CN102535608A - Tandem type bi-valve device, toilet stool and water saving method - Google Patents

Abstract

The invention discloses a tandem type bi-valve device, which is arranged in a water tank of a toilet stool and used for utilizing inflow water in the water tank and an external water source to push a water flow flowing into a bed pan from the water tank of the toilet stool. The tandem type bi-valve device comprises the external water source, a water inflow pipe, a main valve communicated with the water inflow pipe, a secondary valve adjacent to the main valve, a jet pipe communicated with the secondary valve and a water outlet used for discharging water into the water tank, wherein the secondary valve is used for controlling water jet to the middle or bottom of the bed pan or the bottom of an inlet of a blow-off pipeline, and the main valve is used for controlling water inflowing into the toilet stool. According to the invention, the external water source is used to push the water flow discharged from the water tank for flushing, the problem of high water consumption is solved effectively, and the tandem type bi-valve device has the advantages of low water consumption, simplicity and convenience in installation and low cost.

Description

Tandem double-valve device, closet and water-saving method

Technical field

The present invention relates to a kind of tandem double-valve device, relate in particular to a kind of tandem double-valve device that is installed in the tank for excrement pan.

Background technology

Existing closet generally all is only to lean on the water that from water tank, ejects that bedpan is washed; Though spray-hole is arranged at the bedpan bottom; But the water of spray-hole ejection from then on is also from water tank; Because the water tank height is limited, the water pressure of from water tank, coming out is very low, needs more water just can rinse bedpan well; Also there is the part closet fully directly to utilize press water such as tap water to wash, but hydraulic pressure is had relatively high expectations, need the above pressure of 300KPa, otherwise also be difficult to rinse well, and have very big sound during flushing.

The existing water intaking valve of water inlet in the tank for excrement pan that makes generally all has only a water inlet pipe and a delivery port that makes water tank water intake that connects external water source; Thereby a kind of low level cistern closet can not clean upper wall in the closet owing to the water that gives off from water tank can not arrive Closet ring seat; So a kind of big moisturizing water intaking valve that is exclusively used in the low level cistern closet is also arranged on the market; Though this big moisturizing water intaking valve has been Duoed a delivery port than common water intaking valve, the water that flows out from this delivery port is to flow to ring to be used to clean upper wall in the closet.

Summary of the invention

The object of the present invention is to provide a kind of tandem double-valve device; Be installed on and make in the tank for excrement pan that water inlet external water source capable of using again promotes to be discharged into the current in the bedpan from tank for excrement pan in the water tank, reach the effect that high-pressure water capable of using or low pressure water source flushing dirt can be economized on water again.

To achieve these goals, the invention provides a kind of tandem double-valve device, it is characterized in that: comprise the water inlet pipe that connects external water source; The main valve that is connected with said water inlet pipe; The secondary valve that is connected with said main valve, the playpipe that is connected with said secondary valve, the delivery port of water outlet in water tank; Said secondary valve control is to closet or closet bottom or blow-off line inlet bottom water spray, and said main valve control is to the tank for excrement pan water inlet and control the unlatching of said secondary valve;

Said main valve and said secondary valve include valve body, spool, valve gap, cursor; Place spool in the valve body, spool is divided into epicoele and cavity of resorption with valve inner, and said cavity of resorption comprises intake antrum and water chamber; Spool has the hole of up/down perforation, and valve gap is provided with the inside and outside relief hole that connects;

The water chamber of main valve and the intake antrum of secondary valve are connected, and playpipe is connected with the water chamber of secondary valve, on the water chamber that delivery port is positioned at main valve and the passage that the intake antrum of secondary valve is connected;

Said main valve also comprises buoyancy aid mechanism; Connected by cursor between buoyancy aid mechanism and the valve gap, cursor provides the sealing of hole thing, and this sealing of hole thing is along with the relief hole on the valve gap is optionally sealed or opens in the motion of cursor; Main valve is closed when the buoyancy aid mechanism of main valve floats, and is unlocked when floating downward;

Said secondary valve also comprises jug mechanism; The discharge orifice is arranged at jug mechanism bottom; Connected by cursor between jug mechanism and the valve gap, cursor provides the sealing of hole thing, and this sealing of hole thing is along with the relief hole on the valve gap is optionally sealed or opens in the motion of cursor; Secondary valve is closed when in the jug mechanism of secondary valve, moving, and is unlocked when moving down.

As the improvement of tandem double-valve device of the present invention, its further characteristic is: said main valve also comprises the buoyancy aid jar, and the bottom of said buoyancy aid jar is provided with one way valve, and said buoyancy aid mechanism is placed in the said buoyancy aid jar; The resilient plug that is positioned at said main valve valve gap relief hole top is arranged, the rotating fulcrum that links to each other with the main valve valve gap, the jointing that is connected with buoyancy aid mechanism on the cursor of said main valve; The resilient plug that is positioned at said secondary valve valve gap relief hole top is arranged, the rotating fulcrum that links to each other with secondary valve valve gap, the jointing that is connected with jug mechanism on the cursor of said secondary valve;

With the rotating fulcrum is separation, and the cursor of said main valve and secondary valve is divided into both sides, and a side is called a side of flexible plug, and opposite side is called the side that jointing is arranged;

The resilient plug and the both sides of the said jointing that is connected with buoyancy aid mechanism of the said main valve valve gap relief hole top of said main valve cursor at the said rotating fulcrum that links to each other with the main valve valve gap; The both sides of the rotating fulcrum that the resilient plug of the said secondary valve valve gap relief hole top of said secondary valve cursor and the said jointing that is connected with jug mechanism link to each other at said and secondary valve valve gap.

Improvement as tandem double-valve device of the present invention; Its further characteristic is: also comprise an anti-siphon valve in the said tandem double-valve device, said main valve, secondary valve, anti-siphon valve include valve body; Be positioned at the valve gap of valve body top, be arranged in the spool of valve body; Said spool is divided into epicoele and cavity of resorption with valve inner, and said cavity of resorption comprises intake antrum and water chamber; The intake antrum of said main valve is connected with said water inlet pipe; The water chamber of said main valve is connected with the intake antrum of said anti-siphon valve; The water chamber of said anti-siphon valve is connected with the intake antrum of said secondary valve, on the water chamber that delivery port is positioned at anti-siphon valve and the passage that the intake antrum of secondary valve is connected; The water chamber of said secondary valve is connected with said playpipe.

Improvement as tandem double-valve device of the present invention; Its further characteristic is: also comprise jug device protection cover; Said jug mechanism is placed in the said jug device protection cover; Said water inlet pipe is parallel with said playpipe, and said main valve is a buoyancy aid mechanism controls valve, and said secondary valve is a jug mechanism controls valve.

As the improvement of tandem double-valve device of the present invention, its further characteristic is: but the adjusting device of the opening degree size of free adjustment discharge orifice is arranged in the discharge orifice of said jug mechanism bottom.

As the improvement of tandem double-valve device of the present invention, its further characteristic is: said secondary valve cursor has the elastic body that cursor is rotated close said secondary valve valve gap relief hole.

As the improvement of tandem double-valve device of the present invention, its further characteristic is: a side of the flexible plug of said secondary valve cursor has the water holding box that cursor is rotated close said secondary valve valve gap relief hole.

As the improvement of tandem double-valve device of the present invention, its further characteristic is: a side of the flexible plug of said secondary valve cursor has the gravity block that cursor is rotated close said secondary valve valve gap relief hole.

A kind of closet; Comprise water tank and bedpan, it is characterized in that: be provided with described tandem double-valve device in the water tank, the water inlet pipe of said tandem double-valve device connects external water source; Delivery port is water outlet in water tank, and playpipe connects to bedpan or bedpan bottom or blow-off line bottom with flexible pipe.

A kind of closet water-saving method; It is characterized in that: described tandem double-valve device is installed in the water tank of closet, connects external water source to water inlet pipe, connect playpipe to bedpan or bedpan bottom or blow-off line inlet bottom with flexible pipe; At the beginning, anhydrous in the water tank of closet; May further comprise the steps:

A, the said relief hole of main valve valve gap is arranged to open, the said relief hole of secondary valve valve gap is arranged to close;

B, utilize external water source to supply water to water inlet pipe, make main valve continue to open, secondary valve continues to cut out, and current from water inlet pipe through stream main valve intake antrum, main valve water chamber, main valve water chamber and passage, delivery port that delivery port is connected mutually, enter into water tank;

C, along with water level in the water tank raises gradually, the water in the water tank, on the one hand; Gradually get in the jug mechanism from the discharge orifice of jug mechanism bottom; On the other hand, in the buoyancy aid jar, intake, utilize buoyancy aid mechanism to float and drive the relief hole that the main valve valve gap is closed in the rotation of main valve cursor; And then close main valve, and and then stop in water tank, to supply water;

D, open the drain assembly of closet,, flow in the closet to discharge the water in the water tank;

During drawdown in the e, water tank, the one-way valve opens of buoyancy aid pot bottom, the water in the buoyancy aid jar is discharged;

F, utilize the decline of buoyancy aid mechanism to drive the main valve cursor to rotate, open the said relief hole of main valve valve gap, thereby keep main valve to be in openable state; Utilize the in-house water of jug secondary valve cursor to be rotated as gravity, the said relief hole of open auxiliary valve valve gap, thus keep secondary valve to be in openable state;

G, utilize external water source to supply water to water inlet pipe once more, behind stream main valve intake antrum, main valve water chamber, wherein the passage, the delivery port that are connected mutually from main valve water chamber and delivery port of one current enters into water tank to current from water inlet pipe; The passage that another strand current are connected mutually from main valve water chamber and secondary valve intake antrum, secondary valve intake antrum, secondary valve water chamber, playpipe; Enter into bedpan or bedpan bottom or blow-off line bottom through flexible pipe then, the inflow bedpan that promotes to give off from water tank or the water of bedpan bottom or blow-off line bottom;

H, the in-house drainage speed of control jug; Water spraying time with the control playpipe; After reaching preset water spraying time, make secondary valve cursor revolution close the said relief hole of secondary valve valve gap thereby utilize to move in the loss jug mechanism of the in-house water of jug, thereby close said secondary valve; And

I, repeating step b are to step h.

The switching principle of the switching principle of the switching principle of main valve of the present invention and secondary valve and common water intaking valve or common electromagnetic valve is identical, all is that the epicoele of the relief hole control spool that covers through open and close valve and the pressure differential of cavity of resorption reach open and close valve; Through out-of-date, the relief hole shut off valve on the valve gap just is closed as current, and the relief hole opening valve on the valve gap just is unlocked, and is specific as follows:

Place spool in the valve body, spool has the hole of up/down perforation, and spool is divided into epicoele and cavity of resorption with valve inner; Cavity of resorption comprises intake antrum and water chamber, and the valve body epicoele communicates with cavity of resorption through the aperture on the spool, when relief hole is in closed condition and has current to get into; Part water reaches the valve body epicoele through the aperture on the spool, and this moment, spool received the downward applied pressure of water and the water in the intake antrum in the epicoele applied pressure that makes progress, and downward pressure size multiply by the cross section of epicoele for hydraulic pressure; Be the cross section of spool, the size that upwards pressure multiply by the cross section of intake antrum for hydraulic pressure, because hydraulic pressure is the same; And the cross section of intake antrum is much smaller than the cross section of epicoele; Therefore the downward pressure that receives of spool is greater than upwarding pressure, and spool is in shifting state down, cuts off the connection of intake antrum and water chamber.This state is called the closed condition of this valve body.

When relief hole was in opening, the valve body epicoele communicated with the external world through relief hole, because the hole diameter on the spool is less than the diameter of relief hole on the valve gap; When current got into, the water that reaches the valve body epicoele through the aperture on the spool went out valve body through letting out little pressure orifice flow very soon, and the downward pressure that spool receives upwards pressure less than what it received; When arriving a certain pressure differential; Spool is in raised state, and intake antrum is communicated with water chamber, and current flow into water chamber from intake antrum.This state is called the opening of this valve body.

Can find out that to sum up when current passed through, relief hole was closed and then caused valve to be closed, relief hole is opened and is then caused opening of valves.Therefore, control the switching of relief hole, just controlled the switching of valve, thus the outflow of controlled water flow.

Workflow of the present invention is following:

A. tandem double-valve device of the present invention is fixedly mounted in the water tank; The lower end that makes water inlet pipe and playpipe is outside water tank; Be connected water inlet pipe with external water source, connect flexible pipe on the playpipe, another termination of said flexible pipe is to bedpan or bedpan bottom or blow-off line inlet bottom; Anhydrous in the water tank at this moment, buoyancy aid mechanism does not float, and is anhydrous in the jug mechanism;

When buoyancy aid mechanism does not float; The jointing that is connected with buoyancy aid mechanism on the main valve cursor is the decline state; Because the resilient plug of the main valve valve gap relief hole of main valve cursor top and jointing are in the both sides of rotating fulcrum; Therefore the resilient plug on the main valve cursor is a propradation, and the main valve relief hole is an open mode;

When in the jug mechanism when anhydrous; The jointing that is connected with jug mechanism on the secondary valve cursor is a propradation; Because the resilient plug of the secondary valve valve gap relief hole top of secondary valve cursor and jointing are in the both sides of rotating fulcrum; Therefore the resilient plug on the secondary valve cursor is the decline state, and secondary valve relief hole is a closed condition.

B. open external water source, current are from the intake antrum of water inlet pipe entering main valve, because the main valve relief hole is an open mode, when current passed through, main valve was opened, and main valve intake antrum and water chamber are connected; Current are successively through main valve intake antrum, main valve water chamber, the secondary valve intake antrum of entering; Or current are successively through main valve intake antrum, main valve water chamber, anti-siphon valve intake antrum, anti-siphon valve water chamber, the secondary valve intake antrum of entering; Because secondary valve relief hole is closed condition, valve core of auxiliary valve is in shifting state down, and secondary valve intake antrum and water chamber are not communicated with, the delivery port entering water tank on the passage that the intake antrum of water chamber and the secondary valve of current through being positioned at main valve is connected.

C. after external water source continued to flow into a period of time, the water tank middle water level rose, the water in the water tank, on the one hand; Gradually get in the jug mechanism from the discharge orifice of jug mechanism bottom, on the other hand, in the buoyancy aid jar, intake; The jointing that is connected with buoyancy aid mechanism on the main valve cursor rises, and the resilient plug of the main valve valve gap top on the main valve cursor descends, and the main valve relief hole is closed; Main valve is closed, and the intake antrum and the water chamber of main valve are not communicated with, and stops to the water supply of water tank.

D. open the drain assembly of closet,, flow in the closet to discharge the water in the water tank;

E. during the drawdown in the water tank, the one-way valve opens of buoyancy aid pot bottom, the water in the buoyancy aid jar is discharged; The jointing that is connected with buoyancy aid mechanism on the main valve cursor descends; Resilient plug on the main valve cursor rises, and opens the main valve relief hole, thereby keeps main valve to be in openable state; Utilize the in-house water of jug secondary valve cursor to be rotated as gravity, the said relief hole of open auxiliary valve valve gap, thus keep secondary valve to be in openable state;

F. utilize external water source to supply water to water inlet pipe once more, behind stream main valve intake antrum, main valve water chamber, wherein the passage, the delivery port that are connected mutually from main valve water chamber and delivery port of one current enters into water tank to current from water inlet pipe; The passage that another strand current are connected mutually from main valve water chamber and secondary valve intake antrum, secondary valve intake antrum, secondary valve water chamber, playpipe; Enter into bedpan or bedpan bottom or blow-off line bottom through flexible pipe then, the inflow bedpan that promotes to give off from water tank or the water of bedpan bottom or blow-off line bottom;

H, the in-house drainage speed of control jug; Water spraying time with the control playpipe; After reaching preset water spraying time, make secondary valve cursor revolution close the said relief hole of secondary valve valve gap thereby utilize to move in the loss jug mechanism of the in-house water of jug, thereby close said secondary valve.

The invention has the beneficial effects as follows:

Simple installation is connected water inlet pipe with external water source, connect flexible pipe on the playpipe, and another termination of said flexible pipe can be used bottom bedpan or bedpan bottom or blow-off line inlet.

With low cost, the present invention uses the switching of jug mechanism of buoyancy aid mechanism automatic control valve, compares with existing electromagnetic valve etc., and is with low cost.

Automatically control is washed away strong water saving, when cistern water-discharging; Secondary valve in the tandem double-valve device is opened automatically, and water inlet pipe, main valve, secondary valve, playpipe form path, and external water source directly is injected into bedpan or bedpan bottom or blow-off line inlet bottom from playpipe through the tandem double-valve device; The water that promotion is discharged from water tank washes; The external water source of the present invention's different hydraulic pressure capable of using, the water pressure that ejects is big, rinses water saving well.

Description of drawings

Fig. 1 a is the front perspective view of total valve body of tandem double-valve device of the present invention.

Fig. 1 b is the face upwarding stereogram of total valve body of tandem double-valve device of the present invention.

Fig. 1 c is the vertical view of total valve body of tandem double-valve device of the present invention.

Fig. 2 a is the A-A sectional drawing shown in Fig. 1 c of total valve body of tandem double-valve device of the present invention.

Fig. 2 b is the B-B sectional drawing shown in Fig. 1 c of total valve body of tandem double-valve device of the present invention.

Fig. 2 c is the C-C sectional drawing shown in Fig. 1 c of total valve body of tandem double-valve device of the present invention.

Fig. 3 a is the vertical view of total valve gap of tandem double-valve device of the present invention.

Fig. 3 b is the face upwarding stereogram of total valve gap of tandem double-valve device of the present invention.

Fig. 3 c is the front perspective view of total valve gap of tandem double-valve device of the present invention.

Fig. 4 a is the stereogram of the main valve cursor of tandem double-valve device of the present invention.

Fig. 4 b is the lateral view of the main valve cursor of tandem double-valve device of the present invention.

Fig. 5 a is the stereogram of secondary valve cursor of the specific embodiment one of tandem double-valve device of the present invention.

Fig. 5 b is the lateral view of secondary valve cursor of the specific embodiment one of tandem double-valve device of the present invention.

Fig. 6 a is the front perspective view of the jug mechanism of tandem double-valve device of the present invention.

Fig. 6 b is the anti-parallax stereogram of the jug mechanism of tandem double-valve device of the present invention.

Fig. 7 a is the front perspective view of the buoyancy aid mechanism of tandem double-valve device of the present invention.

Fig. 7 b is the anti-parallax stereogram of the buoyancy aid mechanism of tandem double-valve device of the present invention.

Fig. 8 a is the front perspective view of the buoyancy aid jar and the jug device protection cover of tandem double-valve device of the present invention.

Fig. 8 b is the buoyancy aid jar of tandem double-valve device of the present invention and the anti-parallax stereogram of jug device protection cover.

Fig. 8 c is the front elevational schematic of the adjusting device of tandem double-valve device of the present invention.

Fig. 8 d is the schematic side view of the adjusting device of tandem double-valve device of the present invention.

Fig. 8 e is the elastic body sketch map of tandem double-valve device of the present invention.

Fig. 9 is the stereogram of the profiled spacer of tandem double-valve device of the present invention.

Figure 10 is the stereogram of the water out adapter of tandem double-valve device of the present invention.

Figure 11 is the stereogram of the anti-siphon spool of tandem double-valve device of the present invention.

Figure 12 is the stereogram of the demoulding flap of tandem double-valve device of the present invention.

Figure 13 is the stereogram of the mediation spring of tandem double-valve device of the present invention.

Figure 14 is the stereogram of the sealing ring of tandem double-valve device of the present invention.

Figure 15 is the stereogram of the resilient plug of tandem double-valve device of the present invention.

Figure 16 a is the front perspective view of the major-minor valve Elastic valve core diaphragm of tandem double-valve device of the present invention.

Figure 16 b is the anti-parallax stereogram of the major-minor valve Elastic valve core diaphragm of tandem double-valve device of the present invention.

Figure 16 c is the sectional drawing of the major-minor valve Elastic valve core diaphragm of tandem double-valve device of the present invention.

Figure 17 a is the stereogram that the major-minor valve core diaphragm of tandem double-valve device of the present invention is sat.

Figure 17 b is the sectional drawing that the major-minor valve core diaphragm of tandem double-valve device of the present invention is sat.

Figure 18 is the sectional drawing of the major-minor valve core of tandem double-valve device of the present invention.

Figure 19 is the stereogram of the one way valve of tandem double-valve device of the present invention.

Figure 20 be tandem double-valve device of the present invention at water tank each the unit status sketch map under the anhydrous or water inlet state.

Figure 20 a is the A-A generalized section shown in Fig. 3 a under the water tank water intake state of Figure 20.

Figure 20 b is the B-B generalized section shown in Fig. 3 a under the water tank water intake state of Figure 20.

Figure 20 c is the C-C generalized section shown in Fig. 3 a under the water tank water intake state of Figure 20.

Figure 21 is tandem double-valve device of the present invention each unit status sketch map when water tank water intake finishes.

Figure 21 a is the A-A generalized section shown in Fig. 3 a of Figure 21.

Figure 22 is tandem double-valve device of the present invention each unit status sketch map at the cistern water-discharging initial stage.

Figure 22 a is the A-A generalized section shown in Fig. 3 a of Figure 22.

Figure 22 b is the B-B generalized section shown in Fig. 3 a of Figure 22.

Figure 22 c is the C-C generalized section shown in Fig. 3 a of Figure 22.

Figure 23 is the view of the resilient plug on the main valve cursor of tandem double-valve device of the present invention when closing main valve valve gap relief hole.

Figure 24 is the view of the resilient plug on the main valve cursor of tandem double-valve device of the present invention when opening main valve valve gap relief hole.

Figure 25 is the tank for excrement pan sketch map that tandem double-valve device of the present invention is installed.

Figure 26 is the view of the resilient plug on the secondary valve cursor of the specific embodiment one of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 27 is the view of the resilient plug on the secondary valve cursor of the specific embodiment one of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 28 is the view of the resilient plug on the secondary valve cursor of the specific embodiment two of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 29 is the view of the resilient plug on the secondary valve cursor of the specific embodiment two of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 30 is the view of the resilient plug on the secondary valve cursor of the specific embodiment three of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 31 is the view of the resilient plug on the secondary valve cursor of the specific embodiment three of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 32 is the view of the resilient plug on the secondary valve cursor of the specific embodiment four of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 33 is the view of the resilient plug on the secondary valve cursor of the specific embodiment four of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 34 is the view of the resilient plug on the secondary valve cursor of the specific embodiment five of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 35 is the view of the resilient plug on the secondary valve cursor of the specific embodiment five of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 36 is the view of the resilient plug on the secondary valve cursor of the specific embodiment six of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 37 is the view of the resilient plug on the secondary valve cursor of the specific embodiment six of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 38 is the view of the resilient plug on the secondary valve cursor of the specific embodiment seven of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 39 is the view of the resilient plug on the secondary valve cursor of the specific embodiment seven of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

Figure 40 is the view of the resilient plug on the secondary valve cursor of the specific embodiment eight of tandem double-valve device of the present invention when closing secondary valve valve gap relief hole.

Figure 41 is the view of the resilient plug on the secondary valve cursor of the specific embodiment eight of tandem double-valve device of the present invention when opening secondary valve valve gap relief hole.

(in order to make the clear mediation spring that in sectional drawing, all omitted of figure)

The specific embodiment one

Consult Fig. 1 a, Fig. 1 b, Fig. 1 c, have on total valve body 1 that main valve intake antrum 2, main valve water chamber 3, anti-siphon valve intake antrum 4, anti-siphon valve water chamber 5, secondary valve intake antrum 6, secondary valve water chamber 7, demoulding chamber 8, Water outlet 9, water out adapter collude 10, spool sits 11, water inlet pipe 12, playpipe 13, delivery port 14, sealing ring ditch 15 and elastic body anchor point 68.

Wherein, water inlet pipe 12 is parallel with playpipe 13.

Consult Fig. 2 a, Fig. 2 b, Fig. 2 c; Water inlet pipe 12 is connected with main valve intake antrum 2, and main valve water chamber 3 is connected with anti-siphon valve intake antrum 4, and anti-siphon valve water chamber 5 is connected with secondary valve intake antrum 6; Secondary valve water chamber 7 is connected with playpipe 13, and secondary valve intake antrum 6 is connected with delivery port 14.

Consult Fig. 3 b, Fig. 3 c; The anti-siphon air channel 19 that the main valve relief hole 17 that is communicated with up and down, the secondary valve relief hole 18 that is communicated with are up and down arranged, is communicated with on total valve gap 16 fronts up and down, two main valve cursor rotating fulcrum holes 20, two secondary valve cursor rotating fulcrum holes 21, water out adapter button 22, second watertight shutter 23, the 3rd watertight shutter 24, the 4th watertight shutter 25, flowing water breach 26, flowing water breach 27, flowing water breach 28 are having anti-siphon valve seal ring recess 70 on total valve gap 16 reverse side.

Consult Fig. 4 a, Fig. 4 b, Fig. 5 a, Fig. 5 b; On an end of main valve cursor 29 and secondary valve cursor 34, elasticity consent 30 and two rotating fulcrums 31 are separately arranged all; Jointing 32 is separately all arranged on the other end; With the connecting hole 35 on the jointing 32, first watertight shutter 33 is arranged, flexible body anchor point 68 on secondary valve cursor 34 below main valve cursor 29;

With the rotating fulcrum is separation, and the cursor of main valve and secondary valve is divided into both sides, and a side is called a side of flexible plug, and opposite side is called the side that jointing is arranged.

Consult Fig. 3 c, Fig. 4 a, Fig. 5 a, the elasticity consent 30 on the main valve cursor 29 is corresponding with the main valve relief hole 17 on total valve gap 16, and the elasticity consent 30 on the secondary valve cursor 34 is corresponding with the secondary valve relief hole 18 on total valve gap 16.

Consult Fig. 6 a, Fig. 6 b, Fig. 7 a, Fig. 7 b, in jug mechanism 36 and buoyancy aid mechanism 38, connector 37 is separately arranged all, connector 37 bottoms are fluted; Buoyancy aid mechanism 38 reverse side are hollow to have cavity, the jug mechanism 36 positive hollow cavitys that have, and discharge orifice 69 is arranged at the bottom.

Consult Fig. 4 a, Fig. 5 a, Fig. 6 a, Fig. 7 a; Connector 37 in connecting hole 35 on main valve cursor 29 and the secondary valve cursor 34 and buoyancy aid mechanism 38 and the jug mechanism 36 all is about rectangle in proportion; And the rectangle of connecting hole 35 is slightly larger than the rectangle of connector 37, and promptly connector 37 can stretch in the connecting hole 35.

Consult Fig. 8 a, Fig. 8 b, buoyancy aid jar 39 is an one with jug device protection cover 41, in buoyancy aid jar 39 bottoms unidirectional valve opening 40 is arranged, and at buoyancy aid jar 39 sidepieces into water pore 42 is arranged, and overlapping 41 sidepieces at the jug device protection has spray tube holes 43.

Consult Fig. 8 c, Fig. 8 d, regulating wheel 45 and a plurality of flowing water aperture 70 that varies in size are arranged in adjusting device 44, wherein, rotate regulating wheel 45 and can open and close different flowing water apertures 70.

Consult Figure 10, filling pipe 48 and outlet pipe 49 and water inlet 50 are arranged on the water out adapter 47.

Wherein, water out adapter 47 inner hollow, promptly filling pipe 48 all interconnects with outlet pipe 49 and water inlet 50.

Consult Figure 11, anti-siphon spool 51 is the flat-shaped cylinder of unidirectional opening.

Wherein, anti-siphon spool 51 is processed for elastic gel.

Consult Figure 13, mediation pin 54 is arranged on the mediation spring 53.

Consult Figure 16 a, Figure 16 b, two little one big reference column holes 58 are arranged on Elastic valve core diaphragm 57.

Wherein, Elastic valve core diaphragm 57 is an elastic gel.

Consult Figure 17 a, Figure 17 b, sit the big reference column 60 in two little one big reference column holes 58 corresponding two little that has on 59 with on Elastic valve core diaphragm 57 at the spool diaphragm, and on a little reference column 60 spool aperture 61 is arranged therein.

Wherein, The cross-sectional area of the main valve relief hole 17 that is communicated with up and down on total valve gap 16 is poor greater than the cross-sectional area of the mediation pin 54 on the cross-sectional area of valve core of main valve aperture 61 and the mediation spring 53, and the cross-sectional area of the secondary valve relief hole 18 that is communicated with up and down on total valve gap 16 is poor greater than the cross-sectional area of the mediation pin 54 on the cross-sectional area of valve core of auxiliary valve aperture 61 and the mediation spring 53.

Consult Figure 19, climbers 63 are arranged on the one way valve 62.

Introduce the concrete installation step of each parts of tandem double-valve device of the present invention below

Consult Figure 16 a, Figure 16 b, Figure 17 a, Figure 17 b, Figure 18; Being installed in the spool diaphragm to Elastic valve core diaphragm 57 sits on 59; Making the little one big reference column hole 58 of two on the Elastic valve core diaphragm 57 be enclosed within the spool diaphragm sits on the two little one big reference columns 60 on 59; So just be combined into a spool, shown in figure 18;

Consult Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 2 a, Fig. 3 b, Fig. 3 c, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 18, Figure 20; At first cover demoulding flap 52 on the demoulding chamber 8 on total valve body 1 and also be welded together them with ultrasonic wave; Two spools that are installed on two spools respectively on total valve body 1 are again sat on 11, and the spool diaphragm is sat on 59 has one of reference column 60 to face down; Between total valve gap 16 and spool, place the suitable mediation spring 53 of intensity and the mediation pin 54 on the mediation spring 53 is stretched in the spool aperture 61; Be enclosed within the one side of anti-siphon spool 51 openings on the anti-siphon valve intake antrum 4 on total valve body 1; Be inserted in the sealing ring 55 of suitable size in the sealing ring ditch 15 of 9 ones on total valve body 1 upper water-out head; Be enclosed within the water inlet on the water out adapter 47 50 on the Water outlet 9 again, rotate water out adapter 47 and make filling pipe 48 up, outlet pipe 49 down and the water out adapter on total valve body 1 collude in 10; Be placed on the sealing ring 55 of suitable size in the anti-siphon valve seal ring recess 70 on total valve gap 16;

Accomplish total valve gap 16 of installing sealing ring 55 reverse side that faces up on total valve body 1 of above-mentioned installation towards lower cover; And make the anti-siphon valve seal ring recess 70 on total valve gap 16 reverse side relative, and the water out adapter button 22 on total valve gap 16 is inserted on the filling pipe 48 that is installed on total valve body 1 with the anti-siphon valve water chamber 5 on total valve body 1; At last total valve gap 16 usefulness screws be fixed in total valve body 1 above, the inside installation of total valve body 1 of tandem double-valve device of the present invention like this.

Wherein, Spool has been divided into epicoele and cavity of resorption to valve inside; Upper chambers at spool is called epicoele, and lower chamber is called cavity of resorption, and main valve intake antrum 2, main valve water chamber 3 are arranged in the main valve cavity of resorption; Secondary valve intake antrum 6, secondary valve water chamber 7 are arranged in secondary valve cavity of resorption, anti-siphon valve intake antrum 4, anti-siphon valve water chamber 5 are arranged in anti-siphon valve cavity of resorption.

Consult Figure 19, Fig. 8 a, Fig. 8 b, be installed to the outer bottom of the climbers 63 on the one way valve 62 the unidirectional valve opening 40 from buoyancy aid jar 39;

Consult Fig. 6 a, Fig. 6 b, Fig. 8 c, Fig. 8 d, be installed to adjusting device 44 in the discharge orifice 69 of jug mechanism 36 bottoms, make regulating wheel 45 in jug mechanism 36 bottoms.

Consult Fig. 6 a, Fig. 7 a, Fig. 8 a, be installed to buoyancy aid mechanism 38 in the buoyancy aid jar 39 of fit on one way valve 62, be installed to the jug mechanism 36 that installs adjusting device 44 in the jug device protection cover 41;

Overlap water inlet pipe on total valve body 1 of before having accomplished total valve gap 16 on the inner mounting cover 12 and the water inlet pore 42 that playpipe 13 inserts buoyancy aid jar 39 sidepieces in the spray tube holes 43 of 41 sidepieces with the jug device protection; Water inlet pipe 12 and water inlet pore 42 are aligned, and playpipe 13 aligns also with spray tube holes 43 and one is inserted into the end;

Consult Fig. 9, Figure 20, tightly be inserted in two profiled spacers 46 in water inlet pipe 12 and the playpipe 13, and make them withstand the into bottom of water pore 42 and spray tube holes 43; The bottom of tandem double-valve device of the present invention is like this installed and has also been accomplished.

Consult Figure 15, Fig. 4 a, Fig. 5 a, be installed in two resilient plugs 56 respectively on the elasticity consent 30 on the end of main valve cursor 29 and secondary valve cursor 34 earlier;

Consult Fig. 3 c, Fig. 4 a, Fig. 7 a, Figure 20; Be inserted in the connecting hole 35 on the main valve cursor 29 1 end jointings 32 from the connector 37 in the buoyancy aid mechanism 38 that accomplishes above-mentioned assembling; Be set on the groove of connector 37 bottoms; Rotate main valve cursor 29 about 90 degree, the connector 37 in the buoyancy aid mechanism 38 is buckled on the jointing 32 of main valve cursor 29 1 ends; Be installed in two rotating fulcrums 31 on the main valve cursor 29 in two main valve cursor rotating fulcrum holes 20 on total valve gap 16 through elastic properties of materials again, make the resilient plug 56 on the main valve cursor 29 be positioned at the top of the main valve relief hole 17 of connection up and down;

Consult Fig. 1 a, Fig. 8 e, be installed to an end of elastic body 70 on the elastic body anchor point 68 on total valve body 1 fixing;

Consult Fig. 3 c, Fig. 5 a, Fig. 6 a, Figure 20; Be inserted in the connecting hole 35 on the secondary valve cursor 34 1 end jointings 32 from the connector 37 in the jug mechanism 36 that accomplishes above-mentioned assembling; Be set on the groove of connector 37 bottoms; Revolute pair valve cursor 34 about 90 degree are buckled on the jointing 32 of secondary valve cursor 34 1 ends the connector 37 in the jug mechanism 36; Be installed in two rotating fulcrums 31 on the secondary valve cursor 34 in two secondary valve cursor rotating fulcrum holes 21 on total valve gap 16 through elastic properties of materials again; Make the resilient plug 56 on the secondary valve cursor 34 be positioned at the top of the secondary valve relief hole 18 that is communicated with up and down, and make in the elastic body anchor point 68 of the other end on secondary valve cursor 34 of elastic body 70.

Like this, all parts of tandem double-valve device of the present invention all install, consult Figure 20.

Consult Figure 25; Tandem double-valve device 66 integral installations of the present invention in tank for excrement pan 64; Drain assembly 65 is arranged in water tank 64, have only on playpipe 13 and the water inlet pipe 12 below a threaded end water tank outside 64, and lock with nut 67; Connect external water source to water inlet pipe 12, connect playpipe 13 usefulness flexible pipes to bedpan or bedpan bottom blow-down entrance bottom.

As noted earlier; The switching principle of switching principle and common electromagnetic valve that the major-minor valve of tandem double-valve device of the present invention opens and closes principle and common water intaking valve is the same, all is to control the epicoele of spool and the pressure differential of cavity of resorption reaches open and close valve through the relief hole that open and close valve covers; Through out-of-date, the relief hole shut off valve on the valve gap just is closed as current, and the relief hole opening valve on the valve gap just is unlocked, and this is existing known technology, and the professional of each industry understands that the front is slightly introduced, here repeated description no longer.

Consult Figure 20, when anhydrous also in buoyancy aid jar 39 and the jug mechanism 36 when anhydrous, because the effect buoyancy aid mechanism 38 of being conducted oneself with dignity can move down, the end that jointing 32 is arranged of main valve cursor 29 is commentaries on classics state down in tank for excrement pan 64; Jug mechanism 36 is owing to the effect that secondary valve cursor 34 receives elastic body 70 can be risen, and the end that jointing 32 is arranged of secondary valve cursor 34 is the rising state;

Consult Figure 21, when also water being arranged in buoyancy aid jar 39 and the jug mechanism 36 when in tank for excrement pan 64, advancing full water, can come-up owing to receive buoyancy function buoyancy aid mechanism 38, the end that jointing 32 is arranged of main valve cursor 29 is presented the commentaries on classics state; Jug mechanism 36 is owing to the effect that secondary valve cursor 34 receives elastic body 70 can be risen, and the end that jointing 32 is arranged of secondary valve cursor 34 is the rising state;

Consult Figure 23; Change on the end that jointing 32 is arranged of main valve cursor 29; The other end of main valve cursor 29 flexible consents 30 will descend to change; Through leverage, thereby make the resilient plug 56 on the elasticity consent 30 that is installed in main valve cursor 29 push down the main valve relief hole 17 on total valve gap 16, promptly main valve relief hole 17 is closed; Otherwise, consult Figure 24, commentaries on classics will make main valve relief hole 17 be unlocked under the end that jointing 32 is arranged of main valve cursor 29;

Consult Figure 26; Change on the end that jointing 32 is arranged of secondary valve cursor 34; The other end of secondary valve cursor 34 flexible consents 30 will descend to change; Through leverage, thereby make the resilient plug 56 on the elasticity consent 30 that is installed in secondary valve cursor 34 push down the secondary valve relief hole 18 on total valve gap 16, promptly secondary valve relief hole 18 is closed; Otherwise, consult Figure 27, commentaries on classics will make secondary valve relief hole 18 be unlocked under the end that jointing 32 is arranged of secondary valve cursor 34.

In sum, when buoyancy aid mechanism 38 come-ups, main valve relief hole 17 will be closed, and when buoyancy aid mechanism 38 moved down, main valve relief hole 17 will be unlocked; When jug mechanism 36 rose, secondary valve relief hole 18 will be closed, and when jug mechanism 36 moved down, secondary valve relief hole 18 will be unlocked.

The switching principle of comprehensive aforesaid major-minor valve can obtain to draw a conclusion: connect under the situation at external water source at tandem double-valve device of the present invention, when buoyancy aid mechanism 38 come-ups, main valve is closed, and when buoyancy aid mechanism 38 moved down, main valve was unlocked; When jug mechanism 36 rose, secondary valve was closed, and when jug mechanism 36 moved down, secondary valve was unlocked.

The course of work when introducing tandem double-valve device 66 of the present invention below and being installed in the water tank 64:

Consult Figure 25, Figure 20, anhydrous originally in water tank 64, tandem double-valve device 66 outside each unit status of the present invention at that time are shown in figure 20; Buoyancy aid mechanism 38 is shifting state down; Jug mechanism 36 is raised state, shown in arrow X arrow Y among Figure 20, consults Figure 24, Figure 26; Main valve relief hole 17 was opened at that time, and secondary valve relief hole 18 is closed; Because do not have external water source or tap water; The spool that main valve and secondary valve are inner is shifting state down because of the elasticity of Elastic valve core diaphragm 57; The anti-siphon spool 51 that anti-siphon valve is inner is because deadweight also is shifting state down, and the one way valve 62 of buoyancy aid jar 39 bottoms also is shifting state down because of deadweight;

During to water inlet pipe 12 water inlets of water tank 64 outer bottoms, consult 20a as external water source or tap water, in main valve intake antrum 2, just have current A and flow into, current A makes on the main valve plug and moves, and just has current B to flow in the main valve water chamber 3; Consult Figure 20 b; The passage of current B through being connected between main valve water chamber 3 and the anti-siphon valve intake antrum 4; Just there is current C to flow in the anti-siphon valve intake antrum 4; Current C makes on the anti-siphon spool 51 and moves, and anti-siphon valve water chamber 5 just has current D to flow out, and moves the anti-siphon air channel of having sealed on total valve gap 16 19 that is communicated with up and down on the anti-siphon spool 51; Consult Figure 20 c, current D just has current E to flow into through the passage that anti-siphon valve water chamber 5 is connected with secondary valve intake antrum 6 in the secondary valve intake antrum 6; Again consult Figure 20 a; Current E can arrive delivery port 14 along secondary valve intake antrum 6, just has current F in the delivery port 14 and flows out, and just has current G in the filling pipe 48 on the water out adapter 47 and flows out; Just having current H in the outlet pipe 49 flows out; The current G that from filling pipe 48, flows out can insert bedpan and be used for the bedpan moisturizing, and the current H that from outlet pipe 49, flows out flows into water tank, and water tank begins to get into water inlet state (secondary valve can not be opened owing to move in the jug mechanism 36 that secondary valve relief hole 18 is closed at that time);

Each unit status of the outside of tandem double-valve device 66 of the present invention at that time is shown in figure 20, shown in the state of the resilient plug 56 of main valve and secondary valve and the spool of main valve and secondary valve and anti-siphon spool 51 such as Figure 20 a, Figure 20 b, Figure 20 c.

Consult Figure 21, flow in the water tank 64 along with current H pours from outlet pipe 49, water level raises gradually in the water tank 64; Owing in the bottom of buoyancy aid jar 39 one way valve 62 is arranged, so water level rises to the process of upper edge portion from the bottom of buoyancy aid jar 39 water tank 66 in, the one way valve 62 of buoyancy aid jar 39 bottoms moves in the buoyancy and seals unidirectional valve opening 40 because of receiving; So buoyancy aid jar 39 can not intake, have only the infiltration of minute quantity, be not enough to produce buoyancy and make buoyancy aid mechanism 38 come-ups; Have only when water level has risen to the upper edge of buoyancy aid jar 39, current just can get in the buoyancy aid jar 39 from the upper edge, after water gets into; Buoyancy aid mechanism 38 in it just can float owing to receiving buoyancy function; Thereby main valve relief hole 17 is closed, and the final plant closure main valve, after main valve is closed; Filling pipe 48 on the water out adapter 47 and outlet pipe 49 also go out with regard to anhydrous, and the water inlet of water tank has just stopped; Buoyancy aid mechanism 38 was raised state shown in arrow X among Figure 21 at that time, and jug mechanism 36 also is raised state shown in arrow Y among Figure 21;

Consult Fig. 6 a, Fig. 6 b, Fig. 8 c, Fig. 8 d, along with the rising gradually of water level in the water tank 64, the water in the water tank 64 gets in the jug mechanism 36 through the discharge orifice 69 of flowing water aperture 70 in the adjusting device 44 and jug mechanism 36 bottoms;

Tandem double-valve device 66 outside each unit status of the present invention at that time are shown in figure 21; Shown in the resilient plug 56 of main valve and secondary valve and the spool state of main valve and secondary valve such as Figure 21 a, the inner anti-siphon spool 51 of the anti-siphon valve of impact that has not had current is because deadweight moves down again.

Consult Figure 25, Figure 22; When the drain assembly 65 in opening water tank 64 makes cistern water-discharging; Along with the quick decline of water level in the water tank 64, the one way valve 62 of the outer bottom of buoyancy aid jar 39 is not owing to there has been buoyancy function to move down, and the water in the buoyancy aid jar 39 will flow out from the unidirectional valve opening 40 of bottom; Because the opening degree of the one way valve 62 of buoyancy aid jar 39 bottoms is big; So the water in the buoyancy aid jar 39 will be at once from unidirectional valve opening 40 emptyings, buoyancy aid mechanism 38 also just moves down at once thereupon, thereby main valve relief hole 17 is unlocked; Simultaneously, because the flowing water aperture 70 in the adjusting device 44 is less relatively, the water in the jug mechanism 36 can not flow to end at once; Owing to add the gravity of water; Jug mechanism 36 will make elastic body 71 compressions, and just jug mechanism 36 will move down, even secondary valve relief hole 18 is opened;

Consult 22a, after main valve relief hole 17 was unlocked, the current A in main valve intake antrum 2 will make on the main valve plug and move, and just had current B to flow in the main valve water chamber 3; Consult Figure 22 b; The passage of current B through being connected between main valve water chamber 3 and the anti-siphon valve intake antrum 4; Just there is current C to flow in the anti-siphon valve intake antrum 4; Current C makes on the anti-siphon spool 51 and moves, and anti-siphon valve water chamber 5 just has current D to flow out, and moves the anti-siphon air channel of having sealed on total valve gap 16 19 that is communicated with up and down on the anti-siphon spool 51; Consult Figure 22 c; Current D just has current E to flow into, on the one hand through the passage that anti-siphon valve water chamber 5 is connected with secondary valve intake antrum 6 in the secondary valve intake antrum 6; Current E makes on the auxiliary valve core and moves; Make promptly that also secondary valve is unlocked, just have current I to flow out in the secondary valve water chamber 7, have current J to eject on the playpipe 13; Shifting state was shown in arrow X among Figure 22 under buoyancy aid mechanism 38 was at that time, and jug mechanism 36 also is raised state shown in arrow Y among Figure 22;

Again consult Figure 22 a, on the other hand, current E can arrive delivery port 14 along secondary valve intake antrum 6; Just having current F in the delivery port 14 flows out; Just have current G in the filling pipe 48 on the water out adapter 47 and flow out, just have current H in the outlet pipe 49 and flow out, the current G that from filling pipe 48, flows out can insert bedpan and be used for the bedpan moisturizing; The current H that from outlet pipe 49, flows out flows into water tank, and water tank gets into the water inlet state simultaneously;

Tandem double-valve device 66 outside each unit status of the present invention at that time are shown in figure 22, shown in the state of the resilient plug 56 of main valve and secondary valve and the spool of main valve and secondary valve and anti-siphon spool 51 such as Figure 22 a, Figure 22 b, Figure 22 c.

Again consult Figure 20, wait be a period of time after, after 3 to 8 seconds; Water in the jug mechanism 36 flows to end through the flowing water aperture 70 in the adjusting device 44 gradually; Owing to lost the gravity of water, jug mechanism 36 moves on will be owing to the elastic force effect that receives elastic body 71, and secondary valve relief hole 18 is closed; Auxiliary valve core moves down, and promptly secondary valve is closed;

Regulating wheel 45 in the device for regulating rotary 44 can open and close different flowing water apertures 70, promptly regulates the time that the water yield is flow to end in the jug mechanism 36, also promptly regulates the time of secondary opening of valves.

Each unit status of the outside of tandem double-valve device 66 of the present invention at that time is shown in figure 20; Buoyancy aid mechanism 38 is shifting state down; Jug mechanism 36 is raised state; Shown in arrow X arrow Y among Figure 20, shown in the state of the resilient plug 56 of main valve and secondary valve and the spool of main valve and secondary valve and anti-siphon spool 51 such as Figure 20 a, Figure 20 b, Figure 20 c.

So far, all parts of tandem double-valve device 66 of the present invention have all got into the water inlet state of initial water tank 64, have begun to get into the circulation of next round.

The specific embodiment two

Figure 26 and Figure 28 are consulted in contrast; Figure 27 and Figure 29 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; And in this specific embodiment two; Be that utilize elastic body 71 to be stretched elastic force that the back resilience restores rotates secondary valve cursor 34 to close secondary valve relief hole 18 and promptly closes secondary valve, except elastic body 71 changes with the positions of secondary valve cursor 34 relatively to some extent, all the other all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment three

Figure 26 and Figure 30 are consulted in contrast; Figure 27 and Figure 31 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; And in this specific embodiment three; Be that utilize elastic body 71 to be stretched elastic force that the back resilience restores rotates secondary valve cursor 34 to close secondary valve relief hole 18 and promptly closes secondary valve, except elastic body 71 changes with the positions of secondary valve cursor 34 relatively to some extent, all the other all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment four

Figure 26 and Figure 32 are consulted in contrast; Figure 27 and Figure 33 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; In this specific embodiment four; Also be to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve, except elastic body 71 changes with the positions of secondary valve cursor 34 relatively to some extent, remaining all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment five

Figure 26 and Figure 34 are consulted in contrast; Figure 27 and Figure 35 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; And in this specific embodiment five; Upper lateral part at secondary valve cursor 34 flexible plugs 56 has water holding box 72, utilize the gravity of water in the water holding box 72 that secondary valve cursor 34 is rotated to close secondary valve relief hole 18 promptly to close secondary valve, remaining all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment six

Figure 26 and Figure 36 are consulted in contrast; Figure 27 and Figure 37 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; And in this specific embodiment six; Side lower part at secondary valve cursor 34 flexible plugs 56 has water holding box 72, utilize the gravity of water in the water holding box 72 that secondary valve cursor 34 is rotated to close secondary valve relief hole 18 promptly to close secondary valve, remaining all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment seven

Figure 26 and Figure 38 are consulted in contrast; Figure 27 and Figure 39 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; And in this specific embodiment seven; Upper lateral part at secondary valve cursor 34 flexible plugs 56 has pouring weight 73, utilize the gravity of pouring weight 73 that secondary valve cursor 34 is rotated to close secondary valve relief hole 18 promptly to close secondary valve, remaining all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment eight

Figure 26 and Figure 40 are consulted in contrast; Figure 27 and Figure 41 are consulted in contrast, in the specific embodiment one, are to utilize elastic body 71 to be compressed elastic force that the back resilience restores secondary valve cursor 34 to be rotated close secondary valve relief hole 18 and promptly close secondary valve; And in this specific embodiment eight; Side lower part at secondary valve cursor 34 flexible plugs 56 has pouring weight 73, utilize the gravity of pouring weight 73 that secondary valve cursor 34 is rotated to close secondary valve relief hole 18 promptly to close secondary valve, remaining all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

The specific embodiment nine

In the specific embodiment one; Be provided with an anti-siphon valve; Whether the existence of anti-in fact siphon valve has not a particle of influence to the switching of major-minor valve; Mainly be for water supply pipe when the tap water cut-off can produce negative pressure, anti-siphon spool 51 moves down and covers anti-siphon valve intake antrum 4, gets in the valve the anti-siphon air channel 19 that air can be communicated with up and down from total valve gap 16 again; The negative pressure of water supply pipe generation can not play effect to playpipe 13 and outlet pipe 49 and filling pipe 48 like this, has guaranteed that like this water in water tank and the bedpan can be by suck-back; If do not consider above-mentioned factor; Can not prevent the siphon valve; On the basis of the specific embodiment one, if always remove anti-siphon spool 51 and on the valve gap 16 up and down the anti-siphon air channel 19 of connection block, anti-siphon valve like this has been equal to nothing; Anti-siphon valve intake antrum 4 has originally all become the communication passage of main valve water chamber 3 with secondary valve intake antrum 6 with anti-siphon valve water chamber 5; Just have only main valve in this sample specific embodiment nine and be attached thereto logical secondary valve, in this specific embodiment nine except above-mentioned removed anti-siphon spool 51 and blocked the anti-siphon air channel 19 that is communicated with up and down on total valve gap 16, remaining all parts all with the specific embodiment one in striking resemblances; Operating principle and step are also the same, here no longer repeat tiltedly to state.

Remark additionally:

First watertight shutter 33 is being set below the main valve cursor 29 and the purpose of second watertight shutter 23, the 3rd watertight shutter 24 and flowing water breach 26, flowing water breach 28 is being set on total valve gap 16; Though be to be that very little current can be blocked the back and flow out from flowing water breach 26, flowing water breach 28 by first watertight shutter 33, second watertight shutter 23, the 3rd watertight shutter 24, and be unlikely to flow into the following buoyancy aid jar 39 interior normal come-ups that influence buoyancy aid mechanism 38 for what when main valve relief hole 17, secondary valve relief hole 18 opened, flow out from their.

The purpose of the 4th watertight shutter 25 and flowing water breach 27 is set on total valve gap 16; Be to flow out from flowing water breach 27, and be unlikely to flow into the normal come-ups that influence buoyancy aid mechanism 38 in the following buoyancy aid jar 39 for the faint current that flow out from anti-siphon air channel 19 during through anti-siphon valve as current can be blocked the back by the 4th watertight shutter 25.

The purpose of mediation pin 54 all is set in the spool aperture 61 of main valve and secondary valve; Be for when spool moves up and down; Mediation pin 54 is relatively moved with spool aperture 61, play the effect of mediation spool aperture 61, spool aperture 61 is stopped up by dirt not too easily.

The valve class professional of the industry can change concrete internal construction of the present invention through the internal part that changes valve; As changing water inlet middle part water outlet around the major-minor valve among the present invention into, promptly conversely intake antrum and water chamber like water outlet around the middle part water inlet of common water intaking valve; Also can change concrete external structure of the present invention through the external component that changes valve, as being out of shape major-minor valve cursor and jug mechanism of buoyancy aid mechanism and one way valve, above-mentioned change all belongs to protection scope of the present invention.

Claims (10)

1. tandem double-valve device; Be installed on and make interior water inlet of water tank and promotion be discharged into the current in the closet in the tank for excrement pan from tank for excrement pan; It is characterized in that: comprise the water inlet pipe that connects external water source, the main valve that is connected with said water inlet pipe, the secondary valve that is connected with said main valve; The playpipe that is connected with said secondary valve; The delivery port of water outlet in water tank, said secondary valve control be to closet or closet bottom or blow-off line inlet bottom water spray, and said main valve control is to the tank for excrement pan water inlet and control the unlatching of said secondary valve;

Said main valve and said secondary valve include valve body, spool, valve gap, cursor; Place spool in the valve body, spool is divided into epicoele and cavity of resorption with valve inner, and said cavity of resorption comprises intake antrum and water chamber; Spool has the hole of up/down perforation, and valve gap is provided with the inside and outside relief hole that connects;

The water chamber of main valve and the intake antrum of secondary valve are connected, and playpipe is connected with the water chamber of secondary valve, on the water chamber that delivery port is positioned at main valve and the passage that the intake antrum of secondary valve is connected;

Said main valve also comprises buoyancy aid mechanism; Connected by cursor between buoyancy aid mechanism and the valve gap, cursor provides the sealing of hole thing, and this sealing of hole thing is along with the relief hole on the valve gap is optionally sealed or opens in the motion of cursor; Main valve is closed when the buoyancy aid mechanism of main valve floats, and is unlocked when floating downward;

Said secondary valve also comprises jug mechanism; The discharge orifice is arranged at jug mechanism bottom; Connected by cursor between jug mechanism and the valve gap, cursor provides the sealing of hole thing, and this sealing of hole thing is along with the relief hole on the valve gap is optionally sealed or opens in the motion of cursor; Secondary valve is closed when in the jug mechanism of secondary valve, moving, and is unlocked when moving down.

2. tandem double-valve device as claimed in claim 1 is characterized in that: said main valve also comprises the buoyancy aid jar, and the bottom of said buoyancy aid jar is provided with one way valve, and said buoyancy aid mechanism is placed in the said buoyancy aid jar; The resilient plug that is positioned at said main valve valve gap relief hole top is arranged, the rotating fulcrum that links to each other with the main valve valve gap, the jointing that is connected with buoyancy aid mechanism on the cursor of said main valve; The resilient plug that is positioned at said secondary valve valve gap relief hole top is arranged, the rotating fulcrum that links to each other with secondary valve valve gap, the jointing that is connected with jug mechanism on the cursor of said secondary valve;

With the rotating fulcrum is separation, and the cursor of said main valve and secondary valve is divided into both sides, and a side is called a side of flexible plug, and opposite side is called the side that jointing is arranged;

The resilient plug and the both sides of the said jointing that is connected with buoyancy aid mechanism of the said main valve valve gap relief hole top of said main valve cursor at the said rotating fulcrum that links to each other with the main valve valve gap; The both sides of the rotating fulcrum that the resilient plug of the said secondary valve valve gap relief hole top of said secondary valve cursor and the said jointing that is connected with jug mechanism link to each other at said and secondary valve valve gap.

3. tandem double-valve device as claimed in claim 1 is characterized in that: also comprise an anti-siphon valve in the said tandem double-valve device, said main valve, secondary valve, anti-siphon valve include, and valve body is positioned at the valve gap of valve body top, is arranged in the spool of valve body; Said spool is divided into epicoele and cavity of resorption with valve inner, and said cavity of resorption comprises intake antrum and water chamber; The intake antrum of said main valve is connected with said water inlet pipe; The water chamber of said main valve is connected with the intake antrum of said anti-siphon valve; The water chamber of said anti-siphon valve is connected with the intake antrum of said secondary valve, on the water chamber that delivery port is positioned at anti-siphon valve and the passage that the intake antrum of secondary valve is connected; The water chamber of said secondary valve is connected with said playpipe.

4. tandem double-valve device as claimed in claim 1; It is characterized in that: also comprise jug device protection cover; Said jug mechanism is placed in the said jug device protection cover; Said water inlet pipe is parallel with said playpipe, and said main valve is a buoyancy aid mechanism controls valve, and said secondary valve is a jug mechanism controls valve.

5. tandem double-valve device as claimed in claim 1 is characterized in that: but the adjusting device of the opening degree size of free adjustment discharge orifice is arranged in the discharge orifice of said jug mechanism bottom.

6. tandem double-valve device as claimed in claim 2 is characterized in that: said secondary valve cursor has the elastic body that cursor is rotated close said secondary valve valve gap relief hole.

7. tandem double-valve device as claimed in claim 2 is characterized in that: a side of the flexible plug of said secondary valve cursor has the water holding box that cursor is rotated close said secondary valve valve gap relief hole.

8. tandem double-valve device as claimed in claim 2 is characterized in that: a side of the flexible plug of said secondary valve cursor has the gravity block that cursor is rotated close said secondary valve valve gap relief hole.

9. closet; Comprise water tank and bedpan; It is characterized in that: be provided with in the water tank like each described tandem double-valve device in the claim 1 to 8; The water inlet pipe of said tandem double-valve device connects external water source, and delivery port is water outlet in water tank, and playpipe connects to bedpan or bedpan bottom or blow-off line bottom with flexible pipe.

10. closet water-saving method; It is characterized in that: each described tandem double-valve device in the claim 1 to 8 is installed in the water tank of closet; Connect external water source to water inlet pipe; Connect playpipe to bedpan or bedpan bottom or blow-off line inlet bottom with flexible pipe, at the beginning, anhydrous in the water tank of closet; May further comprise the steps:

A, the said relief hole of main valve valve gap is arranged to open, the said relief hole of secondary valve valve gap is arranged to close;

B, utilize external water source to supply water to water inlet pipe, make main valve continue to open, secondary valve continues to cut out, and current from water inlet pipe through stream main valve intake antrum, main valve water chamber, main valve water chamber and passage, delivery port that delivery port is connected mutually, enter into water tank;

C, along with water level in the water tank raises gradually, the water in the water tank, on the one hand; Gradually get in the jug mechanism from the discharge orifice of jug mechanism bottom; On the other hand, in the buoyancy aid jar, intake, utilize buoyancy aid mechanism to float and drive the relief hole that the main valve valve gap is closed in the rotation of main valve cursor; And then close main valve, and and then stop in water tank, to supply water;

D, open the drain assembly of closet,, flow in the closet to discharge the water in the water tank;

During drawdown in the e, water tank, the one-way valve opens of buoyancy aid pot bottom, the water in the buoyancy aid jar is discharged;

F, utilize the decline of buoyancy aid mechanism to drive the main valve cursor to rotate, open the said relief hole of main valve valve gap, thereby keep main valve to be in openable state; Utilize the in-house water of jug secondary valve cursor to be rotated as gravity, the said relief hole of open auxiliary valve valve gap, thus keep secondary valve to be in openable state;

G, utilize external water source to supply water to water inlet pipe once more, behind stream main valve intake antrum, main valve water chamber, wherein the passage, the delivery port that are connected mutually from main valve water chamber and delivery port of one current enters into water tank to current from water inlet pipe; The passage that another strand current are connected mutually from main valve water chamber and secondary valve intake antrum, secondary valve intake antrum, secondary valve water chamber, playpipe; Enter into bedpan or bedpan bottom or blow-off line bottom through flexible pipe then, the inflow bedpan that promotes to give off from water tank or the water of bedpan bottom or blow-off line bottom;

H, the in-house drainage speed of control jug; Water spraying time with the control playpipe; After reaching preset water spraying time, make secondary valve cursor revolution close the said relief hole of secondary valve valve gap thereby utilize to move in the loss jug mechanism of the in-house water of jug, thereby close said secondary valve; And

I, repeating step b are to step h.

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