CN108521047A - A kind of single heavy-current electric connector of high reliability - Google Patents
A kind of single heavy-current electric connector of high reliability Download PDFInfo
- Publication number
- CN108521047A CN108521047A CN201810306240.2A CN201810306240A CN108521047A CN 108521047 A CN108521047 A CN 108521047A CN 201810306240 A CN201810306240 A CN 201810306240A CN 108521047 A CN108521047 A CN 108521047A
- Authority
- CN
- China
- Prior art keywords
- contact pin
- component
- plug
- socket
- pin component
- 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.)
- Granted
Links
Classifications
-
- 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 kind of single heavy-current electric connectors of high reliability, including plug, socket, secondary locking card, slip ring and retaining ring, plug includes contact pin component and plug insulative shell member, socket includes plugging hole component and socket insulative shell member, contact pin component plugged and fixed is in plug insulative shell member, secondary locking cutting ferrule is connected on contact pin component, sliding recess is offered on the side wall of contact pin component, slip ring is socketed in the sliding recess of contact pin component and opposite contact pin component can slide axially in sliding recess, sliding ring surface offers linkage groove；Plugging hole component plugged and fixed is in socket insulative shell member, and the inner wall of plugging hole component offers positioning groove, and the one side of retaining ring towards slip ring is inclined-plane diagonally downward, and retaining ring is nested in the positioning groove of plugging hole component and the sliding recess of contact pin component.While the electric connector of the present invention improves reliability, have the advantages that light-weight, shape is small, easy to operate, at low cost.
Description
Technical field
The present invention relates to technical field of electric connectors, more particularly to the single heavy-current electric connector of a kind of high reliability.
Background technology
Electric connector is since connection is reliable, facilitate prefabricated harness and can safeguard replaceability, in every field with very
Extensively.With the rapid development of society, more stringent requirements are proposed for electrical connection of the modern industry to electrical equipment or system,
Especially in terms of reliability.
Heavy-current electric connector generally existing coupling mechanism force in the prior art is not strong, and is easy to lock in the case where violence pulls
The problem of tight failure, to there is structure in some heavy-current electric connectors with self-locking function relatively complicated again, shape greatly, weight weight
And the shortcomings that being not easy to operation, the cost of user and manufacturing enterprise is increased to a certain extent.
Invention content
It is insufficient the purpose of the present invention is overcoming in above-mentioned background technology, a kind of single high current of high reliability is provided and is electrically connected
Device is connect, has secondary locking function, accidental unlocking under electric connector abnormal condition can be prevented, is set by rational structure
Meter, electric connector of the invention also have light-weight, outer while improving reliability, compared to same type, same specification product
Small, easy to operate, the at low cost clear superiority of shape.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme：
A kind of single heavy-current electric connector of high reliability, including plug, socket, secondary locking card, slip ring and lock
Tight ring, the plug are made of contact pin component and plug insulative shell member, and the socket is insulated outer by plugging hole component and socket
Shell component is constituted, wherein；
In in plug insulative shell member, secondary locking cutting ferrule is connected on plug the contact pin component plugged and fixed, is being inserted
Sliding recess is offered on the side wall of needle assemblies, slip ring is socketed in the sliding recess of contact pin component and can be in sliding recess
Opposite contact pin component slides axially, and linkage groove is offered in sliding ring surface；The plugging hole component plugged and fixed is exhausted in socket
In edge casing assembly, the inner wall of plugging hole component offers positioning groove, and the one side of retaining ring towards slip ring is diagonally downward
Inclined-plane, under working condition, retaining ring is nested in the positioning groove of plugging hole component and the sliding recess of contact pin component；
The operation principle of electric connector of the present invention is：During plug and socket plug together, contact pin component is by retaining ring
It jacking up so that retaining ring is completely embedded into while opening in the positioning groove of plugging hole component inner wall, and keeps this state, with
It plugs together and continues, the slip ring being socketed in the sliding recess of contact pin component is by the active force of retaining ring and to far from retaining ring
One end is slided, and sliding recess forms one section of cavity with retaining ring proximal end, since sliding ring diameter is less than contact pin component diameter, makes lock
Tight ring is shunk, and retaining ring and the positioning groove of slip ring and plugging hole component on contact pin component interfere realization to be locked simultaneously at this time
Function；After plug and socket locking, secondary locking cutting ferrule is entered to the gap of plug and socket end face, the gap of plug and socket
It is filled, can not relatively move again, to realize secondary locking.
When electric connector needs unlock, first the secondary locking card on plug insulator is removed, then by plug and socket
Continue forward to inserting, slip ring can not slide again in distalmost end at this time, and slip ring, which jacks up retaining ring, to be opened, and retaining ring is made
It is completely embedded into the positioning groove of plugging hole component, continues with plugging together, retaining ring will enter the linkage of sliding ring surface
Slip ring is locked in groove, at this time since the interference of plug and socket shell can not be further continued for, to inserting, plug and socket being distinguished
Post-tensioning is detached, and due to the presence for the groove that links, as separation continues, slip ring is moved down in the thrust of retaining ring
The end of dynamic sliding recess can not extremely move again, and the groove that links is designed using unique V-type, retaining ring can be made in certain force
In the case of can deviate from from linkage groove, continue breakaway plug and socket, retaining ring will be transitioned into pin groups from slip ring at this time
On part, you can realize the unlock separation of entire electric connector.
Further, the contact pin component, plugging hole component and/or retaining ring are made of Cu alloy material, alloy material tool
There are higher tensile strength and yield strength, may make electric connector in locking state, improper separating force can reach
10000N or more, far more than general same type, same specification electric connector.
Further, the slip ring is made of stainless steel material.
Further, the plug insulator casing assembly, socket insulator casing assembly and/or secondary locking card are by moulding
Material is made, and selects plastic material that can provide insulation and outer protection function simultaneously, and effectively reduce product weight and cost.
Further, the cross sectional shape of the linkage groove of the slip ring is V-shape.
Compared with prior art, the present invention having advantageous effect below：
The electric connector of the present invention is while promoting traditional high current connector connection reliability, by means of exquisite reasonable
Structure design, make the present invention electric connector compared to same type, same specification product also have it is light-weight, shape is small, operation
Advantage easy, at low cost.
Description of the drawings
Fig. 1 is the partial sectional view of the electric connector of the present invention.
Partial sectional view when Fig. 2 is the electric connector contact pin component of the present invention, plugging hole component is in locking state.
Fig. 3 be the present invention electric connector contact pin component, plugging hole component it is in the unlocked state when partial sectional view.
Reference numeral：
1- plugs, 2- sockets, 3- secondary locking cards, 4- slip rings, 5- retaining rings, 11- contact pin components, the insulation of 12- plugs
Casing assembly, 21- plugging hole components, 22- socket insulative shell members, 41- linkage grooves, 111- sliding recess, 211- positioning are recessed
Slot.
Specific implementation mode
With reference to the embodiment of the present invention, the invention will be further elaborated.
Embodiment：
As shown in Figure 1, a kind of single heavy-current electric connector of high reliability, including plug 1, socket 2, secondary locking card
3, slip ring 4 and retaining ring 5, plug 1 are made of contact pin component 11 and plug insulative shell member 12, and socket 2 is by plugging hole component
21 and socket insulative shell member 22 constitute.
In in plug insulative shell member 12, secondary locking card 3 is socketed on plug 1 11 plugged and fixed of contact pin component,
Offer sliding recess 111 on the side wall of contact pin component 11, slip ring 4 be socketed in the sliding recess 111 of contact pin component 11 and
It opposite contact pin component 11 can slide axially in sliding recess 111, linkage groove 41 is offered on 4 surface of slip ring.
For 21 plugged and fixed of plugging hole component in socket insulative shell member 22, it is recessed that the inner wall of plugging hole component 21 offers positioning
Slot 211, the one side of retaining ring 5 towards slip ring 4 are inclined-plane diagonally downward, and retaining ring 5 is nested in the positioning of plugging hole component 21
In the sliding recess 111 of groove 211 and contact pin component 11.
In use, 11 grafting of contact pin component for connecting cable is first assembled to blending bolt in plug insulative shell member 12
It is fixed, to form plug 1, then 21 grafting of plugging hole component is assembled to blending bolt in socket insulative shell member 22 and is fixed,
To form socket 2.
When needing to plug together plug 1 and socket 2, first by the assembly of secondary locking card 3 on the plugging hole component 21 of plug 1,
Then again by plug 1 and socket 2 to inserting, as shown in Fig. 2, during plug 1 and socket 2 plug together, contact pin component 11 will lock
Ring 5 jacks up so that retaining ring 5 is completely embedded into the positioning groove 211 of 21 inner wall of plugging hole component while opening and keeps this shape
State continues with plugging together, the slip ring 4 being socketed in the sliding recess 111 of contact pin component 11 by retaining ring 5 active force
And to being slided far from 5 one end of retaining ring, sliding recess 111 forms one section of cavity with 5 proximal end of retaining ring, due to 4 diameter of slip ring
Less than 11 diameter of contact pin component, retaining ring 5 is shunk and is stuck in retaining ring 5, at this point, the sliding of retaining ring 5 and contact pin component 11
The positioning groove 211 of ring 4 and plugging hole component 21 is interfered simultaneously, after realizing that locking function, plug 1 and socket 2 are locked, because of two
Secondary locking clamp 3 fills up plug 1 and the gap of socket 2, makes plug 1 and socket 2 that can not generate relative motion in the axial direction, from
And can not unlock, secondary lock can be played the role of.
When needing unlock, first the secondary locking card 3 on contact pin component 11 is removed, then plug 1 and socket 2 is continued past
Preceding to inserting, slip ring 4 can not slide again in distalmost end at this time, and slip ring 4, which first jacks up retaining ring 5, to be opened, and retaining ring 5 is made
It is completely embedded into the positioning groove 211 of plugging hole component 21, continues with plugging together, retaining ring 5 will enter 4 surface of slip ring
Linkage groove 41 in, slip ring 4 is locked, at this point, since plug 1 and socket insulative shell member 22 are interfered, will be unable to again
Continue to inserting, then post-tensioning detaches respectively by plug 1 and socket 2, it specifically can be by socket 2 along the directions A post-tensioning, by plug 1 along B
Direction post-tensioning, as shown in figure 3, continue to detach with plug 1 and socket 2, slip ring 4 under the action of the thrust of retaining ring 5,
Slip ring 4 by slided into the sliding recess 111 of contact pin component 11 one end be tightly attached to sliding recess 111 right side wall and can not
It moving again, linkage 41 unique V-type of groove design makes retaining ring 5 that can deviate from from linkage groove 41 in the case of certain force,
Continue breakaway plug 1 and socket 2, retaining ring 5 will be transitioned into from slip ring 4 on contact pin component 11 at this time, you can realize entire electricity
The unlock of connector detaches.
And in the electric connector of the present invention, such as contact pin component 11, plugging hole component 21, slip ring 4 and retaining ring 5 play locking
The correlated parts of effect are all metal material, and tensile strength and yield strength are higher, and improper separating force can reach
10000N or more, far more than general same type, same specification electric connector.
Preferably, in the present embodiment, contact pin component 11, plugging hole component 21 and retaining ring 5 are made of Cu alloy material, sliding
Rotating ring 4 is made of stainless steel material.
Specifically, slip ring 4 is C fonts, and its inner surface being in contact with contact pin component 11 is smooth；Retaining ring 5
Also be C fonts, be made of Copper alloy material, therefore have elasticity, can opening and closing repeatedly, be total key zero
Component.Wherein, the cross sectional shape of the linkage groove 41 of slip ring 4 is V-shape.
1 insulator shell component of plug, 2 insulator shell component of socket and secondary locking card 3 are made of plastics, and select modeling
Material material can provide insulation and outer protection function simultaneously, and effectively reduce product weight and cost, meanwhile, plastic material
Secondary locking card 3 be preferably designed for C fonts, can easily unarmed assembly or disassembly.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (5)
1. a kind of single heavy-current electric connector of high reliability, which is characterized in that include plug (1), socket (2), secondary lock
Tight card (3), slip ring (4) and retaining ring (5), the plug (1) is by contact pin component (11) and plug insulative shell member (12)
It constituting, the socket (2) is made of plugging hole component (21) and socket insulative shell member (22), wherein；
For contact pin component (11) plugged and fixed in plug insulative shell member (12), secondary locking card (3) is socketed in plug
(1) on, sliding recess (111) is offered on the side wall of contact pin component (11), slip ring (4) is socketed on contact pin component (11)
It in sliding recess (111) and opposite contact pin component (11) can slide axially in sliding recess (111), on slip ring (4) surface
Offer linkage groove (41)；
In socket insulative shell member (22), the inner wall of plugging hole component (21) offers plugging hole component (21) plugged and fixed
Positioning groove (211), the one side of retaining ring (5) towards slip ring (4) are inclined-plane diagonally downward, under working condition, retaining ring
(5) it is nested in the positioning groove (211) of plugging hole component (21) and the sliding recess (111) of contact pin component (11).
2. a kind of single heavy-current electric connector of high reliability according to claim 1, which is characterized in that the contact pin
Component (11), plugging hole component (21) and/or retaining ring (5) are made of Cu alloy material.
3. a kind of single heavy-current electric connector of high reliability according to claim 1, which is characterized in that the sliding
Ring (4) is made of stainless steel material.
4. a kind of single heavy-current electric connector of high reliability according to claim 1, which is characterized in that the plug
(1) insulator shell component, socket (2) insulator shell component and/or secondary locking card (3) are made of plastics.
5. a kind of single heavy-current electric connector of high reliability according to claim 1, which is characterized in that the sliding
The cross sectional shape of the linkage groove (41) of ring (4) is V-shape.
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 true CN108521047A (en) | 2018-09-11 |
| CN108521047B CN108521047B (en) | 2023-08-04 |
Family
ID=63431685
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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020099889A1 (en) * | 2018-11-16 | 2020-05-22 | Zodiac Interconnect Uk Limited | A telescopic connector |
| CN111430963A (en) * | 2020-04-02 | 2020-07-17 | 深圳市泛玛科技有限公司 | High-current connector |
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 |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020099889A1 (en) * | 2018-11-16 | 2020-05-22 | Zodiac Interconnect Uk Limited | A telescopic connector |
| WO2020099881A1 (en) * | 2018-11-16 | 2020-05-22 | Zodiac Interconnect Uk Limited | An electrical connector |
| CN111430963A (en) * | 2020-04-02 | 2020-07-17 | 深圳市泛玛科技有限公司 | High-current connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108521047B (en) | 2023-08-04 |
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