CN109364554A - A kind of fore filter backwashed and its working method - Google Patents
A kind of fore filter backwashed and its working method Download PDFInfo
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- CN109364554A CN109364554A CN201811203685.4A CN201811203685A CN109364554A CN 109364554 A CN109364554 A CN 109364554A CN 201811203685 A CN201811203685 A CN 201811203685A CN 109364554 A CN109364554 A CN 109364554A
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- flow
- filter
- switching valve
- station
- flow channel
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- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 239000010865 sewage Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters 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
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention relates to bathroom technical fields, specifically be a kind of fore filter that can be backwashed and its working method, a kind of fore filter backwashed includes main valve body (1), filter cup body (2) and cartridge filter (3), when flow channel switching valve (8) is in the first station, flow channel (13) is connected to the first flow-guiding channel (15), and flow pass (14) is connected to the second flow-guiding channel (16)；When flow channel switching valve (8) is in second station, flow channel (13) is connected to the second flow-guiding channel (16), and flow pass (14) is connected to the first flow-guiding channel (15)；The main valve body (1) is equipped with the knob assembly (17) for driving flow channel switching valve (8) rotation to switch on the first station and second station.The impurity being stuck in cartridge filter can be developed from opposite direction when backwash, to guarantee to clean up when fore filter is cleaned.
Description
Technical field
The present invention relates to bathroom technical fields, specifically be a kind of fore filter that can be backwashed and its work side
Method.
Background technique
Fore filter can front end carry out primary filtration impurity, purify water source, be widely used in family.
Fore filter after a period of use, on the cartridge filter in fore filter will by some fine sands or its
He blocks impurity, just needs to clear up cartridge filter at this time, generally has rotation brush pot in fore filter, is needing to clean
When, rotation brush pot rotation, rotation brush pot scrubs strainer, to brush off the attachment on filter screen outer wall.
However, in the prior art, the direction of general water flow only one, that is to say, that fore filter is either in mistake
Filter impurity work when and when clearing up cartridge filter, the direction of water flow be all it is constant, can thus have the disadvantage that water
Some impurity such as broken sand in stream have penetrated on the strainer of cartridge filter, and rotation brush pot is difficult to be scrubbed.If at this time
Water flow energy opposite direction flowing can then facilitate by the impulse force of water flow and rinse the impurity on strainer, and not have in the prior art
There is a corresponding structure, therefore be badly in need of designing one kind and can change water (flow) direction, water flow can the fore filter that rinses of reverse flow.
In addition, rotation brush pot is cylindrical shape due to technological reason, bristle is difficult to direct Assembling Production in rotation brush pot
On ontology, therefore, rotation brush pot in the prior art generally uses the brush body of plastic cement to scrub cartridge filter, the brush body of plastic cement
Opposite bristle is compared, and the frictional force between one side plastic cement and strainer is difficult to form rotation brush pot rotation by impulsive force greatly,
On the other hand, since bristle is more flexible, toughness and rigidity, the effect of bristle cleaning is more preferable, rubbing between bristle and strainer
Wiping power is small, and the much smoother rotation of brush pot energy is rotated under the impulse force of water flow and forms effective cleaning effect.Therefore, knot how is designed
It is technical problem urgently to be solved that structure, which may be mounted at bristle on rotation brush pot ontology,.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem.
The technical problem to be solved by the present invention is at least provide a kind of fore filter that can be backwashed, when backwash
The impurity being stuck in cartridge filter can be developed from opposite direction, to guarantee to clean when fore filter is cleaned dry
Only.
In order to solve the above technical problems, the fore filter that one kind disclosed by the invention can backwash, including main valve body, mistake
Filter cup body, cartridge filter and it is rotatably connected on the intracorporal rotation brush pot of strainer cup, the main valve body and filter cup body are solid
Fixed connection, the main valve body are equipped with the second head piece for the first head piece of water inlet and for water outlet, the filter cup body
One end far from main valve body is equipped with sewage draining exit, is equipped with blowdown valve at sewage draining exit, the fore filter further includes being fixed on main valve
Flow channel switching valve internal and with the first station and second station；The flow channel switching valve includes switching valve top and switching valve
Lower part, the switching valve top are connected with switching valve lower rotational, and the cartridge filter is fixed with switching valve lower part, the cartridge filter
Inner end forms first chamber；Second chamber, the switching valve top tool are formed in the cartridge filter and strainer cup body between wall
The flow pass for having the flow channel being connected to the first head piece and being connected to the second head piece, the switching valve lower part have and the
First flow-guiding channel of one chamber and the second flow-guiding channel being connected to second chamber, when flow channel switching valve is in first
When station, flow channel is connected to the first flow-guiding channel, and flow pass is connected to the second flow-guiding channel；When flow channel switching valve is in
When second station, flow channel is connected to the second flow-guiding channel, and flow pass is connected to the first flow-guiding channel；On the main valve body
Equipped with for driving knob assembly of the flow channel switching valve rotation to switch on the first station and second station.
In the present embodiment or in the application, the first station for defining flow channel switching valve refers to: water flow is successively from first-class
Mouth, flow channel, the second flow-guiding channel enter the state of second chamber.The second station for defining flow channel switching valve refers to:
Water flow successively enters the state of first chamber from the first head piece, flow channel, the first flow-guiding channel.
In the present embodiment or in the application, define flow channel switching valve and be in the first station, water flow successively from the first head piece,
Flow channel, the second flow-guiding channel enter second chamber, enter first chamber through cartridge filter later, then successively lead from first
Circulation road, flow pass, the outflow of the second head piece are forward filter.
It defines when needing to be rinsed cartridge filter, opens blowdown valve, flow channel switching valve is in the first station, water flow
Second chamber successively is entered from the first head piece, flow channel, the second flow-guiding channel, then flows out the flushing that is positive from sewage draining exit.This
When first chamber in water hardly flow.
It defines when needing to be rinsed cartridge filter, opens blowdown valve, flow channel switching valve is in second station, water flow
First chamber successively is entered from the first head piece, flow channel, the first flow-guiding channel, enters the second chamber through cartridge filter later
Room, then flow out from sewage draining exit for backwash.
It can be seen that after adopting the above structure, at least have the advantages that the application can be first in the application
Switch between station and second station, it can will so as to which fore filter is just rinsed and backwashed, when backwash
The impurity being stuck in cartridge filter is developed from opposite direction, to guarantee to clean up when fore filter is cleaned.Separately
Outside, positive and negative pre-washing function can be achieved with using the structure, it is compact-sized.
Disclosed herein as well is the working methods for the fore filter that one kind can backwash, and include the following steps:
Normality is in use, blowdown valve is closed, and flow channel switching valve is in the first station, and water flow is successively from the first head piece, inflow
Channel, the second flow-guiding channel enter second chamber, enter first chamber through cartridge filter later, then successively logical from the first water conservancy diversion
Road flow pass, the outflow of the second head piece, carry out forward filter to water；
When needing just to rinse cartridge filter, blowdown valve is opened, flow channel switching valve is in the first station, and water flow is successively
Second chamber is entered from the first head piece, flow channel, the second flow-guiding channel, then is flowed out from sewage draining exit, just to fore filter
Rinse, meanwhile, when water flow passes through the first impeller, the first impeller can be driven to rotate, baffle by water flow water conservancy diversion at after vortex with the
The impact of two impellers, water flow drive the second wheel rotation, and the second impeller drives barrel body rotation, and rotation brush pot carries out cartridge filter automatic
Scrub；
When needing to backwash cartridge filter, blowdown valve is opened, switching flow channel switching valve is at second station,
Water flow successively enters first chamber from the first head piece, flow channel, the first flow-guiding channel, enters second through cartridge filter later
Chamber, then flowed out from sewage draining exit, to be backwashed to fore filter；Meanwhile baffle by water flow water conservancy diversion at after vortex with
The impact of two impellers, water flow drive the second wheel rotation, and the second impeller drives barrel body rotation, and rotation brush pot carries out cartridge filter automatic
Scrub.
Preferably, when backwash, under the action of resetting-mechanism, flow channel switching valve resets to the first work from second station
Position.
After adopting this method, fore filter just can be rinsed and is backwashed, when backwash can will be stuck in
Impurity in filter cylinder is developed from opposite direction, to guarantee to clean up when fore filter is cleaned.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the fore filter that the application one kind can backwash.
Fig. 2 is the seperated schematic diagram in fore filter that the application one kind can backwash at knob assembly.
Fig. 3 is the seperated schematic diagram in fore filter that the application one kind can backwash at filter cup body.
Fig. 4 is the diagrammatic cross-section when fore filter that the application one kind can backwash carries out forward filter.
Fig. 5 is that the fore filter that the application one kind can backwash carries out diagrammatic cross-section just during rinsing.
Fig. 6 is the diagrammatic cross-section when fore filter that the application one kind can backwash backwashes.
Fig. 7 is the seperated schematic diagram of flow channel switching valve in fore filter that the application one kind can backwash.
Fig. 8 is the structural schematic diagram that brush pot is rotated in fore filter that the application one kind can backwash.
Fig. 9 is the structural schematic diagram of the first impeller in fore filter that the application one kind can backwash.
Figure 10 is the seperated schematic diagram that brush pot is rotated in fore filter that the application one kind can backwash.
Wherein:
1, main valve body；2, filter cup body；3, cartridge filter；4, the second head piece；5, the first head piece；6, blowdown valve；7, it rotates
Brush pot；8, flow channel switching valve；9, switching valve top；10, switching valve lower part；11, first chamber；12, second chamber；13, it flows into
Channel；14, flow pass；15, the first flow-guiding channel；16, the second flow-guiding channel；17, knob assembly；18, radial flange；19,
Screw thread supports circle；20, mounting blocks；21, the first valve block；22, the second valve block；23, baffle；24, installation cavity；25, liquid seal assembly；
26, limited post；27, limit hole；28, axial limiting item；29, axial limiting slot；30, limited block；31, limiting groove；32, it revolves
Button；33, drive rod；34, torsional spring；35, mounting plate；36, lid；37, cylinder；38, swipe body；39, bristle；40, slot；41,
Limit recess；42, inserted block is limited；43, the first impeller；44, limit plate；45, strip is limited；46, card hole is limited；47, it is buckled to；
48, universal driving shaft；49, baffle；50, the second impeller；51, fixture block；52, card slot；53, sewage draining exit.
Specific embodiment
It will hereinafter use those skilled in the art to lead to the essence that others skilled in the art convey them to work
The term being often used describes the concept of the invention of the disclosure.However, these concept of the invention can be presented as many different forms, because
And it should not be considered limited to embodiment herein.These embodiments are provided so that present disclosure is more detailed and complete, and
And the range for completely conveying it to include to those skilled in the art.It must also be noted that these embodiments do not have to be mutually exclusive.From one
Component, step or the element of a embodiment, which may be assumed that into, may be present in another embodiment or uses.The disclosure is not being departed from
It, can be shown or described by diversified alternative and/or equivalent implementations substitution in the case where the range of embodiment
Specific embodiment.The application is intended to cover any modification or modification of embodiments discussed herein.For those skilled in the art
For member obviously alternative embodiment can be practiced using only some aspects in described aspect.Herein for the mesh of explanation
, specific number, material and configuration are described in embodiment, however, the technical staff in field is in these no certain details
In the case where section, alternative embodiment can also be practiced.In other cases, well-known spy may be omitted or simplified
Sign, so as not to make illustrative embodiment be difficult to understand.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " being equipped with ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.It is fixed to can be welding or be connected by screw to or be clamped or be interference fitted.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Such as Fig. 1-10, in one of the embodiments, a kind of fore filter that can be backwashed, including main valve body 1, filtering
Device cup body 2, cartridge filter 3 and the rotation brush pot 7 being rotatably connected in filter cup body 2, the main valve body 1 and strainer cup
Body 2 is fixedly connected, and the main valve body 1 is equipped with the second head piece 4 for the first head piece 5 of water inlet and for water outlet, the mistake
Filter cup body 2 is equipped with sewage draining exit 53 far from one end of main valve body 1, is equipped with blowdown valve 6 at sewage draining exit 53, the fore filter is also
Flow channel switching valve 8 including being fixed in main valve body 1 and having the first station and second station；The flow channel switching valve 8 includes
Switching valve top 9 and switching valve lower part 10, the switching valve top 9 and switching valve lower part 10 are rotatablely connected, the cartridge filter 3 with
Switching valve lower part 10 is fixed, and 3 inner end of cartridge filter forms first chamber 11；The cartridge filter 3 and 2 inner wall of filter cup body it
Between form second chamber 12, the switching valve top 9 have the flow channel 13 that is connected to the first head piece 5 and with the second head piece
The flow pass 14 of 4 connections, the switching valve lower part 10 have the first flow-guiding channel 15 for being connected to first chamber 11 and with
The second flow-guiding channel 16 that second chamber 12 is connected to, when flow channel switching valve 8 is in the first station, flow channel 13 is led with first
Circulation road 15 is connected to, and flow pass 14 is connected to the second flow-guiding channel 16；When flow channel switching valve 8 is in second station, flow into
Channel 13 is connected to the second flow-guiding channel 16, and flow pass 14 is connected to the first flow-guiding channel 15；The main valve body 1, which is equipped with, to be used
In knob assembly 17 of driving flow channel switching valve 8 rotation to switch on the first station and second station.
In the present embodiment or in the application, such as Fig. 4, the first station for defining flow channel switching valve 8 refers to: water flow successively from
First head piece 5, flow channel 13, the second flow-guiding channel 16 enter the state of second chamber 12.Such as Fig. 6, defines runner and cut
The second station for changing valve 8 refers to: water flow successively enters the first chamber from the first head piece 5, flow channel 13, the first flow-guiding channel 15
The state of room 11.
In the present embodiment or in the application, such as Fig. 4, defines flow channel switching valve 8 and be in the first station, water flow is successively from
One head piece 5, flow channel 13, the second flow-guiding channel 16 enter second chamber 12, enter first chamber through cartridge filter 3 later
11, then successively flowing out from the first flow-guiding channel 15, flow pass 14, the second head piece 4 is forward filter.
It such as Fig. 5, defines when needing to be rinsed cartridge filter 3, opens blowdown valve 6, flow channel switching valve 8 is in first
Station, water flow successively enter second chamber 12 from the first head piece 5, flow channel 13, the second flow-guiding channel 16, then from sewage draining exit
53 flow out the flushing that is positive.The water in first chamber 11 hardly flows at this time.
It such as Fig. 6, defines when needing to be rinsed cartridge filter 3, opens blowdown valve 6, flow channel switching valve 8 is in second
Station, water flow successively enters first chamber 11 from the first head piece 5, flow channel 13, the first flow-guiding channel 15, later through filtering
Cylinder 3 enters second chamber 12, then flows out from sewage draining exit 53 for backwash.
Certainly, in specific production and in use, water flow can also be entered the second chamber through cartridge filter 3 from first chamber 11
Room 12 be forward direction, water flow from second chamber 12 through cartridge filter 3 enter first chamber 11 be it is reversed, this can be with specific reference to hobby
Selection.
It can be seen that after adopting the above structure, at least have the advantages that the application can be first in the application
Switch between station and second station, it can will so as to which fore filter is just rinsed and backwashed, when backwash
The impurity being stuck in cartridge filter 3 is developed from opposite direction, to guarantee to clean up when fore filter is cleaned.Separately
Outside, positive and negative pre-washing function can be achieved with using the structure, it is compact-sized.
The flow channel switching valve 8 has radial flange 18, and the fore filter further includes that screw thread supports circle 19, the screw thread
It is threaded in the main valve body 1 to circle 19, the screw thread supports circle 19 and pushes against with radial flange 18.In this way, screw thread supports circle 19
It is fixed in main valve body 1, screw thread supports circle 19 and pushed against with radial flange 18 so that flow channel switching valve 8 is fixed.
The switching valve top 9 includes mounting blocks 20 and the first valve block 21, and the mounting blocks 20 and the first valve block 21 are fixed
Connection, the switching valve lower part 10 include the second valve block 22 and baffle 23, and the baffle 23 has an installation cavity 24, and described the
Two valve blocks 22 are fixed in installation cavity 24, and the mounting blocks 20 and the first valve block 21 are located in installation cavity 24, the first valve block 21 with
Second valve block 22 is close to, and the mounting blocks 20 are abutted with main valve body 1, and limit knot is equipped between the mounting blocks 20 and main valve body 1
Structure, the radial flange 18 are located at 23 outer end of baffle.In this way, one side mounting blocks 20, the first valve block 21 and the second valve
Piece 22 is all mounted on baffle 23, convenient for assembly；On the other hand, using the form of valve block, guarantee smooth when switching station.Rotation
Button component 17 and baffle 23 are drivingly connected.Position limiting structure can guarantee in turning knob component 17, switching valve top 9 not with
It is rotated, and guarantees smoothly switching station.
There is liquid seal assembly 25, the position limiting structure includes being located at mounting blocks between the mounting blocks 20 and main valve body 1
Limited post 26 on 20 end faces and the limit hole 27 being located on main valve body 1, the limited post 26 and 27 grafting of limit hole.In this way,
Limited post 26 and the effect of limit hole 27 can make mounting blocks 20 relatively fixed.In addition, liquid seal assembly can be to avoid water from limit
It is flowed out at hole 27 position.Liquid seal assembly 25 specifically can be sealing ring.
The mounting blocks 20 are fixedly connected with the first valve block 21 to be referred to, the outer edge of the mounting blocks 20 is equipped with axial limit
Position item 28, the outer edge of first valve block 21 are equipped with axial limiting slot 29, the axial limiting item 28 and axial limiting slot
29 clampings.In this way, axial limiting item 28 and axial limiting slot 29, need to only be clamped by mounting blocks 20 convenient for assembly and the first valve block 21
?.
Second valve block 22, which is fixed in installation cavity 24, to be referred to, 24 inner sidewall of installation cavity is equipped with limited block 30,
The outer edge of second valve block 22 is equipped with limiting groove 31, and the limited block 30 is clamped with limiting groove 31.In this way, convenient
The second valve block 22 and baffle 23 are assembled, limited block 30 and limiting groove 31 need to be only clamped.
The knob assembly 17 includes knob 32 and drive rod 33, and the knob 32 is fixedly connected with drive rod 33, described
Drive rod 33 is connect after passing through main valve body 1 with flow channel switching valve 8, and resetting-mechanism is equipped between the knob 32 and drive rod 33.
Specifically, drive rod 33 and baffle 23 are drivingly connected.More specifically, the end of drive rod 33 is equipped with card slot 52, the water conservancy diversion
Block 23 and it is equipped with fixture block 51 in the corresponding position of card slot 52, the card slot 52 is clamped with fixture block 51.In turning knob 32, rotation
Button 32 drives flow channel switching valve 8 to rotate, to switch the station of flow channel switching valve 8.Resetting-mechanism can make having switched runner
Automatically reset after the station of switching valve 8, it is on the one hand convenient to use, on the other hand can to avoid being backwashed for a long time because
In backwash, it is also possible to minority impurity occur and appear in fore filter.
The resetting-mechanism includes torsional spring 34, and described 34 one end of torsional spring and main valve body 1 are clamped, the other end of the torsional spring 34
It is clamped on the inside of knob 32.In this way, after knob 32 rotates, can be resetted within the regular hour, in life under the action of torsional spring 34
When production, the elastic force of torsional spring 34 can be designed according to specific stroke, and then designs the time resetted.
Mounting plate 35 is fixedly connected on the main valve body 1, the torsional spring 34 is set on mounting plate 35, the torsional spring 34
One end and main valve body 1 are clamped the mounting plate 35 referred on described 34 one end of torsional spring and main valve body 1 and are clamped.In this way, more convenient peace
Fill torsional spring 34.
Lid 36 is fixed on the main valve body 1.
Such as Fig. 8,9,10, the rotation brush pot 7 is rotatably connected in second chamber 12, and the rotation brush pot 7 includes cylinder
37 are equipped with bristle 39 at least one swipe body 38, the swipe body 38, and the swipe body 38 is fixed on cylinder 37, described
Bristle 39 is abutted with the side wall of cartridge filter 3.In this way, bristle 39 can scrub cartridge filter 3 in cleaning.Bristle 39 has
Body can be plastic products, be also possible to steel wire etc..
The side wall of the cylinder 37 is equipped with slot 40, and the swipe body 38 is plugged in slot 40.In this way, changing existing
There is the brush of the rotation brush pot 7 in technology to use the structure of plastic strip, make it possible that bristle 39 is applied on rotation brush pot 7,
Bristle 39 can scrub cartridge filter 3 cleaner；And in production, cylinder 37 can be processed individually, in swipe body 38
Upper individually assembly bristle 39, is assembled together later.Slot 40 can be located at the inner sidewall of cylinder 37 according to actual needs
On the upper or lateral wall of cylinder 37, it is located on inner sidewall in the present embodiment.
The slot 40 is T-slot, and the swipe body 38 and the shape of T-slot are adapted.In this way, can further avoid
Swipe body 38 falls off out of slot 40, keeps stable structure.
The inner end of the slot 40 is equipped with limit recess 41, and the end of the swipe body 38 is equipped with limit inserted block 42, institute
State limit inserted block 42 and limit 41 grafting of recess.It falls off out of slot 40 in this way, swipe body 38 can be further avoided, keeps knot
Structure is stablized.
The quantity of the swipe body 38 is 2, and 2 swipe bodies 38 are spaced 180 ° and are arranged, on 2 swipe bodies 38
Bristle 39 be staggered.In this way, bristle 39, which is staggered, to be scrubbed cartridge filter 3 in rotation comprehensively.
It is fixed with the first impeller 43 for driving cylinder 37 to rotate when setting filter before flushing on the cylinder 37, described the
The lower end of one impeller 43 is abutted with swipe body 38.In this way, water flow passes through the first impeller 43 when fore filter is cleaned
When, the first impeller 43 can be driven to rotate, so that cylinder 37 be driven to rotate, to carry out automatic brushing work to cartridge filter 3, used
It is convenient.Since bristle is more flexible, toughness and rigidity, the effect of bristle cleaning is more preferable, the frictional force between bristle and strainer
It is small, effective cleaning effect is formed in the much smoother rotation of the impulse force lower bristle energy of water flow.
Such as Fig. 9, the lower end of first impeller 43 is abutted with swipe body 38 refers to that the lower end of first impeller 43 is equipped with
Limit plate 44, the end of the swipe body 38 are equipped with limit strip 45, and the limit plate 44 is abutted with limit strip 45.In this way,
It can further avoid swipe body 38 to fall off out of slot 40, keep stable structure.
The side wall of the cylinder 37 is equipped with multiple limit card holes 46, on the side wall of first impeller 43 and in limiting card
46 corresponding position of hole is equipped with back-off 47, and the back-off 47 is clamped with limit card hole 46.In this way, back-off 47 and limit card hole 46
Cooperation can be convenient the first impeller 43 of dismounting.
37 bottom of cylinder is fixed with universal driving shaft 48, be rotatably connected on the universal driving shaft 48 for by water flow water conservancy diversion at
The baffle 49 of vortex is fixedly connected with the second impeller 50 on the universal driving shaft 48, and baffle 49 is located at the second impeller 50 and cylinder
Between body 37.Baffle 49 is that baffle 49 is fixed in filter cup body 2 when being specifically applied in fore filter, in this way,
When fore filter is cleaned, baffle 49 be it is fixed, baffle 49 by water flow water conservancy diversion at after vortex with the second impeller
50 impacts are further driven to the rotation of the second impeller 50, to drive cylinder 37 to rotate, to carry out automatic brushing to cartridge filter 3
Work, it is easy to use.
Disclosed herein as well is the working methods for the fore filter that above-mentioned one kind can backwash, and include the following steps:
Normality is in use, blowdown valve 6 is closed, and flow channel switching valve 8 is in the first station, and water flow is successively from the first head piece 5, stream
Enter channel 13, the second flow-guiding channel 16 enters second chamber 12, enter first chamber 11 through cartridge filter 3 later, then successively
It is flowed out from 15 flow pass 14 of the first flow-guiding channel, the second head piece 4, forward filter is carried out to water；
When needing just to rinse cartridge filter 3, blowdown valve 6 is opened, flow channel switching valve 8 is in the first station, water flow
Second chamber 12 successively is entered from the first head piece 5, flow channel 13, the second flow-guiding channel 16, then is flowed out from sewage draining exit 53, it is right
Fore filter just rinses, meanwhile, when water flow passes through the first impeller 43, the first impeller 43 can be driven to rotate, baffle 49 is by water
Conductance stream is impacted at after vortex with the second impeller 50, and water flow drives the rotation of the second impeller 50, and the second impeller 50 drives 37 turns of cylinder
Dynamic, rotation brush pot 7 carries out automatic brushing to cartridge filter 3；
When needing to backwash cartridge filter 3, blowdown valve 6 is opened, switching flow channel switching valve 8 is at the second work
Position, water flow successively enters first chamber 11 from the first head piece 5, flow channel 13, the first flow-guiding channel 15, later through cartridge filter
3 enter second chamber 12, then flow out from sewage draining exit 53, to backwash to fore filter；Meanwhile baffle 49 is by water flow
Water conservancy diversion is impacted at after vortex with the second impeller 50, and water flow drives the rotation of the second impeller 50, and the second impeller 50 drives cylinder 37 to rotate,
It rotates brush pot 7 and automatic brushing is carried out to cartridge filter 3.
Preferably, when backwash, under the action of resetting-mechanism, flow channel switching valve 8 resets to the first work from second station
Position.
More than, it is only preferably feasible implementation example of the invention, cannot is therefore limiting the scope of the invention, to ripe
It knows for those skilled in the art, other all made with technical solution of the present invention and technical concept various change accordingly
Change all should belong within the scope of protection of the claims of the present invention.
Claims (10)
1. the fore filter that one kind can backwash, including main valve body (1), filter cup body (2), cartridge filter (3) and rotation
The rotation brush pot (7) being connected in filter cup body (2), the main valve body (1) is fixedly connected with filter cup body (2), described
Main valve body (1) is equipped with the second head piece (4) for the first head piece (5) of water inlet and for water outlet, the filter cup body (2)
One end far from main valve body (1) is equipped with sewage draining exit (53), is equipped with blowdown valve (6) at sewage draining exit (53), which is characterized in that before described
Setting filter further includes the flow channel switching valve (8) for being fixed in main valve body (1) and having the first station and second station；The stream
Road switching valve (8) includes switching valve top (9) and switching valve lower part (10), the switching valve top (9) and switching valve lower part
(10) it is rotatablely connected, the cartridge filter (3) and switching valve lower part (10) are fixed, and cartridge filter (3) inner end forms first chamber
(11)；Second chamber (12) are formed between the cartridge filter (3) and filter cup body (2) inner wall, switching valve top (9) tool
The flow pass (14) for having the flow channel (13) being connected to the first head piece (5) and being connected to the second head piece (4), the switching
Valve lower part (10) there is the first flow-guiding channel (15) for being connected to first chamber (11) and be connected to second chamber (12) the
Two flow-guiding channels (16), when flow channel switching valve (8) is in the first station, flow channel (13) and the first flow-guiding channel (15) are even
Logical, flow pass (14) is connected to the second flow-guiding channel (16)；When flow channel switching valve (8) is in second station, flow channel
(13) it is connected to the second flow-guiding channel (16), flow pass (14) is connected to the first flow-guiding channel (15)；On the main valve body (1)
Equipped with for driving knob assembly (17) of flow channel switching valve (8) rotation to switch on the first station and second station.
2. the fore filter that one kind described in accordance with the claim 1 can backwash, which is characterized in that the flow channel switching valve
(8) there are radial flange (18), the fore filter further includes that screw thread supports circle (19), and the screw thread supports circle (19) and is threadedly coupled
In the main valve body (1), the screw thread supports circle (19) and radial flange (18) push against.
3. a kind of fore filter that can be backwashed according to claim 2, which is characterized in that the switching valve top
It (9) include mounting blocks (20) and the first valve block (21), the mounting blocks (20) are fixedly connected with the first valve block (21), the switching
Valve lower part (10) includes the second valve block (22) and baffle (23), and the baffle (23) has installation cavity (24), and described second
Valve block (22) is fixed in installation cavity (24), and the mounting blocks (20) and the first valve block (21) are located in installation cavity (24), and first
Valve block (21) is close to the second valve block (22), and the mounting blocks (20) abut with main valve body (1), the mounting blocks (20) and main valve
Position limiting structure is equipped between body (1), the radial flange (18) is located at the baffle (23) outer end.
4. the fore filter that one kind described in accordance with the claim 3 can backwash, which is characterized in that the mounting blocks (20) with
There are liquid seal assembly (25) between main valve body (1), the position limiting structure includes the limited post being located on mounting blocks (20) end face
(26) and the limit hole (27) that is located on main valve body (1), the limited post (26) and limit hole (27) grafting.
5. the fore filter that one kind described in accordance with the claim 1 can backwash, which is characterized in that the knob assembly (17)
Including knob (32) and drive rod (33), the knob (32) is fixedly connected with drive rod (33), and the drive rod (33) passes through
Main valve body (1) is connect with flow channel switching valve (8) afterwards, and resetting-mechanism is equipped between the knob (32) and drive rod (33).
6. a kind of fore filter that can be backwashed according to claim 5, which is characterized in that the resetting-mechanism includes
Torsional spring (34), described torsional spring (34) one end and main valve body (1) are clamped, block on the inside of the other end of the torsional spring (34) and knob (32)
It connects.
7. a kind of fore filter that can be backwashed according to claim 6, which is characterized in that on the main valve body (1)
It is fixedly connected with mounting plate (35), the torsional spring (34) is set on mounting plate (35), described torsional spring (34) one end and main valve body
(1) clamping refers to that the mounting plate (35) on the torsional spring (34) one end and main valve body (1) is clamped.
8. the fore filter that one kind described in accordance with the claim 1 can backwash, which is characterized in that the rotation brush pot (7)
On be fixed with when setting filter before flushing the first impeller (43) of driving rotation brush pot (7) rotation, first impeller (43)
Lower end abutted with swipe body (38).
9. the working method for the fore filter that one kind can backwash, which comprises the steps of:
For normality in use, blowdown valve (6) is closed, flow channel switching valve (8) is in the first station, water flow successively from the first head piece (5),
Flow channel (13), the second flow-guiding channel (16) enter second chamber (12), enter first chamber through cartridge filter (3) later
(11), it then is successively flowed out from the first flow-guiding channel (15) flow pass (14), the second head piece (4), forward filter is carried out to water；
It when needing just to rinse cartridge filter (3), opens blowdown valve (6), flow channel switching valve (8) is in the first station, water
Stream successively enters second chamber (12) from the first head piece (5), flow channel (13), the second flow-guiding channel (16), then from blowdown
Mouth (53) outflow, is just rinsing fore filter, meanwhile, when water flow passes through the first impeller (43), the first impeller (43) can be driven
Rotation, baffle (49) impact water flow water conservancy diversion at after vortex with the second impeller (50), and water flow drives the second impeller (50) rotation,
Second impeller (50) drives cylinder (37) rotation, and rotation brush pot (7) carries out automatic brushing to cartridge filter (3)；
It when needing to backwash cartridge filter (3), opens blowdown valve (6), switching flow channel switching valve (8) is at second
Station, water flow successively enter first chamber (11) from the first head piece (5), flow channel (13), the first flow-guiding channel (15), it
It enters second chamber (12) by cartridge filter (3), then is flowed out from sewage draining exit (53), to be backwashed to fore filter；Together
When, baffle (49) impacts water flow water conservancy diversion at after vortex with the second impeller (50), and water flow drives the second impeller (50) rotation, the
Two impellers (50) drive cylinder (37) rotation, and rotation brush pot (7) carries out automatic brushing to cartridge filter (3).
10. a kind of working method for the fore filter that can be backwashed according to claim 9, which is characterized in that recoil
When washing, under the action of resetting-mechanism, flow channel switching valve (8) resets to the first station from second station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203685.4A CN109364554A (en) | 2018-10-16 | 2018-10-16 | A kind of fore filter backwashed and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203685.4A CN109364554A (en) | 2018-10-16 | 2018-10-16 | A kind of fore filter backwashed and its working method |
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| CN109364554A true CN109364554A (en) | 2019-02-22 |
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|---|---|---|---|
| CN201811203685.4A Pending CN109364554A (en) | 2018-10-16 | 2018-10-16 | A kind of fore filter backwashed and its working method |
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| CN110124377A (en) * | 2019-06-26 | 2019-08-16 | 海宁市水享净水设备有限公司 | A kind of fore filter |
| CN110404314A (en) * | 2019-07-04 | 2019-11-05 | 海宁市倍世环保科技有限公司 | Fore filter with top control backwashing function |
| CN111318067A (en) * | 2020-03-30 | 2020-06-23 | 福建西河卫浴科技有限公司 | Water inlet filter screen pollution discharge structure and shower |
| CN113800663A (en) * | 2021-09-30 | 2021-12-17 | 福建共盈科技有限公司 | Water treatment device with backwashing filtration and water purification functions |
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