阅读说明：本技术 多功能智能清洁器 (Multifunctional intelligent cleaner ) 是由 陶智明 吴振瑜 陈小毛 于 2018-07-31 设计创作，主要内容包括：本发明涉及多功能智能清洁器,具有外壳,所述外壳安装有行进组件以实现智能行驶,安装有清扫组件以便将尘屑清扫归拢,安装有吸尘组件以便将尘屑吸收,安装有拖地组件以便对地面进行拖地清洁。改进后的扫地机通过行进组件实现行驶路径的自动规划,且将清扫组件、吸尘组件以及拖地组件多种清洁功能集于一体,极大的减少人力成本。(The invention relates to a multifunctional intelligent cleaner, which is provided with a shell, wherein the shell is provided with a traveling assembly for realizing intelligent traveling, a cleaning assembly for cleaning and gathering dust, a dust absorption assembly for absorbing the dust, and a floor mopping assembly for mopping and cleaning the ground. The automatic planning of route is realized through the subassembly of marcing to the machine of sweeping the floor after the improvement, and will clean subassembly, dust absorption subassembly and the multiple clean function collection of subassembly of mopping in an organic whole, very big reduction human cost.)

1. The multifunctional intelligent cleaner is provided with a shell, the shell is provided with a traveling component to realize intelligent traveling, and is characterized in that the intelligent sweeper further comprises,

the cleaning assembly comprises a cleaning driving piece and a cleaning brush, and the cleaning driving piece is arranged in the shell; the cleaning brush is exposed at the bottom of the shell, is in transmission connection with the output end of the cleaning driving piece, and is driven by the cleaning driving piece to horizontally rotate for cleaning;

the dust collection assembly comprises a dust box and a negative pressure driving piece which are both arranged in a shell, the bottom of the shell is provided with a dust inlet communicated with the dust box, and the position of the dust inlet corresponds to the cleaning brush; the negative pressure driving piece is butted with the dust box and used for generating negative pressure to suck dust into the dust box through the dust inlet;

a mopping assembly including a cleaning tray, a mopping drive mounted in the housing; the cleaning disc is exposed at the bottom of the shell, is in transmission connection with the output end of the mopping driving piece, and is driven to rotate by the mopping driving piece so as to carry out mopping cleaning.

2. The multi-functional smart cleaner of claim 1, wherein: the advancing assembly comprises a guide wheel, a running wheel and a sensing device; the guide wheels are mounted at the front end of the bottom of the shell, the two running wheels are mounted on two sides of the middle of the shell, the two running wheels are provided with running driving pieces corresponding to the two running wheels respectively and used for realizing running steering matching, buffering elastic pieces are mounted on the running wheels, and the sensing device is mounted on the side wall face of the front end of the shell.

3. The multi-functional smart cleaner of claim 1, wherein: the cleaning brushes are respectively installed on two sides of the front end of the bottom of the shell, the dust inlet is positioned between the two cleaning brushes and is close to the back of the two cleaning brushes, and a baffle is arranged behind the dust inlet to enclose and block dust so as to suck the dust into the dust box.

4. The multi-functional smart cleaner of claim 1, wherein: an accommodating groove is formed in the concave of the top cover of the shell, and the dust collection box is detachably arranged in the accommodating groove; the holding tank is provided with a butt joint port between the dust inlet and the inlet end of the dust box.

5. The multi-functional smart cleaner of claim 4, wherein: the dust inlet extends into the shell, the dust inlet is inclined towards the rear end of the shell from bottom to top, and the end face of the dust inlet is inclined downwards from front to back; the front ends of the accommodating groove and the dust collection box are provided with inclined planes corresponding to the end faces of the dust inlet, and the inlet ends of the butt joint port and the dust collection box are arranged on the corresponding inclined planes; the dust collection driving piece is arranged at the rear end of the dust collection box.

6. The multi-functional smart cleaner of claim 1, wherein: the rear end of the shell is transversely provided with two cleaning discs side by side; the mopping driving piece is a gear box, a first gear set and a second gear set which are in transmission connection with a driving motor are arranged in the gear box, and output ends of the first gear set and the second gear set are respectively in transmission connection with one cleaning disc so as to control the two cleaning discs to rotate in different directions.

7. The multi-functional smart cleaner of claim 6, wherein: the first gear set and the second gear set are respectively meshed with two sides of the output gear of the driving motor, the number of gears of the first gear set and the second gear set is different by N, and N is singular.

8. The multi-functional smart cleaner of claim 6, wherein: the two cleaning discs are mirror images of each other and are obliquely arranged, so that the two cleaning discs and the cleaning surface form an inclined angle.

9. The multi-functional smart cleaner of claim 8, wherein: and a downwardly convex supporting column is arranged at the circle center of each cleaning disc.

10. The multi-functional smart cleaner of claim 6, wherein: the cleaning disc comprises a chuck and a water storage tank; wherein, the chuck assembles with the output of corresponding gear train, storage water tank detachable install in the chuck below, the bottom surface detachable of storage water tank installs cleaning cloth, is equipped with on the storage water tank and mends water hole, apopore, be equipped with in the apopore and be used for the infiltration piece with water drainage to cleaning cloth.

Technical Field

The invention relates to cleaning equipment, in particular to an intelligent sweeper.

Background

Cleaning equipment has become indispensable home assistant, and the current ordinary dust catcher that generally has can intelligent travel and clean, also has the electric mop of manual operation etc. to common dust catcher for example, it obtains peripheral environment information through sensing device, and controlling means carries out the planning of route according to the environmental information who obtains in order to realize direction, drive operation, because current dust catcher generally only possesses the dust absorption function, the user still need clean by oneself or mopping. And as a common electric mop, the electric mop cannot automatically run, needs to be held by a user for operation, and can only realize a single floor mopping function. In conclusion, the existing cleaning and sweeping equipment has single function and needs to be improved.

Disclosure of Invention

One technical problem that is solved in one aspect of the present disclosure is to provide an improved cleaning and sweeping apparatus, which has multiple cleaning functions.

The technical scheme adopted by the invention for solving the technical problems is as follows: the multifunctional intelligent cleaner is provided with a shell, the shell is provided with a traveling component to realize intelligent traveling, the intelligent sweeper further comprises a driving mechanism,

the cleaning assembly comprises a cleaning driving piece and a cleaning brush, and the cleaning driving piece is arranged in the shell; the cleaning brush is exposed at the bottom of the shell, is in transmission connection with the output end of the cleaning driving piece, and is driven by the cleaning driving piece to horizontally rotate for cleaning;

the dust collection assembly comprises a dust box and a negative pressure driving piece which are both arranged in a shell, the bottom of the shell is provided with a dust inlet communicated with the dust box, and the position of the dust inlet corresponds to the cleaning brush; the negative pressure driving piece is butted with the dust box and used for generating negative pressure to suck dust into the dust box through the dust inlet;

a mopping assembly including a cleaning tray, a mopping drive mounted in the housing; the cleaning disc is exposed at the bottom of the shell, is in transmission connection with the output end of the mopping driving piece, and is driven to rotate by the mopping driving piece so as to carry out mopping cleaning.

The multifunctional intelligent cleaner comprises the multifunctional intelligent cleaner, wherein the traveling assembly comprises a guide wheel, a traveling wheel and a sensing device; the guide wheels are mounted at the front end of the bottom of the shell, the two running wheels are mounted on two sides of the middle of the shell, the two running wheels are provided with running driving pieces corresponding to the two running wheels respectively and used for realizing running steering matching, buffering elastic pieces are mounted on the running wheels, and the sensing device is mounted on the side wall face of the front end of the shell.

As before the multi-functional intelligent cleaner, install respectively in shell bottom front end both sides the brush cleaner, go into the dirt mouth and be in between two brush cleaners and lean on the back, go into the dirt mouth rear and be equipped with the baffle in order to enclose the fender dirt bits so that inhale the dust case with it.

According to the multifunctional intelligent cleaner, the top cover of the shell is recessed to form an accommodating groove, and the dust collection box is detachably arranged in the accommodating groove; the holding tank is provided with a butt joint port between the dust inlet and the inlet end of the dust box.

According to the multifunctional intelligent cleaner, the dust inlet extends into the shell, the dust inlet is inclined from bottom to top to the rear end of the shell, and the end face of the dust inlet is inclined from front to back; the front ends of the accommodating groove and the dust collection box are provided with inclined planes corresponding to the end faces of the dust inlet, and the inlet ends of the butt joint port and the dust collection box are arranged on the corresponding inclined planes; the dust collection driving piece is arranged at the rear end of the dust collection box.

According to the multifunctional intelligent cleaner, the two cleaning discs are transversely arranged at the rear end of the shell side by side; the mopping driving piece is a gear box, a first gear set and a second gear set which are in transmission connection with a driving motor are arranged in the gear box, and output ends of the first gear set and the second gear set are respectively in transmission connection with one cleaning disc so as to control the two cleaning discs to rotate in different directions.

In the above multifunctional intelligent cleaner, the first gear set and the second gear set are respectively engaged with two sides of the output gear of the driving motor, and the number of the gears of the first gear set and the second gear set is different by N, where N is singular.

According to the multifunctional intelligent cleaner, the two cleaning discs are mutually mirrored and are obliquely arranged, so that an inclination angle is formed between the two cleaning discs and the cleaning surface.

According to the multifunctional intelligent cleaner, the circle center of each cleaning disc is provided with a support column protruding downwards.

The multifunctional intelligent cleaner comprises the cleaning disc, a water storage tank and a water outlet pipe, wherein the cleaning disc comprises a chuck and the water storage tank; wherein, the chuck assembles with the output of corresponding gear train, storage water tank detachable install in the chuck below, the bottom surface detachable of storage water tank installs cleaning cloth, is equipped with on the storage water tank and mends water hole, apopore, be equipped with in the apopore and be used for the infiltration piece with water drainage to cleaning cloth.

One advantageous effect brought by one aspect of the present disclosure: the improved cleaner realizes automatic planning of a running path through the advancing assembly, integrates multiple cleaning functions of the cleaning assembly, the dust suction assembly and the floor mopping assembly, and greatly reduces labor cost.

Drawings

Certain embodiments of the invention will now be described in detail, by way of example and not limitation, with reference to the figures, wherein like reference numerals identify identical or similar elements or portions. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.

In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the dust bin arrangement of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a rear end view of the present invention;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is a schematic view of a gearbox housing according to the present invention from a first perspective of explosion;

FIG. 7 is a schematic view of a gearbox housing according to the present invention from a second perspective of explosion;

FIG. 8 is a schematic view of the internal structure of the gear case of the present invention;

FIG. 9 is a schematic structural view of a gear assembly of the present invention;

FIG. 10 is a schematic view of a cleaning disc according to the present invention from a first perspective of explosion;

FIG. 11 is a schematic view of a cleaning disc according to the present invention from a second perspective of explosion;

FIG. 12 is a schematic view of a coaxial gear of the present invention;

the designations in the figures illustrate the following:

1. a housing; 101. a top cover; 1011. sealing the cover; 2. cleaning with a brush; 3. cleaning the disc; 301. a chuck; 3010. a transmission sleeve; 3011. clamping a plate; 302. a water storage tank; 3021. water replenishing holes; 3022. a card slot; 303. a water outlet hole; 3031. a water seepage part; 4. accommodating grooves; 40. a bevel; 41. a butt joint port; 5. a dust box; 6. a guide wheel; 7. a drive wheel; 8. a dust inlet; 80. a baffle plate; 9. a gear case; 901. an upper cover; 9010. a first gimbal ring; 902. a lower cover; 903. a through hole; 904. a socket cavity; 905. a motor; 9051. a first bevel gear; 9052. a second bevel gear; 906. a first gear set; 907. a second gear set; 908. a drive shaft; 909. a second gimbal ring; 910. a coaxial gear; 10. a sensing device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.

The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The existing dust collector generally comprises a shell, wherein a traveling assembly is arranged on the shell and comprises a control device, a sensing device, a guide assembly and a traveling assembly, the sensing device is connected with the control device and used for feeding back surrounding environment information, the control device is connected with the guide assembly and the traveling assembly, a traveling path of the guide assembly and the traveling assembly is planned according to the surrounding environment information, and dust collection operation is carried out in a reasonable mode. Before dust collection, a user is generally required to sweep away slightly large dust particles, and after dust collection, the user is required to mop the floor to complete the whole cleaning process.

The application provides an intelligent cleaner, as shown in the attached fig. 1-12, the multifunctional intelligent cleaner has a housing 1, the housing 1 is installed with a traveling assembly to realize intelligent traveling, the guiding assembly comprises a guide wheel 6, a guiding drive, a traveling wheel and a traveling drive, the guide wheel 6 is preferably installed at the front end of the bottom of the housing 1, two traveling wheels are installed at two sides of the middle of the housing 1, and the corresponding guiding drive and traveling drive are installed in the housing 1, and generally adopt motors.

The guide wheel 6 is arranged in the middle of the front end, a universal wheel is generally adopted, the driving direction of the whole sweeper is convenient to guide, balance can be effectively guaranteed, the driving wheel 7 serves as a main power source for driving of the whole sweeper and is distributed on two sides of the sweeper body, and equipment is stably pushed to drive. Preferably, the two running wheels have respective running drives for driving the running wheels in a coordinated manner, i.e. each of the two running wheels has a motor, one of which, upon reversal of direction, is commanded by the control device to slow, stop or reverse the running wheel, while the other running wheel is relatively fast or continuously running forward, thereby effecting a change in the direction of travel. Further, the driving wheel 7 is provided with a buffering elastic part, if a spring is arranged between the lower part of the bracket of the driving wheel 7 and the bottom wall of the shell 1, the spring can be compressed to facilitate climbing and can also play a role in buffering and protecting when being impacted by external force.

The sensing device 10 can be a plurality of photoelectric sensors, and is installed on the side wall surface of the front end in the housing 1, and the corresponding side wall surface of the front end of the housing 1 adopts an infrared mask to facilitate the normal operation of the sensors. The sensor at the front end can acquire the advancing environmental information as early as possible in the advancing process, so that the control device can make reasonable path planning in time.

The intelligence machine of sweeping the floor still includes:

the cleaning assembly comprises a cleaning driving piece and a cleaning brush 2, and the cleaning driving piece is arranged in the shell 1; the cleaning brush 2 is exposed at the bottom of the shell 1, is in transmission connection with the output end of the cleaning driving piece, and is driven by the cleaning driving piece to horizontally rotate for cleaning. Cleaning assembly laminating ground horizontal rotation under the control of cleaning the driving piece to realize the action of cleaning of dirt bits, cleaning brush 2 is preferred two, installs respectively in 1 bottom front end both sides of shell, and two cleaning brush 2 direction of rotation are different in specific working process, and look down the angle and see, left cleaning brush 2 clockwise rotation, cleaning brush 2 anticlockwise rotation on right side, two cleaning brushes 2 can inwards put together the dirt bits on ground from this.

The dust collection assembly comprises a dust box 5 and a negative pressure driving piece which are both arranged in a shell 1, a dust inlet 8 communicated with the dust box 5 is arranged at the bottom of the shell 1, and the position of the dust inlet 8 corresponds to the cleaning brush 2; the negative pressure driving member is in butt joint with the dust box 5 and used for generating negative pressure to suck dust into the dust box 5 through the dust inlet 8. Specifically, a motor can be used as a negative pressure driving member and installed at the rear portion of the dust box 5, the motor drives the blades to rotate at a high speed, and air negative pressure is generated in the dust box 5, so that dust collected by the sweeping brush 2 is sucked into the dust box 5 through the dust inlet 8.

When the dust is collected by the cleaning brush 2 to the position of the dust inlet 8, there is a possibility that part of the dust will not be sucked into the dust box 5, and the sweeper moves forward to the position of the dust inlet to be staggered with the part of the dust. To improve this problem, the dust inlet 8 is arranged between the two cleaning brushes 2 and behind the latter, and a baffle 80 is arranged behind the dust inlet 8 to enclose dust for sucking into the dust box 5. In the state that the sweeper continuously moves forwards, the baffle 80 can push the gathered dust to keep the dust at the position of the dust inlet 8 until the dust is sucked into the dust box 5.

A mopping assembly comprising a cleaning pan 3, a mopping drive mounted in the housing 1; the cleaning disc 3 is exposed at the bottom of the shell 1, is in transmission connection with the output end of the mopping driving piece, and is driven by the mopping driving piece to horizontally rotate so as to perform mopping cleaning. The number of the cleaning discs 3 is preferably two, the cleaning discs are transversely (leftwards and rightwards) arranged at the rear end of the shell 1 side by side, and after cleaning and dust collection, the cleaning discs 3 rotate along the ground to finish the mopping operation. Therefore, the single sweeper finishes three operations of sweeping, dust collection and mopping, and manpower resources are effectively saved.

In some embodiments, the top cover 101 of the housing 1 is recessed to form a receiving groove 4, and the dust collection box is detachably disposed in the receiving groove 4; the accommodating groove 4 is provided with a butt joint port 41 between the dust inlet 8 and the inlet end of the dust box 5. The dust box 5 often needs to be disassembled in order to dispose of accumulated dust, and for this operation, the dust box 5 is installed in a manner that the top cover 101 of the housing 1 is recessed, so that the operation is simplified compared with the case 5 installed inside the housing 1, in which the dust box 5 is located at a relatively exposed position.

The specific installation mode is as follows: for example, the dust box 5 is connected with the accommodating groove 4 by a buckling structure; as another example, the dust box 5 is detachably fixed in the accommodating groove 4 by other connecting members, such as screws. Above mounting means all can, the present case is preferred directly to fall into holding tank 4 with dust case 5, does not set up other connection structure between the two, and the dismouting is more simple and convenient swift. Preferably, a cover 1011 can be disposed on the accommodating groove 4, and the cover 1011 can be opened and closed by rotation, and is flush with the top cover 101 of the housing 1, so that the position of the dust box 5 can be limited, the dust box 5 can be protected, and the overall coordination of the appearance of the housing 1 can be maintained.

In some embodiments, the dust inlet 8 extends into the housing 1, the dust inlet 8 is inclined from bottom to top toward the rear end of the housing 1, and the end surface of the dust inlet 8 is inclined from front to back downward; the front ends of the accommodating groove 4 and the dust collection box are respectively provided with an inclined surface 40 corresponding to the end surface of the dust inlet 8, and the inlet ends of the butt joint port 41 and the dust collection box are respectively arranged on the corresponding inclined surfaces; the dust collection driving piece is arranged at the rear end of the dust collection box. The dust collection driving part generates backward suction force, the dust inlet 8 is inclined backwards and just coincides with the direction of the suction force, the accommodating groove 4 and the dust collection box are provided with corresponding inclined planes which can be matched with the dust inlet 8, the blocking of entering ways of dust on the structure is reduced, and the dust collection box is favorable for the dust to enter the dust box 5 quickly and smoothly.

In some embodiments, two cleaning discs 3 are laterally (left and right) mounted at the rear end of the housing 1 side by side, the mopping driving element adopts a gear box 9, the gear box 9 has a first gear set 906 and a second gear set 907 in transmission connection with a driving motor, and output ends of the first gear set 906 and the second gear set 907 are respectively in transmission connection with one cleaning disc 3 to control the two cleaning discs 3 to rotate in different directions. Viewed from a top view, preferably, the cleaning disc 3 on the left side rotates clockwise, the cleaning disc 3 on the right side rotates counterclockwise, and the two cleaning discs 3 rotate in different directions, so that the traveling stability of the sweeper is facilitated.

Preferably, the two cleaning discs 3 are mirror images of each other and are both mounted at an angle such that they form an angle of inclination with the cleaning surface, typically within 30 degrees. As can be seen from fig. 4, the outer sides of the two cleaning discs 3 are inclined downwards, the lower positions (outer sides) of the cleaning discs 3 are continuously contacted with the bottom surface for cleaning in the rotating process, and the inclined rotation of the cleaning discs 3 can convert the friction force between the lower positions and the ground into boosting force to help the sweeper to move. Furthermore, a supporting column protruding downwards is arranged at the circle center of the cleaning disc 3. The arrangement of the supporting columns enables the cleaning disc 3 to form two contact points with the ground, and the slipping phenomenon when the inclined cleaning disc 3 is in contact with the ground at a low position is improved.

In order to realize the opposite rotation of the two cleaning discs 3, the present disclosure preferably adopts a mode that the first gear set 906 and the second gear set 907 are respectively engaged with two sides of the output gear of the driving motor, and the number of the gears of the first gear set 906 and the second gear set 907 is different by N, where N is singular. The two gear sets are engaged on both sides of the same gear, and the number of gears differs by a single amount, so the rotation modes of the gears at the ends of the two gear sets will tend to be different, just as the gear ratio of the first gear set is one more than that of the second gear set as shown in fig. 9.

Specifically, the box body of the gear box 9 of the present application includes an upper cover 901 and a lower cover 902 assembled and fixed up and down, a cavity is formed in the box body to mount the two gear sets, the middle portion of the box body is recessed, a socket cavity 904 is formed at the recessed end face, and a motor 905 is mounted in the socket cavity 904 in a socket manner. Thereby, the structure of the case can be simplified and the assembly of the motor 905 is facilitated.

The output shaft of the motor 905 extends horizontally into a cavity in the tank, in which cavity the output shaft is fitted with a first bevel gear 9051, and the first bevel gear 9051 is fitted with a second bevel gear 9052 which is engaged with the first bevel gear 9051 and placed horizontally, so as to form a right-angle transmission relationship, converting the rotation of the motor in the longitudinal plane into rotation in the horizontal plane. The second bevel gear 9052 has a small cylindrical gear (i.e., a driving motor output gear) coaxial with the second bevel gear 9052, the two gear sets are respectively engaged with two sides of the small cylindrical gear, the gear sets preferably adopt coaxial gears 910 composed of a large cylindrical gear and a small cylindrical gear, the coaxial gears 910 of the structure can be vertically staggered while being engaged for transmission, the occupied space of the gear sets can be reduced, and the reduction of the device structure is facilitated.

In the process of driving the cleaning disc 3 to rotate, the gear is subjected to centrifugal force to act on the longitudinal direction to generate fluctuation, and the attachment of the cleaning disc 3 and the ground can be influenced. A first balance ring 9010 extending downwards can be arranged on the gearbox upper cover 901, a second balance ring 909 is arranged on an output wheel meshed with the tail end of the gear set, a gap with the same height exists between the first balance ring 9010 and the output wheel, a gap with the same height exists between the second balance ring 909 and the upper cover 901, the two gaps cannot interfere with the rotation of the output wheel, when the gear fluctuates up and down, the balance rings can be in contact with corresponding structures to prevent the fluctuation from further increasing, and the stable operation of the equipment is guaranteed.

A transmission shaft 908 which penetrates through a through hole 903 of the gearbox lower cover 902 is arranged below the output wheel, the transmission shaft 908 is generally polygonal, the cleaning disc 3 is matched with the transmission shaft 908 through a corresponding transmission sleeve 3010, and the cleaning disc 3 is obliquely arranged in various modes, for example, the butt joint surfaces of the transmission sleeve 3010 and the transmission shaft 908 can be made to be oblique, and the joint of the cleaning disc 3 and the transmission sleeve 3010 can be set to be in an oblique state.

In some embodiments, the cleaning plate 3 comprises a chuck 301, a water reservoir 302; wherein, set up on chuck 301 and drive the cover 3010 and cooperate with the transmission shaft 908 of output wheel, the water storage tank 302 is installed in chuck 301 below in the detachable. For example, the clamping plate 3011 is arranged below the chuck 301, the water storage tank 302 is provided with a clamping groove 3022 which can be assembled with the clamping plate 3011, the clamping plate 3011 and the clamping groove 3022 are used for buckling and matching the water storage tank 302, and the water storage tank 302 can be pulled down slightly with force during disassembly so as to perform water replenishing operation.

The bottom surface of the water storage tank 302 is detachably provided with a cleaning cloth, for example, the cleaning cloth is arranged by a magic tape so as to be replaced at any time. The water storage tank 302 is provided with a water replenishing hole 3021 and a water outlet hole 303, the water replenishing hole 3021 is generally arranged on the top surface of the water storage tank 302, the water outlet hole 303 is generally arranged at the bottom of the water storage tank 302, and a water seepage part 3031 for draining water to cleaning cloth is arranged in the water outlet hole 303. The water can be continuously drained to the cleaning cloth by the permeable running water mode, the defect that the water flow speed cannot be controlled by a single water hole structure is overcome, and the cleaning cloth is kept in a relatively balanced water-containing state.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.