CN2568888Y

CN2568888Y - Safety running water valve

Info

Publication number: CN2568888Y
Application number: CN 02253656
Authority: CN
Inventors: 李婧
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-13
Filing date: 2002-09-13
Publication date: 2003-08-27
Anticipated expiration: 2012-09-13

Abstract

The utility model relates to a running water valve, particularly a safety running water valve which can be automatically turned off when the valve is forgotten to be turned off after a water failure. The safety running water valve is composed of a valve body, a valve bolt and a floater, wherein, a valve cavity is divided by a member of the valve body into a main cavity and a water ingress bypass. The floater is arranged in the main cavity. The upper part of the main cavity is higher than the water inlet for the length of the floater, and the lower part of the main cavity is provided with a water sealing base which corresponds to the floater. The water ingress by pass is provided with a normal closed valve cock. Since the valve is provided with only one floater which is used for seal and as a resetting part, and the seal is completely realized by means of water pressure, the utility model has the advantages of simple structure, agile and convenient reset, compact structure, small size and low cost.

Description

The safety type running water valve

Technical field:

The utility model relates to running water valve, the safety type running water valve that can close automatically when forgetting closing valve behind particularly a kind of the cutting off the water.

Background technique:

The known tap water pipe line automatic shutoff valve door that is used for, though it is of a great variety, but its plugging mechanism adopts the structure of similar float substantially, mechanical return, disclose a kind of tap water automatic closing-water valve as Chinese patent 99222833, its plugging mechanism employing connecting rod adds the mechanical return structure of piston, obviously complex structure, valve volume is big, the manufacture cost height.

Summary of the invention:

The purpose of this utility model provide a kind of single float rely on the hydraulic pressure shutoff fully and reset, safety type running water valve simple in structure, flexible and convenient to use.

The technological scheme that realizes the foregoing invention purpose is: this valve is made up of valve body, valve cock, float, valve pocket is separated into main chamber and water inlet bypass by the valve body member that is positioned at it, be provided with float in this main chamber, top, main chamber exceeds the distance of a float of water intake at least, the water shutoff base corresponding with this float is equipped with in the bottom, in this water inlet bypass the normally close valve keeper is housed.

The safety type running water valve of realizing according to this technological scheme, compared with prior art, because of its shutoff and reset components only have one of float, and rely on hydraulic pressure to realize that so simple in structure, it is flexible to reset fully, the valve body structure compactness, volume is little, low cost of manufacture.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Embodiment:

Provide a specific embodiment of the present utility model below in conjunction with accompanying drawing.The described safety type running water valve of this embodiment is made up of valve body 1, valve cock 2, water outlet 3, water shutoff base 4, valve body member 5, water inlet bypass 6, normally close valve keeper 7, water intake 8, main valve chamber 9, float 10.Valve pocket is separated into main chamber 9 and water inlet bypass 6 by the valve body member 5 that is positioned at it, be provided with float 10 in this

main chamber

9,9 tops, main chamber exceed the distance of 8 one floats of water intake at least, the water shutoff base 4 corresponding with this float 10 is equipped with in the bottom, in this water inlet bypass 6 normally close valve keeper 7 is housed, valve cock 2 is loaded on water outlet 3 one ends.

The working principle of this safety type running water valve is as follows:

During normal the use: because buoyancy of water, float 10 will be in the top (both having made in the water utilizing process also can not fall) of main valve chamber 9.

The back cuts off the water: if valve cock 2 is not closed, water in the valve pocket will all flow out, float 10 falls naturally, seal water shutoff base mouth 4, float 10 upper portion pressurized power are very big when coming water, and the bottom only is subjected to atmospheric pressure, so float 10 upper and lower pressure differences are bigger, to seal water shutoff base mouth 4 inflexibly, water will be closed, to realize the security insurance effect.

Recover to use: after coming water, if valve cock 2 is in open mode, as mentioned above, then float 10 will be sealed water shutoff base mouth 4 automatically water will be closed, during water, only need valve cock 2 is closed, normally close valve keeper 7 opened moments later closed, this moment, float 10 upper and lower pressure equated, float 10 is floated to the top of main valve chamber 9, then recover normal and use.Come to be in closed condition as if valve cock 2 behind the water, then normally use.

Claims

1, a kind of safety type running water valve, comprise valve body, valve cock, it is characterized in that valve pocket is separated into main chamber and water inlet bypass by the valve body member that is positioned at it, be provided with float in this main chamber, top, main chamber exceeds the distance of a float of water intake at least, the water shutoff base corresponding with this float is equipped with in the bottom, in this water inlet bypass the normally close valve keeper is housed.