CN2534238Y - Antitheft cover of manhole - Google Patents
Antitheft cover of manhole Download PDFInfo
- Publication number
- CN2534238Y CN2534238Y CN 02219477 CN02219477U CN2534238Y CN 2534238 Y CN2534238 Y CN 2534238Y CN 02219477 CN02219477 CN 02219477 CN 02219477 U CN02219477 U CN 02219477U CN 2534238 Y CN2534238 Y CN 2534238Y
- Authority
- CN
- China
- Prior art keywords
- inspection well
- well cover
- well lid
- lid
- inspection shaft
- 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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
A theft proof inspection well cover belongs to an inspection well cover. The inspection well cover has a round shape and comprises an inspection well cover base wherein an interior ring is equipped with a inspection well cover table on which a sector gap is arranged; an edge of the inspection well cover is equipped with a sector chimb; a anti drop chain is sandwiched to connect the inspection well cover base with the inspection well cover; the sector gap is equal to the sector chimb in terms of quantity. The inspection well cover is equipped with a lifting groove; a superior edge of the inspection well cover is equipped with a positioning pin groove; the sector chimb is positioned at an inferior end plane of the inspection well cover. The inspection well cover is characterized in simple structure. The inspection well cover is incapable of being unloaded by a superior mouth of the inspection well cover base but can only be placed into a inspection well. Further, the anti drop chain is arranged between the inspection well cover base and the inspection well cover so as to completely resolve a theft problem.
Description
Technical field
The utility model relates to a kind of inspection shaft lid, particularly a kind of theft-proof type inspection shaft lid.
Background technology
At present, the inspection shaft that uses in the city is stamped a manhole cover base, and well lid is arranged on the manhole cover base.Inspection shaft lid great majority adopt the cast iron manufacturings, because cast iron can the reclaiming utilization, so well lid has just become thief's theft target.The inspection shaft of stolen inspection shaft lid very easily makes the pedestrian fall into inspection shaft and arrives injury, and this inspection shaft drowning has anti-theft feature.
Summary of the invention
The purpose of this utility model is that a kind of theft-proof type inspection shaft lid with anti-theft feature will be provided.
Solve the technical scheme that its technical problem adopts: this inspection shaft lid is for circular, and the manhole cover base inner ring has the well lid platform, and sector notch is arranged on the well lid platform, and there is fan-shaped chimb at the well lid edge, is connected with the anti-chain of falling between manhole cover base and well lid.
The number of the sector notch on the well lid platform equates with the number of the fan-shaped chimb at well lid edge; The handle groove is arranged on the well lid, and the well lid top edge has the location cotter way, and the fan-shaped chimb at well lid edge is positioned at the lower surface of well lid.
Beneficial effect: owing to adopted such scheme, sector notch is arranged on the manhole cover base, fan-shaped chimb is arranged on the well lid, the chimb of well lid can upwards embed in the sector notch of manhole cover base in inspection shaft, the well lid taking-up that upwards can't make progress from manhole cover base.If open the inspection shaft lid, the handle groove rotation on the portable well lid makes the fan-shaped chimb on the well lid aim at the sector notch on the manhole cover base, then well lid is put into to inspection shaft, has solved technical problem to be solved in the utility model.This inspection shaft lid is simple in structure, and well lid can not can only be put into to inspection shaft from the taking-up suitable for reading of manhole cover base, and is being connected by the anti-chain of falling at the bottom of the well lid with between the well lid, has thoroughly solved the antitheft problem of inspection shaft lid.
Description of drawings
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is the structure chart of the utility model well lid.
Fig. 3 is the structure chart of the utility model manhole cover base.
The specific embodiment
Embodiment: this inspection shaft lid is made up of manhole cover base 1 and well lid 4 for circular.Manhole cover base 1 inner ring has well lid platform 6, and sector notch 34 is arranged on the well lid platform 6, and there is fan-shaped chimb 24 at well lid 4 edges, is connected with the anti-chain 5 of falling between manhole cover base 1 and well lid 4.
The number of the sector notch 34 on the well lid platform 6 equates with the number of the fan-shaped chimb 24 at well lid 4 edges; Handle groove 3 is arranged on the well lid 4, and well lid 4 top edges have location cotter way 2, and the fan-shaped chimb 24 at well lid 4 edges is positioned at the lower surface of well lid 4.
Claims (2)
1, a kind of theft-proof type inspection shaft lid is characterized in that: this inspection shaft lid is for circular, and the manhole cover base inner ring has the well lid platform, and sector notch is arranged on the well lid platform, and there is fan-shaped chimb at the well lid edge, is connected with the anti-chain of falling between manhole cover base and well lid.
2, theft-proof type inspection shaft lid according to claim 1, it is characterized in that: the number of the sector notch on the well lid platform equates with the number of the fan-shaped chimb at well lid edge; The handle groove is arranged on the well lid, and the well lid top edge has the location cotter way, and the fan-shaped chimb at well lid edge is positioned at the lower surface of well lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219477 CN2534238Y (en) | 2002-03-19 | 2002-03-19 | Antitheft cover of manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219477 CN2534238Y (en) | 2002-03-19 | 2002-03-19 | Antitheft cover of manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2534238Y true CN2534238Y (en) | 2003-02-05 |
Family
ID=33697952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02219477 Expired - Fee Related CN2534238Y (en) | 2002-03-19 | 2002-03-19 | Antitheft cover of manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2534238Y (en) |
-
2002
- 2002-03-19 CN CN 02219477 patent/CN2534238Y/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 |