CN201087146Y

CN201087146Y - Water controlled system of pure water machine

Info

Publication number: CN201087146Y
Application number: CNU200720080609XU
Authority: CN
Inventors: 吴瑞昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-09
Filing date: 2007-08-09
Publication date: 2008-07-16
Anticipated expiration: 2017-08-09

Abstract

The utility model relates to a water purifier water control system, which comprises a pressure limiting valve, a water purifier preprocessing unit, a pressurizing water interrupting pump, a reverse osmosis membrane unit, a multifunctional solenoid valve and a connecting pipe part. The water inlet of the pressure limiting valve is connected with untreated water, the water outlet of the pressure limiting valve is connected with the water inlet of the water purifier preprocessing unit, the water outlet of the water purifier preprocessing unit is connected with the water inlet end of the pressurizing water interrupting pump, the water outlet end of the pressurizing water interrupting pump is connected with the water inlet end of the reverse osmosis membrane unit, the reverse osmosis membrane unit comprises a purified water outlet pipeline and a thick water outlet pipeline, the multifunctional solenoid valve is arranged on the thick water outlet pipeline, the multifunctional solenoid valve comprises a thick water outlet and a washing water outlet, and the washing water outlet is communicated with the pipeline between the pressure limiting valve and the pressurizing water interrupting pump through a pipeline. The washing water of the utility model can flow back to the water purifier preprocessing unit through the pipelines to be taken as untreated water to perform pure water preparation, and therefore, a large quantity of water source can be saved.

Description

The water purification machine water control system

Technical field

The utility model relates to a kind of water purification machine water control system.

Background technology

Along with expanding economy, the trend that water resources situation worsens has appearred in many places, and shortage of water resources and pollution are more and more serious, and city resident's drinking water safety problem highlights.At the secondary pollution problem of city tap-water and because source water pollutes the objectionable impurities that renews in tap water, more and more be that the domestic water purifying machine of core filtering unit enters huge numbers of families with the reverse osmosis membrane.Existing domestic water purifying machine is to be the core filtering unit with the reverse osmosis membrane, through after the multistage pre-treatment and supercharging to tap water, enters reverse osmosis membrane unit again, the pure water that produces can meet the drinking water standard of developed country fully.

But in existing water purification machine water control system, the wash-down water in water purification machine water route all is direct discharging, has wasted great lot of water resources.

The utility model content

Technical problem to be solved in the utility model provides and a kind ofly the wash-down water in water purification machine water route can be imported to the water purification machine water control system of water purification machine pretreatment unit as source water.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the water purification machine water control system, comprise pressure limiting valve, the supercharging pump of cutting off the water supply, reverse osmosis membrane unit, multi-function electromagnetic valve and connecting tube, described pressure limiting valve water-in and source water are connected, pressure limiting valve water outlet and the supercharging pump water inlet termination of cutting off the water supply is logical, supercharging is cut off the water supply and is pumped water end (W.E.) and the connection of reverse osmosis membrane unit feed-water end, reverse osmosis membrane unit comprises water purification outlet pipeline and dense water outlet pipeline, described dense water outlet pipeline is provided with multi-function electromagnetic valve, multi-function electromagnetic valve comprises dense water water outlet and wash-down water water outlet, and the wash-down water water outlet is by pipeline and pressure limiting valve, the pipeline of the disconnected pump house of supercharging is connected.

Because dense water outlet pipeline is provided with multi-function electromagnetic valve in the technical program, multi-function electromagnetic valve comprises dense water water outlet and wash-down water water outlet, the wash-down water water outlet is connected by the pipeline of pipeline and pressure limiting valve, the disconnected pump house of supercharging, therefore wash-down water can be back to the water purification machine pretreatment unit by pipeline and carries out pure water preparation as source water, has saved a large amount of water sources.

The pipeline of the disconnected pump house of described pressure limiting valve and supercharging is provided with the water purification machine pretreatment unit, and water purification machine pretreatment unit water-in is connected with the pressure limiting valve water outlet, and water purification machine pretreatment unit water outlet and the supercharging pump water inlet termination of cutting off the water supply is led to.Better as source water quality, need adopt the water purification machine pretreatment unit to handle after testing and then adopt the technical program, water purification machine pretreatment unit to can be water purification machine single-stage or multistage pretreatment unit.

Described water purification machine water control system is provided with the pretreated water outlet pipeline that communicates with water purification machine pretreatment unit, the disconnected pump house pipeline of supercharging, and the pretreated water outlet pipeline is provided with the pretreated water way control switch.Setting up the pretreated water outlet pipeline can emit the water after handling through the water purification machine pretreatment unit by this pipeline, to satisfy different needs.

Described multi-function electromagnetic valve comprises valve body, be provided with intake antrum, flushing water cavity in the valve body, intake antrum, flushing water cavity are connected with water-in, wash-down water water outlet respectively, water-in and dense water outlet pipeline are connected, the solenoid control assembly comprises the water shutoff assembly that is arranged on flushing water cavity lower port position, and driving water shutoff assembly moves back and forth the execution member that flushing water cavity, intake antrum are changed under connection, blocking-up two states; Described dense water water outlet communicate with intake antrum and passage in be provided with and the choked flow bar of passage internal diameter size coupling, choked flow bar outer wall or dense water water outlet vias inner walls are provided with the screw-like groove, and choked flow bar outer wall and dense water water outlet vias inner walls interlocking rear thread shape groove endoporus constitute the choked flow passage.

Be provided with dense water water-breaking structure between described choked flow passage and intake antrum, the anastomosing end of choked flow passage and intake antrum has the seal of cutting off the water supply that is made of valve interior wall, dense water water-breaking structure comprises the cut off the water supply seal membrane and the elastic component that can constitute sealing to the seal of cutting off the water supply, elastic component one end acts on the seal membrane of cutting off the water supply by pad, the other end acts on the sealing cover of cutting off the water supply relative with the seal membrane of cutting off the water supply, and the seal membrane of cutting off the water supply constitutes under the hydraulic pressure acting in conjunction in elastic component and intake antrum between control choked flow passage and intake antrum and is being communicated with, the blocking-up two states is the dense water water-breaking structure of conversion down.The control of existing water route all is in order to the break-make in control water route when a magnetic valve being set in the water route quitting work in system, this structure can be in order to replace the magnetic valve in the control of existing water route, after promptly adopting this structure, can cancel the magnetic valve in original water route, make that water route control is more simple and saved cost, in this structure, cut off the water supply sealing cover and valve body are structure as a whole, or the sealing cover of cutting off the water supply is fixedlyed connected with valve body by sealing-ring.

Described multi-function electromagnetic valve is provided with and washes the pressure relief that water cavity communicates, described pressure relief comprises the pressure release passage that is arranged in the choked flow bar, seal head, elastic component, the pressure release passage inwall has the pressure release seal that protrudes formation, elastic component one end acts on seal head, the other end acts on the adjusting positioning element inwall of fixedlying connected with the choked flow bar, regulate positioning element outer rim and dense water water outlet vias inner walls and constitute dense water limbers, regulate positioning element central authorities and establish the pressure release limbers, and the end that is positioned at dense water water outlet oral-lateral with the choked flow bar is connected, and seal head constitutes the control pressure release passage under the hydraulic pressure acting in conjunction and is being communicated with in elastic component and flushing water cavity, the blocking-up two states is the pressure relief of conversion down.Pressure relief one end is the pressure release limbers, the other end is connected with the flushing water cavity, the pipeline of flushing water cavity after by pipeline and pressure limiting valve is anastomosing, therefore pressure limiting valve break down or other reasons cause pressure limiting valve after in the higher or flushing water cavity of hydraulic pressure hydraulic pressure higher, when surpassing this pressure relief pressure design value, this pressure relief is opened, and current discharge the purpose that reaches pressure release by the pressure release limbers, and this structure has further been guaranteed the pressure-bearing reliability and the security of system.

Be provided with the check diaphragm unit of water route between the flushing water cavity of described multi-function electromagnetic valve and wash-down water water outlet by flushing water cavity single flow direction wash-down water water outlet.

Be provided with the check seal in the described flushing water cavity, the check diaphragm unit comprises check seal membrane and elastic component, be provided with check seal coupling in check seal membrane and the flushing water cavity, elastic component one end acts on the check seal membrane, the other end acts on the valve body relative with the check seal membrane, and the check seal membrane constitutes the check diaphragm unit that the water route is changed under connection of wash-down water water outlet or blocking-up two states by the flushing water cavity under the acting in conjunction of both ends of the surface hydraulic pressure up and down at elastic component and check seal membrane.

The described supercharging pump of cutting off the water supply comprises the pump head that has high pressure chest, low-pressure cavity in it, rising pipe extends in the high pressure chest, low-pressure cavity is communicated with water-in, rising pipe is communicated with water outlet, the internal orifice of rising pipe is outside equipped with the seal membrane that the front and rear end is subjected to high pressure chest, the effect of low-pressure cavity hydraulic pressure simultaneously respectively, is provided with elastic component between seal membrane aft end face and the pump head.The cut off the water supply rising pipe internal orifice place of pump of supercharging also is provided with the water shutoff seat, and the water shutoff seat has at least one limbers, and the periphery of described seal membrane is fixed on pump head, and the seal membrane center is fixed on the water shutoff seat; Described seal membrane aft end face is provided with hollow spring fastener, and elastic component one end is connected with hollow spring fastener, and the other end acts on the pump head inwall relative with the spring fastener.This structure is identical with the effect of dense water water-breaking structure, and two kinds of structures can be selected a use.

Described water purification machine water control system also comprises the pressure release four-way valve, the pressure release four-way valve comprises four-way valve body, be provided with dense water water cavity in the four-way valve body, source water water cavity, dense water water cavity and dense water water-in, the concentrated water discharge mouth is connected, source water water cavity and source water water-in, source water water outlet is connected, be provided with seal between dense water water cavity and source water water cavity, comprise the seal membrane and the elastic component that seal are constituted sealing in the pressure release four-way valve, elastic component one end acts on seal membrane by pad, the other end acts on the gland inwall relative with seal membrane, and seal membrane constitutes under the hydraulic pressure acting in conjunction in elastic component and source water water cavity between Controlling Source water water cavity and dense water water cavity and is being communicated with, the blocking-up two states is the pressure relief of conversion down; Described dense water water-in is connected by the dense water water outlet of pipeline and multi-function electromagnetic valve, and source water water-in is connected by the pipeline and the pipeline of pressure limiting valve, the disconnected pump house of supercharging, and source water water outlet is by the wash-down water water outlet connection of pipeline and multi-function electromagnetic valve.Dense water is by the concentrated water discharge mouth discharging of this pressure release four-way valve, and pressure limiting valve break down or other reasons cause pressure limiting valve after hydraulic pressure higher, when surpassing in the pressure release four-way valve pressure relief pressure design value, this pressure relief is opened, current discharge the purpose that reaches pressure release by the pressure release limbers, and this structure has further been guaranteed the pressure-bearing reliability and the security of system.

To sum up, the beneficial effects of the utility model are:

1, on dense water outlet pipeline, is provided with multi-function electromagnetic valve, multi-function electromagnetic valve comprises dense water water outlet and wash-down water water outlet, the wash-down water water outlet is connected by the pipeline of pipeline and pressure limiting valve, the disconnected pump house of supercharging, therefore wash-down water can be back to the water purification machine pretreatment unit by pipeline and carries out pure water preparation as source water, has saved a large amount of water sources.

2, in pump or multi-function electromagnetic valve are cut off the water supply in supercharging, be provided with water-breaking structure, this water purification machine water control system do not need to be provided with separately a magnetic valve at pump working and when shutting down in order to the break-make in control water route, it is more simple to have saved cost and structure.

3, described multi-function electromagnetic valve is provided with and washes the pressure relief that water cavity communicates, therefore pressure limiting valve break down or other reasons cause pressure limiting valve after in the higher or flushing water cavity of hydraulic pressure hydraulic pressure higher, when surpassing this pressure relief pressure design value, this pressure relief is opened, current discharge the purpose that reaches pressure release by the pressure release limbers, and this structure has further been guaranteed the pressure-bearing reliability and the security of system.

4, be provided with the check diaphragm unit of water route between the flushing water cavity of multi-function electromagnetic valve and wash-down water water outlet, can prevent the current adverse current by flushing water cavity single flow direction wash-down water water outlet.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the structural representation of the utility model embodiment 2;

Fig. 3 is the structural representation of the utility model embodiment 3;

Fig. 4 is the water-breaking structure synoptic diagram of the multi-function electromagnetic valve of the utility model embodiment 1;

Fig. 5 is that the A-A of Fig. 4 is to sectional view;

Fig. 6 is the cut off the water supply water-breaking structure synoptic diagram of pump of the utility model embodiment 2 superchargings;

Fig. 7 is that the A of B part among Fig. 6 is to view;

Fig. 8 is the pressure relief synoptic diagram of the multi-function electromagnetic valve of the utility model embodiment 1;

Fig. 9 is that the A-A of Fig. 8 is to sectional view;

Figure 10 is the pressure relief synoptic diagram of the pressure release four-way valve of the utility model embodiment 3;

Figure 11 is that the B-B of Figure 10 is to sectional view;

Figure 12 is the pressure relief synoptic diagram of the pressure release four-way valve of the utility model embodiment 4;

Figure 13 is that the B-B of Figure 11 is to sectional view.

Mark and corresponding component title among the figure: 1-valve body, 2-water shutoff mouth, 3-outlet pass, 4-check seal, 5-check seal membrane, 6-elastic component, the 7-sealing cover, 8-seal cartridge, 9-relief hole, 10-choked flow passage, 11-seal head, 12-seal head fastener, 13-choked flow bar, the dense water of 15-limbers, 16-regulates positioning element, the dense water water outlet of 17-, 18-dominates discharge orifice, 19-water shutoff assembly, the 20-pressing plate, 21-dominates the discharge orifice seal head, and 22-passes the magnetic bar, the 23-elastic component, 24-coil block, 25-water shutoff sleeve, the secondary pod apertures of 26-, 27-water-in, 28-wash-down water water outlet, the 29-sealing cover of cutting off the water supply, 30-pad, the 31-seal membrane of cutting off the water supply, the 32-seal of cutting off the water supply, 33-pressure release limbers, 34-pressure release seal, the 35-intake antrum, 36-washes water cavity, the 37-second flushing water cavity, the 40-pressure limiting valve, 41-water purification machine pretreatment unit, the 42-supercharging pump of cutting off the water supply, the 43-reverse osmosis membrane unit, 44-water purification outlet pipeline, the dense water outlet pipeline of 45-, 46-water purification outlet pipeline switch, 47-multi-function electromagnetic valve, 48-pretreated water outlet pipeline, 49-pretreated water way control switch, 50-pressure release four-way valve, the dense water water-in of 51-, the 52-four-way valve body, the 53-seal, 54-seal membrane, 57-gland, the 58-pore, the 59-connecting hole, 60-concentrated water discharge mouth, 61-source water water-in, 62-source water water outlet, the dense water water cavity of 63-, 64-source water water cavity, 101-water-in, the 102-pump head, the 103-seal membrane, 104-Yuan Shui water hole, 105-spring fastener, the 107-dog screw, the 108-pilot hole, 109-limbers, 110-sealing-ring, the 111-connecting hole, the 112-water outlet, 113-high pressure chest, 114-low-pressure cavity, 115-Yuan Shui prosopyle, 116-water shutoff seat, 117-rising pipe, 118-pressure cap.

Embodiment

Embodiment 1:

Referring to Fig. 1, Fig. 4, Fig. 5, Fig. 8, shown in Figure 9, water purification machine water control system of the present utility model, comprise pressure limiting valve 40, the supercharging pump 42 of cutting off the water supply, reverse osmosis membrane unit 43, multi-function electromagnetic valve 47 and connecting tube, pressure limiting valve 40 water-ins and Yuan Shui (tap water) connect, pressure limiting valve 40 water outlets and supercharging pump 42 feed-water ends of cutting off the water supply are connected, cut off the water supply pump 42 water sides and reverse osmosis membrane unit 43 feed-water ends of supercharging are connected, reverse osmosis membrane unit 43 comprises water purification outlet pipeline 44 and dense water outlet pipeline 45, dense water outlet pipeline 45 is provided with multi-function electromagnetic valve 47, multi-function electromagnetic valve 47 comprises dense water water outlet 17 and wash-down water water outlet 28, and wash-down water water outlet 28 is by pipeline and pressure limiting valve 40, the cut off the water supply pipeline of 42 of pumps of supercharging is connected.Multi-function electromagnetic valve 47 comprises valve body 1, be provided with intake antrum 35, flushing water cavity 36 in the valve body 1, intake antrum 35, flushing water cavity 36 are connected with water-in 27, wash-down water water outlet 28 respectively, water-in 27 is connected with dense water outlet pipeline, and the supercharging of the present embodiment pump 42 of cutting off the water supply adopts common booster water pump to get final product.Electromagnetic control assembly comprises the water shutoff assembly that is arranged on flushing water cavity 36 lower port positions, and driving water shutoff assembly moves back and forth the execution member that flushing water cavity 36, intake antrum 35 are changed under connection, blocking-up two states; Described dense water water outlet 17 communicate with intake antrum 35 and passage in be provided with and the choked flow bar 13 of passage internal diameter size coupling, choked flow bar 13 outer walls or dense water water outlet vias inner walls are provided with the screw-like groove, choked flow bar 13 outer walls and dense water water outlet vias inner walls interlocking rear thread shape groove endoporus constitute the choked

flow path

10,35 of choked flow path 10 and intake antrums are provided with dense water water-breaking structure, the concrete structure of this choked flow passage can be with reference to the structure of magnetic valve in the Chinese patent 200720078868.9, the anastomosing end of choked flow passage and intake antrum has the seal 32 of cutting off the water supply that is made of valve interior wall, dense water water-breaking structure comprises the cut off the water supply seal membrane 31 and the elastic component 6 that can constitute sealing to the seal 32 of cutting off the water supply, elastic component 6 one ends act on the seal membrane 31 of cutting off the water supply by pad 30, the other end acts on the sealing cover 29 of cutting off the water supply relative with the seal membrane 31 of cutting off the water supply, and the seal membrane 31 of cutting off the water supply constitutes control choked flow path 10 and is being communicated with 35 of intake antrums under the hydraulic pressure acting in conjunction in elastic component 6 and intake antrum 35, the blocking-up two states is the dense water water-breaking structure of conversion down.Be provided with in the multi-function electromagnetic valve and wash the pressure relief that water cavity 36 communicates, pressure relief comprises the pressure release passage that is arranged in the choked flow bar 13, seal head 11, elastic component 6, the pressure release passage inwall has the pressure release seal 34 that protrudes formation, elastic component 6 one ends act on seal head 11, the other end acts on adjusting positioning element 16 inwalls of fixedlying connected with choked flow bar 13, regulate positioning element 16 outer rims and dense water water outlet vias inner walls and constitute dense water limbers 15, regulate positioning element central authorities and establish pressure release limbers 33, and the end thread that is positioned at dense water water outlet oral-lateral with choked flow bar 13 is connected, this mode that is threaded can make the adjusting positioning element regulate its position as required, seal head 11 constitutes the control pressure release passage under the hydraulic pressure acting in conjunction and is being communicated with in elastic component 6 and flushing water cavity 36, the blocking-up two states is the pressure relief of conversion down, the wash-down water cavity wall has the relief hole 9 that protrudes formation, pressure release passage in the choked flow bar be sleeved on the relief hole outer wall and and relief hole 9 outer walls between seal cartridge is installed in order to pressure relief and the separation of choked flow channel seal, this embodiment is arranged on pressure relief in the choked flow bar, obviously, this pressure relief also can adopt independent member independently to be provided with.28 of the flushing water cavity 36 of multi-function electromagnetic valve 47 and wash-down water water outlets are provided with the check diaphragm unit of water route by flushing water cavity 36 single flow direction wash-down water water outlets 28, be provided with check seal 4 in the flushing water cavity 36, the check diaphragm unit comprises check seal membrane 5 and elastic component 6, be provided with check seal 4 couplings in check seal membrane 5 and the flushing water cavity 36, elastic component 6 one ends act on check seal membrane 5, the other end acts on the valve body 1 relative with check seal membrane 5, check seal membrane 5 constitutes the check diaphragm unit that the water route is changed under 28 connections of wash-down water water outlet or blocking-up two states by flushing water cavity 36 at elastic component 6 and check seal membrane under the acting in conjunction of both ends of the surface hydraulic pressure about in the of 5, check diaphragm unit concrete structure can be with reference to the structure of magnetic valve in Chinese patent 200720080108.1 and the Chinese patent 200720080287.9.

Embodiment 2:

Referring to Fig. 2, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, the difference of present embodiment and embodiment 1 is, on the basis of present embodiment 1, on cutting off the water supply the pipeline of 42 of pumps, pressure limiting valve 40 and supercharging be provided with water purification machine pretreatment unit 41, water purification machine pretreatment unit 41 water-ins and pressure limiting valve 40 water outlets are connected, water purification machine pretreatment unit 41 water outlets and the supercharging pump 42 feed-water ends connection of cutting off the water supply; And the water purification machine water control system is provided with and water purification machine pretreatment unit 41, the supercharging pretreated water outlet pipeline 48 that 42 pipelines of pump communicate of cutting off the water supply, and the pretreated water outlet pipeline is provided with pretreated water way control switch 49.The supercharging pump 42 of cutting off the water supply comprises having high pressure chest 113 in it, the pump head 102 of low-pressure cavity 114, rising pipe 117 extends in the high pressure chest 113, low-pressure cavity 114 is communicated with water-in 101, rising pipe 117 is communicated with water outlet 112, before the internal orifice of rising pipe 117 is outside equipped with, aft end face is subjected to high pressure chest 113 respectively, the seal membrane 103 of low-pressure cavity 114 hydraulic pressure effects, be provided with elastic component 6 between seal membrane 103 aft end faces and the pump head 102, the cut off the water supply rising pipe 117 internal orifice places of pump 42 of supercharging also are provided with water shutoff seat 116, water shutoff seat 116 has at least one limbers 109, the periphery of seal membrane 103 is fixed on pump head 102, seal membrane 103 centers are fixed on the water shutoff seat 116, seal membrane 103 aft end faces are provided with hollow spring fastener 105, elastic component 6 one ends are connected with hollow spring fastener 105, and the other end acts on pump head 102 inwalls relative with spring fastener 105.The pump concrete structure is cut off the water supply in supercharging can be with reference to supercharging pump structure in Chinese patent 200720080342.4 and the Chinese patent 200720078160.3.Present embodiment is arranged on supercharging with water-breaking structure and cuts off the water supply and be used for the multi-function electromagnetic valve of alternate embodiment 1 in the pump, and promptly the multi-function electromagnetic valve of present embodiment can include only pressure relief.

Embodiment 3:

Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 10, shown in Figure 11, present embodiment is on the basis of Fig. 1 or waterway control system shown in Figure 2, the water purification machine water control system of present embodiment also comprises pressure release four-way valve 50, pressure release four-way valve 50 comprises four-way valve body 52, be provided with dense water water cavity 63 in the four-way valve body 52, source water water cavity 64, dense water water cavity 63 and dense water water-in 51, concentrated water discharge mouth 60 is connected, source water water cavity 64 and source water water-in 61, source water water outlet 62 is connected, dense

water water cavity

63 and 64 of source water water cavities are provided with seal 53, comprise the seal membrane 54 and the elastic component 6 that seal 53 are constituted sealing in the pressure release four-way valve 50, elastic component 6 one ends act on seal membrane 54 by pad 30, the other end acts on gland 57 inwalls relative with seal membrane 54, can be provided with one or more pores 58 on the gland 57, present embodiment is set to a pore, pore is positioned at the gland center, gland also can be structure as a whole with valve body, and seal membrane 54 constitutes Controlling Source water water cavity 64 and is being communicated with 63 of dense water water cavities under the hydraulic pressure acting in conjunction in elastic component 6 and source water water cavity 64, the blocking-up two states is the pressure relief of conversion down; Described dense water water-in 51 is connected by the dense water water outlet 17 of pipeline and multi-function electromagnetic valve 47, source water water-in 61 is connected by the cut off the water supply pipeline of 42 of pumps of pipeline and pressure limiting valve 40, supercharging, and source water water outlet 62 is by wash-down water water outlet 28 connections of pipeline and multi-function electromagnetic valve 47.Be that the cut off the water supply water-breaking structure of pump of the water-breaking structure in the multi-function electromagnetic valve and supercharging only need select one and usefulness in the present embodiment, and the pressure relief in the multi-function electromagnetic valve can be alternative by pressure reliefs in the pressure release four-way valve 50.

Embodiment 4:

Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 12, shown in Figure 13, the four-way pressure release valve of present embodiment and the difference of embodiment 3 are, the dense water water-in of embodiment 3 overlaps respectively with the axis of source water outlet with concentrated water discharge mouth, source water water-in, be oppositely arranged dense water water-in and concentrated water discharge mouth, the adjacent setting of source water water-in in the present embodiment with the source water outlet.

The utility model is not limited only to the foregoing description, as long as satisfy the structure that has water-breaking structure, pressure relief and check diaphragm unit in the water route of water purification machine water control system, above-mentioned each structure can be arranged on selects one in each parts of the utility model record and gets final product, and the utility model can comprise that also each technical characterictic increases, reduces or its combination in this foregoing description.

Claims

1. water purification machine water control system, comprise pressure limiting valve (40), the supercharging pump (42) of cutting off the water supply, reverse osmosis membrane unit (43), multi-function electromagnetic valve (47) and connecting tube, it is characterized in that, described pressure limiting valve (40) water-in and source water are connected, pressure limiting valve (40) water outlet and supercharging pump (42) feed-water end of cutting off the water supply is connected, cut off the water supply pump (42) water side and reverse osmosis membrane unit (43) feed-water end of supercharging connected, reverse osmosis membrane unit (43) comprises water purification outlet pipeline (44) and dense water outlet pipeline (45), described dense water outlet pipeline (45) is provided with multi-function electromagnetic valve (47), multi-function electromagnetic valve (47) comprises dense water water outlet (17) and wash-down water water outlet (28), and wash-down water water outlet (28) is by pipeline and pressure limiting valve (40), the pipeline that supercharging is cut off the water supply between pump (42) is connected.

2. water purification machine water control system according to claim 1, it is characterized in that, the pipeline that described pressure limiting valve (40) and supercharging are cut off the water supply between pump (42) is provided with water purification machine pretreatment unit (41), water purification machine pretreatment unit (41) water-in and pressure limiting valve (40) water outlet are connected, water purification machine pretreatment unit (41) water outlet and supercharging pump (42) the feed-water end connection of cutting off the water supply.

3. water purification machine water control system according to claim 2, it is characterized in that, described water purification machine water control system is provided with and water purification machine pretreatment unit (41), the supercharging pretreated water outlet pipeline (48) that pipeline communicates between pump (42) of cutting off the water supply, and the pretreated water outlet pipeline is provided with pretreated water way control switch (49).

4. water purification machine water control system according to claim 1, it is characterized in that, described multi-function electromagnetic valve (47) comprises valve body (1), be provided with intake antrum (35) in the valve body (1), flushing water cavity (36), intake antrum (35), the flushing water cavity (36) respectively with water-in (27), wash-down water water outlet (28) is connected, water-in (27) is connected with dense water outlet pipeline (45), the solenoid control assembly comprises the water shutoff assembly that is arranged on flushing water cavity (36) lower port position, and drives the water shutoff assembly and move back and forth and make flushing water cavity (36), intake antrum (35) is being communicated with, the blocking-up two states is the execution member of conversion down; Described dense water water outlet (17) communicate with intake antrum (35) and passage in be provided with and the choked flow bar (13) of passage internal diameter size coupling, choked flow bar (13) outer wall or dense water water outlet vias inner walls are provided with the screw-like groove, and choked flow bar (13) outer wall and dense water water outlet vias inner walls interlocking rear thread shape groove endoporus constitute choked flow passage (10).

5. water purification machine water control system according to claim 4, it is characterized in that, be provided with dense water water-breaking structure between described choked flow passage (10) and intake antrum (35), choked flow passage (10) has the seal of cutting off the water supply (32) that is made of valve interior wall with the anastomosing end of intake antrum (35), dense water water-breaking structure comprises the seal membrane of cutting off the water supply (31) and the elastic component (6) that can constitute sealing to the seal of cutting off the water supply (32), elastic component (6) one ends act on the seal membrane of cutting off the water supply (31) by pad (30), the other end acts on the sealing cover of cutting off the water supply (29) relative with the seal membrane of cutting off the water supply (31), and the seal membrane of cutting off the water supply (31) constitutes under the hydraulic pressure acting in conjunction in elastic component (6) and intake antrum (35) between control choked flow passage (10) and intake antrum (35) and is being communicated with, the blocking-up two states is the dense water water-breaking structure of conversion down.

6. water purification machine water control system according to claim 4, it is characterized in that, described multi-function electromagnetic valve (47) is provided with and washes the pressure relief that water cavity (36) communicates, described pressure relief comprises the pressure release passage (9) that is arranged in the choked flow bar (13), seal head (11), elastic component (6), the pressure release passage inwall has the pressure release seal (34) that protrudes formation, elastic component (6) one ends act on seal head (11), the other end acts on adjusting positioning element (16) inwall of fixedlying connected with choked flow bar (13), regulate positioning element (16) outer rim and dense water water outlet vias inner walls and constitute dense water limbers (15), central authorities are provided with pressure release limbers (33), regulate positioning element and be connected with the end that choked flow bar (13) is positioned at dense water water outlet oral-lateral, seal head (11) constitutes the control pressure release passage and is being communicated with under the hydraulic pressure acting in conjunction in elastic component (6) and flushing water cavity (36), the blocking-up two states is the pressure relief of conversion down.

7. according to any described water purification machine water control system of claim 1 to 6, it is characterized in that, be provided with the check diaphragm unit of water route between the flushing water cavity (36) of described multi-function electromagnetic valve (47) and wash-down water water outlet (28) by flushing water cavity (36) single flow direction wash-down water water outlet (28).

8. water purification machine water control system according to claim 7, it is characterized in that, be provided with check seal (4) in the described flushing water cavity (36), the check diaphragm unit comprises check seal membrane (5) and elastic component (6), be provided with check seal (4) coupling in check seal membrane (5) and the flushing water cavity (36), elastic component (6) one ends act on check seal membrane (5), the other end acts on the valve body (1) relative with check seal membrane (5), and check seal membrane (5) constitutes the water route is communicated with or blocks conversion under the two states to wash-down water water outlet (28) by flushing water cavity (36) check diaphragm unit under the acting in conjunction of both ends of the surface hydraulic pressure up and down at elastic component (6) and check seal membrane (5).

9. according to any described water purification machine water control system of claim 1 to 6, it is characterized in that, the described supercharging pump (42) of cutting off the water supply comprises having high pressure chest (113) in it, the pump head (102) of low-pressure cavity (114), rising pipe (117) extends in the high pressure chest (113), low-pressure cavity (114) is communicated with water-in (101), rising pipe (117) is communicated with water outlet (112), before the internal orifice of rising pipe (117) is outside equipped with, aft end face is subjected to high pressure chest (113) simultaneously respectively, the seal membrane (103) of low-pressure cavity (114) hydraulic pressure effect is provided with elastic component (6) between seal membrane (103) aft end face and the pump head (102).

10. according to any described water purification machine water control system of claim 1 to 6, it is characterized in that, described water purification machine water control system also comprises pressure release four-way valve (50), pressure release four-way valve (50) comprises four-way valve body (52), be provided with dense water water cavity (63) in the four-way valve body (52), source water water cavity (64), dense water water cavity (63) and dense water water-in (51), concentrated water discharge mouth (60) is connected, source water water cavity (64) and source water water-in (61), source water water outlet (62) is connected, be provided with seal (53) between dense water water cavity (63) and source water water cavity (64), comprise the seal membrane (54) and the elastic component (6) that seal (53) are constituted sealing in the pressure release four-way valve (50), elastic component (6) one ends act on seal membrane (54) by pad (30), the other end acts on gland (57) inwall relative with seal membrane (54), and seal membrane (54) constitutes under the hydraulic pressure acting in conjunction in elastic component (6) and source water water cavity (64) between Controlling Source water water cavity (64) and dense water water cavity (63) and is being communicated with, the blocking-up two states is the pressure relief of conversion down; Described dense water water-in (51) is connected by the dense water water outlet (17) of pipeline and multi-function electromagnetic valve (47), the pipeline that source water water-in (61) is cut off the water supply between pump (42) by pipeline and pressure limiting valve (40), supercharging is connected, and source water water outlet (62) is connected by the wash-down water water outlet (28) of pipeline and multi-function electromagnetic valve (47).