CN201041183Y - Torsion spring type loose-proof bolt - Google Patents
Torsion spring type loose-proof bolt Download PDFInfo
- Publication number
- CN201041183Y CN201041183Y CNU2007200838480U CN200720083848U CN201041183Y CN 201041183 Y CN201041183 Y CN 201041183Y CN U2007200838480 U CNU2007200838480 U CN U2007200838480U CN 200720083848 U CN200720083848 U CN 200720083848U CN 201041183 Y CN201041183 Y CN 201041183Y
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- CN
- China
- Prior art keywords
- bolt
- nut
- torsion spring
- draw
- utility
- 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.)
- Expired - Fee Related
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to a torsion spring type anti-loose bolt consists of a bolt, a nut and a torsion spring. The torsion spring is nested on the nut and the bolt. The utility model is characterized in that clipping grooves are arranged on the outer surfaces of the bolt and the nut, the cross section of each clipping groove arranged on the nut presents a U shape, the both ends of the torsion spring present hook head shapes which can be respectively inserted into the clipping grooves of the nut and the bolt, and the rotation direction of the torsion and the rotation direction of a bolt thread are reverse. The utility model has simple structure and convenient use, completely solves the deficiency existing in the background technology, and prevents effectively the looseness occurring on the connecting thread. The utility model is suitable for the looseness prevention of the connection of the load thread which bears the vibrating impact.
Description
Technical field
The utility model relates to a kind of scyewed joint locking device, especially a kind of torsional spring type chek bolt.
Background technique
The anti-loose method of scyewed joint mainly contains spring washer and compresses method at present, three kinds of set screw nut method, hot assembling methods, and these methods only are applicable to quiet connection or the less occasion of vibratory shock load.In the bigger and frequent occasion of vibratory shock load, because the bolt anamorphic stretching is easy to occur the gap between nut and the coupling surface of contact.And that spring washer compresses the locking stroke of method is extremely short; The set screw nut method is that nut is fixed on the bolt; Hot assembling method predeformation amount is very little.These methods all can not compensate and eliminate the gap that bolt elongate produces, and therefore, loosening phenomenon can take place unavoidably.
Summary of the invention
The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, torsional spring type chek bolt a kind of simple in structure, easy to use to be provided, make it can prevent from effectively bearing under the vibratory shock load, connecting the loosening phenomenon that screw thread produces.
At the foregoing invention purpose, the utility model adopts following technological scheme.A kind of torsional spring type chek bolt, form by bolt, nut and torsion spring, described torsion spring set is on nuts and bolt, it is characterized in that offering draw-in groove at the screw bolt and nut outer surface, the described cross section that is opened in draw-in groove on the nut is a u shape, two of described torsion spring is the gib head shape, and they can insert respectively in the draw-in groove on the nuts and bolt, and the sense of rotation of torsion spring is opposite with the sense of rotation of bolt thread.
In such scheme, can be provided with a ring that is connected as a single entity with torsion spring on the described torsion spring.
In such scheme, the draw-in groove on the described nut preferably is positioned at the lower end of nut, and is uniform along the nut circumferencial direction, and the draw-in groove side that is positioned at the lower end of nut is open surface.
The utility model is simple in structure, and is easy to use, and it has thoroughly solved the deficiency that the above-mentioned background technology exists, and can prevent to connect loosening that screw thread produces effectively.Be particularly suitable for bearing the locking of vibratory shock load scyewed joint.
Description of drawings
Fig. 1 is an assembling schematic representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B sectional view of Fig. 1.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model is made up of bolt 1, nut 4 and torsion spring 5, described torsion spring 5 is enclosed within on nut 4 and the bolt 1, offer draw-in groove 9 at bolt 1 outer surface, being provided with cross section on nut is the draw-in groove 10 of u shape, draw-in groove 10 is positioned at the lower end of nut 4, and is uniform along the nut circumferencial direction, and draw-in groove 10 sides that are positioned at the lower end of nut are open surface.Two of described torsion spring 5 is the gib head shape, and they can insert respectively in the draw-in groove on the nuts and bolt, and the sense of rotation of torsion spring 5 is opposite with the sense of rotation of bolt 1 screw thread.On torsion spring 5, be provided with a ring 8 that is connected as a single entity with torsion spring.
When the utility model uses, bolt 1 is penetrated in the hole of required fastening part 2 and part 3, nut 4 is tightened on the bolt 1, torsion spring 5 is inserted on bolt 1 and the nut 4, and in the draw-in groove 9 with gib head 7 stud bolts 1 head on this torsion spring, stir ring 8 on the torsion spring with special tool, make it to be turned round, and the gib head 6 of torsion spring lower end is embedded in a nearest draw-in groove 10 of nut 4.Circumferencial direction at nut 4 is evenly equipped with 3 draw-in grooves 10.Since torsion spring 5 sense of rotation opposite with the sense of rotation of bolt 1 screw thread, on nut 4, just applied a locking moment like this.When producing the gap for various reasons between nut 4 and the part 3, under the spring torque effect, nut 4 rotates eliminates this gap, reaches locking purpose.
Claims (3)
1. torsional spring type chek bolt, form by bolt, nut and torsion spring, described torsion spring set is on nuts and bolt, it is characterized in that offering draw-in groove at the screw bolt and nut outer surface, the described cross section that is opened in draw-in groove on the nut is a u shape, two of described torsion spring is the gib head shape, and they can insert respectively in the draw-in groove on the nuts and bolt, and the sense of rotation of torsion spring is opposite with the sense of rotation of bolt thread.
2. torsional spring type chek bolt according to claim 1 is characterized in that being provided with a ring that is connected as a single entity with torsion spring on torsion spring.
3. torsional spring type chek bolt according to claim 1 and 2 is characterized in that the draw-in groove on the described nut is positioned at the lower end of nut, and uniform along the nut circumferencial direction, the draw-in groove side that is positioned at the lower end of nut is open surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200838480U CN201041183Y (en) | 2007-03-22 | 2007-03-22 | Torsion spring type loose-proof bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200838480U CN201041183Y (en) | 2007-03-22 | 2007-03-22 | Torsion spring type loose-proof bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041183Y true CN201041183Y (en) | 2008-03-26 |
Family
ID=39252888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200838480U Expired - Fee Related CN201041183Y (en) | 2007-03-22 | 2007-03-22 | Torsion spring type loose-proof bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041183Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2599612C1 (en) * | 2015-04-10 | 2016-10-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Владимирский государственный университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) | Improved reliability and versatility threaded connection |
| CN110805613A (en) * | 2019-11-29 | 2020-02-18 | 徐州九鼎锻造科技有限公司 | Slewing bearing with function of making an uproar is fallen |
| CN110868168A (en) * | 2019-11-13 | 2020-03-06 | 深圳市凯合达智能设备有限公司 | Filter convenient to dismantle |
| CN111927861A (en) * | 2020-07-16 | 2020-11-13 | 浙江亦宸五金有限公司 | Double-end connecting combination bolt of engine |
| CN113847330A (en) * | 2021-09-22 | 2021-12-28 | 嘉兴圣龙五金科技股份有限公司 | Self-supporting iron tower equipment is with preventing tearing open bolt |
-
2007
- 2007-03-22 CN CNU2007200838480U patent/CN201041183Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2599612C1 (en) * | 2015-04-10 | 2016-10-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Владимирский государственный университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) | Improved reliability and versatility threaded connection |
| CN110868168A (en) * | 2019-11-13 | 2020-03-06 | 深圳市凯合达智能设备有限公司 | Filter convenient to dismantle |
| CN110868168B (en) * | 2019-11-13 | 2021-11-30 | 成都信和创业科技有限责任公司 | Filter convenient to dismantle |
| CN110805613A (en) * | 2019-11-29 | 2020-02-18 | 徐州九鼎锻造科技有限公司 | Slewing bearing with function of making an uproar is fallen |
| CN111927861A (en) * | 2020-07-16 | 2020-11-13 | 浙江亦宸五金有限公司 | Double-end connecting combination bolt of engine |
| CN111927861B (en) * | 2020-07-16 | 2022-03-25 | 浙江亦宸五金有限公司 | Double-end connecting combination bolt of engine |
| CN113847330A (en) * | 2021-09-22 | 2021-12-28 | 嘉兴圣龙五金科技股份有限公司 | Self-supporting iron tower equipment is with preventing tearing open bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 |