CN2148781Y - Anti-theft device for municipal water supply and drainage well cover - Google Patents
Anti-theft device for municipal water supply and drainage well cover Download PDFInfo
- Publication number
- CN2148781Y CN2148781Y CN 93233624 CN93233624U CN2148781Y CN 2148781 Y CN2148781 Y CN 2148781Y CN 93233624 CN93233624 CN 93233624 CN 93233624 U CN93233624 U CN 93233624U CN 2148781 Y CN2148781 Y CN 2148781Y
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- CN
- China
- Prior art keywords
- well
- water supply
- special
- theft device
- cover
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- 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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Abstract
The utility model discloses an anti-theft device for municipal water supply and drainage well covers, which is mainly composed of a well seat, a well cover and an anti-theft device. The anti-theft device for municipal water supply and drainage well covers is that the existing square cover plate is additionally provided with an anti-theft bolt. Both ends of the bolt are movably fixed on a screw rod, and are positioned on a positioning rod on the well seat or a basal body by a special screw cap, or a circular cover plate is additionally provided with an anti-theft screw rod which passes through a movable ring and is positioned on the well seat or the basal body by the positioning rod. The anti-theft device for municipal water supply and drainage well cover can not only perfectly reserve all functions of the existing well cover, but also effectively lock the cover plate, and prevent the cover plate from being stolen. The anti-theft device for municipal water supply and drainage well cover has the advantages of simple manufacture, convenient use and easy repair.
Description
The utility model relates to the urban water supply and sewerage well cover antitheft device that is used for the sewer cover plate in a kind of city.
Existing municipal sewage system cover plate does not all have anti-theft device, only be that cover plate is placed on the manhole cover base, thereby usually cause losing of well lid, for addressing this problem, the way that municipal sector takes well lid to lock or ties down with hinge, though this method can stop cover plate stolen, the while also brings cost to increase, use deficiency inconvenient and not easy-maintaining and is difficult to popularize.
The purpose of this utility model just is to provide a kind of cover plate can the pinning, and has simple, the easy to use and urban water supply and sewerage well cover antitheft device for ease of maintenaince of manufacturing.
The purpose of this utility model realizes in the following manner: be added with antitheft fastening on existing square cover plate, this is fastened is to be formed through bending by a reinforcing bar, its two ends activity is fixed on the screw rod and by special-purpose nut location, this screw rod is by the backstay location that is fixed on well seat or the matrix; Or on circular cover, add an anti-theft screw, and this bar bottom is also by special-purpose fixed by nut, and anti-theft screw is positioned on well seat or the matrix through backstay by loose collar, and above-mentioned special-purpose nut is furnished with corresponding special spanner.
Description of drawings.
Fig. 1 is square lid anti-theft device embodiment 1 structural representation of the present utility model;
Fig. 2 is square lid anti-theft device embodiment 2 structural representations of the present utility model;
Fig. 3 is a circular lid anti-theft device structural representation of the present utility model;
Fig. 4 is a special spanner structural representation of the present utility model.
Wherein: 1, well lid, 2, the well seat, 3, antitheft fastening, 4, backstay, 5, special-purpose nut, 6, matrix, 7, connecting rod, 8, anti-theft screw, 9, loose collar, 10, special spanner.
Below in conjunction with accompanying drawing the utility model is further described.As shown in the figure, the utility model is to be added with antitheft fastening (3) on existing square well lid (1), this is fastened is to be formed through bending by a reinforcing bar, its two ends activity is fixed on the screw rod, and locate by special-purpose nut (5), this screw rod is by backstay (4) location (as shown in Figure 1) that is fixed on well seat (2) or the matrix (6), above-mentioned screw rod also can have annulus by a headband, and the other end is positioned in the backstay (4) (as shown in Figure 2) by the connecting rod (7) of special-purpose nut (5) location; For round manhole cover (as shown in Figure 3), then be on circular cover, to add an anti-theft screw (8), this bar bottom is also fixing by special-purpose nut (5), anti-theft screw is positioned on well seat (2) or the matrix (6) through backstay (4) by loose collar (9), above-mentioned special-purpose nut is furnished with corresponding special spanner (10), above-mentioned special-purpose nut (5) profile is cylindrical, its periphery is provided with the two or more apertures or the bar-shaped trough of symmetry, and the inboard of special-purpose wrench also is provided with double wedge or bar shaped tooth accordingly.
In use, for the unlatching of well lid among the embodiment shown in Figure 11, only the other end of well lid need be lifted the back and get final product to the upset of backstay one end; And for Fig. 2 and embodiment shown in Figure 3, then only need well lid mentioned and turn an angle to get final product.During as the need installation or removal, then need just can carry out, otherwise well lid can't be taken away, thereby played necessary antitheft effect with special-purpose wrench.
Adopt anti-theft device for municipal of the present utility model, the all functions that can not only keep in good condition existing well lid, and can effectively cover plate be pinned, prevent the stolen of cover plate, and have and make simple, easy to use and advantage for ease of maintenaince, be a kind ofly to be easy to promote and very practical anti-theft device for municipal.
Claims (3)
1, a kind of urban water supply and sewerage well cover antitheft device, mainly form by well seat, well lid and anti-theft device, it is characterized in that on existing square cover plate, being added with antitheft fastening, this is fastened is to be formed through bending by a reinforcing bar, its two ends activity is fixed on the screw rod and by special-purpose nut location, this screw rod is by the backstay location that is fixed on well seat or the matrix; Or on circular cover, add an anti-theft screw, and this bar bottom is also by special-purpose fixed by nut, and anti-theft screw is positioned on well seat or the matrix through backstay by loose collar.
2, urban water supply and sewerage well cover antitheft device according to claim 1 is characterized in that above-mentioned special-purpose nut profile is cylindrical, and its periphery is provided with the two or more apertures or the bar-shaped trough of symmetry.
3, urban water supply and sewerage well cover antitheft device according to claim 1 is characterized in that above-mentioned special-purpose nut is furnished with special-purpose wrench, and the inboard of special-purpose wrench also is provided with double wedge or bar shaped tooth accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93233624 CN2148781Y (en) | 1993-04-05 | 1993-04-05 | Anti-theft device for municipal water supply and drainage well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93233624 CN2148781Y (en) | 1993-04-05 | 1993-04-05 | Anti-theft device for municipal water supply and drainage well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2148781Y true CN2148781Y (en) | 1993-12-08 |
Family
ID=33809502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93233624 Expired - Fee Related CN2148781Y (en) | 1993-04-05 | 1993-04-05 | Anti-theft device for municipal water supply and drainage well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2148781Y (en) |
-
1993
- 1993-04-05 CN CN 93233624 patent/CN2148781Y/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 |