CN2175332Y

CN2175332Y - Water valve

Info

Publication number: CN2175332Y
Application number: CN 93237812
Authority: CN
Inventors: 阮鸿雁; 毛依星
Original assignee: MAO TONGSHOU
Current assignee: MAO TONGSHOU
Priority date: 1993-10-20
Filing date: 1993-10-20
Publication date: 1994-08-24
Anticipated expiration: 2003-10-20

Abstract

The utility model relates to a water valve whose valve body adopts a two-stage pilot valve in a diaphragm type. The pilot valve adopts a lift-press type structure or a shifting-rod type structure, etc. The utility model has the advantages rapid and convenient operation, simple structure, low manufacture cost and novel appearance. The utility model is suitable for the family, the guest house and the public place.

Description

Water valve

The utility model relates to a kind of valve type device.

Water tap is extensive use of for people.The water tap of present domestic use, class height no matter all adopts and revolves the switching of, swing handle being controlled water tap, and the valve in the corresponding water tap adopts gate valve or rotary valve structure, though simple in structure, steering force is bigger, and is prone to phenomenon such as leak.External more a kind of pole poked type water tap that used, its valve is a ball-valve structure, though operation is spryr and light fast, the valve manufacture difficulty is big, the cost height.

The purpose of this utility model just is to overcome the deficiency in the above-mentioned background technology, provide a kind of operate spry and light quick and simple in structure, be easy to make, water tap that reliability is high.

The purpose of this utility model realizes by following measure: a kind of water tap, comprise housing, valve, water outlet, water inlet tube chamber and water outlet tube chamber, wherein said valve is a secondary pilot valve structure, it is made up of a diaphragm type main valve and a manual pilot valve, tube chamber and water outlet tube chamber are isolated and form a back pressure cavity between top and housing to have a flexible sheet to intake in the said diaphragm type main valve, be pressed with an elastic element on the said flexible sheet, said back pressure cavity communicates with water inlet tube chamber and pilot valve by passage respectively, and another mouth of pipe of pilot valve communicates with the water outlet tube chamber.

Compare with background technique, the utlity model has following advantage: because valve adopts secondary pilot valve structure, as long as using the switching of very little power control pilot valve is the switching of may command water tap, and adopt the diaphragm type main valve, be easy to guarantee that the structure for water tap that designs is simple, easy to process, operational reliability is high, thus the water tap that provides of the utility model operate spry and light quick and simple in structure, be easy to make, the reliability height.

Below in conjunction with embodiment's (accompanying drawing) the utility model is further described.

Fig. 1 is the utility model embodiment one a structural profile plan view.

Fig. 2 is the utility model embodiment two a structural profile plan view.

Fig. 3 is the utility model embodiment three a structural profile plan view.

Embodiment one:

In the present embodiment, whole water tap comprises housing 1, valve, water outlet 2, water inlet tube chamber 3 and water outlet tube chamber 4, wherein valve is a secondary pilot valve structure, adopt a diaphragm type main valve and a manual pilot valve 5 to form, tube chamber and water outlet tube chamber are isolated and form a back pressure cavity 7 between top and housing to have a flexible sheet 6 to intake in the diaphragm type main valve, back pressure cavity communicates with water inlet tube chamber and pilot valve by

passage

8,9 respectively, and another mouth of pipe 18 of pilot valve communicates with the water outlet tube chamber.Like this, in use, when pilot valve is ended, current enter back pressure cavity from passage 8, and the back pressure above the diaphragm is greater than following malleation (being caused by compression face product moment up and down), thereby diaphragm is pressed on and makes water tap be in closed condition on the valve port, when pilot valve is opened, thereby the current in the back pressure cavity enter the water outlet tube chamber through pilot valve reduces the pressure in the back pressure cavity, and diaphragm is risen by the effect of following malleation, thereby water tap is opened.In experiment, find, (be generally less than 1 kilograms per centimeter when hydraulic pressure is very little ²) time, the back pressure that is provided in the back pressure cavity also deficiency so that pressing diaphragm tightly on valve port, at this moment water tap is prone to water leakage phenomenon, for solving it, the utility model is provided with the suitable elastic element 13 of an elasticity on diaphragm, this elastic element can adopt the elastic element of a cylindrically coiled spring or a conical helical spring or a thin slice leaf spring or other form, present embodiment adopts a cylindrically coiled spring, consider from operation convenience, the structure of pilot valve can adopt press type structure (present embodiment employing) or spiral gate valve structure (embodiment two adopts) or pole poked type structure (embodiment three adopts), the position of pilot valve can be arranged on the position of water outlet position or diaphragm type main valve or other any position of water tap according to the needs of structure and profile, present embodiment is the top that pilot valve is arranged on the water outlet 2 of water tap, pilot valve then is communicated with by a flexible pipe 17 with back pressure cavity, flexible pipe can adopt a purple steel pipe, employing embedding in advance technological method setting when shell cast also is designed to water outlet the double-disk structure and makes it have the function of regulating water flow in the present embodiment.Above-mentioned concrete structure is as follows:

Present embodiment adopts from the mode of bottom water inlet, housing 1 is designed to two-part, be upper shell 10 and lower shell body 11, lower shell body is hollow tubular, and be vertically mounted on by scyewed joint 12 in the rear portion tube chamber of upper shell, flexible sheet 6 has by circumference and portals 21 sleeve 19 and convex shoulder 20 sealing and fixing on the lower shell body in the tube chamber of upper shell and be pressed on the top mouth of pipe of lower shell body 11, form back pressure cavity between flexible sheet and the upper shell, the aperture of the centre of flexible sheet is as the passage 8 of back pressure cavity with the water inlet tube chamber; Water outlet 2 comprise one fixedly mouth sheet 14 and one can with the fixing movable in relative rotation mouth sheet 15 of mouth sheet, fixedly have identical shaped, big or small osculum 16 on mouth sheet and the movable mouth sheet, fixedly the mouth sheet is fixed on the housing, but movable mouth sheet hand rotation, thereby rotation activity mouth sheet makes the osculum on the two mouth sheets that dislocation can regulate water flow take place like this; Pilot valve adopts the press type structure, be arranged on the top of the water outlet of water tap, main component 22 structures adopt the structure (outline) of existing widely used a kind of press type ballpoint pen, also comprise pressure head 24, valve head 23, return spring 25 in the pilot valve, press dynamic head 24 once, valve head moves down and stops, at this moment pilot valve is in opening state, press dynamic head 24 more once, valve head rises under the effect of return spring 25 and compresses valve port, at this moment pilot valve is closed, and only needs when therefore using by dynamic head 24 water tap is opened or closed gently.

Present embodiment is specially adapted to the water tap (washbasin pond water tap) that the water source enters from the bottom, and it is spry and light fast, simple in structure to have an operation, the characteristics of reliability height and modern design grace.

Embodiment two:

Present embodiment and embodiment's one structure difference are: pilot valve adopts a spiral gate valve structure and is arranged on the top of diaphragm type main valve, and water outlet is the general expression water faucet structure.Pilot valve communicates with back pressure cavity, water outlet tube chamber respectively by

passage

9,26, and the turn handle opens and closes pilot valve and can make the water tap switching during operation.Do not adopt the double-disk water outlet among the embodiment one to regulate water flow in the present embodiment, its reason is that the guide of this structure closes the effect that itself can have the adjusting flow, be described as follows: manually rotate pilot valve, gate moves up and down and makes valve port be in different open amounts, at this moment the current in the back pressure cavity flow out through this valve port, pressure in the back pressure cavity will reduce or reduce to increase with the increase of the open amount of this valve, flexible sheet moves under the effect of pressure reduction, but because the existence of spring 13, the amount of moving will increase with the reduction of the pressure in the back pressure cavity or reduce with the increase of the pressure in the back pressure cavity on the diaphragm, that is to say, the open amount of diaphragm type main valve and the open amount of pilot valve are proportional, thereby in the present embodiment, we can control the water flow of water tap by the curl size of handle of rotation pilot valve.

Identical with the existing rotary handle type water tap that uses and have spryr and light characteristics fast of operation, the rotary handle type water tap of the alternative existing various uses of using of present embodiment because of operating habit.

Embodiment three:

What the structure that the same two embodiments adopt was different is: present embodiment has adopted the pilot valve of pole poked type structure, consider the moulding factor, the pole poked type pilot valve is arranged on the top (structure outline) of diaphragm type main valve, thereby turning lever head 27 makes pilot valve open and close the switching of control water tap during operation, and flow still adopts embodiment one double-disk water outlet to regulate.

The characteristics of present embodiment are with embodiment one.

Claims

1, a kind of water tap, comprise housing (1), valve, water outlet (2), water inlet tube chamber (3) and water outlet tube chamber (4), it is characterized in that: said valve is a secondary pilot valve structure, it is made up of a diaphragm type main valve and a manual pilot valve (5), tube chamber and water outlet tube chamber are isolated and form a back pressure cavity (7) between top and housing to have a flexible sheet (6) to intake in the said diaphragm type main valve, be pressed with an elastic element (13) on the said flexible sheet, said back pressure cavity is respectively by passage (8), (9) communicate with water inlet tube chamber and pilot valve, another mouth of pipe of pilot valve communicates with the water outlet tube chamber.

2, water tap according to claim 1, it is characterized in that: said housing (1) is made up of upper shell (10) and lower shell body (11), lower shell body is hollow tubular and is vertically mounted in the rear portion tube chamber of upper shell by scyewed joint (12), said flexible sheet (6) sealing and fixing is in the tube chamber of upper shell and be pressed on the top mouth of pipe of lower shell body formation said back pressure cavity (7) between flexible sheet and the upper shell.

3, water tap according to claim 1 is characterized in that: said elastic element (13) is a cylindrically coiled spring or a conical helical spring or a thin slice leaf spring.

4, water tap according to claim 1 is characterized in that: said manual pilot valve (5) is a press type structure or a spiral gate valve structure or a dead man formula structure.

5, water tap according to claim 1, it is characterized in that: said water outlet (2) comprise one fixedly mouth sheet (14) and one can with the fixing movable in relative rotation mouth sheet of mouth sheet (15), fixedly have identical shaped, big or small osculum (16) on mouth sheet and the movable mouth sheet.

6, according to claim 1,2,3,4,5 described water taps, it is characterized in that: said pilot valve (5) is positioned at the top of water outlet, and pilot valve communicates with said back pressure cavity (7) by a flexible pipe (17).

7, according to claim 1,2,3,4,5 described water taps, it is characterized in that: said pilot valve (5) is positioned at the top of diaphragm type main valve.