CN2157946Y - Anti-theft device for cover of manhole - Google Patents
Anti-theft device for cover of manhole Download PDFInfo
- Publication number
- CN2157946Y CN2157946Y CN 93216527 CN93216527U CN2157946Y CN 2157946 Y CN2157946 Y CN 2157946Y CN 93216527 CN93216527 CN 93216527 CN 93216527 U CN93216527 U CN 93216527U CN 2157946 Y CN2157946 Y CN 2157946Y
- Authority
- CN
- China
- Prior art keywords
- cover
- hole
- theft device
- manhole
- well
- 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 an anti-theft device for a cover of a manhole. The anti-theft device for a cover of a manhole is characterized in that the original hole ring and a hole cover covering on the original hole ring are connected together by a shaft rod, the shaft rod and the hole cover are fixedly connected, and the shaft rod and the original hole ring are in shaft hole fitting. The anti-theft device for a cover of a manhole can make the hole cover not lost. The anti-theft device for a cover of a manhole is suitable for all hole ring and hole cover type well openings in public facilities, such as a water filling valve well, a water meter well, a sewer maintenance well, a coal gas water pumping opening, maintenance installation openings of postal and electricity supply cable pipe lines, etc.
Description
The utility model relates to a kind of manhole cover of urban operating mechanism.
Promising cable pipeline below road and the residential block, upper and lower water, the well head that gas flue is provided with, the manhole cover that the utility model relates to, the lid in the well head hole of coming in and going out exactly.At present, the hole that manhole cover covers on the well head hole is enclosed, and only reliable relation does not have annexation between port lid and the hole circle, so manhole cover is often stolen, road and residential block are the frequent places of people's car contact, often have car, people to be stuck on the well head or fall into to be subjected to injures and deaths in the well.
The purpose of this utility model is, thereby the manhole cover that designs a kind of theft protection guarantees the complete of the safety of pedestrian, driving and urban operating mechanism.
The technical solution of the utility model is: a kind of manhole cover anti-theft device, have hole circle and port lid, and it is characterized in that: hole circle inwall has earhole, axostylus axostyle is arranged in the earhole, there is the boss greater than shaft diameter the axostylus axostyle lower end, and boss is stayed under the earhole, and the axostylus axostyle upper end is fixed on the port lid.
Because port lid is fixed on the circle of hole by axostylus axostyle, so port lid be unable to do without the hole circle, can only with the earhole center of circle, circle changes around the hole, and solid having showed promptly do not change original function of use, reaches the purpose of theft protection again, realized personal safety, traffic safety is returned municipal administration and has been reduced economic loss and unnecessary trouble.
At first port lid is mentioned to more than the ground during use, then port lid is moved to the next door, port lid is connected on the circle of hole by axostylus axostyle, when port lid changes 180 ° on the circle of hole, leaves the well head maximum.
Below in conjunction with description of drawings embodiment of the present utility model.
Fig. 1 is the structural representation of the utility model manhole cover anti-theft device.
Fig. 2 is the user mode figure of the utility model manhole cover anti-theft device.
Fig. 3 is the stereogram of the utility model manhole cover anti-theft device.
Among the figure, axostylus axostyle (1) one end has boss, axostylus axostyle (1) is contained in the earhole (5) on hole circle (4) inwall, the boss diameter of axostylus axostyle (1) is bigger than the diameter of earhole (5), Gu boss is stayed below the earhole, the other end of axostylus axostyle (1) has external screw thread, it is screwed in the screw of port lid (3), with pin (2) wedging, play locked effect in connection of thread boring, this programme also can be affixed with other method.
Can after adding an earhole on the original hole circle inwall, can implement for existing manhole cover by this programme.
Claims (1)
1, a kind of manhole cover anti-theft device has hole circle and port lid, it is characterized in that: have earhole on the inwall of hole circle, axostylus axostyle is arranged in the earhole, there is the boss greater than shaft diameter the axostylus axostyle lower end, and this boss is stayed below the earhole, and the axostylus axostyle upper end is fixed on the port lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93216527 CN2157946Y (en) | 1993-06-19 | 1993-06-19 | Anti-theft device for cover of manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93216527 CN2157946Y (en) | 1993-06-19 | 1993-06-19 | Anti-theft device for cover of manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2157946Y true CN2157946Y (en) | 1994-03-02 |
Family
ID=33796686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93216527 Expired - Fee Related CN2157946Y (en) | 1993-06-19 | 1993-06-19 | Anti-theft device for cover of manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2157946Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674852A (en) * | 2015-02-06 | 2015-06-03 | 祖新华 | Three-protection manhole cover |
-
1993
- 1993-06-19 CN CN 93216527 patent/CN2157946Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674852A (en) * | 2015-02-06 | 2015-06-03 | 祖新华 | Three-protection manhole cover |
| CN104674852B (en) * | 2015-02-06 | 2017-01-25 | 祖新华 | Three-protection manhole cover |
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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 |