CN2349398Y - Theft-proof screw bolt joint pair - Google Patents
Theft-proof screw bolt joint pair Download PDFInfo
- Publication number
- CN2349398Y CN2349398Y CN 97213373 CN97213373U CN2349398Y CN 2349398 Y CN2349398 Y CN 2349398Y CN 97213373 CN97213373 CN 97213373 CN 97213373 U CN97213373 U CN 97213373U CN 2349398 Y CN2349398 Y CN 2349398Y
- Authority
- CN
- China
- Prior art keywords
- nut
- model
- utility
- bolt
- screw 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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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to a theftproof screw bolt connection pair, which is composed of three parts. An inner diameter of an elastic theftproof ring is smaller than the maximum diameter of the cone bottom of a cone head hexagonal screw nut, and the hexagon can be covered when a neck of the cone head hexagonal screw nut can be held under the function of an elastic restoring force so long as the inner diameter can surpass the maximum diameter. As a result, the screw nut is not conveniently to be back screwed and to be rotated because double tenons of the screw bolt can form the end ports of connecting pieces which can be pricked in. The utility model has the function of prevention of burglary.
Description
The utility model relates to link, and a kind of anti-theft bolt auxiliary connection of saying so more specifically comprises bolt, nut and elasticity pilfer band.
What tradition was used constitutes auxiliary connection by bolt and nut, because not anti-unloading, is used for connecting as high-voltage transmission line towers as connecting fastening piece with it, exists the stolen problem of iron tower tower material inevitably.
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art, and a kind of anti-theft bolt auxiliary connection is provided, and solves the stolen problems of member such as tower material.
The purpose of this utility model is achieved through the following technical solutions.
The utility model comprises bolt, nut and elasticity pilfer band.Its structure characteristic is, the hexagon head neck of described bolt is provided with protruding tusk tenon head, and the described nut profile first half is circular cone, and Lower Half is polygon prism; The periphery that the antitheft snare of elasticity is trapped among the nut polygon prism is set simultaneously, and the elasticity pilfer band is provided with the axial expansion seam.
Compare with original technology, the utlity model has following advantage:
1. the utility model is because bolt hexagon head neck is provided with protruding tusk tenon head, need only tightening nuts during installation, protruding tusk tenon head is just wedged in the connected piece hole, bolt can not be rotated again, and be inserted in the elasticity pilfer band of nut polygon prism periphery, system has covered polygon prism, moment of torsion adds less than on the nut, therefore mounted bolt auxiliary connection can play anti-down stubborn effect reliably, thereby guarantee that iron tower safety is not stolen.
2. the utility model is simple in structure, and is easy for installation, can be widely used in being connected of high-voltage transmission line towers and open-air steel framework.
Fig. 1 is the utility model user mode schematic representation
Fig. 2 is the utility model bolt plan view
Fig. 3 is the utility model bolt plan view
Fig. 4 is the utility model nut plan view
Fig. 5 is the utility model nut plan view
Fig. 6 is the utility model elasticity pilfer band plan view
Fig. 7 is the utility model elasticity pilfer band plan view
By the following examples, in conjunction with the accompanying drawings, the utility model is further described.
Referring to Fig. 2, Fig. 3, at the hexagon head neck of bolt 1, be provided with protruding tusk tenon head 4, each one of bilateral symmetry.
Referring to Fig. 4, Fig. 5, the external form of hexagon nut 2 upper end is a circular cone 5, and the lower end is a polygon prism 6.
Referring to Fig. 6, Fig. 7, the elasticity pilfer band which is provided with vertical expansion seam 7, and the polygon prism height dimension of height dimension and nut lower end equates.
Referring to Fig. 1, erection sequence is: receive bolt 1 and penetrate in the hole of connected piece 8, screw in and tighten hexagon nut 2 then, with socket wrench specially adapted for it elasticity pilfer band 3 casing pressures are crossed the circular cone of hexagon nut 2 upper ends at last, finally cover periphery, nut 2 can not be twisted, play antitheft effect at polygon prism.
Claims (1)
- The anti-theft bolt auxiliary connection comprises bolt, nut and elasticity pilfer band; 4. bolt 1. hexagon head neck is provided with tenon; 2. said nut is characterized in that the profile diagram of plane projection vertically, and the first half is circular cone, and Lower Half is polygon prism; The elasticity pilfer band is set simultaneously 3. is enclosed within nut and 2. encloses outside the polygon prism, 3. pilfer band is provided with the axial expansion seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213373 CN2349398Y (en) | 1997-04-24 | 1997-04-24 | Theft-proof screw bolt joint pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213373 CN2349398Y (en) | 1997-04-24 | 1997-04-24 | Theft-proof screw bolt joint pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2349398Y true CN2349398Y (en) | 1999-11-17 |
Family
ID=33931175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97213373 Expired - Fee Related CN2349398Y (en) | 1997-04-24 | 1997-04-24 | Theft-proof screw bolt joint pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2349398Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107587A (en) * | 2019-06-04 | 2019-08-09 | 海盐鼎丰紧固件有限公司 | A kind of combination type theft-proof screw bolt with protection cap |
-
1997
- 1997-04-24 CN CN 97213373 patent/CN2349398Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107587A (en) * | 2019-06-04 | 2019-08-09 | 海盐鼎丰紧固件有限公司 | A kind of combination type theft-proof screw bolt with protection cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |