CN103618168A - Plug and socket of double-way unlocking circular connector - Google Patents

Plug and socket of double-way unlocking circular connector Download PDF

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Publication number
CN103618168A
CN103618168A CN201310596400.9A CN201310596400A CN103618168A CN 103618168 A CN103618168 A CN 103618168A CN 201310596400 A CN201310596400 A CN 201310596400A CN 103618168 A CN103618168 A CN 103618168A
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China
Prior art keywords
plug
socket
jack
step surface
base
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Granted
Application number
CN201310596400.9A
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Chinese (zh)
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CN103618168B (en
Inventor
许其峰
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Suzhou Huayang Aerospace Electric Co Ltd
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Suzhou Huayang Aerospace Electric Co Ltd
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Priority to CN201310596400.9A priority Critical patent/CN103618168B/en
Publication of CN103618168A publication Critical patent/CN103618168A/en
Application granted granted Critical
Publication of CN103618168B publication Critical patent/CN103618168B/en
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Abstract

The invention discloses a plug and a socket of a double-way unlocking circular connector. The plug comprises a plug body which is formed by a thread sleeve, an insertion hole, a plug base and a plug shell, wherein the insertion hole, the plug base and the plug shell are sequentially installed in the thread sleeve. A semi-circular spring A and a semi-circular spring B are mutually symmetrical, are arranged between the thread sleeve and the plug shell and are fixed through a clamping ring arranged on the plug shell, and one end of the plug shell is provided with a wave washer. The socket comprises a socket body which comprises insertion needles, a socket base and a socket shell, wherein the socket body is arranged in the socket base, the socket base is installed in the socket shell, the outside of the socket shell is provided with an outer left open groove and an outer right open groove, the upper end of each outer groove is provided with a head opening, the bottom of each outer groove is provided with a convex key, and the inside of each outer groove is provided with a groove. Due to the facts that the inside of the plug is provided with the two symmetrical semi-circular springs and the socket shell is provided with the corresponding double-way groove structure, double-way unlocking is achieved and the unlocking mode is more flexible.

Description

A kind of Bidirectional unlocking cylindrical connector plug and socket thereof
Technical field
The invention belongs to technical field of electric connectors, specifically relate to a kind of Bidirectional unlocking cylindrical connector plug and socket thereof.
Background technology
Cylindrical connector socket is mainly used in the connection between engineering equipment, generally by flange, connector body is fixed on to the rack opening part of complete set of equipments, then by coordinating with the cable-assembly of docking, thereby is embodied as being connected of complete equipment and External cable.Plug end is generally free state, and afterbody is connected to cable, by the docking of plugs and sockets, realizes signal between distinct device or the transmission of electric current.Conventional be threaded or buckle add connector that helicla flute connects all can only be from a direction release when release, can not be applicable to some needs the occasion that plug left rotation and right rotation can release, therefore there is certain limitation, the scope of application is restricted.
Summary of the invention
For addressing the above problem, the invention provides a kind of Bidirectional unlocking cylindrical connector plug and socket thereof.
The present invention is achieved by following technical solution.
A kind of Bidirectional unlocking cylindrical connector plug, comprise header body, described header body by swivel nut and the jack, Plug base, the plug body that are arranged on successively in swivel nut form, between described swivel nut and plug body, be provided with symmetrical semicircle spring A and semicircle spring B, and fix by the collar being arranged on plug body, in plug body one end, wave washer is installed.
Described Plug base is provided with jack installing hole, is provided with step surface B in jack installing hole, and described jack is provided with the step surface A matching with step surface B, is also provided with hangnail on jack, and the jack installing hole on hangnail and Plug base is interference fit.
The head of described jack is provided with slotted head A, and the afterbody of jack is provided with welding position.
On described Plug base, be provided with bottom fluting, outer step surface and slotted head B, be provided with the internal key A matching with bottom fluting in plug body inner side, plug body inner side is provided with the interior step surface matching with outer step surface.
In described swivel nut, be provided with positioning key and buckle.
Described plug body is provided with spring fitting groove, collar groove A and guide channel, in spring fitting groove, is provided with key.
A kind of for connecting the Bidirectional unlocking cylindrical connector socket of above-mentioned plug, comprise jack body, described jack body is comprised of contact pin, socket base and jack housing, described socket is placed in socket base, socket base is arranged in jack housing, and the outside of described jack housing is provided with the unlimited outside fluting of the right and left, and the upper end of externally slotting is provided with head opening, outside fluting bottom is provided with protruding key, in outside fluting, is provided with groove.
Described contact pin is provided with step surface C, and step surface C matches with the step surface D in socket base, is also provided with location notch and step surface E in socket base.
Described jack housing inner side is provided with the internal key B matching with location notch, is provided with the step surface F matching with step surface E in the outside of jack housing.
The invention has the beneficial effects as follows:
Adopt plug of the present invention and socket, compare with the at present conventional rotary unlocking structure of one direction, because plug inside is equipped with two symmetrical semicircle springs, jack housing has corresponding bidirectional-slotting structure, can make the left and right both direction that is buckled in of plug swivel nut rotate, can from the groove of shell, deviate from, jack housing is furnished with corresponding protruding key and groove structure, being used for guiding plug swivel nut buckle slips in groove, thereby realize Bidirectional unlocking, make unlocking manner have more flexibility, traditional single direction rotation solution lock plug and the existing deficiency of socket have been overcome, can be in connector technique field wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the perspective view after plug assembling of the present invention;
Fig. 2 is the structure exploded perspective view of plug of the present invention;
Fig. 3 is the jack perspective view in plug of the present invention;
Fig. 4 is the Plug base perspective view in plug of the present invention;
Fig. 5 is that Fig. 4 is to the perspective view of fluting direction;
Fig. 6 is the plug body stereochemical structure axonometric drawing in plug of the present invention;
Fig. 7 is an orientation structural representation of the plug body in plug of the present invention;
Fig. 8 is another orientation structural representation of the plug body in plug of the present invention;
Fig. 9 is the swivel nut perspective view in plug of the present invention;
Figure 10 is another orientation perspective view of the swivel nut in plug of the present invention;
Figure 11 is the perspective view of socket of the present invention;
Figure 12 is the exploded perspective view of socket of the present invention;
Figure 13 is the contact pin perspective view in socket of the present invention;
Figure 14 is an orientation perspective view of the socket base in socket of the present invention;
Figure 15 is another orientation perspective view of the socket base in socket of the present invention;
Figure 16 is an orientation perspective view of the jack housing in socket of the present invention;
Figure 17 is another orientation perspective view of the jack housing in socket described in the present invention.
In figure: 1-header body, 2-jack body, 11-jack, 12-Plug base, 13-plug body, the semicircle spring A of 14-, the semicircle spring B of 15-, 16-collar A, 17-swivel nut, 18-wave washer, 111-step surface A, 112-hangnail, 113-slotted head A, 114-welding position, 121-step surface B, 122-jack installing hole, 123-bottom fluting, the outer step surface of 124-, 125-slotted head B, 131-internal key A, step surface in 132-, 133-spring fitting groove, 134-collar groove A, 135-guide channel, 136-key, 171-collar groove B, 172-positioning key, 173-buckle, 21-contact pin, 22-socket base, 23-jack housing, 211-head, 212-step surface C, 213-afterbody weldering cup, 221-step surface D, 222-location notch, 223-step surface E, 231-internal key B, 232-step surface F, 233-head opening, the protruding key of 234-, 235-groove.
Embodiment
Below in conjunction with accompanying drawing, further describe technical scheme of the present invention, but described in claimed scope is not limited to.
As shown in Figure 1, Figure 2, shown in Figure 16, Figure 17, a kind of Bidirectional unlocking cylindrical connector plug of the present invention, comprise header body 1, described header body 1 is comprised of swivel nut 17 and the jack 11, Plug base 12, the plug body 13 that are arranged on successively in swivel nut 17, between described swivel nut 17 and plug body 13, be provided with symmetrical semicircle spring A14 and semicircle spring B 15, and fixing by the collar 16 being arranged on plug body 13, in plug body 13 one end, wave washer 18 is installed.Adopt the technical program, can make swivel nut 17 left rotation and right rotation, can realize socket and reset to initial position in free state.
As shown in Figure 3, Figure 4, described Plug base 12 is provided with jack installing hole 122, in jack installing hole 122, be provided with step surface B121, described jack 11 is provided with the step surface A111 matching with step surface B121, on jack 11, be also provided with hangnail 112, and hangnail 112 is interference fit with the jack installing hole 122 on Plug base 12.
As shown in Figure 3, the head of described jack 11 is provided with slotted head A113, and the afterbody of jack 11 is provided with welding position 114.Fluting 113 is for contacting with after corresponding socket contact pin docking, and the welding position 114 of jack 11 afterbodys is for assembling rear welding.
As shown in Fig. 2, Fig. 4, Fig. 5, Fig. 8, on described Plug base 12, be provided with bottom fluting 123, outer step surface 124 and slotted head B125, in plug body 13 inner sides, be provided with and the bottom fluting 123 internal key A131 that match, plug body 13 inner sides are provided with the interior step surface 132 matching with outer step surface 124.The slotted head B125 of pedestal 12 is used for pointing out major key position.
As shown in Figure 9, Figure 10, in described swivel nut 17, be provided with positioning key 172 and buckle 173.Positioning key 172, for spacing semicircle spring A14 and semicircle spring 15, can play the effect of extrusion spring, locking when buckle 173 coordinates for plugs and sockets simultaneously when left rotation and right rotation.
Described plug body 13 is provided with spring fitting groove 133, collar groove A134 and guide channel 135, is provided with key 136 in spring fitting groove 133.Spring fitting groove 133 is for mounting spring A14 and spring B 15, collar groove A134 is used for installing collar 16, guide channel 135 packs the spring fitting groove 133 of plug body 13 into when interior for the positioning key 172 of swivel nut 17, play guide function, the key 136 in the spring fitting groove 133 of jack housing 13 plays retainer spring A14 and B15.
Below in conjunction with accompanying drawing, further describe plug execution mode of the present invention.
As shown in Figure 1 and Figure 2, plug of the present invention is when assembling, jack 11 is packed in Plug base 12 into the step surface B121 of Plug base 12 and the step surface A111 of jack 11 laminating, the jack installing hole 122 of Plug base 12 and hangnail 112 interference fit on jack 11; Plug base 12 is packed in plug body 13, and the internal key A131 of the bottom of Plug base 12 fluting 123 and shell 13 coordinates, the outer step surface 124 of Plug base 12 and 132 laminatings of the interior step surface of plug body 13; Spring A1 and spring B 15 are packed in the spring fitting groove 133 of plug body 13, collar 16 is packed in the collar groove A134 of plug body 13, swivel nut 17 is loaded onto to plug body 13, collar groove B171 on assembling rear thread sleeve 17 and collar 16 coordinate, positioning key on swivel nut 17 172 enters in spring fitting groove 133 through the guide channel 135 on plug body 13, in the spacing semicircular ring die cavity body forming at the positioning key 172 of the spring fitting groove 133 by plug body 13, key 136 in spring fitting groove 133 and swivel nut 17 of 15 of spring A14 and spring B; Pack wave washer 18 into, the installed surface 181 of wave washer 18 and the end face of plug body 13 137 coordinate, thereby complete the assembling of plug.
As shown in Figure 11, Figure 12, a kind of for connecting the Bidirectional unlocking cylindrical connector socket of above-mentioned plug, comprise jack body 2, described jack body 2 is comprised of contact pin 21, socket base 22 and jack housing 23, described socket 21 is placed in socket base 22, socket base 22 is arranged in jack housing 23, the outside of described jack housing 23 is provided with the unlimited outside fluting of the right and left, the upper end of externally slotting is provided with head opening 233, outside fluting bottom is provided with protruding key 234, in outside fluting, is provided with groove 235.The effect of head opening 233 is during for the docking of socket and plug, and to 173 guide functions of the buckle on swivel nut 17, protruding key 234 slips into groove 235 for guiding buckle 173, thereby makes plug can be rotated and be realized its Bidirectional unlocking by the right and left when release.
As shown in Figure 13, Figure 14, Figure 15, described contact pin 21 is provided with step surface C212, and step surface C212 matches with the step surface D221 in socket base 22, is also provided with location notch 222 and step surface E223 in socket base 22.
As shown in Figure 16, Figure 17, described jack housing 23 inner sides are provided with the internal key B231 matching with location notch 222, are provided with the step surface F232 matching with step surface E223 in the outside of jack housing 23.
Below in conjunction with accompanying drawing, further describe socket execution mode of the present invention.
As shown in Figure 11 to Figure 17, socket of the present invention, when assembling, packs contact pin 21 in socket base 22 into, the step surface C212 of contact pin 21 and the step surface D221 of socket base 22 laminating; Socket base 22 is packed in jack housing 23, and the location notch 222 of socket base 22 and the internal key B231 of jack housing 23 coordinate, and the step surface E223 of socket base 22 and the step surface F232 of jack housing 23 fit, thereby complete the assembling of socket.
As shown in figure 13, the head 211 of contact pin 21 contacts with after socket docking at plug with the slotted head A113 of jack 11, the step surface C212 of contact pin 21 and the step surface D221 of socket base 22 laminating, and the afterbody weldering cup 213 of contact pin 21 is for welding cable.

Claims (9)

1. a Bidirectional unlocking cylindrical connector plug, comprise header body (1), described header body (1) is comprised of swivel nut (17) and the jack (11), Plug base (12), the plug body (13) that are arranged on successively in swivel nut (17), it is characterized in that: between described swivel nut (17) and plug body (13), be provided with symmetrical semicircle spring A(14) and semicircle spring B (15), and fixing by the collar (16) being arranged on plug body (13), in plug body (13) one end, wave washer (18) is installed.
2. a kind of Bidirectional unlocking cylindrical connector plug according to claim 1, it is characterized in that: described Plug base (12) is provided with jack installing hole (122), in jack installing hole (122), be provided with step surface B(121), described jack (11) is provided with and step surface B(121) the step surface A(111 that matches), on jack (11), be also provided with hangnail (112), and hangnail (112) is interference fit with the jack installing hole (122) on Plug base (12).
3. a kind of Bidirectional unlocking cylindrical connector plug according to claim 1, is characterized in that: the head of described jack (11) is provided with slotted head A(113), the afterbody of jack (11) is provided with welding position (114).
4. a kind of Bidirectional unlocking cylindrical connector plug according to claim 1, it is characterized in that: on described Plug base (12), be provided with bottom fluting (123), outer step surface (124) and slotted head B(125), in plug body (13) inner side, be provided with the internal key A(131 matching with bottom fluting (123)), plug body (13) inner side is provided with the interior step surface (132) matching with outer step surface (124).
5. a kind of Bidirectional unlocking cylindrical connector plug according to claim 1, is characterized in that: in described swivel nut (17), be provided with positioning key (172) and buckle (173).
6. a kind of Bidirectional unlocking cylindrical connector plug according to claim 1, it is characterized in that: described plug body (13) is provided with spring fitting groove (133), collar groove A(134) and guide channel (135), in spring fitting groove (133), be provided with key (136).
7. one kind for connecting the Bidirectional unlocking cylindrical connector socket of plug as claimed in claim 1, comprise jack body (2), described jack body (2) is by contact pin (21), socket base (22) and jack housing (23) form, described socket (21) is placed in socket base (22), socket base (22) is arranged in jack housing (23), it is characterized in that: the outside of described jack housing (23) is provided with the unlimited outside fluting of the right and left, the upper end of externally slotting is provided with head opening (233), outside fluting bottom is provided with protruding key (234), in outside fluting, be provided with groove (235).
8. a kind of Bidirectional unlocking cylindrical connector socket according to claim 7, it is characterized in that: described contact pin (21) is provided with step surface C(212), step surface C(212) with step surface D(221 in socket base (22)) match, in socket base (22), be also provided with location notch (222) and step surface E(223).
9. a kind of Bidirectional unlocking cylindrical connector socket according to claim 7, it is characterized in that: described jack housing (23) inner side is provided with the internal key B(231 matching with location notch (222)), in the outside of jack housing (23), be provided with and step surface E(223) the step surface F(232 that matches).
CN201310596400.9A 2013-11-22 2013-11-22 A kind of Bidirectional unlocking cylindrical connector plug and socket thereof Active CN103618168B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310596400.9A CN103618168B (en) 2013-11-22 2013-11-22 A kind of Bidirectional unlocking cylindrical connector plug and socket thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310596400.9A CN103618168B (en) 2013-11-22 2013-11-22 A kind of Bidirectional unlocking cylindrical connector plug and socket thereof

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CN103618168B CN103618168B (en) 2016-01-06

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104836043A (en) * 2015-05-12 2015-08-12 上海航天科工电器研究院有限公司 Square-circular bent-plugging connector
CN105406281A (en) * 2015-10-16 2016-03-16 宁波天鹭莱电子技术有限公司 Circular electric connector
CN106532349A (en) * 2015-09-09 2017-03-22 贵州航天电器股份有限公司 Threaded connection miniature circular electric connector
CN106549261A (en) * 2016-10-20 2017-03-29 郭睿航 A kind of socket and plug and charging connection system and the charging pile with the system
CN106560957A (en) * 2015-10-06 2017-04-12 富士康(昆山)电脑接插件有限公司 Power Supply Connector Adapter And Assembly Method Thereof
CN106602341A (en) * 2017-02-09 2017-04-26 无锡百祺电子科技有限公司 Solar connector
CN107968290A (en) * 2017-12-22 2018-04-27 深圳市凌科电气有限公司 A kind of embedded quick connecting connector
TWI686021B (en) * 2019-02-20 2020-02-21 正淩精密工業股份有限公司 Connecting device
CN110943325A (en) * 2019-12-09 2020-03-31 胡锋 Plug connector for connecting electronic signal transmission cable
CN114683313A (en) * 2022-05-06 2022-07-01 哈尔滨工业大学 Be applied to interfacing apparatus of modularization self-reconstruction arm

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629272A (en) * 1985-04-04 1986-12-16 Matrix Science Corporation Electrical connector assembly with anti-rotation latch mechanism
US5683263A (en) * 1996-12-03 1997-11-04 Hsu; Cheng-Sheng Coaxial cable connector with electromagnetic interference and radio frequency interference elimination
JPH10228948A (en) * 1998-01-19 1998-08-25 Uro Denshi Kogyo Kk Case incorporated coaxial connector seat
US20050059284A1 (en) * 2002-07-23 2005-03-17 Alden Products Company Reinforced locking connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629272A (en) * 1985-04-04 1986-12-16 Matrix Science Corporation Electrical connector assembly with anti-rotation latch mechanism
US5683263A (en) * 1996-12-03 1997-11-04 Hsu; Cheng-Sheng Coaxial cable connector with electromagnetic interference and radio frequency interference elimination
JPH10228948A (en) * 1998-01-19 1998-08-25 Uro Denshi Kogyo Kk Case incorporated coaxial connector seat
US20050059284A1 (en) * 2002-07-23 2005-03-17 Alden Products Company Reinforced locking connector

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104836043A (en) * 2015-05-12 2015-08-12 上海航天科工电器研究院有限公司 Square-circular bent-plugging connector
CN106532349A (en) * 2015-09-09 2017-03-22 贵州航天电器股份有限公司 Threaded connection miniature circular electric connector
CN106532349B (en) * 2015-09-09 2018-12-28 贵州航天电器股份有限公司 It is threadedly coupled Miniature circular electric connector
CN106560957A (en) * 2015-10-06 2017-04-12 富士康(昆山)电脑接插件有限公司 Power Supply Connector Adapter And Assembly Method Thereof
CN106560957B (en) * 2015-10-06 2020-04-24 富士康(昆山)电脑接插件有限公司 Power connector adapter and assembling method thereof
CN105406281A (en) * 2015-10-16 2016-03-16 宁波天鹭莱电子技术有限公司 Circular electric connector
CN105406281B (en) * 2015-10-16 2017-12-19 宁波天鹭莱电子技术有限公司 A kind of round electric connector
CN106549261B (en) * 2016-10-20 2018-10-30 慈溪宏一电子有限公司 A kind of socket and plug and charging connection system and the charging pile with the system
CN106549261A (en) * 2016-10-20 2017-03-29 郭睿航 A kind of socket and plug and charging connection system and the charging pile with the system
CN106602341B (en) * 2017-02-09 2018-10-23 无锡百祺电子科技有限公司 Solar energy connector
CN106602341A (en) * 2017-02-09 2017-04-26 无锡百祺电子科技有限公司 Solar connector
CN107968290A (en) * 2017-12-22 2018-04-27 深圳市凌科电气有限公司 A kind of embedded quick connecting connector
TWI686021B (en) * 2019-02-20 2020-02-21 正淩精密工業股份有限公司 Connecting device
US10630024B1 (en) 2019-02-20 2020-04-21 Nextronics Engineering Corp. Connecting device
CN110943325A (en) * 2019-12-09 2020-03-31 胡锋 Plug connector for connecting electronic signal transmission cable
CN114683313A (en) * 2022-05-06 2022-07-01 哈尔滨工业大学 Be applied to interfacing apparatus of modularization self-reconstruction arm
CN114683313B (en) * 2022-05-06 2022-09-09 哈尔滨工业大学 Be applied to interfacing apparatus of modularization self-reconstruction arm

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Inventor after: Tian Jingwei

Inventor after: Xu Qifeng

Inventor before: Xu Qifeng