CN203516834U - Multifunctional control valve - Google Patents

Abstract

The utility model discloses a multifunctional control valve. The valve comprises a valve body, a cover, a valve rod, a fixed valve sheet and a movable valve sheet. The movable valve sheet is connected with the valve rod. The valve is characterized in that the valve is provided with a raw water inlet, a purified water outlet, a pollution discharge connector, a first filter core water inlet connector, a second filter core water inlet connector, a first filter core pollution discharge connector, a second filter core pollution discharge connector, and a purified water inlet. The fixed valve sheet is provided with a first filter core water inlet connector channel, a second filter core water inlet connector channel, a fifth through hole, a sixth through hole, a seventh through hole and an eighth through hole. The channels or the through holes are respectively communicated with the first filter core water inlet connector and the second filter core water inlet connector, the first filter core pollution discharge connector and the second filter core pollution discharge connector, and the purified water outlet and the purified water inlet. The movable valve sheet is provided with a water inlet channel, a conduction blind hole and a pollution discharge channel. The pollution discharge channel is communicated with the pollution discharge connector. The beneficial effects are that valve location switching is reliable, water outlet quality is effectively ensured, and usage operation is simple.

Description

A kind of multifunctional control valve

Technical field

The utility model relates to a kind of multifunctional control valve that water treatment system is used.

Background technique

In existing industry or service water treatment technology, respectively have while using along the three port filter cores that rush dirt eliminating function relating to two simultaneously, in order to realize the functions such as the suitable flushing of two filter cores, mutual water purification backwash, water purification water supply, generally adopt a plurality of solenoid valves or electric ball valve to carry out waterway switching.When adopting solenoid valve array to carry out waterway switching, it is very complicated that pipeline just becomes, and improved the complexity of system, due to the solenoid valve of flowing through be the water through filtering not, if hardness of water is higher, fine impurities is more, the rate of fault of solenoid valve is very high; When adopting electric ball valve array to carry out waterway switching, not only the complexity of system is higher, and cost is also high.Because above reason has limited the application of the two filter core technology of three ports in water treatment, particularly, in the backwashing technology application of ultrafiltration, in civilian ultra-filtration water purifier, with water purification, do not carry out the product of back flush.But for milipore filter, it is particularly important that water purification back flush seems, because being intercept type, filters by milipore filter, the particulate matter being blocked is stuck in fenestra, with common following current blowdown, be cannot go out these to be stuck in particulate matter in fenestra, these particulate matters gently make the water-flowing amount of film reduce, heavy because film is seriously stopped up, cause the pressure reduction on film both sides to become large, film silk is broken, and now because film silk breaks, water-flowing amount increases to some extent, but water purification is unclean, and user is entirely ignorant of, this has caused very large harm for user healthy.Also have a more problem for deep layer, if carry out back flush milipore filter with former water simply, the waterexit end of milipore filter can be polluted by former water so.

Model utility content

(1) technical problem that will solve

The technical problems to be solved in the utility model is to provide a kind of multifunctional control valve, to overcome a plurality of valves in prior art, controls respectively the defect that causes complicated operation.

(2) technological scheme

For achieving the above object, the utility model provides a kind of multifunctional control valve, comprise valve body, lid, valve rod, be placed in fixed valve plate and moving valve plate that the employing end face rotary seal in valve body coordinates, moving valve plate is connected with valve rod, is provided with original water inlet, pure water inlet, blowdown interface, filter core water inlet interface, No. two filter core water inlet interfaces, filter core blowdown interface, No. two filter core blowdown interfaces and water purification import on control valve; On fixed valve plate, be provided with: a filter core water inlet interface channel, No. two filter core water inlet interface channels, fifth hole, the 6th through hole, the 7th through hole and the 8th through holes, in control valve, a filter core water inlet interface channel and a filter core water inlet interface are connected, No. two filter core water inlet interface channel is connected with No. two filter core water inlet interfaces, fifth hole is connected with a filter core blowdown interface, the 6th through hole is connected with No. two filter core blowdown interfaces, the 7th through hole is connected with pure water inlet, and the 8th through hole is connected with water purification import; On moving valve plate, be provided with the intake tunnel being connected with original water inlet, be also provided with conducting blind hole and drain outlet on moving valve plate, drain outlet is connected with blowdown interface.

Further, No. one filter core water inlet interface channel comprises the first through hole and the second through hole, and the first through hole and the second through hole are interconnected and are connected with a filter core water inlet interface; No. two filter core water inlet interface channel comprises third through-hole and fourth hole, and third through-hole and fourth hole are interconnected and are connected with No. two filter core water inlet interfaces.

Further, drain outlet is blowdown through hole, and blowdown interface is arranged on valve body, and blowdown through hole is communicated to the blowdown interface on valve body by the first blowdown through hole on valve rod and the second blowdown through hole on lid successively.

Further, drain outlet is blowdown through hole, and blowdown interface is arranged on lid, and blowdown through hole is communicated to the blowdown interface on lid by the first blowdown through hole on valve rod and the second blowdown through hole on lid successively.

Further, drain outlet is blowdown blind hole, is also provided with the 9th through hole on fixed valve plate, and blowdown interface is arranged on valve body, and blowdown blind hole is connected with blowdown interface by the 9th through hole.

Further, the 9th through hole on fixed valve plate is positioned at the center of fixed valve plate, and one end of the blowdown blind hole on moving valve plate is positioned at the center of moving valve plate.

Further, blowdown blind hole comprises back cover, along the upwardly extending sidewall of back cover and the beam between sidewall, and beam is arranged on the centre of top side wall.

(3) beneficial effect

The beneficial effects of the utility model: valve position is switched reliable, effective guarantee water outlet quality, easy for installation, use simple to operate.

Accompanying drawing explanation

Fig. 1 is embodiment one, two valve body schematic diagram;

Fig. 2 is the plane structure schematic diagram of embodiment one fixed valve plate;

Fig. 3 is the schematic top plan view of embodiment one moving valve plate;

Fig. 4 is that embodiment one, two is at the structural representation along flushing state;

Fig. 5 is that embodiment one is at the relative position schematic diagram along determining moving valve plate under flushing state;

To be embodiment one, two wash the structural representation of No. two state of filter elements at filter-core back-flushing to Fig. 6;

Fig. 7 is that embodiment one washes at a filter-core back-flushing relative position schematic diagram of determining moving valve plate under No. two state of filter elements;

Fig. 8 is that embodiment one, two supplies the structural representation of water state simultaneously at two filter cores;

Fig. 9 is that embodiment one supplies to determine under water state the relative position schematic diagram of moving valve plate at two filter cores simultaneously;

To be embodiment one, two wash the structural representation of a state of filter element at No. two filter-core back-flushings to Figure 10;

Figure 11 is that embodiment one washes at No. two filter-core back-flushings the relative position schematic diagram of determining moving valve plate under a state of filter element;

Figure 12 is the plane structure schematic diagram of embodiment two fixed valve plate;

Figure 13 is the schematic top plan view of embodiment two moving valve plate;

Figure 14 is that embodiment two is at the relative position schematic diagram along determining moving valve plate under flushing state;

Figure 15 is that embodiment two washes at a filter-core back-flushing relative position schematic diagram of determining moving valve plate under No. two state of filter elements;

Figure 16 is that embodiment two supplies to determine under water state the relative position schematic diagram of moving valve plate at two filter cores simultaneously;

Figure 17 is that embodiment two washes at No. two filter-core back-flushings the relative position schematic diagram of determining moving valve plate under a state of filter element;

Figure 18 is embodiment three the structural representation from the direct draining of lid;

Figure 19 is embodiment four, five valve body schematic diagram;

Figure 20 is the plane structure schematic diagram of embodiment four fixed valve plate;

Figure 21 is the schematic top plan view of embodiment four moving valve plate;

Figure 22 is that embodiment four, five is at the structural representation along flushing state;

Figure 23 is that embodiment four is at the relative position schematic diagram along determining moving valve plate under flushing state;

To be embodiment four, five wash the structural representation of No. two state of filter elements at filter-core back-flushing to Figure 24;

Figure 25 is that embodiment four washes at a filter-core back-flushing relative position schematic diagram of determining moving valve plate under No. two state of filter elements;

Figure 26 is that embodiment four, five supplies the structural representation of water state simultaneously at two filter cores;

Figure 27 is that embodiment four supplies to determine under water state the relative position schematic diagram of moving valve plate at two filter cores simultaneously;

To be embodiment four, five wash the structural representation of a state of filter element at No. two filter-core back-flushings to Figure 28;

Figure 29 is that embodiment four washes at No. two filter-core back-flushings the relative position schematic diagram of determining moving valve plate under a state of filter element;

Figure 30 is the plane structure schematic diagram of embodiment five fixed valve plate;

Figure 31 is the schematic top plan view of embodiment five moving valve plate;

Figure 32 is the elevational schematic view of embodiment five moving valve plate;

Figure 33 is that embodiment five the A-A of moving valve plate is to sectional drawing;

Figure 34 is that embodiment five is at the relative position schematic diagram along determining moving valve plate under flushing state;

Figure 35 is that embodiment five washes at a filter-core back-flushing relative position schematic diagram of determining moving valve plate under No. two state of filter elements;

Figure 36 is that embodiment five supplies to determine under water state the relative position schematic diagram of moving valve plate at two filter cores simultaneously;

Figure 37 is that embodiment five washes at No. two filter-core back-flushings the relative position schematic diagram of determining moving valve plate under a state of filter element.

Embodiment

Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.

The three port ultra-filtration elements with sewage draining exit of take below illustrate embodiment as example.As Fig. 1, Fig. 4, Figure 19, shown in Figure 22, when using the utility model, original water inlet 31 on valve body 30 is connected to water supply water pipe, pure water inlet 32 is connected to the water pipe that needs water, a filter core water inlet interface 34 is connected to the water intake 41 of a filter core 40, No. two filter core water inlet interfaces 35 are connected to the water intake 46 of No. two filter cores 45, a filter core blowdown interface 36 is connected to the sewage draining exit 42 of a filter core 40, No. two filter core blowdown interfaces 37 are connected to the sewage draining exit 47 of No. two filter cores 45, after being connected, the water purification mouth 48 of the water purification mouth 43 of a filter core 40 and No. two filter cores 45 is connected to water purification import 38, blowdown interface 33 is connected to the drainage positions such as floor drain.By rotary valve rod 61, rotatable moving valve plate 20 switches the overlap condition different with fixed valve plate 10 to realize difference in functionality.For rotation valve rod, the mode that can adopt hand rotation or program controlled motor actuate valve stem to rotate.

Embodiment one:

Blowdown has adopted the blowdown through hole of driven valve block to arrive by valve rod the technological scheme that lid arrives blowdown interface more again.

As Figure 1-4, use the moving valve plate of determining shown in Fig. 2-3 to combine, a kind of multifunctional control valve, comprise valve body 30, lid 60, valve rod 61, be placed in fixed valve plate 10 and moving valve plate 20 that the employing end face rotary seal in valve body 30 coordinates, moving valve plate 20 is connected with valve rod 61, is provided with original water inlet 31, pure water inlet 32, blowdown interface 33, filter core water inlet interface 34, No. two filter core water inlet interfaces 35, filter core blowdown interface 36, No. two filter core blowdown interfaces 37, water purification import 38 on valve body 30, on fixed valve plate 10, be provided with eight through holes: the first through hole 1, the second through hole 2, third through-hole 3, fourth hole 4, fifth hole 5, the 6th through hole 6, the 7th through hole 7 and the 8th through hole 8, in valve body, the first through hole 1 and the second through hole 2 interconnect and are connected with a filter core water inlet interface 34, third through-hole 3 and fourth hole 4 interconnect and are connected with No. two filter core water inlet interfaces 35, fifth hole 5 is connected with a filter core blowdown interface 36, the 6th through hole 6 is connected with No. two filter core blowdown interfaces 37, the 7th through hole 7 is connected with pure water inlet 32, the 8th through hole 8 is connected with water purification import 38, on moving valve plate 20, be provided with the intake tunnel 21 being connected with original water inlet 31, on moving valve plate, be also provided with conducting blind hole 22 and pollutant exhaust hole and lead to 23, blowdown through hole 23 is communicated to the blowdown interface 33 on valve body 30 by the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60 successively.

Describe four functions of determining the different overlap modes of moving valve plate and producing below in detail.

Suitable pre-washing function: as shown in Fig. 4-5, by rotary valve rod 61, by the intake tunnel on moving valve plate 20 21 with the first through hole 1 on fixed valve plate 10 with third through-hole 3 is overlapping is communicated with, conducting blind hole 22 is with the second through hole 2 on fixed valve plate 10 and fourth hole 4 is overlapping is communicated with, blowdown through hole 23 and fifth hole 5 on fixed valve plate 10 and the 6th through hole 6 is overlapping is communicated with.Under this valve block overlap condition, current are as follows: the intake tunnel 21 of the driven valve block 20 of current that original water inlet 31 enters flow into the first through hole 1 and the third through-hole 3 of fixed valve plate 10, because the first through hole 1 is connected with a filter core water inlet interface 34, third through-hole 3 is connected with No. two filter core water inlet interfaces 35, so current are flowed through, filter core water inlet interface 34 flow into the water intake 41 of a filter core 40, then along flowing into again filter core blowdown interface 36 No. one by sewage draining exit 42 after a filter core 40 of punching, simultaneously flow through No. two filter core water inlet interfaces 35 of current flow into the water intake 46 of No. two filter cores 45, then along flowing into again filter core blowdown interface 37 No. two by sewage draining exit 47 after No. two filter cores 45 of punching, because fifth hole 5 is connected with a filter core blowdown interface 36, the 6th through hole 6 is connected with No. two filter core blowdown interfaces 37, so current flow to fifth hole 5 and the 6th through hole 6, then by the blowdown through hole 23 of moving valve plate 20, again successively by flowing to blowdown interface 33 drainings on valve body 30 after the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60.Now, passive valve block 20 sealings of the 7th through hole 7 and the 8th through hole 8 hide not water flowing, so pure water inlet 32 not water outlets; Due to the first through hole 1 and second through hole 2 conducting in valve body, third through-hole 3 and also conducting in valve body of fourth hole 4, because now the first through hole 1 and third through-hole 3 are all communicated with the intake tunnel 21 of moving valve plate 20, so the second through hole 2 and fourth hole 4 are conductings, the conducting blind hole 22 that is to say moving valve plate 20 covers and on the second through hole 2 and fourth hole 4, has just in time played sealing covering effect.

No. one filter-core back-flushing is washed filter core function No. two: as shown in Fig. 6-7, by rotary valve rod 61, by the intake tunnel on moving valve plate 20 21 and second on fixed valve plate 10, through hole 2 is overlapping is communicated with, through hole 8 is overlapping is communicated with for conducting blind hole 22 and the 8th on fixed valve plate 10, blowdown through hole 23 and overlapping connection of third through-hole 3 on fixed valve plate 10.Under this valve block overlap condition, current are as follows: the intake tunnel 21 of the driven valve block 20 of current that original water inlet 31 enters flow into the second through hole 2 of fixed valve plate 10, because the second through hole 2 is connected with a filter core water inlet interface 34, the filter core water inlet interface 34 so current are flowed through No. one, flow into the water intake 41 of a filter core 40, after filter element filtering, from water purification mouth 43, flow out, and then flow into the water purification mouth 48 of No. two filter cores 45, after No. two filter cores 45 of backwash, from water intake 46, flow out, flow to filter core water inlet interface 35 No. two, because No. two filter core water inlet interface 35 is connected with third through-hole 3, so current flow to third through-hole 3, then by the blowdown through hole 23 of moving valve plate 20, again successively by flowing to blowdown interface 33 drainings on valve body 30 after the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60.Now, passive valve block 20 sealings of the first through hole 1 on fixed valve plate 10, fourth hole 4, fifth hole 5, the 6th through hole 6 and the 7th through hole 7 hide not water flowing, and the 8th through hole 8 is switched on blind hole 22 sealings and hides not water flowing.

Two filter cores are water supply function simultaneously: as Figure 8-9, by rotary valve rod 61, by the intake tunnel on moving valve plate 20 21 with the second through hole 2 on fixed valve plate 10 with fourth hole 4 is overlapping is communicated with, conducting blind hole 22 and the 7th through hole 7 on fixed valve plate 10 and the 8th through hole 8 is overlapping is communicated with, blowdown through hole 23 is hidden not water flowing by fixed valve plate 10 sealings.Under this valve block overlap condition, current are as follows: the intake tunnel 21 of the driven valve block 20 of current that original water inlet 31 enters flow into the second through hole 2 and the fourth hole 4 of fixed valve plate 10, because the second through hole 2 is connected with a filter core water inlet interface 34, the filter core water inlet interface 34 so current are flowed through No. one, flow into the water intake 41 of a filter core 40, after filter element filtering, from water purification mouth 43, flow out, because fourth hole 4 is connected with No. two filter core water inlet interfaces 35, the filter core water inlet interface 35 so current are flowed through No. two, flow into the water intake 46 of No. two filter cores 45, after filter element filtering, from water purification mouth 48, flow out, after converging, the water purification flowing out with the water purification mouth 43 of a filter core 40 flows to water purification import 38, because the 8th through hole 8 is connected with water purification import 38, so current flow to the 8th through hole 8, then conducting blind hole 22 water conservancy diversion through moving valve plate 20 flow into the 7th through hole 7, because the 7th through hole 7 is connected with pure water inlet 32, so current flow out and supply water from pure water inlet 32.Now, passive valve block 20 sealings of the first through hole 1 on fixed valve plate 10, third through-hole 3, fifth hole 5 and the 6th through hole 6 hide not water flowing.

No. two filter-core back-flushing is washed filter core function No. one: as shown in Figure 10-11, by rotary valve rod 61, by the intake tunnel on moving valve plate 20 21 and overlapping connection of third through-hole 3 on fixed valve plate 10, conducting blind hole 22 and overlapping connection of fourth hole 4 on fixed valve plate 10, through hole 1 is overlapping is communicated with for blowdown through hole 23 and first on fixed valve plate 10.Under this valve block overlap condition, current are as follows: the intake tunnel 21 of the driven valve block 20 of current that original water inlet 31 enters flow into the third through-hole 3 of fixed valve plate 10, because third through-hole 3 is connected with No. two filter core water inlet interfaces 35, the filter core water inlet interface 35 so current are flowed through No. two, flow into the water intake 46 of No. two filter cores 45, after filter element filtering, from water purification mouth 48, flow out, and then flow into the water purification mouth 43 of a filter core 40, after filter core 40 of backwash, from water intake 41, flow out, flow to filter core water inlet interface 34 No. one, because No. one filter core water inlet interface 34 is connected with the first through hole 1, so current flow to the first through hole 1, then by the blowdown through hole 23 of moving valve plate 20, again successively by flowing to blowdown interface 33 drainings on valve body 30 after the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60.Now, passive valve block 20 sealings of the second through hole 2 on fixed valve plate 10, fifth hole 5, the 6th through hole 6, the 7th through hole 7 and the 8th through hole 8 hide not water flowing, and fourth hole 4 is switched on blind hole 22 sealings and hides not water flowing.

Embodiment two:

Blowdown has adopted the blowdown through hole of driven valve block to arrive by valve rod the technological scheme that lid arrives blowdown interface more again.

As shown in Fig. 1, Fig. 4, Figure 12-13, use the moving valve plate of determining shown in Figure 12-13 to combine, a kind of multifunctional control valve, comprise valve body 30, lid 60, valve rod 61, be placed in fixed valve plate 10 and moving valve plate 20 that the employing end face rotary seal in valve body 30 coordinates, moving valve plate 20 is connected with valve rod 61, is provided with original water inlet 31, pure water inlet 32, blowdown interface 33, filter core water inlet interface 34, No. two filter core water inlet interfaces 35, filter core blowdown interface 36, No. two filter core blowdown interfaces 37, water purification import 38 on valve body 30, on fixed valve plate 10, be provided with six through holes: a filter core water inlet interface channel 1B, No. two filter core water inlet interface channel 3B, fifth hole 5, the 6th through hole 6, the 7th through hole 7 and the 8th through hole 8, in valve body, No. one filter core water inlet interface channel 1B is connected with a filter core water inlet interface 34, No. two filter core water inlet interface channel 3B is connected with No. two filter core water inlet interfaces 35, fifth hole 5 is connected with a filter core blowdown interface 36, the 6th through hole 6 is connected with No. two filter core blowdown interfaces 37, the 7th through hole 7 is connected with pure water inlet 32, the 8th through hole 8 is connected with water purification import 38, on moving valve plate 20, be provided with the intake tunnel 21B being connected with original water inlet 31, on moving valve plate, be also provided with the logical 23B of conducting blind hole 22B and pollutant exhaust hole, blowdown through hole 23B is communicated to the blowdown interface 33 on valve body 30 by the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60 successively.

Embodiment two is with embodiment one difference: as shown in Fig. 2 and Figure 12 comparison, the first through hole 1 in Fig. 2 and the merged connection of the second through hole 2 are a filter core water inlet interface channel 1B in Figure 12, and the third through-hole 3 in Fig. 2 and the merged connection of fourth hole 4 are No. two filter core water inlet interface channel 3B in Figure 12; As Fig. 3 and Figure 13 relatively as shown in, the intake tunnel 21 of Fig. 3 is an opening, and intake tunnel 21B in Figure 13 is a through hole.Because in embodiment one, the first through hole 1 and the second through hole 2 are communicated with at valve inner, and third through-hole 3 and fourth hole 4 are communicated with at valve inner, so embodiment two is basic identical with embodiment one current logic, here only lift along pre-washing function one example explanation, other three functions just repeat no more.

Suitable pre-washing function: as shown in Fig. 4, Figure 14, by rotary valve rod 61, by the intake tunnel 21B on moving valve plate 20 and filter core water inlet interface channel 1B on fixed valve plate 10 and No. two filter cores water inlets, interface channel 3B is overlapping is communicated with, interface channel 3B is overlapping is communicated with for conducting blind hole 22B and filter core water inlet interface channel 1B on fixed valve plate 10 and No. two filter cores water inlets, blowdown through hole 23B and fifth hole 5 on fixed valve plate 10 and the 6th through hole 6 is overlapping is communicated with.Under this valve block overlap condition, current are as follows: the intake tunnel 21B of the driven valve block 20 of current that original water inlet 31 enters flow into a filter core water inlet interface channel 1B and No. two filter core water inlet interface channel 3B of fixed valve plate 10, because No. one filter core water inlet interface channel 1B is connected with a filter core water inlet interface 34, No. two filter core water inlet interface channel 3B is connected with No. two filter core water inlet interfaces 35, so current are flowed through, filter core water inlet interface 34 flow into the water intake 41 of a filter core 40, then along flowing into again filter core blowdown interface 36 No. one by sewage draining exit 42 after a filter core 40 of punching, simultaneously flow through No. two filter core water inlet interfaces 35 of current flow into the water intake 46 of No. two filter cores 45, then along flowing into again filter core blowdown interface 37 No. two by sewage draining exit 47 after No. two filter cores 45 of punching, because fifth hole 5 is connected with a filter core blowdown interface 36, the 6th through hole 6 is connected with No. two filter core blowdown interfaces 37, so current flow to fifth hole 5 and the 6th through hole 6, then by the blowdown through hole 23B of moving valve plate 20, again successively by flowing to blowdown interface 33 drainings on valve body 30 after the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60.Now, passive valve block 20 sealings of the 7th through hole 7 and the 8th through hole 8 hide not water flowing, so pure water inlet 32 not water outlets; Because intake tunnel 21B is intake with a filter core water inlet interface channel 1B and No. two filter cores, interface channel 3B is overlapping to be communicated with, so conducting blind hole 22B covers on these two passages, has just played sealing covering effect.

No. one filter-core back-flushing is washed filter core function No. two: as shown in Fig. 6, Figure 15.

Two filter cores are water supply function simultaneously: as shown in Fig. 8, Figure 16.

No. two filter-core back-flushing is washed filter core function No. one: as shown in Figure 10, Figure 17.

Embodiment three:

Adopted the technological scheme from blowdown through hole process valve rod to the direct blowdown of lid.

As shown in figure 18, blowdown interface 33B is arranged on lid 60, on moving valve plate 20, be provided with blowdown through hole 23, blowdown through hole 23 is communicated to the blowdown interface 33B on lid 60 by the first blowdown through hole 63 on valve rod 61 and the second blowdown through hole 64 on lid 60 successively.

Embodiment three is only with embodiment one, two difference: embodiment one, two blowdown interface is arranged on valve body, and the passage of blowdown is: by being communicated to the blowdown interface on valve body by the first blowdown through hole on valve rod and the second blowdown through hole on lid successively again after blowdown through hole.Other explanations are all similar, repeat no more here.

Embodiment four:

Adopted by the technological scheme of the 9th through hole blowdown of fixed valve plate.

As shown in Figure 19-22, use the moving valve plate of determining shown in Figure 20-21 to combine, a kind of multifunctional control valve, comprise valve body 30, lid 60, valve rod 61, be placed in fixed valve plate 10 and moving valve plate 20 that the employing end face rotary seal in valve body 30 coordinates, moving valve plate 20 is connected with valve rod 61, is provided with original water inlet 31, pure water inlet 32, blowdown interface 33, filter core water inlet interface 34, No. two filter core water inlet interfaces 35, filter core blowdown interface 36, No. two filter core blowdown interfaces 37, water purification import 38 on valve body 30, on fixed valve plate 10, be provided with eight through holes: the first through hole 1, the second through hole 2, third through-hole 3, fourth hole 4, fifth hole 5, the 6th through hole 6, the 7th through hole 7 and the 8th through hole 8, in valve body, the first through hole 1 and the second through hole 2 interconnect and are connected with a filter core water inlet interface 34, third through-hole 3 and fourth hole 4 interconnect and are connected with No. two filter core water inlet interfaces 35, fifth hole 5 is connected with a filter core blowdown interface 36, the 6th through hole 6 is connected with No. two filter core blowdown interfaces 37, the 7th through hole 7 is connected with pure water inlet 32, the 8th through hole 8 is connected with water purification import 38, the center of fixed valve plate 10 is also provided with the 9th through hole 9, on moving valve plate 20, be provided with the intake tunnel 21 being connected with original water inlet 31, on moving valve plate, be also provided with conducting blind hole 22 and blowdown blind hole 23D, one end of blowdown blind hole 23D is positioned at moving valve plate 20 center, and blowdown blind hole 23D is connected with blowdown interface 33 by the 9th through hole 9.

Embodiment four and embodiment's one, two, three structure difference is only: embodiment four fixed valve plate 10 center is provided with the 9th through hole 9, is provided with blowdown blind hole 23D on moving valve plate 20; And on embodiment one, two, three fixed valve plate, there is no the 9th through hole, what on moving valve plate, arrange is blowdown through hole.This structure difference makes the difference of blowdown mode as follows: embodiment four blowdown mode: flow to the 9th through hole of fixed valve plate by the blowdown blind hole water conservancy diversion of moving valve plate, then flow to the blowdown interface draining on valve body; Embodiment one, two, three blowdown mode: by the blowdown through hole of moving valve plate, more successively by after the first blowdown through hole and the second blowdown through hole on lid on valve rod, by the draining of blowdown interface.So take a single example, a filter-core back-flushing is washed to No. two filter core functions here and be elaborated, other three functions repeat no more.

No. one filter-core back-flushing is washed filter core function No. two: as shown in Figure 24-25, by rotary valve rod 61, by the intake tunnel on moving valve plate 20 21 and second on fixed valve plate 10, through hole 2 is overlapping is communicated with, through hole 8 is overlapping is communicated with for conducting blind hole 22 and the 8th on fixed valve plate 10, blowdown blind hole 23D and third through-hole 3 on fixed valve plate 10 and the 9th through hole 9 is overlapping is communicated with.Under this valve block overlap condition, current are as follows: the intake tunnel 21 of the driven valve block 20 of current that original water inlet 31 enters flow into the second through hole 2 of fixed valve plate 10, because the second through hole 2 is connected with a filter core water inlet interface 34, the filter core water inlet interface 34 so current are flowed through No. one, flow into the water intake 41 of a filter core 40, after filter element filtering, from water purification mouth 43, flow out, and then flow into the water purification mouth 48 of No. two filter cores 45, after No. two filter cores 45 of backwash, from water intake 46, flow out, flow to filter core water inlet interface 35 No. two, because No. two filter core water inlet interface 35 is connected with third through-hole 3, so current flow to third through-hole 3, by the blowdown blind hole 23D water conservancy diversion of moving valve plate 20, flow to the 9th through hole 9 of fixed valve plate 10, because the 9th through hole 9 and blowdown interface 33 are connected, so current flow to 33 drainings of blowdown interface.Now, passive valve block 20 sealings of the first through hole 1 on fixed valve plate 10, fourth hole 4, fifth hole 5, the 6th through hole 6 and the 7th through hole 7 hide not water flowing, and the 8th through hole 8 is switched on blind hole 22 sealings and hides not water flowing.

Suitable pre-washing function: as shown in Figure 22, Figure 23.

Two filter cores are water supply function simultaneously: as shown in Figure 26, Figure 27.

No. two filter-core back-flushing is washed filter core function No. one: as shown in Figure 28, Figure 29.

Embodiment five:

Adopted by the technological scheme of the 9th through hole blowdown of fixed valve plate.

As shown in Figure 19, Figure 22, Figure 30-33, use the moving valve plate of determining shown in Figure 30-31 to combine, a kind of multifunctional control valve, comprise valve body 30, lid 60, valve rod 61, be placed in fixed valve plate 10 and moving valve plate 20 that the employing end face rotary seal in valve body 30 coordinates, moving valve plate 20 is connected with valve rod 61, is provided with original water inlet 31, pure water inlet 32, blowdown interface 33, filter core water inlet interface 34, No. two filter core water inlet interfaces 35, filter core blowdown interface 36, No. two filter core blowdown interfaces 37, water purification import 38 on valve body 30, on fixed valve plate 10, be provided with six through holes: a filter core water inlet interface channel 1B, No. two filter core water inlet interface channel 3B, fifth hole 5, the 6th through hole 6, the 7th through hole 7 and the 8th through hole 8, in valve body, No. one filter core water inlet interface channel 1B is connected with a filter core water inlet interface 34, No. two filter core water inlet interface channel 3B is connected with No. two filter core water inlet interfaces 35, fifth hole 5 is connected with a filter core blowdown interface 36, the 6th through hole 6 is connected with No. two filter core blowdown interfaces 37, the 7th through hole 7 is connected with pure water inlet 32, the 8th through hole 8 is connected with water purification import 38, the center of fixed valve plate 10 is also provided with the 9th through hole 9, on moving valve plate 20, be provided with the intake tunnel 21B being connected with original water inlet 31, on moving valve plate, be also provided with conducting blind hole 22B and blowdown blind hole 23C, blowdown blind hole 23C comprises back cover, along the upwardly extending sidewall of back cover and the beam between sidewall 24, beam 24 is arranged on the centre of top side wall, one end of blowdown blind hole 23C is positioned at moving valve plate 20 center, and blowdown blind hole 23C is connected with blowdown interface 33 by the 9th through hole 9.

Embodiment five is with embodiment four difference: as shown in Figure 20 and Figure 30 comparison, the first through hole 1 in Figure 20 and the merged connection of the second through hole 2 are a filter core water inlet interface channel 1B in Figure 30, and the third through-hole 3 in Figure 20 and the merged connection of fourth hole 4 are No. two filter core water inlet interface channel 3B in Figure 30; As shown in Figure 21 and Figure 31-33 comparison, the intake tunnel 21 of Figure 21 is an opening, and intake tunnel 21B in Figure 31 is a through hole, the blowdown blind hole 23D of Figure 21 does not have beam, and blowdown blind hole 23C in Figure 33 is provided with beam 24, as shown in figure 35, the effect of beam 24 has been to isolate the water route between blowdown blind hole 23C and a filter core water inlet interface channel 1B.Because in embodiment four, the first through hole 1 and the second through hole 2 are communicated with at valve inner, third through-hole 3 and fourth hole 4 are communicated with at valve inner, so embodiment five is basic identical with embodiment four current logic, here take a single example and a filter-core back-flushing is washed to No. two filter core functions be elaborated, other three functions just repeat no more.

No. one filter-core back-flushing is washed filter core function No. two: as shown in Figure 24, Figure 35, by rotary valve rod 61, intake tunnel 21B on moving valve plate 20 is intake with a filter core on fixed valve plate 10, and interface channel 1B is overlapping to be communicated with, through hole 8 is overlapping is communicated with for conducting blind hole 22B and the 8th on fixed valve plate 10, blowdown blind hole 23C and No. two filter cores water inlet interface channel 3B on fixed valve plate 10 and the 9th through hole 9 is overlapping is communicated with.Under this valve block overlap condition, current are as follows: the intake tunnel 21B of the driven valve block 20 of current that original water inlet 31 enters flow into a filter core water inlet interface channel 1B of fixed valve plate 10, because No. one filter core water inlet interface channel 1B is connected with a filter core water inlet interface 34, the filter core water inlet interface 34 so current are flowed through No. one, flow into the water intake 41 of a filter core 40, after filter element filtering, from water purification mouth 43, flow out, and then flow into the water purification mouth 48 of No. two filter cores 45, after No. two filter cores 45 of backwash, from water intake 46, flow out, flow to filter core water inlet interface 35 No. two, because No. two filter core water inlet interface 35 is connected with No. two filter core water inlet interface channel 3B, so current flow to filter core water inlet interface channel 3B No. two, by the blowdown blind hole 23C water conservancy diversion of moving valve plate 20, flow to the 9th through hole 9 of fixed valve plate 10, because the 9th through hole 9 and blowdown interface 33 are connected, so current flow to 33 drainings of blowdown interface.Now, passive valve block 20 sealings of the fifth hole 5 on fixed valve plate 10, the 6th through hole 6 and the 7th through hole 7 hide not water flowing, and the 8th through hole 8 is switched on blind hole 22B sealing and hides not water flowing.

Suitable pre-washing function: as shown in Figure 22, Figure 34.

Two filter cores are water supply function simultaneously: as shown in Figure 26, Figure 36.

No. two filter-core back-flushing is washed filter core function No. one: as shown in Figure 28, Figure 37.

The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.For example: the position of adjusting intake tunnel, conducting blind hole and drain outlet on moving valve plate; Change the intake connected relation of interface, filter core blowdown interface, No. two filter core blowdown interfaces, water purification import of through hole on fixed valve plate and pure water inlet, filter core water inlet interface, No. two filter cores, these simply change, replace is all within protection domain of the present utility model.

Claims (7)

1. a multifunctional control valve, comprise valve body, lid, valve rod, be placed in fixed valve plate and moving valve plate that the employing end face rotary seal in valve body coordinates, moving valve plate is connected with valve rod, it is characterized in that: on described control valve, be provided with original water inlet, pure water inlet, blowdown interface, filter core water inlet interface, No. two filter core water inlet interfaces, filter core blowdown interface, No. two filter core blowdown interfaces and water purification import; On described fixed valve plate, be provided with: a filter core water inlet interface channel, No. two filter core water inlet interface channels, fifth hole, the 6th through hole, the 7th through hole and the 8th through holes, in control valve, a filter core water inlet interface channel and a filter core water inlet interface are connected, No. two filter core water inlet interface channel is connected with No. two filter core water inlet interfaces, fifth hole is connected with a filter core blowdown interface, the 6th through hole is connected with No. two filter core blowdown interfaces, the 7th through hole is connected with pure water inlet, and the 8th through hole is connected with water purification import; On described moving valve plate, be provided with the intake tunnel being connected with original water inlet, be also provided with conducting blind hole and drain outlet on moving valve plate, described drain outlet is connected with described blowdown interface.

2. multifunctional control valve as claimed in claim 1, is characterized in that: described filter core water inlet interface channel comprises the first through hole and the second through hole, and described the first through hole and the second through hole are interconnected and are connected with described filter core water inlet interface; Described No. two filter cores water inlet interface channel comprises third through-hole and fourth hole, and described third through-hole and fourth hole are interconnected and are connected with No. two filter core water inlet interfaces.

3. multifunctional control valve as claimed in claim 1 or 2, it is characterized in that: described drain outlet is blowdown through hole, described blowdown interface is arranged on valve body, and described blowdown through hole is communicated to the blowdown interface on valve body by the first blowdown through hole on valve rod and the second blowdown through hole on lid successively.

4. multifunctional control valve as claimed in claim 1 or 2, it is characterized in that: described drain outlet is blowdown through hole, described blowdown interface is arranged on lid, and described blowdown through hole is communicated to the blowdown interface on lid by the first blowdown through hole on valve rod and the second blowdown through hole on lid successively.

5. multifunctional control valve as claimed in claim 1 or 2, it is characterized in that: described drain outlet is blowdown blind hole, on described fixed valve plate, be also provided with the 9th through hole, described blowdown interface is arranged on valve body, and described blowdown blind hole is connected with blowdown interface by described the 9th through hole.

6. multifunctional control valve as claimed in claim 5, is characterized in that: the 9th through hole on described fixed valve plate is positioned at the center of fixed valve plate, and one end of the blowdown blind hole on described moving valve plate is positioned at the center of moving valve plate.

7. multifunctional control valve as claimed in claim 6, is characterized in that: described blowdown blind hole comprises back cover, along the upwardly extending sidewall of back cover and the beam between sidewall, and described beam is arranged on the centre of top side wall.

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