CN202612339U - Looseness-preventing device - Google Patents
Looseness-preventing device Download PDFInfo
- Publication number
- CN202612339U CN202612339U CN 201220123305 CN201220123305U CN202612339U CN 202612339 U CN202612339 U CN 202612339U CN 201220123305 CN201220123305 CN 201220123305 CN 201220123305 U CN201220123305 U CN 201220123305U CN 202612339 U CN202612339 U CN 202612339U
- Authority
- CN
- China
- Prior art keywords
- nut
- fastener
- fastened piece
- looseness
- bolt
- 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 looseness-preventing device. The looseness-preventing device comprises a first fastened piece, a second fastened piece, a bolt, a nut, a gasket and a pressing sleeve, wherein the first fastened piece is arranged on the second fastened piece; the bolt penetrates the second fastened piece and the first fastened piece; the gasket passes through the bolt and is disposed on the upper surface of the first fastened piece; the nut is fixed on the bolt through threads and presses the gasket tightly; and the pressing sleeve is sleeved on the nut and fixed on the upper surface of the first fastened piece through a screw. According to the looseness-preventing device, by adoption of the structure that the pressing sleeve which is additionally arranged is sleeved on the nut and fixed on the upper surface of the first fastened piece through the screw, the nut is pressed and cannot rotate so that looseness of the nut cannot happen whether in a vibration state or a motionless state, looseness of the first fastened piece and the second fastened piece is prevented, and danger brought by the looseness of the first fastened piece and the second fastened piece is avoided.
Description
Technical field
The utility model relates to a kind of improvement of securing means, especially relates to a kind of locking device that prevents nut loosening that has, and belongs to the securing means technical field.
Background technique
In the existing technology, two fasteners are realized the fixing of two fasteners through bolt, nut, pad also together usually; This means of fixation relatively is fit to state of rest, if, when two fasteners are in vibrational state, then can be owing to the effect of vibration, loosening the coming that nut can be slowly causes two fasteners to break away from tightening states, causes security incident.
The model utility content
The utility model purpose is for the deficiency that overcomes existing technology a kind of locking device that prevents nut loosening that has to be provided.
For achieving the above object, the technological scheme that the utility model adopts is: a kind of locking device comprises first fastener, second fastener, bolt, nut, pad, clamping sleeve; Said first fastener is arranged on second fastener; Said bolt passes second fastener, first fastener; Said pad passes the upper surface that bolt is arranged on first fastener; Said nut thread is fixed on the bolt, and compress gasket; Said clamping sleeve is set on the nut, and through the upper surface of screw at first fastener.
The beneficial effect of the utility model is mainly reflected in: the described locking device of the utility model is through setting up clamping sleeve, and said clamping sleeve is set on the nut, and through the upper surface of screw at first fastener; This structure; Because nut pushed down, can't produce again and rotatablely move, thereby to be in vibrational state still be that state of rest the nut loosening phenomenon can not occur; Prevent the loosening of first fastener and second fastener, avoided their loosening danger that brings.
Description of drawings
Below in conjunction with accompanying drawing the utility model technological scheme is described further:
Accompanying drawing 1 is the stereogram of the described locking device of the utility model;
Wherein: 1, first fastener; 2, second fastener; 3, bolt; 4, nut; 5, pad; 6, clamping sleeve; 7, screw.
Embodiment
The described a kind of locking device of the utility model shown in accompanying drawing 1 comprises first fastener 1, second fastener 2, bolt 3, nut 4, pad 5, clamping sleeve 6; Said first fastener 1 is arranged on second fastener 2; Said bolt 3 passes second fastener 2, first fastener 1; Said pad 5 passes the upper surface that bolt 3 is arranged on first fastener 2; Said nut 4 screw threads are fixed on the bolt 3, and compress gasket 5; Said clamping sleeve 6 is set on the nut 4, and is fixed on the upper surface of first fastener 1 through screw 7.
The beneficial effect of the utility model is mainly reflected in: the described locking device of the utility model is through setting up clamping sleeve, and said clamping sleeve is set on the nut, and through the upper surface of screw at first fastener; This structure; Because nut pushed down, can't produce again and rotatablely move, thereby to be in vibrational state still be that state of rest the nut loosening phenomenon can not occur; Prevent the loosening of first fastener and second fastener, avoided their loosening danger that brings.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, all drop within the utility model rights protection scope.
Claims (1)
1. a locking device comprises first fastener, second fastener, bolt, nut, pad, clamping sleeve; Said first fastener is arranged on second fastener; Said bolt passes second fastener, first fastener; Said pad passes the upper surface that bolt is arranged on first fastener; Said nut thread is fixed on the bolt, and compress gasket; It is characterized in that: said clamping sleeve is set on the nut, and through the upper surface of screw at first fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123305 CN202612339U (en) | 2012-03-29 | 2012-03-29 | Looseness-preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123305 CN202612339U (en) | 2012-03-29 | 2012-03-29 | Looseness-preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612339U true CN202612339U (en) | 2012-12-19 |
Family
ID=47346041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220123305 Expired - Fee Related CN202612339U (en) | 2012-03-29 | 2012-03-29 | Looseness-preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506668A (en) * | 2018-04-10 | 2018-09-07 | 浙江捷昌线性驱动科技股份有限公司 | A kind of compact-sized electric lifting platform |
-
2012
- 2012-03-29 CN CN 201220123305 patent/CN202612339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506668A (en) * | 2018-04-10 | 2018-09-07 | 浙江捷昌线性驱动科技股份有限公司 | A kind of compact-sized electric lifting platform |
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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: 20121219 Termination date: 20140329 |