CN201158827Y - Anti-theft type manhole cover - Google Patents
Anti-theft type manhole cover Download PDFInfo
- Publication number
- CN201158827Y CN201158827Y CNU2008201015201U CN200820101520U CN201158827Y CN 201158827 Y CN201158827 Y CN 201158827Y CN U2008201015201 U CNU2008201015201 U CN U2008201015201U CN 200820101520 U CN200820101520 U CN 200820101520U CN 201158827 Y CN201158827 Y CN 201158827Y
- Authority
- CN
- China
- Prior art keywords
- locking lever
- cover
- special
- bracing frame
- lock
- 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 manhole cover, which comprises a well cover, a lock column, a locking lever and a cover seat, wherein the lock column is arranged on the center of the well cover, the lock column is formed by a special-shaped tapered end and a swing stem which is connected with the special-shaped tapered end, wherein the end portion of the swing stem is connected with the locking lever through a connecting bar, and the locking lever is inserted in a bracing frame, and the bracing frame is fixed on the well cover, and a locking hole which is matched with the locking lever is arranged on the cover seat. The anti-theft manhole cover has simple structure and convenient employment, when in use, the well cover is placed on the cover seat, the special-shaped tapered end of the locking lever is rotated by a special-purpose key, and the connecting bar and the locking lever are driven by the swing stem of the lock column, and the locking lever is led to be outwards extended through the bracing frame to be inserted in the locking hole of the cover seat, when the lock column is deadly locked, burglar prevention of the manhole cover is achieved through being blocked by the locking lever which is outwards extended.
Description
Technical field
The utility model relates to a kind of theft-proof type inspection shaft lid.
Background technology
The inspection shaft lid that uses at present makes inspection shaft cover stolen phenomenon and happens occasionally owing to do not possess anti-theft feature.Also occurred some on the market at antitheft and inspection shaft lid design, but their structures are too complicated, are difficult to promote the use of.
Summary of the invention
The purpose of this utility model just provides the good theft-proof type inspection shaft lid of a kind of performance simple in structure, easy to use, safe.
Theft-proof type inspection shaft lid of the present utility model, comprise well lid, lock, locking bar and cage, lock is located at the center of well lid, lock is made up of special-shaped tapered end and the fork that is attached thereto, the end of fork is connected with locking bar by connecting rod, locking bar is inserted in the bracing frame, and bracing frame is fixed on the well lid, and the lockhole that matches with locking bar is arranged on the cage.
Theft-proof type inspection shaft lid of the present utility model is simple in structure, easy to use, during use, well lid is placed on the cage, with the special-shaped tapered end of private key turn lock, by the fork drivening rod and the locking bar of lock, it is protruding to make locking bar pass through bracing frame again, insert in the lockhole of cage, when lock is locked, because overhanging locking bar stops that it is antitheft to realize that inspection shaft covers.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
A kind of theft-proof type inspection shaft lid, comprise well lid 1, lock, locking bar 5 and cage, lock is located at the center of well lid 1, lock is made up of special-shaped tapered end 3 and the fork 2 that is attached thereto, the end of fork 2 is connected with locking bar 5 by connecting rod 4, locking bar 5 is inserted in the bracing frame 6, and bracing frame 6 is fixed on the well lid 1, and the lockhole that matches with locking bar 5 is arranged on the cage.
Claims (1)
1, a kind of theft-proof type inspection shaft lid, comprise well lid (1), lock, locking bar (5) and cage, it is characterized in that: lock is located at the center of well lid (1), lock is made up of special-shaped tapered end (3) and the fork (2) that is attached thereto, the end of fork (2) is connected with locking bar (5) by connecting rod (4), locking bar (5) is inserted in the bracing frame (6), and bracing frame (6) is fixed on the well lid (1), and the lockhole that matches with locking bar (5) is arranged on the cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201015201U CN201158827Y (en) | 2008-02-25 | 2008-02-25 | Anti-theft type manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201015201U CN201158827Y (en) | 2008-02-25 | 2008-02-25 | Anti-theft type manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201158827Y true CN201158827Y (en) | 2008-12-03 |
Family
ID=40109417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201015201U Expired - Fee Related CN201158827Y (en) | 2008-02-25 | 2008-02-25 | Anti-theft type manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201158827Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195978A (en) * | 2020-10-16 | 2021-01-08 | 中国十七冶集团有限公司 | Urban road manhole cover |
-
2008
- 2008-02-25 CN CNU2008201015201U patent/CN201158827Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195978A (en) * | 2020-10-16 | 2021-01-08 | 中国十七冶集团有限公司 | Urban road manhole cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20110225 |