Self-cleaning filter

Abstract

The utility model relates to the field of filters, and discloses a self-cleaning filter which comprises a filter body, a semicircular groove is formed in the outer wall of the filter body, a sealing cover is clamped in the semicircular groove in a sealing mode, and a rotating handle is rotatably connected to the top of the sealing cover in a penetrating mode. The bottom end of the rotating handle extends into the filter body and is fixedly sleeved with a filtering disc, clamping blocks are fixedly connected to the inner walls of the two opposite sides of the semicircular groove, two rectangular grooves are formed in the bottom of the sealing cover, and the two rectangular grooves are connected with the two clamping blocks in a clamped mode respectively. After the filter disc is driven by the rotating handle to rotate by 90 degrees, residues and stains on the surface of the filter disc can be washed away by using rapid flow of clear water, so that the effect of automatically cleaning the filter disc is achieved, after the two cross rods are pulled out, the sealing cover can be detached to clean the inner wall of the filter body, and the clamping block and the plurality of sealing rings play a sealing role.

Description

Technical Field

[0001] The utility model relates to the field of filters, in particular to a self-cleaning filter. Background Technique

[0002] A filter is an indispensable device on the pipeline for conveying media. It is usually installed at the inlet end of pressure reducing valves, pressure relief valves, constant water level valves, and other equipment. The filter consists of a cylinder body, a stainless steel filter screen, a sewage discharge part, a transmission device, and an electrical control part. After the water to be treated passes through the filter cylinder of the filter screen, its impurities are blocked. When cleaning is required, as long as the detachable filter cylinder is taken out, and reinstalled after treatment. Therefore, it is extremely convenient to use and maintain.

[0003] The utility model with the authorization announcement number of CN216604299U discloses a filter capable of self-cleaning filter residues, including a filter housing. Both sides of the surface of the filter housing are fixedly provided with connecting flanges. A liquid inlet groove is opened in the middle of the surface of the left connecting flange, and a liquid outlet groove is opened in the middle of the outer surface of the right connecting flange. A filter element is fixedly provided on one side of the filter housing close to the liquid inlet groove. A first valve is fixedly provided on the side of the filter element away from the liquid inlet groove. A slag discharge pipe is fixedly provided on the side of the first valve away from the filter element. The slag discharge pipe passes through the filter housing and extends to the lower end of the filter housing. The filter housing and the slag discharge pipe are hermetically connected. A cleaning mechanism is arranged around the filter element on the inner side wall of the filter housing. The utility model has good use effect, can conveniently clean and discharge the residues filtered inside the filter element, and can complete the cleaning and slag discharge operations without opening the filter housing.

[0004] Only cleaning the filter element but not the filter body in the above-mentioned utility model patent will cause a large amount of residues and stains to remain on the inner wall of the filter body. If there are corrosive substances in the residues and stains, it is extremely easy to accelerate the aging speed of the filter. Therefore, those skilled in the art provide a self-cleaning filter to solve the problems raised in the above background technique. Content of the Utility Model

[0005] The purpose of the utility model is to provide a self-cleaning filter to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: A self-cleaning filter, comprising a filter body, a semi-circular groove is opened on the outer wall of the filter body, a sealing cover is hermetically clamped in the semi-circular groove, a rotating handle is rotatably connected through the top of the sealing cover, the bottom end of the rotating handle extends into the filter body and is fixedly sleeved with a filter disc, clamping blocks are fixedly connected to the inner walls of the two opposite sides of the semi-circular groove, two rectangular grooves are opened at the bottom of the sealing cover, and the two rectangular grooves are respectively clamped with the two clamping blocks. A fixing component for stable connection is arranged on the sealing cover, and a rectangular sealing gasket is closely attached to the top of the sealing cover.

[0007] As a further scheme of the present utility model: The fixing component includes a plurality of cross holes opened on the top of the sealing cover, the rectangular sealing gasket and the clamping blocks, and the cross holes on the sealing cover are communicated with the rectangular grooves. The same cross rod is inserted through the plurality of cross holes on the same side.

[0008] As a further scheme of the present utility model: The bottom end of the rotating handle penetrates through the rectangular sealing gasket and extends into the filter body.

[0009] As a further scheme of the present utility model: The rectangular sealing gasket sleeves the cross rod, and semi-circular blocks are fixedly connected to the top ends of the two cross rods, and the bottom of the semi-circular block is attached to the top of the rectangular sealing gasket.

[0010] As a further scheme of the present utility model: A semi-circular groove sealing gasket is attached to the bottom inner wall of the semi-circular groove, the top of the semi-circular groove sealing gasket is attached to the bottom of the sealing cover, rectangular holes are opened on the two opposite sides of the semi-circular groove sealing gasket, and the two rectangular holes respectively penetrate through the two clamping blocks.

[0011] As a further scheme of the present utility model: The semi-circular groove and the sealing cover are both semi-circular, and sealing rings are closely attached to the openings on both sides of the filter body.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. The sealing rings installed on both sides of the filter body are used to seal the connection between the filter body and the pipeline. When a large amount of rapid-flowing clear water passes through the filter body, the filter disc can be driven to rotate by 90 degrees through the rotating handle. At this time, the rapid-flowing clear water will wash the surface of the filter disc to wash away residues and stains, thus achieving the effect of automatic cleaning of the filter disc. When the two cross bars are pulled out, the fixation of the sealing cover, rectangular sealing gasket, and cross holes on the clamping block will be released after the two cross bars are pulled out. At this time, the sealing cover can be taken out from the semi-circular groove. When the sealing cover is picked up, the sealing cover, rotating handle, rectangular sealing gasket, and filter disc will be picked up at the same time. At this time, the staff can clean the inner wall of the entire filter body. The semi-circular groove sealing gasket installed in the semi-circular groove is used to seal the gap at the connection between the sealing cover and the semi-circular groove. And the sealing cover is installed by being clamped with two clamping blocks in the two rectangular grooves in the semi-circular groove. The top of the rectangular sealing gasket wraps the two cross bars to play a sealing role.

[0014] The utility model is simple to use. After the filter disc is driven to rotate by 90 degrees through the rotating handle, rapid-flowing clear water can be used to wash away the residues and stains on the surface of the filter disc, thus achieving the effect of automatic cleaning of the filter disc. After the two cross bars are pulled out, the sealing cover can be removed to clean the inner wall of the filter body, and both the clamping block and multiple sealing rings play a sealing role. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 is a partial cross-sectional schematic diagram of the utility model;

[0017] Figure 3 is an exploded three-dimensional schematic diagram of the utility model;

[0018] Figure 4 is a three-dimensional schematic diagram of the sealing cover of the utility model.

[0019] In the figure: 1. Filter body; 2. Sealing ring; 3. Semi-circular groove; 4. Sealing cover; 5. Rotating handle; 6. Rectangular sealing gasket; 7. Cross bar; 8. Cross hole; 9. Rectangular groove; 10. Filter disc; 11. Semi-circular groove sealing gasket; 12. Rectangular hole; 13. Clamping block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer toFigures 1 to 4 , in the embodiment of the present utility model, a filter capable of self-cleaning includes a filter body 1. A semi-circular groove 3 is formed on the outer wall of the filter body 1. A sealing cover 4 is hermetically clamped in the semi-circular groove 3. A rotating handle 5 is rotatably connected through the top of the sealing cover 4. The bottom end of the rotating handle 5 extends into the filter body 1 and is fixedly sleeved with a filter disc 10. When a large amount of rapid-flowing clear water enters the filter body 1, the rotating handle 5 can drive the filter disc 10 to rotate by 90 degrees. At this time, the rapid-flowing clear water will wash the surface of the filter disc 10 to wash away residues and stains, thereby achieving the effect of automatically cleaning the filter disc 10. On both opposite inner walls of the semi-circular groove 3, clamping blocks 13 are fixedly connected. Two rectangular grooves 9 are formed at the bottom of the sealing cover 4. The two rectangular grooves 9 are respectively clamped with the two clamping blocks 13. The sealing cover 4 is installed by clamping the two rectangular grooves 9 with the two clamping blocks 13 in the semi-circular groove 3. A fixing component for stable connection is arranged on the sealing cover 4. A rectangular sealing gasket 6 is closely attached to the top of the sealing cover 4.

[0022] In this embodiment, the fixing component includes a plurality of cross holes 8 formed at the tops of the sealing cover 4, the rectangular sealing gasket 6, and the clamping blocks 13. The cross holes 8 on the sealing cover 4 are communicated with the rectangular grooves 9. The same cross bar 7 is inserted through the plurality of cross holes 8 on the same side. When the two cross bars 7 are pulled out, the fixing of the cross holes 8 on the sealing cover 4, the rectangular sealing gasket 6, and the clamping blocks 13 will be released after the two cross bars 7 are pulled out. At this time, the sealing cover 4 can be taken out of the semi-circular groove 3. When the sealing cover 4 is picked up, the sealing cover 4, the rotating handle 5, the rectangular sealing gasket 6, and the filter disc 10 will be picked up at the same time. At this time, the staff can clean the inner wall of the entire filter body 1.

[0023] In this embodiment, the bottom end of the rotating handle 5 penetrates through the rectangular sealing gasket 6 and extends into the filter body 1.

[0024] In this embodiment, the rectangular sealing gasket 6 sleeves the cross bar 7. The top ends of the two cross bars 7 are fixedly connected with semi-circular blocks, and the bottom of the semi-circular block is attached to the top of the rectangular sealing gasket 6.

[0025] In this embodiment, a semi-circular groove sealing gasket 11 is attached to the bottom inner wall of the semi-circular groove 3. The top of the semi-circular groove sealing gasket 11 is attached to the bottom of the sealing cover 4. Rectangular holes 12 are formed on both opposite sides of the semi-circular groove sealing gasket 11. The two rectangular holes 12 respectively penetrate through the two clamping blocks 13. The semi-circular groove sealing gasket 11 installed in the semi-circular groove 3 is used to seal the gap at the connection between the sealing cover 4 and the semi-circular groove 3.

[0026] In this embodiment, both the semi-circular groove 3 and the sealing cover 4 are semi-circular. Sealing rings 2 are closely attached to both openings of the filter body 1. The sealing rings 2 installed on both sides of the filter body 1 are used to seal the connection between the filter body 1 and the pipeline.

[0027] The working principle of the present utility model is as follows: The sealing rings 2 installed on both sides of the filter body 1 are used to seal the connection between the filter body 1 and the pipeline. When a large amount of rapid-flowing clear water passes through the filter body 1, the filter disc 10 can be driven to rotate by 90 degrees through the rotating handle 5. At this time, the rapid-flowing clear water will wash the surface of the filter disc 10 to wash away residues and stains, thus achieving the effect of automatic cleaning of the filter disc 10. When the two cross bars 7 are pulled out, the fixation of the sealing cover 4, the rectangular sealing gasket 6, and the cross holes 8 on the clamping block 13 will be released after the two cross bars 7 are pulled out. At this time, the sealing cover 4 can be taken out from the semi-circular groove 3. When the sealing cover 4 is picked up, the sealing cover 4, the rotating handle 5, the rectangular sealing gasket 6, and the filter disc 10 will be picked up at the same time. At this time, the staff can clean the inner wall of the entire filter body 1. The semi-circular groove sealing gasket 11 installed in the semi-circular groove 3 is used to seal the gap at the connection between the sealing cover 4 and the semi-circular groove 3. And the sealing cover 4 is installed after being clamped with the two clamping blocks 13 in the semi-circular groove 3 through the two rectangular grooves 9. The top of the rectangular sealing gasket 6 wraps the two cross bars 7 to play a sealing role.

[0028] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A self-cleaning filter, comprising a filter body (1), characterized in that: A semicircular groove (3) is provided on the outer wall of the filter body (1), a sealing cover (4) is sealed and clamped in the semicircular groove (3), a rotating handle (5) is rotatably connected to the top of the sealing cover (4), the bottom end of the rotating handle (5) extends into the filter body (1) and is fixedly sleeved with a filter disc (10), clamping blocks (13) are fixedly connected to the inner walls on both sides of the semicircular groove (3), two rectangular grooves (9) are provided at the bottom of the sealing cover (4), the two rectangular grooves (9) are respectively clamped with the two clamping blocks (13), a fixing component for stable connection is provided on the sealing cover (4), and a rectangular sealing gasket (6) is tightly fitted on the top of the sealing cover (4).

2. A self-cleaning filter according to claim 1, characterized in that: The fixing assembly comprises a plurality of cross holes (8) formed on the sealing cover (4), the rectangular sealing gasket (6) and the top of the clamping block (13), wherein the cross hole (8) on the sealing cover (4) is connected to the rectangular groove (9), and a same cross rod (7) is inserted through each of the plurality of cross holes (8) on the same side.

3. A self-cleaning filter according to claim 1, characterized in that: The bottom end of the rotating handle (5) passes through the rectangular sealing gasket (6) and extends into the filter body (1).

4. A self-cleaning filter according to claim 2, characterized in that: The rectangular sealing gasket (6) sleeves the cross rod (7) therein, and the top ends of the two cross rods (7) are fixedly connected with semicircular blocks, and the bottoms of the semicircular blocks fit with the top of the rectangular sealing gasket (6).

5. A self-cleaning filter according to claim 1, characterized in that: A semicircular groove sealing gasket (11) is fitted on the inner wall of the bottom of the semicircular groove (3), the top of the semicircular groove sealing gasket (11) is fitted on the bottom of the sealing cover (4), and rectangular holes (12) are provided on opposite sides of the semicircular groove sealing gasket (11), and the two rectangular holes (12) are respectively penetrated by two clamping blocks (13).

6. A self-cleaning filter according to claim 1, characterized in that: The semicircular groove (3) and the sealing cover (4) are both semicircular, and the openings on both sides of the filter body (1) are tightly fitted with sealing rings (2).

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