CN2541520Y - Internal hinge type anti-theft manhole cover - Google Patents
Internal hinge type anti-theft manhole cover Download PDFInfo
- Publication number
- CN2541520Y CN2541520Y CN 02209774 CN02209774U CN2541520Y CN 2541520 Y CN2541520 Y CN 2541520Y CN 02209774 CN02209774 CN 02209774 CN 02209774 U CN02209774 U CN 02209774U CN 2541520 Y CN2541520 Y CN 2541520Y
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- CN
- China
- Prior art keywords
- walling crib
- curb
- utility
- theft
- type anti
- 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.)
- Ceased
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model provides an anti-theft well cover which comprises a curb and a cover sheet, wherein shaft penetrating holes are arranged on the border of the curb and the border of the cover sheet, and a connecting shaft penetrates in the shaft penetrating hole. One side of the shaft penetrating hole of the curb is a closed counterbore, and the other end of the connecting shaft is welded with the curb. The utility model ensures the connecting shaft without any outer leakage portion, thereby the theft of the well cover by the illegal persons using the mode of sawing off the shaft is prevented effectively, and the anti-theft performance of the well cover is increased. The utility model is beneficial to ensure the safety of the public facility of the country, and the happening of the personal casualty and the property damage is prevented.
Description
(1) technical field
What the utility model designed is a kind of well lid, particularly a kind of anti-stealing manhole cover that is used for various inspection-pits such as communication, tap water, draining, coal gas.
(2) background technology
On the inspection-pit that is embedded in various facilities such as underground communication, tap water, draining, coal gas, all well lid to be set.Well lid by the walling crib on the matrix that is fixed on well, be arranged at that cover plate on the walling crib forms.Usually is split between walling crib and the cover plate because these wells are arranged on road or the sidewalk often, when vehicle through the out-of-date phenomenon such as well lid perk that takes place sometimes, cause the damage of the person, vehicle.Particularly well lid is easy to take off from walling crib, through regular meeting the situation that well lid is lost takes place.Well lid is lost the loss that not only can cause national wealth, and mistakes such as people, animal, vehicle are stepped on or during through this well that does not have a well lid, can bring great danger to it.In order to prevent losing of well lid, also have many anti-stealing manhole cover to occur, the main anti-theft measure of these anti-stealing manhole covers is, is connected with hinge between walling crib and the well lid, and between well lid and walling crib increase theftproof lock etc.But because the hinge axis between walling crib and the well lid leaks outside, the mode that some lawless persons often take to cut hinge axis is stolen well lid.
(3) summary of the invention
The object of the present invention is to provide a kind of theftproof performance good, interior hinge type anti-stealing manhole cover simple in structure.The purpose of this utility model is achieved in that it comprises walling crib, cover plate, and the Bian Shangyou of walling crib and cover plate wears axis hole, and connecting axle is through in the axis hole, and the end of wearing axis hole on the walling crib welds between the other end of connecting axle and the walling crib for the counterbore of sealing.Advantage of the present utility model is: adopting between walling crib and the cover plate on the connecting axle connection basis, make an end of connecting axle be arranged in the counterbore that seals on the walling crib, weld between the other end and the walling crib, constituted interior hinge typed structure, guarantee the connecting axle part that do not leak outside, can prevent effectively that therefore the mode that the lawless person takes to cut hinge axis from stealing well lid, increased the theftproof performance of well lid, help guaranteeing the safety of national communal facility, prevent the generation of personal injury and property loss.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1.
(5) specific embodiments
For a more detailed description to the utility model for example below in conjunction with accompanying drawing: earlier in conjunction with Fig. 1 and Fig. 2, basic composition of the present utility model comprises walling crib 2, cover plate 1, and the Bian Shangyou of walling crib and cover plate wears axis hole 4.In conjunction with Fig. 3, connecting axle 3 is through in the axis hole again, and the end of wearing axis hole on the walling crib welds between the other end of connecting axle and the walling crib for the counterbore of sealing.For the unlatching of cover plate convenient, cover plate with wear the setting of axis hole opposite position and carry hole 5.
Claims (2)
1, a kind of interior hinge type anti-stealing manhole cover, it comprises walling crib, cover plate, it is characterized in that: the Bian Shangyou of walling crib and cover plate wears axis hole, and connecting axle is through in the axis hole, and the end of wearing axis hole on the walling crib welds between the other end of connecting axle and the walling crib for the counterbore of sealing.
2, hinge type anti-stealing manhole cover in according to claim 1 is characterized in that: cover plate with wear the setting of axis hole opposite position and carry the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209774 CN2541520Y (en) | 2002-01-14 | 2002-01-14 | Internal hinge type anti-theft manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209774 CN2541520Y (en) | 2002-01-14 | 2002-01-14 | Internal hinge type anti-theft manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2541520Y true CN2541520Y (en) | 2003-03-26 |
Family
ID=33690115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02209774 Ceased CN2541520Y (en) | 2002-01-14 | 2002-01-14 | Internal hinge type anti-theft manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2541520Y (en) |
-
2002
- 2002-01-14 CN CN 02209774 patent/CN2541520Y/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20070716 Decision number of declaring invalidation: 10331 |