CN2213760Y

CN2213760Y - Adjustable pressure type water-saving washing water tank

Info

Publication number: CN2213760Y
Application number: CN 95204400
Authority: CN
Inventors: 李军; 周永佳
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-03-18
Filing date: 1995-03-18
Publication date: 1995-11-29
Anticipated expiration: 2005-03-18

Abstract

The utility model relates to a pressure adjustable type water-saving flushing water tank, which overcomes the deficiencies that in the prior art, the flushing effect is not favorable and the water is splashed or sprayed out because the water pressure of the flushing water has great disparity. A reaction type pressure regulating valve is arranged on the water inlet of a sealed water tank, and a gravity float bowl which is used for regulating the discharging amount of the water or the lower limit of water pressure is arranged in the water tank. People can conveniently carry out manual setting to the pressure of the water tank at any time according to actual demand, so that stable flow velocity and flow rate can be ensured when the water flushes the articles such as a urinal, a bottle, a bowl, etc. Consequently, the best flushing effect is achieved under the condition of minimum water consumption.

Description

Adjustable pressure type water-saving washing water tank

But the utility model is an a kind of pressure-adjusting type water saving wc flushing cistern, and it belongs to the flushing device of be with water tank and the field of shearing device, particularly relates to the pressure adjusting of water tank and the automatic cut-out in water route.Its airtight water tank is communicated with water inlet pipe and outlet pipe, and cock of water drain is housed on outlet pipe.

A kind of pneumatically water-saving cistern is disclosed in CN 1066699A.Its purpose is to utilize the pressure flow entrapped air to come urinal or bottle, bowl etc. are washed to improve developing result and to save wash water.Formation is to adopt pressure vessel to replace wc flushing cistern, and establishes an inspiratory component on the communicating pipe between this pressure flushing cistern and urinal.Weak point is that the hydraulic pressure size of this vapour-pressure type wc flushing cistern is determined by municipal water supply pressure, because the fluctuation great disparity of municipal water supply pressure height is bigger, so when pressure of supply water was high, current were bigger, spray spatters outward when easily causing urinal to be rinsed; Then washing current when pressure of supply water is low not only can not entrapped air, causes flushing water outwards to be sprayed by inspiratory component on the contrary, so imagine unsatisfactory.For solving the problem that flushing water spatters outward, a kind of high-efficiency water-saving toilet stool syringe is disclosed in CN 2157233Y, its formation is to adorn a reducing valve in the water inlet of pressure vessel, but because the pressure of municipal water supply is discrepant at different places, different times, and the amplitude that changes is quite big, therefore to the pressure of supply water that can reach developing result originally by after the decay of reducing valve, can't realize washing purpose.

But being to avoid weak point of the prior art, the purpose of this utility model provides that a kind of hydraulic pressure can artificially be set, the controllable pressure-adjusting type water saving of washing water quantity wc flushing cistern.

The purpose of this utility model can reach by following measure: for setting the hydraulic pressure in the water tank, reaction type hydraulic pressure control valve is set between airtight water tank and water inlet pipe.The structure of this hydraulic pressure control valve is that an end of valve body is equipped with and is used for the pressure adjustment screw of hydraulic pressure in the regulating tank, the other end be equipped be communicated with water tank, in the hydraulic pressure control valve transmits water tank the pressure feedback water pipe of existing pressure and the ripple seal that is connected with this feedback water pipe, the middle part of valve body has water inlet, delivery port, be provided with closed mouthful that turn-offs the water supply water route by the flow through path of body cavity of this intake-outlet, the effective area of this closure mouth is less than the cross section effective area of ripple seal; In the inner chamber of valve body, be equipped with and run through closed mouthful spool, between one end of this spool and pressure adjustment screw by spring Elastic Contact mutually, the other end offsets with the ripple seal and contacts, the closing face that is complementary with closed mouth is arranged on the spool, this face is subjected to the interaction of the next power of elastic force, intake pressure and the transmission of ripple seal of spring, whether closes this closure mouth with decision; Assemble movingly mutually to guarantee entering the water of valve body by seal between spool and the body cavity not to external leakage.For making hydraulic pressure in the water tank keep certain lower limit and to the control of washing water quantity size, the gravity floating drum is housed in airtight water tank, this gravity floating drum is connected with cock of water drain by connecting line, when the water yield in the water tank was reduced to a limited amount, the gravity floating drum drew cock of water drain to change by line and closes.

The purpose of this utility model can also reach by following measure: can fast and effeciently close when setting value for the hydraulic pressure of hydraulic pressure control valve in airtight water tank is reached, in the hydraulic pressure control valve, be provided with damper, this damper is that the damping seat that has protruding oblique shoulder is placed between spool and the ripple seal, protruding oblique shoulder portion on the damping seat offsets with the damping top and contacts, said damping top and damping regulating spring, damping adjustment screw constitute the damping regulating part jointly, they be installed in the corresponding valve body of the protruding oblique shoulder portion of damping seat on.Problem for drops in the solution airtight water tank is after discharging water, pressure accumulation of energy part can be set in airtight water tank, the inner bottom part that this accumulation of energy part is the sealed soft shell is provided with the pressure transmitting plates of rigidity, be provided with pressure accumulation of energy part between the internal upper part of pressure transmitting plates and shell, optional spring of pressure accumulation of energy part or sponge.Be the convenience and adaptation people custom in the use, discharging valve in the cock of water drain and keying wheel branch are arranged, and constitute one by the solderless wrapped connection of flexible drive parts phase between them.

The utility model has the following advantages compared to existing technology:

1. the hydraulic pressure in the water tank can be set according to actual needs and artificially, and can adjust easily at any time;

2. no matter how pressure of supply water changes, and can guarantee that all the pressure in the water tank is that weighing apparatus is pressed under less than water supply surge pressure setting value, thereby the flow velocity of water is a certain value when having guaranteed to discharge water;

3. what of washing water quantity can artificially be controlled, and because hydraulic pressure is steady, so current also are constant in the unit interval, thereby the steady quality that makes flushing is suitable for the use in industrialization;

4. can under the situation of minimum water supply volume, obtain best developing result because These characteristics makes, also promptly have the advantage of water saving;

5. to installation site, highly all no requirement (NR)s, and use also convenient.

Describe concrete structure of the present utility model and working condition in detail below in conjunction with accompanying drawing.

Fig. 1 is a kind of basic structure schematic diagram of the present utility model.

Fig. 2 is a kind of basic structure schematic diagram of hydraulic pressure control valve among Fig. 1.

Fig. 3 is a kind of basic structure schematic diagram of Pressure energy accumulator.

With reference to Fig. 1, Fig. 2 and Fig. 3, adjutage 10 is equipped with in the bottom of airtight water tank 2, and discharging valve 1 is equipped with at adjutage 10 places in the water tank 2, and valve 1 takes turns 5 around knot through flexible drive parts 3 and keying.Open and close on the wheel 5 tie line 6 also is housed, the other end of this line 6 and gravity floating drum 7 are connected.Also be provided with Pressure energy accumulator 4 in the airtight water tank 2, this accumulator 4 is provided with spring 41 for the internal upper part of sealed soft shell 43 is provided with the pressure transmitting plates 42 of rigidity between the internal upper part of pressure transmitting plates 42 and shell 43.Be serially connected with reaction type hydraulic pressure control valve 8 between airtight water tank 2 and the water inlet pipe 9, one end of the valve body 85 of this valve 8 is equipped with pressure adjustment screw 81, the other end is equipped with pressure feedback pipe 811 that is connected with water tank 2 and the ripple seal 89 that is connected with this pipe 811, the middle part of valve body 85 has water inlet 813, delivery port 814, is provided with closed mouthful 812 that turn-offs the water route by the flow through path of valve body 85 inner chambers of this entery and delivery port (813,814).In the inner chamber of valve body 85, be equipped with and run through closed mouthful 812 spool 83, one end of this spool 83 passes through spring 82 Elastic Contact mutually with 81 of pressure adjustment screw, the other end offsets by the damping seat 810 that has protruding oblique shoulder with ripple seal 89 and contacts, and the protruding oblique shoulder portion of damping seat 810 offsets with damping top 88 again and contacts.This damping top 88 and damping regulating spring 87, damping adjustment screw 86 be common to constitute the damping regulating parts, they be placed in the corresponding valve body 85 of damping seat 810 protruding oblique shoulder portions on.On spool 83, have and closed mouthful 812 closing faces that are complementary 815.Assemble movingly mutually by seal 84 between spool 83 and valve body 85 inner chambers.

During use, at first regulate pressure adjustment screw 81 to set the hydraulic pressure in the airtight water tank 2, this moment, water entered water tank 2 by water inlet pipe 9 because the effect of water tank 2 interior no hydraulic pressure and spring 82 makes closing face 815 leave closed mouthful 812, and the path of water inlet is opened.When the hydraulic pressure in the water tank 2 slowly raise, its pressure was passed to damping seat 810 by pressure feedback pipe 811, ripple seal 89 and then promotes elastic force that spool 83 overcomes spring 82 with intake pressure and desire is closed mutually with closed mouthful 812 with closing face 815.Continuous rising along with pressure in the water tank 2, damping seat 810 constantly overcomes the lateral resistance of damping top 88 and moves past protruding oblique shoulder portion gradually under the promotion of ripple seal 89, in short time after crossing protruding oblique shoulder portion, spool 83 moves to pressure adjustment screw 81 directions fast, thereby it is fast that closing face 815 is inconsistent and close into water path with closed mouthful 812, how to change no matter guarantee pressure of supply water, the hydraulic pressure in the water tank 2 is unaffected.When rotation keying wheel 5 discharges water, minimizing along with water in the water tank 2, hydraulic pressure also can descend to some extent, when the pressure of water during less than the set upper pressure limit of pressure adjustment screw 81, closing face 815 is separated with closed mouthful 812, water inlet pipe this moment is the partial pressure of amount of makeup water to cover the loss in water tank just, while Pressure energy accumulator 4 also the water release pressure energy in water tank 2 so that the speed of the variation in water pressure in the water tank 2 and amplitude slow down.Minimizing along with the water yield in the water tank 2, gravity floating drum 7 also moves down gradually, when moving to a certain position (by the length decision of gravity floating drum 7) with the connecting line 6 that opens and closes wheel 5, when that is to say the lower limit of hydraulic pressure in the water supply volume of artificial setting or the water tank 2, floating drum 7 drives to open and close wheel 5 and then drag discharging valve 1 and closes.So go round and begin again, the hydraulic pressure in the water tank 2 is remained in certain scope.

Claims

1, but a kind of pressure-adjusting type water saving wc flushing cistern comprises the airtight water tank (2) that is communicated with water inlet pipe (9) and outlet pipe (10), on the outlet pipe (10) in the said airtight water tank (2) cock of water drain is housed, and it is characterized in that:

A. between airtight water tank (2) and water inlet pipe (9), reaction type hydraulic pressure control valve (8) is set, said hydraulic pressure control valve (8) is equipped with pressure adjustment screw (81) for an end of valve body (85), the other end is equipped with pressure feedback pipe (811) that is connected with water tank (2) and the ripple seal (89) that is connected with this pipe (811), the middle part of valve body (85) has water inlet (813), delivery port (814), advancing by this, delivery port (813,814) the flow through path of valve body (85) inner chamber is provided with closed mouthful (812), be equipped with the spool (83) that runs through closed mouthful (812) in the inner chamber of valve body (85), between one end of this spool (83) and pressure adjustment screw (81) by spring (82) Elastic Contact mutually, the other end offsets with ripple seal (89) and contacts, the closing face (815) that is complementary with closed mouthful (12) is arranged on the spool (83), and spool (83) assembles by seal (84) mutually movingly with valve body (85) inner chamber;

B. in the sealing radiator (2) gravity floating drum (7) is housed, said gravity floating drum (7) is connected by line (6) and cock of water drain.

2, water tank according to claim 1, it is characterized in that also being provided with damper in the hydraulic pressure control valve (8), said damper is that the damping seat (810) that has protruding oblique shoulder is placed between spool (83) and the ripple seal (89), the protruding oblique shoulder portion of this damping seat (810) offsets with damping top (88) and contacts, the damping regulating part is formed jointly with damping regulating spring (87), damping adjustment screw (86) in said damping top (88), and this damping regulating part is arranged on the corresponding valve body in protruding oblique shoulder place (85) with damping seat (810).

3, water tank according to claim 1 and 2, it is characterized in that being provided with in the airtight water tank (2) Pressure energy accumulator (4), said Pressure energy accumulator (4) is provided with pressure accumulation of energy part (41) for the inner bottom part of sealed soft shell (43) is provided with the pressure transmitting plates (42) of rigidity between the internal upper part of pressure transmitting plates (42) and shell (43).

4, water tank according to claim 3 is characterized in that pressure accumulation of energy part (41) is a spring.

5, water tank according to claim 1 is characterized in that cock of water drain is that the discharging valve (1) that branch is arranged is taken turns (5) by flexible drive parts (3) solderless wrapped connection binding mutually with opening and closing.