CN2427555Y - Safety screen type manhole cover for preventing persons from falling down - Google Patents

Abstract

The utility model relates to a safety screen type manhole ring for preventing persons from falling down used for an underground pipeline, an underground line, and a sewer. The utility model is characterized in that the inner wall of a manhole ring 1 is provided with a plurality of connecting seats 2, each connecting seat is hinged with a guard rod 4 through a pin shaft 3, the end part of the connecting end of the guard rod is extended to the bottom of the manhole ring, and a plurality of the guard rods are flatly arranged to form a guard fence. The utility model can cause that the casualty accident caused by that a pedestrian falls into a manhole can be effectively prevented under the condition that a manhole cover is stolen or is not covered because of other various reasons. Compared with an existing manhole ring, the utility model has the characteristics of simple structure, high safety, good guard property, easy application, etc.

Description

Can prevent the safety type walling crib of falling stop well accident

The utility model relates to the walling crib that a kind of underground pipeline, underground line and sewer are used, and particularly relates to a kind of safety type walling crib of preventing falling stop well accident.

The well lid that the manhole of existing underground pipeline, underground line and sewer is used all is directly to be positioned on the walling crib, thereby be easy to be walked or rolled and be shifted by vehicle by the key robbery, when well lid stolen or remove after fail in time to cover, just be easy to cause the pedestrian, particularly children fall well and produce casualty accident, for a long time, this type of accident happens occasionally, but is not controlled effectively.For this reason, someone has proposed the scheme that solves, a kind of " anti-theft security cellar for storing things well lid " disclosed as utility model patent 95208674, it is that well lid, walling crib are fused and play antitheft effect, because its well lid can not become 180 ° of angles with ground when opening, and well lid and walling crib fuse, thereby have well lid problem such as inconvenient maintenance after damage, and if can not on-call maintenance change and cause potential safety hazard can for vehicle and pedestrian.

It is a kind of stolen or because of other a variety of causes does not cover under the well lid situation at well lid that the purpose of this utility model is to provide, and can prevent effectively that the pedestrian from falling well and the safety type walling crib of the falling stop the prevented well accident of casualty accident takes place.

For achieving the above object, the utility model provides a kind of safety type walling crib of preventing falling stop well accident, the feature of this walling crib is to be provided with a plurality of Connection Blocks 2 on walling crib 1 inwall, be hinged with protection rod 4 by bearing pin 3 on each Connection Block, protection is held in both hands the link end and is extended to the walling crib bottom, and a plurality of protection rods form grille when horizontal.

As seen from the above technical solution, because the utility model is provided with a plurality of protection rods along the walling crib circumference, these protection rods are the level of state when non-inspecting state, forming a palisade supports, can effectively prevent the fall generation of well accident of pedestrian, particularly children, thoroughly stop black well casualty accident.Because protection rod flexibly connects with walling crib, thereby when maintenance, can upwards turn up again, to make things convenient for maintainer's maintenance of going into the well.Compare with existing walling crib, the utlity model has simple structure, characteristics such as safety is good, and is easy to implement.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the utility model overall structure schematic perspective view.

Fig. 2 is the utility model partial schematic sectional view.

Consult Fig. 1, Fig. 2, walling crib 1 of the present utility model is metal step-like annular walling crib, is arranged at intervals with a plurality of Connection Blocks 2 on the walling crib inwall, is arranged at intervals with six Connection Blocks along the walling crib inwall in this example, this Connection Block is in the form of slot and inwardly protrude out, it can with the walling crib cast solid.Respectively be hinged with a metal protection rod 4 by bearing pin 3 on each Connection Block, this protection rod can the side of being, also can be round, and the hinged end end of protection rod extends out to walling crib bottom stage place, and it is blocked when level bottom walling crib.The protection rod is in the horizontal state at ordinary times, each protection rod radially stretches to the walling crib center along walling crib, forms the grille that is fan-shaped array, makes also can not fall into well even the pedestrian steps on sky, thereby can guarantee pedestrains safety under the stolen situation of well lid.When facility need overhaul in well, the protection rod can upwards be turned up 90 °, and the maintainer can be descended in the well.

Claims (1)

1, the safety type walling crib of the falling stop the prevented well accident used of a kind of underground pipeline, underground line and sewer, it is characterized in that, on walling crib (1) inwall, be provided with a plurality of Connection Blocks (2), be hinged with protection rod (4) by bearing pin (3) on each Connection Block, protection is held in both hands the link end and is extended to the walling crib bottom, and a plurality of protection rods form grille when horizontal.