CN220828927U - Filter device for cleaning filter layer - Google Patents

Abstract

A filter device for cleaning a filter layer. Wheels are arranged at two ends of the frame, the filter layer surrounds the wheels at two ends, the motor is connected with the wheels, the motor is connected with the cleaning component, the cleaning component is aligned with the filter layer, and the filter layer can move along the cleaning component.

Description

Filter device for cleaning filter layer

Technical Field

The present utility model relates to a filter device for cleaning a filter layer.

Background

The filtering device of the existing cleaning filtering layer uses a vibrating motor to vibrate the filtering layer, dust shakes the filtering layer, dust in a region far away from the vibrating motor still can be stained on the filtering layer, and the effect of cleaning the filtering layer is poor. In addition, part of dust flies out, and the dust falls into other areas to cause new pollution. The existing filtering device has gaps among the filtering layers, and dust can bypass the filtering layers. The filter layer of the existing air filter is not provided with a component for cleaning the filter layer, so that dust is accumulated on the filter layer for a long time to cause blockage, and the filtering effect is affected. The circuit portion is poorly waterproof.

Disclosure of utility model

The utility model aims to provide a filter device for cleaning a filter layer.

The utility model adopts the technical scheme that wheels are arranged at two ends of a frame, a filter layer surrounds the wheels at two ends, two ends of the filter layer are arc-shaped, the middle section of the filter layer is linear, a motor is connected with the wheels, the motor is connected with a cleaning component, the cleaning component is aligned with the filter layer, and the filter layer can move along the cleaning component.

Further, the technical scheme is that the filter layer is provided with holes.

Furthermore, the technical scheme is that a hard filter layer is arranged beside the filter layer.

Further, the technical scheme is that the cleaning component is an impeller, a brush, a cleaning belt, a vibrating block or a pump.

Further, the cleaning component is surrounded by a dust blocking net, and the dust blocking net is arc-shaped or flat-plate-shaped or rectangular or polygonal.

Further, the technical scheme is that the shaft is connected with the wheel, the frame is provided with hooks, and the shaft can be connected with the hooks.

Further, the technical scheme is that two ends of the transverse plate are connected with two side frames.

Further, the above technical solution is that a plurality of frames can be hinged to each other.

The utility model adopts the technical scheme that wheels are arranged at two ends of the frame, the belt surrounds the wheels at two ends, the two ends of the belt are arc-shaped, the middle section of the belt is straight, the transverse bar is connected with the belts at two sides, and the filter layer can be connected with the belts.

The utility model adopts the technical scheme that wheels are arranged at two ends of the frame, the filter layer surrounds the wheels at two ends, the two ends of the filter layer are arc-shaped, the middle section of the filter layer is linear, the movable motor is connected with the wheel, a water tank is arranged below the filter layer, the water tank contacts the filter layer, and the filter layer can move along the water tank.

Further, the technical scheme is that the hairbrush is arranged in the water tank, the hairbrush contacts the filter layer, and the filter layer can move along the hairbrush.

The utility model has the beneficial effects that the cleaning component can clean the filter layer, and ensure the smoothness of the filter layer. The filter layer has ultrahigh mesh number and filters visible impurities. If the dust-proof device is used for dust prevention of a window, no visible dust exists in a room, and the defect that the dust on a table top or a table top cannot be cleaned by the sweeping robot is overcome. The utility model is used for filtering air in rooms, particularly rooms using air conditioning. The filter layer collects dust from the air and the dust is collected to the sewage bottle by the cleaning member. The user can directly see the effect of cleaning air, and the promotion of manufacturers is facilitated. The cleaning component of the utility model can select an impeller which rotates at high speed to suck or blow away dust on the filter layer. The cleaning component of the utility model can select a brush which contacts the filter layer to sweep dust on the filter layer. The cleaning member of the present utility model may be a belt, which may be a roll paper or a cloth, and which contacts the filter layer to wipe dust from the filter layer. The cleaning component of the utility model can select a vibration motor to vibrate the filter layers row by row and separate dust on the filter layers. The cleaning element of the utility model may optionally be a pump to suck or blow dust off the filter layer. The cleaning component of the present utility model may be used in water tank to clean dust from the filter layer. The virus or bacteria on the filter layer can also be sterilized by using a sterilizing liquid such as alcohol. The cleaning member of the present utility model is of the contact type, of the non-contact type, and of the gas or liquid type. Other cleaning elements may also be selected. The cleaning element of the utility model is peripherally wrapped around the dust screen. Dust-blocking nets have various shapes. And dust cleaned by the cleaning component is collected, so that the dust is prevented from being scattered in other areas to cause pollution. While preventing dust from falling on other cleaned filter layers, resulting in ineffective cleaning. And dust can be prevented from being scattered on the cleaning component, and the cleaning component causes secondary pollution to the filter layer. The cleaning member of the present utility model may be used in combination according to cleaning of filter layers of different materials. If the brush is combined with the impeller, the brush sweeps away dust on the filter layer, and then the impeller blows away the dust. If the pump is combined with a vibrating block, the vibrating block shakes off dust on the filter layer, and then the pump sucks the dust away. If the brush is combined with the water tank, the liquid is mixed with dust on the filter layer, and then the brush cleans the filter layer. The utility model can be combined with the water tank and the brush by the water pump, and has a water bottle for containing clean water, a water tank for soaking the filter layer, a water bottle for containing sewage, a water pump for pumping dirty water of the working water tank to the sewage water bottle, and a water pump for pumping clean water to the working water tank. The water change of the user is convenient. The cleaning component can clean the filter layers row by row, and has high efficiency and low energy consumption. The solar battery or the storage battery or the battery can be used for supplying power, so that the trouble of installation caused by supplying power by alternating current is avoided. The power supply can be connected with the existing boosting module, and the high voltage generated by the boosting module is negatively charged, so that dust, viruses or bacteria are stained on the filter layer, and the cleaning component is convenient to disinfect and clean the dust, viruses or bacteria. The filter layer of the utility model can be made of hard or soft materials, and can be opened manually or electrically. The filter layer of the utility model has holes which can move up and down. The cleaning component is convenient for a user to replace or clean, water or disinfectant is added into the water tank, and the user can conveniently dry clothes. The advantage of the filter layer movement of the utility model is that the electrical appliances and circuits are fixed, and the electrical appliances and circuits are easy to be waterproof protected, such as being sealed by epoxy resin. Even if storm water is used, the electric appliance and the circuit are soaked by the rainwater. The filter layer of the utility model can be detached by users, and can be cleaned by a washing machine for reuse or used for disposal. The water tank and the brush are arranged below the filter, and the brush contacts the filter layer. The filter layer can be cleaned by manually moving the filter layer, and a cleaning motor and a moving motor are not required. I.e. without the need for electricity. A mobile motor can be added to enable the filter layer to move and automatically clean. The frame of the clothes hanger is provided with hooks, so that a user can conveniently open the filter layer to dry clothes or put articles on a balcony. The transverse bar of the utility model has uniform small holes, and can be made of metal material filtering layers, and the other filtering layer can be made of dense and soft plastic or cloth. The metal filtering layer resists strong wind and can prevent the rats from biting. The soft filtering layer has good filtering and cleaning effects. The two filter layers made of different materials are overlapped, so that the use effect is better. The filter screen of the utility model can adopt a full coverage hole-free form, and can overcome the defect of gaps among the segmented filter layers. The utility model is provided with a ventilation fan to prevent the filter layer from being ventilated. The filter layer is provided with the hard filter layer beside the filter layer, so that the deformation of the filter layer caused by strong wind is better prevented. The transverse plate can be connected with different positions of the frame, and is convenient to install. The frame of the utility model is foldable, is convenient for packaging and transporting products, and can be sold on the internet. The pump is connected with the water bottle, so that a user can conveniently replace sewage of the water tank. The power supply mode of the utility model can be selected from the existing 220V alternating current or dry battery or storage battery or solar battery. Combinations of the above power supply modes are also possible.

Drawings

FIG. 1 is a schematic front view of a filter device;

FIG. 2 is a left side schematic view of FIG. 1;

FIG. 3 is an enlarged schematic view of K1 of FIG. 1;

FIG. 4 is an enlarged schematic view of K2 of FIG. 2;

FIG. 5 is an enlarged schematic view of K3 of FIG. 1;

FIG. 6 is an enlarged schematic view of K4 of FIG. 2;

FIG. 7 is a schematic front view of a brush;

FIG. 8 is a left side schematic view of FIG. 7;

FIG. 9 is a partial schematic front view of an impeller;

FIG. 10 is a left side schematic view of FIG. 9;

FIG. 11 is a schematic front view of a belt;

FIG. 12 is a left side schematic view of FIG. 11;

FIG. 13 is an enlarged schematic view of K5 of FIG. 11;

FIG. 14 is an enlarged schematic view of K6 of FIG. 12;

FIG. 15 is a partial schematic front view of a seismic block mounted;

FIG. 16 is a left side schematic view of FIG. 15;

FIG. 17 is a partial left side schematic view of a vertical slotted bar;

FIG. 18 is a partial schematic front view of a pump;

FIG. 19 is a left side schematic view of FIG. 18;

FIG. 20 is a schematic left-hand view of an arcuate dust screen;

FIG. 21 is a schematic left view of a polygonal dust screen

FIG. 22 is a schematic left-hand view of a rectangular dust screen;

FIG. 23 is a schematic left-hand view of a polygonal dust screen;

FIG. 24 is a schematic left view of a flat dust screen;

FIG. 25 is an enlarged schematic view of K7 of FIG. 27;

FIG. 26 is a schematic front view of the tank installed;

FIG. 27 is a schematic left-hand view of a tank installed;

FIG. 28 is a schematic view of a hooked left side of the bezel;

FIG. 29 is a schematic left-hand view of the shaft hanging on another hook;

FIG. 30 is a schematic diagram of a polygonal dust screen from the left;

FIG. 31 is a schematic left view of a plate-shaped dust screen;

FIG. 32 is an enlarged schematic view of K9 of FIG. 34;

FIG. 33 is a partial schematic front view of the tank installed;

FIG. 34 is a partial left side schematic view of the tank installed;

FIG. 35 is a left side schematic view of the hitch on the lower hook;

FIG. 36 is a schematic left side view of the shaft hanging on another hook;

FIG. 37 is a schematic view of a frame hinge from the left;

FIG. 38 is a schematic front view of a lateral edge connecting band

FIG. 39 is a left side schematic view of FIG. 38;

FIG. 40 is a schematic left-hand view of a mobile motor;

FIG. 41 is an enlarged schematic view of K10 of FIG. 38;

FIG. 42 is a left side schematic view of FIG. 41;

FIG. 43 is a partial schematic front view of a filter layer and belt incorporating a zipper;

FIG. 44 is a partial schematic front view of a reed assembly;

FIG. 45 is a partial left side schematic view of a belt mount Niu;

FIG. 46 is a schematic front view of the upper portion of the cross plate with the pulley mounted;

FIG. 47 is a front view of the bezel of FIG. 46;

FIG. 48 is an enlarged schematic view of K11 of FIG. 46;

FIG. 49 is a partial left side schematic view of a tank and brush installed;

FIG. 50 is a schematic front view of a tank and pump installed;

FIG. 51 is a schematic front view of a water tank and pump;

FIG. 52 is a partial schematic front view of a shock block with a rail mounted thereto;

Detailed Description

The utility model is further illustrated by the following figures and examples in conjunction with the description;

Example 1: referring to fig. 1 to 6. The cleaning component (3) is a brush (3B). The frame (2) is provided with wheels (5) at the upper end and the lower end, the filter layer (1) surrounds the wheels (5) at the two ends, the two ends of the filter layer (1) are arc-shaped, the middle section of the filter layer (1) is linear, the motor (7) is connected with the wheels (5), the motor (4) is connected with the brush (3B), the brush (3B) is aligned with the filter layer (1), and the filter layer (1) can move along the brush (3B).

Example 2: refer to fig. 7 and 8. The cleaning component (3) is a brush (3B), and a hole (8) is arranged below the filter layer (1). A hard filter layer (1A) is arranged beside the filter layer (1), and the filter layer (1) is provided with a ventilating fan (14) for enhancing air circulation. The hole (8) can be moved to the upper side by rotating the moving motor (7). Reference is made to the embodiments described above for the remainder.

Example 3: reference is made to fig. 9 and 10. The cleaning component (3) is an impeller (3A), and a hole (8) is arranged above the filter layer (1). The hole (8) can be moved to the lower side by rotating the moving motor (7). Reference is made to the embodiments described above for the remainder.

Example 4: refer to fig. 11 to 14. The cleaning component (3) is a brush (3B). The upper end and the lower end of the filter layer (1) are provided with transverse plates (13), and the transverse plates (13) are connected with the frame (2). A hard filter layer (1A) is arranged beside the filter layer (1). The filter layer (1) surrounds the hard filter layer (1A). The two ends in the filter layer (1) are provided with inner ring wheels (5A), and an inner ring chain (5E) surrounds the inner ring wheels (5A) at the two ends. One end of the hard filter layer (1A) is connected with an inner ring chain (5E), the other end of the hard filter layer (1A) is provided with an inner ring small wheel (5F), a straight rail (16) is arranged beside the straight line section of the inner ring chain (5E), and the inner ring small wheel (5F) can move along the straight rail (16). The filter layer (1) can be prevented from being deformed in the case of heavy wind. Reference is made to the embodiments described above for the remainder.

Example 5: refer to fig. 15 to 17. The cleaning component (3) is a brush (3B). A hard filter layer (1A) is arranged beside the filter layer (1), and the hard filter layer (1A) surrounds the filter layer (1). An outer rail (17) is arranged outside the surrounding filter layer (1), outer ring wheels (5B) are arranged at two ends of the outer rail, an outer ring small wheel (5D) and an outer ring power wheel (5C) are arranged at one end of the hard filter layer (1A), the outer ring power wheel (5C) or the outer ring wheel (5B) is connected with a motor, the outer ring power wheel (5C) is contacted with the inner edge of the outer rail (17) or the outer ring wheel (5B), and the outer ring small wheel (5D) is contacted with the outer edge of the outer rail (17). When the outer ring power wheel (5C) rotates clockwise or the outer ring wheel (5B) rotates anticlockwise, the outer ring small wheel (5D) rotates anticlockwise. The hard filter layer (1A) is movable along the outer rail (17). A straight rail (16) is arranged beside the straight line section of the outer rail (17). The other end of the hard filter layer (1A) is provided with an outer ring small wheel (5D), and the outer ring small wheel (5D) can contact the straight rail (16). Reference is made to the embodiments described above for the remainder.

Example 6: refer to fig. 18 to 21. The cleaning part (3) is a cleaning belt (3C), the frame (2) is provided with a vertical bar (9), and the side of the filter layer (1) is connected with the vertical bar (9). Reference is made to the embodiments described above for the remainder.

Example 7: refer to fig. 22 and 23. The cleaning component (3) is a vibrating block (3D), the frame (2) is provided with a vertical bar (9), the edge of the filter layer (1) is provided with a convex edge (1C), and the edge of the filter layer (1) is connected with the vertical bar (9). Reference is made to the embodiments described above for the remainder.

Example 8: refer to fig. 24. The frame (2) is provided with a vertical bar (9), the vertical bar (9) is provided with a groove (9A), and the convex edge (1C) of the filter layer (1) can be inserted into the groove (9A). Reference is made to the embodiments described above for the remainder.

Example 9: refer to fig. 25 and 26. The cleaning member (3) is a pump (3F). The pump (3F) can clean the filter layer (1) by sucking or blowing. Reference is made to the embodiments described above for the remainder.

Example 10: refer to fig. 27. The cleaning component (3) is a brush (3B), and the periphery of the brush (3B) is wound with a dust-collecting net (6). The dust-blocking net (6) is arc-shaped (6A). Reference is made to the embodiments described above for the remainder.

Example 11: refer to fig. 28. The cleaning component (3) is an impeller (3A), and a dust net (6) is wound around the periphery of the impeller (3A). The dust-blocking net (6) is polygonal (6D). Reference is made to the embodiments described above for the remainder.

Example 12: refer to fig. 29. The cleaning component (3) is a cleaning belt (3C), and a dust-collecting net (6) is wound around the periphery of the cleaning belt (3C). The dust-proof net (6) is rectangular (6C). Reference is made to the embodiments described above for the remainder.

Example 13: refer to fig. 30. The cleaning component (3) is a vibrating block (3D), and a dust net (6) is wound around the periphery of the vibrating block (3D). The dust-blocking net (6) is polygonal (6D). Reference is made to the embodiments described above for the remainder.

Example 14: refer to fig. 31. The cleaning component (3) is a pump (3F), and the dust blocking net (6) is arranged at the output port of the pump (3F). The dust-proof net (6) is in a plate shape (6B). Reference is made to the embodiments described above for the remainder.

Example 15: refer to fig. 32 and 34. The cleaning component (3) is a water tank (3E), and the water tank (3E) is provided with a dust-proof net (6). The dust-proof net (6) is in a plate shape (6B). Reference is made to the embodiments described above for the remainder.

Example 16: refer to fig. 33. The cleaning component (3) is a water tank (3E), wheels (5) are arranged at two ends of the frame (2), the filter layer (1) surrounds the wheels (5) at two ends, two ends of the filter layer (1) are arc-shaped, the middle section of the filter layer (1) is linear, the water tank (3E) is arranged below the filter layer (1), the water tank (3E) is in contact with the filter layer (1), and the filter layer (1) can move along the water tank (3E). The water in the water tank (3E) can clean the filter layer (1), and the water tank (3E) can be added with dissolving liquid or disinfectant. Reference is made to the embodiments described above for the remainder.

Example 17: refer to fig. 35 and 36. The shaft (5A) is connected with the wheel (5), the frame (2) is provided with a hook (12), and the shaft (5A) can be connected with the hook (12). The filter layers (1) at the upper end and the lower end are provided with shields (15) outside. Reference is made to the embodiments described above for the remainder.

Example 18: refer to fig. 37. The upper frame (2A) is hinged with the lower frame (2B). Reference is made to the embodiments described above for the remainder.

Example 19: refer to fig. 38 and 39. Wheels (5) are arranged at two ends of the frame (2), the belt (10) surrounds the wheels (5) at two ends, the two ends of the belt (10) are arc-shaped, the middle section of the belt (10) is linear, the transverse strip (11) is connected with the belt (10) at two sides, and the filter layer (1) can be connected with the belt (10). Reference is made to the embodiments described above for the remainder. The cross bars (11) are provided with uniform dense holes, and are one type of filter layers.

Example 20: refer to fig. 40. Wheels (5) are arranged at two ends of the frame (2), a belt (10) surrounds the wheels (5) at two ends, two ends of the belt (10) are arc-shaped, the middle section of the belt (10) is straight, a transverse bar (11) is connected with the belt (10) at two sides, the filter layer (1) can be connected with the belt (10), and a mobile motor (7) is connected with the wheels (5). Reference is made to the embodiments described above for the remainder.

Example 21: refer to fig. 41 and 42. The belt (10) is provided with a hook (10A), the side of the filter layer (1) is provided with a small hole (1B), and the small hole (1B) can be hung on the hook (10A). Reference is made to the embodiments described above for the remainder.

Example 22: refer to fig. 43. The filter layer (1) and the belt (10) can be connected by a zipper (10C). Reference is made to the embodiments described above for the remainder.

Example 23: refer to fig. 44 and 45. The belt (10) is provided with a button (10B), the edge of the filter layer (1) is provided with a small hole (1B), and the small hole (1B) can be buckled on the button (10B). Reference is made to the embodiments described above for the remainder.

Example 24: refer to fig. 46 to 48. The two ends of the transverse plate (13) are connected with the side frames (2) on two sides, and the side frames (2) can be hinged in sections by hinges (18). The transverse plate (13) is provided with a pulley (19). As shown in fig. 46, the cross plate (13) can be connected with different positions on the upper part of the frame (2), and the pulley (19) contacts the original aluminum alloy frame rail (20). The cross plate (13) can be moved leftwards or rightwards along the aluminum alloy frame. As shown in fig. 47, the filter layer (1) is omitted. The frame (2) can be folded up and down. The product of the utility model is convenient for packaging and transportation and is sold to various places nationwide. Reference is made to the embodiments described above for the remainder.

The frame (2) can be connected with the window frame by a hinge (18). The whole frame (2) can be opened by rotating leftwards or rightwards or upwards or downwards.

Example 25: refer to fig. 49. Wheels (5) are arranged at two ends of the frame (2), the filter layer (1) surrounds the wheels (5) at two ends, the two ends of the filter layer (1) are arc-shaped, the middle section of the filter layer (1) is linear, the movable motor (7) is connected with the wheels (5), a water tank (3E) is arranged below the filter layer (1), the brush (3B) is arranged in the water tank (3E), the brush (3B) can contact the filter layer (1), and the filter layer (1) can move along the brush (3B). Reference is made to the embodiments described above for the remainder.

The above embodiments may be used in combination according to actual needs.

Example 26: refer to fig. 50. The frame (2) is provided with a pump (3F), the lower part is provided with a water tank (3E), and the two sides of the water tank (3E) are provided with water bottles (21). The left pump (3F) is connected with the left water bottle (21) through a water pipe, the other water pipe of the pump (3F) is aligned with the water tank (3E), the lower part of the filter layer (1) is soaked in the water tank (3E), the water tank (3E) is provided with the hairbrush (3B), the right pump (3F) is connected with the water tank (3E) through a water pipe, and the other water pipe of the right pump (3F) is aligned with the right water bottle (21). The cleaning water is input to the water tank (3E) by the left water bottle (21), and the sewage of the water tank (3E) is collected by the right water bottle (21). Reference is made to the embodiments described above for the remainder.

The sewage of the water tank (3E) can be discharged to the water bottle (21) through the pump (3F) by using one water bottle (21), then the sewage is poured out, the water bottle (21) is filled with clean water, and the clean water of the water bottle (21) is filled into the water tank (3E) through the pump (3F).

Example 27: refer to fig. 51. The pump (3F) is connected with the water bottle (21). The water bottle (21) can be moved to the side of the water tank (3E), and sewage is pumped out by the pump (3F). And then the sewage of the water bottle (21) is poured out. The water bottle (21) is filled with clean water. By the water tank (3E) moved to, clean water is poured into the water tank (3E) by the pump (3F). Reference is made to the embodiments described above for the remainder.

The water tank is provided with a luminous tube and a photosensitive tube, and the turbidity of the water is checked. Or two electrodes, inserted into the water tank, measure the conductivity of the water. When the sewage is thick, water change is prompted.

Example 28: refer to fig. 52. Is provided with a transverse bar (11) and a button (10B). The transverse plate (13) is connected with the side frames (2) at two sides. The transverse plate (13) is provided with a motor (4), the motor (4) is connected with the vibrating block (3D), and the hairbrush (3B) can contact the filter layer (1). Reference is made to the embodiments described above for the remainder.

The power supply mode of the utility model can be selected from the existing 220V alternating current or dry battery or storage battery or solar battery. Combinations of the above power supply modes are also possible.

Claims (11)

1. The utility model provides a filter equipment of clean filter layer, its characterized in that frame (2) both ends have wheel (5), and filter layer (1) are round wheel (5) at both ends, and filter layer (1) both ends are convex, and filter layer (1) interlude is rectilinear, and movable motor (7) fifth wheel (5), and cleaning member (3) are connected to motor (4), and cleaning member (3) aim at filter layer (1), and filter layer (1) can follow cleaning member (3) and remove.

2. A filter device according to claim 1, characterized in that the filter layer (1) has holes (8).

3. A filter device according to claim 1, characterized in that the filter layer (1) is flanked by a hard filter layer (1A).

4. A filter device according to claim 1, characterized in that the cleaning means (3) is an impeller (3A) or a brush (3B) or a cleaning belt (3C) or a vibrating block (3D) or a pump (3F).

5. The filter device according to claim 4, characterized in that the cleaning element (3) is surrounded by a dust-blocking net, which is arc-shaped (6A) or flat-plate-shaped (6B) or rectangular (6C) or polygonal (6D).

6. A filter device according to claim 1, characterized in that the shaft (5A) is connected to the wheel (5), the frame (2) has hooks (12), and the shaft (5A) is connectable to the hooks (12).

7. A filter device according to claim 1, characterized in that the cross plate (13) is connected at both ends to the side frames (2) on both sides.

8. A filter device according to claim 1, characterized in that the frames (2) are hinged to each other.

9. A filtering device for cleaning a filtering layer is characterized in that wheels (5) are arranged at two ends of a frame (2), a belt (10) surrounds the wheels (5) at the two ends, the two ends of the belt (10) are arc-shaped, the middle section of the belt (10) is linear, a transverse bar (11) is connected with the belt (10) at the two sides, and the filtering layer (1) can be connected with the belt (10).

10. The utility model provides a filter equipment of clean filter layer, its characterized in that frame (2) both ends have wheel (5), and filter layer (1) are round wheel (5) at both ends, and filter layer (1) both ends are convex, and filter layer (1) interlude is straight line, and there is water tank (3E) filter layer (1) below, water tank (3E) contact filter layer (1), and filter layer (1) can follow water tank (3E) and remove.

11. A filter device according to claim 10, characterized in that the mobile motor (7) is connected to the wheel (5), the brush (3B) is mounted in the tank (3E), the brush (3B) contacts the filter layer (1), and the filter layer (1) is movable along the brush (3B).