CN216064709U

CN216064709U - Automatic cleaning device for cleaning property water supply tank

Info

Publication number: CN216064709U
Application number: CN202122853061.0U
Authority: CN
Inventors: 翟蕊; 张洪峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-21
Filing date: 2021-11-21
Publication date: 2022-03-18
Anticipated expiration: 2031-11-21

Abstract

The utility model relates to the technical field of water supply tank cleaning, and discloses an automatic cleaning device for cleaning a property water supply tank, which comprises: the water supply tank comprises a water supply tank body and a plugging cover, wherein an installation cavity and an installation opening are respectively formed in the inside and the top of the water supply tank body, the installation cavity is communicated with the installation opening, the plugging cover is attached to the top of the water supply tank body and is abutted against the installation opening, a cleaning mechanism is arranged in the installation cavity, a drain pipe is fixedly connected to the bottom of one side of the water supply tank body, and a cover cap is movably sleeved on one side of the drain pipe. According to the utility model, through the matching of the cleaning mechanism and the limiting mechanism, the problem that the cleaning effect of the existing water supply tank cleaning device is poor due to the fact that the four corners of the inner wall are mostly inconvenient to scrub is solved, the effect of cleaning the inside of the water supply tank main body in all directions is realized, and the effect of conveniently detaching the cleaning structure from the inside of the water supply tank main body is realized.

Description

Automatic cleaning device for cleaning property water supply tank

Technical Field

The utility model relates to the technical field of water supply tank cleaning, in particular to an automatic cleaning device for cleaning a property water supply tank.

Background

The feed water tank is the container that is used for storing the running water so that provide the water resource for the resident, and the feed water tank needs to be overhauld after long-term the use to the seepage appears in the feed water tank, the property need wash the water tank after overhauing the water tank, just so can guarantee the safety of water, thereby guarantee people's drinking water safety.

The existing water supply tank cleaning device for property maintenance mostly adopts manual cleaning, the defects of manual cleaning are high labor intensity, low cleaning efficiency and poor effect, and therefore, one set of automatic cleaning equipment is needed to solve the problems.

The prior patent (publication number: CN 111632974A) discloses a cleaning device for a water supply tank for property maintenance, which can automatically wash the inside of the water supply tank by arranging a first gear, a second gear, a rotary table, a transmission belt, a rotary shaft, a motor, a water tank, a water pump, a cleaning plate and cleaning cotton; through setting up round pin axle, screw rod, locking cap, can realize that connecting plate and cleaning plate turn over and roll over, and then be convenient for install the feed water tank. The utility model has the advantages of good cleaning effect, high efficiency, high automation degree, convenient installation and good practicability.

However, the above-mentioned design of the water supply tank cleaning device for property maintenance has some disadvantages in practical application: the cleaning device for the water supply tank designed as above not only has various structures, troublesome parts assembly and low cleaning effect, can not clean and wipe the inner wall of the water supply tank in all directions, but also is not easy to touch because the four corners of the water supply tank are narrow, therefore, the water supply tank cleaning device with the design can not clean four corners, which greatly reduces the cleaning effect of the water supply tank, thereby reducing the cleaning quality of the cleaning device, and the cleaning structure arranged in the water supply tank cleaning device is fixedly arranged and can not be taken out, not only occupies more space inside the water supply tank, but also can cause the damage of the cleaning structure because the cleaning structure is soaked in tap water for a long time, and also provides a place for microorganisms in water to inhabit, therefore, the water quality is easily polluted, and for this reason, an automatic cleaning device for cleaning the property water supply tank is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic cleaning device for cleaning a property water supply tank, which solves the problem that the cleaning effect of the water supply tank is poor due to the fact that four corners of the inner wall of the existing water supply tank cleaning device are mostly inconvenient to brush, and simultaneously solves the problem that the cleaning structure is easy to pollute water quality due to the fact that the existing water supply tank is fixedly arranged in the water supply tank due to the fact that most cleaning structures are soaked in water for a long time.

In order to solve the above technical problems, the present invention provides an automatic cleaning device for cleaning a property water supply tank, comprising: the water supply tank comprises a water supply tank body and a plugging cover, wherein an installation cavity and an installation opening are respectively formed in the inside and the top of the water supply tank body, the installation cavity is communicated with the installation opening, the plugging cover is attached to the top of the water supply tank body and is abutted against the installation opening, a cleaning mechanism is arranged in the installation cavity, a drain pipe is fixedly connected to the bottom of one side of the water supply tank body, and a cover cap is movably sleeved on one side of the drain pipe.

Preferably, the cleaning mechanism comprises a rotating shaft, a mounting frame, a sliding plate, a wiping cotton, a scraping plate, two limiting grooves, two sliding blocks, two mounting seats, two rotating plates, two fixing seats and two reset springs, the rotating shaft is rotatably connected in the mounting cavity, the mounting frame is fixedly connected to one side of the rotating shaft, a sliding groove is formed in one side of the mounting frame, the two limiting grooves are symmetrically formed in the mounting frame and communicated with the sliding groove, the two sliding blocks are respectively and slidably connected in the two limiting grooves, guide rods are inserted in the sliding blocks, two ends of each guide rod are fixedly connected in the limiting grooves, the two mounting seats are respectively and fixedly connected to one side of the two sliding blocks, the two rotating plates are respectively and rotatably connected in the two mounting seats, the sliding plate is slidably connected in the sliding groove, the two fixing seats are symmetrically and fixedly connected to one side of the sliding plate, and one side of the rotating plate, which is far away from the mounting seats, is rotatably connected in the fixing seats, the cleaning cotton is fixedly connected to one side of the sliding plate, which is far away from the fixed seat, and the cleaning cotton is abutted against the side wall of the installation cavity, the two reset springs are respectively and fixedly connected to one side of the two sliding blocks, the other ends of the reset springs are fixedly connected in the limiting grooves, the reset springs are sleeved on the guide rods, the scraping plate is fixedly connected to the bottom of the installation frame, the scraping plate is abutted against the bottom wall of the installation cavity, a driving motor is arranged in the plugging cover, a driving shaft of the driving motor is in transmission connection with the top end of the rotating shaft, the rotating shaft drives the installation frame to rotate by starting the driving motor, meanwhile, the installation frame drives the sliding plate and the cleaning cotton to rotate and clean the inner wall of the water supply box body, an electromagnetic valve is started in the process, clean water in the water tank is injected into the water supply box body through a water pipe, the cleaning cotton cleans the inner wall of the water supply box body, and simultaneously cleans the bottom wall of the water supply box body through the scraping plate, when wiping cotton and rotating the water supply tank main part internal corner, reset spring promotes the slider and slides in the spacing groove this moment to make the rotor plate promote the slide and clean cotton messenger and clean cotton and offset and scrub with water supply tank main part corner, solved current water supply tank belt cleaning device and scrubbed the inner wall four corners because of being inconvenient for mostly, lead to the relatively poor problem of water supply tank cleaning performance, realized can all-round abluent effect of carrying on in the water supply tank main part.

Preferably, the water quality cleaning device further comprises a limiting mechanism, the limiting mechanism comprises a mounting groove, a mounting box and a limiting port, the mounting groove is formed in the bottom of the plugging cover, the mounting box is connected in the mounting groove in a sliding mode, a cavity is formed in the mounting box, a driving motor is arranged in the cavity, the top end of the rotating shaft is rotatably connected to the bottom of the mounting box, the limiting port is formed in the mounting cavity and communicated with the mounting cavity, the bottom end of the rotating shaft is rotatably inserted in the limiting port, the plugging cover can be detached by detaching four positioning bolts, the mounting box can slide out of the mounting groove, and finally the rotating shaft is pulled to slide out of the bottom end of the rotating shaft from the limiting port so that the rotating shaft can be taken out of the water supply box main body, so that the problem that the water quality is easily polluted due to the fact that a cleaning structure is soaked in water for a long time due to the fact that most of the existing water supply box is fixedly arranged in the water supply box is solved, the effect of being convenient for demolish the cleaning structure from the water supply tank main body is realized.

Preferably, the top of shutoff lid is provided with the water tank, the bottom fixedly connected with water pipe of water tank one side, and the other end of water pipe runs through the shutoff lid and extends to the installation intracavity, and the inside and the front side of water tank are provided with solenoid valve and control panel respectively, and solenoid valve and control panel electric connection, can conveniently pour into the clear water into in the water supply tank main part to improve the cleaning performance.

Preferably, the equal screw thread in top four corners of shutoff lid is pegged graft and is had positioning bolt, and positioning bolt's end runs through the shutoff lid and extends to in the water supply tank main part, and the fixed top that sets up at the water supply tank main part of shutoff lid of being convenient for.

Preferably, the mounting groove is internally and symmetrically provided with two sealing gaskets, the sealing gaskets are abutted to the mounting box, the friction force of the mounting box in the mounting groove can be increased, and therefore the stable rotation of the rotating shaft is facilitated.

Preferably, the protection of fixedly connected with pad in the spacing mouth, the top of protection pad offsets with the bottom of axis of rotation, and the material of protection pad is No. 45 steel, through setting up the protection pad, and the material that sets up the protection pad is No. 45 steel, because No. steel hardness is great, so can play the guard action to the diapire of feed tank main part.

Preferably, two holes that leak have been seted up to the symmetry in the mounting bracket, and the diameter in two holes that leak is the same, and equidistant, can be convenient for discharge the clear water that permeates in the spout, avoid the clear water to be detained for a long time in the spout rotten.

Compared with the related art, the automatic cleaning device for cleaning the property water supply tank provided by the utility model has the following beneficial effects:

1. in the utility model, the driving motor is started to enable the rotating shaft to drive the mounting frame to rotate, meanwhile, the mounting frame drives the sliding plate and the wiping cotton to rotate and clean the inner wall of the water supply tank main body, the electromagnetic valve is started in the process, clean water in the water tank is injected into the water supply tank main body through the water pipe, the wiping cotton brushes the inner wall of the water supply tank main body, meanwhile, the scraper plate brushes the bottom wall of the water supply tank main body, when the wiping cotton rotates to corners in the water supply tank main body, the reset spring pushes the sliding block to slide in the limiting groove, and the rotating plate pushes the sliding plate and the wiping cotton to enable the wiping cotton to be abutted against and brush the corners of the water supply tank main body, so that the problem that the cleaning effect of the water supply tank is poor due to the fact that four corners of the inner wall are mostly inconvenient to be brushed by the existing cleaning device for the water supply tank is solved, and the effect of cleaning the water supply tank main body in all directions is achieved;

2. according to the utility model, the four positioning bolts are detached, the plugging cover can be detached, the installation box can slide out from the installation groove, and finally the rotating shaft is pulled to enable the bottom end of the rotating shaft to slide out from the limiting port, so that the rotating shaft can be taken out from the water supply box body, the problem that the cleaning structure is soaked in water for a long time and the water quality is easily polluted due to the fact that most of the existing water supply boxes are fixedly arranged in the water supply boxes, is solved, the effect of conveniently detaching the cleaning structure from the water supply box body is realized, and the protection pad is arranged and is made of No. 45 steel, so that the bottom wall of the water supply box body can be protected due to the fact that the No. 45 steel is high in hardness.

Drawings

Fig. 1 is a schematic perspective view of an exterior of an automatic cleaning apparatus for cleaning a property service water supply tank;

FIG. 2 is a schematic plan view showing the inside of an automatic cleaning apparatus for cleaning a utility water supply tank;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

Reference numbers in the figures: 1. a water supply tank main body; 2. a blocking cover; 3. a rotating shaft; 4. a mounting frame; 5. a limiting groove; 6. a slider; 7. a mounting seat; 8. a rotating plate; 9. a slide plate; 10. a fixed seat; 11. wiping cotton; 12. a return spring; 13. a squeegee; 14. a drive motor; 15. mounting grooves; 16. installing a box; 17. a limiting port; 18. a water tank; 19. a water pipe.

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.

First embodiment, as shown in fig. 1 to 4, an automatic cleaning apparatus for cleaning a property supply tank, includes: the water supply tank comprises a water supply tank body 1 and a blocking cover 2, wherein an installation cavity and an installation opening are respectively formed in the interior and the top of the water supply tank body 1, the installation cavity is communicated with the installation opening, the blocking cover 2 is connected to the top of the water supply tank body 1 in an attaching mode, the blocking cover 2 abuts against the installation opening, a cleaning mechanism is arranged in the installation cavity, a drain pipe is fixedly connected to the bottom of one side of the water supply tank body 1, and a cover cap is movably sleeved on one side of the drain pipe;

the cleaning mechanism comprises a rotating shaft 3, a mounting frame 4, a sliding plate 9, a wiping cotton 11, a scraping plate 13, two limiting grooves 5, two sliders 6, two mounting seats 7, two rotating plates 8, two fixing seats 10 and two reset springs 12, wherein the rotating shaft 3 is rotatably connected in the mounting cavity, the mounting frame 4 is fixedly connected to one side of the rotating shaft 3, one side of the mounting frame 4 is provided with a chute, the two limiting grooves 5 are symmetrically arranged in the mounting frame 4, the limiting grooves 5 are communicated with the chute, the two sliders 6 are respectively and slidably connected in the two limiting grooves 5, guide rods are inserted in the sliders 6, two ends of each guide rod are fixedly connected in the limiting grooves 5, the two mounting seats 7 are respectively and fixedly connected to one side of the two sliders 6, the two rotating plates 8 are respectively and rotatably connected in the two mounting seats 7, the sliding plate 9 is slidably connected in the chute, and the two fixing seats 10 are symmetrically and fixedly connected to one side of the sliding plate 9, and one side of the rotating plate 8, which is far away from the mounting seat 7, is rotatably connected in the fixing seat 10, the wiping cotton 11 is fixedly connected at one side of the sliding plate 9, which is far away from the fixing seat 10, the wiping cotton 11 is abutted against the side wall of the mounting cavity, two return springs 12 are respectively fixedly connected at one side of the two sliding blocks 6, which are opposite to each other, the other ends of the return springs 12 are fixedly connected in the limiting groove 5, the return springs 12 are sleeved on the guide rods, the scraping plates 13 are fixedly connected at the bottom of the mounting frame 4, the scraping plates 13 are abutted against the bottom wall of the mounting cavity, a driving motor 14 is arranged in the plugging cover 2, a driving shaft of the driving motor 14 is in transmission connection with the top end of the rotating shaft 3, the rotating shaft 3 drives the mounting frame 4 to rotate by opening the driving motor 14, meanwhile, the mounting frame 4 drives the sliding plate 9 and the wiping cotton 11 to rotate and clean the inner wall of the water supply box main body 1, and the electromagnetic valve is opened in the process, make the clear water in the water tank 18 pour into the feed water tank main part 1 into through water pipe 19, make and clean cotton 11 and scrub feed water tank main part 1 inner wall, make simultaneously scraper blade 13 scrub feed water tank main part 1 diapire, when cleaning cotton 11 and rotating into feed water tank main part 1 internal corner, reset spring 12 promotes slider 6 and slides in spacing groove 5 this moment, and make rotor plate 8 promote slide 9 and clean cotton 11 and make and clean cotton 11 and offset and scrub with feed water tank main part 1 corner, it washes the inner wall four corners because of being mostly inconvenient to have solved current feed water tank belt cleaning device, lead to the relatively poor problem of feed water tank cleaning performance, the effect that can all-round abluent in the feed water tank main part 1 has been realized.

Embodiment two, on the basis of embodiment one, still include stop gear, stop gear includes mounting groove 15, install bin 16 and spacing mouth 17, install bin 15 sets up in the bottom of shutoff lid 2, install bin 16 sliding connection is in mounting groove 15, and install bin 16's inside is provided with the cavity, driving motor 14 sets up in the cavity, and the top of axis of rotation 3 rotates the bottom of connecting at install bin 16, spacing mouth 17 sets up in the installation cavity, and spacing mouth 17 link up with the installation cavity mutually, the bottom of axis of rotation 3 is rotated and is pegged graft in spacing mouth 17, through making four positioning bolt dismantle out, can demolish shutoff lid 2, install bin 16 can follow roll-off in mounting groove 15 simultaneously, the bottom that pulls axis of rotation 3 to make axis of rotation 3 can take out axis of rotation 3 from supply tank main part 1 from spacing mouthful 17 internal roll-off.

Third embodiment, on the basis of first embodiment, the top of shutoff lid 2 is provided with water tank 18, the bottom fixedly connected with water pipe 19 of 18 one sides of water tank, and the other end of water pipe 19 runs through shutoff lid 2 and extends to the installation intracavity, and the inside and the front side of water tank 18 are provided with solenoid valve and control panel respectively, and solenoid valve and control panel electric connection, can conveniently inject clear water in to feed tank main part 1 to improve the cleaning performance.

Fourth, on the basis of first embodiment, the equal screw thread in top four corners of shutoff lid 2 is pegged graft and is had positioning bolt, and positioning bolt's end runs through shutoff lid 2 and extends to in water supply tank main part 1, and the fixed top that sets up at water supply tank main part 1 of shutoff lid 2 of being convenient for.

In the fifth embodiment, on the basis of the second embodiment, two gaskets are symmetrically arranged in the mounting groove 15, and the gaskets abut against the mounting box 16, so that the friction force of the mounting box 16 in the mounting groove 15 can be increased, and the stable rotation of the rotating shaft 3 is facilitated.

Sixth embodiment, on the basis of second embodiment, the top of protection pad offsets with the bottom of axis of rotation 3 in the fixedly connected with protection pad in spacing mouth 17, and the material of protection pad is No. 45 steel, through setting up the protection pad, and the material that sets up the protection pad is No. 45 steel, because No. 45 steel hardness is great, in order to play the guard action to the diapire of feed water tank main part 1.

Seventh embodiment, on the basis of first embodiment, two holes that leak are seted up to the symmetry in the mounting bracket 4, and the diameter in two holes that leak is the same, and equidistant, can be convenient for discharge the clear water that permeates in the spout, avoid the clear water to be detained for a long time and deteriorate in the spout.

The working principle is as follows:

when the inner wall of the water supply tank main body 1 needs to be cleaned:

the first step is as follows: firstly, a driving motor 14 is started, so that a rotating shaft 3 drives a mounting rack 4 to rotate, and meanwhile, the mounting rack 4 drives a sliding plate 9 and a wiping cotton 11 to rotate and clean the inner wall of a water supply tank main body 1;

the second step is that: in the process, the electromagnetic valve is opened, so that clean water in the water tank 18 is injected into the water supply tank body 1 through the water pipe 19, the wiping cotton 11 brushes the inner wall of the water supply tank body 1, and the scraping plate 13 brushes the bottom wall of the water supply tank body 1;

the third step: when the wiping cotton 11 rotates to the inner corner of the water supply tank body 1, the return spring 12 pushes the sliding block 6 to slide in the limiting groove 5, and the rotating plate 8 pushes the sliding plate 9 and the wiping cotton 11 to enable the wiping cotton 11 to be abutted against and brushed against the corner of the water supply tank body 1.

When it is necessary to take out the washing structure from the water service box body 1:

the first step is as follows: firstly, the four positioning bolts are detached, then the plugging cover 2 is detached, and meanwhile, the installation box 16 can slide out of the installation groove 15;

the second step is that: then the rotating shaft 3 is pulled to enable the bottom end of the rotating shaft 3 to slide out of the limiting opening 17, and the rotating shaft 3 can be taken out of the water supply tank main body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-cleaning device for cleaning a property service water supply tank, comprising: the water supply tank comprises a water supply tank body (1) and a plugging cover (2), and is characterized in that an installation cavity and an installation port are respectively arranged in the water supply tank body (1) and at the top of the water supply tank body, the installation cavity is communicated with the installation port, the plugging cover (2) is attached to the top of the water supply tank body (1), the plugging cover (2) is abutted to the installation port, a cleaning mechanism is arranged in the installation cavity, a drain pipe is fixedly connected to the bottom of one side of the water supply tank body (1), and a cover cap is movably sleeved on one side of the drain pipe.

2. The automatic cleaning device for cleaning the water supply tank for the property industry according to claim 1, wherein the cleaning mechanism comprises a rotating shaft (3), a mounting frame (4), a sliding plate (9), a wiping cotton (11), a scraping plate (13), two limiting grooves (5), two sliding blocks (6), two mounting seats (7), two rotating plates (8), two fixing seats (10) and two reset springs (12), the rotating shaft (3) is rotatably connected in the mounting cavity, the mounting frame (4) is fixedly connected to one side of the rotating shaft (3), one side of the mounting frame (4) is provided with a sliding groove, the two limiting grooves (5) are symmetrically arranged in the mounting frame (4), the limiting grooves (5) are communicated with the sliding groove, the two sliding blocks (6) are respectively and slidably connected in the two limiting grooves (5), guide rods are inserted in the sliding blocks (6), and two ends of each guide rod are fixedly connected in the limiting grooves (5), two installation seats (7) are respectively and fixedly connected with one side of two sliding blocks (6), two rotating plates (8) are respectively and rotatably connected in the two installation seats (7), a sliding plate (9) is slidably connected in a sliding groove, two fixing seats (10) are symmetrically and fixedly connected with one side of the sliding plate (9), one side of the rotating plate (8) far away from the installation seats (7) is rotatably connected in the fixing seats (10), a wiping cotton (11) is fixedly connected with one side of the sliding plate (9) far away from the fixing seats (10), the wiping cotton (11) is propped against the side wall of the installation cavity, two reset springs (12) are respectively and fixedly connected with one side of the two sliding blocks (6) which are mutually opposite, the other ends of the reset springs (12) are fixedly connected in a limiting groove (5), the reset springs (12) are sleeved on a guide rod, a scraper (13) is fixedly connected with the bottom of the installation rack (4), and the scraper (13) is propped against the bottom wall of the installation cavity, a driving motor (14) is arranged in the blocking cover (2), and a driving shaft of the driving motor (14) is in transmission connection with the top end of the rotating shaft (3).

3. The automatic cleaning device for cleaning the water supply tank for the property industry as claimed in claim 2, further comprising a limiting mechanism, wherein the limiting mechanism comprises a mounting groove (15), a mounting box (16) and a limiting opening (17), the mounting groove (15) is formed in the bottom of the plugging cover (2), the mounting box (16) is slidably connected into the mounting groove (15), a cavity is formed in the mounting box (16), the driving motor (14) is arranged in the cavity, the top end of the rotating shaft (3) is rotatably connected to the bottom of the mounting box (16), the limiting opening (17) is formed in the mounting cavity, the limiting opening (17) is communicated with the mounting cavity, and the bottom end of the rotating shaft (3) is rotatably inserted into the limiting opening (17).

4. The automatic cleaning device for cleaning the water supply tank for the property according to claim 1, wherein a water tank (18) is arranged at the top of the blocking cover (2), a water pipe (19) is fixedly connected to the bottom of one side of the water tank (18), the other end of the water pipe (19) penetrates through the blocking cover (2) and extends into the installation cavity, an electromagnetic valve and a control board are respectively arranged inside and on the front side of the water tank (18), and the electromagnetic valve is electrically connected with the control board.

5. The automatic cleaning device for cleaning the water supply tank for the property industry according to claim 1, wherein positioning bolts are inserted into four corners of the top of the blocking cover (2) in a threaded manner, and the ends of the positioning bolts penetrate through the blocking cover (2) and extend into the water supply tank main body (1).

6. The automatic cleaning device for washing a utility water supply tank as claimed in claim 3, wherein two gaskets are symmetrically disposed in the installation groove (15) and abut against the installation tank (16).

7. The automatic cleaning device for cleaning the water supply tank for the property industry according to claim 3, wherein a protective pad is fixedly connected in the limiting opening (17), the top of the protective pad is abutted against the bottom end of the rotating shaft (3), and the protective pad is made of No. 45 steel.

8. The automatic cleaning device for cleaning the water supply tank for the property industry as claimed in claim 2, wherein two water leakage holes are symmetrically formed in the mounting frame (4), and the water leakage holes have the same diameter and are equally spaced.