CN114100230B - Water treatment filtration system and multi-way valve - Google Patents

Water treatment filtration system and multi-way valve Download PDF

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Publication number
CN114100230B
CN114100230B CN202111246226.6A CN202111246226A CN114100230B CN 114100230 B CN114100230 B CN 114100230B CN 202111246226 A CN202111246226 A CN 202111246226A CN 114100230 B CN114100230 B CN 114100230B
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China
Prior art keywords
valve
opening
water
outlet
filtering
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CN202111246226.6A
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CN114100230A (en
Inventor
谢晓建
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Dongguan Qian Yi Hong Water Treatment Equipment Co ltd
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Dongguan Qian Yi Hong Water Treatment Equipment Co ltd
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Priority to CN202111246226.6A priority Critical patent/CN114100230B/en
Publication of CN114100230A publication Critical patent/CN114100230A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/688Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/074Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/04Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F16K27/045Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention relates to a water treatment filtering system and a multi-way valve, wherein the multi-way valve is provided with a water inlet, a water outlet, a filtering inlet, a filtering outlet and a sewage outlet, at least 3 water outlets are arranged in the multi-way valve, when all the filters work normally, water enters the multi-way valve from the water inlet and then reaches the filters respectively through the water outlets, filtered water is discharged through the filtering outlets, when one filter is used for backwashing and cleaning other filters, the water outlet corresponding to the filter for backwashing and cleaning is not communicated with the water inlet, the filtering inlet is not communicated with the filtering outlet, the water outlet corresponding to the filter for backwashing and cleaning is communicated with the sewage outlet, and the water discharged by normal filtration of other filters reaches the water outlet end of the filter for backwashing and cleaning through the main filtering water pipe, and is discharged from the sewage outlet after the filter is pressurized and cleaned.

Description

Water treatment filtration system and multi-way valve
Technical Field
The invention relates to the field of water treatment equipment, in particular to a water treatment filtering system and a multi-way valve.
Background
The sand filter is a high-efficiency filtering device which can reduce water turbidity and purify water quality finally by utilizing quartz sand as a filtering medium and filtering water with high turbidity through granular or non-granular quartz sand with certain thickness under certain pressure, effectively intercepting suspended matters, organic matters, colloid particles, microorganisms, chlorine, smell, partial heavy metal ions and the like in the water, wherein the sand filter can really realize water treatment filtration only by matching with a valve, the valve is arranged above the sand filter valve and mainly plays the roles of switching normal working water flow direction and backwashing cleaning water flow direction, when the sand filter valve works and filters normally, water flows into the sand filtering inner layer of the sand filter through a side flow channel of the valve, dirty water in the water blocked by the sand filtering inner layer flows into the center of the sand filter after penetrating through the filtering inner layer and is discharged through a filtering water outlet of the valve, and the water is discharged at the moment as filtered water.
The water treatment and filtration system with the traditional structure has the defects that when a plurality of sand filters work together, a plurality of valves cannot be used in series, a plurality of pipelines are required to be paved to be independently conveyed to each valve, the assembly is very tedious, the rapid work cannot be realized, the structural design is very limited, the water channel flow direction cannot be flexibly changed according to the use requirement, the use convenience and the flexibility are insufficient, and because the quartz sand is flushed by the large water pressure for backwashing, a plurality of water pumps are required to be equipped, and the manufacturing cost is very high.
In addition, the existing valve is simple in structure, the internal channel switching state is small, when a plurality of water purifiers work together, the valves are required to cooperate to work, quick work cannot be achieved, structural design is very limited, the flow direction of a water channel cannot be flexibly changed according to use requirements, the use range is very limited, and the use convenience and flexibility are insufficient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a water treatment filtering system and a multi-way valve, and the specific technical scheme is as follows:
a water treatment filtration system comprises a multi-way valve, filters, a filter water inlet pipe, a filter water outlet pipe and a total filter water pipe, wherein the multi-way valve is provided with at least 3 water inlets, water outlets, a filter inlet, a filter outlet and a drain outlet, the number of the water outlets is corresponding to that of the filters, each filter is provided with a water inlet end and a water outlet end, each water outlet is connected with the water inlet end of 1 filter through 1 filter water inlet pipe, the water outlet end of the filter is connected with the filter water outlet pipe, each filter water outlet pipe is connected with the total filter water pipe in parallel, the total filter water pipe is connected with the filter inlet,
when all filters work normally, the water inlet is communicated with each water outlet, the filtering inlet is communicated with the filtering outlet, water enters the multipath valve from the water inlet and then reaches the filters respectively through the water outlets, the filtered water is discharged through the filtering outlets,
when one filter is backwashed and the other filters are cleaned, the water outlet corresponding to the backwashed and cleaned filter is not communicated with the water inlet, the filtering inlet is not communicated with the filtering outlet, the water outlet corresponding to the backwashed and cleaned filter is communicated with the sewage outlet, the water discharged by normal filtration of the other filters reaches the water outlet end of the backwashed and cleaned filter through the main filtering water pipe, and the water is discharged from the sewage outlet after being pressurized and cleaned.
As a preferable scheme of the water treatment and filtration system, the number of the filters and the water outlets is 3, the number of the filter water inlet pipes and the filter water outlet pipes is 3, and the 3 filter water outlet pipes are connected in parallel to the total filter water pipe.
As a preferred embodiment of a water treatment filtration system, the filter is a sand filter.
A multi-way valve comprises a valve body, a motor, a transmission mechanism, a valve rod, a first valve core and a second valve core, wherein the first valve cavity, the second valve cavity, the third valve cavity and the fourth valve cavity are sequentially arranged in the valve body from bottom to top, a water inlet, a water outlet, a filtering inlet, a filtering outlet and a sewage outlet are arranged on the outer side of the valve body, the first valve cavity is communicated with the water inlet, the second valve cavity is communicated with the sewage outlet, the first valve core is arranged in the second valve cavity, the third valve cavity is communicated with the water outlet, the second valve core is arranged in the fourth valve cavity, the motor drives the valve rod to rotate through the transmission mechanism, the valve rod drives the first valve core and the second valve core to rotate, the first valve core controls the water inlet to be communicated with the water outlet, the water outlet to be communicated with the sewage outlet, and the second valve core controls the filtering inlet to be communicated with the filtering outlet.
As a preferable scheme of the multi-way valve, the water inlet is 1 at the lower part of the outer side of the valve body, the sewage outlet is 1 at the upper part of the water inlet, the water outlet is 3, the number of the filtering inlets and the filtering outlets is 1 respectively, and the filtering inlets and the filtering outlets are arranged at the upper part of the outer side of the valve body.
As a preferable scheme of the multi-way valve, the first valve core comprises a first upper valve block, a first middle valve block and a first lower valve block, the first upper valve block and the first lower valve block are fixedly arranged in the second valve cavity, the first middle valve block is positioned between the first upper valve block and the first lower valve block, the valve rod drives the first middle valve block to rotate, the first upper valve block is provided with a first upper closed port and a first upper opening, the first middle valve block is provided with a first middle opening and a sewage discharging gap, the first lower valve block is provided with a first lower closed port and a first lower opening, and the first upper opening, the first middle opening and the first lower opening are aligned; the first valve cavity is communicated with the third valve cavity so as to enable the water inlet to be communicated with the water outlet, and when the first upper closed opening, the first middle opening and the first lower closed opening are aligned; the water inlet is not communicated with the water outlet, and when the first upper opening and the sewage discharging notch are aligned; the water outlet is communicated with the sewage outlet.
As a preferable scheme of the multi-way valve, the number of the first upper closed openings is 1, the number of the first upper openings is 6, the first upper closed openings and the first upper openings are circumferentially arranged around the central axis of the first upper valve plate, the number of the first middle openings is 6, the number of the pollution discharge gaps is 1, the number of the first middle openings is circumferentially arranged around the central axis of the first middle valve plate, the number of the first lower closed openings is 1, the number of the first lower openings is 6, the first lower closed openings and the first lower openings are circumferentially arranged around the central axis of the first lower valve plate, the first upper valve plate, the first middle valve plate and the first lower valve plate are coaxially arranged, the first upper opening, the first middle opening and the first lower opening are through holes, and the pollution discharge gaps are blind holes.
As a preferable scheme of the multi-way valve, the second valve core comprises a second upper valve block, a second middle valve block and a second lower valve block, the second upper valve block and the second lower valve block are fixedly arranged in the fourth valve cavity, the second middle valve block is positioned between the second upper valve block and the second lower valve block, the valve rod drives the second middle valve block to rotate, the second upper valve block is provided with a second upper closed port and a second upper opening, the second middle valve block is provided with a second middle closed port, a second middle filtering inlet, a second middle filtering outlet and a transition channel, the second middle filtering inlet is normally communicated with the second middle filtering outlet through the transition channel, the second lower valve block is fully closed, and when the second upper opening is aligned with the second middle filtering inlet and the second upper opening is aligned with the second middle filtering outlet; the filtering inlet is communicated with the filtering outlet, and the second upper opening is aligned with the second middle closed opening; the filter inlet is not in communication with the filter outlet.
As a preferred scheme of the multi-way valve, the number of the second upper closed openings is 2, and the number of the second upper openings is 6, and the second upper closed openings and the second upper openings are circumferentially arranged around the central axis of the second upper valve plate.
As a preferred scheme of multiple unit valve, the valve body includes valve casing, well valve casing and lower valve casing, and the valve casing is installed in well valve casing top, filters import, filtration export and sets up in the valve casing top, forms the fourth valve pocket between upper valve casing and the well valve casing, and the third valve pocket sets up in well valve casing inside, installs the lower valve casing in well valve casing below, forms the second valve pocket between well valve casing and the lower valve casing, and first valve pocket sets up in the inside of lower valve casing.
As a preferred scheme of the multi-way valve, a motor fixing shell is arranged below the lower valve shell, a transmission mechanism is arranged in the motor fixing shell, a motor is arranged on the motor fixing shell, the motor is arranged in a motor cavity of the lower valve shell, the transmission mechanism comprises a pinion and a large gear, the pinion is arranged on an output shaft of the motor, the small gear is meshed with the large gear, and the large gear is arranged at the bottom end of the valve rod.
The beneficial effects are that:
the water treatment filtering system is reasonable in structural design, when all filters work normally, the water inlet is communicated with each water outlet, the filtering inlet is communicated with the filtering outlet, water enters the multi-way valve from the water inlet and then reaches the filters respectively through the water outlets, filtered water is discharged through the filtering outlets, when one of the filters is used for backwashing and cleaning other filters to filter normally, the water outlet corresponding to the filter for backwashing and cleaning is not communicated with the water inlet, the filtering inlet is not communicated with the filtering outlet, the water outlet corresponding to the filter for backwashing and cleaning is communicated with the sewage outlet, the water discharged by normal filtration of other filters reaches the water outlet end of the filter for backwashing and cleaning through the total filtering water pipe, the water pressure of the water discharged by other normal working filters is discharged after the water pressure is increased and the filter is cleaned, the effective cleaning of the filter by the backwashing water pressure is guaranteed, the water pump is not required to be additionally increased, the cost is saved, and the actual use requirement is met. The multi-way valve is reasonable in structural design, and through the mutual matching of the first valve cavity, the second valve cavity, the third valve cavity, the fourth valve cavity, the first valve core and the second valve core, the first valve core controls the water inlet to be communicated with the water outlet, the water outlet to be communicated with the sewage outlet, the second valve core controls the filtering inlet to be communicated with the filtering outlet, the pipeline is fast and reasonable in switching, the application range is wide, the use is flexible, and various requirements of the water treatment filtering system are met.
Drawings
FIG. 1 is a schematic view of a water treatment filtration system of the present invention;
FIG. 2 is a schematic view of the water flow direction of the filter of the present invention in normal filtration operation;
FIG. 3 is a schematic illustration of the water flow direction as filtered by the water treatment filtration system of the present invention;
FIG. 4 is a schematic illustration of the water flow direction of the water treatment filtration system of the present invention during backwash;
FIG. 5 is a perspective view of a multiway valve of the present invention;
FIG. 6 is a perspective view of another view of the multiway valve of the present invention;
FIG. 7 is an exploded view of the multiple-way valve of the present invention;
FIG. 8 is a cross-sectional view of the structure of the multiway valve of the present invention;
FIG. 9 is an exploded view of the first valve spool of the present invention;
FIG. 10 is an exploded view of a second valve cartridge of the present invention;
FIG. 11 is a perspective view of a second intermediate valve plate of the present invention;
FIG. 12 is an exploded view of the valve body of the present invention;
fig. 13 is a perspective view of the middle valve housing of the present invention;
FIG. 14 is a perspective view of the motor and drive mechanism of the present invention;
FIG. 15 is a top view of the multiple-way valve of the present invention in a filtered state;
FIG. 16 is a cross-sectional view taken along the direction A-A in FIG. 15;
FIG. 17 is a cross-sectional view taken in the direction B-B of FIG. 15;
FIG. 18 is a cross-sectional view taken along the direction C-C in FIG. 15;
FIG. 19 is a top view of the multiple-way valve of the present invention in a backwashed state;
FIG. 20 is a cross-sectional view taken in the direction D-D of FIG. 19;
FIG. 21 is a cross-sectional view taken along the direction E-E in FIG. 19;
fig. 22 is a cross-sectional view in the direction F-F of fig. 19.
Detailed Description
The following describes the embodiments of the present invention further with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1 and 2, a water treatment filtration system comprises a multi-way valve 01, filters 02, a filter water inlet pipe 03, a filter water outlet pipe 04 and a total filter water pipe 05, wherein the multi-way valve 01 is provided with a water inlet 1a, water outlets 1b, a filter inlet 1c, a filter outlet 1d and a drain outlet 1e, at least 3 water outlets 1b are arranged, the number of the water outlets 1b corresponds to that of the filters 02, each filter 02 is provided with a water inlet end and a water outlet end, each water outlet 1b is connected with the water inlet ends of 1 filter 02 through 1 filter water inlet pipe 03, the water outlet ends of the filters 02 are connected with the filter water outlet pipe 04, each filter water outlet pipe 04 is connected with the total filter water pipe 05 in parallel, and the total filter water pipe 05 is connected with the filter inlet 1c.
Specifically, there are 3 filters 02 and 1b, the filter 02 is a sand filter, the sand filter filters and back flushing are in the prior art, there are 3 filter water inlet pipes 03 and 3 filter water outlet pipes 04, and the 3 filter water outlet pipes 03 are connected in parallel with the total filtering water pipe 05. As shown in fig. 3, when all the filters 02 are in normal operation, the water inlet 1a is communicated with each water outlet 1b, water enters from the water inlet 1a to reach 3 water outlets 1b through the internal channels of the multi-way valve 01, then respectively reach 3 filters 02 through 3 filter water inlet pipes 03, filtered water is discharged from the water outlet ends of the filters 02 to the filter water outlet pipes 04, the water is guided to be discharged to the total filter water pipes 05 through the filter water outlet pipes 04, and the water is guided to be discharged to the filter inlet 1c through the total filter water pipes 05, and finally the filtered water is discharged through the filter outlet 1d because the filter inlet 1c is communicated with the filter outlet 1 d. As shown in fig. 4, when one of the filters 02 is backwashed and cleaned and the other 2 filters 02 are filtered normally, the water outlet 1b corresponding to the filter to be backwashed and cleaned is not communicated with the water inlet 1a, the filtering inlet 1c is not communicated with the filtering outlet 1d, the water outlet 1b corresponding to the filter to be backwashed and cleaned is communicated with the sewage outlet 1e, water enters from the water inlet 1a to the 2 water outlets 1b through the internal channel of the multiplex valve 01, the 2 water outlets 1b respectively reach the 2 filters 02 through the 2 filter water inlet pipes 03, the filtered water is discharged from the water outlet ends of the filters 02 to the 2 filter water outlet pipes 04, the water is guided to be discharged to the total filtering water pipe 05 through the filter water outlet pipe 04, the total filtering water pipe 05 is guided to enter the filter water outlet pipe 04 of the backwash filter 02 at this time, the filter water outlet pipe 04 is guided to enter the water outlet end of the backwash filter 02, the water inlet 03 is pressurized by the water pressure of the two filters, and then discharged to the corresponding filter water inlet pipes 03 through the water inlet ends of the filter 02 after pressurizing the sand filter 02, and finally discharged from the sewage outlet 1b to the sewage outlet 1e in the directions shown by arrows of fig. 3 and 4.
As shown in figures 5-8, a multi-way valve can be used in the water treatment filtration system and comprises a valve body 1, a motor 2, a transmission mechanism 3, a valve rod 4, a first valve core 5 and a second valve core 6, wherein the valve body 1 is internally provided with a first valve cavity 1f, a second valve cavity 1g, a third valve cavity 1h and a fourth valve cavity 1i from bottom to top in sequence, the outer side of the valve body 1 is provided with a water inlet 1a, a water outlet 1b, a filtration inlet 1c, a filtration outlet 1d and a drain outlet 1e, the first valve cavity 1f is communicated with the water inlet 1a, the second valve cavity 1g is communicated with the drain outlet 1e, the second valve cavity 1g is internally provided with the first valve core 5, the third valve cavity 1h is communicated with the water outlet 1b, the fourth valve cavity 1i is internally provided with the second valve core 6, the motor 2 drives the valve rod 4 to rotate through the transmission mechanism 3, the valve rod 4 penetrates into the first valve cavity 1f, the second valve cavity 1g, the third valve cavity 1h and the fourth valve cavity 1i and is connected with the first valve core 5 and the second valve core 6, the valve rod 4 drives the first valve core 5 and the second valve core 6 to rotate, the second valve cavity 6 is switched between the first valve cavity 1g and the second valve cavity 6 and the second valve cavity 1g and the drain outlet 1b is communicated with the drain outlet 1 b.
Specifically, 1 water inlet 1a is located the lower part in the outside of valve body 1, and drain 1e has 1 to be located water inlet 1a top, and delivery port 1b has 3, and two delivery ports 1b are about and the intermediate water outlet 1b between the contained angle be 90 degrees, and filtration import 1c, filtration export 1d have 1 respectively, and filtration import 1c, filtration export 1d are located valve body 1 outside top.
As shown in fig. 8 and 9, the first valve core 5 includes a first upper valve plate 51, a first middle valve plate 52 and a first lower valve plate 53, the first upper valve plate 51, the first lower valve plate 53 are fixedly installed in the second valve cavity 1b, the first middle valve plate 52 is located between the first upper valve plate 51, the first lower valve plate 53, the first upper valve plate 51, the first lower valve plate 53 are stationary when the valve rod drives the first middle valve plate 53 to rotate, the first upper valve plate 51 is provided with a first upper closed opening 51a and a first upper opening 51b, 1 first upper closed opening 51a and 6 first upper openings 51b are arranged circumferentially around a central axis of the first upper valve plate, a central angle corresponding to each first upper opening 51b is 45 degrees, a central angle corresponding to the first upper closed opening 51a is 90 degrees, the first middle valve plate 52 is provided with a first middle opening 52a and a drain notch 52b, the number of the first middle openings 52a is 6, the number of the drain gaps 52b is 1, the drain gaps 52b and the first middle openings 52a are circumferentially arranged around the central axis of the first middle valve plate, the central angle corresponding to each first middle opening 52a is 45 degrees, the central angle corresponding to the drain gap 52b is 90 degrees, the first lower valve plate 53 is provided with a first lower closed opening 53a and a first lower opening 53b, 1 first lower closed opening 53a and 6 first lower openings 53b are circumferentially arranged around the central axis of the first lower valve plate, the central angle corresponding to each first lower opening 53b is 45 degrees, the central angle corresponding to the first lower closed opening 53a is 90 degrees, the first upper valve plate 51, the first middle valve plate 52 and the first lower valve plate 53 are coaxially arranged, the first upper opening 51b, the first middle opening 52a and the first lower opening 53b are through holes and have the same shape as a fan-shaped blind hole, and the drain gaps 52b are blind holes. When the first upper opening 51b, the first middle opening 52a, and the first lower opening 53b are all aligned, the first valve chamber 1f communicates with the third valve chamber 1h so that the water inlet 1a communicates with the water outlet 1b, water enters the first valve chamber 1f from the water inlet 1a and then passes through the first lower opening 53b, the first middle opening 52a, and the first upper opening 51b in this order from bottom to top to reach the third valve chamber 1h, and finally the water to be purified and filtered is discharged from the 3 water outlets 1b (as shown in fig. 16 and 17). When the first middle valve plate 52 rotates 90 degrees, the first upper closed opening 51a, the two adjacent first middle openings 52a and the first lower closed opening 53b are aligned, water is prevented from reaching the water outlet corresponding to the backwashing (the other 4 water outlets of the first upper opening 51b, the first middle opening 52a and the first lower opening 53b which are aligned can normally discharge water), meanwhile, the two first upper openings 51b align with the sewage discharging notch 52b, the water outlet 1b corresponding to the backwashing is communicated with the second chamber and then communicated with the sewage discharging outlet 1e, and the backwashing water is discharged from the sewage discharging outlet 1e (as shown in fig. 20 and 21).
As shown in fig. 10 and 11, the second valve core 6 includes a second upper valve block 61, a second middle valve block 62 and a second lower valve block 63, the second upper valve block 61 and the second lower valve block 63 are fixedly installed in the fourth valve cavity 1i, the second middle valve block 62 is located between the second upper valve block 61 and the second lower valve block 63, when the valve rod drives the second middle valve block 62 to rotate, the second upper valve block 61 and the second lower valve block 63 are fixed, the second upper valve block 61 is provided with a second upper closed port 61a and a second upper opening 61b, 2 second upper closed ports 61a and 6 second upper openings 61b are arranged circumferentially around the central axis of the second upper valve block 61, the central angles corresponding to the single second upper closed ports 61a and the second upper openings 61b are 45 degrees, the second middle valve block 62 is provided with a second middle closed port 62a, a second middle filter inlet 62b, a second middle filter outlet 62c and a transition channel 62d, the second middle closed port 62a, the second middle filter outlet 62b and the second middle valve rod 62c are arranged circumferentially around the central axis of the second upper valve block 62b, and the second middle filter outlet 62c is arranged circumferentially around the central axis of the second middle filter outlet 62 b. When the second upper opening 61b is aligned with the second middle filter inlet 62b, the second upper opening 61b is aligned with the second middle filter outlet 62 c; the filter inlet 1c communicates with the filter outlet 1d through the second upper opening 61b, the second middle filter inlet 62b, the transition passage 62d, the second middle filter outlet 62c, and the second upper opening 61b in this order (as shown in fig. 18). When the second middle valve plate 62 rotates 90 degrees, the second upper opening 61b is aligned with the second middle closed opening 62 a; the filter inlet 1c is not in communication with the filter outlet 1d (as shown in fig. 22).
As shown in fig. 12 and 13, the valve body 1 comprises an upper valve casing 11, a middle valve casing 12 and a lower valve casing 13, the upper valve casing 11 is arranged above the middle valve casing 12, a filtering inlet 1c and a filtering outlet 1d are arranged above the upper valve casing 13, a fourth valve cavity 1i is formed between the upper valve casing 11 and the middle valve casing 12, a second upper valve plate 61 is embedded into the inner wall of the upper valve casing 11, a second lower valve plate 63 is embedded into the inner wall of the upper part of the middle valve casing 12, a third valve cavity 1h is arranged inside the middle valve casing 12, a partition 14 is arranged in the third valve cavity 1h, the partition 14 divides the third valve cavity 1h into 4 equal parts to ensure that water outlets are mutually independent, a drain outlet and a water outlet are arranged inside the middle valve casing 12, a lower valve casing 13 is arranged below the middle valve casing 12, a water inlet is arranged in the lower valve casing 13, a second valve cavity 1g is formed between the middle valve casing 12 and the lower valve casing 13, a first upper valve plate 51 is embedded into the inner wall above the second valve cavity 1g, a first lower valve plate 53 is embedded into the inner wall below the second valve cavity 1g, and a waterproof ring is arranged inside the lower valve cavity 13 f in order to prevent water leakage.
As shown in fig. 14, a motor fixing shell 7 is installed below the lower valve shell 13, a transmission mechanism 3 is installed in the motor fixing shell 7, a motor 2 is installed on the motor fixing shell 7, the motor 2 is installed in a motor cavity of the lower valve shell 13, the transmission mechanism 3 comprises a pinion and a large gear, the pinion is installed on an output shaft of the motor, the small gear is meshed with the large gear, the large gear is installed at the bottom end of the valve rod 4, the motor 2 drives the small gear to rotate, and the small gear drives the large gear to rotate so as to drive the valve rod 4 to rotate.
While the invention has been described in detail in connection with specific preferred embodiments, it is not to be construed as limited to the specific embodiments of the invention, but rather as a matter of course, it will be understood by those skilled in the art that various modifications and substitutions can be made without departing from the spirit and scope of the invention.

Claims (7)

1. A multiple-way valve for a water treatment filtration system, characterized by: the valve comprises a valve body, a motor, a transmission mechanism, a valve rod, a first valve core and a second valve core, wherein the first valve cavity, the second valve cavity, a third valve cavity and a fourth valve cavity are sequentially arranged in the valve body from bottom to top; the first valve core comprises a first upper valve block, a first middle valve block and a first lower valve block, the first upper valve block and the first lower valve block are fixedly arranged in the second valve cavity, the first middle valve block is positioned between the first upper valve block and the first lower valve block, the valve rod drives the first middle valve block to rotate, the first upper valve block is provided with a first upper closed port and a first upper opening, the first middle valve block is provided with a first middle opening and a sewage discharging gap, the first lower valve block is provided with a first lower closed port and a first lower opening, and the first upper opening, the first middle opening and the first lower opening are aligned; the first valve cavity is communicated with the third valve cavity so as to enable the water inlet to be communicated with the water outlet, and when the first upper closed opening, the first middle opening and the first lower closed opening are aligned; the water inlet is not communicated with the water outlet, and when the first upper opening and the sewage discharging notch are aligned; the water outlet is communicated with the sewage outlet.
2. The multiway valve of claim 1, wherein: the water inlet is 1 and is located the valve body outside lower part, and the drain has 1 and is located the water inlet top, and the delivery port has 3, and filtration import, filtration export are 1 respectively, and filtration import, filtration export are located the valve body outside top.
3. A multiple-way valve according to claim 1, wherein: the first upper opening is provided with 1 and the first upper opening is provided with 6, the first upper opening is provided with 6 and the first upper opening is circumferentially arranged around the central axis of the first upper valve plate, the first middle opening is provided with 1 and the drain notch is provided with 1, the drain notch and the first middle opening are circumferentially arranged around the central axis of the first middle valve plate, the first lower opening is provided with 1 and the first lower opening is provided with 6, the first lower opening and the first lower opening are circumferentially arranged around the central axis of the first lower valve plate, the first upper valve plate, the first middle valve plate and the first lower valve plate are coaxially arranged, the first upper opening, the first middle opening and the first lower opening are through holes, and the drain notch is a blind hole.
4. The multiway valve of claim 1, wherein: the second valve core comprises a second upper valve block, a second middle valve block and a second lower valve block, the second upper valve block and the second lower valve block are fixedly arranged in a fourth valve cavity, the second middle valve block is positioned between the second upper valve block and the second lower valve block, the valve rod drives the second middle valve block to rotate, the second upper valve block is provided with a second upper closed port and a second upper opening, the second middle valve block is provided with a second middle closed port, a second middle filtering inlet, a second middle filtering outlet and a transition channel, the second middle filtering inlet is normally communicated with the second middle filtering outlet through the transition channel, the second lower valve block is fully closed, and when the second upper opening is aligned with the second middle filtering inlet and the second upper opening is aligned with the second middle filtering outlet; the filtering inlet is communicated with the filtering outlet, and the second upper opening is aligned with the second middle closed opening; the filter inlet is not in communication with the filter outlet.
5. The multiway valve of claim 4, wherein: the number of the second upper closed openings is 2, the number of the second upper openings is 6, and the second upper closed openings and the second upper openings are circumferentially arranged around the central axis of the second upper valve plate.
6. The multiway valve of claim 1, wherein: the valve body comprises an upper valve casing, a middle valve casing and a lower valve casing, wherein the upper valve casing is arranged above the middle valve casing, a filtering inlet and a filtering outlet are formed above the upper valve casing, a fourth valve cavity is formed between the upper valve casing and the middle valve casing, a third valve cavity is formed inside the middle valve casing, the lower valve casing is arranged below the middle valve casing, a second valve cavity is formed between the middle valve casing and the lower valve casing, and a first valve cavity is formed inside the lower valve casing.
7. The multiway valve of claim 6, wherein: the motor is installed in the motor fixed shell, the motor is installed on the motor fixed shell, the motor is installed in the motor cavity of the lower valve shell, the transmission mechanism comprises a pinion and a gear wheel, the pinion is installed on the motor output shaft, the gear wheel is meshed with the gear wheel, and the gear wheel is installed at the bottom end of the valve rod.
CN202111246226.6A 2021-10-25 2021-10-25 Water treatment filtration system and multi-way valve Active CN114100230B (en)

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