CN2218200Y - Manhole cover against thieves - Google Patents
Manhole cover against thieves Download PDFInfo
- Publication number
- CN2218200Y CN2218200Y CN 94246216 CN94246216U CN2218200Y CN 2218200 Y CN2218200 Y CN 2218200Y CN 94246216 CN94246216 CN 94246216 CN 94246216 U CN94246216 U CN 94246216U CN 2218200 Y CN2218200 Y CN 2218200Y
- Authority
- CN
- China
- Prior art keywords
- cover plate
- cage
- cover
- manhole cover
- bolt
- 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
The utility model relates to a manhole cover against thieves. The body of the manhole cover against thieves is composed of a cover seat and a cover plate. The utility model has the provided design proposals that both ends of the connection of the cover seat and the cover plate are provided with two corresponding preformed holes, and screw-bolts penetrate in the prepared holes and are screwed by nuts; the four corners of the cover seat are provided with L-shaped ribbed plates with prepared holes; the cover seat and the cover plate are connected together by a chain ring. The design proposals have the common characteristics of simple structure, novel configuration, and theft protection property; the manhole cover against thieves is a built-up part for beautifying townscapes and richening public works.
Description
The utility model belongs to the auxiliary equipment that the municipal engineering sewage vent line detects mouth.
Before the utility model came out, existing the moon and cap surface were provided with several preformed holes that supply hook to carry, and played lid back well operations down in order to the municipal engineering staff.Such manhole cover lacks anti-theft device because of cage, cover plate separate, take place during the stolen case of cover plate.Directly affect the pedestrian's that passes by on one's way personal safety.Patent No. ZL92240774.6 has disclosed the technology of anti-theft type manhole cover employing latch binding well lid and crib, but structure is comparatively simple.
The purpose of this utility model is to design a kind of operating personnel's operation of both being convenient to, and has certain anti-theft feature, the comparatively novel manhole cover of external form structure again.
For realizing this design scheme, the main body of manhole cover is made up of cage and cover plate two parts, its principal character is that cage 2 and cover plate 1, cage 6 are provided with two corresponding preformed holes with cover plate 5, cage 10 with the two ends of cover plate 9 joints, and bolt 3, bolt 7, bolt 11 penetrate in the preformed hole and tightened by nut 4, nut 8, nut 12 respectively.As active pin shaft, the angle of cover plate can be at 0 degree to lifting less than the interval of 180 degree by bolt for cover plate and cage.Can be moved to certain distance to such an extent as to lift the angle cover plate for expansion, another design scheme that provides is the circular wall disposal pouring moulding with an end of chain link 15 and cage 16, the other end then is fixed on cover plate 13 inboards, strengthen the bearing pin 14 in the gusset preformed hole, its riveting formula is connected, uniform transom is arranged in the circumference of cage 16.
The utility model has the advantages that simple in structure, external form is configured with novelty, has antitheft function.
Now in conjunction with the accompanying drawings it further is illustrated, Fig. 1 starts and is 90 ° working state figure for cover plate 1, has made broken section in the lower right side, and shown 2 is cage, and 3 is bolt, and 4 is nut.The vertical view of Fig. 2 after for the cover plate cage, the transom in the cover plate are partial lateral and distribute, and the screw bolt and nut that exposes when typing is installed is by prefabricated coagulation cement drowning.Fig. 3 is that cover plate 5 starts and is 90 ° working state figure, has also made broken section in the lower right side, and shown 6 is cage, and 7 is bolt, and 8 is nut.Fig. 4 is the vertical view behind the cover plate cage, and the transom in the cover plate is vertical distribution.Compared to Figure 1, the difference of Fig. 3 design scheme is four jiaos of " L " type gussets that are provided with the band preformed hole of cage 6.Fig. 5 starts and is 90 ° working state figure for cover plate 9, has made broken section in the lower right side, and shown 11 is bolt, and 12 is nut.The vertical view of Fig. 6 after for the cover plate cage, the transom in the cover plate are symmetric transverse and distribute, and cage is square.Fig. 7 is another kind of architectural feature, it lifts out cover plate 13 to cage and is 90 ° state diagram, also made broken section in the lower right side, the circular wall disposal pouring moulding of one end of chain link 15 and cage 16, the other end then with cover plate 13 inboards, the bearing pin 14 in the preformed hole of reinforcing rib is made the riveting formula and is connected.Fig. 8 is the vertical view behind the cover plate cage, and cage and cover plate all are round shape, and it and above-mentioned different schemes be to be provided with uniform transom in the circumference of cage.
Similar to existing manhole cover when the utility model is installed, difference is that concrete is that bolt, the nut that will expose applies lid.It will provide a kind of comparatively desirable product for beautifying the appearance of the city, enriching the auxiliary equipment of municipal engineering, have certain popularizing value.
Claims (2)
1. the main body of antitheft manhole cover is made up of cage and cover plate two parts, its principal character is that cage (2) and cover plate (1), cage (6) are provided with the preformed hole that two phase times are answered with cover plate (3), cage (10) with the two ends of cover plate (9) joint, and bolt (3), bolt (7), bolt (11) penetrate in the preformed hole and tightened by nut (4), nut (8), nut (12) respectively; Four jiaos of " L " type gussets that are provided with the band preformed hole of cage (6).
2. the main body of antitheft manhole cover is made up of cage and cover plate two parts.It is characterized in that the circular wall disposal pouring moulding of an end and the cage (16) of chain link (15), the other end then with cover plate (13) inboard, the bearing pin in the preformed hole of reinforcing rib (14) is made the riveting formula and is connected, and is provided with uniform transom in the circumference of cage (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94246216 CN2218200Y (en) | 1994-11-23 | 1994-11-23 | Manhole cover against thieves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94246216 CN2218200Y (en) | 1994-11-23 | 1994-11-23 | Manhole cover against thieves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2218200Y true CN2218200Y (en) | 1996-01-24 |
Family
ID=33851769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94246216 Expired - Fee Related CN2218200Y (en) | 1994-11-23 | 1994-11-23 | Manhole cover against thieves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2218200Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11668078B2 (en) | 2020-06-02 | 2023-06-06 | The Ford Meter Box Company, Inc. | Adjustable pit extension assembly |
-
1994
- 1994-11-23 CN CN 94246216 patent/CN2218200Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11668078B2 (en) | 2020-06-02 | 2023-06-06 | The Ford Meter Box Company, Inc. | Adjustable pit extension assembly |
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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 |