CN2190196Y - Automatically shut tap - Google Patents

Abstract

The utility model relates to a water tap which can be automatically closed when the water supply is cut off. In the utility model, on the basis of the existing water tap structure, a set of automatic closing device when the water supply is cut off. When the water supply is cut off, and the water is supplied again, the water tap can be normally use by turning a handle (1) into a closed state to enable the automatic closing device to be opened (positioned). The utility model which has the advantages of convenient operation and reliable performance is suitable for public places that water supplies are often cut off and families.

Description

Automatically shut tap

The utility model relates to the pipeline fittings in a kind of architectural hardware, particularly about a kind of water-stopping self-closing, prevents the water tap of metalling run out.

At present general water tap is by the manpower switch.When cutting off the water, do not close water tap because of various reasons, when coming water again, gently then metal run out in a large number, the casual room of heavy then water causes any property loss.For addressing this problem, usefully close by spring force, make water tap by the switch of lever augmented unlatching, though this switch has self-closing function, when discharging water, must press switch, and the water flow size is wayward with manpower; The construction of switch of also useful increase water-stopping self-closing device (number of patent application 91210349.3), the sealing of this structure is difficult for guaranteeing, the steering force size that water-stopping self-closing is opened later on again directly is subjected to the influence by the hydraulic pressure size of switch, if hydraulic pressure is big, open just difficulty, and need below switch, to operate, use inconvenient.

The purpose of this utility model is will provide a kind of general water tap is carried out improvedly can realizing the water-stopping self-closing function, switch regulating water-quantity size and reopen self-closing device and only need operate the same handle, and steering force size and general water tap the same water tap substantially.Its back water tap that can prevent from effectively to cut off the water is not closed, when coming water again and metalling run out of taking place, and also easy and simple to handle, sealing is reliable.

The purpose of this utility model is to realize like this, based on the existing general structure for water tap that can only lean on manpower switch and regulating water-quantity, increase the water-stopping self-closing device of a cover in the upstream of leader shell valve seat with the coaxial position of former valve rod by spring reset, the valve seat of this device still is made on the procapsid, and the cut-off type sealing is adopted in sealing.In design, guarantee that the spool of former spool (title main valve plug) and self-closing device can not closed runner simultaneously, promptly when two spools withstood, the distance between their sealing surface should be slightly larger than the distance between respective valve seat.Like this, when cutting off the water, if main valve plug is not closed, the spool of water-stopping self-closing device is just closed runner automatically, and when coming water again, under hydraulic action, this spool is just closed tightlyer.In this case, open water tap, only need precession handle again, close main valve plug.In fact when main valve plug is closed, the spool that has guaranteed self-closing device on the structure is pushed up from little displacement of its valve seat, has the water of pressure to enter the spool epicoele, under hydraulic action, this spool complete opening also remains on opening state, and this process was finished in moment certainly.Afterwards, just can arbitrarily open and close, regulate this tap.When cutting off the water, if main valve plug is closed, then between the spool of self-closing device and its respective valve seat one small distance must be arranged, when coming water again, the action of this device and aforementioned corresponding actions are just the same.Handle spiral rotary structure is still adopted in the keying of the utility model main valve plug.

The utility model because only need do suitably to revise to the housing of general water tap, the relative side of valve seat increase by one with the valve seat of former valve seat symmetry, increase the simple water-stopping self-closing device of a cover simultaneously, this device adopts the cut-off type sealing, and the unlatching of this device only need be operated former handle and gets final product, so structure and manufacturing process are fairly simple, seal reliable, easy and simple to handle, laborsaving.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Below in conjunction with details and the working condition of accompanying drawing detailed description according to the concrete structure that the utility model proposes.

The current that the utility model is made of valve body (14) and handle (1), valve rod (2), Gland (3), stuffing box packing (4), valve gap (5), gasket seal (6) and (9), turnbuckle (7), main valve plug (8) are regulated part and spool (10), seal ring (11), plug (12), Returnning spring (13), several parts compositions such as the water-stopping self-closing device that other one group of gasket seal (6) and (9) constitute.Seal ring (11) is contained on the spool (10), and plug (12) plays spring seat simultaneously.The utility model requires the spool (10) of self-closing device and main valve plug (8) to comprise that gasket seal separately withstands on a time-out, can not touch valve seat separately simultaneously.

When cutting off the water, if handle (1) is in opening state, self-closing device is just in cutout road, effect ShiShimonoseki of Returnning spring (13).When coming water again, this device can not be unlocked, and on the contrary, also can close tightlyer under hydraulic action.Opening water tap if desired discharges water, as long as first precession handle (1) is to closed condition, at this moment, spool (10) and corresponding gasket seal are pushed up from little displacement of its valve seat by main valve plug (8), water enters spool (10) epicoele, and self-closing device by complete opening, and remains on the complete opening state under hydraulic action, just can arbitrarily open and close afterwards, regulate this tap.When cutting off the water, if handle (1) has been in closed condition, then spool (10) and corresponding gasket seal are withstood by main valve plug (8), form a little gap with its valve base chamber, and when coming water again, situation and aforementioned respective process are just the same.

Seal ring (11) can adopt O shape circle, also can adopt Y shape circle.

The utility model is simple in structure, and good manufacturability is easy and simple to handle, the public place and the family expenses in the suitable area that often cuts off the water.

Claims (3)

1, a kind of water tap of cutting off the water and to close automatically, be on the basis of existing general structure for water tap, to increase by a cover water-stopping self-closing device, the spool (10) that it is characterized in that this water-stopping self-closing device and main valve plug (8) are when withstanding, distance between their sealing surface should be slightly larger than the distance between respective valve seat, and sprue adopts the sealing of cut-off type gasket seal.

2, water tap according to claim 1, it is characterized in that the water-stopping self-closing device by spool (10) be contained in the gasket seal (9) above it and be contained in the plug (12) that plays the spring seat effect below them simultaneously, the seal ring (11) and the gasket seal (6) that are contained on the spool (10) are formed.

3, water tap according to claim 2 is characterized in that seal ring (11) adopts O shape circle or Y shape circle.

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