CN2718065Y - Antitheft cover for manhole - Google Patents
Antitheft cover for manhole Download PDFInfo
- Publication number
- CN2718065Y CN2718065Y CN 200420012187 CN200420012187U CN2718065Y CN 2718065 Y CN2718065 Y CN 2718065Y CN 200420012187 CN200420012187 CN 200420012187 CN 200420012187 U CN200420012187 U CN 200420012187U CN 2718065 Y CN2718065 Y CN 2718065Y
- Authority
- CN
- China
- Prior art keywords
- cover
- manhole
- cover plate
- antitheft
- latch hook
- 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
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to a cover for the manhole mouth on the ground which is suitable to be used for the underground engineering such as the water supply and sewerage work of the town, the fire protection, the gas pipeline and the electric cable in particular to an antitheft cover for manhole. The antitheft cover for manhole is composed of a cover and a cover base. At least two symmetrically distributed l-shaped lock hooks and the positioning pins which are staggered with the l-shaped lock hooks are arranged on the edge of the bottom of the cover. A lock hook rib and a positioning slot which are respectively corresponding to the l-shaped lock hook and the positioning pin of the cover are arranged on the shoulder of the rabbet platform of the cover base. The cover for manhole with the structure increases the difficulty to remove the cover to the robber. The robber can not easily prize and remove the cover, so the antitheft cover for manhole has antitheft function.
Description
Technical field
The utility model relates to a kind of well lid that is applicable to the ground well head of underground constructions such as cities and towns plumbing, fire-fighting, gas-pipe line and cable.
Background technology
Well lid is the ancillary facility of underground constructions such as urban construction plumbing, fire-fighting, gas-pipe line and cable, and the well lid of present domestic use is non-anti-theft type Cast Iron Products, and ubiquity is fragile, easily lose phenomenon.Thereby take place frequently vehicle and pedestrian's casualty accident.
Summary of the invention
The purpose of this utility model provides a kind of anti-stealing manhole cover with theftproof performance.
The utility model anti-stealing manhole cover is made up of cover plate and cage, it is characterized in that the bottom edge place of said cover plate is provided with at least two to the L shaped latch hook of taking advantage of distribution and the alignment pin that is dislocatedly distributed with it; The seam shoulder of said cage is provided with respectively L shaped latch hook and corresponding latch hook muscle of alignment pin and the locating slot with cover plate.
When using this well lid, the L shaped latch hook of cover plate latch hook muscle one end from cage is screwed in, make the alignment pin of cover plate fall into the locating slot of cage, promptly realized the fastening of well lid; When desiring to take off cover plate, need to mention cover plate and rotation with special tool, after the L shaped latch hook that makes cover plate screws out from latch hook muscle one end of cage, desirable lower cover.
Adopt this structure well lid, concerning the thief, increased the obstacle that takes off cover plate, can not simply prize again and open and take off well lid, therefore can play certain anti-theft feature from structure.
Description of drawings
Fig. 1 is that the cover plate master of the utility model well lid looks schematic diagram;
Fig. 2 is the sectional view of A-A shown in Fig. 1;
Fig. 3 is the schematic top plan view of the cage of the utility model well lid;
Fig. 4 is the sectional view of B-B shown in Fig. 3.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model well lid structure.
Referring to figs. 1 through 4, a kind of anti-stealing manhole cover is made up of cover plate and cage, and the bottom edge place of said cover plate is provided with at least two to the L shaped latch hook 1 of taking advantage of distribution and the alignment pin 2 that is dislocatedly distributed with it; The seam shoulder 5 of said cage is provided with respectively L shaped latch hook 1 and alignment pin 2 corresponding latch hook muscle 3 and the locating slots 4 with cover plate.
L shaped latch hook 1 on the said cover plate distributes by circumferential 30 degree potential differences with alignment pin 2.
Claims (2)
1. an anti-stealing manhole cover is made up of cover plate and cage, it is characterized in that the bottom edge place of said cover plate is provided with at least two to the L shaped latch hook (1) of taking advantage of distribution and the alignment pin (2) that is dislocatedly distributed with it; The seam shoulder (5) of said cage is provided with respectively L shaped latch hook (1) and corresponding latch hook muscle of alignment pin (2) (3) and the locating slot (4) with cover plate.
2. anti-stealing manhole cover according to claim 1 is characterized in that the L shaped latch hook (1) on the said cover plate distributes by circumferential 30 degree potential differences with alignment pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012187 CN2718065Y (en) | 2004-07-06 | 2004-07-06 | Antitheft cover for manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012187 CN2718065Y (en) | 2004-07-06 | 2004-07-06 | Antitheft cover for manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2718065Y true CN2718065Y (en) | 2005-08-17 |
Family
ID=34892594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420012187 Expired - Fee Related CN2718065Y (en) | 2004-07-06 | 2004-07-06 | Antitheft cover for manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2718065Y (en) |
-
2004
- 2004-07-06 CN CN 200420012187 patent/CN2718065Y/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 |