CN114678745B - Self-locking connector - Google Patents

Self-locking connector Download PDF

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Publication number
CN114678745B
CN114678745B CN202210275896.9A CN202210275896A CN114678745B CN 114678745 B CN114678745 B CN 114678745B CN 202210275896 A CN202210275896 A CN 202210275896A CN 114678745 B CN114678745 B CN 114678745B
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CN
China
Prior art keywords
locking
sleeve
self
ball
plug
Prior art date
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Active
Application number
CN202210275896.9A
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Chinese (zh)
Other versions
CN114678745A (en
Inventor
江浪
范海淘
庞卓
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China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology Co Ltd
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Filing date
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Priority to CN202210275896.9A priority Critical patent/CN114678745B/en
Publication of CN114678745A publication Critical patent/CN114678745A/en
Application granted granted Critical
Publication of CN114678745B publication Critical patent/CN114678745B/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
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/005Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
    • 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
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H01R13/6275Latching arms not integral with the housing

Landscapes

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

Abstract

The invention relates to a self-locking connector, which comprises a plug and a socket, wherein the socket comprises a socket shell, and a locking groove is formed in the periphery of the socket shell; the plug comprises a plug shell, a fixed sleeve and a locking sleeve, wherein a ring groove and a second ring groove are formed in the outer side Zhou Shedi of the plug shell, a first locking ball and a second locking ball are arranged on the fixed sleeve, and a compression elastic piece is further arranged between the plug shell and the fixed sleeve; the locking sleeve is provided with a first locking position and a second locking position, when the locking sleeve is positioned in the second locking position, the first locking ball is limited in the locking groove by the locking sleeve, the second locking ball is released, the second locking ball moves from the first annular groove to the second annular groove under the action of the compression elastic piece, and meanwhile, the first locking ball moves to a position axially blocked with the groove wall of the locking groove; when in the first locking position, the first locking ball releases the radial locking limit. When the locking device is inserted, the locking device can be automatically locked by only providing initial power for the locking piece to reach the second locking position.

Description

Self-locking connector
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a self-locking connector.
Background
When the connector is used, the external force cannot be manually applied in the plugging process of the connector due to limited space in the vacuum furnace, zero plugging force is required to be realized, and the sealing function is required to be realized after plugging.
In addition, in an environment with a narrow space and difficult operation, the requirement of manual operation for plugging the connector cannot be met. The conventional connector can be plugged and locked only by applying a certain pushing force or torque to the plug in the process of butting and always keeping the existence of the external force in the process of plugging.
Therefore, how to realize zero-insertion-force automatic insertion locking of the connector in a narrow space or realize insertion-locking self-locking under only one initial power is a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides the self-locking connector with the novel structure, which can realize the self-locking of the plug-in under the self-gravity or the initial external force and meet the operation requirement of a narrow space.
The aim and the technical problems of the invention are realized by adopting the following technical proposal. The self-locking connector comprises a plug and a socket, wherein the front ends of the plug and the socket are inserted into each other, the socket comprises a socket shell, and a locking groove extending along the axial direction is formed in the periphery of the socket shell; the plug comprises a plug shell, a fixed sleeve sleeved on the periphery of the plug shell in a sliding manner and a locking sleeve sleeved on the periphery of the fixed sleeve in a sliding manner, wherein a first annular groove and a second annular groove are formed in the periphery of the plug shell at intervals from front to back along the axial direction, a first locking ball and a second locking ball are arranged on the fixed sleeve at intervals from front to back along the axial direction, and a compression elastic piece is further arranged between the plug shell and the fixed sleeve; the locking sleeve is provided with a first locking position and a second locking position in the sliding stroke, when the locking sleeve is positioned in the second locking position, the first locking ball is limited in the locking groove by the locking sleeve, the second locking ball for releasing radial locking limit moves from the first annular groove to the second annular groove under the action of the compression elastic piece, and the first locking ball moves to a position axially blocked with the groove wall of the locking groove; when the locking sleeve is positioned at the first locking position, the second locking ball is limited in the first annular groove or the second annular groove, the avoidance groove is positioned at the outer side of the first locking ball, and the radial locking limitation of the first locking ball is released.
The aim and the technical problems of the invention can be further realized by adopting the following technical measures.
The self-locking connector is characterized in that the end surfaces of the plug shell and the socket shell are in contact, the contact end surfaces of the plug shell and the socket shell are also provided with sealing rings, and the plug shell compresses the sealing rings on the socket shell under the action of the compression elastic piece.
When the plug is vertically placed above the socket, the locking sleeve can move from the first locking position to the second locking position under the action of gravity, so that zero-insertion force self-locking between the plug and the socket is realized.
In the self-locking connector, the first locking balls and the second locking balls are uniformly distributed along the circumferential direction.
In the aforementioned self-locking connector, the compression elastic member is a compression spring, one end of the compression spring is pressed on the protruding rear end face of the outer periphery of the plug housing, the other end is pressed on the stepped face of the inner periphery of the fixing sleeve, and the compression spring is located at the front end of the first annular groove.
In the self-locking connector, the outer periphery of the fixing sleeve is also provided with the limiting piece which can stay at the first locking position when the locking sleeve moves backwards in the axial direction.
In the self-locking connector, the limiting piece is a retainer ring assembled in the outer Zhou Huancao of the fixed sleeve.
In the self-locking connector, the locking sleeve is matched with the concave-convex structure between the fixed sleeve and the socket shell so as to move forwards in the axial direction to stay in the second locking position.
In the self-locking connector, the outer periphery of the fixing sleeve is provided with the axial backward limiting surface, the inner periphery of the rear end of the locking sleeve is provided with the locking table for limiting the second locking ball, and the front end surface of the locking table is matched with the limiting surface to enable the locking sleeve to stay on the second locking position.
In the self-locking connector, the locking sleeve is further provided with a pin hole, and the pin penetrating through the pin hole can enable the locking sleeve to be locked at the first locking position when the locking ball is locked with the first annular groove.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve quite technical progress and practicability, has wide industrial application value, and has at least the following advantages:
the plug is locked and unlocked by the locking piece on the plug, the sealing is realized by the spring, the locking ball and the sealing ring, the locking and sealing functions can be realized by only providing initial power for the locking piece from the first locking position to the second locking position in the whole plugging process, and when the plug is vertically placed above the socket, the initial power is only the gravity of the locking piece, namely, the self-locking of zero plugging force can be realized during vertical plugging, the structure is simple, the plugging is convenient, and the use requirement of a narrow space can be met.
Drawings
FIG. 1 is a schematic view of the self-locking connector of the present invention;
FIG. 2 is a schematic view of the present invention when the self-locking connector is initially inserted;
FIG. 3 is a schematic illustration of the process of plugging the self-locking connector of the present invention;
FIG. 4 is a schematic illustration of the self-locking connector of the present invention inserted into place;
FIG. 5 is a schematic view of the present invention with the connector unlocked and separated from the locked position;
FIG. 6 is a schematic view of the self-locking connector of the present invention fully disengaged;
FIG. 7 is a schematic view of a first step of resetting a self-locking connector plug of the present invention;
FIG. 8 is a schematic diagram of a second step of resetting the self-locking connector plug of the present invention;
fig. 9 is a schematic diagram of the self-locking connector plug of the present invention fully reset.
[ Main element symbols description ]
1: plug shell
2: fixing sleeve
3: locking sleeve
4: compression spring
5: sealing ring
6: first locking ball
7: second locking ball
8: limiting surface
9: locking table
10: avoidance groove
11: first ring groove
12: second ring groove
13: retainer ring
14: pin hole
15: socket shell
16: lock groove
Detailed Description
In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects of the self-locking connector according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-9, the self-locking connector of the present invention includes a plug and a socket with opposite insertion ends, wherein the plug includes a plug housing 1, a fixed sleeve 2 slidably sleeved on the outer periphery of the plug housing 1, and a locking sleeve 3 slidably sleeved on the outer periphery of the fixed sleeve 2, wherein a first annular groove 11 and a second annular groove 12 are disposed on the outer periphery of the plug housing 1 and are distributed along the axial direction, at least two of the first annular groove 11 and the second annular groove 12 are distributed along the circumferential direction, and in the embodiment of the present invention, the first annular groove 11 and the second annular groove 12 are all three uniformly distributed along the circumferential direction.
The fixed sleeve 2 is respectively embedded with a first locking ball 6 and a second locking ball 7 from front to back along the axial direction of the fixed sleeve, when the second locking ball 7 can be locked with the first annular groove 11 or the second annular groove 12 in an adaptive manner, and when the second locking ball 7 reaches the corresponding position of the first annular groove 11 or the second annular groove 12, the second locking ball 7 can be embedded into the annular groove under the extrusion of the locking sleeve sleeved outside the fixed sleeve 2, so that the locking between the plug shell 1 and the fixed sleeve 2 is realized.
A compression elastic piece 4 is further arranged between the plug housing 1 and the fixed sleeve 2, the compression elastic piece 4 provides axial forward power for the plug housing 1, and provides axial backward power for the fixed sleeve 2, so that the plug housing 1 and the fixed sleeve 2 can move relatively when the second locking ball 7 is unlocked. In the embodiment of the present invention, the compression elastic member 4 is a compression spring, one end of the compression spring is pressed against the rear end face of the boss on the outer periphery of the plug housing 1, the other end is pressed against the stepped surface on the inner periphery of the fixed sleeve 2, and the compression spring is located at the front side of the first annular groove 11, that is, in the axial direction of the fixed sleeve 2, the compression spring, the first annular groove 11 and the second annular groove 12 are sequentially arranged from front to back, but not limited thereto.
The inner side of the front end of the locking sleeve 3 is provided with an avoidance groove 10 for the first locking ball 6 to enter partially so as to realize radial movement of the first locking ball 6. When the second locking ball 7 is limited in the first annular groove or the second annular groove by the locking sleeve 3, namely, the locking sleeve 3 is positioned at the first locking position, the avoiding groove 10 is positioned outside the first locking ball 6, and the first locking ball 6 is not radially locked and limited.
The outer circumference of the socket housing 15 is provided with a locking groove 16 for being locked with the first locking ball 6 in an adapting way, and the length of the locking groove 16 extending along the axial direction is not smaller than the interval between the first annular groove 11 and the second annular groove 12, so that the first locking ball 6 is always limited in the locking groove 16 by the locking sleeve in the process that the fixing sleeve 2 drives the second locking ball 7 to enter the second annular groove 12 from the first annular groove 11 under the driving of the compression elastic piece 4. When the second locking ball 7 reaches the position of the second ring groove 12, the first locking ball 6 moves to the end of the locking groove along the locking groove 16, so that the locking between the fixed sleeve and the socket shell 15 is realized, and at the moment, the plug shell 1 is limited with the axial direction of the socket shell 15 under the action of the compression elastic piece 14.
In the embodiment of the invention, the plug housing 1 is in contact with the end surface of the socket housing 15, and the sealing ring 5 is embedded on the contact end surface of the plug housing 1 and the socket housing 15, and under the action of the compression elastic piece 4, the sealing ring 5 is pressed between the end surfaces of the plug housing 1 and the socket housing 15, so that the sealing between the plug housing 1 and the socket housing 15 is realized. Preferably, the sealing ring 5 is located in a groove on the front end face of the plug housing 1, but is not limited thereto.
The fixed sleeve 2 and the locking sleeve 3 are also matched through concave-convex structures to limit axial relative displacement, so that when the locking sleeve 3 moves backwards to be axially limited, the avoidance groove 10 at the front end of the locking sleeve can reach the position of the first locking ball 6, the first locking ball 6 can move outwards in a radial direction and is separated from the locking groove 15, and unlocking between the fixed sleeve 2 and the socket shell 15 is realized; when the locking sleeve 3 moves forwards to be axially limited, the inner periphery of the locking sleeve 3 is far away from the second locking ball 7, and unlocking of the locking ball 7, the second annular groove 12 and the first annular groove 11 can be achieved.
In the embodiment of the invention, the outer periphery of the fixed sleeve 2 is provided with an axial backward limiting surface 8, the inner periphery of the rear end of the locking sleeve 3 is provided with a locking table 9, and the inner periphery of the locking table 9 is used for being matched with the second locking ball 7 to realize the locking of the second locking ball 7 in the first annular groove 11 or the second annular groove 12. The front end surface of the locking sleeve 9 is matched with the limiting surface 8, so that the limiting of the axial forward movement of the fixed sleeve 2 is realized.
In another embodiment of the present invention, the locking sleeve 3 is engaged with the protrusion on the outer circumference of the socket housing 15 through the front end surface thereof to limit the forward movement in the axial direction, but is not limited thereto.
The fixed sleeve 2 realizes the limit of the axial backward movement of the locking sleeve 3 through a retainer ring 13 embedded on the outer periphery of the fixed sleeve.
The pin hole 14 is arranged on the locking sleeve 3, a pin penetrating through the pin hole 14 can limit the locking sleeve to a position matched with the retainer ring 13 in a blocking way, at the moment, the second locking ball 7 is locked with the first annular groove 11, and the whole plug 1 is stable.
When the connector is vertically inserted, the connector can realize zero insertion force self-locking, and the specific process is as follows: the plug 1 is placed on the socket 2, at this time, the locking sleeve 3 is located at the first locking position, the second locking ball 7 is limited in the first annular groove 11 by the locking sleeve, and the first locking ball is located in the locking groove and can move radially towards the avoidance groove. The pin is pulled down, the locking of the locking sleeve 3 is released, the locking sleeve 3 after the unlocking moves downwards from a first locking position to a second locking position under the action of gravity, at the moment, the avoiding groove 10 at the front end of the locking sleeve 3 leaves the position of the first locking ball 6, and the locking sleeve 3 limits the first locking ball 6 in the locking groove 16; meanwhile, the locking balls 7 positioned at the first annular groove 11 are released by the locking sleeve 3, the fixed sleeve 2 and the plug housing 1 relatively move under the action of the compression elastic piece 4, so that a sealing ring between the plug housing 1 and the socket housing 15 is compressed, meanwhile, the fixed sleeve 2 drives the second locking balls 7 to move from the first annular groove 11 to the second annular groove 12, and the first locking balls 6 move upwards to a position limited by the axial direction of the groove wall along the locking groove 16, so that self-tightening locking of the plug and the socket is realized.
When the plug 1 and the socket 2 are inserted in a non-vertical way, the self-sealing locking of the plug 1 and the socket 2 can be realized only by applying an initial force to the locking sleeve 3 to enable the locking sleeve to reach the second locking position.
When the connector needs to be separated, the first locking ball 6 can be released only by pulling the locking sleeve to return to the first locking position from the second locking position, and at the moment, the second locking ball 7 is restrained into the second annular groove, and the plug and the socket can be separated by pulling the locking sleeve continuously.
Pushing the locking sleeve 3 to release the second locking ball 7, and pushing the plug housing 1 or the fixed sleeve 2 to enable the first annular groove 11 of the plug housing 1 to move to the second locking ball 7 of the fixed sleeve 2; the locking sleeve 3 is pushed to the first locking position again, the second locking ball 7 is restrained in the first annular groove 11, reset is completed, and finally, a pin is penetrated into a pin hole on the locking sleeve 3, so that the locking sleeve can be kept at the first locking position.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.

Claims (10)

1. A self-locking connector comprising a plug and a socket with front ends plugged in opposite directions, characterized in that: the socket comprises a socket shell, and a locking groove extending along the axial direction is formed in the periphery of the socket shell; the plug comprises a plug shell, a fixed sleeve sleeved on the periphery of the plug shell in a sliding manner and a locking sleeve sleeved on the periphery of the fixed sleeve in a sliding manner, wherein a first annular groove and a second annular groove are formed in the periphery of the plug shell at intervals from front to back along the axial direction, a first locking ball and a second locking ball are arranged on the fixed sleeve at intervals from front to back along the axial direction, and a compression elastic piece is further arranged between the plug shell and the fixed sleeve; the locking sleeve is provided with a first locking position and a second locking position in the sliding stroke, when the locking sleeve is positioned at the second locking position, the first locking ball is limited in the locking groove by the locking sleeve, and the radial locking limit of the second locking ball is released by the locking sleeve, so that the second locking ball moves from the first annular groove to the second annular groove under the action of the compression elastic piece, and meanwhile, the first locking ball moves to a position axially blocked with the groove wall of the locking groove; when the locking sleeve is positioned at the first locking position, the second locking ball is limited in the first annular groove or the second annular groove, the avoidance groove at the front end of the locking sleeve is positioned at the outer side of the first locking ball, and the radial locking limitation of the first locking ball is released.
2. The self-locking connector of claim 1, wherein: the plug shell is pressed on the socket shell under the action of the compression elastic piece.
3. A self-locking connector according to claim 1 or 2, wherein: when the plug is vertically placed above the socket, the locking sleeve can move from the first locking position to the second locking position under the action of gravity, so that zero-insertion force self-locking between the plug and the socket is realized.
4. A self-locking connector as defined in claim 3, wherein: the first locking balls and the second locking balls are uniformly distributed in the circumferential direction.
5. A self-locking connector as defined in claim 3, wherein: the compression elastic piece is a compression spring, one end of the compression spring is pressed on the protruding rear end face of the outer periphery of the plug shell, the other end of the compression spring is pressed on the stepped face of the inner periphery of the fixed sleeve, and the compression spring is located at the front end of the first annular groove.
6. A self-locking connector as defined in claim 3, wherein: the periphery of the fixed sleeve is also provided with a limiting piece which can stay at a first locking position when the locking sleeve moves backwards in the axial direction.
7. The self-locking connector of claim 6, wherein: the limiting piece is a retainer ring assembled in the outer Zhou Huancao of the fixed sleeve.
8. A self-locking connector as defined in claim 3, wherein: the locking sleeve is matched with the concave-convex structure between the fixed sleeve and the socket shell so as to be capable of staying in the second locking position when moving axially forwards.
9. The self-locking connector of claim 8, wherein: the periphery of the fixed sleeve is provided with an axial backward limiting surface, the inner periphery of the rear end of the locking sleeve is provided with a locking table for limiting the second locking ball, and the front end surface of the locking table is matched with the limiting surface to enable the locking sleeve to stay on the second locking position.
10. A self-locking connector according to claim 6 or 8, wherein: the locking sleeve is further provided with a pin hole, and a pin penetrating through the pin hole can enable the locking sleeve to be locked at a first locking position when the locking ball is locked with the first annular groove.
CN202210275896.9A 2022-03-21 2022-03-21 Self-locking connector Active CN114678745B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210275896.9A CN114678745B (en) 2022-03-21 2022-03-21 Self-locking connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210275896.9A CN114678745B (en) 2022-03-21 2022-03-21 Self-locking connector

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Publication Number Publication Date
CN114678745A CN114678745A (en) 2022-06-28
CN114678745B true CN114678745B (en) 2023-09-26

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8527018U1 (en) * 1985-09-21 1993-04-08 Steigerwald, Nikolaus, 7950 Biberach, De
CN1153409A (en) * 1995-08-09 1997-07-02 住友电装株式会社 Locking device for connectors and use thereof for charging connectors and/or high-voltage cable connectors
US6022237A (en) * 1997-02-26 2000-02-08 John O. Esh Water-resistant electrical connector
CN201270342Y (en) * 2008-08-22 2009-07-08 贵州航天电器股份有限公司 Large power radio frequency connector capable of fast locking and separating
CN201303131Y (en) * 2008-10-30 2009-09-02 贵州航天电器股份有限公司 Quick locking structure for coaxial connector
CN101859971A (en) * 2010-05-18 2010-10-13 中航光电科技股份有限公司 Push-pull connector and plug thereof
CN104993291A (en) * 2015-06-22 2015-10-21 中航光电科技股份有限公司 Connector assembly
CN105610000A (en) * 2016-02-19 2016-05-25 北京航天发射技术研究所 Locking apparatus with forced breaking function and unlocking method
CN206685618U (en) * 2017-04-27 2017-11-28 林挺进 Petal type ball lock connector
CN109114340A (en) * 2017-06-26 2019-01-01 中航光电科技股份有限公司 In-line connector and its socket, connection component
CN209399000U (en) * 2018-12-26 2019-09-17 绵阳亿丰达智能装备有限公司 A kind of self-locking Water pipe fast-connection head of steel ball
CN111048947A (en) * 2019-11-25 2020-04-21 昆山先特电子科技有限公司 Push-pull type self-locking connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5391137B2 (en) * 2010-04-22 2014-01-15 カナレ電気株式会社 Ball lock connector
JP6411002B1 (en) * 2018-03-26 2018-10-24 カナレ電気株式会社 Ball-lock type connector with an accidental detachment prevention mechanism

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8527018U1 (en) * 1985-09-21 1993-04-08 Steigerwald, Nikolaus, 7950 Biberach, De
CN1153409A (en) * 1995-08-09 1997-07-02 住友电装株式会社 Locking device for connectors and use thereof for charging connectors and/or high-voltage cable connectors
US6022237A (en) * 1997-02-26 2000-02-08 John O. Esh Water-resistant electrical connector
CN201270342Y (en) * 2008-08-22 2009-07-08 贵州航天电器股份有限公司 Large power radio frequency connector capable of fast locking and separating
CN201303131Y (en) * 2008-10-30 2009-09-02 贵州航天电器股份有限公司 Quick locking structure for coaxial connector
CN101859971A (en) * 2010-05-18 2010-10-13 中航光电科技股份有限公司 Push-pull connector and plug thereof
CN104993291A (en) * 2015-06-22 2015-10-21 中航光电科技股份有限公司 Connector assembly
CN105610000A (en) * 2016-02-19 2016-05-25 北京航天发射技术研究所 Locking apparatus with forced breaking function and unlocking method
CN206685618U (en) * 2017-04-27 2017-11-28 林挺进 Petal type ball lock connector
CN109114340A (en) * 2017-06-26 2019-01-01 中航光电科技股份有限公司 In-line connector and its socket, connection component
CN209399000U (en) * 2018-12-26 2019-09-17 绵阳亿丰达智能装备有限公司 A kind of self-locking Water pipe fast-connection head of steel ball
CN111048947A (en) * 2019-11-25 2020-04-21 昆山先特电子科技有限公司 Push-pull type self-locking connector

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