CN2793406Y - Safety hard and toughened screw with micro-arc convex taper wall - Google Patents
Safety hard and toughened screw with micro-arc convex taper wall Download PDFInfo
- Publication number
- CN2793406Y CN2793406Y CN 200420117371 CN200420117371U CN2793406Y CN 2793406 Y CN2793406 Y CN 2793406Y CN 200420117371 CN200420117371 CN 200420117371 CN 200420117371 U CN200420117371 U CN 200420117371U CN 2793406 Y CN2793406 Y CN 2793406Y
- Authority
- CN
- China
- Prior art keywords
- screw
- wall
- utility
- model
- 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
Links
Images
Landscapes
- Supports Or Holders For Household Use (AREA)
Abstract
The utility model discloses a hard and tough anti-theft screw with a micro-cambered convex tapered wall, which aims to provide the technology of the utility model having the advantages of simple structure and reliable theft prevention. The utility model comprises a screw body (1), a screw rod (2), a screw rod screw thread (3), a screw top (4), a screw top wall bottom (5) and a screw top wall top (6) of the hard and tough anti-theft screw with the micro-cambered convex taper wall. A micro-cambered convex tapered wall (7) is arranged at the section between the screw top wall bottom (5) and the screw top wall top (6). After the utility model is assembled, disassembled and fastened by an anti-theft screw special spanner, all objects need to be fastened can reach the aim of theft prevention. The utility model can be widely suitable for carrying out the theft prevention, fastening and installation for devices or the components of the devices which are fixedly installed outdoors and easily stolen.
Description
One, technical field
The utility model is that a kind of equipment or its parts that relate to being fixedly installed in outdoor easy dress location carry out the equipped fastening piece accessory of antitheft reinforcing, and more particularly, it is a kind of anti-theft screw.
Two, background technique
Known fastener screw nail, its screw top outer wall or inwall are by the alternate formation with the rib plane of rib of respective numbers, conventional general various spanner or sleeve its screw thread of just advancing and retreat, even the screw of indivisible distortion is arranged, also as long as with hard tooth pipe tongs or make utmost point simple hand instrument its screw thread of just advancing and retreat by oneself, now communal facility equipment is fixedly installed in the increasing of outdoor easy robber location, and thief promptly utilizes the deficiency that this fastening piece can not be antitheft, steal and sell illegal activity thereby carry out it, it has caused harm and destruction in various degree to society and people.
Three, summary of the invention
The purpose of this utility model is for overcoming deficiency of the prior art, provide a kind of simple in structure, cheap, adorning, tear open conveniently, antitheft reliable the utility model technology.
The technological scheme that its technical problem that solves the utility model adopts is:
Hard and the tough anti-theft screw of the protruding tapered wall of the utility model differential of the arc shape comprises at the bottom of the hard and tough anti-theft screw ailing of the protruding tapered wall of differential of the arc shape body 1, nail bar 2, nail bar screw thread 3, screw top 4, the screw top wall wall 5 and screw top wall wall top 6,5 is being provided with the protruding tapered wall 7 of differential of the arc shape to section between the screw top wall wall top 6 at the bottom of the screw top wall.
5 diameters are greater than the diameter on screw top wall wall top 6 at the bottom of the described screw top wall wall.
The beneficial effects of the utility model are:
1, the utility model with special spanner for safety screw adorn, tear open fastening after, can make all fastened things reach antitheft purpose, the utility model is widely used in carrying out antitheft fastening installation to being fixedly installed in outdoor easy pirate facility or its parts;
2, the utility model is simple in structure, and is cheap, adorns, tears open conveniently, and antitheft reliable, social benefit is obvious.
Four, description of drawings
Fig. 1 is the utility model embodiment linking body structure schematic representation.Wherein 1 is the hard and tough anti-theft screw ailing of the protruding tapered wall of differential of the arc shape body, and 2 are the nail bar, and 3 are nail bar screw thread, and 4 be screw top, 5 be screw top wall wall at the bottom of, 6 is that screw top wall wall pushes up, 7 is the protruding tapered wall of differential of the arc shape.
Five, embodiment
The utility model will be further described below in conjunction with annex.
At the bottom of the nail bar 2 that is respectively equipped with linking body structure on the hard and tough anti-theft screw ailing of the protruding tapered wall of the differential of the arc shape body 1 of Fig. 1, nail bar screw thread 3, screw top 4, screw top wall wall 5 and screw top wall wall top 6; 5 be provided with the protruding tapered wall 7 of differential of the arc shape to section between the screw top wall wall top 6 at the bottom of the screw top wall wall.
Claims (2)
1, the hard and tough anti-theft screw of the protruding tapered wall of a kind of differential of the arc shape, comprise (5) and screw top wall wall top (6) at the bottom of the protruding tapered wall of differential of the arc shape hard and tough anti-theft screw ailing body (1), nail bar (2), nail bar screw thread (3), screw top (4), the screw top wall wall, it is characterized in that: between (5) at the bottom of the screw top wall wall to screw top wall wall top (6), section be provided with the protruding tapered wall of differential of the arc shape (7).
2, the hard and tough anti-theft screw of the protruding tapered wall of differential of the arc shape according to claim 1 is characterized in that: (5) diameter is greater than the diameter on screw top wall wall top (6) at the bottom of the screw top wall wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420117371 CN2793406Y (en) | 2004-11-12 | 2004-11-12 | Safety hard and toughened screw with micro-arc convex taper wall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420117371 CN2793406Y (en) | 2004-11-12 | 2004-11-12 | Safety hard and toughened screw with micro-arc convex taper wall |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2793406Y true CN2793406Y (en) | 2006-07-05 |
Family
ID=36820551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420117371 Expired - Fee Related CN2793406Y (en) | 2004-11-12 | 2004-11-12 | Safety hard and toughened screw with micro-arc convex taper wall |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2793406Y (en) |
-
2004
- 2004-11-12 CN CN 200420117371 patent/CN2793406Y/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN2793406Y (en) | Safety hard and toughened screw with micro-arc convex taper wall | |
CN2775373Y (en) | Micro arch convexed tapered wall hard and rigid anti-theft screw | |
CN2767740Y (en) | Hard and tough anti-theft screw with dissimilar outer taper wall | |
CN2793400Y (en) | Safety hard and toughened nut with micrarc convex taper wall | |
CN2793405Y (en) | Hard and toughened safety screw with various tapers | |
CN201884438U (en) | Thermal treatment quenching-hardening arc outer peripheral wall theft-proof nut | |
CN2775372Y (en) | Heat treated hardened anti-theft sleeve for screw having top hole micro taper inner diagonal concaved straight groove | |
CN101922497B (en) | Three different thread driving and reversing anti-theft screw | |
CN101718102B (en) | Novel manhole cover | |
CN2793401Y (en) | Security sleeve with micro-conic internal diagonal concave straight groove screw | |
CN2677691Y (en) | Anti-theft fixed cover for outer hexagonal screw | |
CN2743601Y (en) | Micro arc shaped convex taper wall hard tough antitheft screw nut | |
CN2767739Y (en) | Multi-taper hard and tough anti-theft nut | |
CN2775370Y (en) | Non full mother wall longitudinal polygonal surface anti-theft screw nut | |
CN2766102Y (en) | Hard and tough anti-theft screw with waist concave outer top wall | |
CN2775374Y (en) | Heat treatment hardened micro edge outer circular taper wall anti-theft screw nut | |
CN2766100Y (en) | Hard and tough screw with thefproof outer circumference top wall | |
CN2766101Y (en) | Hard and tough nut with theftproof outer circumference wall | |
CN2743599Y (en) | Hard tough antitheft screw spike | |
CN2767741Y (en) | Anti-theft nut with concave waist and hard and tough outer top wall | |
CN2793403Y (en) | Safety screw of heat-treatment hardened external-peripheral taper wall | |
CN2743600Y (en) | Abnormal external taper hard tough antitheft screw nut | |
CN2766090Y (en) | Anti-theft screw with micro knurled upper wall hardened by heat treatment | |
CN201062625Y (en) | Shrouded tubular concave-convex anti-theft breakage-proof screw for license plates | |
CN2746180Y (en) | Hard anti-theft nut |
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 |