CN202360558U - Anti-theft nut with tightening device on side part of nut body - Google Patents
Anti-theft nut with tightening device on side part of nut body Download PDFInfo
- Publication number
- CN202360558U CN202360558U CN2011204049875U CN201120404987U CN202360558U CN 202360558 U CN202360558 U CN 202360558U CN 2011204049875 U CN2011204049875 U CN 2011204049875U CN 201120404987 U CN201120404987 U CN 201120404987U CN 202360558 U CN202360558 U CN 202360558U
- Authority
- CN
- China
- Prior art keywords
- nut
- nut body
- theft
- protecting cover
- outside
- 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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- Transmission Devices (AREA)
Abstract
The utility model relates to a nut, in particular to an anti-theft nut, and is widely applied to field facilities such as power and railways. The anti-theft nut with a tightening device on the side part of a nut body comprises the nut body and a protective sleeve outside the nut body, wherein the protective sleeve is provided with a structure which is arranged outside the nut body; and a contraction opening is formed at the lower end of the protective sleeve. The anti-theft nut with the tightening device on the side part of the nut body is characterized in that: a tightening groove which changes deep from shallow along a tightening direction is formed on the outside part of the nut body; and a steel ball and a spring are arranged in the tightening groove. The utility model has the advantages that: the anti-theft nut is convenient to use, easy to manufacture and low in cost, cannot crack and has a good anti-theft effect.
Description
Technical field
The utility model relates to nut, relates to anti-theft nut, and it is widely used on the field facilities such as electric power, railway.
Background technique
Anti-theft nut comprises nut body and outside protecting cover; Immediate technology is: protecting cover has the structure that is installed in the nut body outside; And adhesive bond, abutting edge cracking when tightening breaks away from nut body and protecting cover; Reach the purpose of antitheft, such anti-theft nut has the front attachment place inefficacy easy to crack, easy of use, the not wield shortcoming of cracking strength when tightening.
Summary of the invention
The purpose of the utility model is exactly to above-mentioned shortcoming, and the anti-theft nut of a kind of fastening device easy to use, that can not ftracture at the nut body sidepiece is provided.
The purpose of the utility model is achieved in that the anti-theft nut of fastening device at the nut body sidepiece; Comprise nut body and outside protecting cover; Protecting cover has the structure that is installed in the nut body outside; Described protecting cover lower end has contraction mouth, it is characterized in that: described nut body lateral part have along tighten direction from depth to shallow tighten groove, tighten and have steel ball and spring in the groove.
The beneficial effect of the utility model is: such anti-theft nut have easy to use, can not ftracture, easy to manufacture, advantage that cost is low, the better advantage of anti-theft effect.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein, 1, nut body 2, protecting cover 3, contraction mouth 4, tighten groove 5, steel ball.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to describe.
As shown in Figure 1; Fastening device is at the anti-theft nut of nut body sidepiece; Comprise nut body 1 and outside protecting cover 2, protecting cover 2 has the structure that is installed in nut body 1 outside, and described protecting cover 2 lower ends have contraction mouth 3; It is characterized in that: described nut body 1 lateral part have along tighten direction from depth to shallow tighten groove 4, tighten and have steel ball 5 and spring in the groove 4.
When tightening, steel ball 5 acts on the protecting cover inwall, and protecting cover and nut body are rotated simultaneously; After tightening, the upset protecting cover just can not the rotating nut body, reaches the effect of antitheft.
Claims (1)
1. fastening device is at the anti-theft nut of nut body sidepiece; Comprise nut body and outside protecting cover; Protecting cover has the structure that is installed in the nut body outside; Described protecting cover lower end has contraction mouth, it is characterized in that: described nut body lateral part have along tighten direction from depth to shallow tighten groove, tighten and have steel ball and spring in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204049875U CN202360558U (en) | 2011-10-23 | 2011-10-23 | Anti-theft nut with tightening device on side part of nut body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204049875U CN202360558U (en) | 2011-10-23 | 2011-10-23 | Anti-theft nut with tightening device on side part of nut body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360558U true CN202360558U (en) | 2012-08-01 |
Family
ID=46571747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204049875U Expired - Fee Related CN202360558U (en) | 2011-10-23 | 2011-10-23 | Anti-theft nut with tightening device on side part of nut body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360558U (en) |
-
2011
- 2011-10-23 CN CN2011204049875U patent/CN202360558U/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: 20120801 Termination date: 20121023 |