CN2396101Y - Anti-theft cover for manhole - Google Patents
Anti-theft cover for manhole Download PDFInfo
- Publication number
- CN2396101Y CN2396101Y CN 99234089 CN99234089U CN2396101Y CN 2396101 Y CN2396101 Y CN 2396101Y CN 99234089 CN99234089 CN 99234089 CN 99234089 U CN99234089 U CN 99234089U CN 2396101 Y CN2396101 Y CN 2396101Y
- Authority
- CN
- China
- Prior art keywords
- manhole cover
- well lid
- manhole
- locking bar
- theft
- 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 manhole cover 3 and a manhole ring 4. The utility model is characterized in that the center of the manhole cover 3 is provided with an anti-theft bolt device, that is, the center of the manhole cover 3 is provided with a lock rod 2 of which the upper end is in a geometric shape, and the lock rod 2 is penetrated through the manhole cover 3 and is fixedly connected with a drive plate 6 in the manhole cover 3. The drive plate 6 is movably connected to two lock bolts 1, and the connecting position of the manhole cover 3 and the manhole ring 4 can be also provided with a hinge. The manhole cover anti-theft device which is reliable, simple and convenient can effectively prevent the manhole cover from being stolen and prevent accidents form happening caused by that the manhole cover is stolen.
Description
The utility model relates to a kind of Manhole covers that is used for urban public utilities hoistways such as urban water supply, draining, road lamp line, telephone wire, especially a kind of anti-stealing manhole cover.
At present, the Manhole covers of urban public utilities hoistways such as the water supply on urban street and road side etc., draining, road lamp line, telephone wire, because without any anti-theft device, very easily stolen by the people, and well lid stolen after, well head is easy to fall down pedestrian and vehicle at night, causes the contingency of the person and vehicle.
The purpose of this utility model is: overcome above defective, a kind of anti-stealing manhole cover with anti-theft feature is provided.
The purpose of this utility model is achieved in that this anti-stealing manhole cover comprises well lid and walling crib, be characterized in: be provided with the anti-theft bolt device at the well lid center and promptly on well lid, be provided with the locking bar that the upper end is geometry, locking bar passes well lid and fixedlys connected with the dial in it, is connected with two locking bolts on the dial.
Can establish the hinge that well lid can be opened to 180 degree in the junction of well lid and walling crib.
As improvement, this anti-stealing manhole cover also comprises the special spanner that matches with locking bar upper end geometry.
During actual the use, when the workman is enclosed within when rotating on the locking bar with the spanner of special geometry, its locking bar drives dial and rotates, and then two locking bolts on the drive dial and then rotate, when two locking bolts go to when being in line from approximate parastate, two locking bolts just insert the walling crib bottom respectively, thereby reach the purpose of pinning well lid, prevent that effectively well lid is stolen.
If install hinge, then double insurance additional.
The utility model has the advantages that: one,, prevented that effectively well lid is stolen, thereby can avoid taking place the pedestrian, vehicle is fallen into the contingency in the well head because well cover antitheft device is reliable.Two, this anti-stealing manhole cover can be selected above two kinds of antitheft schemes, is widely used in the various well lids of urban public utilities.
Introduce an embodiment below in conjunction with accompanying drawing.
Fig. 1 is the utility model front section view.
Fig. 2 is Fig. 1 vertical view.
Fig. 3 is Fig. 1 upward view.
Shown in the accompanying drawing, on the hoistway well head, fix spill walling crib 4 with cement mortar basis 5, well lid 3 is placed in the Baltimore groove of walling crib 4.Walling crib 4, well lid 3 all adopt cast iron casting.Well lid 3 is provided with the hinge 7 that well lid can be opened to 180 degree with the junction of walling crib 4.Certainly, also can not establish hinge.Be provided with above the well lid 3 for the handle of taking off well lid 3 usefulness or sled hole (not shown), take off lid in order to the constructor.The anti-theft bolt device that is located at well lid 3 centers comprises: being provided with a upper end in well lid 3 centers are provided with the hole of step is outer leg-of-mutton locking bar 2, also can be interior triangle, also can be inside and outside square or other geometries, locking bar 2 passes the through hole (upper end of locking bar 2 is greater than the well lid through hole) of well lid 3, and be connected with the center fixation of dial 6 in the well lid, dial 6 is oval shape, its two ends are connected with two locking bolts 1, this anti-stealing manhole cover also is provided with a special special spanner that matches with locking bar 2 upper end geometries, and spanner is made of steel.
This anti-stealing manhole cover can for two kinds of selections promptly: one, establish antitheft pin device and do not establish hinge; Two, establish hinge and anti-theft bolt device simultaneously.
Claims (3)
1, a kind of anti-stealing manhole cover, comprise well lid, walling crib, it is characterized in that: be provided with the anti-theft bolt device promptly: be provided with the locking bar (2) that the upper end is geometry at well lid (3) center at well lid (3) center, locking bar (2) passes well lid (3) and fixedlys connected with the dial (6) in it, is connected with two locking bolts (1) on the dial (6).
2, anti-stealing manhole cover according to claim 1 is characterized in that: be provided with the hinges (7) that well lid can be opened to 180 degree in the junction of well lid (3) and walling crib (4).
3, anti-stealing manhole cover according to claim 1 is characterized in that: this anti-stealing manhole cover also comprises the special spanner that matches with locking bar (2) upper end geometry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99234089 CN2396101Y (en) | 1999-09-18 | 1999-09-18 | Anti-theft cover for manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99234089 CN2396101Y (en) | 1999-09-18 | 1999-09-18 | Anti-theft cover for manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2396101Y true CN2396101Y (en) | 2000-09-13 |
Family
ID=34022338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99234089 Expired - Fee Related CN2396101Y (en) | 1999-09-18 | 1999-09-18 | Anti-theft cover for manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2396101Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929157A (en) * | 2015-06-24 | 2015-09-23 | 成都瑞达科恒科技有限公司 | Anti-freezing well cementing ring |
-
1999
- 1999-09-18 CN CN 99234089 patent/CN2396101Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929157A (en) * | 2015-06-24 | 2015-09-23 | 成都瑞达科恒科技有限公司 | Anti-freezing well cementing ring |
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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 |