CN2883520Y - Pressure cistern - Google Patents

Abstract

The utility model relates to a pressure tank, which at least comprises a tank body, an air inlet valve, a water inlet valve, a drain valve and a switch valve; wherein, the drain valve comprises a valve base positioned at the top of the tank body, an upwards-movable piston assembly arranged through the center of the valve base and an elastic element arranged between the piston assembly and the valve base. Besides, the pressure water diverted into the tank body through the air inlet valve from the water inlet valve can be stored at the switch valve part, and can be diverted into the cavity formed by the piston assembly and the valve base by the switch valve to force the piston assembly to overcome the elasticity of the elastic element and the water pressure and move upward and leave the discharge outlet of the tank body and produce the flushing movement. Therefore, the utility model has the advantages of simple overall structure and easy assembly, drain misoperation resistance, saving water and good flushing efficiency.

Description

Pressure water tank

[technical field]

The utility model is to utilize the importing of hydraulic pressure to force draining valve to be opened to produce towards the pressure water tank of draining action about a kind of.

[background technology]

Known flush toilet adopts the bath mode of gerotor type more, promptly utilize water under deadweight and height of water effect, toilet to be washed, yet, this bath mode is because the weight and the drop of water are limited, cause intensity of washwater not enough, and a large amount of water of needs use can be clean with flush toilets, for water resource day by day deficient today, the real practice that need be more economic, edge this, have the pressure water tank structure to come out, it mainly is to utilize the tank body of putting into a sealing in the water-closet tank, and installs a draining valve in tank body, when the water of outside injects tank body, air in the water tank is compressed, and then accumulates the pressure energy in case, when desire is washed by water to toilet, release the press water in the draining valve, piston in the draining valve is risen so that the outfall of water tank is opened, and the pressure of being accumulated in the tank body this moment can produce powerful flushing ability when discharging, more clean to guarantee flushing, thoroughly.And this bath mode is when work, not only lean on the action of gravity or the siphonage of water, also dirt is released the blow-off line of toilet by the power that produces in the system, therefore, use a spot of water just can reach good developing result, as No. 4233698 patent of the U.S., promptly be a kind of typical pressure water tank structure, this pressure water tank includes tank body, water inlet inlet duct, draining valve, control valve and the water intaking valve of supplementary pressure in draining valve.

Yet known pressure water tank still has following shortcoming:

1. this draining valve is opened start moment, owing to have only the inner a spot of water storage of draining valve down to wash, so moment is washed the power deficiency, causes developing result not good.

2. its draining valve must down be pushed start through the press section on top, the draining valve inner storing water is down flowed out, can wash action, owing to must overcome the powerful elastic-restoring force of draining valve internal compression spring when pushing, so push initial phase when effort, it is very not convenient to operate.

Secondly, though No. 2004/0194200 patent of US publication, it is systems that exposure has the two flush operation of another kind of pressing aid formula, can solve above-mentioned shortcoming, but for satisfying two kinds of flushing functions, unitary construction is quite complicated, cause quite inconvenience of assembling, and need higher production and assembly cost, damaging fault rate also increases relatively, simultaneously, the draining valve of the two flush operation systems of this pressing aid formula, be to utilize press water to import in the draining valve, make piston press down the outfall of sealing radiator body after, carry out the moisturizing of hydraulic pressure body again, so the moisturizing time-histories after each flushing is longer, increased for 10 seconds than general pressure water tank approximately, cause former user or the next user must wait for one period long period, can wash by water again; In addition, because the flushing operation of this pair flush operation system, be by letting out except that the press water in the draining valve, make internal piston break away from outfall and reach the effect of flushing toward top offset, therefore, when breakage or leakage appearred in the pressure relief pipe of communicated drainage valve, this draining valve can be similarly toward top offset, cause the misoperation of auto-flushing, cause the waste of water resource in rain.

[utility model content]

The purpose of this utility model is to be to provide a kind of pressure water tank, this pressure water tank is simplified, saves the effect of assembly element and manufacturing cost except reaching structure, the pipeline of press water is damaged to be leaked even import, can not produce self-draining misoperation yet, and can prevent water resource waste, also have water-saving, moisturizing time weak point and the good advantage of drainage effect simultaneously.

In order to achieve the above object, the utility model provides a kind of pressure water tank, it is characterized in that: include at least:

One tank body has a room, can be in order to holding press water, and the top predetermined position is provided with a water inlet, a port and a pressure relief opening, and be provided with an outfall in the bottom, and the press water that holds in order to discharge;

One admission valve can make outside air introduce in the room from the water inlet of this tank body together with press water;

One water intaking valve can be sent to press water this admission valve, and can prevent the press water adverse current;

One draining valve has a valve seat, a piston component and a flexible member; This valve seat is the port position that is mounted on the pressure water tank top; This piston component is to place to be limited in the valve seat, and is formed with a chamber between the two; This flexible member is to be installed between valve seat and piston component, can borrow its elastic force to force piston component toward bottom offset, with the outfall of sealing radiator body bottom, this chamber can import for press water, force the outfall of piston component, make outfall be opening toward top offset disengaging tank body;

One switch valve can be accumulated the press water that flows out from the tank body pressure relief opening, and can supply switching manipulation, imports so as to controlled pressure water in the chamber of this draining valve.

Described pressure water tank wherein also is connected with a constant pressure valve between this water intaking valve and admission valve, close the water route when making hydraulic pressure surpass predetermined pressure.

Described pressure water tank, wherein this constant pressure valve also includes:

One front valve shell has a room, and this room end provides an outlet that is communicated in admission valve, and sidewall provides an inlet that is communicated in water intaking valve;

One rear valve body is to be fixed in the front valve shell rear end;

One rear seal-cover is to be sealed in the rear valve body rear end;

One valve rod is the inside that is installed in forward and backward valve body, and can suitably seal the outlet of front valve shell by front end;

One compression spring is to be installed between valve rod rear end and rear valve body, can borrow its elastic force that valve rod is passed the outlet that breaks away from front valve shell backward, makes to export under normal state to be held open state.

Described pressure water tank wherein also is connected with a relief valve between this constant pressure valve and admission valve, open when making hydraulic pressure surpass predetermined pressure to sluice.

Described pressure water tank, wherein the outfall bottom of this tank body is provided with a screw-jointing seat, and this screw-jointing seat sidewall offers a port, is equiped with a spilling water valve on it, but this port of unidirectional blocking.

Described pressure water tank, wherein this this spilling water valve has one and can seal the capping of establishing port, and this capping is provided with several spout holes, and the passage port of capping inboard is pivoted with a unidirectional baffle plate, can be toward each spout hole of outer closure capping, and can be pivoted toward interior effect, make each spout hole open-minded.

Described pressure water tank, wherein this water intaking valve also includes:

Valve member on one;

Valve member once is to be fixed in the valve member bottom, and central authorities run through and are formed with a water channel;

One movable valve rod is to be placed between upper and lower valve member inside, and end has a tapering, can suitably seal down the water channel medial extremity of valve member, and its head end also has a plane that acts on can be for the press water adverse current time.

Described pressure water tank, body that wherein should the activity valve rod is to be made into integration by plastic material, and the head end part is coated with a metal material layer.

Described pressure water tank, wherein this admission valve also includes:

One valve body has the inlet, an outlet and the blow vent that are interconnected;

One diaphragm type ring taps is to be installed in the blow vent, and is formed with a ring-type diaphragm on every side, but one-way sealing blow vent internal perisporium, and can be subjected to inside and outside pressure differential effect generation flexible deformation to be condensed state, and form the gap with the blow vent perisporium;

One loam cake be that envelope is established on the blow vent that is fixed in valve body, and roof has provided at least one pore, makes outside air suck valve inner through ring-type diaphragm peripheral clearance from pore, imports in the room of tank body via outlet again.

Described pressure water tank, wherein the blow vent central authorities of this valve body also run through and are formed with a less air flue, and be provided with four at interval ribs each other in blow vent bottom perisporium one, and define a notch between each rib respectively, make passage ring-type diaphragm outside air on every side flow into valve inner via each notch and central airway.

Described pressure water tank, wherein this switch valve also includes:

One valve body, the one end is formed with a valve chamber, and this valve chamber perisporium provides one can be communicated to the room of tank body for the inlet of press water importing, and is formed with an outlet in the valve chamber end, can be communicated to draining valve;

One valve rod is that the embedding cunning is sealed in the valve chamber, and is equiped with a compression spring between rear end and valve body opposed inner walls, can borrow its elastic force that valve rod is passed forward, makes the valve rod front end can support the outlet that only is sealed in valve body;

The leader is to be hubbed at the valve body end in addition of outlet relatively, stirs the outlet that valve rod breaks away from valve body in the time of can supplying the switching start backward.

Described pressure water tank, wherein this handle further includes leader's body, can be hubbed at the valve body end in addition of outlet relatively by an axle, for the switching start, and be connected with one on the axle and stir rotating disk, this is stirred the rotating disk inboard and convexes with one and stir post, valve rod can be stirred backward the outlet that breaks away from valve body.

Described pressure water tank, wherein the flexible member of this draining valve is a compression spring.

Described pressure water tank, wherein the piston component of this draining valve also includes:

One piston rod, its bottom is formed with a bar portion of running through valve seat, but the top be formed with one than major diameter and caulked in the piston portion of valve inner, make between piston portion bottom and valve seat inside and can define this chamber, and, this piston portion is penetrated with a runner, and at least one notch that can see through the top perisporium setting of bar portion is connected with chamber;

One piston top cover is to be fixed in the piston portion top, has provided a runner on it, and these runner two ends are communicated to the runner top of switch valve and piston portion respectively, the runner of press water via piston portion can be imported in the chamber;

One tubular spring base is the bar portion bottom that is fixed in piston rod;

One compression spring is to be sheathed in the bar portion of piston rod, and two ends support fastening respectively and be positioned between valve seat and spring base top, can down act on spring base by means of its elastic force, and then the interlock piston rod;

One tubular blocking seat is to be fixed in the spring base bottom, and the nested seal that is positioned with of its perisporium predetermined position can suitably support the outfall of ending the sealing radiator body.

Described pressure water tank, wherein this blocking seat inside is formed with and is criss-cross separation rib, can separate out four groove districts, and the sidewall predetermined position in these groove districts respectively offers a notch, and these notches all are positioned at the seal below.

Described pressure water tank, wherein the sealing part is a leakage washer.

In sum, the utility model mainly provides a kind of pressure water tank, includes a tank body, an admission valve, a water intaking valve, a draining valve and a switch valve at least; Wherein, this draining valve has a valve seat, that is installed on the tank body top and places and be limited in the piston component that valve seat central authorities can up be passed, an and flexible member that is installed on piston component and valve base chamber, in addition, should import the press water of tank body from water intaking valve via admission valve, can accumulate in the switch valve position, and can be through the control of switch valve, press water is imported in the chamber that piston component and valve seat form between the two, force piston component to overcome the elastic force and the hydraulic pressure of flexible member, and the outfall that breaks away from tank body toward top offset is to produce flush action.

Pressure water tank provided by the utility model adopts the mode that imports hydraulic pressure to force piston component to break away from the structure design of tank body outfall toward top offset, it is compared to the pressure release mode of known employing, simplify, save the effect of assembly element and cost except that reaching structure, the pipeline of press water is damaged to be leaked even if import, also can not produce self-draining misoperation, and can prevent water resource waste, the whole characteristic that also can possess pressure water tank tool water-saving, short and good drainage effect of moisturizing time.

[description of drawings]

Fig. 1 is overall appearance figure of the present utility model.

Fig. 2 is a whole generalized section of the present utility model.

Fig. 3 is the sectional perspective exploded view of the utility model pressure water tank.

Fig. 4 is the three-dimensional exploded view of the utility model water intaking valve.

Fig. 5 is the combination section of the utility model water intaking valve.

Fig. 6 is the three-dimensional exploded view of the utility model constant pressure valve.

Fig. 7 is the combination section of the utility model constant pressure valve.

Fig. 8 is the three-dimensional exploded view of the utility model relief valve.

Fig. 9 is the combination section of the utility model relief valve.

Figure 10 is the three-dimensional exploded view of the utility model admission valve.

Figure 11 is the combination section of the utility model admission valve.

Figure 12 is the three-dimensional exploded view of the utility model draining valve.

Figure 13 is the combination section of the utility model draining valve.

Figure 14 is the three-dimensional exploded view of the utility model switch valve.

Figure 15 is the combination section of the utility model switch valve.

Figure 16 is the sealing state schematic diagram of the utility model draining valve.

Figure 17 is the switching illustrative view of the utility model switch valve.

Figure 18 is the unlatching bath view of the utility model draining valve.

Figure 19 is the air inlet view of the utility model admission valve.

Figure 20 is the non-return view of the utility model water intaking valve.

[specific embodiment]

At first, see also Fig. 1,2, a kind of pressure water tank preferred embodiment of the present utility model, this pressure water tank includes a tank body 10, a water intaking valve 20, a constant pressure valve 30, a relief valve 40, an admission valve 50, a draining valve 60 and a switch valve 70.This tank body 10 is to be placed in water-closet tank (not shown) inside, this water intaking valve 20 is to be fixed in the water-closet tank lower left, and be connected with water system pipes, see through constant pressure valve 30 behind this water intaking valve 20 more in regular turn, relief valve 40, admission valve 50 is connected to tank body 10, and admission valve 50 is to be positioned at tank body 10 upper right side, this switch valve 70 is to be fixed in the water-closet tank upper left side, and be connected with tank body 10,60 of this draining valves run through and are fixed in tank body 10 central parts, and be connected with switch valve 70, below be to be described at above-mentioned member:

This tank body 10, see also Fig. 2,3, be by the high strength material made airtight container good with stability, its inside is formed with a room 11, can be in order to hold press water, and the top appropriate location is provided with a water inlet 12, one port 13 and a pressure relief opening 14, and be provided with an outfall 15 in the bottom, the press water that can hold in order to discharge, simultaneously, these outfall 15 bottoms are provided with a hollow screw-jointing seat 16, can run through and be linked to the water-closet tank bottom, and supplying the press water of flushing to pass through, the sidewall of this screw-jointing seat 16 has more provided a port 161, can be for a spilling water valve 17 is installed, this spilling water valve 17 includes a capping 171, can seal port 161 places that are located at screw-jointing seat 16, and which is provided with several spout holes 172, simultaneously, interior side port 161 places of this capping 171 are pivoted with a unidirectional baffle plate 173, can also can open toward outer closure capping 171 inboard each spout hole 172, make spout hole 172 be opening state toward interior pivot.

This water intaking valve 20 sees also Fig. 4,5, is to include on one valve member 21, one and the solid following valve member 22 of last valve member 21 mutual spiral shells, and a movable valve rod 23 that is installed between upper and lower valve member 21,22 inside; Wherein:

Should go up valve member 21 and have an inner flow passage 211, and be formed with a union 212 in free end, these union 212 inside are formed with the outlet 213 of a connection runner 211, can be connected with constant pressure valve 30, go up in addition valve member 21 inner flow passages 211 and be formed with a larger-diameter locating slot 214, and cut open in the screw lock end perisporium and to be provided with several flow-guiding mouths 215 and to be connected with the runner 211 of locating slot 214 inboards at screw lock end;

This time valve member 22 has an inner flow passage 221, and this runner 221 is formed with an inlet 222 at free end, and in addition end is formed with a taper hole 223, and periphery wall has external screw thread 224, can be fixed on the water-closet tank;

This activity valve rod 23 coats a metal material layer 232 and is formed by be shaft-like body 231 head ends without exception, this body 231 is to be made into integration by plastic material, and the terminal tapering 233 that is taper that is formed with, this head end that is coated with metal material layer 232 then has a plane 234, wherein, these piston valve spindle 23 head end planes 234 can up be replaced in the locating slot 214 that is positioned valve member 21 by the pressure water action of water system, and press water can be via the inlet 222 that descends valve member 22 through runner 221, taper hole 223, last each flow-guiding mouth 215 of valve member 21 screw lock ends and runner 211 flow to outlet 213, and when press water exports 213 adverse currents certainly, can act on piston valve spindle 23 head end planes 234, make terminal tapering 233 toward bottom offset and to only sealing close taper hole 223.

This constant pressure valve 30, see also Fig. 6,7, be to include the valve rod 34 that rear seal-cover 33, that rear valve body 32, that a front valve shell 31, is fixed in front valve shell 31 rear ends is sealed in rear valve body 32 rear ends is installed in forward and backward valve body 31,32 inside, and a compression spring 35 that is installed in 32 of valve rod 34 rear ends and rear valve bodies; Wherein, this front valve shell 31 has a room 311, these room 311 ends have provided an outlet 312, can be connected with relief valve 40, and in sidewall provided one the inlet 313, can be connected with water intaking valve 20, these valve rod 34 front ends are formed with a tapering 341 in addition, these tapering 341 perisporiums are provided with a seal 342 that can be the leak-stopping ring, make the elastic force effect displacement backward of spring 35 by compression of valve rod 34 front end taperings 341, and the outlet 312 of disengaging front valve shell 31 makes outlet 312 be opening, simultaneously, when the hydraulic pressure that comes from inlet 313 surpasses predetermined pressure, this valve rod 34 can overcome the elastic force displacement forward of compression spring 35, make the seal 342 in front end tapering 341 support only sealing outlet 312, and reach the level pressure effect.

This relief valve 40, see also Fig. 8,9, be to include a valve seat 41, a spiral shell to establish the valve rod 43 that the upper shield 42, that is fixed on the valve seat 41 is installed in 42 of the inner and upper shields of valve seat 41, and one is set on the valve rod 43 and an end is resisted against the compression spring 44 of upper shield 42; Wherein, these valve seat 41 inside have a runner 411, this position, runner 411 2 end respectively is formed with a union 412, can be connected with constant pressure valve 30 and admission valve 50 respectively, and valve seat 41 tops are provided with a groove 413, these groove 413 central authorities have provided a port 414 and have been connected with runner 411, this valve rod 43 is the elastic force effect of spring 44 by compression, force the bottom to be supported and only be sealed in port 414 tops, when the hydraulic pressure by relief valve 40 surpasses predetermined pressure, this hydraulic pressure can up push against Operating valve rod 43 bottoms, makes valve rod 43 overcome the past top offset of elastic force of compression spring 44, allows port 414 be opened and produces pressure release.

This admission valve 50 sees also Figure 10,11, is to include a valve body 51, a diaphragm type ring taps 52 and a loam cake 53; Wherein:

These valve body 51 sidewalls are equipped with the union 512 of tool inlet 511, and the bottom is communicated with an outlet 513, this exports 513 inside and has internal screw thread 514, can with tank body 10 water inlets 12 outer end bolts, valve body 51 tops are concaved with a blow vent 515 in addition, these blow vent 515 central authorities run through be formed with an air flue 516 than minor diameter be communicated in the inlet 511 with the outlet 513, these blow vent 515 bottom perisporiums more one are provided with four ribs 517 at interval each other, make 517 on two adjacent ribs can define a notch 518 respectively, blow vent 515 outsides are formed with a screwed pipe 519 in addition;

This diaphragm type ring taps 52 has a ring wall 521, after making it insert in the blow vent 515, can replace the roof that is positioned each rib 517 by ring wall 521 root edges, simultaneously, down one is oblique around these ring wall 521 tops is extended with one and is the diaphragm 522 of ring taper and tool flexible deformation characteristic, but make this diaphragm 522 under normal conditions elasticity support and only seal blow vent 515 internal perisporiums;

This loam cake 53 can be fixed on the screwed pipe 519, and there is a reference column 531 in roof bottom surface central authorities down projection, the ring wall 521 that can run through orientation film chip ring taps 52, and compress diaphragm seal chip ring taps 52 end faces, simultaneously, these loam cake 53 roofs are provided with several pores 532, when making external air pressure form pressure differential greater than valve body 51 internal pressures, diaphragm 522 around this pressure differential effect diaphragm type ring taps 52, make it be condensed state toward interior flexible deformation, and then produce the gap with blow vent 515 inwalls, make the outside air can be from loam cake 53 each pore 532 in regular turn via this gap, notch 518 that each rib is 517 and central airway 516 suck valve body 51 inside, and suitably mix the back from exporting in 513 importing tank bodies, 10 internal capacity room 11 with water.

This draining valve 60 sees also Figure 12,13, is to include a valve seat 61, a piston component 601 and a flexible member 66; Wherein:

This valve seat 61 is to be class's tubular, its top can be fixed at top port 13 positions of tank body 10, and the bottom is extended with a draw 611, and in addition valve seat 61 tops are formed with a groove 612, and these draw 611 inside are formed with the groove that stretches through and are connected with groove 612 bottoms;

This piston component 601 is further to include a piston rod 62, a piston top cover 63, a spring base 64 and a blocking seat 65;

These piston rod 62 bottoms are formed with a bar portion 621, the groove that stretches through that can down run through valve seat 61, and the top is formed with a larger-diameter piston portion 622, these piston portion 622 perisporiums are embedded with a seal 623 that can be leakage washer, but caulked is sealed in groove 612 internal faces of valve seat 61, and make 612 of the grooves of piston portion 622 and valve seat 61 be defined a chamber 624, simultaneously, be penetrated with a first flow 625 on this piston portion 622, several notches 626 that this first flow 625 can see through the 621 top perisporiums formation of bar portion are connected with chamber 624;

This piston top cover 63 can be fixed in piston portion 622 tops of piston rod 62, which is provided with one second runner 631, this position, second runner, 631 2 end respectively is formed with a union 632, the union 632 that is positioned at second runner, 631 bottoms just can be pegged graft mutually with the first flow 625 of piston rod 62, the union 632 that other is positioned at second runner, 631 tops is to be connected in switch valve 70, the press water that comes from switch valve 70 can be imported in the chamber 624, so as to the apply piston portion 622 that up exerts pressure, make piston rod 62 up be promoted displacement;

This spring base 64 is to be tubular structure, and with the bar portion 621 bottom Joints of piston rod 62, and spring base 64 tops are formed with a spring locating slot 641;

This blocking seat 65 is to be tubular, and be fixed at spring base 64 bottoms, and the perisporium appropriate location is embedded with a seal 651 that can be leakage washer, make blocking seat 65 with spring base 64 behind the bottom offset preset distance, its perisporium seal 651 just can support the outfall 15 that only is sealed in tank body 10, make outfall 15 be closed state, in addition, these blocking seat 65 inside more are formed with and are criss-cross separation rib 652, can separate out four groove districts 653, these groove district 653 perisporiums below seal 651 respectively offer a notch 654, make blocking seat 65 perisporium seals 651 break away from outfall 15 when being opening with spring base 64 toward top offsets, these tank body 10 pressure inside water just can self-styled each notch 654 of obturating plug 65 perisporiums enter in the toilet outward through groove district 653 washes by water;

This flexible member 66 can be the compression spring, its top is the draw 611 outsides that are set in valve seat 61, the bottom is then nested to be positioned in the spring locating slot 641 of spring base 64, can borrow down pushing and pressing effect spring base 64 of its elastic force, make piston rod 62, piston top cover 63 and the blocking seat 65 of mutual binding all can force blocking seat 65 to support the outfall 15 of ending sealing radiator body 10 with spring base 64 toward bottom offset.

This switch valve 70 sees also Figure 14,15, is to include a valve body 71, leader 72, a valve rod 73 and a compression spring 74; Wherein:

These valve body 71 1 distolateral limits are formed with a valve chamber 711, and the sidewall of this valve chamber 711 is provided with an inlet 712, can please cooperate and consult Fig. 2 for the pressure relief opening 14 that is connected to tank body 10, and its end then is provided with an outlet 713, can be connected to second runner 631 of draining valve 60;

This handle 72 has leader's body 721, can be hubbed at the in addition end of valve body 71 relative valve chambers 711 by an axle 722, for the switching start, and is connected with one on the axle 722 and stirs rotating disk 723, and this is stirred rotating disk 723 inboards and convexes with one and stir post 724;

This valve rod 73 is to be installed in the valve chamber 711, and valve rod 73 is before relative valve body 71 inlets 712, rear side perisporium place, be to be embedded with a seal 731 that can be leakage washer respectively, end seal valve chamber 711 and the position that is communicated with that exports 713 and can support by front seal part 731, relend by rearward seal 731 and support the inside wall that ends seal valve chamber 711, in addition, these valve rod 73 rearward end more are concaved with a slot part 732, and be formed with one in slot part 732 rear sides and support end wall 733, making this support wall 733 is only stirred the post 724 of stirring of rotating disk 723 and is suitably supported when only stirring, valve rod 73 can be passed start backward, force valve rod 73 preceding side seal confidential paper 731 to break away from the outlet 713 of valve chambers 711, order is from tank body 10 pressure inside water, valve chamber 711 sidewalls of can flowing through in regular turn inlet 712, valve chamber 711 peripheral clearances and export 713, import again in second runner 631 of draining valve 60, so as to action piston assembly 601;

This compression spring 74 is to be positioned between valve rod 73 rear ends and valve body 71 opposed inner walls faces, can borrow its elastic force that valve rod 73 is passed forward, to support the outlet 713 that ends seal valve chamber 711, makes outlet 713 can keep closed state under normal conditions.

By for further understanding the effect that the utility model structural feature, application technology means and institute's expection are reached, now the utility model mode of occupation is narrated, believing be able to have more deep and concrete understanding to the utility model therefrom, as described below:

Please consult Fig. 2 again, when the utility model pressure water tank is installed on water-closet tank, and when bringing into use, because the pressure in the tank body 10 is low, press water in the water system can be swimmingly flows to outlet 213 from the inlet 222 of water intaking valve 20, and flow to constant pressure valve 30, when press water when the inlet 313 of constant pressure valve 30 flows into, because spring 35 effects by compression of normal valve 30 inner valve rods 34 are opening, so can flow to outlet 312 through room 311 smoothly, flow to relief valve 40 again, because this moment, the pressure of press water was low, flow to admission valve 50 so can pass through the runner 411 of relief valve 40 smoothly, and can not produce the pressure release effect, when the inlet 511 of press water by admission valve 50 flows into, and during fast by air flue 516 belows, can below air flue 516, form vacuum, promptly produce siphonage, diaphragm type ring taps 52 perisporium diaphragms 522 can be pushed open by atmospheric pressure be the recessed shape attitude, and then air sucked from each pore 532 of loam cake 53, as shown in figure 19, and after mixing the formation air-water mixture mutually, press water discharges from exporting 513, enter the room 11 of tank body 10 inside again, wherein, see also Figure 16, because the outfall 15 of this tank body 10 is to be subjected to the seal receptacle 65 of draining valve 60 to be closed condition to ending sealing, therefore, the press water that enters tank body 10 is accumulated gradually in room 11.

Along with air-water mixture constantly adds in the tank body 10, pressure in the tank body 10 can constantly rise, therefore, water velocity in the admission valve 50 can reduce gradually, air flue 516 below vacuums is also descended, when pressure is delivered to diaphragm type ring taps 52, this diaphragm 522 closed vent mouth 515 that can reset, but press water still can continue to flow into tank body 10, and pressure in tank body 10 and intake pressure balance reach preset pressure.

In addition, press water in this tank body 10 is before reaching pressure balance, there is the press water of part to flow to switch valve 70 from pressure relief opening 14, and enter valve chamber 711 all side clearances from the inlet 712 of switch valve 70, because this moment, the outlet 713 of valve chamber 711 was to be in by valve rod 73 to support the state that ends sealing, therefore, along with the hydraulic pressure rising of press water, this press water also can be accumulated pressure at switch valve 70 places gradually.

When desiring to wash by water, see also Figure 17, can be with the handle 72 past predetermined direction switchings of switch valve 70, the rotating disk 723 of stirring that makes that valve rod 73 can be rotated is stirred post 724 and is passed backward, and disengaging front end exit 713, but make press water moment of accumulating from exporting 713 second runners 631 that flow to draining valve 60, flow in the chamber 624 through notch 626 via the first flow 625 that is connected again, make can up the exert pressure piston portion 622 of apply piston bar 62 of the press water that enters chamber 624, and then the blocking seat 65 of interlock bottom is toward top offsets and break away from the outfall 15 of tank body 10, see also Figure 18, so, can make the press water of accumulating in tank body 10 rooms 11 be able to moment self-styled obturating plug 65 each notch 654, takes advantage of a situation and down pours in the toilet, and reach good developing result respectively after rectifications through each groove district 653.

In addition, during use,, its upper valve rod 43 can up be pushed open produce the pressure release action in case when the hydraulic pressure in the tank body 10 surpassed preset pressure, this pressure can be delivered to relief valve 40, and can be so as to the safety of guaranteeing to use; Simultaneously, the overflow water that this pressure release produces can flow between water-closet tank inside and tank body 10 outsides, because the outfall 15 below screw-jointing seats 16 of this tank body 10 are provided with an overflow valve 17, therefore, the hydraulic pressure that this overflow water produces can flow into and push open unidirectional baffle plate 173 from the spout hole 172 of capping 171, flow in the toilet again, and can not be accumulated in the water-closet tank, even overflow outward.Again, cross when low when the hydraulic pressure of water system, the press water of this adverse current can back flow to water intaking valve 20, and export 213 certainly and flow into, at this moment, the head end plane 234 that the press water of this adverse current can be exerted pressure and be acted on movable valve rod 23, and piston valve spindle 23 is down promoted displacement, terminal tapering 233 is supported only be sealed in below taper hole 223, so, the inlet 222 of water intaking valve 20 is closed automatically, as shown in figure 20, and can prevent effectively that press water from producing adverse current, even pollute water system.

The utility model pressure water tank can be returned interior following plurality of advantages and can be reached effect:

1. draining valve of the present utility model is to utilize the mode that imports hydraulic pressure, forces piston rod up to pass unlatching, so Compare known utilization and discharge the draining valve inside water pressure to open the pressure release mode of piston, not only can significantly simplify The draining valve structure also can be exempted the installation setting of pressure relief pipe and Control Component, and assembled component is significantly subtracted Few, and assembly operation is more convenient fast, manufactures and assembly cost and can reduce.

2. draining valve of the present utility model is to see through the switch valve switching controls, and this switch valve then is the switching that utilizes handle Start is controlled inner valve rod and is opened, and makes flowing mode so the switching control mode is compared known pressing, and can reach behaviour Labour-saving effect more on the work.

3. the utility model draining valve bottom end seal seat utilizes the crosswise separation rib to form four groove districts, can make press water When flowing into each groove district from notch, produced rectification effect, thus turbulent flow produced in the time of can avoiding washing by water, and can So as to improving developing result.

4. the utility model is to be used to after the press water of switch valve enters draining valve up pushing piston bar, the row of making Open at the mouth of a river, therefore, even when switch valve or the breakage of its connecting line or leakage, still be unlikely the row of making Automatically the misoperation of unlatching takes place in saliva, and can prevent water resource waste.

5. the utility model draining valve is after bath is finished, can be immediately by the elastic-restoring force effect of Compress Spring, Make the blocking seat support end the discharge outlet of sealing radiator body, and carry out immediately the moisturizing action, thus moisturizing is fast and the time Between short, make former user or the next user in the short time, can wash by water again, and can improve use Convenience.

In sum, the utility model has its splendid progressive practicality in fact in like product.

Claims (16)

1, a kind of pressure water tank is characterized in that: include at least:

One tank body has the room that holds press water, and the top predetermined position is provided with a water inlet, a port and a pressure relief opening, and is provided with an outfall of discharging the press water that holds in the bottom,

One admission valve makes outside air introduce in the room from the water inlet of this tank body together with press water;

One prevents the water intaking valve of press water adverse current, and press water is sent to this admission valve,

One draining valve has a valve seat, a piston component and a flexible member; This valve seat is the port position that is mounted on this pressure water tank top; This piston component is to place to be limited in this valve seat, and is formed with a chamber between the two; This flexible member is to be installed between this valve seat and this piston component, this flexible member compresses this piston component downwards, and with the outfall of sealing radiator body bottom, this chamber imports for press water, force the outfall of piston component, make outfall be opening toward top offset disengaging tank body;

One switch valve is accumulated the press water that flows out from the tank body pressure relief opening, and for switching manipulation, imports with controlled pressure water in the chamber of this draining valve.

2, pressure water tank as claimed in claim 1 is characterized in that: also be connected with a constant pressure valve between this water intaking valve and admission valve, close the water route when making hydraulic pressure surpass predetermined pressure.

3, pressure water tank as claimed in claim 2 is characterized in that: this constant pressure valve also includes:

One front valve shell has a room, and this room end provides an outlet that is communicated in admission valve, and sidewall provides an inlet that is communicated in water intaking valve;

One rear valve body is to be fixed in the front valve shell rear end;

One rear seal-cover is to be sealed in the rear valve body rear end;

One valve rod is the inside that is installed in forward and backward valve body, and utilizes the outlet of front end sealing front valve shell;

One compression spring is to be installed between valve rod rear end and the rear valve body, and this compression spring pushes against the outlet that this valve rod keeps breaking away from front valve shell backward.

4, pressure water tank as claimed in claim 2 is characterized in that: also be connected with a relief valve between this constant pressure valve and admission valve, open sluicing when making hydraulic pressure surpass predetermined pressure.

5, pressure water tank as claimed in claim 1 is characterized in that: the outfall bottom of this tank body is provided with a screw-jointing seat, and this screw-jointing seat sidewall offers a port, is equiped with the spilling water valve of this port of unidirectional blocking on it.

6, pressure water tank as claimed in claim 5, it is characterized in that: this spilling water valve has the capping that an envelope is established port, and this capping is provided with several spout holes, and the passage port of capping inboard is pivoted with a unidirectional baffle plate, toward each spout hole of outer closure capping, open each spout hole toward interior effect pivot.

7, pressure water tank as claimed in claim 1 is characterized in that: this water intaking valve also includes:

Valve member on one;

Valve member once is to be fixed in the valve member bottom, and central authorities run through and are formed with a water channel;

One movable valve rod is to be placed between upper and lower valve member inside, and end has a tapering, the plane that the water channel medial extremity of the following valve member of sealing, this moving valve rod head end act on when also having a confession press water adverse current.

8, pressure water tank as claimed in claim 7 is characterized in that: the body of this activity valve rod is to be made into integration by plastic material, and the head end part is coated with a metal material layer.

9, pressure water tank as claimed in claim 1 is characterized in that: this admission valve also includes:

One valve body has the inlet, an outlet and the blow vent that are interconnected;

One diaphragm type ring taps is to be installed in this blow vent, and is formed with a ring-type diaphragm on every side, one-way sealing blow vent internal perisporium, and be subjected to inside and outside pressure differential effect generation flexible deformation to be condensed state, and form the gap with the blow vent perisporium;

One loam cake be that envelope is established on the blow vent that is fixed in this valve body, and roof has provided at least one pore, and outside air sucks valve inner from pore through ring-type diaphragm peripheral clearance, imports in the room of tank body via outlet again.

10, pressure water tank as claimed in claim 9, it is characterized in that: the blow vent central authorities of this valve body also run through and are formed with the air flue of a diameter less than the blow vent diameter, and be provided with four at interval ribs each other in blow vent bottom perisporium one, and define a notch between each rib respectively, the outside air around this passage ring-type diaphragm flows into valve inner via each notch and central airway.

11, pressure water tank as claimed in claim 1 is characterized in that: this switch valve also includes:

One valve body, the one end is formed with a valve chamber, and this valve chamber perisporium provides an inlet for the press water importing, is communicated to the room of tank body, and is formed with an outlet in the valve chamber end, is communicated to draining valve;

One valve rod is that the embedding cunning is sealed in the valve chamber, and is equiped with a compression spring between rear end and valve body opposed inner walls, and this compression spring pushes against this valve rod forward, and this valve rod front end supports the outlet that only is sealed in valve body;

The leader is to be hubbed at this valve body end in addition of outlet relatively, stirs the outlet that valve rod breaks away from valve body during for the switching start backward.

12, pressure water tank as claimed in claim 11, it is characterized in that: this handle also includes leader's body, one axle is hubbed at the valve body end in addition of outlet relatively, for the switching start, and be connected with one on the axle and stir rotating disk, this is stirred the rotating disk inboard and convexes with one and stir post, valve rod is stirred backward the outlet that breaks away from valve body.

13, pressure water tank as claimed in claim 1 is characterized in that: the flexible member of this draining valve is a compression spring.

14, pressure water tank as claimed in claim 1 is characterized in that: the piston component of this draining valve also includes:

One piston rod, its bottom is formed with a bar portion of running through valve seat, the top is formed with a diameter greater than this diameter of piston rod, and caulked is in the piston portion of valve inner, between piston portion bottom and valve seat inside, define this chamber, and this piston portion is penetrated with a runner, and at least one notch that sees through the top perisporium setting of bar portion is connected with chamber;

One piston top cover is to be fixed in the piston portion top, has provided a runner on this piston top cover, and these runner two ends are communicated to the runner top of switch valve and piston portion respectively, and the runner of press water via piston portion imported in the chamber;

One tubular spring base is the bar portion bottom that is fixed in piston rod;

One compression spring is to be sheathed in the bar portion of piston rod, and two ends support fastening respectively and be positioned between valve seat and spring base top, and this compression spring pushes against this spring base downwards, and then the interlock piston rod;

One tubular blocking seat is to be fixed in the spring base bottom, and the nested seal that is positioned with of its perisporium predetermined position supports the outfall of ending the sealing radiator body.

15, pressure water tank as claimed in claim 14 is characterized in that: this blocking seat inside is formed with and is criss-cross separation rib, separates out four groove districts, and the sidewall predetermined position in this each groove district respectively offers a notch, and this each notch all is positioned at the seal below.

16, pressure water tank as claimed in claim 14 is characterized in that: the sealing part is a leakage washer.

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