CN2217644Y - Anti-theft manhole-cover - Google Patents
Anti-theft manhole-cover Download PDFInfo
- Publication number
- CN2217644Y CN2217644Y CN 94235734 CN94235734U CN2217644Y CN 2217644 Y CN2217644 Y CN 2217644Y CN 94235734 CN94235734 CN 94235734 CN 94235734 U CN94235734 U CN 94235734U CN 2217644 Y CN2217644 Y CN 2217644Y
- Authority
- CN
- China
- Prior art keywords
- loam cake
- manhole cover
- base plate
- hole
- countersunk 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
Links
Landscapes
- Sewage (AREA)
Abstract
The utility model relates to a device for sewage wells or valve wells of tap water meters, which is an anti-theft manhole cover solving the problem that the existing manhole cover is easy to lever and steal. The utility model is characterized in that an upper cover is fastened on a base board embedded in the ground by two to four non-standard screw-bolts with anomalous heads. The anti-theft manhole cover can be used on sewage wells of various sewers or valve wells of tap water meters.
Description
The utility model relates to a kind of device that is used for sink hole or tap water meter valve well, particularly a kind of anti-stealing manhole cover.
The lid of sink hole and tap water meter valve well is made of the loam cake that is embedded in the base plate in the ground and cover on base plate at present.Because loam cake covers and do not have fasteningly on base plate, so loam cake is easy to be pried open move, the stolen phenomenon of well lid generally takes place in the whole nation.The stolen loss that not only causes national wealth of well lid also causes pedestrian or child to fall into the accident of well easily.Solving the stolen problem of well lid is the problem that various places all are concerned about, never has good way.
The purpose of this utility model designs a kind of difficult quilt exactly and pries open and move, and the well lid that when safeguarding well, can open easily.
The utility model is achieved in that this well lid still has base plate and the loam cake that has otic placode, and it is that loam cake is fastened on the interior step surface of the base plate made from steel concrete or iron with 2-4 non-standard special-shaped hook bolt with the difference of general well lid.The shape of non-standard special-shaped hook bolt head can be interior or outer triangle, interior or outer quadrangle, interior or outer pentagon or interior or other limit shape and shapes outward.During use, the flat board of base plate is imbedded in the ground, and loam cake is fastened on the base plate on the plane, and the last plane of loam cake is equal with ground.
Not above ground level for the head that makes fastening bolt, in the last countersunk head hole that covered, the head of non-standard special-shaped hook bolt is positioned at the countersunk head hole of loam cake, for earth and foreign material are fallen in the countersunk head hole, above the countersunk head hole gland is housed again.
In addition,, a groove is arranged, the handle that can mention and avale is housed in the hole at groove two in the upper surface middle part of loam cake for the convenience when needs are opened.
Because loam cake of the present utility model is to be fastened on the base plate with non-standard special-shaped hook bolt, open loam cake so can not at will open or looser a bolt with common spanner.When the staff need open,, use easily as long as unclamping bolt with special spanner can open loam cake.On the countersunk head hole, gland is housed, earth and foreign material can not be fallen in the countersunk head hole, just do not hinder when using spanner like this.Clay the making of base plate available water of this well lid in addition is so cost is lower.
Below in conjunction with accompanying drawing the utility model is explained.
Accompanying drawing 1 is the utility model outside drawing;
Accompanying drawing 2 is a sectional view of the present utility model;
Accompanying drawing 3 is the nose shape figure of the used non-standard special-shaped hook bolt of the utility model.
Constitute by base plate 1 and loam cake 2 from Fig. 1 and this as can be seen well lid of Fig. 2.Base plate 1 usefulness steel concrete is made, and around it four otic placodes 4 is arranged, and during use otic placode 4 is embedded in the ground, and base plate has been embedded into 3 nuts 5 for 1 li, so that fastening usefulness is made in 3 cooperations with bolt.3 bolts 3 of loam cake 2 usefulness are fastened on the interior step of base plate 1.The head of each bolt 3 all is positioned at the countersunk head hole of loam cake 2, the countersunk head hole top with screw fastening gland 6.In the middle of the upper surface of loam cake 2, groove is arranged one, handle 7 is housed in the hole at groove two.Handle 7 is a shape, and the bottom, two ends is screwed with nut.Handle 7 can freely be mentioned along the hole at groove two or avale like this.When avaling, the top of handle 7 just in groove, does not cover the plane on not exceeding.As can be seen from Figure 3, used bolt 3 is a kind of non-standard special-shaped hook bolts, and its nose shape is a regular pentagon.
In order further to strengthen theftproof performance, the several bolts on the same well lid can be different special-shaped heads.
Claims (3)
1, a kind of anti-stealing manhole cover, it has base plate and the loam cake that has otic placode, it is characterized in that: loam cake is fastened on the interior step surface of the base plate made from steel concrete or iron with 2-4 non-standard special-shaped hook bolt.
2, anti-stealing manhole cover according to claim 1 is characterized in that: on covered countersunk head hole, the head of non-standard special-shaped hook bolt is positioned at the countersunk head hole of loam cake, above the countersunk head hole gland is housed.
3, anti-stealing manhole cover according to claim 1 and 2 is characterized in that: the upper surface middle part at loam cake has a groove, and the handle of can pull-up and avaling is housed in the hole at groove two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94235734 CN2217644Y (en) | 1994-11-14 | 1994-11-14 | Anti-theft manhole-cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94235734 CN2217644Y (en) | 1994-11-14 | 1994-11-14 | Anti-theft manhole-cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2217644Y true CN2217644Y (en) | 1996-01-17 |
Family
ID=33843923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94235734 Expired - Fee Related CN2217644Y (en) | 1994-11-14 | 1994-11-14 | Anti-theft manhole-cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2217644Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061400A (en) * | 2013-01-12 | 2013-04-24 | 米亚建筑材料（昆山）有限公司 | Antitheft mute drainage ditch |
| CN104631511A (en) * | 2015-02-09 | 2015-05-20 | 苏州设计研究院股份有限公司 | Manhole cover blind hole lift |
| CN109592257A (en) * | 2018-12-27 | 2019-04-09 | 阳光大地（天津）环保工程有限公司 | A kind of medical waste transport box theft-prevention structure and secure identification system |
-
1994
- 1994-11-14 CN CN 94235734 patent/CN2217644Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061400A (en) * | 2013-01-12 | 2013-04-24 | 米亚建筑材料（昆山）有限公司 | Antitheft mute drainage ditch |
| CN104631511A (en) * | 2015-02-09 | 2015-05-20 | 苏州设计研究院股份有限公司 | Manhole cover blind hole lift |
| CN109592257A (en) * | 2018-12-27 | 2019-04-09 | 阳光大地（天津）环保工程有限公司 | A kind of medical waste transport box theft-prevention structure and secure identification system |
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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 |