CN2744735Y - Theft-proof manhole cover - Google Patents
Theft-proof manhole cover Download PDFInfo
- Publication number
- CN2744735Y CN2744735Y CN 200420117910 CN200420117910U CN2744735Y CN 2744735 Y CN2744735 Y CN 2744735Y CN 200420117910 CN200420117910 CN 200420117910 CN 200420117910 U CN200420117910 U CN 200420117910U CN 2744735 Y CN2744735 Y CN 2744735Y
- Authority
- CN
- China
- Prior art keywords
- tapered end
- well lid
- lid plate
- manhole cover
- screw head
- 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 provides a theft-proof manhole cover which comprises a manhole cover plate, a dead bolt and a lock head perch. A shaft hole and a shaft hole base are arranged under the manhole cover plate. The lock head perch penetrates the shaft hole. The dead bolt is arranged on the manhole cover plate by the lock head perch. The theft-proof manhole cover is characterized in that a concave-downward limited platform is arranged at the position which is on the manhole cover plate and is corresponding to the shaft hole base. The upper end of the lock head perch is a left rotating screw head. A lock head is arranged under the left rotating screw head. An annular notch is arranged on the lock head. The lock head is integrally fixed with the lock head perch. The left rotating screw head is eccentric in the annular notch. The lock head is arranged in the circular concave-downward limited platform and is provided with a cover opening handle which is separated from the cover plate. The threaded hole terminal of the cover opening handle is provided with a threaded hole which is axially rotated to the left. The threaded hole is matched with the left rotating screw head of the lock head perch. The other end of the cover opening handle is an eccentric sleeve tube. The eccentric sleeve tube can be inserted into the annular notch. An axial hole is arranged at the eccentric sleeve tube. The outer round of the axial hole which is corresponding to the eccentric sleeve tube is an eccentric round. The theft-proof manhole cover has simple structure and easy use.
Description
Technical field
The utility model relates to a kind of anti-stealing manhole cover.
Background technology
Cable shaft, following well and tap water pipe well are a lot of on the road now, the various aboveground well lids that are covered with, and losing of well lid is very serious, after well lid is lost, not only causes any property loss, and can cause personal injury.In order to prevent that well lid from losing, various anti-stealing manhole covers are disclosed, what have uses padlock, and what have uses dead bolt.The former locks the son damage that gets rusty easily, and complex structure, and the latter is opened easily.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing anti-stealing manhole cover, the utility model provides a kind of simple in structure, anti-stealing manhole cover of being difficult to open.
The utility model is a kind of dead bolt anti-stealing manhole cover, it comprises the well lid plate, dead bolt and tapered end bar, axis hole and boss are arranged under the well lid plate, the thickness of the spacing collar of the height of boss and well seat adapts, spacing collar thickness greater than the well seat, the tapered end bar penetrates the axis hole of well lid plate, dead bolt is parallel with the well lid plate to be installed on the well lid plate by the tapered end bar, have between dead bolt and the tapered end bar and prevent between the two the limit element of rotation mutually, it is characterized in that: said boss is by well lid plate outer edge, spacing collar inboard at the well seat, on the well lid plate, circular recessed limiting stand is arranged with the corresponding position of boss, the upper end of tapered end bar is the left-handed screw head and chamfering is arranged, the tapered end that under the left-handed screw head, has a Pan Kou to make progress, tapered end and tapered end bar are fixed as one, one annular groove is arranged above the tapered end, making the axial cross section of tapered end bar upper end is Ш shape, the mark that an expression direction is arranged on tapered end, the left-handed screw head decentraction of the annular groove of tapered end and tapered end bar upper end, the left-handed screw head that is tapered end bar upper end is eccentric in the tapered end annular groove, and tapered end is installed in the circular recessed limiting stand; Also disposing the handle of uncapping that is divided into two bodies with the well lid plate, the screw end of handle of uncapping has an axial left-handed screw, the left-handed screw head of this screw and tapered end bar upper end matches, the other end of handle of uncapping is a decentralized casing, decentralized casing can insert in the annular groove of tapered end, the outside circle of decentralized casing matches with the inboard circle of the annular groove of tapered end, at decentralized casing one axial hole is arranged, the external diameter of the left-handed screw head of axial hole and tapered end bar upper end matches, the relative decentralized casing of axial hole outside circle is eccentric, when decentralized casing inserts in the annular groove of tapered end, the axial hole of decentralized casing is enclosed within outside the left-handed screw head of tapered end bar upper end, is plugging in a cross bar at the handle of uncapping.
When the well lid plate covers on the well seat, and between the well seat limiting stand certain unevenness is always arranged, when wheel is walked on the well lid plate, produce very big impact between well lid plate and the well seat, not only send very big noise, and have influence on the application life of well lid plate.In order to reduce the impact between well lid plate and the well seat, there is the people under the well lid plate, to paste annular rubber ring, though can reduce vibration and impact the cost height.This anti-stealing manhole cover is that the circumference by the well lid plate is being inlayed the plurality of rubber piece below the well lid plate.
This anti-stealing manhole cover is to use like this.When the well lid plate covers after on the well seat, decentralized casing with the handle of uncapping is inserted in the annular groove of tapered end, and axial hole is enclosed within the left-handed screw head of tapered end bar, rotates the handle of uncapping, the dead bolt that drives under the tapered end goes under the spacing collar of well seat, and dead bolt and well seat spacing collar produce locking function each other.When driving a well cover plate, use aforesaid way,, make dead bolt rotate the spacing collar that breaks away from the well seat by the handle rotational lock head of uncapping.When opening the well lid plate, with uncapping the screw end of handle, left-handed screw is screwed in the left-handed screw head of tapered end, upwards carries the handle of uncapping, the well lid plate is promptly along with opening.This anti-stealing manhole cover can't be opened without the handle of uncapping of the utility model configuration.This anti-stealing manhole cover is not only simple in structure, and is easy to use, and anti-silt stops up effective.
Description of drawings
Fig. 1 is embodiment one structure chart of this anti-stealing manhole cover, cuts open along the plane of symmetry.
Fig. 2 is and the corresponding vertical view that takes down behind the handle of uncapping of Fig. 1.
Fig. 3 is the partial enlarged drawing of left side among Fig. 1.
Fig. 4 is the partial enlarged drawing that left-handed screw is screwed in tapered end bar upper end left-handed screw head.
Fig. 5 is that this anti-stealing manhole cover covers the sectional view at the well seat.
Fig. 6 is the bottom view of this anti-stealing manhole cover embodiment two.
Among the above-mentioned figure: 1, the handle 2 of uncapping, tapered end bar 3, recessed limiting stand 4, axis hole 5, boss 6, dead bolt 7, nut 8, well lid plate 9, tapered end bar 10, recessed limiting stand 11, dead bolt 12, screw end 13, left-handed screw 14, through hole 15, cross bar 16, through hole 17, axial hole 18, decentralized casing 19, left-handed screw head 20, chamfering 21, annular groove 22, at the bottom of the annular groove 23, tapered end 24, tapered end bar axle 25, pin 26, screw thread 27, limiting stand 28, spacing collar 29, well seat 30, well seat ring 31, spacing collar 32, rubber pad
The specific embodiment
The specific embodiment of this anti-stealing manhole cover is provided by following embodiment and accompanying drawing thereof, but this anti-stealing manhole cover is not limited to following embodiment.
The anti-stealing manhole cover that Fig. 1 and Fig. 2 provide is a kind of anti-stealing manhole cover of dead bolt, it comprises well lid plate 8, dead bolt 6, dead bolt 11, tapered end bar 2 and tapered end bar 9, at the well lid plate axis hole and boss such as axis hole 4 and boss 5 are arranged for 8 times, the height of the spacing collar 28 of the height of boss 5 and well seat 29 adapts, be slightly larger than spacing collar 28 height, referring to Fig. 5, the spindle nose bar axle 24 of tapered end bar 2 penetrates the axis hole 4 of well lid plate 8, dead bolt 6 and well lid plate 8 are parallel to be installed on the well lid plate 8 by tapered end bar 2, has between dead bolt 6 and the tapered end bar 2 to prevent the limit element pin 25 that rotates mutually between the two.Below with the structure explanation tapered end bar of left-half among Fig. 1 and the installation of axis hole.Referring to Fig. 3, boss 5 is by the outer edge of well lid plate 8, spacing collar 28 inboards at well seat 29, on well lid plate 8, recessed limiting stand 3 is arranged with boss 5 corresponding positions, the upper end of tapered end bar 2 is left-handed screw head 19 and chamfering 20 is arranged, the tapered end 23 that has for 19 times a Pan Kou to make progress at the left-handed screw head, tapered end 23 is fixed as one with tapered end bar 2, an annular groove 21 is arranged above the tapered end 23, the axial cross section that makes tapered end bar 2 upper ends is a Ш shape, the mark that an expression direction is arranged on tapered end 23, the annular groove 21 of tapered end 23 and left-handed screw head 19 decentraction of tapered end bar 2 upper ends, the left-handed screw head 19 that is tapered end bar 2 upper ends is eccentric in tapered end 23 annular grooves 21, and tapered end 23 is installed in the recessed limiting stand 3.This anti-stealing manhole cover must dispose the handle 1 of uncapping that is divided into two bodies with well lid plate 8 and could use, there is an axial left-handed screw 13 the uncap upper end of handle 1, the left-handed screw head 19 of this screw and tapered end bar 2 upper ends matches, referring to Fig. 4, the uncap lower end of handle 1 is a decentralized casing 18, decentralized casing 18 can insert in the annular groove 21 of tapered end 23, the outside circle of decentralized casing 18 matches with the inboard circle of the annular groove 21 of tapered end, at decentralized casing 18 axial hole 17 is arranged, axial hole 17 matches with left-handed screw head 19 external diameters of tapered end bar 2 upper ends, axial hole 17 relative decentralized casing 18 outside circles are eccentric, when decentralized casing 18 inserts in the annular groove 21 of tapered ends 23, the axial hole 17 of decentralized casing 18 is enclosed within outside the left-handed screw head 19 of tapered end bar 2 upper ends, is plugging in a cross bar 15 at the handle of uncapping.
This anti-stealing manhole cover embodiment two sees Fig. 6, and it is that the circumference by the well lid plate is being inlayed six block rubbers 32 below the well lid plate 8 of embodiment one.
Claims (2)
1, a kind of anti-stealing manhole cover, it comprises the well lid plate, dead bolt and tapered end bar, axis hole and boss are arranged under the well lid plate, the thickness of the spacing collar of the height of boss and well seat adapts, the tapered end bar penetrates the axis hole of well lid plate, dead bolt is parallel with the well lid plate to be installed on the well lid plate by the tapered end bar, have between dead bolt and the tapered end bar and prevent between the two the limit element of rotation mutually, it is characterized in that: said boss is by well lid plate outer edge, on the well lid plate, circular recessed limiting stand is arranged with the corresponding position of boss, the upper end of tapered end bar is the left-handed screw head and chamfering is arranged, the tapered end that under the left-handed screw head, has a Pan Kou to make progress, tapered end and tapered end bar are fixed as one, and an annular groove is arranged above the tapered end, make the axial cross section of tapered end bar upper end be
Shape has a mark of representing direction on tapered end, the left-handed screw head of tapered end bar upper end is eccentric in the tapered end annular groove, and tapered end is installed in the circular recessed limiting stand; Also disposing the handle of uncapping that is divided into two bodies with the well lid plate, the screw end of handle of uncapping has an axial left-handed screw, the left-handed screw head of this screw and tapered end bar upper end matches, the other end of handle of uncapping is a decentralized casing, decentralized casing can insert in the annular groove of tapered end, the outside circle of decentralized casing matches with the inboard circle of the annular groove of tapered end, at decentralized casing one axial hole is arranged, the external diameter of the left-handed screw head of axial hole and tapered end bar upper end matches, the relative decentralized casing of axial hole outside circle is eccentric, when decentralized casing inserted in the annular groove of tapered end, the axial hole of decentralized casing was enclosed within outside the left-handed screw head of tapered end bar upper end, and handle is being plugged in cross bar uncapping.
2, anti-stealing manhole cover according to claim 1 is characterized in that: the circumference by the well lid plate below the well lid plate is being inlayed the plurality of rubber piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117910 CN2744735Y (en) | 2004-10-20 | 2004-10-20 | Theft-proof manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117910 CN2744735Y (en) | 2004-10-20 | 2004-10-20 | Theft-proof manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2744735Y true CN2744735Y (en) | 2005-12-07 |
Family
ID=35579518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420117910 Expired - Fee Related CN2744735Y (en) | 2004-10-20 | 2004-10-20 | Theft-proof manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2744735Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420483A (en) * | 2013-08-29 | 2015-03-18 | 赵百华 | Anti-theft well lid |
-
2004
- 2004-10-20 CN CN 200420117910 patent/CN2744735Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420483A (en) * | 2013-08-29 | 2015-03-18 | 赵百华 | Anti-theft well lid |
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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 |