CN2132865Y - Rivet type anti-theft fastener - Google Patents
Rivet type anti-theft fastener Download PDFInfo
- Publication number
- CN2132865Y CN2132865Y CN 92218797 CN92218797U CN2132865Y CN 2132865 Y CN2132865 Y CN 2132865Y CN 92218797 CN92218797 CN 92218797 CN 92218797 U CN92218797 U CN 92218797U CN 2132865 Y CN2132865 Y CN 2132865Y
- Authority
- CN
- China
- Prior art keywords
- hole
- bolt
- nut
- theft fastener
- screw
- 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 an anti-theft fastener which can be widely used for the facilities, such as a high-low voltage electric power pylon, a transformer, a bridge, a high speed highway guardrail, etc. The rivet type anti-theft fastener is composed of a screw bolt, two screw nuts and a cylindrical pin. The head part of the screw bolt and the screw nuts are all polygonal. A through hole is arranged close to the tail part of the screw bolt. The side of one of the screw nuts is provided with a hole. The diameters of the through hole and the hole are the same, and the cylindrical pin can be inserted into the two holes in a tight fit way.
Description
The utility model relates to a kind of riveting that is applicable to that high low pressure electric power pylon, transformer, bridge, expressway protect facilities such as blocking and goes into the formula anti-theft fastening piece.
At present, China to be used for the fastening piece on the facilities such as electric power pylon all be common hex head bolt and hexagon nut basically.General because demolition instruments such as social upper ejector lever, sleeve are many, thereby often cause the iron tower material stolen, and then serious accident such as cause that iron tower collapses.
For these reasons, people have invented some and have been exclusively used in anti-theft fastening piece on the facility such as iron tower, mainly contain following several: (1) wears pin shape, processes grooving in nut, inserts and wears pin, and then nutting makes pin in the nut internal strain, its manufacturing process complexity.(2) strange shape is actually equilateral triangle, and is fastening with special tool, is easy to unload but clamp with the pipe silk.(3) guard ring shape, outside are guard circles, and interior dress heptagon nut is fastening with special tool.As think dismounting, and not needing special tool, the guard circle that pounds with a hammer makes the circle distortion, can unload at an easy rate with pipe silk pincers then.Therefore, the anti-theft effect of several anti-theft bolts is all undesirable more than.
The purpose of this utility model provides a kind of riveting simple in structure, that have preferable theftproof performance and goes into the formula anti-theft fastening piece.
The utility model is made of a bolt, two nuts and a straight pin.Bolt head and nut are polygonal, and bolt is drilled with a through hole near on the afterbody, also is drilled with a hole on the side of one of them nut, and two bore dias are identical, and straight pin can insert in two holes tightly.
The utility model is described in further detail below in conjunction with accompanying drawing.
Schematic representation when Fig. 1 is in user mode for the utility model.
Fig. 2 is the schematic representation of the utility model capstan nut.
Referring to accompanying drawing, this reality is novel to be made of bolt 1, nut 2, nut 3 and straight pin 4.Bolt 1 head and nut 2 are regular hexagon.Bolt 1 is drilled with a through hole near on the screw rod of afterbody, also is drilled with a hole on the side of nut 3, and two bore dias are identical, and straight pin 4 can insert in two holes tightly.
During use, bolt 1 is inserted in the screw that needs fastening object, then from the bolt 1 afterbody nut 2 of screwing on, make it fastening, the nut 3 of screwing on again, during the position relative of the through hole on being screwed to nut 3, straight pin 1 is inserted from the hole of nut 3, it is knocked in fully with spanner or other instrument with the hole on the bolt 1.Because straight pin and hole are drive fit, be difficult to take out so knock in the back, like this, just can play good antitheft effect.
Claims (1)
1, the formula anti-theft fastening piece is gone in riveting, constitute by a bolt, two nuts and a straight pin, bolt head and nut are polygonal, it is characterized in that bolt has a through hole near afterbody, one hole is also arranged on the side of one of them nut, two bore dias are identical, and straight pin can insert in two holes tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92218797 CN2132865Y (en) | 1992-09-24 | 1992-09-24 | Rivet type anti-theft fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92218797 CN2132865Y (en) | 1992-09-24 | 1992-09-24 | Rivet type anti-theft fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2132865Y true CN2132865Y (en) | 1993-05-12 |
Family
ID=33766225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92218797 Expired - Fee Related CN2132865Y (en) | 1992-09-24 | 1992-09-24 | Rivet type anti-theft fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2132865Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088883A (en) * | 2014-06-17 | 2014-10-08 | 成都市欣欣高强度紧固件制造有限公司 | Anti-loose zinc-plating connecting pair |
| CN104110434A (en) * | 2013-04-22 | 2014-10-22 | 何天麟 | Anti-theft retainer ring |
| CN106530654A (en) * | 2016-11-04 | 2017-03-22 | 国网山东省电力公司日照供电公司 | Electric remote meter reading system |
-
1992
- 1992-09-24 CN CN 92218797 patent/CN2132865Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110434A (en) * | 2013-04-22 | 2014-10-22 | 何天麟 | Anti-theft retainer ring |
| CN104088883A (en) * | 2014-06-17 | 2014-10-08 | 成都市欣欣高强度紧固件制造有限公司 | Anti-loose zinc-plating connecting pair |
| CN106530654A (en) * | 2016-11-04 | 2017-03-22 | 国网山东省电力公司日照供电公司 | Electric remote meter reading system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| 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 |