CN104300309A - Anti-loosening connector - Google Patents
Anti-loosening connector Download PDFInfo
- Publication number
- CN104300309A CN104300309A CN201410221070.XA CN201410221070A CN104300309A CN 104300309 A CN104300309 A CN 104300309A CN 201410221070 A CN201410221070 A CN 201410221070A CN 104300309 A CN104300309 A CN 104300309A
- Authority
- CN
- China
- Prior art keywords
- loose
- attachment cap
- proof sleeve
- end tooth
- tooth
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to an anti-loosening connector. The anti-loosening connector comprises a housing, the front end of which is a plug end. The housing is sleeved by an anti-loosening sleeve along the front and back direction in a guiding movement manner. The anti-loosening sleeve is in rotation stop cooperation with the housing. The housing is provided with a limitation mechanism which is in limitation cooperation with the anti-loosening sleeve as to limit the backward and forward movement of anti-loosening sleeve. An elastic member for applying a forward acting force to the anti-loosening sleeve is arranged between the housing and the anti-loosening sleeve. The front end of the anti-loosening sleeve is provided with anti-loosening sleeve end teeth. The tooth surface of one side of each anti-loosening sleeve end tooth is a screwing direction guiding inclined plane which can enable a connection cap to be rotated to the screwing direction when the anti-loosening sleeve end teeth are in insertion cooperation along the front and back direction with connection cap end teeth of the connection cap of the adaptive connector. According to the anti-loosening connector, the problem that in the prior art, since the connection cap and the anti-loosening sleeve are arranged on the same housing, the axial length of the anti-loosening connector is long is solved.
Description
Technical field
The present invention relates to the anti-loose connector being applicable to use in vibration environment for Signal transmissions.
Background technology
Common screw thread coupling uses on the platform such as airborne, vehicle-mounted of being everlasting, and owing to working long hours under vibrational loading condition, easily occurs the phenomenon of joint looseness, causes signal fluctuation even Transmission.The anti-loose connector therefore with locking functions more and more becomes the emphasis of people's research, existing a kind of anti-loose connector is " a kind of ratchet locking type screw thread coaxial connector " disclosed in Chinese patent CN103457117A, this connector is plug, connector comprises the housing that front end is inserted terminal, on housing, turning set is provided with attachment cap, attachment cap is provided with the internal thread for being connected with the external screw thread on the housing of intermateable connector, in the axial direction can not relative movement between attachment cap and housing, on housing in the rear side of attachment cap along the longitudinal direction guiding movement be equipped with loose-proof sleeve, the front end face of loose-proof sleeve is provided with front end tooth, the rear end face of attachment cap is provided with for front end tooth along the longitudinal direction on the rear end tooth that plugs together, before, rear end tooth is ratchet, one lateral tooth flank of each ratchet is front, attachment cap can be made when rear end tooth plugs together to screw to guiding surface towards what screw that direction rotates, before institute, rear end tooth along the longitudinal direction on when plugging together, attachment cap still can rotate towards screwing direction.Push up between the rear end of loose-proof sleeve and housing and be provided with ripple spring, loose-proof sleeve is installed with pin, housing is provided with the pin chute corresponding with pin, pin chute comprises axially directed section of extending along the longitudinal direction and is arranged at the circumferential guide section extended along housing circumference of axially directed section of rear end, and loose-proof sleeve can drive pin along pin runner movement.When this plug of needs and adapter socket grafting, pin is arranged in axially directed section of pin chute, by the jacking force effect of ripple spring, front end tooth on loose-proof sleeve and the rear end tooth on attachment cap along the longitudinal direction on plug together together with, front end tooth makes attachment cap can only rotate towards screwing direction with coordinating of rear end tooth, after attachment cap and adapter socket grafting put in place, by the thrusting action power of ripple spring, together with front end tooth on loose-proof sleeve and the rear end tooth on attachment cap keep plugging together, this also just prevents the attachment cap derotation because external force causes, thus achieve plug, it is locking that socket connects, when needs plug, socket are separated, operating personnel's hand push pin moves until circumferential guide section after guide section vertically, pin overcomes the active force of ripple spring with loose-proof sleeve, loose-proof sleeve also moves afterwards and front end tooth and rear end tooth is thrown off, and just can realize the separation of plug, socket by derotation attachment cap at this moment.
Existing this anti-loose connector Problems existing is: attachment cap and loose-proof sleeve are all arranged on the housing of plug, and loose-proof sleeve is positioned at the rear side of attachment cap, this just causes the axial length of plug longer, is unfavorable for very much using in some are to the conditional occasion in plug operating space; In addition, the setting of pin chute and pin causes the structure of plug comparatively complicated, add cost of manufacture and the assembly difficulty of plug, simultaneously in the occasion of some axial operation limited spaces, root moves after not having operating space to go hand push pin to make loose-proof sleeve, and this just causes plug, socket can not realize normal separation.
Summary of the invention
The object of the present invention is to provide a kind of anti-loose connector, to solve in prior art because attachment cap and loose-proof sleeve are arranged at the problem that same housing causes the axial length of anti-loose connector longer.
In order to solve the problem, in the present invention, the technical scheme of anti-loose connector is:
Anti-loose connector, comprising front end is inserted terminal housing, on housing, turning set is provided with attachment cap, the front end of attachment cap is provided with attachment cap end tooth, and a lateral tooth flank of attachment cap end tooth is that the loose-proof sleeve end tooth on the loose-proof sleeve at attachment cap end tooth and intermateable connector can make when plugging together along the longitudinal direction attachment cap towards screwing to guiding surface of screwing that direction rotates.
The opposite side flank of tooth of attachment cap end tooth be for attachment cap end tooth and loose-proof sleeve end tooth along the longitudinal direction on plug together time attachment cap can be made towards unscrewing to guiding surface of unscrewing that direction rotates.
In the present invention, the technical scheme of anti-loose connector is:
Anti-loose connector, comprise the housing that front end is inserted terminal, on housing, guiding movement is set with loose-proof sleeve along the longitudinal direction, described loose-proof sleeve coordinates with described housing spline, housing is provided with and spacingly with loose-proof sleeve coordinates to limit the position-limit mechanism that loose-proof sleeve moves forward and backward the limit, be provided with between housing and loose-proof sleeve and loose-proof sleeve is applied forward to the elastic component of active force, the front end of loose-proof sleeve is provided with loose-proof sleeve end tooth, one lateral tooth flank of loose-proof sleeve end tooth be attachment cap end tooth on the attachment cap at loose-proof sleeve end tooth and intermateable connector along the longitudinal direction on attachment cap can be made when plugging together towards screwing to guiding surface of screwing that direction rotates.
The opposite side flank of tooth of loose-proof sleeve end tooth be for loose-proof sleeve end tooth and attachment cap end tooth along the longitudinal direction on plug together time attachment cap can be made towards unscrewing to guiding surface of unscrewing that direction rotates.
Socket casing comprises the cover shape body that axis extends along the longitudinal direction, cover shape body is provided with the external screw thread for being connected with attachment cap, Socket casing also comprises spinning in the back-up ring of externally threaded rear end, back-up ring is installed with the installation sleeve that coaxial line is sheathed on shape body periphery, described installation sleeve is provided with the keyway that guide direction extends along the longitudinal direction, described loose-proof sleeve is sheathed on described cover shape body, described loose-proof sleeve is provided with the key block be slidably matched that to lead with described keyway.
Described elastic component top is located between described loose-proof sleeve rear end and back-up ring.
Beneficial effect of the present invention is: when two connector grafting, by the effect of elastic component, attachment cap end tooth and loose-proof sleeve end tooth keep plugging together along the longitudinal direction, owing to screwing the effect to guiding surface, attachment cap can rotate towards screwing direction, put in place until two connectors connect, after two connectors connections put in place, by the effect of elastic component, attachment cap end tooth and loose-proof sleeve end tooth still keep plugging together along the longitudinal direction, the problem that doing so avoids the attachment cap reverse rotation because other non-artificial factors such as vibration force cause and the connector caused gets loose, loose-proof sleeve in the present invention and attachment cap are arranged on the housing of different connector respectively, this addresses the problem in prior art because loose-proof sleeve and attachment cap are arranged at the problem that same housing causes connector axial length longer.
Further, when needs two connectors are separated, owing to unscrewing the effect to guiding surface, when the manpower in direction is unscrewed to attachment cap applying court, attachment cap can rotate towards unscrewing direction, the separation between two connectors can be realized like this by reverse rotation attachment cap, separation process is simple and convenient, corresponding too large axial operating space is not needed yet, be highly suitable for using in the occasion of axial operation limited space, corresponding pin and pin sliding groove structure can also be saved like this, reduce complex structure degree and the manufacturing cost of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of anti-loose connector in the present invention;
Fig. 2 is the structural representation of attachment cap in Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the stereogram of Fig. 3;
Fig. 5 is the structural representation of the embodiment 2 of anti-loose connector in the present invention;
Fig. 6 is the structural representation of loose-proof sleeve in Fig. 5;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the stereogram of Fig. 7.
Embodiment
The embodiment 1 of anti-loose connector is as shown in Fig. 1 ~ 4: this anti-loose connector is plug, and plug comprises the plug casing 1 that front end is inserted terminal.On plug casing, turning set is provided with attachment cap 2, the jump ring (not shown) moved to axial between restriction attachment cap 2, plug casing 1 is provided with between plug casing and attachment cap, the inner hole wall of attachment cap is provided with internal thread, and the front end of attachment cap 2 is provided with attachment cap end tooth 3.One lateral tooth flank of attachment cap end tooth 3 is for attachment cap 2 can be made to screw to guiding surface 8 towards what screw that direction rotates when loose-proof sleeve end tooth and attachment cap end tooth 3 plug together; The opposite side flank of tooth of attachment cap end tooth 3 is to make attachment cap 2 unscrew to guiding surface 6 towards what unscrew that direction rotates when attachment cap end tooth and loose-proof sleeve end tooth plug together, the gradient unscrewed to guiding surface 6 is greater than the gradient screwed to guiding surface 8, the power unscrewed needed for attachment cap is greater than the power screwed needed for attachment cap, increases the anti-loose ability of antivibration of attachment cap.
In other embodiment of this anti-loose connector: the internal thread on attachment cap can also be replaced by crank slot; The gradient unscrewed to guiding surface can also be less than or equal to the gradient screwed to guiding surface; Unscrewing on attachment cap end tooth also can not be established to guiding surface, and namely attachment cap end tooth is ratchet, now when needs plug, socket are separated, move after promoting loose-proof sleeve manually, loose-proof sleeve and attachment cap are departed from, and then derotation attachment cap, until plug, socket are separated.
The embodiment 2 of anti-loose connector is as shown in Fig. 5 ~ 8: this anti-loose connector is socket, socket comprises the Socket casing that front end is inserted terminal, Socket casing comprises the cover shape body 9 that axis extends along the longitudinal direction and the back-up ring 13 be sheathed on shape body, back-up ring has been wholely set installation sleeve, installation sleeve coaxial line is sheathed on the periphery of shape body, cover shape body 9 is provided with for the external screw thread with the screw-internal thread fit on attachment cap, back-up ring 13 spinning is in externally threaded rear end, installation sleeve is provided with the keyway 11 that two guide direction extend along the longitudinal direction, on cover shape body, guiding movement is set with loose-proof sleeve 5 along the longitudinal direction, loose-proof sleeve is provided with the key block 10 be slidably matched that to lead with keyway, the spline of loose-proof sleeve 5 counterpart receptacle housing is realized by the cooperation of keyway 11 and key block 10, spline refers to and can not relatively rotate, Socket casing is provided with and spacingly with loose-proof sleeve coordinates to limit the position-limit mechanism that loose-proof sleeve 5 moves forward and backward the limit, position-limit mechanism comprises the rear side cell wall of keyway 11 and the closing-in structure of keyway front end formation, the rear side cell wall of keyway 11 coordinate with key block 10 block thus limit loose-proof sleeve 5 move the limit backwards, assembling at the beginning of by packaged for the key of loose-proof sleeve in keyway, then instrument is used to make the front end of keyway form closing-in structure, closing-in structure can prevent loose-proof sleeve from moving the limit forward.Pushing up between the rear end of loose-proof sleeve 5 and back-up ring 13 to be provided with applies forward to the elastic component 12 of active force to loose-proof sleeve 5, elastic component is ripple spring, the front end of loose-proof sleeve 5 be provided with for attachment cap end tooth along the longitudinal direction on the loose-proof sleeve end tooth 7 that plugs together, a lateral tooth flank of loose-proof sleeve end tooth is for attachment cap can be made to screw to guiding surface 8 towards what screw that direction rotates when loose-proof sleeve end tooth 7 plugs together with attachment cap end tooth; The opposite side flank of tooth of loose-proof sleeve end tooth 7 is to make attachment cap unscrew to guiding surface 6 towards what unscrew that direction rotates when attachment cap end tooth and loose-proof sleeve end tooth plug together, the gradient unscrewed to guiding surface 6 is greater than the gradient screwed to guiding surface 8, the power unscrewed needed for attachment cap is greater than the power screwed needed for attachment cap, increases the anti-loose ability of antivibration of attachment cap.
At needs plug, during socket grafting, attachment cap on plug is connected with cover shape body, along with the precession of attachment cap, attachment cap end tooth on attachment cap gradually with the loose-proof sleeve end tooth on Socket casing along the longitudinal direction on plug together, by the active force of elastic component, attachment cap end tooth and loose-proof sleeve end tooth can keep plugging together state always, owing to screwing the effect to guiding surface, although attachment cap can meet obstructions when rotated, but manpower still can make attachment cap continue to rotate towards screwing direction, until plug, socket grafting puts in place, plug, after socket grafting puts in place, by the active force of elastic component, attachment cap end tooth and loose-proof sleeve end tooth still keep plugging together state, when converse rotating force is little, (such as vibrating the power caused) attachment cap can not be able to be reversed by loose-proof sleeve keyed, when needs plug, socket are separated, reverse rotation attachment cap, owing to unscrewing the effect to guiding surface, although attachment cap can meet obstructions when rotated, manpower still can make attachment cap continue to rotate, until plug, socket complete separation towards unscrewing direction.Back-up ring can realize the adjustment of loose-proof sleeve axial location.
In other embodiment of this anti-loose connector: the external screw thread on cover shape body can also be replaced by bail; The gradient unscrewed to guiding surface can also be less than or equal to the gradient screwed to guiding surface, unscrewing on loose-proof sleeve end tooth also can not be established to guiding surface, namely loose-proof sleeve end tooth is ratchet, now when needs plug, socket are separated, move after promoting loose-proof sleeve manually, loose-proof sleeve and attachment cap are departed from, and then derotation attachment cap, until plug, socket are separated; Back-up ring can also be wholely set with installation sleeve; Installation sleeve can not also be established, and now loose-proof sleeve can directly be assemblied on cover shape body by key, keyway arrangements guiding movement; Ripple spring can also be replaced by other elastic component such as helical spring, rubber ring; Closing-in structure can also be assemblied in back-up ring front end for replacing with the spacing block coordinated of loose-proof sleeve.
Claims (6)
1. anti-loose connector, comprising front end is inserted terminal housing, on housing, turning set is provided with attachment cap, it is characterized in that: the front end of attachment cap is provided with attachment cap end tooth, a lateral tooth flank of attachment cap end tooth is that the loose-proof sleeve end tooth on the loose-proof sleeve at attachment cap end tooth and intermateable connector can make when plugging together along the longitudinal direction attachment cap towards screwing to guiding surface of screwing that direction rotates.
2. anti-loose connector according to claim 1, is characterized in that: the opposite side flank of tooth of attachment cap end tooth be for attachment cap end tooth and loose-proof sleeve end tooth along the longitudinal direction on plug together time attachment cap can be made towards unscrewing to guiding surface of unscrewing that direction rotates.
3. anti-loose connector, comprise the housing that front end is inserted terminal, it is characterized in that: on housing, guiding movement is set with loose-proof sleeve along the longitudinal direction, described loose-proof sleeve coordinates with described housing spline, housing is provided with and spacingly with loose-proof sleeve coordinates to limit the position-limit mechanism that loose-proof sleeve moves forward and backward the limit, be provided with between housing and loose-proof sleeve and loose-proof sleeve is applied forward to the elastic component of active force, the front end of loose-proof sleeve is provided with loose-proof sleeve end tooth, one lateral tooth flank of loose-proof sleeve end tooth be attachment cap end tooth on the attachment cap at loose-proof sleeve end tooth and intermateable connector along the longitudinal direction on attachment cap can be made when plugging together towards screwing to guiding surface of screwing that direction rotates.
4. anti-loose connector according to claim 3, is characterized in that: the opposite side flank of tooth of loose-proof sleeve end tooth be for loose-proof sleeve end tooth and attachment cap end tooth along the longitudinal direction on plug together time attachment cap can be made towards unscrewing to guiding surface of unscrewing that direction rotates.
5. the anti-loose connector according to claim 3 or 4, it is characterized in that: Socket casing comprises the cover shape body that axis extends along the longitudinal direction, cover shape body is provided with the external screw thread for being connected with attachment cap, Socket casing also comprises spinning in the back-up ring of externally threaded rear end, back-up ring is installed with the installation sleeve that coaxial line is sheathed on shape body periphery, described installation sleeve is provided with the keyway that guide direction extends along the longitudinal direction, described loose-proof sleeve is sheathed on described cover shape body, described loose-proof sleeve is provided with the key block be slidably matched that to lead with described keyway.
6. anti-loose connector according to claim 5, is characterized in that: described elastic component top is located between described loose-proof sleeve rear end and back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221070.XA CN104300309B (en) | 2014-05-23 | 2014-05-23 | A kind of anti-loose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410221070.XA CN104300309B (en) | 2014-05-23 | 2014-05-23 | A kind of anti-loose connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104300309A true CN104300309A (en) | 2015-01-21 |
| CN104300309B CN104300309B (en) | 2017-03-29 |
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ID=52319942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410221070.XA Active CN104300309B (en) | 2014-05-23 | 2014-05-23 | A kind of anti-loose connector |
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| Country | Link |
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| CN (1) | CN104300309B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029868A (en) * | 2019-12-13 | 2020-04-17 | 中航光电科技股份有限公司 | Audio adapter connector assembly |
| CN112736596A (en) * | 2021-01-19 | 2021-04-30 | 苏州泰莱微波技术有限公司 | High-reliability self-locking radio frequency connector structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957049A (en) * | 2012-10-29 | 2013-03-06 | 中航光电科技股份有限公司 | Anti-unscrewing connector |
| CN203326237U (en) * | 2013-06-26 | 2013-12-04 | 沈阳兴华航空电器有限责任公司 | Anti-loosening connecting structure of electric connector |
| US20140060927A1 (en) * | 2012-08-30 | 2014-03-06 | Avc Industrial Corp. | Hook-thread component and wiring element fastening device having the hook-thread component |
-
2014
- 2014-05-23 CN CN201410221070.XA patent/CN104300309B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140060927A1 (en) * | 2012-08-30 | 2014-03-06 | Avc Industrial Corp. | Hook-thread component and wiring element fastening device having the hook-thread component |
| CN102957049A (en) * | 2012-10-29 | 2013-03-06 | 中航光电科技股份有限公司 | Anti-unscrewing connector |
| CN203326237U (en) * | 2013-06-26 | 2013-12-04 | 沈阳兴华航空电器有限责任公司 | Anti-loosening connecting structure of electric connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029868A (en) * | 2019-12-13 | 2020-04-17 | 中航光电科技股份有限公司 | Audio adapter connector assembly |
| CN112736596A (en) * | 2021-01-19 | 2021-04-30 | 苏州泰莱微波技术有限公司 | High-reliability self-locking radio frequency connector structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104300309B (en) | 2017-03-29 |
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