CN2515249Y - Cover for sand drain - Google Patents
Cover for sand drain Download PDFInfo
- Publication number
- CN2515249Y CN2515249Y CN 01258347 CN01258347U CN2515249Y CN 2515249 Y CN2515249 Y CN 2515249Y CN 01258347 CN01258347 CN 01258347 CN 01258347 U CN01258347 U CN 01258347U CN 2515249 Y CN2515249 Y CN 2515249Y
- Authority
- CN
- China
- Prior art keywords
- manhole cover
- plastic bushing
- model
- utility
- plastic bush
- 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
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Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a manhole cover, and is characterized in that the manhole cover comprises a concrete cover body, and a plastic bush which is jacketed in the concrete cover body and is a circular ring shape, the cross section of the plastic bush is L-shaped, and a projection is arranged on the inner surface of the circular ring shape of the plastic bush. Because in the utility model, the plastic bush is provided with buffer function when the manhole cover is contacted with a base in the process of construction, the damage phenomenon or the noise phenomenon is not produced when in the processes of mounting and utilization.
Description
Technical field
The utility model relates to a kind of manhole cover.
Background technology
Be used for manhole cover on the road at present and mainly play and prevent that the pedestrian from crashing into or vehicle is absorbed in effect in the husky well head, between construction and installation process middle cover and base, be easy to generate collision and damage lid, these manhole covers at automobile through also producing noise later.
Summary of the invention
The purpose of this utility model just provides a kind of not fragile in construction and use, manhole cover of not producing noise.
The purpose of this utility model is achieved in that a kind of manhole cover, it is characterized in that: this manhole cover is made up of concrete lid and plastic bushing, and plastic bushing is wrapped in the concrete lid; Plastic bushing is a toroidal, its cross section be shaped as " L " shape; The inner surface of the toroidal of plastic bushing is provided with projection.
The utlity model has in work progress that plastic bushing has cushioning effect when contacting with base because of manhole cover, thus install and the process used in do not produce and break or the phenomenon of noise.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail: be made up of concrete lid 1 and plastic bushing 2 for manhole cover shown in Figure 1, plastic bushing 2 is wrapped in the concrete lid 1; Plastic bushing 2 is a toroidal, its cross section be shaped as " L " shape; The inner surface of the toroidal of plastic bushing 2 is provided with projection 4.During making, to put well with the lining that rubber/plastics material makes earlier, and the concrete that mixes be poured into become one in the lining, because the effect of projection 4, make plastic bushing 2 combine tightlyer, have antidetonation, anti-breaking and noiselessness, good looking appearance etc. with concrete lid 1.
Claims (3)
1, a kind of manhole cover is characterized in that: this manhole cover is made up of concrete lid (1) and plastic bushing (2), and plastic bushing (2) is wrapped in the concrete lid (1).
2, manhole cover according to claim 1 is characterized in that: plastic bushing (2) is a toroidal, its cross section be shaped as " L " shape.
3, manhole cover according to claim 2 is characterized in that: the inner surface of the toroidal of plastic bushing (2) is provided with projection (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258347 CN2515249Y (en) | 2001-12-03 | 2001-12-03 | Cover for sand drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258347 CN2515249Y (en) | 2001-12-03 | 2001-12-03 | Cover for sand drain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2515249Y true CN2515249Y (en) | 2002-10-09 |
Family
ID=33666941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01258347 Expired - Fee Related CN2515249Y (en) | 2001-12-03 | 2001-12-03 | Cover for sand drain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2515249Y (en) |
-
2001
- 2001-12-03 CN CN 01258347 patent/CN2515249Y/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 |