CN202065318U - Special cambered surface to plane washer for screwing arc cover screws of lampposts - Google Patents
Special cambered surface to plane washer for screwing arc cover screws of lampposts Download PDFInfo
- Publication number
- CN202065318U CN202065318U CN2011201295755U CN201120129575U CN202065318U CN 202065318 U CN202065318 U CN 202065318U CN 2011201295755 U CN2011201295755 U CN 2011201295755U CN 201120129575 U CN201120129575 U CN 201120129575U CN 202065318 U CN202065318 U CN 202065318U
- Authority
- CN
- China
- Prior art keywords
- lamellar body
- body bottom
- special
- washer
- antitheft
- 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 special cambered surface to plane washer for screwing arc cover screws of lampposts, which is a special washer for non-standard fastener antitheft screws. The special cambered surface to plane washer comprises a washer body (1), a body bottom surface (3) and the like; and a body bottom surface concave arc surface (13) is arranged on the body bottom surface (3). After the special camber surface to plane washer is matched with antitheft screws which are provided with top stoppers at in-top screw hole tops of heat treatment hardened nails, movable sleeves which are used for mounting and dismounting two different threads and provided with top stopper screws at screw tops and the like with corresponding specifications and shapes for use, the process of antitheft fixed mounting or old-for-new antitheft mounting can be carried out on fixing holes of connection port arc covers at bottom sections of a large number of outdoor lampposts; and the social benefit is marked.
Description
Technical field
The utility model is a kind of special washer of non-standard fastener anti-theft screw, after the heat treatment of the utility model and corresponding specification and shape increases anti-theft screw, mounting or dismounting two different screw threads and screw top that hard screw top inner bolt hole top is provided with support and is provided with supporting uses such as the quill of support screw and ratchet lever spanner, can carry out fixed installation of security or tear the antitheft of trade-in open and installed and used being installed on outdoor street lamp roofbolt arc capping fixed hole in a large number, its social benefit be obvious.
Background technique
To ending at present, still lack real effectively, convenient, the antitheft reliable anti-theft screw of mounting or dismounting and accessory series product thereof, cause a large amount of outdoor easy pirate facilities constantly to be stolen and sold, it has caused restriction and influence in various degree to people's production, life.
Summary of the invention
The purpose of this utility model is for overcoming deficiency of the prior art, providing a kind of cambered surface simple in structure, that install and remove convenience, the special use of antitheft reliable the utility model spinning street lamp roofbolt arc capping screw to level off face pad technology.
The technological scheme that its technical problem that solves the utility model adopts is:
The cambered surface of the utility model spinning street lamp roofbolt arc capping screw special use is leveled off the face pad, comprise pad lamellar body 1, plane 2, lamellar body top, lamellar body bottom surface 3, lamellar body periphery wall 4, lamellar body inner via hole 5 and lamellar body inner via hole wall 6, on lamellar body bottom surface 3, be provided with the recessed shape arc surface 13 in lamellar body bottom surface.
At least be provided with that one hole clipping is fixing encloses bank 130 with the protruding height of circular arc on around the lamellar body inner via hole hole of the recessed shape arc surface 13 in lamellar body bottom surface.
The beneficial effects of the utility model are:
1, after the heat treatment of the utility model and corresponding specification and shape increases anti-theft screw, mounting or dismounting two different screw threads and screw top that hard screw top inner bolt hole top is provided with support and is provided with supporting uses such as the quill of support screw and ratchet lever spanner, can carry out fixed installation of security or tear the antitheft of trade-in open and installed and used being installed on outdoor street lamp roofbolt arc capping fixed hole in a large number, its social benefit be obvious.
2, the utility model is simple in structure, mounting or dismounting are convenient, antitheft reliable, social benefit is obvious.
Description of drawings
Fig. 1 is the 1st kind of embodiment's general structure schematic representation of the utility model.
Fig. 2 is the 2nd kind of embodiment's concrete structure schematic representation of the utility model.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
On Fig. 1 pad lamellar body 1, be respectively equipped with plane 2, lamellar body top, lamellar body bottom surface 3, lamellar body periphery wall 4, lamellar body inner via hole 5 and lamellar body inner via hole wall 6, on lamellar body bottom surface 3, be provided with the recessed shape arc surface 13 in lamellar body bottom surface.
On Fig. 2 pad lamellar body 1, be respectively equipped with plane 2, lamellar body top, lamellar body bottom surface 3, lamellar body periphery wall 4, lamellar body inner via hole 5 and lamellar body inner via hole wall 6, on lamellar body bottom surface 3, be provided with the recessed shape arc surface 13 in lamellar body bottom surface and lamellar body bottom surface hole clipping is fixing encloses bank 130 with the protruding height of circular arc.
Claims (2)
1. the cambered surface of spinning street lamp roofbolt arc capping screw special use is leveled off the face pad, comprise pad lamellar body (1), plane (2), lamellar body top, lamellar body bottom surface (3), lamellar body periphery wall (4), lamellar body inner via hole (5) and lamellar body inner via hole wall (6), it is characterized in that: on lamellar body bottom surface (3), be provided with the recessed shape arc surface (13) in lamellar body bottom surface.
2. the cambered surface of spinning street lamp roofbolt arc capping screw according to claim 1 special use is leveled off the face pad, it is characterized in that: be provided with that one hole clipping is fixing encloses bank (130) with the protruding height of circular arc on around the lamellar body inner via hole hole of the recessed shape arc surface (13) in lamellar body bottom surface at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201295755U CN202065318U (en) | 2011-04-20 | 2011-04-20 | Special cambered surface to plane washer for screwing arc cover screws of lampposts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201295755U CN202065318U (en) | 2011-04-20 | 2011-04-20 | Special cambered surface to plane washer for screwing arc cover screws of lampposts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065318U true CN202065318U (en) | 2011-12-07 |
Family
ID=45059181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201295755U Expired - Fee Related CN202065318U (en) | 2011-04-20 | 2011-04-20 | Special cambered surface to plane washer for screwing arc cover screws of lampposts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065318U (en) |
-
2011
- 2011-04-20 CN CN2011201295755U patent/CN202065318U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20120420 |