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Integrated type anti-setting anti-falling well lid and unlocking device thereof

An unlocking device and anti-subsidence technology, which is applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of easy theft of manhole covers, inconvenient installation and disassembly, etc., and achieve the effect of avoiding people falling and convenient installation and replacement

Pending Publication Date: 2018-05-29
HANGZHOU JINMENG ROAD ESTAB CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned technical solution solves the safety problem caused by the original anti-fall net, the anti-fall inner cover needs multiple rotating lugs for fixing, which is very inconvenient to install and disassemble, and the manhole cover has no safety device and is easy to be stolen

Method used

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  • Integrated type anti-setting anti-falling well lid and unlocking device thereof
  • Integrated type anti-setting anti-falling well lid and unlocking device thereof
  • Integrated type anti-setting anti-falling well lid and unlocking device thereof

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Embodiment Construction

[0035] An integrated anti-subsidence and anti-fall manhole cover and its unlocking device of the present invention will be further described below in conjunction with the accompanying drawings.

[0036] Such as Figure 1-7 As shown, an integrated anti-settling and anti-falling manhole cover includes a cover body 1 and a base 2 which are rotatably connected.

[0037] The inner side of the cover body 1 is provided with a latch lock, and the latch lock is fixed on the inner side of the cover body 1 through a connecting piece 41 . Wherein, the latch lock comprises a screw rod 42 and a pressing rod 43 arranged on the screw rod 42, the screw rod 42 passes through a fixing ring 44 arranged on the connecting piece 41 and is fixed on the connecting piece 41, and the screw rod 42 is connected between the pressing rod 43 and the fixing ring. A spring 45 is sleeved between the 44 . In order to facilitate unlocking, the connecting piece 41 defines a locking hole 46 penetrating through th...

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Abstract

The invention relates to the technical field of public facilities, in particular to an integrated type anti-setting anti-falling well lid and an unlocking device thereof. The integrated type anti-setting anti-falling well lid comprises a lid body and a base which are rotatably connected; a plug pin lock is arranged on the inner side of the lid body, a boss is arranged on the base, an inner lid isarranged on the base, the outer ring of the inner lid and the boss are fixed in an abutting manner. The unlocking device of the well lid is used for unlocking the plug pin lock in the well lid, and comprises a supporting rod, an unlocking piece rotatably connected to the bottom of the supporting rod, and a rotating rod arranged on the upper portion of the supporting rod; the supporting rod is hollow, a push rod is inserted in an upper opening of the supporting rod, the push rod is pressed downwards to enable the unlocking piece to rotate. According to the integrated type anti-setting anti-falling well lid and the unlocking device thereof, the structure is simple, and the effective anti-theft aim is achieved.

Description

technical field [0001] The invention relates to the technical field of municipal facilities, in particular to an integrated anti-subsidence and anti-fall manhole cover and an unlocking device thereof. Background technique [0002] Because the manhole cover will be lost due to various reasons, when the manhole cover is missing, it is easy for pedestrians to fall into the well hole and have an accident. The anti-fall net catches the danger that is not easy to get out. [0003] Therefore, on the basis of the anti-fall net, a new anti-fall well cover design has been produced, such as the disclosed technical content of Chinese patent CN205369317U: a new type of anti-fall well cover, including a well seat and a cover body matched with the well seat, and the inner wall of the well seat There is a support frame for supporting the cover body. There is an anti-fall inner cover in the well base. There are multiple rotating protrusions evenly distributed on the anti-fall inner cover. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/14
CPCE02D29/127E02D29/1427E02D29/1481
Inventor 董成龙
Owner HANGZHOU JINMENG ROAD ESTAB CO LTD
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