CN2775139Y - Anti-theft manhole cover - Google Patents
Anti-theft manhole cover Download PDFInfo
- Publication number
- CN2775139Y CN2775139Y CN 200420055624 CN200420055624U CN2775139Y CN 2775139 Y CN2775139 Y CN 2775139Y CN 200420055624 CN200420055624 CN 200420055624 CN 200420055624 U CN200420055624 U CN 200420055624U CN 2775139 Y CN2775139 Y CN 2775139Y
- Authority
- CN
- China
- Prior art keywords
- well cover
- well lid
- utility
- lock
- manhole cover
- 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 belongs to a municipal construction supply, particularly an anti-theft well cover being used in sewers in a street and residential housing. The utility model is mainly composed of a well cover bracket (2) and a well cover (3), wherein the lower part of the inner wall of the well cover bracket (2) is provided with a sliding groove (7). The edge of the well cover (3) is provided with a circular lock hole (4). A multiple-angle screw (5) with a conical lug boss and internal threads on the upper part thereof, which is movably arranged on the lock hole (4) of the well cover, is tightly fit and linked with the thread end of a vertical-angle lock stick (6). The other end of the vertical-angle lock stick (6) is inserted into the sliding groove (7) of the well cover bracket (2). The utility model needs special tools for unlocking, and can effectively prevent people from stealing the well cover. The lock with low cost is simple in manufacture and installation, can be newly manufactured and can be formed by reforming the existing well cover.
Description
Technical field
The utility model belongs to the urban construction articles for use, the anti-stealing manhole cover that particularly a kind of road and dwelling house sewer well are used.
Technical background
At present, all to be that iron covering is floating be placed on Jing Tuoshang to the well lid of usefulness such as sewer well, heat supply well, often loses, and causes people, car damage, and also useful cement well lid is special heavy, moves up very inconvenient.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, and a kind of in light weight, anti-stealing manhole cover of needing special tool to open, be difficult for losing is provided.
The technical scheme that the utility model technical solution problem adopts is: anti-stealing manhole cover is made up of well lid holder and well lid, be characterized on the boss of the inwall bottom of well lid holder, establishing a circular chute, on the edge of well lid, establish a round keyhole, wear the polygonal nut of the internal thread of conical boss in lockhole, being equipped with versatilely, right angle type lock rod one end is connected with six square nut internal thread tight fits, and the other end inserts in the chute of well lid holder.
The beneficial effects of the utility model are: the utility model needs special tool to unblank, and can prevent effectively that people from stealing well lid, and this locking is made and installed simply, can make again, also can transform on original well lid, and cost is low.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 shows that the anti-stealing manhole cover master looks sectional view.
The vertical view of Fig. 2 diagrammatic sketch 1.
Among the figure, the brick raised platform around a well of 1-; The holder of 2-well lid; The 3-well lid; 4-well lid lockhole; 5-six square nuts; 6-right angle lock rod; 7-well lid holder chute
The specific embodiment
With reference to accompanying drawing 1,2, a kind of anti-stealing manhole cover mainly is made up of well lid holder 2, well lid 3.On brick raised platform around a well 1, put well lid hole 2, use cemented.Establish chute 7 on the boss of well lid holder 2 inwall bottoms, in well lid holder 2, put well lid 3, a round keyhole 4 is established at well lid 3 edges, with right angle type lock rod 6 not threaded end insert in the lock rod circular hole 7 of well lid holder 2, to lock rod 6 threaded end is connected with six square nuts, 5 internal thread tight fits, establish a conical boss above six square nuts 5, the boss height is no more than ground.As opening well lid 3, need six square nuts 5 to be twisted an angle with the private key of hexagon and conical recess in the band, make right angle lock rod 6 break away from well lid slide groove 7, can open well lid 3.
Claims (1)
1, a kind of anti-stealing manhole cover, mainly form by well lid holder (2) and well lid (3), it is characterized in that establishing a chute (7) in well lid holder (2) inwall bottom, a round keyhole (4) is established at well lid (3) edge, the polygonal nut (5) of wearing conical boss and internal thread is housed in the well lid lockhole (4) versatilely is connected with the end of thread tight fit of right angle lock rod (6), right angle lock rod (6) other end inserts in the chute (7) of well lid holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055624 CN2775139Y (en) | 2004-12-08 | 2004-12-08 | Anti-theft manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420055624 CN2775139Y (en) | 2004-12-08 | 2004-12-08 | Anti-theft manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775139Y true CN2775139Y (en) | 2006-04-26 |
Family
ID=36749452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420055624 Expired - Fee Related CN2775139Y (en) | 2004-12-08 | 2004-12-08 | Anti-theft manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775139Y (en) |
-
2004
- 2004-12-08 CN CN 200420055624 patent/CN2775139Y/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 |