CN101667693B - Connector and bolt locking device thereof - Google Patents
Connector and bolt locking device thereof Download PDFInfo
- Publication number
- CN101667693B CN101667693B CN2009102056227A CN200910205622A CN101667693B CN 101667693 B CN101667693 B CN 101667693B CN 2009102056227 A CN2009102056227 A CN 2009102056227A CN 200910205622 A CN200910205622 A CN 200910205622A CN 101667693 B CN101667693 B CN 101667693B
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- guide rod
- threaded guide
- locking nut
- support set
- connector
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Abstract
The invention relates to a connector component and a bolt locking device thereof. A locknut of the connector is assembled on a thread guide rod in a sliding way; the thread guide rods at two sides of the locknut are provided with a first position-limiting structure and a second position-limiting structure respectively, wherein the position-limiting structure far away from the thread end of the thread guide rod is the first position-limiting structure; a spring is arranged between the first position-limiting structure and the corresponding structure of the locknut; the thread guide rod section close to the thread end at one side of the second position-limiting structure is provided with a thread; furthermore, a ratchet wheel sheet is rotatablely arranged by the thread; the end surfaces of the ratchet sheet, corresponding to the locknut, are provided with a ratchet respectively; and the ratchet wheel sheet is provided with a structure which is used for being rotatablely matched with the shell of the connector in a sliding way. After the connector and an adapted connector are inserted with each other by rotating the thread guide rod, the ratchet on the locknut and the ratchet on the ratchet wheel sheet engage to each other reliably under the action of the spring force, thus ensuring reliable insertion of the connector and the adapted connector.
Description
Technical field
The present invention relates to a kind of connector, belong to light, signal of telecommunication transmission field, simultaneously, the invention still further relates to a kind of bolt locking device.
Background technology
Work as connector plug, after socket plugs together, in order to realize reliable connection, generally the connection retaining mechanism can be set, for cylindrical connector, can adopt coupling nut to connect, Square Connector is because its reasons in structure then can not adopt this method of attachment that screw thread screws that has, in the prior art, Square Connector connects with bolt locking device mostly, bolt locking device is arranged on the centre or the both sides of connector shell, and extend inserted terminal, the bolt locking device that existing a kind of connector is used comprises that an end is provided with the step threaded guide rod of locking nut, the other end of threaded guide rod is provided with and is used for the connecting thread that screws with intermateable connector, the middle part of threaded guide rod is provided with a step, retaining is equipped with a supporting bracket on the end face of step, supporting bracket is installed on the threaded guide rod and with another end face of step by the centre bore on it joins use, bolt locking device is installed in the connector shell, supporting bracket is provided with screwed hole, the connector shell relevant position is provided with corresponding screwed hole, supporting bracket by screw on connector shell, thereby the bolt locking device axial limiting is arranged on the connector shell.When connector and intermateable connector plug together, the rotational lock nut drives threaded guide rod and rotates in connector shell, helicitic texture on the intermateable connector housing cooperates with connecting thread on the threaded guide rod, and intermateable connector moves with respect to connector and realizes plugging together of two connectors.This connected mode is simple, be easy to processing, to connect effect better, but when the connector assembly when plugging together after was operated in the environment that has vibrations, screw thread can become flexible, and causes the connector connection not firm, influences the transmission of signal.
Summary of the invention
The purpose of this invention is to provide a kind of connector, to solve in the prior art because the not firm problem of the connector that the thread looseness of the bolt locking device of connector causes connection simultaneously, the present invention also aims to provide a kind of bolt locking device.
For achieving the above object, the present invention adopts following technical scheme: a kind of connector, comprise and be used for bolt locking device that connector is connected with intermateable connector, described bolt locking device, comprise threaded guide rod, one end of this threaded guide rod ends spinning and is furnished with a locking nut, the other end is provided with screw thread, described locking nut is slidedly assemblied on the threaded guide rod, be respectively arranged with first and second position limiting structures on the threaded guide rod of locking nut both sides, wherein the position limiting structure away from the end of thread of threaded guide rod is first position limiting structure, be provided with spring between the counter structure of first position limiting structure and locking nut, described second position limiting structure, one side is provided with screw thread near the threaded guide rod section of the end of thread, and be installed with the ratchet sheet by screw thread, be respectively equipped with corresponding ratchet on this ratchet sheet and the mutual opposing end faces of described locking nut, described ratchet sheet is provided with and is used for the structure that cooperates with the housing slip spline of the connector that is suitable for.
Axial limiting is provided with a support set on the described threaded guide rod, described first, second position limiting structure is separately positioned on the two ends of this support set, described spring and described locking nut are set on the described support set, the support set place is installed on the described threaded guide rod is provided with the spline plane, the endoporus of described support set is the flat hole that cooperates with the spline plane of threaded guide rod, is provided with the spline fit structure between described locking nut and the support set.
Described first position limiting structure is the plate body that is wholely set on support set, be provided with the stepped cavity of perforation in the described locking nut, this stepped cavity is a wealthy mouthful of section away from the cavity segment of the threaded guide rod end of thread, described spring and described plate body are positioned at the wealthy mouthful section of described stepped cavity, and described locking nut and spline fit structure between the support set are the spline plane of matching with spline plate body plane that be provided with on the inner peripheral surface of described plate body outer peripheral face wealthy mouthful of section being provided with spline plane and described stepped cavity.
Described second position limiting structure is to be arranged on to turn over the riveting structure on the support set termination.
The riveting structure of turning over of described support set is provided with the step surface location that end forms by the spline plane on the threaded guide rod, and the other end is spacing by the back-up ring that is sleeved on the threaded guide rod termination, and this back-up ring cooperates with the riveting structure block that turns on being arranged on the threaded guide rod termination.
The corresponding technical scheme with bolt locking device of the present invention is as follows:
A kind of bolt locking device, comprise threaded guide rod, one end of this threaded guide rod ends spinning and is furnished with a locking nut, the other end is provided with screw thread, described locking nut is slidedly assemblied on the threaded guide rod, be respectively arranged with first and second position limiting structures on the threaded guide rod of locking nut both sides, wherein the position limiting structure away from the end of thread of threaded guide rod is first position limiting structure, be provided with spring between the counter structure of first position limiting structure and locking nut, described second position limiting structure, one side is provided with screw thread near the threaded guide rod section of the end of thread, and be installed with the ratchet sheet by screw thread, be respectively equipped with corresponding ratchet on this ratchet sheet and the mutual opposing end faces of described locking nut, described ratchet sheet is provided with and is used for the structure that cooperates with the housing slip spline of the connector that is suitable for.
Axial limiting is provided with a support set on the described threaded guide rod, described first, second position limiting structure is separately positioned on the two ends of this support set, described spring and described locking nut are set on the described support set, the support set place is installed on the described threaded guide rod is provided with the spline plane, the endoporus of described support set is the flat hole that cooperates with the spline plane of threaded guide rod, is provided with the spline fit structure between described locking nut and the support set.
Described first position limiting structure is the plate body that is wholely set on support set, be provided with the stepped cavity of perforation in the described locking nut, this stepped cavity is a wealthy mouthful of section away from the cavity segment of the threaded guide rod end of thread, described spring and described plate body are positioned at the wealthy mouthful section of described stepped cavity, and described locking nut and spline fit structure between the support set are the spline plane of matching with spline plate body plane that be provided with on the inner peripheral surface of described plate body outer peripheral face wealthy mouthful of section being provided with spline plane and described stepped cavity.
Described second position limiting structure is to be arranged on to turn over the riveting structure on the support set termination.
The riveting structure of turning over of described support set is provided with the step surface location that end forms by the spline plane on the threaded guide rod, and the other end is spacing by the back-up ring that is sleeved on the threaded guide rod termination, and this back-up ring cooperates with the riveting structure block that turns on being arranged on the threaded guide rod termination.
The bolt locking device of connector of the present invention, comprise threaded guide rod, the one end slip of threaded guide rod ends spinning and is furnished with a locking nut, the other end is provided with screw thread, be respectively arranged with first and second position limiting structures on the threaded guide rod of locking nut both sides, be provided with spring between the counter structure of first position limiting structure and locking nut, second position limiting structure, one side is provided with screw thread near the threaded guide rod section of the end of thread, and be installed with the ratchet sheet by screw thread, be respectively equipped with corresponding ratchet on this ratchet sheet and the mutual opposing end faces of described locking nut, the ratchet sheet is provided with and is used for the structure that cooperates with the housing slip spline of the connector that is suitable for.When the rotational lock nut, when connector and intermateable connector are plugged together, locking nut drives threaded guide rod and rotates with respect to connector shell, under the effect of screw thread, move for the ratchet sheet that the slip spline cooperates with connector shell to locking nut, ratchet engagement on ratchet on the locking nut and ratchet sheet, continue the rotational lock nut, overcoming spring force at the effect lower locking nut of ratchet sheet moves with respect to threaded guide rod, after connector and intermateable connector plug together fully, ratchet on ratchet on the locking nut and ratchet sheet positive engagement under the effect of spring force, prevent the lock nut counter-rotating, thereby prevent the threaded guide rod counter-rotating, guarantee reliably plugging together of connector and intermateable connector.
Description of drawings
Fig. 1 is the structural representation before connector of the present invention and intermateable connector plug together;
Fig. 2 is the structural representation after connector of the present invention and intermateable connector plug together;
Fig. 3 is the cutaway view of the front view of screw-threaded coupling device of the present invention;
Fig. 4 is the stereogram of screw-threaded coupling device of the present invention;
Fig. 5 is the stereogram of threaded guide rod among Fig. 3;
Fig. 6 is the stereogram of support set among Fig. 3.
Embodiment
At Fig. 3, Fig. 4, Fig. 5, among Fig. 6, a kind of bolt locking device, comprise threaded guide rod 8, one end of threaded guide rod 8 is a multidiameter, the other end is provided with screw thread, the spline assembling is by support set 2 on the minor diameter shaft part of its ladder axle head, the spline plane 18 that is provided with on the threaded guide rod 8 cooperates the formation spline structure with the flat hole 19 of support set 2, one end of support set cooperates with step surface 20 blocks that the spline plane of threaded guide rod 8 18 forms, the other end is by 1 location of the back-up ring on threaded guide rod 8 terminations, an end face of back-up ring 1 cooperates with the end face block of support set 2, and another end face cooperates with the riveting 16 of turning on the end face that is arranged on threaded guide rod 8.The end that support set 2 cooperates with the step surface 20 that the spline plane forms is provided with and turns over riveting structure 17, the other end has been wholely set plate body 9, turn in plate body 9 and support set on the support set 2 that slip cap is equipped with locking nut 4 between the riveting structure 17, be provided with spring 3 between plate body 9 and the locking nut 4, one end of locking nut 4 cooperates with spring 3, and it is spacing that the other end turns over riveting structure 17 by support set.Be provided with the stepped cavity of perforation in the locking nut 4, spring 3 is positioned at wealthy mouthful of section of the stepped cavity of locking nut 4, and end top is contained on the end face of plate body 9, and the other end pushes up on the step surface of the stepped cavity that is contained in locking nut 4.
Locking nut is provided with screw thread near the shaft part of the threaded guide rod 8 of a side of the end of thread of threaded guide rod 8, and be installed with ratchet sheet 5 by screw thread, this ratchet sheet 5 and locking nut 8 relative faces are provided with ratchet, the end face of locking nut 4 is provided with the ratchet that matches with ratchet on the ratchet sheet 5, ratchet sheet 5 is for having square plate, cooperate for the slip spline with the housing of the connector that is suitable for, during ratchet engagement on ratchet on the end face of locking nut 4 and the ratchet sheet 5, locking nut only can one-directional rotation with respect to the ratchet sheet, can not reverse, thereby guarantee that screw-threaded coupling device is not loosening, guarantee reliably plugging together of two connectors.
The middle part of threaded guide rod 8 be provided be used for its be installed in the step axle collar 21 on the suitable connector shell.
As shown in Figure 1 and Figure 2, the embodiment of Square Connector of the present invention (contact among the figure is not shown), has the screw-threaded coupling device as shown in Fig. 3, Fig. 4, Fig. 5, its screw-threaded coupling device is arranged on the connector shell 10 with pressing plate 6 and screw 15 axial limitings by oneself the step axle collar 21 on one's body, is provided with antifriction sheet 13 between the step axle 21 of the threaded guide rod 8 of screw-threaded coupling device and the respective face of connector shell 10.The ratchet sheet 5 of screw-threaded coupling device is slidingly mounted in the housing 10 front ends square hole corresponding with its square plate structure 22, and two faces of the square structure of ratchet sheet 5 cooperate the formation spline structure with two faces of square hole 22.
Be provided with the adaptive connector shell 11 of connector and cooperate with the threaded guide rod of threaded guide rod mechanism and form the screw thread guide pin bushing 12 of screw thread pair with the screw thread of the end of thread of threaded guide rod.
By spline plane spline, also can on the side face of ratchet sheet rectangular teeth be set, and corresponding mating groove is set on connector shell between the connector shell of ratchet sheet of the present invention and its use, both form spline structure.
The present invention can use the locking of Square Connector, also can be used for having the locking of the anti-cylindrical connector that relatively rotates structure, anti-relatively rotate structure can be arranged on connector cooperates planar structure with spline between the intermateable connector or be arranged on connector with intermateable connector on, the spline structure of the stop pin of use and the pin-and-hole formation that is mated in pairs.
Bolt locking device of the present invention can be used for the locking electric connector that also can be used for of electric connector.
Claims (10)
1. connector, comprise and be used for bolt locking device that connector is connected with intermateable connector, described bolt locking device, comprise threaded guide rod, one end of this threaded guide rod ends spinning and is furnished with a locking nut, the other end is provided with screw thread, it is characterized in that: described locking nut is slidedly assemblied on the threaded guide rod, be respectively arranged with first and second position limiting structures on the threaded guide rod of locking nut both sides, wherein the position limiting structure away from the end of thread of threaded guide rod is first position limiting structure, be provided with spring between the counter structure of first position limiting structure and locking nut, described second position limiting structure, one side is provided with screw thread near the threaded guide rod section of the end of thread, and be installed with the ratchet sheet by screw thread, be respectively equipped with corresponding ratchet on this ratchet sheet and the mutual opposing end faces of described locking nut, described ratchet sheet is provided with and is used for the structure that cooperates with the housing slip spline of the connector that is suitable for.
2. connector according to claim 1, it is characterized in that: axial limiting is provided with a support set on the described threaded guide rod, described first, second position limiting structure is separately positioned on the two ends of this support set, described spring and described locking nut are set on the described support set, the support set place is installed on the described threaded guide rod is provided with the spline plane, the endoporus of described support set is the flat hole that cooperates with the spline plane of threaded guide rod, is provided with the spline fit structure between described locking nut and the support set.
3. connector according to claim 2, it is characterized in that: described first position limiting structure is the plate body that is wholely set on support set, be provided with the stepped cavity of perforation in the described locking nut, this stepped cavity is a wealthy mouthful of section away from the cavity segment of the threaded guide rod end of thread, described spring and described plate body are positioned at the wealthy mouthful section of described stepped cavity, and described locking nut and spline fit structure between the support set are the spline plane of matching with spline plate body plane that be provided with on the inner peripheral surface of wealthy mouthful of section of the spline plane that is provided with on the described plate body outer peripheral face and described stepped cavity.
4. according to claim 2 or 3 described connectors, it is characterized in that: described second position limiting structure is to be arranged on to turn over the riveting structure on the support set termination.
5. connector according to claim 4, it is characterized in that: the riveting structure of turning over of described support set is provided with the step surface location that end forms by the spline plane on the threaded guide rod, the other end is spacing by the back-up ring that is sleeved on the threaded guide rod termination, and this back-up ring cooperates with the riveting structure block that turns on being arranged on the threaded guide rod termination.
6. bolt locking device, comprise threaded guide rod, one end of this threaded guide rod ends spinning and is furnished with a locking nut, the other end is provided with screw thread, it is characterized in that: described locking nut is slidedly assemblied on the threaded guide rod, be respectively arranged with first and second position limiting structures on the threaded guide rod of locking nut both sides, wherein the position limiting structure away from the end of thread of threaded guide rod is first position limiting structure, be provided with spring between the counter structure of first position limiting structure and locking nut, described second position limiting structure, one side is provided with screw thread near the threaded guide rod section of the end of thread, and be installed with the ratchet sheet by screw thread, be respectively equipped with corresponding ratchet on this ratchet sheet and the mutual opposing end faces of described locking nut, described ratchet sheet is provided with and is used for the structure that cooperates with the housing slip spline of the connector that is suitable for.
7. bolt locking device according to claim 6, it is characterized in that: axial limiting is provided with a support set on the described threaded guide rod, described first, second position limiting structure is separately positioned on the two ends of this support set, described spring and described locking nut are set on the described support set, the support set place is installed on the described threaded guide rod is provided with the spline plane, the endoporus of described support set is the flat hole that cooperates with the spline plane of threaded guide rod, is provided with the spline fit structure between described locking nut and the support set.
8. bolt locking device according to claim 7, it is characterized in that: described first position limiting structure is the plate body that is wholely set on support set, be provided with the stepped cavity of perforation in the described locking nut, this stepped cavity is a wealthy mouthful of section away from the cavity segment of the threaded guide rod end of thread, described spring and described plate body are positioned at the wealthy mouthful section of described stepped cavity, and described locking nut and spline fit structure between the support set are the spline plane of matching with spline plate body plane that be provided with on the inner peripheral surface of wealthy mouthful of section of the spline plane that is provided with on the described plate body outer peripheral face and described stepped cavity.
9. according to claim 7 or 8 described bolt locking devices, it is characterized in that: described second position limiting structure is to be arranged on to turn over the riveting structure on the support set termination.
10. bolt locking device according to claim 9, it is characterized in that: the riveting structure of turning over of described support set is provided with the step surface location that end forms by the spline plane on the threaded guide rod, the other end is spacing by the back-up ring that is sleeved on the threaded guide rod termination, and this back-up ring cooperates with the riveting structure block that turns on being arranged on the threaded guide rod termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102056227A CN101667693B (en) | 2009-10-02 | 2009-10-02 | Connector and bolt locking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102056227A CN101667693B (en) | 2009-10-02 | 2009-10-02 | Connector and bolt locking device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101667693A CN101667693A (en) | 2010-03-10 |
| CN101667693B true CN101667693B (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102056227A Expired - Fee Related CN101667693B (en) | 2009-10-02 | 2009-10-02 | Connector and bolt locking device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101667693B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882727B (en) * | 2010-06-30 | 2012-11-28 | 中航光电科技股份有限公司 | Connection-in-place identifiable anti-loose connector |
| CN108757698B (en) * | 2018-09-05 | 2024-04-12 | 合肥惠科金扬科技有限公司 | Anti-loosening device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648671A (en) * | 1986-05-29 | 1987-03-10 | Allied Corporation | Self locking coupling device |
| US5562458A (en) * | 1994-12-23 | 1996-10-08 | The Whitaker Corporation | Interface engagement and locking system |
| US6241548B1 (en) * | 1999-11-19 | 2001-06-05 | Hon Hai Precision Ind. Co., Ltd. | Device for locking two mating connectors |
| CN2857264Y (en) * | 2005-11-16 | 2007-01-10 | 贵州航天电器股份有限公司 | Thread locking mechanism for circuit connector |
| CN201230090Y (en) * | 2008-05-28 | 2009-04-29 | 中航光电科技股份有限公司 | Spiral connection type electric connector and socket thereof |
| CN201536186U (en) * | 2009-10-02 | 2010-07-28 | 中航光电科技股份有限公司 | Connector and bolt locking device thereof |
-
2009
- 2009-10-02 CN CN2009102056227A patent/CN101667693B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648671A (en) * | 1986-05-29 | 1987-03-10 | Allied Corporation | Self locking coupling device |
| US5562458A (en) * | 1994-12-23 | 1996-10-08 | The Whitaker Corporation | Interface engagement and locking system |
| US6241548B1 (en) * | 1999-11-19 | 2001-06-05 | Hon Hai Precision Ind. Co., Ltd. | Device for locking two mating connectors |
| CN2857264Y (en) * | 2005-11-16 | 2007-01-10 | 贵州航天电器股份有限公司 | Thread locking mechanism for circuit connector |
| CN201230090Y (en) * | 2008-05-28 | 2009-04-29 | 中航光电科技股份有限公司 | Spiral connection type electric connector and socket thereof |
| CN201536186U (en) * | 2009-10-02 | 2010-07-28 | 中航光电科技股份有限公司 | Connector and bolt locking device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101667693A (en) | 2010-03-10 |
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