CN201851475U - Antitheft nut with dodecagonal body embedded in protecting sleeve - Google Patents
Antitheft nut with dodecagonal body embedded in protecting sleeve Download PDFInfo
- Publication number
- CN201851475U CN201851475U CN2010205787256U CN201020578725U CN201851475U CN 201851475 U CN201851475 U CN 201851475U CN 2010205787256 U CN2010205787256 U CN 2010205787256U CN 201020578725 U CN201020578725 U CN 201020578725U CN 201851475 U CN201851475 U CN 201851475U
- Authority
- CN
- China
- Prior art keywords
- nut
- nut body
- antitheft
- protecting cover
- protecting sleeve
- 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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Abstract
The utility model belongs to nuts, relates to an antitheft nut and particularly to an antitheft nut with a dodecagonal body embedded in a protecting sleeve. The nut comprises the nut body and the protecting sleeve, a big-end-up frustum structure is arranged outside the nut body or a projecting structure is arranged on the upper portion of the nut body, a hollow structure holding the nut body is arranged inside the protecting sleeve, an antitheft slot which is shallow gradually along a screwing-on direction is arranged inside the nut body, a steel ball is disposed inside the antitheft slot, and a centering angle of the antitheft slot is smaller than or equal to 30 degrees. The antitheft nut is characterized in that the nut body is lower than the protecting sleeve, and a dodecagonal prism structure is arranged outside the nut body. The nut has the advantages of preventing from being screwed off by an exposed portion of the nut body and has better antitheft effect.
Description
Technical field
The utility model relates to nut, relates to anti-theft nut, specifically relates to the cave in anti-theft nut of protecting cover of a kind of 12 rib bodies.
Background technique
Anti-theft nut comprises inner nut body and outside protecting cover, in the prior art, after tightening, the end face of nut body outside exceeds the end face of protecting cover, very little one section that so just can utilize the nut body outside to expose discharges, makes nut lose antitheft effect.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned shortcoming, the anti-theft nut that provides a kind of 12 effective rib bodies simple in structure, anti-loosening to cave in protecting cover.
The purpose of this utility model is achieved in that the cave in anti-theft nut of protecting cover of 12 rib bodies, comprise nut body and protecting cover, the nut body outside has the lobed structure of up big and down small frustoconic shape structure or top, protecting cover inside has the hollow-core construction of having jurisdiction over nut body, nut body inside has along tightening direction by being deep to shallow antitheft groove, antitheft groove inside has steel ball, the centering angle of described antitheft groove is smaller or equal to 30 °, it is characterized in that: described nut body has the height littler than protecting cover, and described nut body outside is the prism structure with 12 ribs.
The beneficial effects of the utility model are: the cave in anti-theft nut of protecting cover of the body of this spline structure has and prevents the effect of utilizing the nut body exposed portions serve to discharge to have better anti-theft effect.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of nut body inside.
Wherein, 1, nut body 2, protecting cover 3, antitheft groove 4, steel ball
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As Fig. 1, shown in 2, the cave in anti-theft nut of protecting cover of 12 rib bodies, comprise nut body 1 and protecting cover 2, nut body 1 outside has the lobed structure of up big and down small frustoconic shape structure or top, protecting cover 2 inside have the hollow-core construction of having jurisdiction over nut body, nut body 1 inside has along tightening direction by being deep to shallow antitheft groove 3, antitheft groove 3 inside have steel ball 4, the centering angle of described antitheft groove 3 is smaller or equal to 30 °, it is characterized in that: described nut body 1 has the height littler than protecting cover 2, and described nut body outside is the prism structure with 12 ribs.
After such nut was first-class, protecting cover just was higher than nut body, is protecting nut body, reached antitheft effect.
Claims (1)
1. the 12 rib bodies anti-theft nut of protecting cover that caves in, comprise nut body and protecting cover, the nut body outside has the lobed structure of up big and down small frustoconic shape structure or top, protecting cover inside has the hollow-core construction of having jurisdiction over nut body, nut body inside has along tightening direction by being deep to shallow antitheft groove, antitheft groove inside has steel ball, the centering angle of described antitheft groove is smaller or equal to 30 °, it is characterized in that: described nut body has the height littler than protecting cover, and described nut body outside is the prism structure with 12 ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205787256U CN201851475U (en) | 2010-10-27 | 2010-10-27 | Antitheft nut with dodecagonal body embedded in protecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205787256U CN201851475U (en) | 2010-10-27 | 2010-10-27 | Antitheft nut with dodecagonal body embedded in protecting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851475U true CN201851475U (en) | 2011-06-01 |
Family
ID=44093867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205787256U Expired - Fee Related CN201851475U (en) | 2010-10-27 | 2010-10-27 | Antitheft nut with dodecagonal body embedded in protecting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851475U (en) |
-
2010
- 2010-10-27 CN CN2010205787256U patent/CN201851475U/en not_active Expired - Fee Related
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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: 20110601 Termination date: 20111027 |