CN1651662A - Safety antitheft well cover - Google Patents

Safety antitheft well cover Download PDF

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Publication number
CN1651662A
CN1651662A CN 200510033227 CN200510033227A CN1651662A CN 1651662 A CN1651662 A CN 1651662A CN 200510033227 CN200510033227 CN 200510033227 CN 200510033227 A CN200510033227 A CN 200510033227A CN 1651662 A CN1651662 A CN 1651662A
Authority
CN
China
Prior art keywords
well lid
peg
manhole cover
hole
ring support
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.)
Pending
Application number
CN 200510033227
Other languages
Chinese (zh)
Inventor
魏典财
Original Assignee
魏典财
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 魏典财 filed Critical 魏典财
Priority to CN 200510033227 priority Critical patent/CN1651662A/en
Publication of CN1651662A publication Critical patent/CN1651662A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a safe anti-theft inspection manhole cover, including manhole cover and manhole cover ring seat, it is characterized by that the inner edge of said manhole cover ring seat is equipped with step on which several through holes are set, on the manhole cover several sunk holes correspondent to the above-mentioned through hols are set, and the through holes and sunk holes are connected together by means of matched bolts made of plastics by adopting die casting process. Besides, said invention also provides the concrete structure of said matched bolt.

Description

Safe theft-proof well cover
Technical field:
The invention belongs to fields such as urban road is employedly given, draining well lid, underground postal, electric conveyance conduit maintenance well lid.
Background technology:
At present, the well lid that urban road generally uses adopts well lid and well lid ring support split structure, and therefore often stolen, this not only influences traffic, also jeopardizes pedestrian's safety; Stolen in order to prevent well lid, Chinese patent discloses many technical schemes: it to the effect that is provided with the lock device of core with lock between well lid and well lid ring support, must adopt key or special-purpose wrench during unlatching, its weak point is: because it is subjected to the corrosion of rainwater, sewage or the obstruction of silt for a long time, often make key insert lockhole and safety lock is scrapped, its consequence is that whole well lid is scrapped, and must just can carry out underground work after prying open with well lid is destructive.
Summary of the invention:
The objective of the invention is to overcome the weak point of existing anti-stealing manhole cover, a kind of unlatching safe theft-proof well cover eaily is provided.
The present invention, comprise well lid and well lid ring support, it is characterized in that: the interior eaves at the well lid ring support is provided with step, and through hole is set on step, be provided with counterbore with the corresponding well lid of through hole, be provided with the peg with its coupling on through hole and counterbore, the top of peg is the head of a nail, its middle and lower part is provided with the elastic shrinkage seam, and its underpart is the footpath taper ailhead that expands.
The present invention, described peg is made as nylon plastic(s) or acetal plastic pressure injection by plastic material.
The present invention, the critical component of its security lock arrangement is a peg, and peg is designed as consumable accessory, must adopt drilling tool (wimble or electric drill all can) that peg is bored when opening well lid, if peg adopts plastic material to make, then to open more conveniently, cost is lower.When reinstalling well lid, must use new peg.As row robber person, will can brazenly not be with drilling tool to remove well lid steathily, thereby play the purpose of safe antitheft effectively.
Characteristics such as the present invention has simple in structure, science, and cost is low, and theftproof performance is good.Compare with existing well lid, also have stability and planarization preferably.
Description of drawings:
Fig. 1-Fig. 3 is the structural representation of embodiment 1, and wherein Fig. 1 is the structural representation of well lid, and Fig. 2 is the structural representation of well lid ring support; Fig. 3 is the overall structure schematic diagram.
Fig. 4-Fig. 6 is the structural representation of embodiment 2, and wherein Fig. 1 is the structural representation of well lid, and Fig. 2 is the structural representation of well lid ring support; Fig. 3 is the overall structure schematic diagram.
Among the figure, 1, well lid 11, counterbore 12, weep hole 2, ring support 21, step 22, through hole 3, peg 31, the head of a nail 32, elastic shrinkage seam 33, footpath taper ailhead expands.
The specific embodiment:
Embodiment 1, circular safe theft-proof well cover.
With reference to Fig. 1-Fig. 3, the safety anti-stealing manhole cover, comprise round manhole cover 1 and well lid ring support 2, extend at the interior eaves position of well lid ring support 2 two pairs of ligulate steps 21 are set, and be provided with four counterbores 11 being provided with on the ligulate step on through hole 22 and the corresponding well lid of through hole, on through hole 22 and counterbore 11, be provided with peg 3 with its coupling, the top of peg is the head of a nail 31, and its middle and lower part is provided with cross elastic shrinkage seam 32, and its underpart is the footpath taper ailhead 33 that expands.Described round manhole cover 1 of present embodiment and well lid ring support 2 adopt Cast Iron Production; Peg 3 adopts nylon plastic(s) or acetal plastic pressure injection to produce.
Embodiment 2, square safe theft-proof well cover.
With reference to Fig. 4-Fig. 6, the safety anti-stealing manhole cover, comprise square well lid 1 and well lid ring support 2, well lid 1 is provided with some weep holes (seam) 12, interior eaves extension at well lid ring support 2 is provided with step 21, and be provided with four counterbores 11 being provided with on four corners on through hole 22 and the corresponding well lid of through hole, on through hole 22 and counterbore 11, be provided with peg 3 with its coupling.The structure of peg and the material of employing are identical with embodiment 1, and well lid 1 and well lid ring support 2 also adopt Cast Iron Production.

Claims (2)

1, a kind of safe theft-proof well cover, comprise well lid (1) and well lid ring support (2), it is characterized in that: the interior eaves at well lid ring support (2) is provided with step (21), and through hole (22) is set on step, be provided with counterbore (11) with the corresponding well lid of through hole, be provided with the peg (3) with its coupling on through hole (22) and counterbore (11), the top of peg is the head of a nail (31), its middle and lower part is provided with elastic shrinkage seam (32), and its underpart is the footpath taper ailhead (33) that expands.
2, safe theft-proof well cover according to claim 1 is characterized in that: described peg (3) is made by the plastic material pressure injection.
CN 200510033227 2005-02-06 2005-02-06 Safety antitheft well cover Pending CN1651662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510033227 CN1651662A (en) 2005-02-06 2005-02-06 Safety antitheft well cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510033227 CN1651662A (en) 2005-02-06 2005-02-06 Safety antitheft well cover

Publications (1)

Publication Number Publication Date
CN1651662A true CN1651662A (en) 2005-08-10

Family

ID=34876130

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510033227 Pending CN1651662A (en) 2005-02-06 2005-02-06 Safety antitheft well cover

Country Status (1)

Country Link
CN (1) CN1651662A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493491A (en) * 2011-12-15 2012-06-13 邯郸供电公司 Antitheft cable well cover
CN105672082A (en) * 2016-01-27 2016-06-15 林建凯 Airplane snowfield takeoff and landing layered blanket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493491A (en) * 2011-12-15 2012-06-13 邯郸供电公司 Antitheft cable well cover
CN105672082A (en) * 2016-01-27 2016-06-15 林建凯 Airplane snowfield takeoff and landing layered blanket

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