CN107998719A - The conversion control and fore filter of fore filter - Google Patents

The conversion control and fore filter of fore filter Download PDF

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Publication number
CN107998719A
CN107998719A CN201810045695.3A CN201810045695A CN107998719A CN 107998719 A CN107998719 A CN 107998719A CN 201810045695 A CN201810045695 A CN 201810045695A CN 107998719 A CN107998719 A CN 107998719A
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CN
China
Prior art keywords
conversion control
import
fore filter
fluid passage
filtered inlet
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Pending
Application number
CN201810045695.3A
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Chinese (zh)
Inventor
吴伟锋
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN201810045695.3A priority Critical patent/CN107998719A/en
Publication of CN107998719A publication Critical patent/CN107998719A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B01D29/31Self-supporting filtering elements
    • B01D29/33Self-supporting filtering elements arranged for inward flow filtration
    • 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
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30Filter housing constructions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The conversion control and fore filter of a kind of fore filter, conversion control include:Fluid passage, filtered inlet, rinse import, filtering outlet and balance recess, fluid passage along conversion control axial direction set and it is opening down, filtered inlet, rinse import, filtering outlet and balance recess are arranged on conversion control circumferential side wall, filtered inlet and filtering outlet are oppositely arranged, import peace weighing apparatus recess is rinsed to be oppositely arranged, filtered inlet perforation conversion control lower end, filtered inlet and balance recess are arranged at intervals with fluid passage, rinse import and filtering outlet is connected with fluid passage respectively, filtered inlet is equipped with the balancing patch set along the axial direction of conversion control, rinse import, the opening of filtering outlet and balance recess is equipped with holding tank to accommodate seal assembly.Due to there is provided balancing patch and balance recess, ensure that the excellent sealing between conversion control and lid, filtered inlet can set bigger, so as to improve flow of inlet water and filter efficiency.

Description

The conversion control and fore filter of fore filter
Technical field
The present invention relates to pipeline water-purifying equipment technical field, more particularly to the conversion control of a kind of fore filter and preposition Filter.
Background technology
Fore filter is mounted to the front end of pipeline and the equipment for filtering and purifying water.Fore filter is general Including lid, cylinder, strainer and conversion control, conversion control is rotatably installed in lid and between lid by close Packing is connected and sealed, to avoid leak.Existing fore filter, when conversion control is equipped with filtering the filtering intake into The filtering outlet of water outlet, the filtered inlet and filtering outlet are oppositely arranged when mouth and filtering, filtered inlet and filtering outlet point Do not sealed between lid by gasket, however, in order to ensure the excellent sealing between filtering outlet and lid, filtering Import usually sets smaller, so that the flow of filtered water inlet is relatively low, filter efficiency is not high.
The content of the invention
The purpose of the present invention is to solve the above problem, there is provided the conversion control and prefilter of a kind of fore filter Device, on the premise of the sealing effect between ensureing the filtering outlet and lid of fore filter, improves the water inlet of filtered water inlet Flow, so as to improve filter efficiency.
In order to achieve the above object, the present invention provides a kind of conversion control of fore filter, including:Fluid passage, mistake Filter import, rinse import, filtering outlet and balance recess, the fluid passage along conversion control axial direction set and Opening down, the filtered inlet, the flushing import, the filtering outlet and the balance recess are arranged on the conversion and control The circumferential side wall of part, the filtered inlet and the filtering outlet are oppositely arranged, the flushing import and the balance recess phase To setting, the lower end of the filtered inlet perforation conversion control, the filtered inlet and the balance recess with it is described Fluid passage be arranged at intervals, it is described flushing import and the filtering outlet connected respectively with the fluid passage, it is described filter into Mouth is equipped with the balancing patch set along the axial direction of conversion control, flushing import, the filtering outlet and the balance The opening of recess is equipped with holding tank and is used to accommodate seal assembly.
In one embodiment of the invention, the balancing patch is a tablet.
In one embodiment of the invention, the upper end of the conversion control is equipped with mounting post, and the outer wall of the mounting post is equipped with At least one cricoid groove is used to accommodate O-ring seals.
The present invention also provides a kind of fore filter, including:
Lid, has accommodating chamber, medium entrance and media outlet, the medium entrance and the media outlet are relatively Arranged on the accommodating chamber both sides and it is respectively communicated with the accommodating chamber;
Columnar conversion control, is rotatably arranged in the accommodating chamber, has fluid passage, filtered inlet, is flushed into Mouthful, filtering outlet and balance recess, the fluid passage along it is described conversion control axial direction set and it is opening down, The filtered inlet, the circumferential direction rinsed import, the filtering outlet and the balance recess and be arranged on the conversion control Side wall, the filtered inlet and the filtering outlet are oppositely arranged, and the flushing import and the balance recess are oppositely arranged, institute The lower end of the filtered inlet perforation conversion control is stated, the filtered inlet and the balance recess are between the fluid passage Every setting, the flushing import and the filtering outlet connects with the fluid passage respectively, the filtered inlet equipped with along The balancing patch that the axial direction of control is set is changed, which is resisted against the inner wall of the lid, the flushing import, described The opening of filtering outlet and the balance recess is equipped with holding tank, and seal assembly, the sealing are equipped with the holding tank The outside of component is tightly connected against the inner wall of the lid so as to be formed between the conversion control and the lid;
The strainer of tubular, is connected to the lower end of the conversion control, the inside of strainer is connected with the fluid passage;
Cylinder, is connected to the lid lower end and is sheathed on the outside of the strainer;Set between the strainer and the cylinder There is filtration channel, the lower end of the filtered inlet connects the filtration channel, and the lower end of cylinder is equipped with sewage draining exit;And
Blowdown valve, is used for the opening and closing for controlling the sewage draining exit at the sewage draining exit.
When the rotation conversion control is connected to filtered inlet with the medium entrance, the filtering outlet is with being given an account of Matter outlet, the fore filter are in filtration condition;When rotate it is described conversion control to it is described flushing import with it is described When medium entrance connects, the balance recess seals the media outlet, and the fore filter is in back flush state.
In one embodiment of the invention, rotary switch is further included, the lid includes the installation through-hole arranged on upper end, described The upper end of conversion control is equipped with mounting post, and the mounting post is connected through the installation through-hole with the rotary switch, by described The rotation of the rotation control conversion control of rotary switch.
In one embodiment of the invention, the outer wall of the mounting post is equipped with least one cricoid groove, in the groove Equipped with O-ring seals, the O-ring seals push against the inner wall of the installation through-hole.
In one embodiment of the invention, the upper end of the lid is equipped with limited block, and the rotary switch is equipped with limiting slot, institute Limited block is stated with the limiting slot to coordinate to limit the rotational angle of the rotary switch.
In one embodiment of the invention, the lower end of the conversion control is equipped with threaded joints, the threaded joints and institute The upper end for stating strainer is connected through a screw thread, and the side wall of the threaded joints is equipped with connection through hole, and the connection is passed through using screw Through hole connection conversion control and strainer.
In one embodiment of the invention, the brush assemblies being fixed in the cylinder are further included, the brush assemblies include Upper connection ring, lower connection ring and several hairbrush, the upper end of several hairbrush connect the upper connection ring, and lower end connects the lower company Ring is connect, several hairbrush are arranged at the outside of strainer.
In one embodiment of the invention, the hairbrush is connected together respectively with the upper connection ring and the lower connection ring.
In one embodiment of the invention, the hairbrush lower end is equipped with fixed notch, and the cylinder is equipped with fixed lobe, described Fixed lobe is inserted into the fixed notch so as to which the brush assemblies are fixed in the cylinder.
In one embodiment of the invention, the seal assembly includes clamping pad and gasket, and the gasket is by the pressure Tight pad is pressed in the holding tank, and the outside of the gasket is against the lid.
Compared with prior art, the beneficial effect of the technical program is:
The conversion control and fore filter of the fore filter of the present invention, the circumferential side wall for changing control were respectively equipped with Filter import, rinse import, filtering outlet and balance recess, wherein filtered inlet and filtering outlet is oppositely arranged, at filtered inlet Equipped with balancing patch, so that the seal assembly that balancing patch can be at reverse extrusion filtering outlet when assembling or rotate conversion control is to ensure Excellent sealing effect at filtering outlet;Meanwhile rinse import peace weighing apparatus recess and be oppositely arranged, so as to assemble or rotate conversion control During part the seal assembly of the balance indent can reverse extrusion rinse the seal assembly of entrance to ensure to rinse entrance Excellent sealing effect.Water down flows into filtration channel at filtered inlet during due to filtering, need not at the filtered inlet Seal assembly is set, simplifies structure.Due to there is provided balancing patch and balance recess, ensure that between conversion control and lid Excellent sealing, therefore, the filtered inlet can set bigger, so that the flow of inlet water of filtered water inlet is improved, and then Improve filter efficiency.
Brief description of the drawings
Fig. 1 is the stereogram of an embodiment of fore filter of the present invention;
Fig. 2 is the explosive view of fore filter shown in Fig. 1;
Fig. 3 is the longitudinal cross section that fore filter of the present invention is in filtration condition;
Fig. 4 is the transverse cross sectional view that fore filter of the present invention is in filtration condition;
Fig. 5 is the longitudinal cross section that fore filter of the present invention is in back flush state;
Fig. 6 is the transverse cross sectional view that fore filter of the present invention is in back flush state;
Fig. 7 is the stereogram of an embodiment of the conversion control of fore filter of the present invention;
Fig. 8 is the stereogram of another angle of conversion control shown in Fig. 7;
Fig. 9 is that the conversion control of fore filter of the present invention is in the longitudinal cross section of filtration condition;
Figure 10 is that the conversion control of fore filter of the present invention is in the transverse cross sectional view of filtration condition;
Figure 11 is that the conversion control of fore filter of the present invention is in the longitudinal cross section of back flush state;
Figure 12 is that the conversion control of fore filter of the present invention is in the transverse cross sectional view of back flush state;
Figure 13 is the stereogram of another angle of fore filter of the present invention;
Figure 14 is the top view of the cylinder of fore filter of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme.
Please referring to Fig.1 shown in -12, the present invention provides a kind of fore filter, including:Lid 1, it is columnar conversion control 2, Strainer 3, cylinder 4 and the blowdown valve 5 of tubular.
The lid 1 has accommodating chamber 11, medium entrance 12 and a media outlet 13, the medium entrance 12 and is given an account of Matter outlet 13 is relatively arranged on 11 both sides of accommodating chamber and is respectively communicated with the accommodating chamber 11.
The conversion control 2 is rotatably arranged in the accommodating chamber 11.Changing control 2 has fluid passage 21, filtering Import 22, rinse import 23, filtering outlet 24 and balance recess 25.The fluid passage 21 is along the conversion control 2 Axial direction set and it is opening down.The filtered inlet 22, flushing import 23, the filtering outlet 24 and the balance Recess 25 is arranged on the circumferential side wall of the conversion control 2.The filtered inlet 22 and the filtering outlet 24 are oppositely arranged, institute State flushing import 23 and the balance recess 25 is oppositely arranged.The filtered inlet 22 penetrates through the lower end of the conversion control 2, institute State filtered inlet 22 and the balance recess 25 is arranged at intervals with the fluid passage 21, the flushing import 23 and the mistake Mouth 24 is filtered out to connect with the fluid passage 21 respectively.The filtered inlet 22 is equipped with along the axial direction of conversion control 2 and sets The balancing patch 221 put, the balancing patch 221 are resisted against the inner wall of the lid 1.The flushing import 23, the filtering outlet 24 Holding tank 200 is equipped with the opening of the balance recess 25.Seal assembly 26 is equipped with the holding tank 200, it is described close The outside of sealing assembly 26 connects against the inner wall of the lid 1 so as to form sealing between the conversion control 2 and the lid 1 Connect, avoid leak.
The strainer 3 is connected to the lower end of the conversion control 2, and the inside of strainer 3 is connected with the fluid passage 21.
The cylinder 4 is connected to 1 lower end of lid and is sheathed on the outside of strainer 3.The strainer 3 and the cylinder Filtration channel 304 is equipped between 4, the lower end of the filtered inlet 22 connects the filtration channel 304, and the lower end of cylinder 4 is equipped with Sewage draining exit 41.Blowdown valve 5, which is arranged at the sewage draining exit 41, is used for the opening and closing for controlling the sewage draining exit 41.
When the rotation conversion control 2 is connected to filtered inlet 22 with the medium entrance 12, as shown in Figure 3,4, institute Filtering outlet 24 to be stated to connect with the media outlet 13, the fore filter is in filtration condition, closes blowdown valve 5 at this time, Current flow into filtered inlet 22 from medium entrance 12, then are flowed into from the lower end of filtered inlet 22 in filtration channel 304, then pass through Strainer 3 enters inside strainer 3, and the water after being filtered by strainer 3 is flowed out from fluid passage 21, through filtering outlet 24, finally Flowed out from media outlet 13.
When the rotation conversion control 2 is connected to the flushing import 23 with the medium entrance 12, such as Fig. 5,6 institutes Show, the balance recess 25 is connected with the media outlet 13, i.e., described balance recess 25 seals the media outlet 13, described Fore filter is in back flush state, opens blowdown valve 5 at this time, and current are flowed into from medium entrance 12 rinses import 23, then Out of flushing 23 incoming fluid passage 21 of import, then back flush strainer 3, and flowing out to outside strainer 3, finally from sewage draining exit 41 outflows.
The fore filter, filtered inlet 22, flushing import 23, filtering are respectively equipped with the circumferential side wall of conversion control 2 Outlet 24 and balance recess 25, wherein filtered inlet 22 and filtering outlet 24 are oppositely arranged, and balancing patch is equipped with filtered inlet 22 221, so that the seal assembly 26 that balancing patch 221 can be at reverse extrusion filtering outlet 24 when assembling or rotate conversion control 2 is with true Protect the excellent sealing effect at filtering outlet 24;Meanwhile rinse import 23 and balance recess 25 and be oppositely arranged, so as to assemble or turn Turn change during control 2 it is described balance recess 25 at seal assembly 26 can reverse extrusion rinse import 23 at seal assembly 26 with Ensure to rinse the excellent sealing effect at import 23.Water down flows into filtration channel 304 at filtered inlet 22 during due to filtering, Therefore, seal assembly 26 need not be set at the filtered inlet 22, simplifies structure.Since there is provided balancing patch 221 and balance Recess 25, ensure that the excellent sealing between conversion control 2 and lid 1, therefore, the filtered inlet 22 can set and must compare Greatly, so as to improve the flow of inlet water of filtered water inlet, and then filter efficiency is improved.Fore filter of the present invention can be relatively existing The filtered water inlet flow that doubles of fore filter, its filter efficiency is obviously improved.
In one embodiment, the filtered inlet 22 penetrates through the top and bottom of the conversion control 2, and such structure is easy Inflow when making, and stable structure, and can ensure that filtering.
In one embodiment, please refer to Fig.4, shown in 6,10,12, the filtered inlet 22, the flushing import 23, the mistake Filter out mouth 24 and the balance recess 25 is equably arranged in the circumferential four direction of conversion control 2, it is, working as preposition mistake When filter is in filtration condition (as shown in Figure 3,4), the conversion control 2 is rotated 90 ° and can switch to back flush state (as shown in Figure 5,6), 90 ° then by the conversion control 2 are rotated backward, you can switch back into filtration condition.
In one embodiment, please refer to Fig.2 shown in, the seal assembly 26 includes clamping pad 261 and gasket 262, described The clamping pad 261 is pressed in the holding tank 200 by gasket 262, and the outside of the gasket 262 is against the lid 1.The clamping pad 261 is rectangular configuration, which is provided with first through hole 2611, and the gasket 262 includes 2621 He of sealing Compressed part 2622, the gasket 262 are equipped with the second through hole 2623 through sealing 2621 and compressed part 2622, compressed part 2622 be cylindrical body, and the lateral surface of the sealing 2621 is arc-shaped, and the outer surface with changing control 2 matches, described close The clamping pad 261 is pressed in holding tank 200 by the compressed part 2622 of packing 262 through the first through hole 2611, is compressed Pad 261 applies opposition to sealing 2621 makes the sealing 2621 be resisted against the inner wall of the lid 1.The present embodiment In, seal assembly 26 includes clamping pad 261 and gasket 262, and clamping pad 261 and gasket 262, which are engaged, can reach good Sealing effect.
In one embodiment, the balancing patch 221 is a tablet, and when rotating conversion control 2, which supports all the time Tightly in the side of lid 1 so that the seal assembly 26 at filtering outlet 24 push against all the time in conversion control 2 and lid 1 it Between, it is ensured that good sealing effect, meanwhile, slab construction does not interfere with the water inlet of filtered inlet 22, ensure that inflow, and And the structure is very simple, handling ease.
Preferably, the balancing patch 221 is arranged on the middle of the filtered inlet 22, better assures that filtering outlet 24 The sealing function of the seal assembly 26 at place.But not limited to this, the balancing patch 221 can also be relative to the filtered inlet 22 Middle is slightly inclined to, the invention is not limited in this regard.
The fore filter further includes rotary switch 6, and the lid 1 includes the installation through-hole 14 arranged on upper end, described The upper end of conversion control 2 is equipped with mounting post 27, and the mounting post 27 connects through the installation through-hole 14 with the rotary switch 6 Connect, by the rotation of the rotation control conversion control 2 of the rotary switch 6.In use, only need to rotate the rotary switch 6 can drive the conversion control 2 to rotate, so that from filtration condition fore filter is switched to back flush state or from anti- Filtration condition is switched to flushing state, it is very convenient.
In one embodiment, the outer wall of the mounting post 27 is equipped with least one cricoid groove 271, in the groove 271 Equipped with O-ring seals 272, the O-ring seals 272 push against the inner wall of the installation through-hole 14 so that the mounting post 27 with Good sealing is formed between the lid 1.In one embodiment, the outer wall of the mounting post 27 is equipped with three cricoid grooves 271, O-ring seals 272 are equipped with each groove 271, its sealing effect is very good, but not limited to this, the present invention is to groove 271 quantity is not restricted.
In one embodiment, please refer to Fig.2, shown in 13, the upper end of the lid 1 is equipped with limited block 15, the rotary switch 6 Equipped with limiting slot 61, the limited block 15 and the limiting slot 61 coordinate to limit the rotational angle of the rotary switch 6, when turning When the side wall of dynamic rotary switch 6 to limiting slot 61 props up limited block 15, rotary switch 6 cannot be rotated further, so as to accurate The rotational angle of ground control conversion control 2, avoids the occurrence of the excessive or too small situation of rotational angle.In the present embodiment, the limit Position groove 61 is right angle fan groove 271, and the rotational angle for defining rotary switch 6 is 90 °, and filtering shape is carried out with conversion control 2 The angle that state and back flush state need to rotate when switching is adapted.
In one embodiment, the lower end of the conversion control 2 is equipped with threaded joints 28, the threaded joints 28 and the filter The upper end of net 3 is connected through a screw thread.In one embodiment, the threaded joints 28 are equipped with internal thread, and the upper end of the strainer 3 is set There is the external screw thread with screw-internal thread fit;Alternatively, the threaded joints 28 are equipped with external screw thread, the upper end of the strainer 3 be equipped with The internal thread that external screw thread coordinates.The side wall of the threaded joints 28 is equipped with connection through hole 281, is led to using screw through the connection The connection of hole 281 conversion control 2 and strainer 3, connection through hole 281 is set and screw further increase conversion control 2 and strainer 3 it Between degree of being connected firmly, avoid and change the screw thread between control 2 and strainer 3 during the conversion control 2 is rotated and connect Pick out the situation of existing loosening.
Shown in please referring to Fig.2, the fore filter further includes the brush assemblies 7 being fixed in the cylinder 4, the brush Washing component 7 includes upper connection ring 71, lower connection ring 72 and several hairbrush 73, and the upper end of several hairbrush 73 connects the upper connection Ring 71, lower end connect the lower connection ring 72, and several hairbrush 73 are arranged at the outside of strainer 3.Set brush assemblies 7 can be to strainer 3 outside is scrubbed, so as to reach more preferable cleaning performance, and it is time saving, laborsaving, cost is low.In the present embodiment, the scrub Component 7 includes four hairbrush 73, the surrounding of strainer 3 is evenly arranged in respectively, when fore filter is switched to instead by filtration condition During to the state of flushing, conversion control 2 rotates 90 ° with electric filter 3, and hairbrush 73 is fixed, then 73 opposed screen 3 of hairbrush rotates 90 °, 3 lateral surface of strainer to be scrubbed, the dirt that can be will attach on strainer 3 is scrubbed, while coordinates the current of flushing, Strainer 3 is washed.It is that repeatedly scrubbing back and forth for hairbrush 73 can be achieved to rotate conversion control 2 repeatedly, and cleaning operation is very simple It is single, and cleaning performance greatly promotes, relative to using hard it is convex it is stupefied scrape strainer by the way of, the present embodiment is scrubbed using hairbrush 73 Its scrub of strainer 3 is more thorough, and cleaning effect is more preferable.The present invention is not restricted the quantity of hairbrush 73.
The hairbrush 73 is connected together respectively with the upper connection ring 71 and the lower connection ring 72, and such structure is easy Dismounting, easy to assemble and replace.Specifically, the upper connection ring 71 is equipped with the first bayonet 711, and the upper end of the hairbrush 73 is equipped with Second bayonet 731, the second bayonet 731 and the first bayonet 711, which coordinate, realizes being connected together for hairbrush 73 and upper connection ring 71.It is described Lower connection ring 72 is equipped with the 3rd bayonet 721, and the lower end of the hairbrush 73 is equipped with the 4th bayonet 732, the 3rd bayonet 721 and the 4th card Mouthfuls 732 coordinate and realize being connected together for hairbrush 73 and lower connection ring 72.
Please refer to Fig.2, shown in 3,14,73 lower end of hairbrush is equipped with fixed notch 733, and it is convex that the cylinder 4 is equipped with fixation 42 are played, the fixed lobe 42 is inserted into the fixed notch 733 so as to which the brush assemblies 7 are fixed in the cylinder 4.Should Fixed form is fixed by being connected together, and when assembling only needs to align fixed notch 733 with fixed lobe 42, will be solid Fixed protrusion 42 is inserted into fixed notch 733, and assembling is very simple, during dismounting, it is only necessary to extracts brush assemblies 7 upwards and is Can, it is same very convenient.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair Bright technical solution makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention Any simple modifications, equivalents, and modifications made to above example of technical spirit, belong to technical solution of the present invention Protection domain.

Claims (12)

  1. A kind of 1. conversion control of fore filter, it is characterised in that including:Fluid passage, filtered inlet, rinse import, mistake Mouth and balance recess are filtered out, the axial direction of the fluid passage along conversion control is set and opening down, the filtering Import, the circumferential side wall rinsed import, the filtering outlet and the balance recess and be arranged on the conversion control, it is described Filtered inlet and the filtering outlet are oppositely arranged, it is described flushing import and it is described balance recess be oppositely arranged, it is described filter into The lower end of the mouth perforation conversion control, the filtered inlet and the balance recess are arranged at intervals with the fluid passage, The flushing import and the filtering outlet are connected with the fluid passage respectively, and the filtered inlet is equipped with along conversion control Axial direction set balancing patch, it is described rinse import, the filtering outlet and it is described balance recess opening be equipped with Holding tank is used to accommodate seal assembly.
  2. 2. the conversion control of fore filter according to claim 1, it is characterised in that the balancing patch is a tablet.
  3. 3. the conversion control of fore filter according to claim 1, it is characterised in that the upper end of the conversion control is set There is mounting post, the outer wall of the mounting post is equipped with least one cricoid groove and is used to accommodate O-ring seals.
  4. A kind of 4. fore filter, it is characterised in that including:
    Lid, has accommodating chamber, medium entrance and media outlet, and the medium entrance and the media outlet are relatively arranged on The accommodating chamber both sides and it is respectively communicated with the accommodating chamber;
    Columnar conversion control, is rotatably arranged in the accommodating chamber, has fluid passage, filtered inlet, rinses import, mistake Filter out mouth and balance recess, the fluid passage along it is described conversion control axial direction set and it is opening down, it is described Filtered inlet, the circumferential side wall rinsed import, the filtering outlet and the balance recess and be arranged on the conversion control, The filtered inlet and the filtering outlet are oppositely arranged, and the flushing import and the balance recess are oppositely arranged, the mistake The lower end of the import perforation conversion control is filtered, the filtered inlet and the balance recess are set with the fluid passage interval Put, the flushing import and the filtering outlet are connected with the fluid passage respectively, and the filtered inlet is equipped with along conversion The balancing patch that the axial direction of control is set, the balancing patch are resisted against the inner wall of the lid, the flushing import, the filtering The opening of outlet and the balance recess is equipped with holding tank, and seal assembly, the seal assembly are equipped with the holding tank Outside against the lid inner wall so that it is described conversion control and the lid between formed be tightly connected;
    The strainer of tubular, is connected to the lower end of the conversion control, the inside of strainer is connected with the fluid passage;
    Cylinder, is connected to the lid lower end and is sheathed on the outside of the strainer;It was equipped between the strainer and the cylinder Passage is filtered, the lower end of the filtered inlet connects the filtration channel, and the lower end of cylinder is equipped with sewage draining exit;And
    Blowdown valve, is used for the opening and closing for controlling the sewage draining exit at the sewage draining exit;
    When the rotation conversion control is connected to filtered inlet with the medium entrance, the filtering outlet goes out with the medium Mouth connection, the fore filter are in filtration condition;When rotating the conversion control import and the medium are rinsed to described During inlet communication, the balance recess seals the media outlet, and the fore filter is in back flush state.
  5. 5. fore filter according to claim 4, it is characterised in that further include rotary switch, the lid includes setting Installation through-hole in upper end, the upper end of the conversion control are equipped with mounting post, and the mounting post passes through the installation through-hole and institute Rotary switch connection is stated, by the rotation of the rotation control conversion control of the rotary switch.
  6. 6. fore filter according to claim 5, it is characterised in that the outer wall of the mounting post is equipped with least one ring The groove of shape, the groove is interior to be equipped with O-ring seals, and the O-ring seals push against the inner wall of the installation through-hole.
  7. 7. fore filter according to claim 5, it is characterised in that the upper end of the lid is equipped with limited block, described Rotary switch is equipped with limiting slot, and the limited block coordinates with the limiting slot to limit the rotational angle of the rotary switch.
  8. 8. fore filter according to claim 4, it is characterised in that the lower end of the conversion control, which is equipped with, to be threadedly coupled Portion, the upper end of the threaded joints and the strainer are connected through a screw thread, and the side wall of the threaded joints is equipped with connection through hole, Control and strainer are changed through connection through hole connection using screw.
  9. 9. fore filter according to claim 4, it is characterised in that further include the scrub group being fixed in the cylinder Part, the brush assemblies include upper connection ring, lower connection ring and several hairbrush, and the upper end of several hairbrush connects the upper connection Ring, lower end connect the lower connection ring, and several hairbrush are arranged at the outside of strainer.
  10. 10. fore filter according to claim 9, it is characterised in that the hairbrush and the upper connection ring and described Lower connection ring is connected together respectively.
  11. 11. fore filter according to claim 9, it is characterised in that the hairbrush lower end is equipped with fixed notch, described Cylinder is equipped with fixed lobe, and the fixed lobe is inserted into the fixed notch so as to which the brush assemblies are fixed on the cylinder It is interior.
  12. 12. fore filter according to claim 4, it is characterised in that the seal assembly includes clamping pad and sealing Pad, the clamping pad is pressed in the holding tank by the gasket, and the outside of the gasket is against the lid.
CN201810045695.3A 2018-01-17 2018-01-17 The conversion control and fore filter of fore filter Pending CN107998719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810045695.3A CN107998719A (en) 2018-01-17 2018-01-17 The conversion control and fore filter of fore filter

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Application Number Priority Date Filing Date Title
CN201810045695.3A CN107998719A (en) 2018-01-17 2018-01-17 The conversion control and fore filter of fore filter

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Publication Number Publication Date
CN107998719A true CN107998719A (en) 2018-05-08

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CN201810045695.3A Pending CN107998719A (en) 2018-01-17 2018-01-17 The conversion control and fore filter of fore filter

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108905338A (en) * 2018-09-10 2018-11-30 诸暨市来诺环境科技有限公司 Universal directional multifunctional fore filter
CN109364554A (en) * 2018-10-16 2019-02-22 宁波德远洁具有限公司 A kind of fore filter backwashed and its working method

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CN104421449A (en) * 2013-09-04 2015-03-18 龚伶 Ultra-short ball valve
CN106110728A (en) * 2016-08-24 2016-11-16 吴伟锋 Flow direction conversion control and backwash fore filter
CN106823535A (en) * 2017-02-28 2017-06-13 日丰企业集团有限公司 Fore filter
CN207899067U (en) * 2018-01-17 2018-09-25 吴伟锋 The conversion control and fore filter of fore filter

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CN2054123U (en) * 1989-06-23 1990-03-07 浙江瑞安永久机电研究所 Filtering valve
CN2305400Y (en) * 1996-12-27 1999-01-27 陈恺瑞 Reverse osmosis pure water machine with back flushing type front precision safety filter system
US20050121382A1 (en) * 2003-12-05 2005-06-09 Walton Frank A. Backwash flushing filter
CN203214924U (en) * 2013-04-22 2013-09-25 宁波埃美柯铜阀门有限公司 Filtering and pollution discharging ball valve
CN104421449A (en) * 2013-09-04 2015-03-18 龚伶 Ultra-short ball valve
CN204127366U (en) * 2014-07-28 2015-01-28 董服义 A kind of easy-to-dismount Filtering ball valve
CN106110728A (en) * 2016-08-24 2016-11-16 吴伟锋 Flow direction conversion control and backwash fore filter
CN106823535A (en) * 2017-02-28 2017-06-13 日丰企业集团有限公司 Fore filter
CN207899067U (en) * 2018-01-17 2018-09-25 吴伟锋 The conversion control and fore filter of fore filter

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Publication number Priority date Publication date Assignee Title
CN108905338A (en) * 2018-09-10 2018-11-30 诸暨市来诺环境科技有限公司 Universal directional multifunctional fore filter
CN109364554A (en) * 2018-10-16 2019-02-22 宁波德远洁具有限公司 A kind of fore filter backwashed and its working method

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