WO2023109043A1

WO2023109043A1 - Handheld floor scrubber

Info

Publication number: WO2023109043A1
Application number: PCT/CN2022/098562
Authority: WO
Inventors: 万旭成; 陈铄庭; 黄志高
Original assignee: 深圳市追光智造科技有限公司
Priority date: 2021-12-13
Filing date: 2022-06-14
Publication date: 2023-06-22
Also published as: CN217524963U

Abstract

A handheld floor scrubber, comprising: a base assembly (1), the base assembly (1) being internally provided with a first rolling brush (11), a second rolling brush (12), a driving assembly and a v-shaped air duct (13). The driving assembly is respectively connected to the first rolling brush (11) and the second rolling brush (12), so as to drive the first rolling brush (11) and the second rolling brush (12) to rotate. The v-shaped air duct (13) comprises a first suction port (21), a second suction port (22) and a third suction port (23), the first suction port (21) being arranged towards one side of the first rolling brush (11), the second suction port (22) being arranged towards one side of the second rolling brush (12), and the first suction port (21), the second suction port (22) and the third suction port (23) mutually communicating; a handheld part (3), the handheld part (3) being held by a user, so as to control the operation of the handheld floor scrubber; and a spherical connecting part (2), the handheld part (3) being connected to the base assembly (1) by means of the spherical connecting part (2).

Description

Handheld scrubber

technical field

The present application relates to the technical field of surface cleaning equipment, in particular to a hand-held floor scrubber.

Background technique

In the existing hand-held washing machine, the dust and garbage are raised by the rolling of the roller brush, and the raised dust and garbage are sucked into the dirt box through the suction port, but whether a single roller brush or a double roller brush is used Roller scrubbers all adopt a single-suction scheme. When the single roller brush and the single suction port work together, the traveling wheel will inevitably adhere to the dirt on the ground during the movement, which will cause secondary pollution on the ground. When the double roller brush and the single suction port work together, the dust and garbage rolled up by the double roller brush cannot be sucked into the dirt box in time only through the single suction port, resulting in insufficient cleaning efficiency and poor cleaning effect. Thereby prior art still needs to improve and improve.

Contents of the invention

In view of the deficiencies of the prior art above, the purpose of the present application is to provide a hand-held scrubber, aiming to solve the problems of insufficient cleaning efficiency and poor cleaning effect of the scrubber in the prior art.

An embodiment of the present application provides a hand-held floor scrubber, including: a base assembly, a first roller brush, a second roller brush, a drive assembly and a herringbone air duct are arranged inside the base assembly, and the drive assembly It is suitable to be respectively connected with the first roller brush and the second roller brush to drive the rotation of the first roller brush and the second roller brush, and the herringbone air duct includes a first suction port and a second suction port and a third suction port, the first suction port is set toward one side of the first rolling brush, the second suction port is set toward the side of the second rolling brush, the first suction port, the second suction port communicate with the third suction port; the hand-held part is adapted to be held by the user to control the operation of the hand-held scrubber; and the spherical connection part, the hand-held part and the base assembly pass through Ball hitch connection.

In this embodiment, the hand-held floor washing machine has two rolling brushes, which can effectively roll up the dirt on the ground and clean the traveling traces of the traveling wheels, effectively avoiding secondary pollution and improving cleaning efficiency . Further, through the first suction port and the second suction port, the dirt rolled up by the two roller brushes can be vacuumed and collected respectively, and the rolled up dirt can be sucked into the dirt box of the hand-held floor scrubber as much as possible, optimizing the Cleaning effect.

In one embodiment, the herringbone air duct is arranged between the first roller brush and the second roller brush, the first suction port is arranged to face the first roller brush, and the second suction port is arranged to face The second rolling brush.

In one embodiment, the herringbone air duct is arranged on one side of the first roller brush or the second roller brush, and the first suction port and the second suction port are respectively located on the same side of the first roller brush and the second roller brush .

In one embodiment, the diameter of the first suction port is larger than the diameter of the second suction port.

In one embodiment, the driving assembly is suitable for driving the first rolling brush to rotate at a first rotational speed, and is suitable for driving the second rolling brush to rotate at a second rotational speed, and the rotational direction of the first rolling brush is The rotation direction is the same as or opposite to that of the second roller brush.

In one embodiment, the first rotational speed is the same as the second rotational speed, and the rotational direction of the first rolling brush is opposite to that of the second rolling brush.

In one embodiment, said first rotational speed is different from said second rotational speed.

In one embodiment, the handle is provided with a cleaning box and a dirt box, the cleaning box and the dirt box are detachably mounted on the handle, and the dirt box is connected to the third The suction port communicates and the clean tank is adapted to contain liquid.

In one embodiment, a fan is also provided on the handle, and the fan communicates with the dirt box. When the fan is running, a negative pressure is generated in the dirt box, so that the first roller The dirt rolled up by the brush and the second rolling brush can be sucked into the dirt box through the third suction port.

In one embodiment, the handheld scrubber further includes a dirt pipe, one end of the dirt pipe communicates with the third suction port, and the other end of the dirt pipe communicates with the dirt tank , when the fan is running, a negative pressure is generated at one end of the dirt pipe communicating with the dirt box, so that the dirt rolled up by the first roller brush and the second roller brush can pass through the second roller brush. Three suction ports are sucked into the dirt pipe and eventually collected in the dirt box.

In one embodiment, the handheld scrubber further includes a cleaning pipe, the cleaning box is connected to at least one first spray head and at least one second spray head through the clean pipe, and the at least one first spray head is arranged on the The position adjacent to the first rolling brush in the base assembly, the at least one second spray head is arranged in the position adjacent to the second rolling brush in the base assembly, and the liquid contained in the cleaning tank can pass through the The cleaning pipe reaches the at least one first spray head and the at least one second spray head, and the at least one first spray head and the at least one second spray head can respectively spray the arriving liquid to the first spray head One roller brush and the second roller brush on.

In one embodiment, the cleaning pipe is further provided with a pressure pump, and the pressure pump is adapted to pump the liquid contained in the cleaning tank to the at least one first spray head and the at least one first nozzle. At the second nozzle.

In one embodiment, the number of the at least one second spray head is at least 1 less than the number of the at least one second spray head.

In one embodiment, the number of the at least one second spray head is three.

In one embodiment, the liquid is water or a detergent solution.

In one embodiment, the handle is further provided with a control assembly, the control assembly is suitable for controlling the opening and closing of the blower or the operating power of the pressure pump or the at least one first nozzle and the Opening and closing of at least one second spray head.

In one embodiment, the hand-held floor scrubber further includes a transmission assembly, the transmission assembly is connected to the drive assembly, and the rotation assembly is also connected to the first roller brush and the second roller brush respectively .

In one embodiment, the herringbone air duct further includes: a first channel adjacent to the first suction port and communicating with the first suction port; a second channel adjacent to the first suction port; the second suction port and communicate with the second suction port; and a third channel, the third channel is adjacent to the third suction port and communicates with the third suction port, wherein the first channel, the The channel and the third channel communicate with each other, the first channel is arranged to have a first angle with respect to the third channel, the first angle is 90° to 180°, and the second channel is arranged to be opposite There is a second included angle in the third channel, and the second included angle is 90° to 180°.

The hand-held floor washing machine according to the embodiment of the present application is provided with a first roller brush and a second roller brush, and a first suction port for respectively collecting the dirt rolled up by the first roller brush and the second roller brush And the second suction port, which can avoid the secondary pollution during the use of the hand-held floor scrubber, improve the cleaning efficiency, and ensure a good cleaning effect.

Description of drawings

Fig. 1 is a schematic structural view of a hand-held scrubber according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a base assembly of a hand-held scrubber according to an embodiment of the present application.

Fig. 3 is a schematic bottom view of a base assembly of a hand-held scrubber according to an embodiment of the present application.

Fig. 4 is another structural schematic diagram of a hand-held scrubber according to an embodiment of the present application.

Detailed ways

In order to make the purpose, technical solution and effect of the present application more clear and definite, the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

It should be noted that, when an element is referred to as being “mounted on”, “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should also be noted that the orientation terms such as left, right, up, and down in the embodiments of the present application are only relative concepts or refer to the normal use state of the product, and should not be regarded as restrictive .

Please refer to FIG. 1 to FIG. 3 together. In one embodiment of the present application, a hand-held scrubber is provided, including: a base assembly 1, a handle 3 and a spherical connection part 2, wherein the handle 3 and The base assembly 1 is connected by a ball joint 2 . The base assembly 1 is provided with a first rolling brush 11, a second rolling brush 12, a driving assembly and a herringbone air duct 13, and the driving assembly is adapted to be respectively connected with the first rolling brush 11 and the second rolling brush 12, To drive the first rolling brush 11 and the second rolling brush 12 to rotate. The herringbone air duct 13 includes a first suction port 21 , a second suction port 22 and a third suction port 23 , the first suction port 21 is set toward the side of the first rolling brush 11 , and the second suction port 22 is set toward the side of the second rolling brush 12 , the first suction port 21 , the second suction port 22 and the third suction port 23 communicate with each other.

When the hand-held scrubber according to one embodiment of the present application is working, the user holds the handle 3 with his hand, so that the base assembly 1 is pressed against the surface to be cleaned (for example, the ground). Since the handle part 3 and the base assembly 1 are connected to each other through the ball joint 31 , the user can easily change the cleaning operation angle and flexibly adjust the cleaning posture. The first rolling brush 11 and the second rolling brush 12 rotate under the drive of the driving device to roll up the dirt (eg, dust, garbage particles, etc.) on the ground. The dirt rolled up by the first roller brush 11 is roughly sucked away by the first suction port 21, and the dirt rolled up by the second roller brush 12 is roughly sucked away by the second suction port 22. In this embodiment, at least one traveling wheel 4 is provided on the side of the base assembly 1 that is in contact with the surface to be cleaned, and the traveling wheel 4 is disposed between the first rolling brush 11 and the second rolling brush 12 . After the first roller brush 11 cleans the ground, the second roller brush 12 cleans the traveling traces of the traveling wheel 4, effectively avoiding secondary pollution, improving the cleaning efficiency and ensuring the cleaning effect.

In one embodiment of the present application, the driving assembly can be connected with the first rolling brush 11 and the second rolling brush 12 through a belt or a gear, and those skilled in the art should understand that the belt or gear is only exemplary. Other suitable rotation methods can also be used, which is not limited in the present application.

In one embodiment of the present application, the first rolling brush 11 includes a first bristle 111, the second rolling brush 12 includes a second bristle 121, the first bristle 111 and the second bristle 121 are arranged on the cylinder, the first bristle 111 and the second bristle 121 The hardness of the second bristles 121 can be the same or different.

Considering the different conditions of the surface to be cleaned, for example, the adhesion of wet garbage and dry garbage on the surface to be cleaned is different, in order to make the washing machine better adapt to various cleaning conditions, in one embodiment of the present application, The hardness of the first bristles 111 is greater than that of the second bristles 121 . The bristles with high hardness are not easy to deform compared with the bristles with low hardness, so the bristles with high hardness can better roll up the solid garbage on the ground, thereby improving the cleaning effect on dry garbage; while the bristles with low hardness can better It can roll up relatively soft garbage such as dust, and can also absorb moisture on the surface to be cleaned, thereby improving the cleaning effect of relatively soft garbage with moisture. In addition, through the cooperation of the first bristles 111 and the second bristles 121, different surfaces to be cleaned, such as walls and floors, can be cleaned without changing the roller brush, which is more convenient to use. In one embodiment, the first bristles 111 can utilize the hair-planting process to implant hard bristles on the outer surface of the cylinder, and the hard bristles can be selected from polypropylene bristles, nylon bristles, sisal bristles, etc.; The bristles 121 can be flannelette made of soft hair, sponge, sheepskin, wool, acrylic fiber, polyester and the like. Those skilled in the art should understand that the materials listed above are only exemplary, and suitable materials can also be selected for the first bristles 111 and the second bristles 121 according to actual needs, which is not limited in the present application.

In one embodiment of the present application, a sterilizing device (not shown in the figure) is also installed on the first rolling brush 11 or the second rolling brush 12 . Optionally, the sterilizing device can be a UV lamp or a spray bactericide. Specifically, when the sterilizing device is a UV lamp, the UV lamp is irradiated on the brush surface or/and the cleaning position of the brush on the surface to be cleaned; in the case where the sterilizing device is a spray bactericide, the spray bactericide can include chamber and atomizing device, the atomizing area of the atomizing device is also the cleaning position of the roller brush on the surface of the roller brush or/and the cleaning surface.

In one embodiment of the present application, a bactericide box (not shown) can also be installed on the first roller brush 11, and the bactericide box is electrolyzed water containing hypochlorous acid; There is antibacterial agent box, antibacterial box is silver ion antibacterial agent. Optionally, a bacteriostatic agent box can also be installed on the first rolling brush 11, and a bactericidal agent box can also be installed on the second rolling brush 12.

In one embodiment of the present application, the herringbone air duct 13 is arranged in the base assembly 1 between the first roller brush 11 and the second roller brush 12, and the first suction port 21 and the second suction port 22 are respectively facing the first One rolling brush 11 and the second rolling brush 12. By the first roller brush 11 and the second roller brush 12, the dirt (such as dust, garbage particles, etc.) is gathered between the first roller brush 11 and the second roller brush 12, and is drawn from the first suction port 21 and the second roller brush respectively. The suction port 22 sucks and collects through the third suction port 23 .

In one embodiment of the present application, the herringbone air duct 13 is arranged on one side of the first roller brush 11 or the second roller brush 12, and the first suction port 21 and the second suction port 22 are located at the first roller brush 11 and the second roller brush 12 respectively. The same side of the roller brush 12. The diameter of the first suction port 21 is larger than the diameter of the second suction port 22 . The suction ports of different diameters and the herringbone air ducts 13 of different lengths are adapted to dirt of different materials, so that the cleaning effect is better.

In an embodiment of the present application, the driving assembly may include a first driving member, and the first driving member is respectively connected to the first rolling brush 11 and the second rolling brush 12 through a transmission assembly. When the hand-held scrubber is working, the first driving member can drive the first roller brush 11 to rotate at a first rotation speed, and drive the second roller brush 12 to rotate at a second rotation speed. In this embodiment, the first rotation speed is the same as the second rotation speed, and the rotation direction of the first roller brush 11 is opposite to the rotation direction of the second roller brush 12, so that the first suction port 21 and the second suction port 22 are suitable for dust and garbage. Inhalation is more concentrated and easy to recycle.

In another embodiment of the present application, the driving assembly includes a second driving member and a third driving member, and the second driving member and the third driving member are respectively connected to the first rolling brush 11 and the second rolling brush 12 through a transmission assembly. When the hand-held scrubber is working, the second driving member drives the first roller brush 11 to rotate at a first rotational speed, and the third driving member drives the second roller brush 12 to rotate at a second rotational speed. In this embodiment, the first rotational speed is different from the second rotational speed, and the rotational directions of the first rolling brush 11 and the second rolling brush 12 are the same or opposite. Preferably, the first rotating speed of the first rolling brush 11 is greater than the second rotating speed of the second rolling brush 12, so that the first rolling brush 11 and the second rolling brush 12 can better clean up different garbage, and at the same time make the first rolling brush During the rotation of the brush 11 and the second rolling brush 12, the friction force between the first rolling brush 11 and the ground will be smaller than that of the second rolling brush 12 on the ground, so that the base assembly 1 is in the direction of one end of the first rolling brush 11 The hindering force received will be smaller than the hindering force received in the direction of one end where the second rolling brush 12 is located. When the user pushes the floor scrubber, no matter in which direction the base assembly 1 is pushed, the resistance felt by the user is basically the same, so as to ensure the smoothness of the user's push of the floor scrubber, and to avoid the inconsistent feeling of use due to the large difference in resistance. Poor user experience brought about. Preferably, the rotation directions of the first rolling brush 11 and the second rolling brush 12 are opposite, so as to further ensure that the user can have a consistent use feeling when using the floor scrubber.

Referring to FIG. 1 , in one embodiment of the present application, a cleaning box 32 and a dirt box 33 are also provided on the handle 3 . The cleaning box 32 and the dirt box 33 are detachably mounted to the handle 3 . The dirt tank 33 communicates with the third suction port 23, and the cleaning tank 32 is suitable for containing liquid.

In one embodiment of the present application, a fan 31 is also arranged on the handle 3, and the fan 31 communicates with the dirt box 33. The fan 31 can generate a vacuum negative pressure during operation, so as to suck the dirt rolled up by the first rolling brush 11 and the second rolling brush 12 into the dirt box 33 through the herringbone air duct 13 .

Referring to FIG. 4 , in one embodiment of the present application, the hand-held scrubber further includes a dirt pipe 331 . One end of the dirt pipe 331 communicates with the third suction port 23 , and the other end of the dirt pipe 331 communicates with the dirt tank 33 . When the blower fan 31 is in operation, a negative pressure is generated at one end of the dirt pipe 331 communicated with the dirt box 33, so that the dirt rolled up by the first rolling brush 11 and the second rolling brush 12 can be sucked into the dirt by the third suction port 23. The material pipe 331 is finally collected in the dirt box 33.

In an embodiment of the present application, the handheld part 3 further includes a control component capable of controlling the fan 31 to be turned on and off. The dirt pipe 331 is also provided with a humidity sensor, and the humidity on the dirt pipe 331 is monitored by the humidity sensor. When the humidity is too high, the blower fan 31 increases power, and when the humidity is too small, the blower fan 31 can reduce power to save energy. At the same time it is ensured that the dirt is sucked into the dirt box 33 .

Referring to FIG. 4 , in one embodiment of the present application, the hand-held floor scrubber further includes a cleaning pipe 321 through which the cleaning box 32 is connected to at least one first roller brush 11 and at least one second roller brush 12 . At least one first spray head is arranged in the base assembly 1 adjacent to the first rolling brush 11 , and at least one second spray head is arranged in the base assembly 1 adjacent to the second rolling brush 12 . The liquid contained in the cleaning tank 32 can reach at least one first spray head and at least one second spray head via the cleaning pipe 321 and at least one first spray head and at least one second spray head can spray the arriving liquid to the first roller brush respectively. 11 and the second rolling brush 12. In one embodiment of the present application, the cleaning pipe 321 is also provided with a pressure pump 34, and the pressure pump 34 is suitable for pumping the liquid contained in the cleaning tank 32 to the at least one first spray head and at least one second nozzle. Nozzle.

In one embodiment of the present application, the control assembly can also be used to control the operation of the pressure pump and the spray head. Spray water to the bristles of the first rolling brush 11 and the second rolling brush 12 through the nozzle, so that the fluff on the surface of the bristles can become moist after absorbing moisture. Compared with the dry bristles, the wet bristles can better clean the wet Rubbish. The spray heads are arranged on the first rolling brush 11 and the second rolling brush 12, and there are at least three first spray heads, and the number of the second spray heads is at least one less than the number of the first spray heads. The first spray head and the second spray head are respectively connected with the control assembly, and can be independently controlled by the control assembly, and then the humidity of the first roll brush 11 and the second roll brush 12 can be controlled respectively to meet the cleaning requirements of different occasions.

The herringbone air duct 13 includes: a first channel 130, the first channel 130 is adjacent to the first suction port 21 and communicates with the first suction port 21; a second channel 131, the second channel 131 is adjacent to the second suction port 22 and is connected to the second suction port 22; and a third channel 132, the third channel 132 is adjacent to the third suction port 23 and communicates with the third suction port 23. The first passage 130, the second passage 131, and the third passage 132 communicate with each other, the first passage 130 is arranged to have a first included angle α with respect to the third passage 132, the first included angle α is 90° to 180°, and the second The second channel 131 is arranged to have a second angle β with respect to the third channel 132 , and the second angle β is 90° to 180°. By adjusting the first included angle α and the second included angle β, the suction force of the fan 31 on dirt (eg, dust and garbage particles) can be adjusted.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims

A hand-held scrubber, comprising:

A base assembly (1), the base assembly (1) is provided with a first roller brush (11), a second roller brush (12), a drive assembly and a herringbone air duct (13), and the drive assembly is suitable for Connected with the first roller brush (11) and the second roller brush (12) to drive the first roller brush (11) and the second roller brush (12) to rotate, the herringbone wind The road (13) includes a first suction port (21), a second suction port (22) and a third suction port (23), and the first suction port (21) is arranged towards one side of the first roller brush (11), so The second suction port (22) is set towards one side of the second roller brush (12), and the first suction port (21), the second suction port (22) and the third suction port (23) communicate with each other ;

a hand-held part (3), the hand-held part (3) is adapted to be held by the user to control the operation of the hand-held floor scrubber; and

A spherical connection part (2), the handle part (3) is connected to the base assembly (1) through a spherical connection part (2).
The hand-held floor washing machine according to claim 1, wherein the herringbone air duct (13) is arranged between the first rolling brush (11) and the second rolling brush (12), and the first suction port (21) is arranged to face the first roller brush (11), and the second suction port (22) is arranged to face the second roller brush (12).
The hand-held floor washing machine according to claim 1, wherein the herringbone air duct (13) is arranged on one side of the first rolling brush (11) or the second rolling brush (12), and the first suction port (21) and the second suction port (22) are respectively located on the same side of the first rolling brush (11) and the second rolling brush (12).
The hand-held floor washing machine according to any one of claims 1, wherein the diameter of the first suction port (21) is larger than the diameter of the second suction port (22).
The hand-held floor scrubber according to claim 1, wherein the driving assembly is adapted to drive the first rolling brush (11) to rotate at a first rotational speed, and is suitable to drive the second rolling brush (12) Rotating at the second rotational speed, the rotation direction of the first rolling brush (11) is the same as or opposite to that of the second rolling brush (12).
The hand-held floor washing machine according to claim 5, wherein the first rotation speed is the same as the second rotation speed, and the rotation direction of the first rolling brush (11) is the same as that of the second rolling brush (12). The direction of rotation is opposite.
The hand-held scrubber according to claim 5, wherein the first rotational speed is different from the second rotational speed.
The hand-held floor washing machine according to claim 1, wherein a cleaning box (32) and a dirt box (33) are arranged on the handle (3), and the cleaning box (32) and the dirt box A tank (33) is detachably mounted to the handle (3), the dirt tank (33) communicates with the third suction port (23), and the cleaning tank (32) is suitable for containing liquid.
The hand-held floor washing machine according to claim 8, wherein a fan (31) is also provided on the hand-held part (3), and the fan (31) communicates with the dirt box (33), the When the fan (31) is in operation, a negative pressure is generated in the dirt box (33), so that the dirt rolled up by the first rolling brush (11) and the second rolling brush (12) can pass through the third rolling brush (11) and the second rolling brush (12). The suction port (23) is sucked in the dirt box (33).
The hand-held floor washing machine according to claim 9, wherein the hand-held floor washing machine further comprises a dirt pipe (331), one end of the dirt pipe (331) is connected to the third suction port (23) connected, the other end of the dirt pipe (331) communicates with the dirt box (33), and when the blower fan (31) is in operation, ) to generate a negative pressure at one end of the communication, so that the dirt rolled up by the first roller brush (11) and the second roller brush (12) can be sucked into the dirt pipe through the third suction port (23) (331), finally collected in the dirt box (33).
The hand-held floor washing machine according to claim 9, wherein the hand-held floor washing machine further comprises a cleaning pipe (321), and the cleaning box (32) is connected with at least one first nozzle and the cleaning pipe (321) through the cleaning pipe (321). At least one second spray head is connected, the at least one first spray head is arranged at a position adjacent to the first roller brush (11) in the base assembly (1), and the at least one second spray head is arranged on the base assembly (1) at a position adjacent to the second rolling brush (12), the liquid contained in the cleaning tank (32) can reach the at least one first spray head and the At least one second spray head and, and the at least one first spray head and the at least one second spray head can spray the arriving liquid to the first rolling brush (11) and the second rolling brush ( 12) on.
The hand-held floor washing machine according to claim 11, wherein a pressure pump (34) is further provided on the cleaning pipe (321), and the pressure pump (34) is suitable for cleaning the content of the cleaning tank (32) The liquid is pumped to the at least one first spray head and the at least one second spray head.
The hand-held floor scrubber according to claim 11, wherein the number of the at least one second spray head is at least one less than the number of the at least one second spray head.
The hand-held floor scrubber according to claim 11, wherein the number of the at least one second spray head is three.
The hand-held floor scrubber of claim 11, wherein the liquid is water or a detergent solution.
The hand-held floor washing machine according to claim 12, wherein a control assembly is further provided on the hand-held part (3), and the control assembly is suitable for controlling the opening and closing of the fan (31) or the pressure The operating power of the pump (34) or the opening and closing of the at least one first spray head and the at least one second spray head.
The hand-held floor washing machine according to claim 1, wherein the hand-held floor washing machine further comprises a transmission assembly, the transmission assembly is connected to the drive assembly, and the rotation assembly is also connected to the first roller The brush (11) is connected with the second rolling brush (12).
The hand-held floor washing machine according to claim 1, wherein the herringbone air duct (13) further comprises:

a first channel (130), the first channel (130) is adjacent to the first suction port (21) and communicates with the first suction port (21);

a second channel (131), the second channel (131) is adjacent to the second suction port (22) and communicates with the second suction port (22); and

a third channel (132), the third channel (132) is adjacent to the third suction port (23) and communicates with the third suction port (23),

Wherein, the first passage (130), the second passage (131), and the third passage (132) communicate with each other, and the first passage (130) is arranged to exist relative to the third passage (132) A first included angle, the first included angle is 90° to 180°, and the second channel (131) is arranged to have a second included angle relative to the third channel (132), the second included angle The angle is 90° to 180°.