CN108832388B - High voltage interlocking connector - Google Patents

High voltage interlocking connector Download PDF

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Publication number
CN108832388B
CN108832388B CN201810401777.7A CN201810401777A CN108832388B CN 108832388 B CN108832388 B CN 108832388B CN 201810401777 A CN201810401777 A CN 201810401777A CN 108832388 B CN108832388 B CN 108832388B
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CN
China
Prior art keywords
push
pull ring
plug
tab
spring piece
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Active
Application number
CN201810401777.7A
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Chinese (zh)
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CN108832388A (en
Inventor
李桥飞
陶刚
黄宏图
戴小杰
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Amphenol PCD Shenzhen Co Ltd
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Amphenol PCD Shenzhen Co Ltd
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Publication date
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Priority to CN201810401777.7A priority Critical patent/CN108832388B/en
Publication of CN108832388A publication Critical patent/CN108832388A/en
Application granted granted Critical
Publication of CN108832388B publication Critical patent/CN108832388B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • H01R13/6276Snap or like fastening comprising one or more balls engaging in a hole or a groove
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention discloses a high-voltage interlocking connector which comprises a socket, a plug, a push-pull ring and a retaining spring piece, wherein the socket is provided with a plug-in part; the plug is provided with an inserting cavity, and the inserting part is inserted into the inserting cavity; the push-pull ring is sleeved on the outer peripheral surface of the plug, and is fixedly connected with the socket and the plug through the push-pull ring; the anti-return spring piece is fixed on the push-pull ring, the clamping groove is formed in the plug, a buckle is convexly arranged at one end of the anti-return spring piece, the push-pull ring is limited by the buckle and the buckle of the clamping groove, a protrusion is arranged on the push-pull ring and is abutted with the anti-return spring piece, and the buckle is lifted from the clamping groove to release the limit of the push-pull ring by pressing the other end of the anti-return spring piece. The retaining spring piece and the push-pull ring form double locking to the socket and the plug, so that the socket is very reliable; the other end of the retaining spring piece is tilted, so that the locking of the retaining spring piece to the push pull ring can be released, and the operation is simple.

Description

High voltage interlocking connector
Technical Field
The present invention relates to connectors, and more particularly to high voltage interlock connectors.
Background
At present, the high-voltage connector on the market is simple in structure, the locking state has the hidden danger of retreating and loosening, the safety is lower in the use process of the connector, and the damage to people or machines caused by high voltage possibly exists in the use process.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to prevent the push-pull ring from backing and loosening.
The invention adopts the following technical scheme:
the high-voltage interlocking connector comprises a socket, a plug, a push pull ring and a retaining spring piece, wherein the socket is provided with a plug-in part; the plug is provided with an inserting cavity, and the inserting part is inserted into the inserting cavity; the push-pull ring is sleeved on the outer peripheral surface of the plug, and is fixedly connected with the socket and the plug through the push-pull ring; the anti-return spring piece is fixed on the push-pull ring, the clamping groove is formed in the plug, a buckle is convexly arranged at one end of the anti-return spring piece, the push-pull ring is limited by the buckle and the buckle of the clamping groove, a protrusion is arranged on the push-pull ring and is abutted with the anti-return spring piece, and the buckle is lifted from the clamping groove to release the limit of the push-pull ring by pressing the other end of the anti-return spring piece.
Further, a containing groove is formed in the push-pull ring and is communicated with the outer surface of the push-pull ring and the outer surface of the plug, the containing groove is used for embedding the anti-back spring piece, and the protrusion is convexly arranged on the side wall surface of the containing groove.
Further, the anti-return spring piece comprises a first spring piece and a second spring piece which are arranged in parallel, and further comprises a connecting piece which is connected with one end of the first spring piece and one end of the second spring piece, one end, away from the connecting piece, of the first spring piece is fixed on the push-pull ring, and the buckle is arranged on one end, away from the connecting piece, of the second spring piece.
The outer surface of the end, close to the connecting piece, of the second elastic piece is parallel to the central axis of the plug.
The second elastic sheet protrudes out of the accommodating groove.
The first elastic sheet is fixed on the outer surface of the push-pull ring through a rivet.
A circle of through groove is formed in the wall surface of the plug, corresponding to the push-pull ring, a circle of movable limiting piece is arranged in the through groove, a circle of through groove is formed in the outer peripheral surface of the plug-in part, corresponding to the through groove, and a C-shaped clamping ring is arranged in the annular groove.
The through holes are formed in a circle of through holes which are arranged at intervals, and the movable limiting parts are formed into marbles which correspond to the through holes one by one.
The through holes are uniformly distributed along the circumferential direction of the outer circumferential surface of the plug.
The inner wall surface of the push-pull ring is convexly provided with a travel limiting piece, and the outer circumferential surface of the plug is provided with a travel limiting groove.
Compared with the prior art, the invention has the beneficial effects that: by arranging the retaining spring piece on the push-pull ring, one end of the retaining spring piece is clamped with the plug, the retaining spring piece plays a role in locking the push-pull ring, and the retaining spring piece and the push-pull ring form double locking on the socket and the plug, so that the plug is very reliable. And through pressing one end of the retaining elastic piece, the other end of the retaining elastic piece is lifted, so that the locking of the retaining elastic piece to the push-pull ring can be released, and the operation is simple.
Drawings
FIG. 1 is a schematic view of a high voltage interlock connector according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 along an axial direction;
FIG. 3 is a schematic cross-sectional view of FIG. 1 in a radial direction;
FIG. 4 is a schematic cross-sectional view of a plug and push-pull ring;
fig. 5 is a schematic view of the structure of the plug and the push-pull ring.
In the figure:
1. a plug; 10. an annular groove; 11. a plug-in part; 12. a flange; 2. a socket; 201. a plug cavity; 202. a through hole; 203. a travel limit groove; 204. a clamping groove; 32. a slip preventing protrusion; 3. pushing the pull ring; 30. a receiving groove; 31. a travel limit rivet; 32. a slip preventing protrusion; 33. a supporting protrusion; 304. fixing a rivet; 4. a retaining spring plate; 41. a first elastic sheet; 42. a second spring plate; 43. a connecting sheet; 410. pressing a plane; 421. and (5) a buckle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
The invention provides a high-voltage interlocking connector, please refer to fig. 1-3, the high-voltage interlocking connector comprises a socket 2 and a plug 1, the plug 1 is provided with an inserting cavity 201, the socket 2 is provided with an inserting part, the inserting part is inserted into the inserting part, a circle of through holes 202 which are arranged at intervals are arranged on the wall surface of the plug 1, each through hole 202 is embedded with a marble, an annular groove 10 is arranged on the outer peripheral surface of the socket 2 corresponding to the circle of through holes 202, a C-shaped snap ring is arranged between the bottom of the annular groove 10 and the marble, the C-shaped snap ring has stretching tension, a push-pull ring 3 is sleeved on the outer peripheral surface of the plug 1, when the push-pull ring 3 is pressed on the marble, the marble is radially inwards pressed on the C-shaped snap ring, the marble is partially embedded into the annular groove 10, and is partially embedded into the through holes 202, so that the dislocation of the socket 2 and the plug 1 is limited. When the push-pull ring 3 retreats in a direction away from the socket 2, the push-pull ring 3 does not press the marble any more, the C-shaped snap ring naturally releases outwards along the radial direction, the marble is extruded out of the annular groove 10, the socket 2 and the plug 1 are not limited by the marble, and therefore the socket 2 can be pulled out of the plug 1.
Preferably, the through holes 202 are uniformly distributed along the circumferential direction of the plug 1, so that the connection of the push-pull ring 3 and the plug 1 is uniformly stressed in all directions, and the push-pull ring and the plug are stable in structure and convenient to position and process.
The inner wall surface of the push pull ring 3 is convexly provided with a travel limit rivet 31, and the outer circumferential surface of the plug 1 is provided with a travel limit groove 203, so that the push pull ring 3 has a travel limit in the moving process. In addition to the travel limit rivet 31, any shape travel limit member may be protruded on the inner wall surface of the push-pull ring 3 to perform a limit function.
In addition to the through holes 202 formed at intervals, a circle of through groove can be formed in the plug 1, a circle of movable limiting piece is arranged in the through groove, when the push-pull ring 3 is pressed on the movable limiting piece, the movable limiting piece is further radially inwards pressed on the C-shaped clamping ring, the C-shaped clamping ring is compressed, the movable limiting piece is partially embedded in the annular groove 10, and meanwhile, the movable limiting piece is partially embedded in the through groove, so that the dislocation of the socket 2 and the plug 1 is limited. When the push-pull ring 3 retreats in the direction away from the socket 2, the push-pull ring 3 does not press the movable limiting piece any more, the C-shaped clamping ring is naturally released outwards in the radial direction, the movable limiting piece is extruded out of the annular groove 10, the socket 2 and the plug 1 are not limited by the movable limiting piece, and therefore the socket 2 can be pulled out of the plug 1.
The outer circumferential surface of the push pull ring 3 is convexly provided with a plurality of anti-slip protrusions 32, the plurality of anti-slip protrusions 32 are arranged in a row along the radial direction of the push pull ring 3, and the plurality of rows of anti-slip protrusions 32 are uniformly arranged along the circumferential direction of the outer circumferential surface of the push pull ring 3.
The outer peripheral surface of the socket 2 is convexly provided with a circle of flange 12 for connecting with external equipment.
Referring to fig. 3-5, a slot 204 is formed on the plug 1, a receiving groove 30 is formed on the push-pull ring 3, the receiving groove 30 is communicated with the outer surface of the push-pull ring 3 and the outer surface of the plug 1, a retaining spring piece 4 is fixedly connected to the push-pull ring 3, the retaining spring piece 4 includes two first spring pieces 41 and second spring pieces 42 arranged in parallel, a connecting piece 43 is further included to connect one end of the first spring piece 41 and one end of the second spring piece 42, one end of the first spring piece 41 away from the connecting piece 43 is fixed on the outer peripheral surface of the push-pull ring 3 through a fixing rivet 304, the upper end surface of the first spring piece 41 protrudes out of the receiving groove 30, the second spring piece 42 is received in the receiving groove 30, a buckle 421 is protruding on one end of the second spring piece 42 away from the connecting piece 43, and the buckle 421 is abutted by one side wall of the clamping groove 204 away from the plug interface, so that the push-pull ring 3 is limited to move to one side away from the plug interface, and double locking between the plug 1 and the socket 2 is formed. The supporting protrusion 33 is arranged on the side wall of the accommodating groove 30 corresponding to the second elastic piece 42, the supporting protrusion 33 props against the middle part of the second elastic piece 42, one end of the second elastic piece 42, which is close to the connecting piece 43, is pressed towards the direction of the clamping groove 204, leverage is generated under the abutting action of the supporting protrusion 33, one end of the first elastic piece 41, which is far away from the connecting piece 43, is lifted, and the buckle 421 is ejected from the clamping groove 204, so that limit release is realized. Therefore, the limit of the retaining spring piece 4 to the push-pull ring 3 can be released by pressing one end of the second spring piece 42 close to the connecting piece 43. So that the retaining spring 4 locks the push-pull ring 3, and the retaining spring 4 and the push-pull ring 3 form double locking for the socket 2 and the plug 1.
Instead of fixing the first spring plate 41 to the push-pull ring 3 by means of the fixing rivet 304, it is also possible to fix the first spring plate by any other means, such as bolts or welding. The first elastic piece 41 may be fixed on the outer peripheral surface of the push-pull ring 3, or may be fixedly connected to any position of the push-pull ring 3, for example, a side wall surface of the accommodating groove 30.
The end provided with the buckle 421 on the anti-return spring piece 4 can also protrude out of the push-pull ring 3 towards the side of the push-pull ring 3 away from the socket 2, the buckle 421 is positioned on the side of the push-pull ring 3 away from the socket 2, and the supporting point formed by the protrusion can be formed on the push-pull ring 3 or the plug 1.
The outer surface of the first elastic piece 41 near one end of the connecting piece 43, i.e., the pressing end, is formed into a pressing plane 410, so that pressing is facilitated, and the other part is inclined with respect to the central axis of the plug 1.
The first elastic piece 41 may be lower than the opening of the accommodating groove 30, i.e., lower than the outer circumferential surface of the push-pull ring 3.
The plug-in part of the socket 2 is formed into a double layer, a plug-in groove is formed at intervals on the double-layer plug-in part, a jogged part is formed in the inner cavity of the plug 1, and when the socket 2 and the plug 1 are plugged in, the jogged part is plugged in the plug-in groove. So that the connection between the socket 2 and the plug 1 is tighter. An annular groove 10 is formed on the outer peripheral surface of one layer outside the insertion portion.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (9)

1. A high voltage interlock connector, comprising:
the socket is provided with a plug-in part;
the plug is provided with an inserting cavity, and the inserting part is inserted into the inserting cavity;
the push-pull ring is sleeved on the outer peripheral surface of the plug, and the socket and the plug are fixed through the push-pull ring;
the anti-return spring piece is fixed on the push-pull ring, a clamping groove is formed in the plug, a buckle is convexly arranged at one end of the anti-return spring piece, the push-pull ring is limited by the buckle and the buckle of the clamping groove, a bulge is arranged on the push-pull ring and is abutted with the anti-return spring piece, one end of the anti-return spring piece is tilted by pressing the other end of the anti-return spring piece, and therefore the buckle is tilted from the clamping groove to release the limit of the anti-return spring piece on the push-pull ring;
the push-pull ring is provided with a containing groove which is communicated with the outer surface of the push-pull ring and the outer surface of the plug, the containing groove is used for embedding the backstop elastic sheet, the bulge is convexly arranged on the side wall surface of the containing groove, and the clamping groove corresponds to the containing groove;
the outer peripheral surface of the push-pull ring is convexly provided with a plurality of anti-skidding protrusions, the plurality of anti-skidding protrusions are arranged in a row along the radial direction of the push-pull ring, and a plurality of rows of anti-skidding protrusions are uniformly arranged along the circumferential direction of the outer peripheral surface of the push-pull ring.
2. The high voltage interlock connector of claim 1 wherein the retaining tab comprises two first and second tabs disposed in parallel, and further comprising a tab connecting one end of the first tab to one end of the second tab, one end of the first tab distal from the tab being secured to the push tab, and the catch being disposed on one end of the second tab distal from the tab.
3. The high voltage interlock connector of claim 2 wherein an outer surface of the second spring adjacent one end of the connecting tab is parallel to a central axis of the plug.
4. The high-voltage interlock connector according to claim 2, wherein an end of the second spring plate near the connecting piece protrudes out of the accommodating groove.
5. The high voltage interlock connector of claim 2 wherein the first spring tab is secured to the outer surface of the push-pull tab by a rivet.
6. The high-voltage interlocking connector according to any one of claims 1 to 5, wherein a circle of through grooves are formed in the wall surface of the plug corresponding to the push-pull ring, a circle of movable limiting parts are arranged in the through grooves, annular grooves are formed in the outer peripheral surface of the plug-in part corresponding to the through grooves, and C-shaped clamping rings are arranged in the annular grooves.
7. The high voltage interlock connector of claim 6 wherein said through-holes are formed as a circle of spaced apart through-holes and said movable stop is formed as a ball in one-to-one correspondence with said through-holes.
8. The high-voltage interlock connector of claim 7 wherein the through holes are evenly distributed along the circumference of the outer peripheral surface of the plug.
9. The high-voltage interlocking connector according to claim 1, wherein a stroke limiting member is convexly arranged on the inner wall surface of the push-pull ring, and a stroke limiting groove is formed on the outer peripheral surface of the plug.
CN201810401777.7A 2018-04-28 2018-04-28 High voltage interlocking connector Active CN108832388B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810401777.7A CN108832388B (en) 2018-04-28 2018-04-28 High voltage interlocking connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810401777.7A CN108832388B (en) 2018-04-28 2018-04-28 High voltage interlocking connector

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Publication Number Publication Date
CN108832388A CN108832388A (en) 2018-11-16
CN108832388B true CN108832388B (en) 2024-01-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113422258B (en) * 2021-08-24 2021-11-26 深圳市德兰明海科技有限公司 Connector and electronic equipment

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690569A1 (en) * 1992-04-23 1993-10-29 Souriau & Cie Mechanically interlocking push-pull electrical connector - has ball on sleeve of one connector moving radially into groove in second connector to be latched by spring-loaded locking ring.
CN1599149A (en) * 2003-02-07 2005-03-23 希佩尔特罗尼克斯公司 Connecting device
CN101447625A (en) * 2008-09-12 2009-06-03 中航光电科技股份有限公司 Front unload difference contact pair pin, socket and plug
DE102010045042A1 (en) * 2010-04-28 2011-11-03 Amphenol-Tuchel Electronics Gmbh Electrical connector, in particular round connector
CN204481245U (en) * 2015-03-23 2015-07-15 四川瑞可达连接系统有限公司 The plug-type connector of a kind of kayser secondary locking
CN204947224U (en) * 2015-08-14 2016-01-06 上海雷迪埃电子有限公司 Movable compression leg and use the large tolerance quick plug locking radio frequency (RF) coaxial connector of this movable compression leg
CN105811146A (en) * 2016-05-23 2016-07-27 安费诺精密连接器(深圳)有限公司 High-voltage interlock connector
CN106654724A (en) * 2016-11-21 2017-05-10 中航光电科技股份有限公司 Secondary locking mechanism, and plug end locking structure and socket end locking structure thereof
CN106972320A (en) * 2017-04-07 2017-07-21 深圳市土川投资管理有限公司 A kind of secondary locker safeguards system of connector
CN206364324U (en) * 2016-12-08 2017-07-28 沈阳兴华华亿轨道交通电器有限公司 A kind of high-voltage interlocking shaped plastics electric connector
CN107431307A (en) * 2015-03-04 2017-12-01 浩亭电子有限公司 Umbilical connector with plug keeper
CN208299137U (en) * 2018-04-28 2018-12-28 安费诺精密连接器(深圳)有限公司 High-voltage interlocking connector

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690569A1 (en) * 1992-04-23 1993-10-29 Souriau & Cie Mechanically interlocking push-pull electrical connector - has ball on sleeve of one connector moving radially into groove in second connector to be latched by spring-loaded locking ring.
CN1599149A (en) * 2003-02-07 2005-03-23 希佩尔特罗尼克斯公司 Connecting device
CN101447625A (en) * 2008-09-12 2009-06-03 中航光电科技股份有限公司 Front unload difference contact pair pin, socket and plug
DE102010045042A1 (en) * 2010-04-28 2011-11-03 Amphenol-Tuchel Electronics Gmbh Electrical connector, in particular round connector
CN107431307A (en) * 2015-03-04 2017-12-01 浩亭电子有限公司 Umbilical connector with plug keeper
CN204481245U (en) * 2015-03-23 2015-07-15 四川瑞可达连接系统有限公司 The plug-type connector of a kind of kayser secondary locking
CN204947224U (en) * 2015-08-14 2016-01-06 上海雷迪埃电子有限公司 Movable compression leg and use the large tolerance quick plug locking radio frequency (RF) coaxial connector of this movable compression leg
CN105811146A (en) * 2016-05-23 2016-07-27 安费诺精密连接器(深圳)有限公司 High-voltage interlock connector
CN106654724A (en) * 2016-11-21 2017-05-10 中航光电科技股份有限公司 Secondary locking mechanism, and plug end locking structure and socket end locking structure thereof
CN206364324U (en) * 2016-12-08 2017-07-28 沈阳兴华华亿轨道交通电器有限公司 A kind of high-voltage interlocking shaped plastics electric connector
CN106972320A (en) * 2017-04-07 2017-07-21 深圳市土川投资管理有限公司 A kind of secondary locker safeguards system of connector
CN208299137U (en) * 2018-04-28 2018-12-28 安费诺精密连接器(深圳)有限公司 High-voltage interlocking connector

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