CN201137734Y

CN201137734Y - Self-closing blocking-proof water tap

Info

Publication number: CN201137734Y
Application number: CNU2007201828734U
Authority: CN
Inventors: 裘苗全; 赵德先
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-30
Filing date: 2007-10-30
Publication date: 2008-10-22
Anticipated expiration: 2017-10-30

Abstract

The utility model relates to a self-closing anti-blocking water tap which is suitable for vulnerable groups such as the aged and children to use with littler opening force and simultaneously does not need opening a tap to dredge a water supplement little hole after the water tap is used for long time. The water tap comprises a tee valve body 1, wherein a valve core assembly is installed in the valve body 1, the valve core assembly separates the inside of the valve body 1 into a water inlet cavity A, a water outlet cavity B and a control cavity C, the valve core assembly is composed of a middle cushion ring 2, a piston 3, a cylinder sleeve 4, a spring 5, a valve rod 8, a small O-shaped ring 9, a big ring 10, a small ring 11, a big O-shaped ring 13 and the like, wherein a needle-shaped anti-blocking needle 12 is arranged on the top of the low end of the valve rod 8, and the lower end of the anti-blocking needle 12 enters the water supplement little hole on the lower portion of the piston 3. Since the self-closing anti-blocking water tap only needs pressing downwards to overcome the frictional force of the O-shaped ring 9 and the tensile force of the spring 5 when the water tap is opened, thereby, the utility model has the advantages of easy opening and labor saving, since the needle-shaped anti-blocking needle 12 is arranged on the top of the low end of the valve rod 8, once the water tap is opened, the anti-blocking needle 12 can move upwards and downwards to dredge the water supplement little hole once, thereby, and even the water tap is used for long time, the water tap is not needed to be opened to dredge the water supplement little hole, which brings great convenience for the use of the vulnerable groups such as the aged and the children.

Description

Self-closed anti-blocking water faucet

One, technical field

The utility model relates to the water conserving tap in the daily life, specifically self-closed anti-blocking water faucet.

Two, background technique

Be the using water wisely of response government, set up the call of a water-saving society, a few months ago, I have just declared and a kind ofly have been applicable to public situation, can suitable water output be set according to water supply condition, and handle can be washed by tap water and self-cleaning in the using process of tap, thereby exempts the self-cleaning quantitative water supply tap that the user is given in germ superinfection on the handle.But the application of force big (requiring the user upwards to clap or a holder handgrip just can be opened) when this kind water tap is opened, the use of not too suitable old man children disadvantaged group; In addition, tap in use, when the tap water in the water-inlet cavity constantly flows into control chamber by the moisturizing aperture, because the small amount of impurities in the water can be adsorbed on the aperture sidewall after long-term the use at leisure, cause flow area to reduce to cause at last aperture to stop up fully gradually, thereby tap prolong thereupon occurs water tap at last and close not dead phenomenon the shut-in time.Therefore at the appropriate time, need user or the maintenance man tap of fetching boiling water to dredge less than the metal needle of moisturizing aperture, make it to recover normally with a diameter.

Three, summary of the invention

The utility model technical issues that need to address provide the very little while of opening force that a kind of suitable old man children disadvantaged group use and need not to open the self-closed anti-blocking water faucet that tap is dredged the moisturizing aperture after long-term the uses.

The technological scheme of the utility model self-closed anti-blocking water faucet is: it comprises three way valve (1), valve body is equipped with Spool assembly in (1), Spool assembly is by middle washer (2), piston (3), cylinder sleeve (4), spring (5), valve rod (8), little O type circle (9), large washer (10), small washer (11), big O type circle (13) is formed; Spool assembly is isolated into water-inlet cavity (A) to valve body (1) inner chamber, water chamber (B), control chamber (C); It is characterized in that valve rod (8) top, lower end is provided with the anti-blocking pin of a needle-like (12), anti-blocking pin (12) lower end enters in the moisturizing aperture of piston (3) below; Valve rod (8) middle part is shaped on a step, and small washer (11) is equipped with on the plane on the step, and the step lower plane contacts with spring (5) upper-end surface, and spring (5) lower end surface contacts with piston (3) endoporus bottom plane; Piston (3) middle part outer surface is shaped on a groove, groove is embedded with big O type circle (13), and middle washer (2) is equipped with in the bottom; Middle washer (2) lower plane contacts with the sealing valve line at valve body (1) primary valve top.Be shaped on the sealing valve line below the through hole of cylinder sleeve (4) upper end.Cylinder sleeve (4) outer side wall is shaped on some grooves, and groove communicates with cylinder sleeve (4) inner chamber.

The utility model self-closed anti-blocking water faucet is because only need the downward application of force overcome the frictional force of little O type circle 9 and the tension force of spring 5 when opening water tap, therefore have open easily, the labour-saving advantage; Again because top, valve rod 8 lower end is provided with the anti-blocking pin 12 of a needle-like, the once anti-blocking pin 12 of every unlatching water tap just moves up and down mediation moisturizing aperture once, therefore the utility model self-closed anti-blocking water faucet need not to open tap mediation moisturizing aperture after long-term the use, has been with great facility for the use of old man children disadvantaged group.

Four, description of drawings

Fig. 1 is the structural representation of the utility model self-closed anti-blocking water faucet:

Among the figure: 1, valve body; 2, middle washer; 3, piston; 4, cylinder sleeve; 5, spring; 6, valve gap; 7, button; 8, valve rod; 9, little O type circle; 10, large washer; 11, small washer; 12, anti-blocking pin; 13, big O type circle; A, water-inlet cavity; B, water chamber; C, control chamber.

Fig. 1 explanation: the utility model self-closed anti-blocking water faucet comprises triple-valve body 1, in the valve body 1 spool is housed Assembly, Spool assembly is valve body 1 internal insulation intake antrum A, water chamber B, control chamber C; Spool assembly By middle washer 2, piston 3, cylinder sleeve 4, spring 5, valve rod 8, little O type circle 9, large washer 10, small washer 11, big O type circle 13 forms.

Five, embodiment

Concrete enforcement below in conjunction with 1 pair of the utility model self-closed anti-blocking water faucet of accompanying drawing is described further:

1. installation steps: at first by middle washer 2, piston 3, cylinder sleeve 4, spring 5, the top, lower end is provided with the valve rod 8 (anti-blocking pin 12 lower ends enter in the moisturizing aperture of piston 3 belows) of the anti-blocking pin 12 of a needle-like, top, valve rod 8 lower end is provided with the anti-blocking pin 12 of a needle-like, and anti-blocking pin 12 lower ends enter in the moisturizing aperture of piston 3 belows; Valve rod 8 middle parts are shaped on a step, small washer 11 (because the effect of spring 5 tension force is equipped with on the plane on the step, the last plane of small washer 11 contacts with sealing valve line below cylinder sleeve 4 through holes at ordinary times), the step lower plane contacts with spring 5 upper-end surfaces, spring 5 lower end surfaces contact with piston 3 endoporus bottom planes, piston 3 middle part outer surfaces are shaped on a groove, and groove is embedded with big O type circle 13, piston 3 lower ends are fastening middle washer 2.When water tap was in closed condition, middle washer 2 lower planes contacted with the valve line of water tap main valve.Cylinder sleeve 4 outer side walls are shaped on some grooves, and groove communicates with cylinder sleeve 4 inner chambers; Valve gap 6 center holes are passed on valve rod 8 tops, and valve gap 6 is fastened on valve body 1 upper end, and the top of valve rod 8 is screwed with button 7.Little O type circle 9, large washer 10, small washer 11, the Spool assembly that big O type circle 13 is formed is put in the inner chamber of valve body 1 from top to bottom, makes valve rod 8 pass the upper end that valve gap 6 is tightened in behind the center hole of valve gap 6 valve body 1 then, button 7 is fastened on the top of valve rod 8 again.Promptly become the utility model self-closed anti-blocking water faucet.

2. use step: water-inlet cavity A one end of self-closed anti-blocking water faucet is linked to each other with running water pipe and can use.Before just having brought into use, should press several knob downs 7 continuously, make in the control chamber C and be full of water, during use, touch the button moment of 7 when one, valve rod 8 moves downward, and the plane breaks away from the sealing valve line (pressure spring 5 simultaneously) below cylinder sleeve 4 through holes on the small washer 11, cause the water in the system chamber C to flow into cylinder sleeve 4 top inner chambers from the gap between valve rod 8 and cylinder sleeve 4 through holes, the some grooves through cylinder sleeve 4 outer side walls flow out from water chamber B again.When pointing one, the user leaves button 7, spring 5 resets and upwards makes valve rod 8 the last plane of small washer 11 from newly having sealed cylinder sleeve 4 through holes in the top, this moment is because the current mistake in the system chamber C, cavity pressure reduces, so the tap water among the water-inlet cavity A backs down piston 3 and upwards moves, flow to water chamber B through primary valve, use for the people from the ejection of the fire hose draught animals.In use, the moisturizing aperture of tap water among the water-inlet cavity A by piston 3 belows is (because of the anti-blocking pin 12 that top, valve rod 8 lower end is arranged in the aperture inserts, so strictly speaking, be by the circular cylindrical hole between aperture and the anti-blocking pin 12) flow in the control chamber C, hydraulic pressure in the chamber is bit by bit raise, thereby at leisure piston 3 is pushed away downwards, middle washer 2 lower planes until piston 3 belows contact from new with the valve line of water tap main valve, promptly closed the primary valve of valve body 1, finished the easy manipulation water tap and reached the purpose that time-delay is supplied water; During simultaneously owing to this water tap of use, whenever by a button 7, valve rod 8 just moves downward once, the anti-blocking pin 12 that promptly drives its top, lower end is disclosed once in the moisturizing aperture, therefore the utility model self-closed anti-blocking water faucet also need not to open tap mediation moisturizing aperture after long-term the use, has been with great facility for the use of old man children disadvantaged group.

Claims

1, self-closed anti-blocking water faucet, it comprises three way valve (1), and valve body is equipped with Spool assembly in (1), and Spool assembly is by middle washer (2), piston (3), cylinder sleeve (4), spring (5), valve rod (8), little O type circle (9), large washer (10), small washer (11), big O type circle (13) is formed; Spool assembly is isolated into water-inlet cavity (A) to valve body (1) inner chamber, water chamber (B), control chamber (C); It is characterized in that valve rod (8) top, lower end is provided with the anti-blocking pin of a needle-like (12), anti-blocking pin (12) lower end enters in the moisturizing aperture of piston (3) below.

2, self-closed anti-blocking water faucet as claimed in claim 1 is characterized in that valve rod (8) middle part is shaped on a step, and small washer (11) is equipped with on the plane on the step.

3, self-closed anti-blocking water faucet as claimed in claim 1 is characterized in that cylinder sleeve (4) outer side wall is shaped on some grooves, and groove communicates with cylinder sleeve (4) inner chamber; Be shaped on the sealing valve line below the through hole of cylinder sleeve (4) upper end.

4, self-closed anti-blocking water faucet as claimed in claim 1 is characterized in that piston (3) middle part outer surface is shaped on a groove, groove is embedded with big O type circle (13), and middle washer (2) is equipped with in the bottom.