Novel backwashing filter element

Abstract

The utility model discloses a novel backwashing filter element, which relates to the technical field of filters and comprises a shell, the bottom end of the shell is connected with a base, the top end of the shell is provided with a cleaning unit, and the outer surface of the shell is connected with a water inlet pipe and a water outlet pipe. According to the filter element, the inner surface and the outer surface of the filter cartridge can be synchronously cleaned and scraped through cooperation of the driving motor, the supporting block, the multiple outer scraping rods and the multiple inner scraping rods, all-directional cleaning of the filter element is achieved, the cleaning effect is improved, the maintenance difficulty is reduced, and through cooperation of the filter cartridge, the mounting block, the movable disc, the connecting disc and the mounting groove, the service life of the filter element is prolonged. The mounting blocks can be clamped with the adjusting grooves and the positioning holes, so that the filter cartridge and the seat body can be quickly disassembled and assembled, the filter cartridge can be conveniently replaced and maintained, and the filtering effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of filters, in particular to a novel backwash filter element. Background Art

[0002] A filter can filter water, and the filter element of a backwash filter can wash the impurities and dirt in the filter element through water to clean the filter element of the filter. For example, a Chinese patent discloses a backwash structure for a filter element of a filter (publication number CN217449205U). Although this structure can scrape the impurities in the filter element through a scraper, since impurities and dirt will exist on both the inner and outer surfaces of the filter element during the filtering process, it is difficult to ensure the cleaning effect of the filter element only by scraping and cleaning the outer surface of the filter element, increasing the difficulty of maintaining and cleaning the filter element. Summary of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a novel backwash filter element, which solves the problems put forward in the above background art.

[0004] To achieve the above object, the utility model is realized through the following technical solutions: A novel backwash filter element includes a housing, a base is connected to the bottom end of the housing, a cleaning unit is arranged at the top end of the housing, and a water inlet pipe and a water outlet pipe are connected to the outer surface of the housing;

[0005] The cleaning unit includes a cover body, a driving motor is connected to the top surface of the cover body, a support block is connected to the driving end of the driving motor, a plurality of outer scraping rods are annularly connected to the bottom surface of the support block, and a filter cylinder is arranged on the inner side wall of the support block and located inside the plurality of outer scraping rods.

[0006] As a further technical solution of the utility model, the base includes a seat body, an installation seat is arranged on the top surface of the seat body, a movable disk is connected to the upper surface of the installation seat, a connection disk is arranged on the upper surface of the base, and a plurality of inner scraping rods are connected to the inner side wall of the installation seat and located between the movable disk and the connection disk.

[0007] As a further technical solution of the utility model, a chute is opened at the corresponding position of the upper surface of the installation seat and the sliding path of the plurality of inner scraping rods, and a plurality of groups of limiting frames are annularly connected to the outer side of the movable disk on the upper surface of the installation seat.

[0008] As a further technical solution of the utility model, limiting pieces are arranged at the bottom ends of the plurality of outer scraping rods, limiting grooves are opened at the corresponding positions of the inner side walls of the plurality of limiting frames and the sliding paths of the limiting pieces, two installation blocks are annularly connected to the bottom surface of the filter cylinder, and positioning pins are arranged at the bottom surfaces of the two installation blocks.

[0009] As a further technical solution of the present utility model, mounting grooves are provided at corresponding positions on the inner side wall of the connection disk and the sliding paths of the two mounting blocks. An activity groove is correspondingly provided on the top surface of the connection disk and the filter cartridge. Adjusting grooves are provided at corresponding positions on the inner side wall of the activity groove and the sliding paths of the mounting blocks. Two groups of positioning holes are annularly provided at corresponding positions on the top surface of the activity disk and the sliding paths of the mounting blocks.

[0010] As a further technical solution of the present utility model, the rotation paths of the plurality of outer scraping rods and inner scraping rods respectively match the outer diameter and inner diameter dimensions of the filter cartridge. The plurality of inner scraping rods are connected to the mounting seat through sliding grooves. The filter cartridge is connected to the seat body through the connection disk and the activity disk.

[0011] As a further technical solution of the present utility model, the inner diameter dimension of the activity groove matches the outer diameter dimension of the filter cartridge. The inner diameter dimension of the mounting groove matches the sliding path of the mounting block. The inner diameter dimension of the adjusting groove matches the rotation path of the mounting block. The inner diameter dimension of the limiting groove matches the sliding path of the limiting piece.

[0012] The present utility model provides a new type of backwashing filter element, which has the following beneficial effects compared with the prior art:

[0013] 1. For the new type of backwashing filter element designed in this way, through the cooperation between the driving motor, the support block, and the plurality of outer scraping rods and inner scraping rods, the inner and outer surfaces of the filter cartridge can be synchronously cleaned and scraped, achieving all-round cleaning of the filter element, improving the cleaning effect, and reducing the maintenance difficulty.

[0014] For the new type of backwashing filter element designed in this way, through the cooperation between the filter cartridge, the mounting block, the activity disk, the connection disk, and the mounting groove, the engagement of the mounting block with the adjusting groove and the positioning hole is convenient for the quick disassembly and assembly between the filter cartridge and the seat body, thus facilitating the replacement and maintenance of the filter cartridge and improving the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a new type of backwashing filter element;

[0016] Figure 2 is a left view of a new type of backwashing filter element;

[0017] Figure 3 is a Figure 2 A - A cross-sectional view of a new type of backwashing filter element;

[0018] Figure 4 is an exploded structural diagram of a new type of backwashing filter element;

[0019] Figure 5 is aFigure 4 An enlarged view of A in

[0020] In the figure: 1. Outer shell; 2. Base; 21. Base body; 22. Mounting seat; 23. Slide groove; 24. Limiting frame; 25. Movable disc; 26. Connecting disc; 27. Movable groove; 28. Inner scraping rod; 29. Mounting groove; 201. Adjusting groove; 202. Positioning hole; 203. Limiting groove; 3. Cleaning unit; 31. Cover body; 32. Driving motor; 33. Support block; 34. Outer scraping rod; 35. Filter cartridge; 36. Limiting piece; 37. Mounting block; 4. Water inlet pipe; 5. Water outlet pipe. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution for a new type of backwashing filter element: including an outer shell 1, a base 2 is connected to the bottom end of the outer shell 1, a cleaning unit 3 is arranged at the top end of the outer shell 1, a water inlet pipe 4 and a water outlet pipe 5 are connected to the outer surface of the outer shell 1, the cleaning unit 3 includes a cover body 31, a driving motor 32 is connected to the top surface of the cover body 31, a support block 33 is connected to the driving end of the driving motor 32, a plurality of outer scraping rods 34 are annularly connected to the bottom surface of the support block 33, and a filter cartridge 35 is arranged on the inner side wall of the support block 33 and located inside the plurality of outer scraping rods 34.

[0023] As Figures 4-5 shown, the base 2 includes a base body 21, a mounting seat 22 is arranged on the top surface of the base body 21, a movable disc 25 is connected to the upper surface of the mounting seat 22, a connecting disc 26 is arranged on the upper surface of the base 2, a plurality of inner scraping rods 28 are connected to the inner side wall of the mounting seat 22 and located between the movable disc 25 and the connecting disc 26, a slide groove 23 is opened at the corresponding position of the upper surface of the mounting seat 22 and the sliding path of the plurality of inner scraping rods 28, a plurality of groups of limiting frames 24 are annularly connected to the outer side of the movable disc 25 on the upper surface of the mounting seat 22, the rotation paths of the plurality of outer scraping rods 34 and the inner scraping rods 28 respectively match the outer diameter and inner diameter dimensions of the filter cartridge 35, the plurality of inner scraping rods 28 are connected to the mounting seat 22 through the slide groove 23, and the filter cartridge 35 is connected to the base body 21 through the connecting disc 26 and the movable disc 25. It should be noted that the driving motor 32 can drive the plurality of outer scraping rods 34 and the inner scraping rods 28 to rotate along the inner and outer surfaces of the filter cartridge 35 through the cover body 31 and the support block 33, and clean the inner and outer surfaces of the filter cartridge 35 at the same time, improving the cleaning effect.

[0024] As Figures 1-4 shown, limit pieces 36 are provided at the bottom ends of multiple outer scraping rods 34, limit grooves 203 are formed at the corresponding positions of the inner side walls of multiple limit frames 24 corresponding to the sliding paths of the limit pieces 36, two mounting blocks 37 are annularly connected to the bottom surface of the filter cartridge 35, positioning pins are provided at the bottom surfaces of the two mounting blocks 37, mounting grooves 29 are formed at the corresponding positions of the inner side wall of the connecting disc 26 corresponding to the sliding paths of the two mounting blocks 37, an activity groove 27 is correspondingly formed on the top surface of the connecting disc 26 and the filter cartridge 35, adjusting grooves 201 are formed at the corresponding positions of the inner side wall of the activity groove 27 corresponding to the sliding paths of the mounting blocks 37, two groups of positioning holes 202 are annularly formed at the corresponding positions of the top surface of the activity disc 25 and the sliding paths of the mounting blocks 37, the inner diameter dimension of the activity groove 27 is adapted to the outer diameter dimension of the filter cartridge 35, the inner diameter dimension of the mounting groove 29 is adapted to the sliding path of the mounting block 37, the inner diameter dimension of the adjusting groove 201 is adapted to the rotation path of the mounting block 37, and the inner diameter dimension of the limit groove 203 is adapted to the sliding path of the limit piece 36. It should be noted that the filter cartridge 35 can be conveniently disassembled and assembled through the cooperation of the mounting block 37, the mounting groove 29 and the positioning hole 202, so as to facilitate the replacement of the filter cartridge 35. Since the filter cartridge 35 is connected to the seat body 21 through the activity disc 25 and the connecting disc 26, when the multiple inner scraping rods 28 and the outer scraping rods 34 rotate, the filter cartridge 35 is in a static state.

[0025] The working principle of the present utility model is as follows: Rotate the filter cartridge 35 counterclockwise along between the activity disc 25 and the connecting disc 26, so that the mounting block 37 is separated from the positioning hole 202 and rotates along the adjusting groove 201 to the mounting groove 29, and then lift the filter cartridge 35 upward so that the bottom of the filter cartridge 35 is separated from the activity groove 27, and the filter cartridge 35 can be replaced;

[0026] Start the driving motor 32, the support block 33 and the multiple outer scraping rods 34 rotate synchronously, drive the multiple inner scraping rods 28 to slide along the sliding groove 23, so that the multiple outer scraping rods 34 and the inner scraping rods 28 rotate along the inner and outer surfaces of the filter cartridge 35 respectively to scrape off dirt and impurities, and pour water through the water inlet pipe 4, close the water outlet pipe 5, open the valve of the base 2, and flush out the dirt to realize the cleaning of the filter element.

[0027] The above is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, without special explanation and limitation, are implemented according to the conventional means in the art.

Claims

1. A new type of backwash filter element, characterized in that: It comprises a housing (1), wherein the bottom end of the housing (1) is connected to a base (2), the top end of the housing (1) is provided with a cleaning unit (3), and the outer surface of the housing (1) is connected to a water inlet pipe (4) and a water outlet pipe (5); The cleaning unit (3) comprises a cover body (31), the top surface of the cover body (31) is connected to a driving motor (32), the driving end of the driving motor (32) is connected to a supporting block (33), the bottom surface of the supporting block (33) is connected to a plurality of external scraping rods (34) in a ring shape, and a filter cartridge (35) is provided on the bottom surface of the supporting block (33) and on the inner side wall of the plurality of external scraping rods (34).

2. A novel backwash filter element according to claim 1, characterized in that: The base (2) comprises a base body (21), a mounting seat (22) is arranged on the top surface of the base body (21), a movable disk (25) is connected to the upper surface of the mounting seat (22), a connecting disk (26) is arranged on the upper surface of the base (2), and a plurality of inner scraping rods (28) are connected to the upper surface of the mounting seat (22) and to the inner side walls of the movable disk (25) and the connecting disk (26).

3. A novel backwash filter element according to claim 2, characterized in that: A sliding groove (23) is provided on the upper surface of the mounting seat (22) at a position corresponding to the sliding path of the plurality of inner scraper rods (28), and a plurality of groups of limit frames (24) are connected in an annular manner to the upper surface of the mounting seat (22) and located outside the movable plate (25).

4. A novel backwash filter element according to claim 3, characterized in that: The bottom ends of the plurality of outer scraper rods (34) are each provided with a limiting plate (36), the inner side walls of the plurality of limiting frames (24) are each provided with a limiting groove (203) at a position corresponding to the sliding path of the limiting plate (36), the bottom surface of the filter cartridge (35) is annularly connected to two mounting blocks (37), and the bottom surfaces of the two mounting blocks (37) are each provided with a positioning pin.

5. A novel backwash filter element according to claim 4, characterized in that: The inner side wall of the connection plate (26) and the corresponding positions of the sliding paths of the two mounting blocks (37) are provided with mounting grooves (29); the top surface of the connection plate (26) and the corresponding positions of the filter cartridge (35) are provided with movable grooves (27); the inner side wall of the movable groove (27) and the corresponding positions of the sliding paths of the mounting blocks (37) are provided with adjustment grooves (201); and the top surface of the movable plate (25) and the corresponding positions of the sliding paths of the mounting blocks (37) are provided with two groups of positioning holes (202) in a ring shape.

6. A novel backwash filter element according to claim 2, characterized in that: The rotation paths of the plurality of outer scraper rods (34) and the inner scraper rods (28) are respectively adapted to the outer diameter and inner diameter of the filter cartridge (35); the plurality of inner scraper rods (28) are connected to the mounting seat (22) via the slide groove (23); and the filter cartridge (35) is connected to the seat body (21) via the connecting plate (26) and the movable plate (25).

7. A novel backwash filter element according to claim 5, characterized in that: The inner diameter of the movable groove (27) is compatible with the outer diameter of the filter cartridge (35), the inner diameter of the mounting groove (29) is compatible with the sliding path of the mounting block (37), the inner diameter of the adjustment groove (201) is compatible with the rotation path of the mounting block (37), and the inner diameter of the limiting groove (203) is compatible with the sliding path of the limiting plate (36).

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