CN108521047B - High-reliability single-core high-current electric connector - Google Patents
High-reliability single-core high-current electric connector Download PDFInfo
- Publication number
- CN108521047B CN108521047B CN201810306240.2A CN201810306240A CN108521047B CN 108521047 B CN108521047 B CN 108521047B CN 201810306240 A CN201810306240 A CN 201810306240A CN 108521047 B CN108521047 B CN 108521047B
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- CN
- China
- Prior art keywords
- assembly
- plug
- socket
- ring
- sliding
- Prior art date
- 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.)
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Classifications
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6277—Snap or like fastening comprising annular latching means, e.g. ring snapping in an annular groove
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a high-reliability single-core high-current electric connector, which comprises a plug, a socket, a secondary locking card, a sliding ring and a locking ring, wherein the plug comprises a pin assembly and a plug insulation shell assembly; the jack assembly is inserted and fixed in the socket insulating shell assembly, the inner wall of the jack assembly is provided with a positioning groove, one surface of the locking ring, which faces the sliding ring, is an inclined surface which is inclined downwards, and the locking ring is nested in the positioning groove of the jack assembly and the sliding groove of the contact pin assembly. The electric connector of the invention has the advantages of light weight, small appearance, simple and convenient operation and low cost while improving the reliability.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a single-core high-current electric connector with high reliability.
Background
The electric connector is very widely applied in various fields due to reliable connection, convenience in prefabricating the wire harness and maintainability and replaceability. With the rapid development of society, the modern industry has placed higher demands on the electrical connection of electrical devices or systems, in particular in terms of reliability.
The heavy-current electric connector in the prior art has the defects that the locking force is not strong, locking failure is easy to occur under violent dragging, the structure of some heavy-current electric connectors with the self-locking function is complex, the appearance is large, the weight is heavy and the operation is inconvenient, and the cost of users and manufacturing enterprises is increased to a certain extent.
Disclosure of Invention
The invention aims to overcome the defects in the background technology, and provides a high-reliability single-core high-current electric connector which has a secondary locking function and can prevent the electric connector from being unlocked accidentally under abnormal conditions.
In order to achieve the technical effects, the invention adopts the following technical scheme:
the utility model provides a single core heavy current electric connector of high reliability, contains plug, socket, secondary locking card, slip ring and locking ring, the plug comprises contact pin subassembly and plug insulating housing subassembly, the socket comprises jack subassembly and socket insulating housing subassembly, wherein;
the pin assembly is inserted and fixed in the plug insulating shell assembly, the secondary locking card is sleeved on the plug, a sliding groove is formed in the side wall of the pin assembly, the sliding ring is sleeved in the sliding groove of the pin assembly and can axially slide relative to the pin assembly in the sliding groove, and a linkage groove is formed in the surface of the sliding ring; the jack assembly is spliced and fixed in the socket insulating shell assembly, the inner wall of the jack assembly is provided with a positioning groove, one surface of the locking ring, which faces the sliding ring, is an inclined surface which is inclined downwards, and in a working state, the locking ring is nested in the positioning groove of the jack assembly and the sliding groove of the contact pin assembly;
the working principle of the electric connector of the invention is as follows: in the process of inserting the plug and the socket, the pin assembly jacks up the locking ring, so that the locking ring is completely embedded into the positioning groove on the inner wall of the jack assembly while being opened, and the state is kept, as the inserting continues, the sliding ring sleeved in the sliding groove of the pin assembly slides towards one end far away from the locking ring under the action of the locking ring, and a section of cavity is formed between the sliding groove and the proximal end of the locking ring, and the locking ring is contracted due to the fact that the diameter of the sliding ring is smaller than that of the pin assembly, and at the moment, the locking ring, the sliding ring on the pin assembly and the positioning groove of the jack assembly simultaneously interfere to realize the locking function; after the plug and the socket are locked, the secondary locking clamp is sleeved into a gap between the plug and the end face of the socket, the gap between the plug and the socket is filled, and the plug and the socket can not move relatively, so that the secondary locking is realized.
When the electric connector needs to be unlocked, the secondary locking clamp on the plug insulator is firstly removed, then the plug and the socket are continuously inserted forward, at the moment, the sliding ring is at the most distal end and cannot slide any more, the locking ring is jacked up and opened by the sliding ring, the locking ring is completely embedded into the positioning groove of the jack component, the locking ring is locked in the linkage groove on the surface of the sliding ring along with the continuous insertion, at the moment, the plug and the socket are separated by being pulled backwards respectively due to the interference of the shell of the plug and the socket, the sliding ring moves the end part of the sliding groove to be unable to move under the thrust action of the locking ring along with the continuous separation, the unique V-shaped design is adopted by the linkage groove, the locking ring can be separated from the linkage groove under the condition of a certain force, at the moment, the locking ring is transited to the pin component from the sliding ring, and the unlocking separation of the whole electric connector can be realized.
Further, the pin assembly, the jack assembly and/or the locking ring are/is made of copper alloy materials, and the alloy materials have higher tensile strength and yield strength, so that the abnormal separation force of the electric connector can reach more than 10000N when the electric connector is in a locking state, and the abnormal separation force is far more than that of the electric connector of the same type and specification.
Further, the sliding ring is made of stainless steel material.
Further, the plug insulator housing assembly, the socket insulator housing assembly and/or the secondary locking card are made of plastic, and the plastic material is selected to provide insulation and external protection functions at the same time, so that the weight and cost of the product are effectively reduced.
Further, the cross section of the linkage groove of the sliding ring is V-shaped.
Compared with the prior art, the invention has the following beneficial effects:
the electric connector of the invention improves the connection reliability of the traditional high-current connector, and has the advantages of light weight, small appearance, simple and convenient operation and low cost compared with the products with the same type and the same specification by means of exquisite and reasonable structural design.
Drawings
Fig. 1 is a partial cross-sectional view of an electrical connector of the present invention.
Fig. 2 is a partial cross-sectional view of the electrical connector pin assembly, receptacle assembly of the present invention in a locked condition.
Fig. 3 is a partial cross-sectional view of the electrical connector pin assembly, receptacle assembly of the present invention in an unlocked state.
Reference numerals:
1-plug, 2-socket, 3-secondary locking card, 4-slip ring, 5-locking ring, 11-contact pin subassembly, 12-plug insulating housing subassembly, 21-jack subassembly, 22-socket insulating housing subassembly, 41-linkage recess, 111-slip recess, 211-positioning groove.
Detailed Description
The invention is further illustrated and described below in connection with the following examples of the invention.
Examples:
as shown in fig. 1, a high-reliability single-core high-current electric connector comprises a plug 1, a socket 2, a secondary locking card 3, a slip ring 4 and a locking ring 5, wherein the plug 1 is composed of a pin assembly 11 and a plug insulating housing assembly 12, and the socket 2 is composed of a jack assembly 21 and a socket insulating housing assembly 22.
The contact pin assembly 11 is inserted and fixed in the plug insulating shell assembly 12, the secondary locking card 3 is sleeved on the plug 1, a sliding groove 111 is formed in the side wall of the contact pin assembly 11, the sliding ring 4 is sleeved in the sliding groove 111 of the contact pin assembly 11 and can axially slide relative to the contact pin assembly 11 in the sliding groove 111, and a linkage groove 41 is formed in the surface of the sliding ring 4.
The jack assembly 21 is inserted and fixed in the socket insulating housing assembly 22, the inner wall of the jack assembly 21 is provided with a positioning groove 211, one surface of the locking ring 5 facing the sliding ring 4 is an inclined surface which is inclined downwards, and the locking ring 5 is nested in the positioning groove 211 of the jack assembly 21 and the sliding groove 111 of the contact pin assembly 11.
In use, the pin assembly 11 of the cable is inserted and assembled into the plug insulating housing assembly 12 and fixed by bolts to form the plug 1, and the jack assembly 21 is inserted and assembled into the socket insulating housing assembly 22 and fixed by bolts to form the socket 2.
When the plug 1 and the socket 2 are required to be plugged, the secondary locking card 3 is assembled on the pin assembly 11 of the plug 1, then the plug 1 and the socket 2 are plugged, as shown in fig. 2, in the plugging process of the plug 1 and the socket 2, the pin assembly 11 jacks up the locking ring 5, so that the locking ring 5 is opened and is completely embedded into the positioning groove 211 on the inner wall of the socket assembly 21, and the state is kept, as plugging continues, the sliding ring 4 sleeved in the sliding groove 111 of the pin assembly 11 is slid towards one end far away from the locking ring 5 by the acting force of the locking ring 5, the sliding groove 111 and the proximal end of the locking ring 5 form a section of cavity, and because the diameter of the sliding ring 4 is smaller than the diameter of the pin assembly 11, the locking ring 5 is contracted and clamped on the sliding ring 4, at the moment, the sliding ring 4 of the locking ring 5 and the positioning groove 211 of the socket assembly 21 simultaneously interfere, so that the locking function is realized, and after the plug 1 and the socket 2 are locked, the plug 1 and the socket 2 cannot be relatively locked in axial directions due to the fact that the sliding ring 4 is fully sleeved in the sliding ring 3 is subjected to the action of the sliding ring 5 and the sliding ring 4.
When unlocking is needed, the secondary locking card 3 on the contact pin assembly 11 is firstly removed, then the plug 1 and the socket 2 are continuously inserted forward, at the moment, the sliding ring 4 is at the most distal end and cannot slide again, the sliding ring 4 firstly jacks up and opens the locking ring 5, the locking ring 5 is completely embedded into the positioning groove 211 of the jack assembly 21, along with the continuous insertion, the locking ring 5 enters the linkage groove 41 on the surface of the sliding ring 4 to lock the sliding ring 4, at the moment, the plug 1 and the socket insulating shell assembly 22 are interfered, at the moment, the plug 1 and the socket 2 are respectively pulled backwards to separate, in particular, the socket 2 is pulled backwards along the direction A, the plug 1 is pulled backwards along the direction B, as shown in fig. 3, along with the continuous separation of the plug 1 and the socket 2, the sliding ring 4 slides to the right side wall of the sliding groove 111 at one end in the contact pin assembly 11 and cannot move again under the pushing force of the locking ring 5, the V-shaped design of the groove 41 enables the locking ring 5 to be separated from the sliding groove 111 under a certain force, and the whole situation of the sliding ring 4 is separated from the sliding groove 41, and the whole connector can be electrically connected in a transitional mode, and the plug 11 is unlocked, and the whole connector can be separated from the contact pin assembly 2.
In the electric connector of the invention, the relevant parts such as the contact pin assembly 11, the jack assembly 21, the sliding ring 4, the locking ring 5 and the like which play a role in locking are all made of metal materials, the tensile strength and the yield strength are higher, and the abnormal separating force can reach more than 10000N and far exceeds the common electric connector with the same type and the same specification.
Preferably, in the present embodiment, the pin assembly 11, the socket assembly 21 and the locking ring 5 are made of copper alloy material, and the sliding ring 4 is made of stainless steel material.
Specifically, the sliding ring 4 is C-shaped, and the inner surface of the sliding ring, which is contacted with the contact pin assembly 11, is smooth and flat; the locking ring 5 is also C-shaped and is made of copper alloy materials, so that the locking ring has elasticity and can be repeatedly opened and closed, and is a key part of the whole structure. Wherein the cross section of the linkage groove 41 of the sliding ring 4 is V-shaped.
The plug 1 insulator housing assembly, the socket 2 insulator housing assembly and the secondary locking card 3 are made of plastics, and the plastic material is selected to simultaneously provide insulation and external protection functions, so that the product weight and cost are effectively reduced, and meanwhile, the secondary locking card 3 made of the plastic material is preferably designed into a C shape, so that the plug can be conveniently assembled and disassembled by bare hands.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (3)
1. The high-reliability single-core high-current electric connector is characterized by comprising a plug (1), a socket (2), a secondary locking card (3), a sliding ring (4) and a locking ring (5), wherein the plug (1) is composed of a pin assembly (11) and a plug insulating shell assembly (12), and the socket (2) is composed of a jack assembly (21) and a socket insulating shell assembly (22), wherein the plug is composed of a plug-in pin assembly and a plug insulating shell assembly;
the pin assembly (11) is fixedly inserted into the plug insulation shell assembly (12), the secondary locking card (3) is sleeved on the plug (1), a sliding groove (111) is formed in the side wall of the pin assembly (11), the sliding ring (4) is sleeved in the sliding groove (111) of the pin assembly (11) and can axially slide relative to the pin assembly (11) in the sliding groove (111), and a linkage groove (41) is formed in the surface of the sliding ring (4); the cross section of the linkage groove (41) of the sliding ring (4) is V-shaped;
the jack assembly (21) is inserted and fixed in the socket insulating shell assembly (22), the inner wall of the jack assembly (21) is provided with a positioning groove (211), one surface of the locking ring (5) facing the sliding ring (4) is an inclined surface which is inclined downwards, and in a working state, the locking ring (5) is nested in the positioning groove (211) of the jack assembly (21) and the sliding groove (111) of the pin assembly (11);
the sliding ring (4) is made of stainless steel materials.
2. A high reliability single core high current electrical connector according to claim 1, wherein said pin assembly (11), socket assembly (21) and/or locking ring (5) are made of copper alloy material.
3. A high reliability single core high current electrical connector according to claim 1, wherein said plug (1) insulator housing assembly, socket (2) insulator housing assembly and/or secondary locking card (3) are made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306240.2A CN108521047B (en) | 2018-04-08 | 2018-04-08 | High-reliability single-core high-current electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306240.2A CN108521047B (en) | 2018-04-08 | 2018-04-08 | High-reliability single-core high-current electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108521047A CN108521047A (en) | 2018-09-11 |
| CN108521047B true CN108521047B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810306240.2A Active CN108521047B (en) | 2018-04-08 | 2018-04-08 | High-reliability single-core high-current electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108521047B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020099881A1 (en) * | 2018-11-16 | 2020-05-22 | Zodiac Interconnect Uk Limited | An electrical connector |
| CN111430963B (en) * | 2020-04-02 | 2021-04-13 | 深圳市泛玛科技有限公司 | High-current connector |
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| US3848950A (en) * | 1972-09-07 | 1974-11-19 | G & H Technology | Electrical connector |
| DE4309563A1 (en) * | 1993-03-24 | 1994-09-29 | Kress Elektrik Gmbh & Co | Power cord connector |
| CN1510795A (en) * | 2002-10-22 | 2004-07-07 | �ٿƵ��ӱ���ʱ��˾ | Electric connector with locking ring, especially coaxial plug |
| CN201247878Y (en) * | 2008-08-27 | 2009-05-27 | 宁波市吉品信息科技有限公司 | Rapid plugging type coaxial connector |
| CN101499586A (en) * | 2008-01-30 | 2009-08-05 | 瞿金良 | Rapid insertion, self-locking type electric connector |
| CN102709744A (en) * | 2011-03-28 | 2012-10-03 | 广濑电机株式会社 | Connector having locking mechanism |
| CN102983451A (en) * | 2011-09-05 | 2013-03-20 | Ims连接器系统有限公司 | Electrical plug connector with quick lock |
| CN103904478A (en) * | 2014-03-31 | 2014-07-02 | 绵阳市金华洋电器制造有限公司 | Coaxial quick-disconnection electric connector |
| JP2015018741A (en) * | 2013-07-12 | 2015-01-29 | 日本圧着端子製造株式会社 | Coaxial plug and coaxial connector having the same |
| CN104600488A (en) * | 2015-02-15 | 2015-05-06 | 徐州雷奥医疗设备有限公司 | Intelligent medical connecting device |
| CN105428865A (en) * | 2015-12-28 | 2016-03-23 | 南京安尔泰通信科技有限公司 | R-N-type coaxial connector and test plug therefor |
| CN105870724A (en) * | 2016-06-06 | 2016-08-17 | 南京全信传输科技股份有限公司 | Quick-locking radio frequency coaxial connector |
| CN206850128U (en) * | 2016-06-01 | 2018-01-05 | 莫列斯有限公司 | Connector |
| CN208257017U (en) * | 2018-04-08 | 2018-12-18 | 四川永贵科技有限公司 | A kind of heavy-current electric connector of high reliablity |
-
2018
- 2018-04-08 CN CN201810306240.2A patent/CN108521047B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848950A (en) * | 1972-09-07 | 1974-11-19 | G & H Technology | Electrical connector |
| DE4309563A1 (en) * | 1993-03-24 | 1994-09-29 | Kress Elektrik Gmbh & Co | Power cord connector |
| CN1510795A (en) * | 2002-10-22 | 2004-07-07 | �ٿƵ��ӱ���ʱ��˾ | Electric connector with locking ring, especially coaxial plug |
| CN101499586A (en) * | 2008-01-30 | 2009-08-05 | 瞿金良 | Rapid insertion, self-locking type electric connector |
| CN201247878Y (en) * | 2008-08-27 | 2009-05-27 | 宁波市吉品信息科技有限公司 | Rapid plugging type coaxial connector |
| CN102709744A (en) * | 2011-03-28 | 2012-10-03 | 广濑电机株式会社 | Connector having locking mechanism |
| CN102983451A (en) * | 2011-09-05 | 2013-03-20 | Ims连接器系统有限公司 | Electrical plug connector with quick lock |
| JP2015018741A (en) * | 2013-07-12 | 2015-01-29 | 日本圧着端子製造株式会社 | Coaxial plug and coaxial connector having the same |
| CN103904478A (en) * | 2014-03-31 | 2014-07-02 | 绵阳市金华洋电器制造有限公司 | Coaxial quick-disconnection electric connector |
| CN104600488A (en) * | 2015-02-15 | 2015-05-06 | 徐州雷奥医疗设备有限公司 | Intelligent medical connecting device |
| CN105428865A (en) * | 2015-12-28 | 2016-03-23 | 南京安尔泰通信科技有限公司 | R-N-type coaxial connector and test plug therefor |
| CN206850128U (en) * | 2016-06-01 | 2018-01-05 | 莫列斯有限公司 | Connector |
| CN105870724A (en) * | 2016-06-06 | 2016-08-17 | 南京全信传输科技股份有限公司 | Quick-locking radio frequency coaxial connector |
| CN208257017U (en) * | 2018-04-08 | 2018-12-18 | 四川永贵科技有限公司 | A kind of heavy-current electric connector of high reliablity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108521047A (en) | 2018-09-11 |
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