CN2204877Y - Bolt against theft - Google Patents
Bolt against theft Download PDFInfo
- Publication number
- CN2204877Y CN2204877Y CN 93237992 CN93237992U CN2204877Y CN 2204877 Y CN2204877 Y CN 2204877Y CN 93237992 CN93237992 CN 93237992 CN 93237992 U CN93237992 U CN 93237992U CN 2204877 Y CN2204877 Y CN 2204877Y
- Authority
- CN
- China
- Prior art keywords
- hole
- screw
- utility
- against theft
- model
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a theft prevention bolt, which comprises screws and nuts. The end head of each screw is provided with a hole, which cause the expended theft protection pin of the end head of screw to be pressed in the hole, and therefore, the nut can not be disassembled, and the purpose of the theft protection is achieved. The utility model has the advantages of simple structure, low cost, and convenient installation and operation. Once assembled, the utility model can not be disassembled unless destroyed thoroughly, and therefore, the utility model can play the action of theft protection verily.
Description
The utility model relates to a kind of clamp structure, a kind of Bolt against theft of more specifically saying so.
Develop rapidly along with China's economic construction, various Architecture Designs are more and more, Architecture Design in the open air is also more and more, the stolen phenomenon of the thing followed also usually takes place, its main cause is that bolt is all adopted in building structure, be easy to dismounting with general purpose tool, cause tremendous loss to state and collective.The Chinese patent communique discloses a kind of ZJL-type anti-theft bolt, the patent No.: 90209382.7, and it is a kind ofly to be made up of the screw of special-shaped screw thread and supporting with it bilayer hinge joint nut and the antitheft bowl that protects.This bolt arrangement complexity is installed and used inconvenience, the cost height, and also the use special tool also is to dismantle.
The purpose of this utility model be propose a kind of simple in structure, easy to install, cost is low, non-removable Bolt against theft.
Above-mentioned purpose can realize in the following manner: a kind of Bolt against theft, include screw and nut, and the termination of described screw has the hole, and anti-stealing and selling is fitted in the hole, the head of screw is dilated, thereby nut can't unload, and realizes antitheft.
The utility model compared with prior art has following advantage: utilize anti-stealing and selling in the hole that is fitted in screw head, screw head is dilated, realized antitheft.This structure is very simple, and cost is also low, and is easy to install, can't dismantle, and has really realized thief-proof purpose.
Description of drawings:
Accompanying drawing 1 is an embodiment structural representation of the present utility model.
Accompanying drawing 2 is structural representations of another embodiment of the utility model.
Accompanying drawing 3 is structural representations of another embodiment of the utility model.
The utility model is described in further detail with reference to the accompanying drawings:
Shown in accompanying drawing 1: a kind of Bolt against theft, include screw 1, it passes workpiece 2, fixing with nut 3, have a straight hole 4 in the termination of screw 1 one, be pressed with band the anti-of tapering in the straight hole 4 and steal and sell 5, screw 1 termination portion is dilated, and nut 3 just can't disassemble, and has realized thief-proof purpose.
Shown in accompanying drawing 2: a kind of Bolt against theft, include screw 1, it passes workpiece 2, fixing with nut 3, have a cone shape hole 4 in the termination of screw 1 one, be pressed with band the anti-of tapering in the hole 4 and steal and sell 5, screw 1 termination portion is dilated, and nut 3 just can't disassemble, and has realized thief-proof purpose.
Shown in accompanying drawing 3: a kind of Bolt against theft, include screw 1, it passes workpiece 2, fixing with nut 3, screw 1 termination has stepped hole 4, stair-steppingly anti-ly steals and sells 5 and is fitted in the hole 4, anti-5 the great circle cornice tapering of stealing and selling, the end of screw 1 is dilated, and nut 3 can't be dismantled, and realizes thief-proof purpose.
Claims (4)
1, a kind of Bolt against theft includes screw (1), nut (3), and it is characterized in that: the termination of screw (1) has hole (4), and anti-the stealing and selling (5) that screw (1) end is dilated is fitted in the hole (4).
2, Bolt against theft according to claim 1 is characterized in that: described hole (4) are cylindrical hole, are fitted in anti-stealing and selling (5) band tapering in the hole (4).
3, Bolt against theft according to claim 1 is characterized in that: described hole (4) are cone shape hole, and anti-steal and sell (5) are also for taper.
4, Bolt against theft according to claim 1 is characterized in that: described hole (4) are the ladder cylindrical hole, and anti-steal and sell (5) are stepped straight pin, and great circle cornice tapering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93237992 CN2204877Y (en) | 1993-11-18 | 1993-11-18 | Bolt against theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93237992 CN2204877Y (en) | 1993-11-18 | 1993-11-18 | Bolt against theft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2204877Y true CN2204877Y (en) | 1995-08-09 |
Family
ID=33812821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93237992 Expired - Fee Related CN2204877Y (en) | 1993-11-18 | 1993-11-18 | Bolt against theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2204877Y (en) |
-
1993
- 1993-11-18 CN CN 93237992 patent/CN2204877Y/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 | ||
| 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 |