CN109449693B - Connector assembly, connector, and insulator - Google Patents
Connector assembly, connector, and insulator Download PDFInfo
- Publication number
- CN109449693B CN109449693B CN201710779487.1A CN201710779487A CN109449693B CN 109449693 B CN109449693 B CN 109449693B CN 201710779487 A CN201710779487 A CN 201710779487A CN 109449693 B CN109449693 B CN 109449693B
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- Prior art keywords
- insulator
- plug
- socket
- sealing
- connector assembly
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- 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
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to a connector assembly, a connector and an insulator. The connector assembly comprises a plug and a socket, the plug comprises a plug insulator, the socket comprises a socket insulator, a contact sealing structure is arranged between the plug insulator and the socket insulator, and the contact sealing structure is used for sealing and matching the corresponding inserted contacts on the insertion interface of the plug insulator and the socket insulator after the plug and the socket are inserted and respectively sealing independently. By arranging the contact sealing structure between the plug insulator and the socket insulator, after the plug and the socket are plugged, the sealing of the plug pin and the jack piece after the plug and the socket are plugged is realized through the sealing matching of the contact sealing structure, and the air contact in the air gap between the plug pin and the jack piece and between the plug insulator and the socket insulator is avoided, so that the voltage resistance of the connector is influenced.
Description
Technical Field
The invention relates to a connector assembly, a connector and an insulator.
Background
In the existing connector assembly, after the plug and the socket are plugged, the plugging ends of the plug and the socket are mainly sealed by a sealing ring between the plug shell and the socket shell, the sealing mode can only realize the sealing between the inner side and the outer side of the shell, an air gap still exists between a plug insulator positioned in the plug shell and a socket insulator positioned in the socket shell, and a socket contact and a plug contact are exposed in the air gap, so that the voltage resistance of the connector assembly is influenced.
Disclosure of Invention
The invention aims to provide a connector assembly which can realize the sealing between a plug contact and a socket contact after a plug and a socket are plugged; the invention also aims to provide a connector which can realize the sealing between a plug contact and a socket contact after the plug and the socket are plugged; the invention also aims to provide an insulator which can realize the sealing between the plug contact and the socket contact after the plug and the socket are plugged.
To achieve the above object, a technical solution 1 of a connector assembly of the present invention is: a connector assembly comprises a plug and a socket, wherein the plug comprises a plug insulator, the socket comprises a socket insulator, and a contact sealing structure is arranged between the plug insulator and the socket insulator and is used for sealing and matching with a plugging interface of the plug insulator and the socket insulator to respectively and independently seal correspondingly plugged contacts after the plug and the socket are plugged. By arranging the contact sealing structure between the plug insulator and the socket insulator, after the plug and the socket are plugged, the sealing of the plug pin and the jack piece after the plug and the socket are plugged is realized through the sealing matching of the contact sealing structure, and the air contact in the air gap between the plug pin and the jack piece and between the plug insulator and the socket insulator is avoided, so that the voltage resistance of the connector is influenced.
The technical scheme 2 of the connector assembly is further improved on the basis of the technical scheme 1: the contact sealing structure is a plug-in sealing structure.
The technical scheme 3 of the connector assembly is further improved on the basis of the technical scheme 2: one of the plug insulator and the socket insulator is provided with a contact pin, the other one of the plug insulator and the socket insulator is provided with a jack, and the opposite-insertion type sealing structure comprises a protrusion arranged around the contact pin and a sealing matching hole corresponding to the protrusion.
The technical scheme 4 of the connector assembly is further improved on the basis of the technical scheme 3: the bulge is a conical bulge, and the sealing matching hole is a conical hole corresponding to the conical bulge.
The technical proposal 5 of the connector assembly of the invention is further improved on the basis of the technical proposal 2: one of the plug insulator and the socket insulator is provided with a contact pin, the other one of the plug insulator and the socket insulator is provided with a jack, and the plug-in type sealing structure comprises a sealing fit groove arranged around the contact pin and a bulge corresponding to the sealing fit groove.
The technical scheme 6 of the connector assembly is further improved on the basis of any one of the technical schemes 1 to 5: the plug insulator and the socket insulator are respectively provided integrally with corresponding portions of the contact seal structure.
The technical scheme 7 of the connector assembly is further improved on the basis of the technical scheme 6: at least one of the plug insulator and the receptacle insulator is a flexible insulator.
The technical scheme 8 of the connector assembly is further improved on the basis of the technical scheme 7: the flexible insulator is a rubber insulator.
Technical solution 9 of a connector assembly of the present invention is a further improvement on the basis of technical solution 7 or 8: the plug insulator and the socket insulator are in interference fit with the corresponding shells respectively. And sealing between the plug insulator and the plug shell and between the socket insulator and the socket shell is realized.
In order to achieve the above object, a technical solution 1 of a connector of the present invention is: the connector comprises insulators, wherein a contact sealing structure is arranged on the plugging end of each insulator, and the contact sealing structures are used for sealing and matching the corresponding plugged contacts at the plugging interface between the two connector insulators respectively and independently after the connector is plugged with the connector matched with the connector.
The technical scheme 2 of the connector is further improved on the basis of the technical scheme 1: the contact sealing structure is a plug-in sealing structure.
The technical scheme 3 of the connector is further improved on the basis of the technical scheme 2: the insulator is provided with a contact pin, and the opposite-insertion type sealing structure is a bulge or a sealing matching groove arranged around the contact pin.
The technical scheme 4 of the connector is further improved on the basis of the technical scheme 3: the protrusions are conical protrusions.
The technical scheme 5 of the connector is further improved on the basis of the technical scheme 2: the insulator is provided with a jack, and the opposite-insertion type sealing structure is a sealing matching hole or a bulge arranged at the front end of the jack.
The technical scheme 6 of the connector is further improved on the basis of the technical scheme 5: the sealing matching hole is a conical hole.
The technical scheme 7 of the connector is further improved on the basis of any one of the technical schemes 1 to 6: the insulator and contact seal structure are integrally provided.
The technical scheme 8 of the connector is further improved on the basis of the technical scheme 7: the insulator is a flexible insulator.
The technical scheme 9 of the connector is further improved on the basis of the technical scheme 8: the flexible insulator is a rubber insulator.
The technical proposal 10 of the connector of the invention is further improved on the basis of the technical proposal 8 or 9: the connector further comprises a housing, and the insulator is in interference fit with the housing.
In order to achieve the above object, the invention provides an insulator according to claim 1, wherein: the utility model provides an insulator, includes insulator, and the front end of insulator is provided with contact seal structure, and contact seal structure is used for sealing cooperation with the insulator of adaptation after connector component grafting and then separately seals the contact of corresponding grafting respectively in the grafting interface department of two insulators.
The technical scheme 2 of the insulator is further improved on the basis of the technical scheme 1: the contact sealing structure is a plug-in sealing structure.
The technical scheme 3 of the insulator is further improved on the basis of the technical scheme 2: the insulator is internally provided with a contact pin mounting hole, and the contact sealing structure is a bulge or a sealing matching groove arranged around the contact pin mounting hole at the front end of the contact pin mounting hole.
The technical scheme 4 of the insulator is further improved on the basis of the technical scheme 3: the protrusions are conical protrusions.
The technical scheme 5 of the insulator is further improved on the basis of the technical scheme 2: the insulator is internally provided with a jack piece mounting hole, and the contact sealing structure is a sealing matching hole arranged at the front end of the jack piece mounting hole or a bulge arranged around the jack piece mounting hole.
The technical scheme 6 of the insulator is further improved on the basis of the technical scheme 5: the sealing matching hole is a conical hole.
The technical scheme 7 of the insulator is further improved on the basis of any one of the technical schemes 1 to 6: the insulating body and the contact sealing structure are integrally arranged.
The technical scheme 8 of the insulator is further improved on the basis of the technical scheme 7: the insulator is a flexible insulator.
The technical scheme 9 of the insulator is further improved on the basis of the technical scheme 8: the flexible insulator is a rubber insulator.
Drawings
FIG. 1 is a cross-sectional view of a plug and receptacle of embodiment 1 of the connector assembly of the present invention shown mated;
FIG. 2 is a cross-sectional view of a receptacle of embodiment 1 of the connector assembly of the present invention;
FIG. 3 is a cross-sectional view of the socket insulator in embodiment 1 of the connector assembly of the present invention;
FIG. 4 is a front view of the assembled plug insulator and pin of embodiment 1 of the connector assembly of the present invention;
FIG. 5 is a perspective view of a plug insulator in accordance with embodiment 1 of the connector assembly of the present invention;
in the figure: 11. a socket housing; 12. a socket insulator; 13. a jack member; 14. sealing the mating hole; 15. a tail housing; 16. a compression ring; 17. sealing the rubber ring; 18. a seal ring; 21. a plug housing; 22. a plug insulator; 23. inserting a pin; 24. an annular projection; 25. a plug gap; 3. and (4) corrugated holes.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
A specific embodiment 1 of a connector assembly of the present invention, as shown in fig. 1 to 5, includes a plug and a socket, the plug includes a plug housing 21 and a plug insulator 22 mounted in the plug housing, the plug insulator 22 is integrally provided and made of rubber, a pin 23 is provided in the plug insulator 22, an annular protrusion 24 is provided on the plug insulator 22 around a root of the pin 23, and in this embodiment, the annular protrusion 24 is a tapered protrusion.
The socket comprises a socket shell 11 and a socket insulator 12 installed in the socket shell, the socket insulator is integrally made of rubber, a jack piece 13 is arranged in the socket insulator 12, a sealing matching hole 14 for a contact pin to penetrate through and for an annular bulge 24 at the root of the contact pin to be squeezed into after the contact pin is inserted is formed in the front end of the jack piece 13 of the socket insulator, sealing between the contact pin and the jack piece is achieved, and the sealing matching hole 14 is a conical hole of a flaring matched with the conical bulge.
In addition, the rear ends of the plug insulator 22 and the socket insulator 12 are provided with corrugated holes 3 for electrically connecting the wires passing through the internal pin or socket members thereof, and sealing between the wires and the insulators is achieved by providing the corrugated holes. The plug insulator 22 and the plug housing 21 are in interference fit, and sealing between the plug insulator and the plug housing is achieved. The socket insulator 12 and the socket housing 11 are in interference fit, and sealing between the socket insulator and the socket housing is achieved. A plug gap 25 is provided between the plug insulator 22 and the plug housing 21, into which the socket housing 11 is inserted to achieve a sealing fit between the socket housing 11 and the plug insulator 22.
In addition, the socket also comprises a tail accessory, the tail accessory comprises a tail shell 15 connected with the socket shell 11, and a sealing rubber ring 17 used for realizing sealing between the tail shell and the cable jacket is pressed and fixed in the tail shell 15 through a pressing ring 16. The seal between the rear housing 15 and the receptacle housing 11 is achieved by a sealing ring 18 disposed therebetween.
In the practical use process of the connector assembly, when the plug and the socket are plugged, after the contact pin 23 is plugged into the plug hole 13, the annular bulge 24 at the root of the contact pin 23 is squeezed into the sealing matching hole 14 at the front end of the plug hole, and the sealing after the contact pin and the plug hole are plugged is realized through the sealing matching between the annular bulge 24 and the sealing matching hole 14, so that the contact of the contact pin and the plug hole with the air in the air gap between the plug insulator 22 and the socket insulator 12 is avoided, and the voltage resistance of the connector is not influenced.
By arranging the plug gap 25 for inserting the socket shell between the plug insulator 22 and the plug shell 21 and inserting the socket shell 11 into the gap to be in sealing fit with the plug insulator 22, the sealing of the inner side and the outer side of the shell after the plug and the socket are inserted is realized, the sealing is realized by utilizing the elastic performance of the plug insulator 22, a sealing ring is not required to be additionally arranged between the plug shell and the socket shell, and the sealing structure is ingenious in design.
Whole connector assembly is when the in-service use, it is sealed through interference fit between insulator and the casing, contact pin and jack spare realize sealedly through annular bulge and sealed mating hole, the sealed cooperation between socket casing and the plug insulator is sealed through the outside in the connector assembly casing, it is sealed through the sealing washer between afterbody casing and the socket casing, it is sealed through sealed rubber ring between afterbody casing and the cable jacket, it is sealed through the ripple hole between insulator and the wire, through the setting of these seal structure, realize that plug and socket insert the totally enclosed after closing.
Embodiment 2 of the connector assembly of the present invention differs from embodiment 1 in that: the plug insulator and the socket insulator are not sealed by the plug-in type matching between the annular protrusion and the sealing matching hole, bosses are arranged at the front ends of the plug insulator and the socket insulator, and the bosses on the two insulators are tightly matched after the plug and the socket are inserted, so that sealing is realized.
Embodiment 4 of the connector assembly of the present invention differs from embodiment 1 in that: the outer side surface of the annular protrusion is arc-shaped, the annular protrusion is overall spherical, and the sealing matching hole is correspondingly arranged to be a through spherical groove.
Embodiment 5 of the connector assembly of the present invention differs from embodiment 1 in that: the plug insulator is split, the middle part of the plug insulator is made of other insulating materials, and the parts of the two ends of the plug insulator, which are provided with the annular bulges and the corrugated holes, are made of rubber. Similarly, the socket insulator can also be split, the middle part is made of other insulators, and the parts of the two ends, which are provided with the sealing matching holes and the corrugated holes, are made of rubber.
Embodiment 6 of the connector assembly of the present invention differs from embodiment 1 in that: the socket insulator may not be made of rubber, and the annular boss and the seal fitting hole are sealed by a conical surface, which is similar to a conical valve in principle.
Embodiment 7 of the connector assembly of the present invention differs from embodiment 1 in that: the plug insulator and the socket insulator may be only one of a rubber insulator, and sealing between the seal fitting hole and the annular protrusion may be achieved as long as one of the hole wall of the seal fitting hole and the annular protrusion is made of an elastic material.
Embodiment 8 of the connector assembly of the present invention differs from embodiment 1 in that: a socket gap for the plug shell to insert is arranged between the socket insulator and the socket shell, and when the plug and the socket are connected, the inside and the outside of the shell are sealed through the sealing fit between the plug shell and the socket insulator.
Embodiment 9 of the connector assembly of the present invention differs from embodiment 1 in that: the plug insulator and the receptacle insulator may also be made of other flexible materials such as resin.
Embodiment 10 of the connector assembly of the present invention differs from embodiment 1 in that: the plug pin and the jack piece can be interchanged in position, the jack piece is arranged on the plug insulator, and the plug pin is arranged on the socket insulator.
The specific structure of the embodiment of the connector of the present invention is the same as the specific structure of the socket or the plug in each embodiment of the connector assembly, and the details are not repeated herein.
The specific structure of the insulator of the present invention is the same as that of the plug insulator or the socket insulator in each embodiment of the connector assembly, and is not described herein again.
Claims (12)
1. A connector assembly comprising a plug and a receptacle, the plug comprising a plug insulator and the receptacle comprising a receptacle insulator, wherein: the plug insulator and the socket insulator are provided with a contact sealing structure, the contact sealing structure is an opposite-insertion type sealing structure and is used for sealing and matching the corresponding inserted contacts on the inserting interface of the plug insulator and the socket insulator after the plug and the socket are inserted, so as to respectively and independently seal the corresponding inserted contacts, one of the plug insulator and the socket insulator is provided with a contact pin, the other one of the plug insulator and the socket insulator is provided with a jack, and the opposite-insertion type sealing structure comprises a protrusion arranged around the contact pin and a sealing matching hole corresponding to the protrusion; a plug gap for inserting the socket shell is arranged between the plug insulator and the plug shell, the socket shell is inserted into the gap to be matched with the plug insulator in a radial sealing mode, and sealing is achieved through the elasticity of the plug insulator.
2. The connector assembly of claim 1, wherein: the bulge is a conical bulge, and the sealing matching hole is a conical hole corresponding to the conical bulge.
3. The connector assembly of claim 1 or 2, wherein: the plug insulator and the socket insulator are respectively provided integrally with corresponding portions of the contact seal structure.
4. The connector assembly of claim 3, wherein: the socket insulator is a flexible insulator.
5. The connector assembly of claim 4, wherein: the flexible insulator is a rubber insulator.
6. The connector assembly of claim 4 or 5, wherein: the plug insulator and the socket insulator are in interference fit with the corresponding shells respectively.
7. A connector assembly comprising a plug and a receptacle, the plug comprising a plug insulator and the receptacle comprising a receptacle insulator, wherein: the plug insulator and the socket insulator are provided with a contact sealing structure, the contact sealing structure is an opposite-insertion type sealing structure and is used for sealing and matching the corresponding inserted contacts on the inserting interface of the plug insulator and the socket insulator after the plug and the socket are inserted, so that the corresponding inserted contacts are separately sealed, one of the plug insulator and the socket insulator is provided with a contact pin, the other one of the plug insulator and the socket insulator is provided with a jack, and the opposite-insertion type sealing structure comprises a sealing matching groove arranged around the contact pin and a bulge corresponding to the sealing matching groove; a plug gap for inserting the socket shell is arranged between the plug insulator and the plug shell, the socket shell is inserted into the gap to be matched with the plug insulator in a radial sealing mode, and sealing is achieved through the elasticity of the plug insulator.
8. The connector assembly of claim 7, wherein: the protrusion is a conical protrusion, and the sealing matching groove is a conical hole corresponding to the conical protrusion.
9. The connector assembly of claim 7 or 8, wherein: the plug insulator and the socket insulator are respectively provided integrally with corresponding portions of the contact seal structure.
10. The connector assembly of claim 9, wherein: the socket insulator is a flexible insulator.
11. The connector assembly of claim 10, wherein: the flexible insulator is a rubber insulator.
12. The connector assembly of claim 10 or 11, wherein: the plug insulator and the socket insulator are in interference fit with the corresponding shells respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710779487.1A CN109449693B (en) | 2017-09-01 | 2017-09-01 | Connector assembly, connector, and insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710779487.1A CN109449693B (en) | 2017-09-01 | 2017-09-01 | Connector assembly, connector, and insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449693A CN109449693A (en) | 2019-03-08 |
| CN109449693B true CN109449693B (en) | 2020-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710779487.1A Active CN109449693B (en) | 2017-09-01 | 2017-09-01 | Connector assembly, connector, and insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449693B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265828B (en) * | 2019-05-20 | 2021-04-09 | 中国航天员科研训练中心 | High-voltage high-vacuum sealing electric connector |
| CN114122780B (en) * | 2021-10-22 | 2024-03-19 | 中航光电科技股份有限公司 | Universal flexible interconnection large floating connector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776968A (en) * | 2005-11-25 | 2006-05-24 | 四川海洋特种技术研究所 | Deep-sea compressive sealed connector structure |
| CN202196935U (en) * | 2011-08-22 | 2012-04-18 | 浙江中杭电子有限公司 | Deep seat watertight wet inserting-extracting connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001257028A (en) * | 2000-03-10 | 2001-09-21 | Yazaki Corp | Coupling structure of connector |
| CN101615748B (en) * | 2009-07-17 | 2011-07-20 | 中航光电科技股份有限公司 | Direct-plug water-sealed connector component, plug thereof and socket thereof |
| CN103414050A (en) * | 2012-02-14 | 2013-11-27 | 通用电气传感与检测科技股份有限公司 | High-voltage connector assembly and high-voltage connector for high-voltage cable and method for manufacturing high-voltage connector assembly |
| CN103050831B (en) * | 2012-12-18 | 2016-05-18 | 中航光电科技股份有限公司 | Deep water sealing connector and manufacture method thereof |
| US9711892B2 (en) * | 2013-06-04 | 2017-07-18 | Okazaki Manufacturing Company | Method for producing structure for end of MI cable |
| CN205051071U (en) * | 2015-09-24 | 2016-02-24 | 沈阳兴华华亿轨道交通电器有限公司 | Rubber insulation body bayonet type electric connector |
-
2017
- 2017-09-01 CN CN201710779487.1A patent/CN109449693B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776968A (en) * | 2005-11-25 | 2006-05-24 | 四川海洋特种技术研究所 | Deep-sea compressive sealed connector structure |
| CN202196935U (en) * | 2011-08-22 | 2012-04-18 | 浙江中杭电子有限公司 | Deep seat watertight wet inserting-extracting connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109449693A (en) | 2019-03-08 |
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