CN103047251B - Anti-loose screw screw mechanism and use the electric connector of this mechanism - Google Patents
Anti-loose screw screw mechanism and use the electric connector of this mechanism Download PDFInfo
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- CN103047251B CN103047251B CN201210542881.0A CN201210542881A CN103047251B CN 103047251 B CN103047251 B CN 103047251B CN 201210542881 A CN201210542881 A CN 201210542881A CN 103047251 B CN103047251 B CN 103047251B
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- screw
- inner sleeve
- locking cap
- pin
- hole
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Abstract
The present invention relates to electric connector field, especially a kind of Anti-loose screw screw mechanism and use the electric connector of this mechanism.Screw screw mechanism comprises screw and screw rod, the rear portion of screw has the handle part for holding, front place at handle part on screw is equipped with inner sleeve, inner sleeve is arranged with locking cap, locking cap coordinates with inner sleeve activity along the longitudinal direction, the internal face of locking cap is provided with bail, inner sleeve is provided with draw-in groove, draw-in groove comprises the transverse groove that the circumference along inner sleeve extends and the cannelure extended from front to back at the rear of cannelure, the transverse groove of draw-in groove is crossing with cannelure and interconnect, turn edge in the rear end of locking cap is provided with, be top-loaded with between the medial surface that this is interior turns edge and inner sleeve and hold out against spring, one in turning edge in described handle part and locking cap is provided with pin-and-hole, another is installed with pin, when bail is arranged in transverse groove, pin is aligned with each other with corresponding pin-and-hole, solve the problem that existing screw screw mechanism easily loosens.
Description
Technical field
The present invention relates to electric connector field, especially a kind of Anti-loose screw screw mechanism and use the electric connector of this mechanism.
Background technology
Along with integrated, the modular fast development of electric equipment, the application of electric coupler component is increasingly extensive.In the occasion that some are special, part electric connector cannot adopt the conventional mode that plugs together greatly owing to plugging together power, need the axial coupling torque with screw screw-rod structure, the turning moment between screw and screw rod being converted into electric connector, but, under the environment such as some load, between screw and screw rod, unavoidable generation loosens, and this lost efficacy directly causing the locking of electric connector, causes electric connector to occur the problem of unexpected disconnection or loose contact.Therefore, the locking problem solved between swivel nut and screw becomes the task of top priority.
Summary of the invention
The object of the present invention is to provide a kind of Anti-loose screw screw mechanism, to solve the problem that existing screw screw mechanism easily loosens.
Meanwhile, the present invention also aims to provide the electric connector using above-mentioned Anti-loose screw screw mechanism.
In order to solve the problem, Anti-loose screw screw mechanism of the present invention is by the following technical solutions: a kind of Anti-loose screw screw mechanism, comprise screw and screw rod, the rear portion of described screw has the handle part for holding, coaxially at the front place of handle part on screw be rotatably equipped with inner sleeve, rotatingly on inner sleeve be arranged with locking cap, described locking cap coordinates with inner sleeve activity along the longitudinal direction, the internal face of locking cap is provided with inwardly protruded bail, the outer peripheral face of inner sleeve is provided with the draw-in groove corresponding with described bail, described draw-in groove comprises the transverse groove that the circumference along inner sleeve extends and the cannelure extended from back to front at the rear of transverse groove, the transverse groove of draw-in groove is crossing with cannelure and interconnect, turn edge in the rear end of locking cap is provided with, be top-loaded with between the medial surface that this is interior turns edge and inner sleeve and hold out against spring, one in turning edge in described handle part and locking cap is provided with pin-and-hole, another is installed with the pin corresponding with described pin-and-hole, when bail is arranged in described cannelure, aim between pin and corresponding pin-and-hole and plug together under the effect of top pressure spring.
The rear end of screw is equipped with handwheel, and between handwheel with screw, key coordinates, and the handle part of screw is made up of described handwheel.
Dihedral is formed after the cannelure of described draw-in groove and transverse groove intersect.
The rear portion of inner sleeve is provided with installing hole, this installing hole be blind hole and opening backward, described top pressure spring is in the installing hole of correspondence and between top is contained in and turns edge at the bottom of the hole of this installing hole and in locking cap.
On described pin is located in locking cap and turns edge, described pin-and-hole is located on the handle part of screw.
Electric connector of the present invention is by the following technical solutions: a kind of electric connector, this electric connector take front end as inserted terminal, comprise the housing and screw screw mechanism that one in front and one in back arrange, the rear portion of described screw has the handle part for holding, coaxially at the front place of handle part on screw be rotatably equipped with inner sleeve, rotatingly on inner sleeve be arranged with locking cap, described locking cap coordinates with inner sleeve activity along the longitudinal direction, the internal face of locking cap is provided with inwardly protruded bail, the outer peripheral face of inner sleeve is provided with the draw-in groove corresponding with described bail, described draw-in groove comprises the transverse groove that the circumference along inner sleeve extends and the cannelure extended from back to front at the rear of transverse groove, the transverse groove of draw-in groove is crossing with cannelure and interconnect, turn edge in the rear end of locking cap is provided with, be top-loaded with between the medial surface that this is interior turns edge and inner sleeve and hold out against spring, one in turning edge in described handle part and locking cap is provided with pin-and-hole, another is installed with the pin corresponding with described pin-and-hole, when bail is arranged in described cannelure, aim between pin and corresponding pin-and-hole and plug together under the effect of top pressure spring.
The rear end of screw is equipped with handwheel, and between handwheel with screw, key coordinates, and the handle part of screw is made up of described handwheel.
Dihedral is formed after the cannelure of described draw-in groove and transverse groove intersect.
The rear portion of inner sleeve is provided with installing hole, this installing hole be blind hole and opening backward, described top pressure spring is in the installing hole of correspondence and between top is contained in and turns edge at the bottom of the hole of this installing hole and in locking cap.
On described pin is located in locking cap and turns edge, described pin-and-hole is located on the handle part of screw.
Coaxially at the front place of handle part on the screw of Anti-loose screw screw mechanism of the present invention be rotatably equipped with inner sleeve, therefore, this inner sleeve can be fixedly connected with corresponding electric connector in use, thus the mutual rotation between can realizing screw screw rod is easily converted to electric connector movement vertically, in addition, the internal face of locking cap is provided with inwardly protruded bail, the outer peripheral face of inner sleeve is provided with the draw-in groove corresponding with described bail, described draw-in groove comprises the transverse groove that the circumference along inner sleeve extends and the cannelure extended from front to back at the rear of transverse groove, the transverse groove of draw-in groove is crossing with cannelure and interconnect, when described bail is stuck in described cannelure, can realize locking the axis of locking cap, when rotation lock cap makes bail be stuck in transverse groove, can remove again and the axis of locking cap is locked, push up between the medial surface turned edge in locking cap and inner sleeve fill hold out against spring locking cap can be made to produce the trend of a movement backward, thus make described pin-and-hole and pin be realized when the axial limiting of locking cap removes automatically plugging together, thus can at the spacing lower prevention screw of corresponding electric connector relative to bolt rotary, and then realize the locking of screw screw-rod structure, solve the problem that existing screw screw mechanism easily loosens.
Further, handwheel adds the comfortableness of this screw screw mechanism operation; Dihedral is formed after the cannelure of draw-in groove and transverse groove are intersected, namely the two intersects but does not intersect, the location to bail can be realized, namely when locking locking cap, only need to post-tensioning locking cap just to rotate locking cap to pulling, unlock locking cap time, rotation lock cap to it by block; Support top pressing spring at the bottom of the hole of the described installing hole on inner sleeve is adopted to add the compactedness of mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 under non-locking state of screw screw mechanism of the present invention;
Fig. 2 is embodiment 1 structural representation in the locked condition of screw screw mechanism of the present invention;
Fig. 3 is the structural representation of the inner sleeve in Fig. 1;
Fig. 4 is the structural representation of the locking cap in Fig. 1;
Fig. 5 is the structural representation of the screw screw mechanism of the embodiment 1 of electric connector of the present invention.
Embodiment
The embodiment 1 of screw screw mechanism of the present invention, as Figure 1-4, comprise screw 11 and the screw rod 12 with screw 11 threaded engagement, the rear end of screw 11 is equipped with handwheel 13, handwheel 13 overlaps screw 11 from the rear end of screw 11 and is fixed on screw 11 by jump ring 14, between screw 11 with handwheel 13, key coordinates, and screw 11 can be driven to rotate by rotating handwheel 13, therefore handwheel 13 forms the handle part of screw 11, front place at handwheel 13 on screw 11 is coaxially equipped with inner sleeve 15, inner sleeve 15 is assemblied on screw 11 by bearing 16, its rear portion has the undergauge section of a reduced diameter, this undergauge section makes the rearward step surface of forming surface in the outside wall surface of inner sleeve 15, described undergauge section has installing hole 17, installing hole 17 be opening towards rearward blind hole, be equipped with top pressure spring 18 in this blind hole, rotatingly on inner sleeve 15 be arranged with locking cap 19, locking cap 19 to be assemblied on inner sleeve 15 and to coordinate with inner sleeve 15 activity along the longitudinal direction, in addition, the internal face of locking cap 19 is provided with inwardly protruded bail 20, the outer peripheral face of inner sleeve 15 is provided with the draw-in groove corresponding with bail, draw-in groove comprises circumference along inner sleeve around the transverse groove 21 of the Axis Extension of inner sleeve and the cannelure 22 that extends from back to front at the rear of transverse groove 21, cannelure 22 runs through the step surface in inner sleeve 15 outside wall surface backward, the transverse groove of draw-in groove is crossing with cannelure and interconnect, angular structure is formed after the two intersection, turn edge in the rear end of locking cap 19 is provided with, holding out against spring 18 top is contained between the medial surface that turns edge at the bottom of the hole of the installing hole at its place and in locking cap 19, the front end face of handwheel 13 is provided with pin-and-hole 23, turn edge in locking cap 19 pin 24 being provided with and extending back, when the bail on locking cap internal face is arranged in described cannelure, aim between pin and corresponding pin-and-hole and plug together under the effect of top pressure spring.
In other embodiment of screw screw mechanism of the present invention, the position of the pin described in above-described embodiment 1 and pin-and-hole can also exchange; Described handwheel can also by replacing the corresponding end overstriking of screw, namely by the corresponding end overstriking of screw being formed the handle part of screw.
The embodiment 1 of screw screw mechanism of the present invention, as shown in Figure 5, comprise housing and screw screw mechanism, the structure of screw screw mechanism is identical with the structure of the embodiment 1 of above-mentioned screw screw mechanism, it will not go into details herein, and the inner sleeve of housing and screw screw mechanism is fixed together.
Claims (10)
1. an Anti-loose screw screw mechanism, comprise screw and screw rod, the rear end of described screw has the handle part for holding, it is characterized in that, coaxially at the front place of handle part on screw be rotatably equipped with inner sleeve, inner sleeve by bearing assemble on screw, rotatingly on inner sleeve be arranged with locking cap, described locking cap coordinates with inner sleeve activity along the longitudinal direction, the internal face of locking cap is provided with inwardly protruded bail, the outer peripheral face of inner sleeve is provided with the draw-in groove corresponding with described bail, described draw-in groove comprises the transverse groove that the circumference along inner sleeve extends and the cannelure extended from back to front at the rear of transverse groove, the transverse groove of draw-in groove is crossing with cannelure and interconnect, turn edge in the rear end of locking cap is provided with, top pressure spring is top-loaded with between the medial surface that this is interior turns edge and inner sleeve, one in turning edge in described handle part and locking cap is provided with pin-and-hole, another is installed with the pin corresponding with described pin-and-hole, when bail is arranged in described cannelure, aim between pin and corresponding pin-and-hole and plug together under the effect of top pressure spring.
2. Anti-loose screw screw mechanism according to claim 1, it is characterized in that, the rear end of screw is equipped with handwheel, and between handwheel with screw, key coordinates, and the handle part of screw is made up of described handwheel.
3. Anti-loose screw screw mechanism according to claim 1, is characterized in that, forms dihedral after the cannelure of described draw-in groove and transverse groove intersect.
4. Anti-loose screw screw mechanism according to claim 1, it is characterized in that, the rear portion of inner sleeve is provided with installing hole, this installing hole be blind hole and opening backward, described top pressure spring is in the installing hole of correspondence and between top is contained in and turns edge at the bottom of the hole of this installing hole and in locking cap.
5. the Anti-loose screw screw mechanism according to any one of claim 1-4, is characterized in that, on described pin is located in locking cap and turns edge, described pin-and-hole is located on the handle part of screw.
6. an electric connector, this electric connector take front end as inserted terminal, comprise the housing and screw screw mechanism that one in front and one in back arrange, the rear end of described screw has the handle part for holding, it is characterized in that, coaxially at the front place of handle part on screw be rotatably equipped with inner sleeve, inner sleeve by bearing assemble on screw, described inner sleeve and housing are fixedly assembled together or are set to one, rotatingly on inner sleeve be arranged with locking cap, described locking cap coordinates with inner sleeve activity along the longitudinal direction, the internal face of locking cap is provided with inwardly protruded bail, the outer peripheral face of inner sleeve is provided with the draw-in groove corresponding with described bail, described draw-in groove comprises the transverse groove that the circumference along inner sleeve extends and the cannelure extended from back to front at the rear of transverse groove, the transverse groove of draw-in groove is crossing with cannelure and interconnect, turn edge in the rear end of locking cap is provided with, top pressure spring is top-loaded with between the medial surface that this is interior turns edge and inner sleeve, one in turning edge in described handle part and locking cap is provided with pin-and-hole, another is installed with the pin corresponding with described pin-and-hole, when bail is arranged in described cannelure, aim between pin and corresponding pin-and-hole and plug together under the effect of top pressure spring.
7. electric connector according to claim 6, is characterized in that, the rear end of screw is equipped with handwheel, and between handwheel with screw, key coordinates, and the handle part of screw is made up of described handwheel.
8. electric connector according to claim 6, is characterized in that, forms dihedral after the cannelure of described draw-in groove and transverse groove intersect.
9. electric connector according to claim 6, it is characterized in that, the rear portion of inner sleeve is provided with installing hole, this installing hole be blind hole and opening backward, described top pressure spring is in the installing hole of correspondence and between top is contained in and turns edge at the bottom of the hole of this installing hole and in locking cap.
10. the electric connector according to any one of claim 6-9, is characterized in that, on described pin is located in locking cap and turns edge, described pin-and-hole is located on the handle part of screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542881.0A CN103047251B (en) | 2012-12-15 | 2012-12-15 | Anti-loose screw screw mechanism and use the electric connector of this mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542881.0A CN103047251B (en) | 2012-12-15 | 2012-12-15 | Anti-loose screw screw mechanism and use the electric connector of this mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047251A CN103047251A (en) | 2013-04-17 |
| CN103047251B true CN103047251B (en) | 2015-09-23 |
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ID=48060029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210542881.0A Expired - Fee Related CN103047251B (en) | 2012-12-15 | 2012-12-15 | Anti-loose screw screw mechanism and use the electric connector of this mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103047251B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991820B (en) * | 2014-06-04 | 2016-09-07 | 吉林大学 | The level(l)ing device of heavy-duty screw synchronous lifting platform |
| CN108258530B (en) * | 2017-12-04 | 2019-12-24 | 中航光电科技股份有限公司 | Connector plug with thread locking mechanism |
| CN110197977B (en) * | 2018-02-27 | 2021-05-18 | 中航光电科技股份有限公司 | Connector and connector assembly using same |
| CN109884488A (en) * | 2019-04-11 | 2019-06-14 | 苏州正秦电气有限公司 | A kind of bushing shell for transformer online oil monitoring device collector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1113173A (en) * | 1965-04-30 | 1968-05-08 | Plessey Co Ltd | Improvements in or relating to coupling devices,more particularly for electrical connectors |
| US4464001A (en) * | 1982-09-30 | 1984-08-07 | The Bendix Corporation | Coupling nut having an anti-decoupling device |
| US5015195A (en) * | 1990-03-13 | 1991-05-14 | Thomas & Betts Corporation | Plug and socket electrical connection assembly |
| JP3292462B2 (en) * | 1998-05-29 | 2002-06-17 | ホシデン株式会社 | Connector with locking mechanism |
| US6226068B1 (en) * | 1999-08-27 | 2001-05-01 | Amphenol Corporation | Self-locking bayonet coupling mechanism |
| JP3388438B2 (en) * | 2000-03-17 | 2003-03-24 | 日本航空電子工業株式会社 | connector |
| US7726999B2 (en) * | 2007-12-21 | 2010-06-01 | Van-System S.R.L. | Electrical connector set |
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2012
- 2012-12-15 CN CN201210542881.0A patent/CN103047251B/en not_active Expired - Fee Related
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| CN103047251A (en) | 2013-04-17 |
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Granted publication date: 20150923 Termination date: 20181215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |