CN2782770Y

CN2782770Y - Warning safety net for manhole

Info

Publication number: CN2782770Y
Application number: CNU200520020761XU
Authority: CN
Inventors: 张英树
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-30
Filing date: 2005-04-30
Publication date: 2006-05-24
Anticipated expiration: 2015-04-30

Abstract

The utility model discloses a warning safety net for a manhole, which does not alter the structure of the original manhole cover and is directly arranged on a rabbet of the manhole. The utility model has the advantages of simple structure and convenient installation. The warning safety net for a manhole comprises a frame, a warning board and a safety net, wherein the frame forms a circular ring shape. An edge is formed in the mode that an upper port of the circumference of the frame is outwards folded for 90 DEG, a shaft is arranged in the middle of the frame. The warning board is arranged on the shaft on which a torsion spring is arranged, and both surfaces of the warning board are provided with noctilucent alarm symbols. Through holes are uniformly distributed on the circumference of the lower end of the frame, and the safety net is connected with the frame through the through holes. Once the manhole cover is lost, the warning board can be vertical under the action of the spring to give signals of obvious danger marks to people. Once people fall into a well with carelessness, the safety net which is arranged on the frame can support people, which leads pedestrians not to be injured because of tumble.

Description

Following well warning safe net

Technical field

The utility model relates to the warning safe net that a kind of sewer well lid is provided with below.

Background technology

Urban road is provided with many wells down, and well lid often has the phenomenon of losing or damaging, and the incident of hurting sb.'s feelings happens occasionally.Though urban construction administrative department has taked some measures necessary, but still be difficult to stop.Especially have big water gaging to cover or the black situation in road at night under, passerby is difficult to escape by luck especially, in case fall in the well, except that bodily injury, has also caused great injury for the wounded's spirit.And some anti-manhole covers of inventing earlier again generally all are that the structure of existing well lid is improved, and structure is complicated, the cost height; Change municipal sector burden greatlyyer fully, be not easy to implement.

The utility model content

The purpose of this utility model is to provide a kind of down well warning safe net, well lid lose or damage after can in time give caution, do not have well lid not cause passerby to fall in the well yet.

The utility model is to design on the basis that does not change original well lid, well warning safe net comprises framework, warning sign and safety net under the utility model, it is characterized in that: framework is annular, circumference outside folding suitable for reading has 90 ° limit, an axle is set in the middle of the framework, warning sign is arranged on the axle, and axle is provided with torsionspring; The two-sided caution symbol that has noctilucence of warning sign, framework lower end circumference uniform distribution is provided with through hole, and safety net is connected on the framework by the hole.

The annular framework of the utility model band flanging is just as packing ring, be arranged on down well mouth place, below well lid, in case well lid is lost, warning sign can uprightly rise under the effect of torsionspring, gives the signal of obvious danger signal, in case fall in the well accidentally, the safety net that is provided with on the framework can be held the people, is unlikely tumble injury passerby.The utility model can not change the structure of existing well lid, and being set directly at down, the well stop portion gets final product.Simple in structure, easy for installation.

Description of drawings

Fig. 1 and Fig. 2 are respectively the front view and the vertical views of well warning safe net under the utility model.

The specific embodiment

As shown in Figure 1, the utility model comprises framework 2, warning sign 1 and safety net 3, and framework is annular, and circumference outside folding suitable for reading has 90 ° limit, and an axle is set in the middle of the framework, and warning sign is arranged on the axle 5, and axle is provided with torsionspring 4; Warning sign is the two-sided triangle brand that has noctilucence caution symbol, and warning sign is provided with tightrope 6 and is connected with framework, and framework lower end circumference uniform distribution is provided with through hole 7, and safety net is connected on the framework by the hole.Safety net adopts nylon material, is difficult for losing.

When well lid covered, because of the utility model safety net is arranged on below the well lid, warning sign spring pressurized made warning sign be in level.Taken away when well lid, lose or fragmentation, warning sign uprightly rises under the effect of spring, stands on well head central authorities.The safety net of the utility model setting is also held the passerby in the careless back drop, is avoiding the injured danger that disables of passerby greatly.

Claims

1, a kind of well warning safe net down comprises framework (2), warning sign (1) and safety net (3), and it is characterized in that: framework is annular, circumference outside folding suitable for reading has 90 ° limit, an axle is set in the middle of the framework, and warning sign is arranged on the axle (5), and axle is provided with torsionspring (4); The uniform through hole (7) that is provided with around the two-sided caution symbol that has noctilucence of warning sign, framework lower end, safety net is connected on the framework by the hole.