CN2692398Y - Three fixture type antitheft screw bolt - Google Patents
Three fixture type antitheft screw bolt Download PDFInfo
- Publication number
- CN2692398Y CN2692398Y CN 200420047955 CN200420047955U CN2692398Y CN 2692398 Y CN2692398 Y CN 2692398Y CN 200420047955 CN200420047955 CN 200420047955 CN 200420047955 U CN200420047955 U CN 200420047955U CN 2692398 Y CN2692398 Y CN 2692398Y
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- CN
- China
- Prior art keywords
- screw rod
- nut
- bolt
- rod plug
- stealing
- 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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Abstract
The utility model discloses a three catch type antitheft screw holt, comprising a screw bolt and a cap nut, and the screw bolt comprises a screw rod and a screw rod casing cap. The screw rod casing cap of the screw bolt and the periphery surface of the cap nut are provided with a continuous cambered surface transition without angles, the exterior surface of the screw rod casing cap are upper peripherally and uniformly provided with three concave grooves, and the exterior surface of the cap nut is upper peripherally and uniformly provided with three concave grooves. The utility model can only be loosened or screwed with special tools, other fastening tools, such as a pipe wrench, an open type wrench, a telescopic wrench can not loosen or screw the anti theft screw bolt. Therefore, the utility model has the advantages of good antitheft effect, low cost, convenient construction, good corrosion-resisting and long service life, which can not damage the galvanizing coat of the screw bolt in the construction.
Description
Technical field
The utility model relates to anti-theft bolt, especially a kind of three clip type anti-stealing bolts.
Background technique
At present, domestic anti-theft bolt is to be slit into cross mouthful in the end of screw rod, with hammer the iron wedge is squeezed into, and has destroyed the zinc coat of bolt, and is perishable, the construction trouble, and anti-theft effect is bad.Also having a kind of anti-theft bolt is the nut that adds band ball in the outer end of the nut that is spirally connected with it in addition, and this nut can only be used with former nut, does not increase fastening strength, the cost height, and the construction trouble, anti-theft effect is bad.
Summary of the invention
The purpose of this utility model is to have the problem that anti-theft bolt exists now in order to solve, and provides a kind of corrosion-resistant, easy construction, and cost is low, three clip type anti-stealing bolts of good anti-theft effect.
The purpose of this utility model is achieved in that
A kind of three clip type anti-stealing bolts, comprise bolt and nut, bolt is made of screw rod and screw rod plug, the screw rod plug of bolt and the outer surface of nut are continuous cambered surface transition, on screw rod plug outer surface, circumferentially be evenly equipped with three depression draw-in grooves, on the nut outer surface, circumferentially be evenly equipped with three depression draw-in grooves.
The screw rod plug top of described bolt is the plane, the bottom of this screw rod plug is a Rotary-table, join with the cambered surface smooth transition between top plan and the bottom Rotary-table and be integral, each depression draw-in groove on the described screw rod plug outer surface is made of facade, block face and domatic agreeing with mutually, this facade is vertical with the bottom surface of described Rotary-table, the end face of this block face and described screw rod plug is tangent, and this domatic precession along bolt is directed downwards inclination.
A described domatic higher end stops in the top of described Rotary-table, described block face and the top termination at Rotary-table of domatic intersection line.
Described block face becomes smooth transition with the joining place of screw rod plug circumferential edge.
The raised line radially that three circumference in equal parts are arranged on the bottom surface of described screw rod plug bottom Rotary-table.
The gabarit of described nut is reverse frustoconic, this nut has the interior threaded hole that matches with described screw rod, each depression draw-in groove on the described nut outer surface is made of facade, block face and domatic agreeing with mutually, this facade is vertical with the end face of described rounding stage body, the bottom surface outward edge of this block face and described reverse frustoconic is tangent, and this domatic precession along nut is directed downwards inclination.
The raised line radially that three circumference in equal parts are arranged on the nut end face of described reverse frustoconic.
The tapering of the Rotary-table of described screw rod plug bottom is identical with the tapering of the nut of reverse frustoconic.
The utility model has following actively useful effect:
The screw rod plug of this anti-theft bolt and the outer surface of nut are continuous cambered surface transition, there are not corner angle, on screw rod plug and nut outer surface, circumferentially be evenly equipped with three depression draw-in grooves, can only unscrew and screw with special tool, other shaping tool such as pipe wrench, open-end wrench, telescopic spanner etc. all can not unscrew and screw this anti-theft bolt, good anti-theft effect, cheap, easy construction, can not destroy the zinc coat of bolt during construction, corrosion-resistant, long service life.
Description of drawings
Fig. 1 unifies embodiment's structural representation for bolt of the present utility model and nut match;
Fig. 2 is the decomposing schematic representation of Fig. 1;
Fig. 3 is the schematic representation after bolt is inverted among Fig. 2;
Fig. 4 is the schematic representation after nut is inverted among Fig. 2;
Fig. 5 is the plan view of bolt among Fig. 2;
Fig. 6 is that the A of Fig. 5 is to view;
Fig. 7 is the plan view of Fig. 5;
Fig. 8 is the plan view of nut among Fig. 2;
Fig. 9 is the plan view of Fig. 8.
Embodiment
Accompanying drawing number
1. bolt
101. screw rod 102. screw rod plugs 103. depression draw-in grooves
104. cambered surface 105. Rotary-tables 106. facades
107. block face 108. domatic 109. raised lines (anti-loose ends)
2. nut
201. interior threaded hole 203. depression draw-in grooves
206. facade 207. block faces 208. are domatic
209. raised line (anti-loose ends)
Please refer to Fig. 1, Fig. 2, the utility model is a kind of three clip type anti-stealing bolts, comprise bolt 1 and nut 2, bolt 1 is made up of screw rod 101 and screw rod plug 102, the screw rod plug 102 of bolt 1 and the outer surface of nut 2 are continuous cambered surface transition, do not have corner angle, on the outer surface of screw rod plug 102, circumferentially be evenly equipped with three depression draw-in grooves 103, on the outer surface of nut 2, circumferentially be evenly equipped with three depression draw-in grooves 203.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, in the present embodiment, the top of the screw rod plug 102 of bolt 1 is the plane, the bottom of screw rod plug 102 is a Rotary-table 105, join with cambered surface 104 smooth transition between top plan and the bottom Rotary-table 105 and be integral, depression draw-in groove 103 is agreed with mutually by facade 106, block face 107 and domatic 108 and constitutes, this facade 106 is vertical with the bottom surface of Rotary-table 105, this block face 107 is tangent with the end face of screw rod plug 102, and this domatic 108 precession along bolt is directed downwards outward-dipping.This facade 106 can the camber transition with domatic 108 intersection.
Domatic 108 higher ends are in the top natural termination of Rotary-table 105, block face 107 and the top natural termination of this intersection line of domatic 108 at Rotary-table 105.
The raised line radially 109 that three circumference in equal parts are arranged on the bottom surface of the screw rod plug 102 bottom Rotary-tables of bolt 1.The effect of this raised line 109 is locking, prevents that bolt from being vibrated nature and unclamping.
Please refer to Fig. 1, Fig. 2, Fig. 4, Fig. 8, Fig. 9, the gabarit of described nut 2 is reverse frustoconic, nut 2 has the interior threaded hole 201 that matches with described screw rod 101, depression draw-in groove 203 is agreed with mutually by facade 206, block face 207 and domatic 208 and constitutes, this facade 206 is vertical with the end face of the nut 2 of rounding stage body shape, this block face 207 is tangent with the bottom surface outward edge of the nut 2 of described reverse frustoconic, and this domatic 208 precession along nut 2 is directed downwards outward-dipping.
Please refer to Fig. 2, the raised line radially 209 of three circumference in equal parts is arranged on the end face of described reverse frustoconic nut 2.The effect of this raised line 209 is locking, prevents that bolt from being vibrated nature and unclamping.
Please refer to Fig. 5, Fig. 8, the tapering of the Rotary-table of described screw rod plug 102 bottoms is identical with the tapering of the nut 2 of reverse frustoconic.Therefore only use a supporting special tool can unscrew and screw the bolt 1 and the nut 2 of this anti-theft bolt.
Claims (8)
1. clip type anti-stealing bolt, comprise bolt and nut, bolt is made of screw rod and screw rod plug, it is characterized in that: the screw rod plug of bolt and the outer surface of nut are continuous cambered surface transition, on screw rod plug outer surface, circumferentially be evenly equipped with three depression draw-in grooves, on the nut outer surface, circumferentially be evenly equipped with three depression draw-in grooves.
2. three clip type anti-stealing bolts as claimed in claim 1, it is characterized in that: the screw rod plug top of described bolt is the plane, the bottom of this screw rod plug is a Rotary-table, join with the cambered surface smooth transition between top plan and the bottom Rotary-table and be integral, each depression draw-in groove on the described screw rod plug outer surface is made of facade, block face and domatic agreeing with mutually, this facade is vertical with the bottom surface of described Rotary-table, the end face of this block face and described screw rod plug is tangent, and this domatic precession along bolt is directed downwards inclination.
3. three clip type anti-stealing bolts as claimed in claim 2 is characterized in that: a described domatic higher end stops in the top of described Rotary-table, described block face and the top termination at Rotary-table of domatic intersection line.
4. three clip type anti-stealing bolts as claimed in claim 2 is characterized in that: described block face becomes smooth transition with the joining place of screw rod plug circumferential edge.
5. three clip type anti-stealing bolts as claimed in claim 2 is characterized in that: the raised line radially that three circumference in equal parts are arranged on the bottom surface of the bottom Rotary-table of described screw rod plug.
6. three clip type anti-stealing bolts as claimed in claim 1, it is characterized in that: the gabarit of described nut is reverse frustoconic, this nut has the interior threaded hole that matches with described screw rod, each depression draw-in groove on the described nut outer surface is made of facade, block face and domatic agreeing with mutually, this facade is vertical with the end face of described rounding stage body, the bottom surface outward edge of this block face and described reverse frustoconic is tangent, and this domatic precession along nut is directed downwards inclination.
7. three clip type anti-stealing bolts as claimed in claim 6 is characterized in that: the raised line radially that three circumference in equal parts are arranged on the described reverse frustoconic nut end face.
8. as claim 2 or 6 described three clip type anti-stealing bolts, it is characterized in that: the tapering of the Rotary-table of described screw rod plug bottom is identical with the tapering of the nut of reverse frustoconic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047955 CN2692398Y (en) | 2004-04-02 | 2004-04-02 | Three fixture type antitheft screw bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047955 CN2692398Y (en) | 2004-04-02 | 2004-04-02 | Three fixture type antitheft screw bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692398Y true CN2692398Y (en) | 2005-04-13 |
Family
ID=34776211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420047955 Expired - Fee Related CN2692398Y (en) | 2004-04-02 | 2004-04-02 | Three fixture type antitheft screw bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692398Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010000204A1 (en) * | 2008-07-02 | 2010-01-07 | Bai Shiliang | A fastener provided with fastening teeth and a special wrench thereof |
| CN102196870A (en) * | 2008-10-24 | 2011-09-21 | 尔多阿尔法公司 | Method for manufacturing a bolting part, tool for implementing the method, and device for tightening and loosening such a bolting part |
| CN102384325A (en) * | 2010-08-28 | 2012-03-21 | 诺马德国有限责任公司 | Hose clamp with a clamping screw, clamping screw and tool for driving the clamping screw |
| CN102562754A (en) * | 2010-12-28 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Fastener, driving piece matched with fastener and punch forming fastener |
| CN103697048A (en) * | 2013-10-14 | 2014-04-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft device and installation and detachment method thereof |
| CN103697049A (en) * | 2013-10-14 | 2014-04-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt and matched special sleeve tube thereof |
| CN103899631A (en) * | 2013-10-14 | 2014-07-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt for vehicle tyre and special sleeve matched with anti-theft bolt |
-
2004
- 2004-04-02 CN CN 200420047955 patent/CN2692398Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010000204A1 (en) * | 2008-07-02 | 2010-01-07 | Bai Shiliang | A fastener provided with fastening teeth and a special wrench thereof |
| CN102196870A (en) * | 2008-10-24 | 2011-09-21 | 尔多阿尔法公司 | Method for manufacturing a bolting part, tool for implementing the method, and device for tightening and loosening such a bolting part |
| CN102384325A (en) * | 2010-08-28 | 2012-03-21 | 诺马德国有限责任公司 | Hose clamp with a clamping screw, clamping screw and tool for driving the clamping screw |
| CN102384325B (en) * | 2010-08-28 | 2016-05-04 | 诺马德国有限责任公司 | With the instrument of hose clamp, clamping screw and the driving clamping screw of clamping screw |
| CN102562754A (en) * | 2010-12-28 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Fastener, driving piece matched with fastener and punch forming fastener |
| CN102562754B (en) * | 2010-12-28 | 2014-04-23 | 鸿富锦精密工业（深圳）有限公司 | Fastener, driving piece matched with fastener and punch forming fastener |
| CN103697048A (en) * | 2013-10-14 | 2014-04-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft device and installation and detachment method thereof |
| CN103697049A (en) * | 2013-10-14 | 2014-04-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt and matched special sleeve tube thereof |
| CN103899631A (en) * | 2013-10-14 | 2014-07-02 | 芜湖市顺昌汽车配件有限公司 | Anti-theft bolt for vehicle tyre and special sleeve matched with anti-theft bolt |
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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: 20050413 Termination date: 20120402 |