CN2504321Y

CN2504321Y - Anti-theft anti-falling cast iron manhole cover

Info

Publication number: CN2504321Y
Application number: CN 01250673
Authority: CN
Inventors: ***; 张秀男
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-11
Filing date: 2001-09-11
Publication date: 2002-08-07
Anticipated expiration: 2011-09-11

Abstract

The utility model discloses a theft and drop preventing cast iron well cover. The well cover and a well seat are hinged to each other, and are connected as an integrated one when being opened or closed. The well cover is convenient to be opened, as well as is hard to be lost. A gridding shaped safety net of the well seat is provided with an automatic return device, when the operator goes down into the well, the safety net can return automatically to be in the safety protecting state. The utility model is convenient for going in or out, does not influence the ventilation and the light transmission, can prevent the passenger or other foreign bodies from dropping into the well to happen an accident. The utility model consists of a well seat 1, a well cover 2, and a safety net 3, and the theft and drop preventing cast iron well cover is characterized in that the upper surface of the inner edge of the well seat 1 has a cast iron well cover 2 which can be buckled in the inner edge to be level with the upper surface of the well seat. The cast iron well cover and the well seat are hinged together. The underside of the well seat 1 has the gridding shaped safety net 3 which is hinged with the well seat and can be buckled at the underside of the inner edge of the well seat.

Description

The antitheft anti-casting iron well lid that falls

(1) technical field

The utility model belongs to network of underground, leads to the required well lid in exit on ground.Specifically a kind of prevent loss and well lid prevents that people or thing from falling into the extraordinary well lid in the network of underground after opening.

(2) background technology

At present, no matter general casting iron well lid is the casting iron well lid of feedwater, drainage inspection well, or the casting iron well lid of communication cable inspection-pit, and majority does not possess thief-proof and prevents that the pedestrian from dropping into the function of use in the well.Therefore it is stolen well lid to take place repeatedly, and the contingency in pedestrian or the foreign matter back drop causes the heavy losses and the personal accident of national wealth.For this reason, design and a kind ofly have thief-proof and dropproof well lid, and manufacturability, industrial applicibility well lid good and that made by traditional material are very necessary.

(3) summary of the invention

The utility model purpose is to disclose a kind ofly antitheftly anti-to fall casting iron well lid, and well lid and well seat are hinged, and is opening and closure state all is connected as a single entity, and both has been convenient to unlatching, is difficult for again losing.Also be hinged with the latticed safety net that can seal well head automatically below the well lid of well seat, safe square arranged on well head after well lid is opened, pedestrian's easy access, and do not influence and ventilate and printing opacity can prevent that people or other foreign matter from dropping in the well and the generation accident.

The utility model is made up of well seat 1, well lid 2 and safety net 3, and the upper surface that it is characterized in that well seat 1 inner edge has a casting iron well lid 2 that can be fastened in the inner edge with its upper surface flush.Casting iron well lid and well seat are hinged.The bottom of well seat 1 inner edge have one with hinged the be fastened on well seat inner edge of well seat below network-like safety net 3.

(4) description of drawings

Fig. 1 is the utility model plan view.

Fig. 2 is the A-A sectional drawing of Fig. 1.

Fig. 3 is the safety net plan view.

(5) specific embodiments

The utility model with reference to the whole nation generally give, the design of standard of drainage atlas, material is selected cast iron for use, is assembled into one when entire infrastructure dispatches from the factory, and is convenient to install.Be convenient to feed water, the matching operation of all kinds of municipal administrations of draining communication cable and building installation engineering.Good manufacturability, opening and closing flexibly, installation in position is in closed condition, and pedestrian and vehicle safety are current.When needs underground work, only need the operating personnel that well lid and safety net are opened and can descend well operations, because safety net is provided with automatic reset device, operating personnel's back safety net of going into the well can automatically reset, be in the security protection state.Thereby do not establishing under the personnel protection situation, can play the effect of protection pedestrian and operating personnel's safety.

Claims

1. antitheft anti-casting iron well lid that falls, form by well seat (1), well lid (2) and shape safety net (3), the upper surface that it is characterized in that well seat (1) inner edge has a casting iron well lid (2) that can be fastened in the inner edge with its upper surface flush, and casting iron well lid and well seat are hinged; Network-like safety net (3) with hinged the be fastened on well seat inner edge below of well seat is arranged in the bottom of well seat (1) inner edge.