CN2302364Y - Antitheft bolt and its screw driver - Google Patents
Antitheft bolt and its screw driver Download PDFInfo
- Publication number
- CN2302364Y CN2302364Y CN 97206549 CN97206549U CN2302364Y CN 2302364 Y CN2302364 Y CN 2302364Y CN 97206549 CN97206549 CN 97206549 CN 97206549 U CN97206549 U CN 97206549U CN 2302364 Y CN2302364 Y CN 2302364Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- bolt
- head
- theft
- 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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Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a theft-proof screw bolt and a special screwdriver which is matched with the theft-proof screw bolt. The utility model has the technical proposal that the theft-proof screw bolt is composed of a screw rod and a screw bolt head. The utility model is characterized in that two symmetrical circular holes are arranged on the upper surface of the screw bolt head, and the screwdriver of the utility model is composed of a handle and a rod. The head part of the rod is provided with two convex blocks corresponding to the two circular holes on the head of the theft-proof screw bolt. The utility model has the advantages of simple structure and high safety.
Description
The utility model relates to a kind of anti-theft bolt.
Existing its head of instrument bolt all has in-line groove or cross recess, this in-line groove or cross groove bolt are relative with its corresponding screw-driver, because this screw-driver is widely used, when therefore valuable facility being installed in some public arenas, as still adopting above-mentioned plain bolt, just do not have safety and can say.
The purpose of this utility model provides a kind of anti-theft bolt and Full dog point socket set cutter a kind of and that anti-theft bolt is supporting.
The technological scheme of the utility model anti-theft bolt is: be made of screw rod, bolt head, it is characterized in that: the plane is provided with two symmetrical circular holes on the bolt head.
Screw-driver of the present utility model is made of handle, bar, the head of described bar be provided with two with the anti-theft bolt head on the corresponding projection of two circular holes.
The utility model has the advantages that simple in structure, safe and reliable.
Now in conjunction with the accompanying drawings and embodiments the utility model is described as follows:
Fig. 1: be the structural representation of the utility model anti-theft bolt;
Fig. 2: be the structural representation of the screw-driver of the utility model anti-theft bolt;
Fig. 1 is the structural drawing of the utility model anti-theft bolt, and it is made of screw rod 1, bolt head 2, and the plane is provided with two symmetrical circular holes 3 on the described bolt head.
Fig. 2 is the structural drawing of the utility model anti-theft bolt Full dog point socket set cutter, and it is made of handle, bar 5, the head of described bar 5 be provided with two with bolt head on two circular holes, 3 corresponding projections 6.
When anti-theft bolt of the present utility model uses, adopt the Full dog point socket set cutter, with two projections 6 of head of bar 5, insert in two circular holes 3 of anti-theft bolt, just can rotate anti-theft bolt.Owing to can not arbitrarily buy on this screw-driver market, so people generally can't start this anti-theft bolt.
Claims (2)
1. an anti-theft bolt is made of screw rod 1, bolt 2, it is characterized in that: the plane is provided with two symmetrical circular holes 3 on the spiral shell head.
One kind with the supporting Full dog point socket set cutter of anti-theft bolt, constitute by handle, bar 5, it is characterized in that: the head of described bar be provided with two with bolt head on two circular holes, 3 corresponding projections 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97206549 CN2302364Y (en) | 1997-02-18 | 1997-02-18 | Antitheft bolt and its screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97206549 CN2302364Y (en) | 1997-02-18 | 1997-02-18 | Antitheft bolt and its screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2302364Y true CN2302364Y (en) | 1998-12-30 |
Family
ID=33926517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97206549 Expired - Fee Related CN2302364Y (en) | 1997-02-18 | 1997-02-18 | Antitheft bolt and its screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2302364Y (en) |
-
1997
- 1997-02-18 CN CN 97206549 patent/CN2302364Y/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 |