CN215692147U

CN215692147U - Net type self-cleaning filter system

Info

Publication number: CN215692147U
Application number: CN202122323923.9U
Authority: CN
Inventors: 张琛
Original assignee: Fuzhou Alsace Fluid Equipment Technology Co ltd
Current assignee: Fuzhou Alsace Fluid Equipment Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-01
Anticipated expiration: 2031-09-23

Abstract

The utility model belongs to the technical field of water treatment, and particularly relates to a net type self-cleaning filter system which comprises a filter body, wherein a fine filtering net is arranged in the middle of the inside of the filter body, a water inlet end cover is arranged at one end of the filter body, a coarse filtering net is arranged in the water inlet end cover, a sewage end cover is arranged at one end, far away from the water inlet end cover, of the filter body, and a pushing piston body is arranged at the other end of the sewage end cover; because of the reason of pressure difference, make the suction nozzle of suction shaft connection carry out the rotation to filtering the adnexed impurity of secondary filter screen inner wall and adsorb under the cooperation of blowdown carousel, then make absorbent impurity discharge from the blow off pipe port, and the absorbent in-process of suction nozzle, can make rotatory suction nozzle remove the absorption under the cooperation of the inside guide bar of piston body, piston rod and piston piece, can realize full self-cleaning to the filter body through like this, need not the step that people's work unpicked and washed, increase staff's facility.

Description

Net type self-cleaning filter system

Technical Field

The utility model belongs to the technical field of water treatment, and particularly relates to a net type self-cleaning filter system.

Background

China is a country with poor fresh water resources, and the average annual drought-causing area of agriculture reaches 2.3 hundred million acres. The micro-irrigation is used as the most water-saving irrigation technology, the development scale of the micro-irrigation system is enlarged year by year in recent years, the filter is one of core devices of the micro-irrigation system, the filter has the main function of filtering impurities and dirt in irrigation water to enable the water quality to meet the requirements of the micro-irrigation system, but the prior filter adopting manual flushing in China is labor-consuming and cannot bring more convenience to workers.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a net type self-cleaning filter system which has the characteristics of realizing full-automatic cleaning and being free from being disassembled and cleaned by people.

In order to achieve the purpose, the utility model provides the following technical scheme: the net type self-cleaning filter system comprises a filter body, wherein a filtering fine filter net is installed at the position of the inner middle position of the filter body, a water inlet end cover is installed at one end of the filter body, a filtering coarse filter net is installed inside the water inlet end cover, a sewage end cover is installed at one end, far away from the water inlet end cover, of the filter body, an advancing piston body is installed at the other end of the sewage end cover, the advancing piston body is connected with the sewage end cover through a piston nut, a guide rod is installed inside the advancing piston body, a piston rod and a piston sheet are installed on the outer side wall of the guide rod, a sewage discharge rotary disc is installed at the output end of the piston rod, one end, far away from the piston rod, of the sewage discharge rotary disc is rotatably connected with a suction shaft, the other end of the suction shaft penetrates through one end of the sewage end cover and then extends to the inner part of the filtering fine filter net, the suction nozzle is installed to the lateral wall of inhaling the axle, blowdown piston cavity has still been installed to the lateral wall top of filter body, the blowdown piston body has been placed to the inside of blowdown piston cavity, the blow off pipe is installed to the one end of blowdown piston cavity, the water outlet end cover is still installed to one side of blowdown piston cavity, just impel the piston body the blowdown piston body with the blowdown carousel all is connected with external control ware.

In a preferred embodiment of the net type self-cleaning filter system of the present invention, the sewage end cap is detachably connected to the filter body through a second stainless steel clamp, and the water inlet end cap is detachably connected to the filter body through a first stainless steel clamp.

As a preferable technical scheme of the net type self-cleaning filter system, a first nut and a second nut are screwed on the outer side wall of the sewage discharge piston cavity.

In a preferred embodiment of the net type self-cleaning filter system of the present invention, the number of the suction nozzles is four.

As the preferable technical scheme of the net type self-cleaning filter system, the sewage discharge pipe is of a circular arc structure.

As a preferable technical scheme of the net type self-cleaning filter system, an air inlet valve is arranged on the outer side wall of the sewage draining pipe.

As a preferred technical scheme of the net type self-cleaning filter system, the distance between the suction nozzle and the filtering fine filter net is five centimeters.

Compared with the prior art, the utility model has the beneficial effects that: when external control ware detects the inside differential pressure of filter body and reaches the default, make the blow off pipe through the blowdown piston body, the inside of blowdown piston cavity and sewage end cover keeps lining up, because the reason of pressure difference, make the suction nozzle of suction shaft connection carry out rotatory absorption to filtering fine filtration net inner wall adnexed impurity under the cooperation of blowdown carousel, then make absorbent impurity discharge from the blow off pipe port, and the absorbent in-process of suction nozzle, at the inside guide bar of piston body, the cooperation of piston rod and piston piece can make rotatory suction nozzle remove under, through can realize full self-cleaning to filter body like this, need not the step that people's work unpicked and washed, it is convenient to increase the staff.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the filter body according to the present invention;

FIG. 3 is a schematic view of the internal structure of the sewage end cap of the present invention;

FIG. 4 is a side view of the filter body of the present invention;

in the figure: 1. a water inlet end cover; 2. filtering and coarse filtering; 3. filtering and fine filtering net; 4. a first stainless steel clamp; 5. a water outlet end cover; 6. a blowdown piston body; 7. a sewage end cover; 8. a piston nut; 9. advancing the piston body; 10. a guide bar; 11. a piston plate; 12. a pollution discharge turntable; 13. a suction shaft; 14. a suction nozzle; 15. a second stainless steel clamp; 16. a piston rod; 17. a blow-off pipe; 18. a first nut; 19. a blowdown piston cavity; 20. a second nut; 21. an intake valve; 22. a filter body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a net type self-cleaning filter system comprises a filter body 22, a filtering fine filter net 3 is installed at the middle position inside the filter body 22, a water inlet end cover 1 is installed at one end of the filter body 22, a filtering coarse filter net 2 is installed inside the water inlet end cover 1, a sewage end cover 7 is installed at one end, far away from the water inlet end cover 1, of the filter body 22, a pushing piston body 9 is installed at the other end of the sewage end cover 7, the pushing piston body 9 is connected with the sewage end cover 7 through a piston nut 8, a guide rod 10 is installed inside the pushing piston body 9, a piston rod 16 and a piston sheet 11 are installed on the outer side wall of the guide rod 10, a pollution discharge rotary disc 12 is installed at the output end of the piston rod 16, one end, far away from the piston rod 16, of the pollution discharge rotary disc 12 is rotatably connected with a suction shaft 13, and the other end of the suction shaft 13 penetrates through one end of the sewage end cover 7 and then extends into the filtering fine filter net 3, suction nozzle 14 is installed to the lateral wall of inhaling axle 13, and blowdown piston cavity 19 is still installed to the lateral wall top of filter body 22, and blowdown piston body 6 has been placed to the inside of blowdown piston cavity 19, and blow off pipe 17 is installed to the one end of blowdown piston cavity 19, and water outlet end cover 5 is still installed to one side of blowdown piston cavity 19, and impels piston body 9, blowdown piston body 6 and blowdown carousel 12 all to be connected with external control ware.

In this example embodiment, the external controller is connected to the pushing piston body 9, the blow-down piston body 6 and the blow-down turntable 12 through wires, by which the operations of the pushing piston body 9, the blow-down piston body 6 and the blow-down turntable 12 can be controlled.

In this example, when the external controller detects that the internal differential pressure of the filter body 22 reaches a preset value, the inside of the sewage discharge pipe 17, the sewage discharge piston cavity 19 and the sewage end cover 7 is kept through by the sewage discharge piston body 6, due to the pressure difference, the suction nozzle 14 connected with the suction shaft 13 is used for rotatably adsorbing impurities attached to the inner wall of the filtering fine filtering net 3 under the matching of the sewage discharge rotary disc 12, and then the adsorbed impurities are discharged from the port of the sewage discharge pipe 17, and in the process of adsorption of the suction nozzle 14, the rotary suction nozzle 14 can be moved and adsorbed under the matching of the guide rod 10, the piston rod 16 and the piston sheet 11 in the piston body, so that the filter body 22 can be fully automatically cleaned, the step of disassembling and washing by people is not needed, and the convenience of workers is increased.

Specifically, sewage end cover 7 and filter body 22 can be dismantled through second stainless steel clamp 15 and be connected, and the end cover 1 of intaking can be dismantled through first stainless steel clamp 4 with filter body 22 and be connected.

In this embodiment, the second stainless steel clamp 15 can be used to connect the sewage end cap 7 and the filter body 22 tightly, and the first stainless steel clamp 4 can be used to connect the water inlet end cap 1 and the filter body 22 tightly.

Specifically, the outer side wall of the sewage discharging piston cavity 19 is screwed with a first screw cap 18 and a second screw cap 20, and the sewage discharging pipe 17 can be fixed on the sewage discharging piston cavity 19 through the first screw cap 18.

In this embodiment, the end of the sewage piston body 6 can be fixed at the sewage piston cavity 19 by the second nut 20.

Specifically, the number of the suction nozzles 14 is four.

In this embodiment, the number of the suction nozzles 14 is four, and the cleaning area of the filter fine filter 3 can be increased by increasing the number of the suction nozzles 14.

Specifically, the sewage discharge pipe 17 has an arc structure.

In this embodiment, the soil discharge pipe 17 is made to be of a circular arc structure, and thus the soil discharge pipe 17 can be conveniently connected to an external pipe.

Specifically, an air inlet valve 21 is installed on the outer side wall of the sewage draining pipe 17.

In this embodiment, an air inlet valve 21 is installed on the outer side wall of the sewage discharge pipe 17, and the pressure inside the sewage end cover 7 can be adjusted through the air inlet valve 21.

Specifically, the distance between the suction nozzle 14 and the filtering fine filter 3 is five centimeters.

In this embodiment, the distance between the suction nozzle 14 and the filter fine filter 3 is five centimeters, so that friction between the suction nozzle 14 and the filter fine filter 3 during rotation can be avoided.

The working principle and the using process of the utility model are as follows: after the utility model is installed, when a filter body 22 is needed to be used, an external water inlet pipe is connected to a water inlet of a water inlet end cover 1, the water flows out of the interior of a water outlet end cover 5 after being filtered by a filter coarse filter 2 and a filter fine filter 3, when an external controller detects that the internal pressure difference of the filter body 22 reaches a preset value, a sewage discharge piston body 6 is pushed to move, then a sewage discharge pipe 17, a sewage discharge piston cavity 19 and the interior of a sewage end cover 7 are kept communicated, then a suction nozzle 14 connected with a suction shaft 13 is used for carrying out rotary adsorption on impurities attached to the inner wall of the filter fine filter 3 under the matching of a sewage discharge turntable 12 due to the pressure difference, then the adsorbed impurities are discharged from the port of the sewage discharge pipe 17, and in the adsorption process of the suction nozzle 14, the rotary suction nozzle 14 can be used for moving adsorption under the matching of a guide rod 10, a piston rod 16 and a piston sheet 11 in the interior of the piston body, this allows impurities inside the filter body 22 to be removed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The net type self-cleaning filter system is characterized by comprising a filter body (22), a filtering fine filter net (3) is installed at the middle position inside the filter body (22), a water inlet end cover (1) is installed at one end of the filter body (22), a filtering coarse filter net (2) is installed inside the water inlet end cover (1), the filter body (22) is far away from one end of the water inlet end cover (1) and is provided with a sewage end cover (7), a propelling piston body (9) is installed at the other end of the sewage end cover (7), the propelling piston body (9) is connected with the sewage end cover (7) through a piston nut (8), a guide rod (10) is installed inside the propelling piston body (9), and a piston rod (16) and a piston sheet (11) are installed on the outer side wall of the guide rod (10), the output end of the piston rod (16) is provided with a pollution discharge rotary table (12), one end of the pollution discharge rotary table (12) far away from the piston rod (16) is rotatably connected with a suction shaft (13), the other end of the suction shaft (13) penetrates through one end of the sewage end cover (7) and then extends into the filtering fine filter screen (3), the outer side wall of the suction shaft (13) is provided with a suction nozzle (14), a sewage discharge piston cavity (19) is also arranged above the outer side wall of the filter body (22), a sewage discharge piston body (6) is arranged in the sewage discharge piston cavity (19), a sewage discharge pipe (17) is arranged at one end of the sewage discharge piston cavity (19), a water outlet end cover (5) is also arranged at one side of the sewage discharge piston cavity (19), and the pushing piston body (9), the pollution discharge piston body (6) and the pollution discharge rotary disc (12) are all connected with an external controller.

2. A mesh self-cleaning filter system according to claim 1 wherein the waste end cap (7) is removably attached to the filter body (22) by a second stainless steel clip (15) and the inlet end cap (1) is removably attached to the filter body (22) by a first stainless steel clip (4).

3. A mesh self-cleaning filter system according to claim 1 wherein the first nut (18) and the second nut (20) are threaded on the outside wall of the drain piston chamber (19).

4. A mesh self-cleaning filter system according to claim 1, characterized in that the number of suction nozzles (14) is four.

5. A mesh self-cleaning filter system according to claim 1, wherein the drain pipe (17) has a circular arc structure.

6. A mesh self-cleaning filter system according to claim 1, characterized in that the outer side wall of the drain pipe (17) is provided with an air inlet valve (21).

7. A mesh self-cleaning filter system according to claim 1, characterized in that the distance between the suction nozzle (14) and the filter screen (3) is five centimeters.