WO2018177024A1

WO2018177024A1 - Floor brush and cleansing type vacuum cleaner having same

Info

Publication number: WO2018177024A1
Application number: PCT/CN2018/075096
Authority: WO
Inventors: 张志伟; 刘凯; 任怀强
Original assignee: 科沃斯机器人股份有限公司
Priority date: 2017-03-28
Filing date: 2018-02-02
Publication date: 2018-10-04
Also published as: CN108652519A

Abstract

Provided are a floor brush and a cleansing type vacuum cleaner having the same. The floor brush comprises: a floor brush main body (100) comprising a base (110) and a surface cover (120) connected in a snap-fit connection. The floor brush main body (100) is provided with a rolling brush (130) therein. Air inlets are arranged at the base (110). An air channel is arranged inside the floor brush main body (100). The air channel has a start end facing the air inlet and a distal end connected to an air inlet pipe (140). The air inlets include a front air inlet (111) and a rear air inlet (112) respectively arranged at the front and rear sides of the rolling brush (130). A front air channel (113) and a rear air channel (114) are provided correspondingly. The front air channel (113) and the rear air channel (114) are connected to the air inlet pipe (140) after converging behind the rolling brush (130). The floor brush is provided with double air inlets, double air channels, and an air channel spacer (115), which cooperate with front and rear dust-blocking members (1111, 1121) and side dust-blocking members (1101) to ensure balanced and uniform air flows and suction forces of the front and rear air inlets (111, 112). Such arrangement also prevents water sucked from the front air channel (111) from flowing back to the floor along an inner wall of the rear air channel (114), thereby improving suction performance of the floor brush, and increasing cleaning efficiency.

Description

Floor brush and its cleaning vacuum cleaner

Technical field

The invention relates to a cleaning dust cleaning brush and a cleaning vacuum cleaner thereof, and belongs to the technical field of small household appliance manufacturing.

Background technique

Cleaning the dust-absorbing brush as a unique item in the brush of the vacuum cleaner, and having the functions of vacuuming, absorbing water and cleaning. Most of the products on the market today are difficult to balance between cleaning and vacuuming functions. In the prior art, the air duct and the roller brush of the cleaning type ground brush are disposed independently of each other to form a front-rear position relationship. The sewage left on the back side of the roller brush to clean the ground requires the brush to be moved backwards to be inhaled by the air duct, and the forward movement cannot absorb the sewage. In this way, it is necessary to brush back and forth to achieve the function of vacuuming and absorbing water, which greatly reduces the efficiency of cleaning the ground and recovering sewage. Some products separate the clean water outlet from the brushing chamber, and the front end sprays water to the ground back end for cleaning. In this way, the user needs to keep moving the brush back and forth in order to make the roller brush use the supernatant water to clean the ground, and the work efficiency is low. At the same time, the residual sewage on the roller brush of this kind of product is only centrifuged and thrown out when it is rotated by the roller brush, which not only has poor drying effect, but also easily causes secondary pollution.

Summary of the invention

The technical problem to be solved by the present invention is to provide a cleaning dust suction brush and a cleaning vacuum cleaner thereof, a double air inlet, a double air passage and a duct divider, and cooperate with the front and rear gears. The dust sheet and the side dust-proof sheet make the flow and suction of the front and rear air inlets evenly balanced, and at the same time ensure that the water sucked from the front air passage can be absorbed to avoid returning to the ground along the inner wall of the rear air passage, which is beneficial to improving the suction force of the ground brush. Improve cleaning efficiency.

The technical problem to be solved by the present invention is achieved by the following technical solutions:

A ground brush comprises a ground brush body formed by fastening a ground brush base and a surface cover, wherein the ground brush body is provided with a roller brush, and the ground brush base is provided with an air inlet, and the ground brush body is provided a wind tunnel, the beginning end of the air duct is connected to the air inlet and the end is connected to the air inlet duct, and the air inlet port comprises a forward air outlet and a rear air inlet respectively disposed on the front and rear sides of the roller brush, and the air passage correspondingly is disposed. For the front air duct and the rear air duct, the front air duct and the rear air duct are connected to the air inlet duct after being merged behind the roller brush.

In order to effectively adjust the air flow of the front and rear air ducts, the flow and suction of the front and rear air inlets are evenly balanced. In addition, the water sucked from the front air duct can be absorbed and avoided along the rear air duct. The inner wall is returned to the ground, and the intersection of the front air duct and the rear air duct is provided with a duct partition, and the end of the air duct partition is adjacent to the air inlet duct.

In order to facilitate the fixing, the roller brush is disposed in the roller brush cavity, and the roller brush cavity is formed by the roller brush cover plate being fastened with the ground brush base.

In order to clean thoroughly, the front end of the forward tuyere is provided with a front dust-proof sheet, and the rear end of the rear air inlet is provided with a rear dust-proof sheet, and the front and rear dust-proof sheets are at least partially in contact with the working surface, and are brushed with the ground. Rotation occurs in the front and rear movements, and the grounding brush base is respectively provided with a limiting mechanism for restricting the rotation of the front and rear dustproof sheets, so that the front and rear dustproof sheets can maintain two states of vertical downward and inclined.

Specifically, the limiting mechanism includes a limiting slot respectively corresponding to the front and rear dustproof sheets, and the limiting slot is provided with a limiting cavity; the front and rear dustproofing pieces respectively comprise a rotating portion and a limiting end and a free end extending along the rotating portion toward the both ends; the rotating portion is disposed in the limiting slot, the limiting end protruding into the limiting cavity, the free end facing the working surface; more specifically The limiting cavity includes a vertical limiting wall, and inclined limiting walls respectively forming an angle with the vertical limiting wall, wherein the inclined limiting walls are respectively disposed in a counterclockwise direction and a clockwise direction.

The angle between the vertical limiting wall and the inclined limiting wall ranges from 0° to 60° as needed.

In addition, the ground brush base further includes side dustproof sheets on the left and right sides, and the side dustproof sheets are at least partially in contact with the working surface, in order to improve the suction force of the ground brush, prevent dust and waste water from leaking, and effectively improve cleaning efficiency. The front dust shield, the rear dust shield and the side dust shield surround the roller brush, the forward air inlet and the rear air inlet to form a sealed space.

According to the need, the brush body further comprises a roller brush water supply assembly, comprising a water pump, a water pipe and a water saving valve connected in sequence; a water channel is arranged above the roller brush cavity, and the water channel is respectively provided with a water saving valve Connected water inlets and spouts facing the brushing chamber.

In order to achieve self-cleaning of the roller brush, the inside of the roller brush cavity and the rear end of the roller brush are convexly provided with a stirring head toward the center of the roller brush, and the stirring head at least partially protrudes into the bristles of the roller brush; Hard material.

The present invention also provides a cleaning vacuum cleaner comprising an interconnected body and a floor brush, the floor brush being a floor brush as described above.

In summary, the present invention provides a ground brush and a cleaning vacuum cleaner, the arrangement of the double air inlet, the double air duct and the air duct divider, and the front and rear dust shields and the side dust shields, so that the front, The flow and suction of the rear air inlet are evenly balanced, and at the same time, the water sucked from the front air passage can be absorbed, and the inner wall of the rear air passage can be prevented from flowing back to the ground, which is beneficial to improving the suction force of the ground brush and improving the cleaning efficiency.

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

DRAWINGS

Figure 1 is a schematic view showing the structure of the brush of the present invention;

Figure 2 is a brush exploded view of the present invention;

Figure 3 is a cross-sectional view of the brush of the present invention;

Figure 4 is an enlarged view of a partial structure of Figure 3;

Figure 5 is an enlarged view of a partial structure of B of Figure 3;

Figure 6 is a schematic view showing the operation of the front and rear dust-shielding sheets when the brush advances according to the present invention;

7 is a schematic view showing the working direction of the front and rear dust-shielding sheets when the brush is retracted according to the present invention;

Figure 8 is a schematic structural view of the bottom surface of the brush of the present invention;

Figure 9 is a schematic structural view of a roller brush water supply assembly in the brush of the present invention;

Figure 10 is a cross-sectional view of the roller brush water supply assembly in the brush of the present invention.

detailed description

1 is a schematic view showing the outer shape of a brush according to the present invention; FIG. 2 is a view showing a brush exploded according to the present invention; and FIG. 3 is a cross-sectional view of the brush according to the present invention. As shown in FIG. 1 to FIG. 3, the present invention provides a floor brush comprising a ground brush body 100 which is fastened by a ground brush base 110 and a face cover 120. The ground brush body 100 is provided with a roller brush 130. The ground brush base 110 is provided with an air inlet. The ground brush body 100 is provided with a air duct. The beginning end of the air duct faces the air inlet, the end and the air inlet tube. The air inlets are respectively provided with a front air outlet 111 and a rear air inlet 112 respectively disposed on the front and rear sides of the roller brush 130, and the air passages are correspondingly disposed as a front air duct 113 and a rear air duct 114. The air duct 113 and the rear air duct 114 are connected to the air inlet duct 140 after the rear of the roller brush 130, so that the sucked dirt enters the vacuum cleaner through the ground brush joint 300, and functions as a cleaning function. Preferably, the front and rear air inlets are disposed on the front and rear sides of the roller brush, and are close to the roller brush, and the double air inlets are arranged, so that the sewage and dust particles on the front and rear sides of the roller brush can be sucked at the same time. No matter whether the brush moves forward or backward, the sewage will not remain on the ground, which greatly improves the cleaning efficiency.

A duct partition 115 is disposed at the intersection of the front duct 113 and the rear duct 114, and the end of the duct partition 115 is adjacent to the air inlet duct 140. The arrangement of the air duct divider can effectively adjust the air flow of the front and rear air ducts, so that the flow and suction of the front and rear air inlets are evenly balanced. In addition, it can effectively drain the wastewater and dust flowing in the front air duct, and also ensure that the water sucked from the front air passage can be absorbed to avoid returning to the ground along the inner wall of the rear air duct.

As shown in FIG. 2 and FIG. 3, the roller brush 130 is disposed in the roller brush cavity 131 and is disposed at a middle front end of the ground brush body 100. The roller brush cavity 131 is covered by the roller brush cover 132 and the ground brush. The base 110 is fastened together. The front end of the air inlet 111 is provided with a front dust-proof sheet 1111, and the rear end of the rear air inlet 112 is provided with a rear dust-proof sheet 1121, and the ground brush base 110 is respectively provided with a front and rear dust-proof sheet. The rotating limit mechanism enables the front and rear dust guards to maintain two states of vertical downward and inclined.

4 is an enlarged view of a partial structure of A of FIG. 3. As shown in FIG. 4, the limiting mechanism corresponding to the front dust-proof sheet 1111 includes a limiting slot 101, and the limiting slot is provided with a limiting cavity 102; the front dust-proof piece 1111 includes a rotating portion 01 and a rotating portion 01. The limit end 02 and the free end 03 extend to both ends. The rotating portion 01 is disposed in the limiting slot 101, and the limiting end 02 protrudes into the limiting cavity 102. The free end 03 faces the working surface, so that the front dustproof sheet 1111 can move with the brush. Rotate motion in the front and rear directions or limit the rotation motion. The front dust shield 1111 has a rotation range of 0°-60°. As shown in FIG. 3, since the limiting mechanism shown in FIG. 4 is the limiting slot 101 corresponding to the front dust shield 1111, more specifically, the limiting cavity includes a vertical limiting wall 103, and An inclined limiting wall 104 forming an angle with the vertical limiting wall 103, the inclined limiting wall 104 is disposed in a counterclockwise direction, and an angle range between the vertical limiting wall 103 and the inclined limiting wall 104 It is 0°-60°.

In order to enable the ground brush to move forward, the front dust-proof sheet 1111 is rotated backward and the rear dust-proof sheet 1121 is kept vertical; when the ground brush is moved backward, the rear dust-proof sheet 1111 is rotated forward and the front dust-proof sheet 1121 is kept vertical. For example, the limiting mechanism of the rear dust shield 1121 is just symmetrically disposed with the limiting mechanism of the front dust shield 1111. Fig. 5 is an enlarged view showing a partial structure of B of Fig. 3; As shown in FIG. 5, specifically, the limiting mechanism corresponding to the rear dust-shielding sheet 1121 includes a limiting slot 101' disposed on the grounding brush base 110, and the limiting slot is provided with a limiting cavity 102'; The rear dust shield 1121 includes a rotating portion 01' and a limiting end 02' and a free end 03' extending to both ends along the rotating portion; the rotating portion 01' is disposed in the limiting slot 101', the limiting end 02' protrudes into the limiting cavity 102', the free end 03' facing the working surface. More specifically, the limiting cavity 102' includes a vertical limiting wall 103', and a tilt limiting wall 104' forming an angle with the vertical limiting wall 103'. The inclined limiting wall 104' Arranged in a clockwise direction, the angle between the vertical limiting wall 103' and the inclined limiting wall 104' ranges from 0° to 60°.

Fig. 6 is a schematic view showing the operation of the front and rear dust-shielding sheets when the brush is advanced according to the present invention; and Figure 7 is a schematic view showing the working direction of the front and rear dust-shielding sheets when the brush is retracted according to the present invention. As shown in FIG. 6 and in conjunction with FIG. 7, when the ground brush moves forward, the front dust-proof sheet 1111 is subjected to the reverse frictional force of the ground, and the backward rotary motion is opened, and the large-particle dust and waste water enter the air inlet and the roller brush. Cavity 131. At this time, the rear dust-shielding sheet 1121 is also subjected to the reverse frictional force of the ground, and is to be rotated backward, but due to the limitation of the limiting mechanism on the ground brush base 110, the limiting end 02' is in the limiting cavity 102' The rear dust shield 1121 is constrained to be in a vertical state under the barrier of the cavity wall. At this time, the rear dust-proof sheet 1121 vertically scrapes the ground, and the dust and waste water which are not cleaned in time inside the ground brush are blocked inside the ground brush to prevent leakage and outflow. When the local brush moves backward, the rear dust shield 1121 is subjected to the reverse frictional force of the ground, and the forward rotational motion is opened. Large particles of dust and waste water enter the air inlet and the brushing chamber. At this time, the front dust-shielding sheet 1111 is subjected to the reverse frictional force of the ground, and also needs to be rotated forward. Due to the limitation of the limiting mechanism on the ground brush base 110, the limiting end 02 blocks in the cavity wall of the limiting cavity 102. Next, the front dustproof sheet 1111 is restricted to be in a vertical state. At this time, the front dust-proof sheet 1111 scrapes the ground vertically, and the dust and waste water which are not cleaned in time inside the ground brush are blocked inside the ground brush to prevent leakage and outflow.

The front and rear dust-proof sheets can rotate in the front and rear directions of the brush movement or limit the rotation motion, and the range of the motion range depends on the rotatable range of the limit end in the limiting cavity, that is, the limiting cavity The angle between the vertical limit walls 103, 103' and the tilt limit / 104, 104' in 102, 102'. Generally, the limiting end 02, 02' is blocked by the wall of the limiting cavity 102, 102', so that the front dustproof piece 1111 and the rear dustproof piece 1121 have a rotation range of 0°-60°. That is to say, the front and rear dust-proof sheets include two motion modes of vertical downward and rearward side and front side rotational movement. Due to the rotatable movement of the front and rear dust-proof sheets, the large-sized dust particles can easily enter the ground brush through the dust-proof sheet, thereby being sucked in by the air inlet, thereby effectively improving the dust-collecting ability.

Figure 8 is a schematic view showing the structure of the bottom surface of the brush of the present invention As shown in FIG. 8 , in addition to the front dust-proof sheet 1111 and the rear dust-proof sheet 1121 described above, the ground brush base 110 further includes side dust-proof sheets 1101 on the left and right sides, and the side dust-proof sheets are disposed, which is effective. The dust and waste water inside the floor brush are blocked from leaking from the side, and the high suction force of the roller brush chamber and the air inlet is maintained. The front dust-shielding sheet 1111, the rear dust-proof sheet 1121 and the side dust-proof sheet 1101 surround the roller brush 130, the forward air outlet 111, and the rear air inlet 112 to form a sealed space, which is advantageous for lifting the suction force and preventing dust. Waste water leaks, effectively improving cleaning efficiency. In addition, the front dust shield 1111, the rear dust shield 1121 and the side dust shield 1101 are at least partially in contact with the work surface, and the front dust shield 1111 and the rear dust shield 1121 are preferably made of a soft material, which is advantageous. Improves sealing while scrubbing the floor while protecting the floor.

9 is a schematic structural view of a roller brush water supply assembly in the brush of the present invention; and FIG. 10 is a cross-sectional view of the roller brush water supply assembly in the brush of the present invention. As shown in FIG. 9 and in conjunction with FIG. 10, the brush body 100 is further provided with a roller brush water supply assembly, including a water pump 201, a water pipe 202 and a water saving valve 203 connected in sequence; There is a water channel 204. The water channel is respectively provided with a water inlet 205 connected to the water saving valve and a water spray port 206 facing the rolling brush chamber. In order to facilitate the water supply to the roller brush 130, the water channel 204 and the water spray port 206 are disposed at the upper end of the ground brush, and the water spray port 206 is disposed at the top of the curved roller brush cover 132, which is favorable for the uniform flow of fresh water after flowing naturally in the water channel. The nozzle is ejected. In order to facilitate rapid and comprehensive wetting of the roller brush 130, the water channel 204 has a low side and a middle arched shape on both sides.

In order to enable the roller brush 130 to achieve self-cleaning during operation, the rear end of the roller brush 131 and the rear end of the roller brush 130 are convexly provided with a stirring head 133 toward the center of the roller brush, and the stirring head at least partially protrudes into the bristles of the roller brush. Inside, it plays the role of colliding, scraping and squeezing with the rolling brush. The setting of the stirring head causes the dust, particles and waste water remaining on the rolling brush to be shot down and crushed. The agitating head preferably uses a hard material to facilitate the service life and function of the agitating head.

Therefore, due to the front and rear relative positions of the water spout, the roller brush and the stirring head, the roller brush can not only effectively clean the ground, but also continuously clean itself. The cleaning efficiency of the roller brush is greatly improved, and the secondary pollution of the brushing sewage is effectively avoided.

As shown in Figures 2 and 3 and in conjunction with Figures 6-10, the working process of the present invention is as follows:

When the cleaner is in operation, the water pump 201 sucks the clean water from the clean water tank placed in the vacuum cleaner through the water pipe 202, and the water pump 201 pressurizes the water from the water inlet 205 into the water channel 204 through the flow control of the water saving valve 203. Due to the unique shape of the water channel 204, the clean water flows freely and uniformly in the water channel, and simultaneously sprays into the roller brush cavity 131 from the water spray port 206 to wet the roller brush 130. At this time, the roller brush 130 with clean water rotates at a high speed, scrapes and cleans with the ground, and simultaneously rolls up dust and particles on the ground. Since the ground is scraped at a high speed, waste water and dust particles remain on the rolling bristles, and the stirring head 133 provided in the rolling brush chamber 131 functions at this time. The stirring head 133 is continuously scraped and squeezed with the rolling bristles, and is squeezed by scraping, and the waste water and dust particles remaining on the rolling bristles are crushed and scraped off. The self-cleaning roller bristles continue to move upwards, and the water of the spout is again brought on to clean the ground, so that the cycle is repeated, and the ground is cleaned and self-cleaned.

When the local brush moves forward, the front dust-shielding sheet 1111 is subjected to the reverse frictional force of the ground, and is rotated backward, and the large-particle dust and the waste water enter the air inlet and the brushing chamber 131. At this time, due to the structural limit on the base of the ground brush, the rear dust-proof piece 1121 is defined in a vertical state, and the ground is scraped vertically, and dust and waste water which are not cleaned in time in the ground brush are blocked inside the ground brush to prevent leakage. .

When the local brush moves backward, the rear dust shield 1121 is subjected to the reverse frictional force of the ground, and the forward rotational motion is opened. Large particles of dust and waste water thus enter the air inlet and the brush chamber 131. At this time, the front dustproof sheet 1111 is subjected to the reverse frictional force of the ground and is rotated forward. Due to the structural limit on the base of the ground brush, the front dust-proof sheet 1111 is defined in a vertical state, and the ground is scraped vertically, and dust and waste water which are not cleaned in time inside the ground brush are blocked inside the ground brush to prevent leakage.

Due to the rotatable movement of the front and rear dust-proof sheets, the large-sized dust particles can easily enter the ground brush through the dust-proof sheet, thereby being sucked in by the air inlet, thereby effectively improving the dust-collecting ability. The waste water and dust left by the roller brush to clean the ground and the waste water and particles blocked by the stirring head are sucked through the front and rear air inlets. Waste water and dust particles enter the front and rear air passages from the front and rear air inlets. Finally, the wastewater and dust particles flowing in from the air duct merge into the air inlet pipe, and then enter the vacuum cleaner from the ground brush connector. Thereby, the function of vacuuming, absorbing and cleaning the dust cleaner, water absorption and cleaning is achieved.

In summary, the present invention provides a floor brush and a cleaning and vacuum cleaner thereof. The double air duct is provided on the front and rear sides of the roller brush, and the roller brush can be recovered at the same time regardless of the direction of the front and rear of the brush. At the same time, the rolling brush cavity is integrated with the water spout, and the roller brush is self-cleaning while cleaning the ground to ensure no secondary pollution; the mixing head is provided at the rear end of the brushing cavity, and the rolling brush and the stirring head collide after the cleaning is completed. Pressing, self-removing the residual waste water of the rolling brush, and cleaning and decontaminating in one. In addition, the present invention also provides a movable dust-proof sheet on the front and rear sides of the double air duct, which can introduce dust and waste water in the moving direction into the ground brush, and can block the sewage in the cleaning inside the ground brush without flowing out. At the same time, the work can be automatically recognized on the guiding and blocking functions. Therefore, the invention realizes diversification of products on the basis of simple structure, effectively improves the cleaning ability and cleaning efficiency of the product, and can achieve both cleaning and vacuuming.

Claims

A ground brush comprises a ground brush body (100) which is fastened by a ground brush base (110) and a surface cover (120), wherein the ground brush body is provided with a roller brush (130), and the ground brush base An air inlet is provided in the upper opening, and a wind tunnel is disposed in the ground brush body. The beginning end of the air duct is connected to the air inlet and the end is connected to the air inlet tube (140), wherein the air inlet port is respectively disposed on the roller The front air inlet (111) and the rear air inlet (112) are brushed on the front and rear sides, and the air passages are correspondingly arranged as a front air duct (113) and a rear air duct (114), and the front air duct and the rear air duct are After the roller brush meets the intersection, it is connected to the air inlet pipe.
A brush according to claim 1, wherein a boundary of said front air duct (113) and rear air duct (114) is provided with a duct partition (115), and the end of said duct partition is near The air inlet duct (140).
The floor brush according to claim 2, wherein the roller brush (130) is disposed in the brush cavity (131), and the roller brush cavity is covered by the roller cover plate (132) and the ground brush base (110) buckled.
The floor brush according to claim 2, wherein the front end of the forward air outlet (111) is provided with a front dust shield (1111), and the rear end of the rear air inlet (112) is provided with a rear dust shield ( 1121), the front and rear dust-proof sheets are at least partially in contact with the working surface, and rotate with the front and rear movements of the brush, and the ground brush base (110) is respectively provided with the front and rear dust-proofing The limiting mechanism for rotating the sheet enables the front and rear dust-proof sheets to maintain two states of vertical downward and inclined.
The floor brush according to claim 4, wherein the limiting mechanism comprises a limiting slot (101, 101') corresponding to the front dust shield (1111) and the rear dust shield (1121), respectively. a limiting cavity (102, 102') is disposed in the limiting slot; the front and rear dustproofing pieces respectively comprise a rotating portion (01, 01') and a limiting end extending along the rotating portion to both ends (02, 02) ') and free end (03,03');

The rotating portion is disposed in the limiting slot, the limiting end protrudes into the limiting cavity, and the free end faces the working surface;

The limiting cavity includes vertical limiting walls (103, 103') and inclined limiting walls (104, 104') respectively forming an angle with the vertical limiting wall, the inclined limiting walls respectively facing counterclockwise And set clockwise.
A floor brush according to claim 5, wherein the angle between the vertical limiting wall (103, 103') and the inclined limiting wall (104, 104') ranges from 0° to 60°.
The floor brush according to claim 4, wherein the floor brush base (110) further comprises side dust sheets (1101) on the left and right sides, the side dust sheets being at least partially and the work surface In contact, the front dust shield (1111), the rear dust shield (1121) and the side dust shield surround the roller brush (130), the forward air outlet (111), and the rear air inlet (112) to form a closed space. .
The floor brush according to claim 2, wherein the brush body (100) further comprises a roller brush water supply assembly, comprising a water pump (201), a water pipe (202) and a water saving valve ( 203); above the rolling brush chamber (131) is provided with a water channel (204), the water channel is respectively provided with a water inlet (205) connected to the water saving valve and a water spray port (206) facing the rolling brush chamber.
The floor brush according to claim 8, wherein a rear end of the roller brush (131) and a rear end of the roller brush (130) are provided with a stirring head (133) toward the center of the roller brush, and the stirring head is at least partially Extend into the bristles of the roller brush;

The stirring head preferably uses a hard material.
A cleaning vacuum cleaner comprising an interconnected body and a floor brush, wherein the floor brush is a floor brush according to any one of claims 1-9.