CN2775373Y - Micro arch convexed tapered wall hard and rigid anti-theft screw - Google Patents
Micro arch convexed tapered wall hard and rigid anti-theft screw Download PDFInfo
- Publication number
- CN2775373Y CN2775373Y CN 200420057221 CN200420057221U CN2775373Y CN 2775373 Y CN2775373 Y CN 2775373Y CN 200420057221 CN200420057221 CN 200420057221 CN 200420057221 U CN200420057221 U CN 200420057221U CN 2775373 Y CN2775373 Y CN 2775373Y
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- China
- Prior art keywords
- screw
- wall
- utility
- 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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Abstract
The utility model discloses a hard and tough anti-theft screw with a micro-cambered concave 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 concave tapered wall. A micro-cambered concave 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 which need to be fastened can achieve the aim of theft prevention. The utility model can be widely suitable for carrying out the theft prevention, fastening and installation for devices or other parts 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 utility model differential of the arc shape recessed taper wall comprises at the bottom of the hard and tough anti-theft screw ailing of differential of the arc shape recessed taper wall 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 differential of the arc shape recessed taper wall 7 to section between the screw top wall wall top 6 at the bottom of the screw top wall 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, antitheft reliable, obvious social benefit.
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 differential of the arc shape recessed taper wall 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 differential of the arc shape recessed taper wall.
Five, embodiment
The utility model will be further described below in conjunction with accompanying drawing.
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 differential of the arc shape recessed taper wall 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 differential of the arc shape recessed taper wall 7 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 a kind of differential of the arc shape recessed taper wall, comprise (5) and screw top wall wall top (6) at the bottom of differential of the arc shape recessed taper wall 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 differential of the arc shape recessed taper wall (7).
2, the hard and tough anti-theft screw of differential of the arc shape recessed taper wall 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 200420057221 CN2775373Y (en) | 2004-11-14 | 2004-11-14 | Micro arch convexed tapered wall hard and rigid anti-theft screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420057221 CN2775373Y (en) | 2004-11-14 | 2004-11-14 | Micro arch convexed tapered wall hard and rigid anti-theft screw |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2775373Y true CN2775373Y (en) | 2006-04-26 |
Family
ID=36749689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420057221 Expired - Fee Related CN2775373Y (en) | 2004-11-14 | 2004-11-14 | Micro arch convexed tapered wall hard and rigid anti-theft screw |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2775373Y (en) |
-
2004
- 2004-11-14 CN CN 200420057221 patent/CN2775373Y/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 |