contact in this embodiment adopts stamping process to make, the one end of jack contact is grafting end 3, grafting end 3 is connected with location platform 4, location platform 4 is the cylinder platform, location platform 4 is the cambered surface at 3 extending direction's of grafting end both ends face, location platform 4 deviates from the one end of grafting end 3 and is connected with the line ball end 8 that is used for compressing tightly with the jack connection cable, line ball end 8 includes the U-shaped groove, the flexible cable that compresses tightly of buckling behind the both sides groove arm atress in U-shaped groove. One end of the U-shaped groove close to the jack extends along the direction of the bottom of the groove to form a connecting lug which is of a tubular structure, the pipe diameter of the tubular connecting lug is smaller than the diameter of the end face of the positioning table 4, so that a positioning step is formed between the line pressing end 8 and the positioning table 4, and when the jack contact element is assembled with the insulating shell 11, the positioning claw 12 in the insulating shell 11 acts on the positioning table to press the jack contact element in the insulating shell 11. When the connector in this embodiment is used, the second component needs to be frequently plugged and unplugged, and because the end face of the second component, which is positioned by being pressed against the positioning claw 12 on the positioning table 4, is an arc face, when the second component is plugged and unplugged, the positioning claw 12 is likely to move towards two sides of the positioning table 4 when being subjected to a large force, so that the needle withdrawing phenomenon of the second component is caused. In order to enhance the fixing strength of the jack in the insulating housing 11 of the second assembly, the cylindrical positioning sleeve 7 is embedded on the outer peripheral surface of the positioning table 4 in the second assembly in the present embodiment, and of course, in other embodiments, other fixing methods such as adhesion and the like can be adopted for the positioning sleeve 7. One end of the cylindrical positioning sleeve 7 extends to the outer side of the positioning end of the positioning table 4 and the positioning end of the positioning claw 12, the inner wall surface of the cylindrical positioning sleeve 4 and one side of the jack contact piece and the positioning claw 12 which are positioned in a jacking mode form a positioning groove for inserting the positioning claw 12, when the jack contact piece is assembled with the insulating shell 11, the positioning claw 12 can enter the positioning groove, and the inner wall of the positioning sleeve 7 plays a limiting role in the face of the positioning claw 12.
When jack contact and insulating housing 11 assemble, insert locating pawl 12 in insulating housing 11's through-hole earlier, then penetrate the jack contact in the locating pawl, when position sleeve 7 touched the location shell fragment of locating pawl 12, can extrude the location shell fragment, make location shell fragment elastic deformation, after the locating shell fragment was crossed to position sleeve 7, the location shell fragment reconversion and with the location terminal surface roof pressure of location platform 4, and the inner wall of position sleeve 7 is spacing in the face of the location shell fragment, prevented that the location shell fragment from breaking away from location platform 4.
The second embodiment of the connector of the present invention is different from the first embodiment in that the connector in the present embodiment is a switching connector, the connector includes a first component and a second component, a pin contact is installed in the first component, and a socket contact is installed in the second component. The pin contact in the first component only comprises a plugging end, and the pin contact in the second component only comprises a plugging end. The rest is the same as the first embodiment, and is not described again.
The third embodiment of the connector of the present invention is different from the first embodiment in that one side of the positioning sleeve, which is close to the top end of the positioning table and the top end of the positioning claw, extends outward along the axial direction of the positioning sleeve to the outside of the positioning table, and the inner wall surface of the positioning sleeve and the outer peripheral surface of the insertion end form a positioning groove for inserting the positioning elastic piece. The rest is the same as the first embodiment, and is not described again.
The contact of the embodiment of the invention has the same structure as the contact of the embodiments of the connector, and the description is omitted.
Claims (2)
1. The utility model provides a connector, includes insulating housing, the last through hole that is equipped with of insulating housing, wear to be equipped with positioning pawl and contact in the through hole, its characterized in that: the contact element comprises a body, the body comprises a positioning table, the contact element is processed by a stamping process, one end of the contact element is an inserting end, the inserting end is integrally connected with the positioning table, the positioning table is a cylindrical table, one end of the positioning table, which is far away from the end connected with the inserting end, is integrally connected with a wire pressing end used for pressing a cable connected with the contact element, the positioning table is provided with an insulator matching end matched with the insulator and a positioning claw matching end matched with the positioning claw, the end, pressed and fixed by the positioning table and the positioning claw, is an arc surface, a positioning step is formed between the wire pressing end and the positioning table, so that the positioning claw in the insulating shell acts on the positioning table to press the contact element in the insulating shell when the contact element is assembled with the insulating shell, a positioning sleeve is fixedly connected on the positioning table, and a positioning groove for inserting the positioning claw is formed on the inner wall surface of the positioning sleeve and the body at the positioning claw matching end of the positioning table, the positioning groove is positioned between the cambered surface of the positioning table and the positioning sleeve, when the contact element is assembled with the insulating shell, the positioning claw can enter the positioning groove, the inner wall of the positioning sleeve plays a limiting role in facing the positioning claw, and the positioning sleeve is embedded on the positioning table; the positioning claw comprises a cylinder body, and a positioning elastic sheet is arranged on the inner wall of the cylinder body, wherein one end of the positioning elastic sheet is fixed on the inner wall of the cylinder body, and the other end of the positioning elastic sheet freely slants to extend to the axis of the cylinder body; when the contact piece was assembled with insulating housing, earlier inserted the locating pawl in insulating housing's through hole, then penetrated the contact piece in the locating pawl, when the position sleeve touched the location shell fragment of locating pawl, can extrude the location shell fragment, made location shell fragment elastic deformation, after the locating shell fragment was crossed to the position sleeve, the location shell fragment reconversion and with the cambered surface roof pressure of location platform, and the inner wall of position sleeve was carried on spacingly in the face of the location shell fragment, prevented that the location shell fragment from breaking away from the location platform.
2. The connector of claim 1, wherein: the contact member is a pin contact member or a jack contact member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548186.2A CN110176680B (en) | 2018-05-31 | 2018-05-31 | Contact and connector using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548186.2A CN110176680B (en) | 2018-05-31 | 2018-05-31 | Contact and connector using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110176680A CN110176680A (en) | 2019-08-27 |
| CN110176680B true CN110176680B (en) | 2021-07-30 |
Family
ID=67689241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810548186.2A Active CN110176680B (en) | 2018-05-31 | 2018-05-31 | Contact and connector using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110176680B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922117A (en) * | 2021-09-23 | 2022-01-11 | 中航光电科技股份有限公司 | Contact pin, jack and stamping and edge rolling forming contact assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795889A (en) * | 1972-06-05 | 1974-03-05 | Amp Inc | Pin and socket type electrical contact terminals |
| US5100346A (en) * | 1991-03-15 | 1992-03-31 | Cardell Corporation | Micropin connector system |
| US5348498A (en) * | 1992-10-05 | 1994-09-20 | General Motors Corporation | Sealed pass through electrical connector |
| CN2829124Y (en) * | 2005-08-31 | 2006-10-18 | 贵州航天电器股份有限公司 | Fixing structure of contact device of electric connector |
| FR2889772B1 (en) * | 2005-08-09 | 2009-04-17 | Souriau Soc Par Actions Simpli | CONNECTOR ASSEMBLY |
-
2018
- 2018-05-31 CN CN201810548186.2A patent/CN110176680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3795889A (en) * | 1972-06-05 | 1974-03-05 | Amp Inc | Pin and socket type electrical contact terminals |
| US5100346A (en) * | 1991-03-15 | 1992-03-31 | Cardell Corporation | Micropin connector system |
| US5348498A (en) * | 1992-10-05 | 1994-09-20 | General Motors Corporation | Sealed pass through electrical connector |
| FR2889772B1 (en) * | 2005-08-09 | 2009-04-17 | Souriau Soc Par Actions Simpli | CONNECTOR ASSEMBLY |
| CN2829124Y (en) * | 2005-08-31 | 2006-10-18 | 贵州航天电器股份有限公司 | Fixing structure of contact device of electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110176680A (en) | 2019-08-27 |
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