CN218653322U - Filter - Google Patents

Abstract

The utility model relates to a filter technical field, concretely relates to filter. The utility model provides a filter which comprises a shell, a water inlet, a water outlet and a sewage outlet; the filter assembly comprises a filter screen which is rotatably connected inside the shell, the filter screen is cylindrical, one end of the filter screen is provided with a liquid inlet communicated with the water inlet, the other end of the filter screen is provided with a first liquid outlet communicated with the sewage outlet, and the periphery of the filter screen is provided with a plurality of second liquid outlets communicated with the water outlet; the driving assembly is connected to the shell, and the power output end of the driving assembly is connected with the filter screen; the cleaning assembly comprises a plurality of nozzles arranged in the shell, and the filter screen is arranged on the spraying paths of the nozzles. The utility model provides a filter is convenient for wash the filter screen when the filter screen blocks up including wasing the subassembly, guarantees filterable going on.

Description

Filter

Technical Field

The utility model relates to a filter technical field, concretely relates to filter.

Background

The micro-irrigation is a water irrigation method for uniformly and accurately and directly conveying water and nutrients required by the growth of crops to soil near the roots of the crops at a small flow rate through a pipeline system and an irrigation emitter arranged on a final-stage pipeline according to the requirements of the crops, so that the pipeline for conveying the water and the nutrients is thin, and if more impurities are doped in the water and the nutrients, the pipeline is blocked, so that the water and the nutrients can enter a filter for filtering before being introduced into the pipeline.

At present, common filters include a sand filter, a screen filter, a lamination filter and a centrifugal filter, and the screen filter is widely applied due to simple structure, convenient operation and high filtering efficiency. Because most of farmland irrigation mostly adopts surface water or canal water, the content of silt and organic matters is higher, and the silt and the organic matters are easy to adhere to a filter screen when being filtered by the screen filter, thereby causing the blockage of the filter screen.

Therefore, a filter capable of preventing the filter screen from being blocked is in need.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the easy defect of blockking up of filter screen of the filter among the prior art to a filter that can wash the filter screen by oneself is provided.

In order to solve the above problem, the utility model provides a filter, include:

the shell comprises a water inlet, a water outlet and a sewage draining outlet;

the filter assembly comprises a filter screen which is rotatably connected inside the shell, the filter screen is cylindrical, one end of the filter screen is provided with a liquid inlet communicated with the water inlet, the other end of the filter screen is provided with a first liquid outlet communicated with the sewage outlet, and the periphery of the filter screen is provided with a plurality of second liquid outlets communicated with the water outlet;

the driving assembly is connected to the shell, and the power output end of the driving assembly is connected with the filter screen;

the cleaning assembly comprises a plurality of nozzles arranged in the shell, and the filter screen is arranged on the spraying paths of the nozzles;

the filter is provided with a filtering state for closing the sewage draining exit and the nozzle, opening the water outlet, the driving assembly and the water inlet, and a cleaning state for opening the sewage draining exit, the driving assembly and the nozzle and closing the water outlet and the water inlet.

Optionally, the cleaning assembly further comprises:

a fluid pump;

and one end of the pipeline is communicated with the liquid outlet end of the fluid pump, the other end of the pipeline extends into the shell along the axial direction of the filter screen and is positioned outside the filter screen, and the plurality of nozzles are distributed on the pipeline at intervals and are communicated with the pipeline.

Optionally, the spray nozzle further comprises a plurality of flow guide assemblies, the flow guide assemblies are connected to one ends, deviating from the pipeline, of the spray nozzles, and each spray nozzle is matched with one group of flow guide assemblies and used for controlling the spraying angle of the spray nozzle.

Optionally, the flow guide assembly includes:

one end of the first fan blade is rotatably connected to the upper side of the nozzle, and a first connecting hole and a second connecting hole are formed in the first fan blade at intervals;

one end of the second fan blade is rotatably connected to the lower side of the nozzle, third connecting holes, fourth connecting holes and fifth connecting holes are formed in the second fan blade at intervals, the first connecting holes and the third connecting holes are correspondingly arranged, the second connecting holes and the fourth connecting holes are correspondingly arranged, and the fifth connecting holes are close to the third connecting holes;

one end of the pull rope is fixedly connected with the first connecting hole, and the other end of the pull rope is movably wound on the handle after passing through the second connecting hole, the fourth connecting hole, the third connecting hole and the fifth connecting hole in sequence;

and one end of the elastic piece is connected to the first fan blade at one nozzle, and the other end of the elastic piece is connected to the second fan blade at the adjacent nozzle.

Optionally, the air guide assembly further comprises a pair of extension rods, the extension rods are arranged on the pipeline at intervals and located at the upper end and the lower end of the air guide assembly, the extension rods located at the top are connected with the elastic piece between the first fan blades located at the top, and the extension rods located at the bottom are connected with the elastic piece between the second fan blades located at the bottom.

Optionally, the filter screen is provided with a concave part and/or a convex part on the periphery thereof, which is suitable for increasing the surface area.

Optionally, the filter screen is provided with the concave portions and the convex portions at intervals, and the concave portions extend along the axial direction of the filter screen and are formed by being recessed into the filter screen; the convex part extends along the axial direction of the filter screen and is formed by arching towards the outside of the filter screen.

Optionally, the device further comprises a pair of support assemblies which are connected to the inner wall of the shell at intervals along the axial direction of the shell; the pair of supporting components are respectively connected with the two ends of the filtering component in a rotatable way.

Optionally, the filter assembly further comprises a first connecting plate and a second connecting plate respectively connected to two ends of the filter screen; the first connecting plate is provided with a first through hole communicated with the liquid inlet, and is also provided with a first limiting convex ring which is formed by extending along the circumferential side of the first connecting plate to the direction close to the other end of the filter screen; the second connecting plate is provided with a second through hole communicated with the first liquid outlet, and a second limiting convex ring is further arranged on the second connecting plate and formed by extending along the circumferential side of the second connecting plate to the direction close to the first connecting plate;

the supporting assembly comprises a fixing ring and a connecting ring, the outer ring of the fixing ring is connected to the inner wall of the shell, and the inner ring of the fixing ring is provided with an installation part; the connecting ring is detachably connected to the mounting part, and a circular limiting groove is formed in the connecting ring;

the limiting groove of one supporting assembly is rotatably connected with the first limiting convex ring, and the limiting groove of the other supporting assembly is rotatably connected with the second limiting convex ring.

Optionally, the method further includes:

the first detection assembly is arranged at the water inlet;

the second detection assembly is arranged at the water outlet;

the control box is in communication connection with the first detection assembly and the second detection assembly and is suitable for receiving detection results of the first detection assembly and the second detection assembly and controlling the filter to be switched between the filtering state and the cleaning state according to the detection results.

The utility model has the advantages of it is following:

1. the utility model provides a filter, including casing, filter assembly, drive assembly and washing subassembly, the casing includes water inlet, delivery port and drain, and filter assembly includes the filter screen, and the filter screen is the tube-shape, and the filter screen is equipped with inlet and first liquid outlet, second liquid outlet, and the inlet communicates with the water inlet, and first liquid outlet communicates with the drain, and the second liquid outlet communicates with the delivery port; the power output end of the driving assembly is connected with the filter screen; the cleaning assembly is provided with a nozzle, and the filter screen is arranged on a spraying path of the nozzle.

When the filter is in a filtering state, the drain outlet and the nozzle are closed, the water outlet and the water inlet are opened, meanwhile, the driving assembly drives the filter screen to rotate, stock solution to be filtered enters the filter screen from the water inlet through the liquid inlet on the filter screen and rotates along with the filter screen, impurities in the stock solution stay in the filter screen in the rotating process, and the filtered cleaning solution flows out from the second liquid outlet through the water outlet; when more impurities stay on the second liquid outlet of the filter screen to cause the blockage of the second liquid outlet, the filter enters a cleaning state, the water inlet and the water outlet are closed at the moment, the drain outlet and the nozzle are opened, the nozzle sprays cleaning liquid to the filter screen, meanwhile, the drive assembly drives the filter screen to rotate, so that the cleaning liquid washes or dissolves the impurities on the second liquid outlets, and the cleaned sewage is discharged from the drain outlet through the first liquid outlet; and after the impurities are cleaned, the filter enters a filtering state again and runs repeatedly.

Through setting up the cleaning assembly for filter screen in the filter can wash the filter screen through the nozzle when blockking up, has avoided having guaranteed filterable going on because the filter screen blocks up and leads to the filter efficiency step-down or can't carry out filterable condition.

2. The utility model provides a cleaning assembly still includes fluid pump and pipeline, and the play liquid end of fluid pump is connected to pipeline one end, and the other end stretches to put in the casing, a plurality of nozzle interval distribution on the pipeline and with the pipeline intercommunication, can follow the axial of filter screen and spray the filter screen, when the filter screen was rotatory, a plurality of nozzles can all spray the washing to the axial and the circumference of filter screen, guarantee to the comprehensive washing of filter screen, reinforcing cleaning performance. The pipeline stretches to be put in the casing, is located the outside of filter screen, can not occupy the inside space of filter screen, compares inside the filter screen with the washing subassembly setting, when the filter screen rotation is filtered, and the pipeline can not increase filtration resistance in the filter screen, also can not damage because of receiving patting of silt granule etc. more can not receive the jam of silt granule etc.. The fluid pump provides power for conveying the cleaning fluid, and pressure difference in the pipeline is compensated.

3. The utility model provides a plurality of water conservancy diversion subassemblies are connected in the nozzle and are deviated from the one end of pipeline, and with the nozzle one-to-one matching for the spray angle of control nozzle. When the spray angle of the nozzle is large, the spray range of the cleaning liquid is wide, and the jet flow strength is relatively small at the moment, so that the cleaning liquid is suitable for the condition that a filter screen is slightly blocked in a large area; when the spraying angle of the nozzle is small, the spraying range of the cleaning liquid is narrow, and the jet flow strength is relatively high at the moment, so that the cleaning liquid is suitable for the condition that the local part of the filter screen is seriously blocked.

4. The utility model provides a flow guide assembly, including first flabellum, the second flabellum, stay cord and elastic component, wherein the interval is equipped with first connecting hole and second connecting hole on the first flabellum, the interval is equipped with the third connecting hole on the second flabellum, fourth connecting hole and fifth connecting hole, first connecting hole and third connecting hole correspond the setting, second connecting hole and fourth connecting hole correspond the setting, the fifth connecting hole is close to the setting of third connecting hole, stay cord one end fixed connection is in first connecting hole department, the other end is in proper order the activity pass, the second connecting hole, the fourth connecting hole, the third connecting hole, around establishing on the handle behind the fifth connecting hole, elastic component one end is connected on a first flabellum, the other end is connected on the second flabellum of the adjacent nozzle of this first flabellum. The stay cord is connected to the first fan blade and the second fan blade in a winding mode, the first fan blade and the second fan blade are in an initial state, an included angle of 180 degrees is formed between the first fan blade and the second fan blade and located on two sides of the nozzle, when the handle rotates towards one direction, the stay cord is tightened, the elastic piece is stretched, and then the included angle between the first fan blade and the second fan blade is gradually reduced, so that the spraying angle of the nozzle is reduced, and the jet flow strength is increased; when the handle rotated towards another direction, the stay cord was lax gradually, and the elastic component drives the first flabellum and the second flabellum at both ends through self elasticity and rotates to recovering initial state, and then the contained angle crescent of first flabellum and second flabellum for the injection angle increase of nozzle, jet strength reduces.

5. The utility model provides a pair of extension rod, the interval sets up on the pipeline, is located the upper and lower both ends of water conservancy diversion subassembly, and the extension rod at top passes through the elastic component with the first flabellum at top to be connected, and the extension rod of bottom passes through the elastic component with the second flabellum of bottom to be connected. Through setting up a pair of extension rod for the first flabellum at top and the second flabellum of bottom also can be connected with the elastic component, and then the water conservancy diversion subassembly of top and bottom also can increase under the drive of elastic component and open the angle, and the water conservancy diversion subassembly action of centre is unanimous.

6. The utility model provides a filter screen, periphery are equipped with the concave part and the convex part that are suitable for the increase surface area simultaneously, perhaps only are equipped with concave part or convex part, through the surface area of increase filter screen, and then increase filter area, under the same operating condition, the filtration efficiency of this kind of filter screen is higher.

7. The utility model provides a filter screen, interval are equipped with concave part and convex part, and the concave part is followed the axial extension of filter screen and is sunken to the filter screen is inside, and the convex part is followed the axial extension of filter screen and is arched to the filter screen outside for the transversal petal-shaped structure of personally submitting of filter screen, the appearance is well-balanced pleasing to the eye, and unsmooth combination makes the filter area of filter screen bigger, and is better to the filter effect of impurity when rotatory. And at the rotatory filterable in-process of filter screen, different effort can be applyed to impurity to concave part and convex part, and impurity gets into the inslot that the convex part formed on the filter screen inner chamber, and the cell wall of both sides applys different power to impurity for impurity is more easily retained in the inslot that the convex part formed, and the filter effect is better, and the concave part can promote impurity and remove to the convex part, and the existence of concave part and convex part both can strengthen filtration area greatly, and the filtration pressure that still can constantly change obtains better filter effect. Concave part and convex part all follow the axial extension of filter screen, both are convenient for treat filterable stoste and get into the convex part, still avoid impurity to remain in the unable discharge of convex part when the cleaning state.

8. The utility model provides a filter still includes a pair of supporting component, connects on the inner wall of casing along the axial interval of casing, and a pair of supporting component rotationally is connected with filtering component's both ends respectively. Provide the holding power for filtering component through the supporting component, build rotatable platform for filtering component.

9. The utility model provides a filter, filtering component still include first connecting plate and second connecting plate, connect respectively at the both ends of filter screen, are equipped with first through-hole and first spacing bulge loop on the first connecting plate, and first through-hole communicates with the inlet of filter screen, and first spacing bulge loop extends towards the direction of second connecting plate, is equipped with second through-hole and second spacing bulge loop on the second connecting plate, and second through-hole and first liquid outlet communicate, and second spacing bulge loop sets up with first spacing bulge loop relatively; the pair of supporting components comprises a fixing ring and a connecting ring, the outer ring of the fixing ring is connected with the inner wall of the shell, the inner ring of the fixing ring is connected with the connecting ring, and a limiting groove is formed in the connecting ring. Wherein, the spacing recess and the first spacing bulge loop rotatable coupling of a supporting component, the spacing recess and the second spacing bulge loop rotatable coupling of another supporting component.

The filter screen is connected in the casing through first connecting plate and second connecting plate swivelling joint, cooperates respectively through first spacing bulge loop and second spacing bulge loop and two spacing recesses and is connected, the rotation orbit of restriction filter screen for the filter screen is along fixed orbit motion, prevents the derail. Meanwhile, the second limiting convex ring and the first limiting convex ring are arranged in a reverse direction, so that the first liquid outlet is conveniently communicated with the sewage drain, the cleaned sewage is directly discharged from the sewage drain, and the sewage is prevented from being discharged from the water outlet.

The filter screen is supported by the supporting component, and a track is provided for the rotation of the filter screen. Simultaneously two go-between are connected with first connecting plate and second connecting plate cooperation respectively, with the casing inside be divided into in, three chamber down, the stoste that the water inlet got into can only get into the filter screen through the inlet and filter in, the cleaning solution can only flow via the delivery port through the second liquid outlet under the effect of centrifugal force, and sewage and impurity are discharged via the drain through first liquid outlet under the action of gravity, liquid in the three cavity can not be confused, avoid polluting the cleaning solution.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of a filter provided by the present invention.

Fig. 2 shows a schematic structural diagram of the cleaning assembly provided by the present invention.

Fig. 3 shows a schematic structural diagram of the flow guide assembly provided by the present invention.

Fig. 4 shows a schematic structural diagram of the filter screen provided by the present invention.

Fig. 5 shows a schematic structural diagram of a connection ring provided by the present invention.

Description of reference numerals:

1. a housing; 11. a water inlet; 12. a water outlet; 13. a sewage draining outlet; 2. a filter assembly; 21. a filter screen; 211. a liquid inlet; 212. a first liquid outlet; 213. a second liquid outlet; 214. a recess; 215. a convex portion; 22. a first connecting plate; 221. a first through hole; 222. a first limit convex ring; 23. a second connecting plate; 231. a second through hole; 232. a second limit convex ring; 3. a drive assembly; 4. cleaning the assembly; 41. a nozzle; 42. a pipeline; 5. a flow guide assembly; 51. a first fan blade; 511. a first connection hole; 512. a second connection hole; 52. a second fan blade; 521. a third connecting hole; 522. a fourth connection hole; 523. a fifth connecting hole; 53. pulling a rope; 54. a handle; 55. an elastic member; 56. an extension rod; 6. a support assembly; 61. a fixing ring; 62. a connecting ring; 621. a limiting groove; 7. a first detection assembly; 8. a second detection assembly; 9. and a control box.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The present embodiment provides a filter, as shown in fig. 1 to 5, including a housing 1, a filter assembly 2, a driving assembly 3, and a cleaning assembly 4.

The shell 1 comprises a water inlet 11, a water outlet 12 and a sewage draining exit 13, further, a water inlet pipeline is arranged at the water inlet 11, a water outlet pipeline is arranged at the water outlet 12, and a sewage draining pipeline is arranged at the sewage draining exit 13. The material of the water inlet pipe, the water outlet pipe and the sewage draining pipe is not further limited here, and may be the same as the material of the housing 1, and optionally, may be a metal material.

The filter assembly 2 comprises a filter screen 21 which is rotatably connected inside the shell 1, the filter screen 21 is cylindrical, one end of the filter screen 21 is provided with a liquid inlet 211 communicated with the water inlet 11, the other end of the filter screen 21 is provided with a first liquid outlet 212 communicated with the sewage outlet 13, and the periphery of the filter screen 21 is provided with a plurality of second liquid outlets 213 communicated with the water outlet 12.

The driving component 3 is connected to the shell 1, and the power output end is connected with the filter screen 21. Specifically, drive assembly 3 includes motor and solar power supply unit, and the motor sets up casing 1's top, solar power supply unit sets up casing 1's week is surveyed, solar power supply unit make full use of natural energy is the motor power supply, and the output of motor is equipped with the pivot, the pivot is stretched and is put casing 1 is inside, and runs through filter screen 21, be equipped with a plurality of connecting rods in the pivot, connecting rod one end is connected in the pivot, the other end is connected in on the filter screen, further, the connecting rod can with the pivot the filter screen sets up perpendicularly, and then the pivot is in rotary motion carries out under the drive of motor, the connecting rod drives filter screen 21 follows the pivot carries out rotary motion, has realized filter screen 21's rotary motion is convenient for filter screen 21 drives and treats that filterable stoste carries out rotary motion for impurity in the stoste stops on the filter screen 21 accomplishes filtering operation.

As shown in fig. 2, the cleaning assembly 4 includes a plurality of nozzles 41 disposed in the housing 1, and the filter screen 21 is disposed on a spray path of the plurality of nozzles 41. Specifically, the plurality of nozzles 41 are arranged in parallel with the axial direction of the filter screen 21. The distance between the plurality of nozzles 41 and the filter screen 21 can be adjusted appropriately according to the jet intensity of the nozzles 41. Alternatively, the nozzle 41 may be tubular, horn-shaped, or the like.

Wherein the filter has a filtering state of closing the sewage draining exit 13 and the nozzle 41, opening the water outlet 12, the driving assembly 3 and the water inlet 11, and a cleaning state of opening the sewage draining exit 13, the driving assembly 3 and the nozzle 41, closing the water outlet 12 and the water inlet 11. When the filter is in a filtering state, the sewage outlet 13 and the nozzle 41 are closed, the water outlet 12 and the water inlet 11 are opened, meanwhile, the driving assembly 3 drives the filter screen 21 to rotate, the stock solution to be filtered enters the filter screen 21 from the water inlet 11 through the liquid inlet 211 on the filter screen 21, and rotates along with the filter screen 21, so that impurities in the stock solution stay at the second liquid outlet 213 on the filter screen 21 in the rotating process, and the cleaning solution flows out from the second liquid outlet 213 through the water outlet 12; when more impurities stay on the second liquid outlets 213 of the filter screen 21, that is, the second liquid outlets 213 are blocked, the filter enters a cleaning state, at this time, the water inlet 11 and the water outlet 12 are closed, the sewage discharge port 13 and the nozzle 41 are opened, the nozzle 41 sprays cleaning liquid to the filter screen 21, meanwhile, the drive assembly 3 drives the filter screen 21 to rotate, so that the cleaning liquid washes away or dissolves the impurities on the second liquid outlets 213, and the cleaned sewage is discharged through the sewage discharge port 13 via the first liquid outlet 212; and after the impurities are cleaned, the filter enters a filtering state again and runs repeatedly.

Meanwhile, the cleaning assembly 4 is arranged in the filter, so that the filter screen 21 in the filter can be cleaned through the nozzle 41 when being blocked, the condition that the filtering efficiency becomes low or the filtering cannot be carried out due to the blocking of the filter screen 21 is avoided, and the filtering is ensured.

Optionally, the washing assembly 4 further comprises a fluid pump and a conduit 42. One end of the pipeline 42 is communicated with the liquid outlet end of the fluid pump, the other end of the pipeline extends in the shell 1 along the axial direction of the filter screen 21 and is positioned outside the filter screen 21, the plurality of nozzles 41 are distributed on the pipeline 42 at intervals and are communicated with the pipeline 42, and further, the plurality of nozzles 41 are uniformly distributed along the pipeline 42. Specifically, the duct 42 is disposed in parallel with the axial direction of the filter screen 21. The number of the ducts 42 is not further limited herein, and may be one, two or more, and a plurality of the ducts 42 may be spaced apart from each other on the peripheral side of the filter screen 21, and preferably, a plurality of the ducts 42 are uniformly distributed on the peripheral side of the filter screen 21. The greater the number, the more efficient the cleaning. The plurality of nozzles 41 can spray the filter screen 21 along the axial direction of the filter screen 21, and when the filter screen 21 rotates, the plurality of nozzles 41 can spray and clean the filter screen 21 in the axial direction and the circumferential direction, so that the filter screen 21 can be comprehensively cleaned, and the cleaning effect is enhanced. Pipeline 42 stretches to be put in the casing, is located the outside of filter screen 21, can not occupy the inside space of filter screen 21, compares in filter screen 21 with washing subassembly 4 setting inside, and when filter screen 21 spin-filtration, pipeline 42 can not increase filtration resistance in filter screen 21, also can not damage because of receiving the patting of silt granule etc. more can not receive the jam of silt granule etc.. The fluid pump powers the delivery of cleaning fluid, compensating for the pressure differential within the conduit 42. Specifically, the cleaning solution may be water or other dissolving agent capable of dissolving impurities, and the dissolving agent is specifically selected according to impurity components.

Optionally, the present embodiment further includes a plurality of flow guiding assemblies 5 connected to one end of the nozzle 41 away from the pipeline 42, and each of the nozzles 41 matches a group of the flow guiding assemblies 5, so as to control the spraying angle of the nozzle 41. When the spray angle of the nozzle 41 is large, the spray range of the cleaning liquid is wide, and the jet flow strength is relatively small at the moment, so that the cleaning liquid is suitable for the condition that the filter screen 21 is slightly blocked in a large area; when the injection angle of the nozzle 41 is small, the injection range of the cleaning liquid is narrow, and the jet flow strength is relatively large at this time, which is suitable for the case where the filter screen 21 is partially clogged seriously.

As a specific embodiment, as shown in fig. 3, the flow guiding assembly 5 includes a first blade 51, a second blade 52, a pulling rope 53 and an elastic member 55.

One end of the first blade 51 is rotatably connected to the upper side of the nozzle 41, and the first blade 51 is provided with a first connection hole 511 and a second connection hole 512 at intervals.

One end of the second blade 52 is rotatably connected to the lower side of the nozzle 41, a third connecting hole 521, a fourth connecting hole 522 and a fifth connecting hole 523 are arranged on the second blade 52 at intervals, the first connecting hole 511 and the third connecting hole 521 are correspondingly arranged, the second connecting hole 512 and the fourth connecting hole 522 are correspondingly arranged, and the fifth connecting hole 523 is arranged close to the third connecting hole 521. Specifically, the first fan blade 51 and the second fan blade 52 may be rectangular, fan-shaped, or the like; the first connection hole 511, the second connection hole 512, the third connection hole 521, the fourth connection hole 522, and the fifth connection hole 523 may be circular holes, square holes, or the like.

One end of the pull rope 53 is fixedly connected to the first connection hole 511, and the other end thereof is movably arranged on the handle 54 after passing through the second connection hole 512, the fourth connection hole 522, the third connection hole 521 and the fifth connection hole 523 in sequence. In a specific embodiment, the pulling rope 53 is an elastic rope; as another embodiment, the draw string 53 has no elastic force.

In one embodiment, there is one pull cord 53, which connects each set of first blade 51 and second blade 52 in the above-described manner. In an alternative embodiment, the plurality of pull cords 53 are provided, and each pull cord 53 controls a set of the first blade 51 and the second blade 52. In an alternative embodiment, the pull cord 53 has a plurality of cords, and each of the cords 53 controls two sets of the first blade 51 and the second blade 52.

In an alternative embodiment, the end of the pull cord 53 near the handle 54 is directly and fixedly connected to the handle 54, and the handle 54 may be pulled away from the pull cord 53 without being wound around. In one embodiment, one of the handles 54 is connected to one of the pull cords 53; in another embodiment, there are a plurality of the handles 54, and a plurality of the handles 54 correspond to a plurality of the pull ropes 53 one by one; in another embodiment, there are a plurality of the handles 54, and one handle 54 is connected to two pull cords 53.

The elastic member 55 has one end connected to the first fan blade 51 at one of the nozzles 41 and the other end connected to the second fan blade 52 at the adjacent nozzle 41. Specifically, the elastic member 55 may be a spring, an elastic cord, or the like.

The pull rope 53 is connected to the first fan blade 51 and the second fan blade 52 in the winding manner, the first fan blade 51 and the second fan blade 52 are in an initial state with an included angle of 180 degrees and are located on two sides of the nozzle 41, when the handle 54 rotates towards one direction, the pull rope 53 is tightened, the elastic piece 55 is stretched, and then the included angle between the first fan blade 51 and the second fan blade 52 is gradually reduced, so that the spraying angle of the nozzle 41 is reduced, and the jet flow strength is increased; when the handle 54 rotates in the other direction, the pull rope 53 is gradually loosened, the elastic member 55 drives the first fan blade 51 and the second fan blade 52 at the two ends to rotate to the initial state through the elasticity thereof, and then the included angle between the first fan blade 51 and the second fan blade 52 is gradually increased, so that the spraying angle of the nozzle 41 is increased, and the jet intensity is reduced.

Optionally, this embodiment further includes a pair of extension rods 56, the interval sets up on the pipeline 42, and be located the upper and lower both ends of water conservancy diversion subassembly 5, be located the top extension rod 56 with be located the top be connected with between the first flabellum 51 elastic component 55, be located the bottom extension rod 56 with be located the bottom be connected with between the second flabellum 52 elastic component 55. In particular, the extension rod 56 may have the same length as the nozzle 41, so that the overall appearance of the washing assembly 4 is more attractive. By arranging the pair of extending rods 56, the top first fan blade 51 and the bottom second fan blade 52 can also be connected with the elastic member 55, and further the opening angle of the top and bottom guide assemblies 5 can be increased under the driving of the elastic member 55, and the movement of the top and bottom guide assemblies 5 is consistent with that of the middle guide assembly 5.

Optionally, as a specific embodiment, the filter screen 21 is provided with a concave portion 214 and a convex portion 215 on the outer circumference thereof, which are both adapted to increase the surface area; as another specific embodiment, the filter screen 21 is provided on the outer circumference thereof with only the recess 214 adapted to increase the surface area; as another specific embodiment, the filter screen 21 is provided with only the convex portion 215 adapted to increase the surface area on the outer circumference. By increasing the surface area of the filter screen 21 and further increasing the filter area, the filter efficiency of the filter screen 21 is higher under the same working conditions.

Optionally, as shown in fig. 4, the filter screen 21 is provided with the concave portion 214 and the convex portion 215 at intervals, and the concave portion 214 extends along the axial direction of the filter screen 21 and is formed by being recessed into the filter screen 21; the convex portion 215 extends in the axial direction of the filter screen 21 and is formed to be arched outward of the filter screen 21. The cross section of the filter screen 21 is in a petal-shaped structure, the appearance is uniform and attractive, the filter area of the filter screen is larger due to the concave-convex combination, and the filter effect on impurities is better when the filter screen rotates. And in the process of the rotary filtration of the filter screen 21, the concave part 214 and the convex part 215 can apply different acting forces to the impurities, the impurities enter the groove formed by the convex part 215 on the inner cavity of the filter screen 21, the groove walls on the two sides apply different forces to the impurities, so that the impurities are more easily retained in the groove formed by the convex part 215, the filtering effect is better, the concave part 214 can push the impurities to move towards the convex part 215, the existence of the concave part 214 and the convex part 215 can greatly enhance the filtering area, the filtering pressure can be continuously changed, and the better filtering effect is obtained. The concave part 214 and the convex part 215 extend along the axial direction of the filter screen 21, which not only facilitates the raw liquid to be filtered to enter the convex part 215, but also prevents impurities from remaining on the convex part 215 and being unable to be discharged in a cleaning state.

Optionally, the present embodiment further includes a pair of support assemblies 6 connected to the inner wall of the housing 1 at intervals along the axial direction of the housing 1; a pair of the supporting members 6 are rotatably connected to both ends of the filter assembly 2, respectively. Provide the holding power for filter element 2 through supporting component 6, build rotatable platform for filter element 2.

Optionally, the filter assembly 2 further includes a first connecting plate 22 and a second connecting plate 23 respectively connected to two ends of the filter screen 21; the first connecting plate 22 is provided with a first through hole 221 communicated with the liquid inlet 211, the first connecting plate 22 is further provided with a first limiting convex ring 222, and the first limiting convex ring 222 is formed by extending along the circumferential side of the first connecting plate 22 to the direction close to the other end of the filter screen 21; the second connecting plate 23 is provided with a second through hole 231 communicated with the first liquid outlet 212, the second connecting plate 23 is further provided with a second limiting convex ring 232, and the second limiting convex ring 232 extends along the circumferential side of the second connecting plate 23 to the direction close to the first connecting plate 22. In another specific embodiment, the second retaining ring 232 is disposed in the same direction as the first retaining ring 222.

The supporting assembly 6 comprises a fixed ring 61 and a connecting ring 62, the outer ring of the fixed ring 61 is connected to the inner wall of the shell 1, and the inner ring is provided with a mounting part; as shown in fig. 5, the connection ring 62 is detachably connected to the mounting portion, and a circular stopper groove 621 is formed on the connection ring 62. Specifically, the mounting portion is an annular groove, and as shown in fig. 1, the connection ring 62 is connected to the mounting portion by bolts. Wherein, the limiting groove 621 of one of the supporting components 6 is rotatably connected with the first limiting convex ring 222, and the limiting groove 621 of the other supporting component 6 is rotatably connected with the second limiting convex ring 232.

The filter screen 21 is rotatably connected in the housing 1 through the first connecting plate 22 and the second connecting plate 23, and the rotation track of the filter screen 21 is limited through the matching connection of the first limiting convex ring 222 and the second limiting convex ring 232 with the limiting groove 621, so that the filter screen 21 moves along a fixed track, and derailment is prevented. Meanwhile, the second limiting convex ring 232 and the first limiting convex ring 222 are arranged in a reverse direction, so that the first liquid outlet 212 is communicated with the sewage outlet 13, the cleaned sewage is directly discharged from the sewage outlet 13, and the sewage is prevented from being discharged from the water outlet 12.

The filter screen 21 is supported by the support assembly 6 and provides a track for the rotation of the filter screen 21. Simultaneously two go-between 62 are connected with first connecting plate 22 and second connecting plate 23 cooperation respectively, with casing 1 inside be divided into in, three chamber down, the stoste that water inlet 11 got into can only get into filter screen 21 through inlet 211 and filter in, the cleaning solution can only flow out through second liquid outlet 213 via delivery port 12, and sewage can only discharge via drain 13 through first liquid outlet 212, therefore the liquid in the three cavity can not obscure, avoids polluting the cleaning solution.

Optionally, the present embodiment further includes a first detecting component 7, a second detecting component 8 and a control box 9. The first detection assembly 7 is arranged at the water inlet 11; the second detection component 8 is arranged at the water outlet 12; the control box 9 is in communication connection with the first detection assembly 7 and the second detection assembly 8, and the control box 9 is suitable for receiving detection results of the first detection assembly 7 and the second detection assembly 8 and controlling the filter to be switched between the filtering state and the cleaning state according to the detection results. Specifically, a water inlet pipeline is arranged at the water inlet 11, a water outlet pipeline is arranged at the water outlet 12, the first detection component 7 is arranged on the water inlet pipeline, and the second detection component 8 is arranged on the water outlet pipeline. The first detection assembly 7 and the second detection assembly 8 can be a pressure gauge or a flow meter, when the difference value between the measurement values of the first detection assembly 7 and the second detection assembly 8 reaches a preset value, the filter stops the filtering operation and starts the cleaning operation, and when the difference value is smaller than the preset value, the filter continues the filtering operation.

Optionally, the present embodiment further includes a blowdown pipe disposed at the bottom of the housing 1 and communicated with the first liquid outlet 212.

Optionally, a first switch is arranged on the water inlet pipeline, a second switch is arranged on the water outlet pipeline, a third switch is arranged on the sewage discharge pipeline, a fourth switch is arranged on the fluid pump, and the first switch, the second switch, the third switch and the fourth switch are all in communication connection with the control box 9.

The communication connection herein may be a bluetooth connection, a WIFI connection, or a wire connection, etc.

The working principle is as follows:

when the filter normally filters, control box 9 control first switch with the second switch is opened, first determine module 7 with second determine module 8 detects the inlet channel with outlet conduit's pressure, treat filterable stoste is followed the inlet channel via in the inlet 211 of filter screen 21 gets into filter screen 21, drive assembly 3 drives filter screen 21 rotates, and then the stoste is followed filter screen 21 rotates, and at the pivoted in-process, impurity in the stoste stops on the filter screen 21, the cleaning solution after the filtration is followed second liquid outlet 213 via on the filter screen 21 delivery port 12 discharges.

When the pressure difference value detected by the first detection assembly 7 and the second detection assembly 8 reaches a preset value, the filter screen 21 stops filtering and self-cleaning, the control box 9 controls the first switch and the second switch to be closed and controls the third switch and the fourth switch to be opened, the fluid pump provides cleaning agent for the pipeline 42, the cleaning agent is sprayed to the filter screen 21 through the nozzle 41, the driving assembly 3 continues to drive the filter screen 21 to rotate, then the cleaning solution dissolves or washes away impurities on the filter screen 21, and the cleaned sewage is discharged from the first liquid outlet 212 of the filter screen 21 through the sewage discharge pipeline. And when cleaning operation is performed each time, the amount of cleaning liquid is certain, after cleaning is completed, the first switch and the second switch are opened, stock solution is introduced, if the measurement difference value of the first detection assembly 7 and the second detection assembly 8 is lower than a preset value, cleaning is completed, filtering operation is performed, and if not, cleaning is performed for the second time.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A filter, comprising:

the shell (1) comprises a water inlet (11), a water outlet (12) and a sewage draining exit (13);

the filter assembly (2) comprises a filter screen (21) which is rotatably connected inside the shell (1), the filter screen (21) is cylindrical, one end of the filter screen (21) is provided with a liquid inlet (211) communicated with the water inlet (11), the other end of the filter screen is provided with a first liquid outlet (212) communicated with the sewage outlet (13), and the periphery of the filter screen (21) is provided with a plurality of second liquid outlets (213) communicated with the water outlet (12);

the driving assembly (3) is connected to the shell (1), and the power output end of the driving assembly is connected with the filter screen (21);

the cleaning assembly (4) comprises a plurality of nozzles (41) arranged in the shell (1), and the filter screen (21) is arranged on the spraying paths of the nozzles (41);

wherein, the filter has the filtration state of closing the sewage draining exit (13) and the nozzle (41), opening the water outlet (12), the driving component (3) and the water inlet (11), and the cleaning state of opening the sewage draining exit (13), the nozzle (41) and the driving component (3), closing the water outlet (12) and the water inlet (11).

2. The filter according to claim 1, wherein the washing assembly (4) further comprises:

a fluid pump;

and one end of the pipeline (42) is communicated with the liquid outlet end of the fluid pump, the other end of the pipeline (42) extends into the shell (1) along the axial direction of the filter screen (21) and is positioned outside the filter screen (21), and the plurality of nozzles (41) are distributed on the pipeline (42) at intervals and are communicated with the pipeline (42).

3. A filter according to claim 2, further comprising a plurality of flow guide assemblies (5) connected to the nozzles (41) at an end facing away from the duct (42), and wherein each nozzle (41) is fitted with a set of flow guide assemblies (5) for controlling the spray angle of the nozzle (41).

4. A filter according to claim 3, wherein the flow guide assembly (5) comprises:

the first fan blade (51) is connected to the upper side of the nozzle (41) in a rotatable mode, and a first connecting hole (511) and a second connecting hole (512) are formed in the first fan blade (51) at intervals;

one end of the second fan blade (52) is rotatably connected to the lower side of the nozzle (41), a third connecting hole (521), a fourth connecting hole (522) and a fifth connecting hole (523) are arranged on the second fan blade (52) at intervals, the first connecting hole (511) and the third connecting hole (521) are correspondingly arranged, the second connecting hole (512) and the fourth connecting hole (522) are correspondingly arranged, and the fifth connecting hole (523) is arranged close to the third connecting hole (521);

one end of the pull rope (53) is fixedly connected to the first connecting hole (511), and the other end of the pull rope is sequentially movably arranged on the handle (54) after passing through the second connecting hole (512), the fourth connecting hole (522), the third connecting hole (521) and the fifth connecting hole (523);

and one end of the elastic piece (55) is connected to the first fan blade (51) at one nozzle (41), and the other end of the elastic piece is connected to the second fan blade (52) at the adjacent nozzle (41).

5. The filter of claim 4, further comprising a pair of extension rods (56) spaced apart from each other on the duct (42) and located at upper and lower ends of the flow guide assembly (5), wherein the elastic member (55) is connected between the extension rod (56) located at the top and the first fan blade (51) located at the top, and the elastic member (55) is connected between the extension rod (56) located at the bottom and the second fan blade (52) located at the bottom.

6. A filter according to any of claims 1-5, characterised in that the filter screen (21) is provided with recesses (214) and/or protrusions (215) on its periphery adapted to increase the surface area.

7. A filter according to claim 6, wherein the filter screen (21) is provided with the concave portion (214) and the convex portion (215) at intervals, the concave portion (214) extends along the axial direction of the filter screen (21) and is formed by being depressed towards the inside of the filter screen (21); the convex portion (215) extends in the axial direction of the filter screen (21) and is formed to be arched toward the outside of the filter screen (21).

8. A filter according to any one of claims 1-5, 7, further comprising a pair of support members (6) attached to the inner wall of the housing (1) at spaced intervals along the axial direction of the housing (1); the pair of supporting components (6) are respectively and rotatably connected with two ends of the filtering component (2).

9. A filter according to claim 8, wherein the filter assembly (2) further comprises a first connecting plate (22) and a second connecting plate (23) connected to the two ends of the filter screen (21), respectively; a first through hole (221) communicated with the liquid inlet (211) is formed in the first connecting plate (22), a first limiting convex ring (222) is further arranged on the first connecting plate (22), and the first limiting convex ring (222) extends along the circumferential side of the first connecting plate (22) to the direction close to the other end of the filter screen (21); a second through hole (231) communicated with the first liquid outlet (212) is formed in the second connecting plate (23), a second limiting convex ring (232) is further arranged on the second connecting plate (23), and the second limiting convex ring (232) extends along the circumferential side of the second connecting plate (23) to the direction close to the first connecting plate (22);

the supporting assembly (6) comprises a fixing ring (61) and a connecting ring (62), the outer ring of the fixing ring (61) is connected to the inner wall of the shell (1), and the inner ring of the fixing ring is provided with a mounting part; the connecting ring (62) is detachably connected to the mounting part, and a circular limiting groove (621) is formed in the connecting ring (62);

wherein, the limiting groove (621) of one of the supporting components (6) is rotatably connected with the first limiting convex ring (222), and the limiting groove (621) of the other supporting component (6) is rotatably connected with the second limiting convex ring (232).

10. The filter of any one of claims 1-5, 7, and 9, further comprising:

a first detection assembly (7) arranged at the water inlet (11);

a second detection assembly (8) disposed at the water outlet (12);

the control box (9) is in communication connection with the first detection assembly (7) and the second detection assembly (8), and the control box (9) is suitable for receiving detection results of the first detection assembly (7) and the second detection assembly (8) and controlling the filter to be switched between the filtering state and the cleaning state according to the detection results.

Images