CN104863213B - A self-cleaning reservoir - Google Patents

Abstract

The invention discloses an automatic cleaning reservoir, which mainly relates to the field of tap water storage. It includes a water reservoir, a bracket, a motor, a transmission device, and a cleaning rack. A small spare pool is arranged on the top of the reservoir, a manhole is arranged on the reservoir, a bracket is arranged on the top of the manhole, and a motor is arranged on the bracket. A fixed shaft is arranged on the support, and the fixed shaft is connected with a transmission device, the transmission device is composed of a bevel gear, a screw, and a screw nut, and the transmission device is connected with the cleaning rack, and the motor can drive the cleaning rack through the transmission device to realize rotation along the fixed shaft at the same time and movement along the screw. The beneficial effect of the present invention is that it can replace manual cleaning of the reservoir, and the cleaning rack can be taken out from the reservoir after cleaning, which can effectively prevent rainwater, dust and other sundries from falling into the reservoir, and has the advantages of simple operation, The structure is stable, easy to install, easy to collect dirt, effective cleaning, no cleaning dead angle, and can still supply water during cleaning.

Description

A self-cleaning reservoir

technical field

The invention relates to the field of tap water storage, in particular to an automatic cleaning reservoir.

Background technique

The cistern is the storage facility for the "finished water" of the waterworks, and the "finished water" flows directly to thousands of households through the water supply network. Therefore, the sanitation of the cistern plays an important role in ensuring the quality of the factory water. Due to the limited pressure of the water supply pipe network, most high-rise buildings need secondary water supply, that is, the tap water is first stored in the reservoir, and then pumped to the residents' homes. With the rapid increase of high-rise buildings, secondary water supply has become the main way of water supply in my country's cities.

The reservoir is easy to breed moss and microorganisms, and rainwater and foreign matter will enter if it is not tightly sealed. If it is not cleaned and disinfected in time, it will become a major source of pollution for tap water, ranging from sediment accumulation at the bottom of the pool to various garbage debris Into the pool, causing secondary pollution of tap water. Therefore, in order to ensure the quality of tap water, the cleaning of the reservoir is particularly important.

At present, most of the cleaning work of the reservoir is manual cleaning, and the cleaners must enter the reservoir to clean, which is time-consuming and laborious, and there are many humid and stuffy phenomena in the reservoir, which makes the cleaning of the reservoir more difficult. However, the existing automatic cleaning equipment cannot effectively clean the reservoir due to the existence of cleaning dead angles.

Contents of the invention

The object of the present invention is to provide an automatic cleaning reservoir, which can solve the deficiencies in the known technology, it can replace manual cleaning of the reservoir, and has the advantages of simple operation, stable structure, easy installation, easy to collect dirt, and effective cleaning. Clean, no cleaning dead angle, can still supply water when cleaning.

In order to achieve the above object, the present invention is achieved through the following technical solutions:

An automatic cleaning reservoir, comprising a cylindrical closed-structure reservoir, the upper part of the reservoir is provided with a water inlet, the inlet is provided with a water inlet valve, and the lower part of the reservoir is provided with a water outlet, The water outlet is provided with a water outlet valve, the bottom of the reservoir is provided with a sewage outlet, the sewage outlet is provided with a sewage valve, the top of the reservoir is provided with a small spare pool, and the top of the reservoir is provided with A manhole, the top of the manhole is provided with a bracket, the bottom of the bracket is provided with a foot support, one side of the bracket is provided with a motor, the motor controller is provided on the motor, and the first pulley is provided on the motor shaft. A casing is arranged below the bracket, the casing is a cylindrical structure and penetrates into the interior of the reservoir through a manhole, a cover plate is arranged at the bottom of the casing, a second pulley is arranged at the top of the casing, and the second A belt is arranged on the pulley, the second pulley is connected to the first pulley through a belt, a fixed shaft is arranged in the middle of the bracket, the fixed shaft is inserted into the housing, at least one first bearing is arranged on the fixed shaft, and the first A bearing inner ring is connected to the fixed shaft, the first bearing outer ring is connected to the housing, a first bushing is arranged under the fixed shaft, a first conical gear is arranged under the first bushing, and the first conical gear The gear is connected to the fixed shaft through a key, a first nut is arranged under the first bevel gear, the fixed shaft is connected to the housing through the first nut, a rotating shaft is arranged at the lower part of the housing, and at least A second bearing, the outer ring of the second bearing is connected to the housing, the inner ring of the second bearing is connected to the rotating shaft, the second shaft sleeve is arranged on the rotating shaft, and the second sleeve is arranged on one side of the second shaft sleeve. Two bevel gears, the second bevel gear meshes with the first bevel gear, the second bevel gear is connected to the rotating shaft by a key, the second bevel gear is fixed on the rotating shaft by a second nut, and the rotating A connecting sleeve is arranged on one side of the shaft, one end of the connecting sleeve is connected with the rotating shaft, a lead screw is arranged at the other end of the connecting sleeve, a screw nut is arranged on the screw nut, a cleaning frame is arranged on the screw nut, and a cleaning rack is set on the cleaning rack. Brushes, the upper and lower ends of the cleaning frame are provided with supports, the supports are provided with universal wheels, the cleaning frame is provided with water spray pipelines, the spray nozzles are provided on the water spray pipelines, and the upper part of the inner wall of the reservoir is provided with There is an annular through groove suitable for the lead screw, a through hole is arranged at the bottom of the through groove, and a sealing cover is arranged on the through hole.

The cleaning frame is made of stainless steel pipes, the corners are connected by three-way valves, and the cleaning frame itself is used as a water spray pipeline.

The cleaning rack adopts a trapezoidal structure with the short side on top.

A spring is arranged on the universal wheel.

The bottom surface of the reservoir is a spherical surface with a high middle and low surroundings.

Compared with the prior art, the beneficial effects of the present invention are:

1. The reservoir of the present invention adopts a closed structure, which can effectively prevent rainwater, dust and other sundries from falling into the reservoir.

2. The cistern of the present invention uses the electric motor to drive the cleaning frame through the transmission device to clean the cistern, which can replace manual cleaning in the cistern.

3. The reservoir of the present invention is driven by a bevel gear and a lead screw, which can realize rotation and axial movement at the same time, and can reduce the width of the cleaning frame. After cleaning, the cleaning frame can be taken out, avoiding the pollution of the cleaning frame to the water body.

4. Universal wheels are installed on the cleaning frame of the present invention, which can reduce the resistance of the cleaning frame to rotate and improve cleaning efficiency.

5. The cleaning frame of the present invention is made of stainless steel pipes, and the cleaning frame itself is used as a water spray pipeline, which can reduce weight and improve work efficiency.

6. The cleaning frame of the present invention adopts a trapezoidal structure, which can ensure that there is no dead angle for cleaning.

7. The universal wheel of the present invention is equipped with a spring, which can make the universal wheel always contact the upper and lower surfaces of the reservoir, increasing the stability of cleaning.

8. The bottom surface of the reservoir of the present invention is a spherical surface with a high middle and low surroundings, which can better collect sewage and facilitate the discharge of sewage.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is the structural representation of transmission device of the present invention;

Accompanying drawing 3 is the structure schematic diagram of the washing frame of the present invention.

Labels in the attached drawings: 1, reservoir; 2, water inlet; 3, water inlet valve; 4, water outlet; 5, water outlet valve; 6, sewage outlet; 7, sewage valve; 8, small spare pool; 9, Manhole; 10, bracket; 11, ground support; 12, motor; 13, motor controller; 14, first pulley; 15, shell; 16, second pulley; 17, belt; 18, fixed shaft; 19 , the first bearing; 20, the first sleeve; 21, the first bevel gear; 22, the first nut; 23, the rotating shaft; 24, the second bearing; 25, the second sleeve; 26, the second bevel gear; 27. Second nut; 28. Connecting sleeve; 29. Lead screw; 30. Nut; 31. Cleaning frame; 32. Brush; 33. Support; 34. Universal wheel; 35. Spraying pipeline; 36. Nozzle ; 37, annular through groove; 38, through hole; 39, sealing cover; 40, spring; 41, cover plate.

detailed description

Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

An automatic cleaning reservoir, comprising a reservoir 1 with a cylindrical closed structure, which can effectively prevent rainwater, dust and other sundries from falling into the reservoir 1; the upper part of the reservoir 1 is provided with a water inlet 2, so A water inlet valve 3 is set at the water inlet 2, a water outlet 4 is set at the bottom of the water storage tank 1, a water outlet valve 5 is set at the water outlet 4, and a sewage outlet 6 is set at the bottom of the water storage tank 1. A sewage discharge valve 7 is set at the sewage outlet 6, and a small spare pool 8 is provided above the reservoir 1, which can provide water source for cleaning the reservoir 1 and ensure non-stop water during cleaning; it is characterized in that: the water storage The top of the pool 1 is provided with a manhole 9, the top of the manhole 9 is provided with a support 10, and the bottom of the support 10 is provided with an anchor support 11, and the support 10 is fixed on the top of the reservoir 1 by bolts in the anchor support 11, which can Ensure that the cleaning work is carried out stably; one side of the support 10 is provided with a motor 12, which can provide power for the cleaning work and replace manual cleaning; a motor controller 13 is provided on the motor 12, and a first Belt pulley 14, housing 15 is arranged below the bracket 10, the housing 15 is a cylindrical structure and penetrates into the interior of the reservoir 1 through the manhole 9, the bottom of the housing 15 is provided with a cover plate 41, the housing A second pulley 16 is arranged on the top of the body 15, and a belt 17 is arranged on the second pulley 16, and the second pulley 16 is connected with the first pulley 14 by a belt 17, and a fixed shaft 18 is arranged in the middle of the bracket 10, and the fixed shaft 18 is inserted into the housing 15, and at least one first bearing 19 is arranged on the fixed shaft 18, the inner ring of the first bearing 19 is connected with the fixed shaft 18, and the outer ring of the first bearing 19 is connected with the housing 15, so The first shaft sleeve 20 is arranged at the bottom of the fixed shaft 18, and the first bevel gear 21 is arranged below the first shaft sleeve 20. The first bevel gear 21 is connected to the fixed shaft 18 by a key, and the first bevel gear 21 A first nut 22 is arranged below, and the fixed shaft 19 is connected to the housing 15 through the first nut 22. The lower part of the housing 15 is provided with a rotating shaft 23, and at least one second bearing 24 is arranged on the rotating shaft 23. The outer ring of the second bearing 24 is connected with the housing 15, the inner ring of the second bearing 24 is connected with the rotating shaft 23, the second shaft sleeve 25 is arranged on the rotating shaft 23, and the second shaft sleeve 25 is arranged on one side of the second shaft sleeve 25. Two bevel gears 26, the second bevel gear 26 meshes with the first bevel gear 21, the second bevel gear 26 is connected on the rotating shaft 23 by a key, and the second bevel gear 26 is fixed on the rotating shaft 23 by a second nut 27 On the rotating shaft 23, a connecting sleeve 28 is arranged on one side of the rotating shaft 23, and one end of the connecting sleeve 28 is connected with the rotating shaft 23, and a leading screw 29 is arranged at the other end of the connecting sleeve 28, and a screw nut is arranged on the leading screw 29. 30. The cleaning rack 31 is set on the screw nut 30, the rotation of the motor 12 drives the rotation of the housing 15 around the fixed shaft 18, and through the bevel gear transmission, the rotating shaft 23 can realize the rotation around the axis and the rotation around the fixed shaft 18 at the same time , and then driven by the screw drive to clean The rotation and radial movement of the frame 31 can effectively reduce the width of the cleaning frame 31 under the premise of satisfying the cleaning range, and the cleaning frame 31 can be taken out after cleaning, which avoids the pollution of the cleaning frame 31 to the water body; the cleaning frame Brush 32 is set on 31, and support 33 is set at the upper and lower ends of the cleaning frame 31, which can ensure the stability in the rotation of cleaning frame 31; universal wheels 34 are set on the support 33, which can reduce the rotational resistance of the cleaning frame and improve cleaning. Efficiency; the water spray pipeline 35 is set on the cleaning rack 31, and the spray nozzle 36 is set on the water spray pipeline 35, which can simultaneously clean and clean the inner wall of the reservoir 1, replacing manual cleaning; the water storage The top of the inner wall of the pool 1 is provided with an annular through groove 37 compatible with the leading screw 29, the bottom of the annular through groove 37 is provided with a through hole 38, the through hole 38 is provided with a sealing cover 39, and the leading screw 29 is inserted into the reservoir 1 through the through hole 38 and one end is connected with the connecting sleeve 28, and the other end is inserted in the annular through groove 37, which can ensure the stability of the screw 29 in rotation.

A further feature of the present invention is that the cleaning frame 31 is made of stainless steel pipes, and the corners are connected by three-way valves. The cleaning frame 31 itself is used as the water spray pipeline 35, which can reduce the weight of the cleaning frame and improve cleaning efficiency.

A further feature of the present invention is that the cleaning rack 31 adopts a trapezoidal structure with the short side at the top, which can ensure no dead corners for cleaning.

A further feature of the present invention is that the universal wheel 34 is provided with a spring 40, so that the universal wheel can always contact the upper and lower surfaces of the reservoir, increasing the stability of cleaning.

A further feature of the present invention is that the bottom surface of the reservoir 1 is a spherical surface with a high middle and low surroundings, which can better collect sewage and facilitate the discharge of sewage.

In use of the present invention, determine the amount of water in the small spare pool 8 as required, and the small spare pool 8 is connected to the water spray pipeline 35 to provide a water source for the cleaning work, and to ensure the water for residents during cleaning, and close the water inlet of the water storage tank 1 2 and the water outlet 4, open the sewage outlet 6, open the manhole 9, put the assembled cleaning rack 31 into the reservoir 1 through the manhole 9, fix the bracket 10 above the manhole, and the housing on the bracket 10 15 is inserted into the reservoir 1 through the manhole 9, the sealing cover 39 is opened, the lead screw 29 is inserted into the reservoir 1 through the through hole 38, and the screw nut on the cleaning rack is first connected, and then the connecting sleeve 28 on the housing 15 is connected. The motor 12 is connected to the housing 15 through the belt 17 to complete the installation. The motor controller 13 controls the rotation speed, start-stop and forward and reverse of the motor 12 to clean. Cover, close the manhole, close the sewage outlet 6, open the water inlet 2, the water outlet 6, and complete the cleaning.

The present invention is equally applicable to the cleaning work of large cylindrical tank body.

Embodiment 1, the water storage tank is a cylindrical airtight structure, which can effectively prevent rainwater, dust and other sundries from falling into the water storage tank. The upper part of the water storage tank is provided with a water inlet, and the water inlet is provided with a water inlet valve. The lower part of the water storage tank is provided with a water outlet, the water outlet is provided with a water outlet valve, the bottom of the water storage tank is provided with a sewage outlet, the sewage outlet is provided with a sewage discharge valve, and a small spare pool, which can provide water source for cleaning the reservoir, and ensure non-stop water during cleaning; the top of the reservoir is provided with a manhole, the top of the manhole is provided with a bracket, and the bottom of the bracket is provided with a foot support, and the bracket passes through The bolts in the foundation support are fixed on the top of the reservoir; a motor is set on one side of the support, which can provide power for the cleaning work and replace manual cleaning; the motor controller is set on the motor, and the motor shaft is set on the second A belt pulley, a casing is arranged under the bracket, the casing is a cylindrical structure and penetrates into the interior of the reservoir through a manhole, a cover is arranged at the bottom of the casing, and the casing and the cover are connected by bolts , a second pulley is arranged on the top of the housing, a belt is arranged on the second pulley, the second pulley is connected to the first pulley through a belt, a fixed shaft is arranged in the middle of the bracket, and the fixed shaft is inserted into the housing, Two first bearings are arranged on the fixed shaft, the inner ring of the first bearing is connected with the fixed shaft, the outer ring of the first bearing is connected with the housing, a first bushing is arranged at the lower part of the fixed shaft, and the first A first bevel gear is arranged under a bushing, the first bevel gear is connected to the fixed shaft through a key, a first nut is arranged under the first bevel gear, and the fixed shaft and the housing are connected through the first nut, so The lower part of the casing is provided with a rotating shaft, and a second bearing is arranged on the rotating shaft, the outer ring of the second bearing is connected with the casing, the inner ring of the second bearing is connected with the rotating shaft, and the second bearing is arranged on the rotating shaft. A shaft sleeve, a second bevel gear is arranged on one side of the second shaft sleeve, the second bevel gear meshes with the first bevel gear, the second bevel gear is connected to the rotating shaft through a key, and the second bevel gear The second nut is fixed on the rotating shaft. A connecting sleeve is arranged on one side of the rotating shaft, and one end of the connecting sleeve is connected with the rotating shaft. The other end of the connecting sleeve is provided with a lead screw. The cleaning frame is set on the screw nut, and the rotation of the motor drives the rotation of the shell around the fixed shaft. The rotation around the axis and the rotation around the fixed shaft can be realized through the bevel gear transmission of the rotating shaft, which in turn drives the rotation and radial movement of the cleaning frame. The width of the cleaning frame can be effectively reduced under the premise of meeting the cleaning range, and the cleaning frame can be taken out after cleaning, avoiding the pollution of the water body by the cleaning frame; brushes are arranged on the cleaning frame, and the upper and lower ends of the cleaning frame are arranged The support can ensure the stability during the rotation of the cleaning frame; the universal wheels are arranged on the support, which can reduce the rotation resistance of the cleaning frame and improve the cleaning efficiency; the cleaning frame is provided with a water spray pipeline, and the water spray pipeline The nozzle is set to clean and clean the inner wall of the reservoir at the same time, replacing the method of manually entering the reservoir for cleaning; the inner wall of the reservoir The upper part is provided with a ring-shaped through groove suitable for the lead screw, the bottom of the ring-shaped through groove is provided with a through hole, and a sealing cover is arranged on the through hole, and the sealing cover is connected with the housing by bolts. The rod is inserted into the reservoir through the through hole, and one end is connected with the connecting sleeve, and the other end is inserted in the annular through groove, which can ensure the stability of the screw during rotation.

Embodiment 2, the storage tank is a cylindrical airtight structure, which can effectively prevent rainwater, dust and other sundries from falling into the storage tank; the bottom surface of the storage tank is a spherical surface with a high middle and low surroundings, which can better collect dirt. To facilitate the discharge of sewage; the upper part of the reservoir is provided with a water inlet, the water inlet is provided with a water inlet valve, the lower part of the reservoir is provided with a water outlet, and the water outlet is provided with a water outlet valve, and the water storage The bottom of the pool is provided with a sewage outlet, the sewage outlet is provided with a sewage valve, and a small spare pool is provided above the reservoir, which can provide water for cleaning the reservoir and ensure non-stop water during cleaning; the water reservoir The top of the pool is provided with a manhole, the top of the manhole is provided with a bracket, the bottom of the bracket is provided with a foot support, and the support is fixed on the top of the reservoir through the bolts in the support; one side of the support is provided with a motor, which can Provide power for cleaning work, instead of manual cleaning; the motor controller is set on the motor, the first pulley is set on the motor shaft, and the shell is set under the bracket. The shell is a cylindrical structure and passes through the human body The hole penetrates into the inside of the reservoir, the bottom of the housing is provided with a cover, the housing and the cover are connected by bolts, the top of the housing is provided with a second pulley, and a belt is provided on the second pulley. The second pulley is connected to the first pulley through a belt, a fixed shaft is arranged in the middle of the bracket, the fixed shaft is inserted into the housing, two first bearings are arranged on the fixed shaft, and the inner ring of the first bearing is connected to the fixed shaft , the outer ring of the first bearing is connected to the housing, a first bushing is arranged under the fixed shaft, a first bevel gear is arranged under the first bushing, and the first bevel gear is connected to the fixed shaft through a key , a first nut is arranged under the first bevel gear, the fixed shaft is connected to the casing through the first nut, a rotating shaft is arranged under the casing, a second bearing is arranged on the rotating shaft, and the second bearing The outer ring is connected to the casing, the inner ring of the second bearing is connected to the rotating shaft, a second bushing is arranged on the rotating shaft, a second conical gear is arranged on one side of the second bushing, and the second conical gear Mesh with the first bevel gear, the second bevel gear is connected to the rotating shaft through a key, the second bevel gear is fixed on the rotating shaft through a second nut, a connecting sleeve is arranged on the right side of the rotating shaft, and the connecting One end of the sleeve is connected with the rotating shaft, the other end of the connecting sleeve is provided with a screw, the screw is provided with a screw nut, and the screw nut is provided with a cleaning rack, the rotation of the motor drives the rotation of the housing around the fixed shaft, and is driven by a bevel gear. The rotating shaft can realize the rotation around the axis and the rotation around the fixed shaft at the same time, and then drive the rotation and radial movement of the cleaning frame, which can effectively reduce the width of the cleaning frame while meeting the cleaning range, and can be taken out for cleaning after cleaning. The cleaning frame avoids the pollution of the water body by the cleaning frame; the cleaning frame adopts a trapezoidal structure, the upper side is short, and the bottom side is long, which can ensure that there is no cleaning dead angle; the cleaning frame is provided with brushes, and the upper and lower ends of the cleaning frame are provided with supports. It can ensure the stability of the cleaning rack during rotation; universal wheels are arranged on the support, which can reduce the rotation resistance of the cleaning rack and improve cleaning efficiency; The spring is set so that the universal wheel can always contact the upper and lower surfaces of the reservoir to increase the stability of cleaning; the cleaning frame is made of stainless steel pipes, and the corners are connected by three-way valves. The cleaning frame itself is used as a water spray pipeline, which can Reduce the weight of the cleaning frame and improve the cleaning efficiency; the spray nozzle is set on the water spray pipeline, which can clean and clean the inner wall of the reservoir at the same time; the upper part of the inner wall of the reservoir is provided with a round An annular through groove, the bottom of the annular through groove is provided with a through hole, the through hole is provided with a sealing cover, the sealing cover is connected with the housing by bolts, and the leading screw is inserted into the reservoir through the through hole and one end is connected with the The connecting sleeve is connected, and the other end is inserted into the annular through groove, which can ensure the stability of the screw during rotation.

Claims (5)

1. null1. an automatic cleaning cistern，Cistern (1) including cylindrical hermetic structure，The top of described cistern (1) arranges water inlet (2)，Described water inlet (2) place arranges inlet valve (3)，The bottom of described cistern (1) arranges outlet (4)，Described outlet (4) place arranges flowing water Valve (5)，The bottom of described cistern (1) arranges sewage draining exit (6)，Described sewage draining exit (6) place arranges sewage draining valve (7)，Described cistern (1) be arranged over small-sized standby pool (8)，It is characterized in that: the top of described cistern (1) arranges manhole (9)，The top of described manhole (9) arranges support (10)，Described support (10) bottom arranges lower margin and supports (11)，The side of described support (10) arranges motor (12)，Described motor (12) arranges motor controller (13)，Described motor (12) rotating shaft arranges the first belt pulley (14)，Described support (10) be arranged below housing (15)，Described housing (15) penetrates cistern (1) inside for tubular structure and by manhole (9)，Described housing (15) bottom arranges cover plate (41)，Described housing (15) top arranges the second belt pulley (16)，Described second belt pulley (16) arranges belt (17)，Described second belt pulley (16) is connected by belt (17) with the first belt pulley (14)，In the middle of described support (10), fixing axle (18) is set，Described fixing axle (18) is inserted in housing (15)，Described fixing axle (18) arranges at least one clutch shaft bearing (19)，Described clutch shaft bearing (19) inner ring is connected with fixing axle (18)，Described clutch shaft bearing (19) outer ring is connected with housing (15)，Described fixing axle (18) bottom arranges the first axle sleeve (20)，Described first axle sleeve (20) is arranged below the first conical gear (21)，Described first conical gear (21) is connected on fixing axle (18) by key，Described first conical gear (21) is arranged below the first nut (22)，Described fixing axle (18) is connected by the first nut (22) with housing (15)，Described housing (15) bottom arranges rotation axle (23)，Described rotation axle (23) arranges at least one second bearing (24)，Described second bearing (24) outer ring is connected with housing (15)，Described second bearing (24) inner ring is connected with rotating axle (23)，Described rotation axle (23) arranges the second axle sleeve (25)，Described second axle sleeve (25) side arranges the second conical gear (26)，Described second conical gear (26) is engaged with the first conical gear (21)，Described second conical gear (26) is connected in rotation axle (23) by key，Described second conical gear (26) is fixed in rotation axle (23) by the second nut (27)，Described rotation axle (23) side arranges adapter sleeve (28)，Described adapter sleeve (28) one end is connected with rotating axle (23)，Described adapter sleeve (28) other end arranges leading screw (29)，Described leading screw (29) arranges screw (30)，Described screw (30) arranges rack for cleaning (31)，Described rack for cleaning (31) arranges brush (32)，Described rack for cleaning (31) arranges support (33) in two ends up and down，Described support (33) arranges universal wheel (34)，Described rack for cleaning (31) arranges water pipe (35)，Described water pipe (35) arranges shower nozzle (36)，The top of described cistern (1) inwall is provided with the annular groove (37) adapted with leading screw (29)，The bottom of described annular groove (37) arranges through hole (38)，Described through hole (38) arranges sealing lid (39).
2. 2. one according to claim 1 cleans cistern automatically, it is characterized in that, described rack for cleaning (31) adopts stainless steel tube manufacture, and corner adopts three-way valve to connect, and rack for cleaning (31) itself is as water pipe (35).
3. 3. one according to claim 1 cleans cistern automatically, it is characterized in that, described rack for cleaning (31) adopts minor face at upper trapezium structure.
4. 4. one according to claim 1 cleans cistern automatically, it is characterized in that, described universal wheel (34) arranges spring (40).
5. 5. the one according to claim 1 or 4 cleans cistern automatically, it is characterized in that, described cistern (1) bottom surface is the sphere that middle high surrounding is low.