CN218960644U - Floor brush for wet cleaning equipment - Google Patents

Abstract

The application relates to a floor brush for a wet cleaning device, having a floor brush body, be equipped with first cleaning portion and scraping mechanism on the floor brush body, scraping mechanism includes: a scraping part which is arranged behind the first cleaning part along the advancing direction of the floor brush; wherein the scraping portion has a scraping end, the scraping portion being movable relative to the floor brush main body such that the scraping end is movable between a contact state in contact with a surface to be cleaned and a separation state in which the scraping end is separated from the surface to be cleaned. The utility model realizes the integration of the hard floor cleaning and carpet cleaning functions on one floor brush, saves the purchase cost of users and improves the experience of users.

Description

Floor brush for wet cleaning equipment

Technical Field

The application belongs to the technical field of floor cleaning equipment, and particularly relates to a floor brush for wet cleaning equipment.

Background

Currently common cleaning devices are hard floor cleaning devices and carpet cleaning devices. Because of the different softness and smoothness of the hard floor and carpet surfaces, the hard floor cleaning device and the carpet cleaning device have different structures such as floor brushes. For example, the hard floor cleaning device comprises a floor brush assembly and a wiper strip assembly, wherein the wiper strip assembly is arranged at the rear side of the floor brush assembly and is in interference contact with the ground, and in the process of pushing and pulling the cleaning device back and forth, the whole cavity of the floor brush assembly is ensured to be better sealed, and water stains cannot overflow, so that the hard floor is cleaned; the carpet cleaning device comprises a carpet brush and a water absorbing and scraping component, the carpet brush rolls to clean the interior of the carpet, sewage is absorbed by the water absorbing and scraping component through the fan component, and a suction port of the water absorbing and scraping component is close to the carpet enough to absorb the sewage in the carpet. Therefore, the wiper strip assembly of the hard floor cleaning device is in interference contact with the hard floor, the water absorbing and scraping assembly of the carpet cleaning device is close to the carpet, namely, the water absorbing and scraping assembly is in non-interference contact with the carpet, and the contact modes of the wiper strip assembly and the water absorbing and scraping assembly and the surface to be cleaned are different, so that the wiper strip assembly and the water absorbing and scraping assembly are difficult to be arranged on the same floor brush main body at the same time. If a user wants to clean a hard floor and a carpet at the same time, two independent cleaning devices are needed, so that the purchase cost is high, the two devices are needed to be operated respectively, and the cleaning experience is poor.

Disclosure of Invention

In view of the above analysis, the present utility model aims to provide a floor brush for a wet cleaning apparatus, which solves the above problems in the prior art.

The purpose of the utility model is realized in the following way:

a floor brush for a wet cleaning apparatus, the floor brush having a floor brush body provided with a first cleaning portion and a scraping mechanism, the scraping mechanism comprising:

a scraping part which is arranged behind the first cleaning part along the advancing direction of the floor brush;

wherein the scraping portion has a scraping end, the scraping portion being movable relative to the floor brush main body such that the scraping end is movable between a contact state in contact with a surface to be cleaned and a separation state in which the scraping end is separated from the surface to be cleaned.

Further, the scraping portion is provided on the floor brush main body by a driving mechanism configured to be able to drive a scraping end of the scraping portion to switch between the contact state and the separation state.

Further, the driving mechanism comprises a rotating shaft and a driving piece fixedly connected with the rotating shaft, the rotating shaft is rotationally arranged on the ground brush main body, and the scraping part is fixedly arranged on the rotating shaft.

Further, the driving piece is a manual driving rod, a first end of the manual driving rod is fixedly connected with one end of the rotating shaft, a second end of the manual driving rod is provided with a user operation part, and the manual driving rod is driven by a user to drive the scraping end to switch between the contact state and the separation state.

Further, a fan-shaped groove is formed in the side wall of the floor brush, and the fan-shaped groove is provided with a first groove wall and a second groove wall which are radially arranged;

the rotating shaft penetrates out of the top point of the fan-shaped groove;

the manual driving rod is arranged in the fan-shaped groove and can swing in the fan-shaped groove;

when the manual driving rod is in contact with the first groove wall, the scraping end of the scraping part is in interference contact with the surface to be cleaned; when the manual drive lever is in contact with the second groove wall, a maximum separation gap is achieved between the scraping end of the scraping portion and the surface to be cleaned.

Further, the central angle of the fan-shaped groove is 80-120 degrees.

Further, the driving mechanism further includes a state maintaining member connected between the scraping portion and the floor brush main body, the state maintaining member configured to maintain the scraping end in interference contact with the surface to be cleaned; and/or

The driving mechanism comprises a limiting structure for maintaining the scraping end in the separation state, and the limiting structure comprises a limiting groove and a limiting protrusion which are matched with each other.

Further, the driving mechanism comprises a slideway, and the scraping part is arranged on the floor brush main body through the slideway;

the scraping part moves along the slideway to approach to or separate from the surface to be cleaned so as to realize the switching of the scraping end and the surface to be cleaned between an interference contact state and a separation state.

Further, when the scraping end is in interference contact with the surface to be cleaned, the angle between the plane of the scraping end and the surface to be cleaned in the advancing direction is an obtuse angle.

Further, the driving mechanism is driven manually or electrically.

Further, the scraping width of the scraping end is greater than or equal to the cleaning width of the first cleaning portion.

Further, the floor brush main body is provided with a cavity, the floor brush main body is also provided with a second cleaning part and a cleaning part adjusting mechanism, the first cleaning part and the second cleaning part are arranged in the cavity, and the cleaning part adjusting mechanism can adjust the positions of the first cleaning part and/or the second cleaning part so as to enable the floor brush to be switched between a first cleaning state and a second cleaning state;

when the floor brush is in the first cleaning state, the scraping end of the scraping part is in interference contact with the surface to be cleaned; the scraping end of the scraping portion is separated from the surface to be cleaned when the floor brush is in the second cleaning state.

Compared with the prior art, the floor brush for the wet cleaning equipment has the advantages that the distance between the scraping end of the scraping part and the floor to be cleaned can be adjusted, and the hard floor cleaning and carpet cleaning functions can be integrated on one floor brush, so that the floor brush for the cleaning equipment is more compact in structure, simple to operate, convenient and reliable, the purchasing cost of a user is saved, and the user experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic cross-sectional structure of a floor brush for a wet cleaning apparatus according to the present utility model;

FIG. 2 is a first angular schematic view of a floor brush for a wet cleaning apparatus according to the present utility model;

FIG. 3 is a schematic view of the interior first angle of a floor brush for a wet cleaning apparatus of the present utility model;

FIG. 4 is a second internal angular schematic view of a floor brush for a wet cleaning apparatus of the present utility model;

fig. 5 is a schematic structural view of the scraping portion of the present utility model.

Reference numerals:

1-a first cleaning section; 2-a second cleaning section; 3-scraping part; 31-a rotating shaft; 32-a manual drive lever; 33-scraping end; 4-a fan-shaped groove; 41-a first groove wall; 42-a second groove wall; 5-a soil pick-up switching assembly; 6-a liquid supply switching assembly; 7, water sucking and scraping; 71-a water suction port; 72-a body; 73-a housing; 74-moving body.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

For the purpose of facilitating an understanding of the embodiments of the present application, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, in which the embodiments are not intended to limit the embodiments of the present application.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "coupled" should be interpreted broadly, for example, as being fixedly coupled, as being detachably coupled, as being integrally coupled, as being mechanically coupled, as being electrically coupled, as being directly coupled, as being indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.

Example 1

In one embodiment of the present utility model, as shown in fig. 1 to 4, there is disclosed a floor brush for a wet cleaning apparatus, the floor brush having a floor brush main body on which a first cleaning portion 1 and a scraping mechanism are provided, the scraping mechanism including a scraping portion 3, the scraping portion 3 being provided behind the first cleaning portion 1 in a forward direction of the floor brush;

wherein the scraping portion 3 has a scraping end 33, the scraping portion being movable relative to the floor brush body such that the scraping end 33 is movable between a contact state in contact with the surface to be cleaned and a separation state separated from the surface to be cleaned. Therefore, the scraping part 3 can be adjusted to a proper position according to different use requirements, the cleaning effect of the floor brush is improved, and the application range of the floor brush is enlarged.

In the embodiment, the floor brush main body is provided with a cavity; the floor brush main body is also provided with a second cleaning part 2 and a cleaning part adjusting mechanism, the first cleaning part 1 and the second cleaning part 2 are arranged in the cavity, and the cleaning part adjusting mechanism can adjust the position of the first cleaning part 1 and/or the second cleaning part 2 so as to enable the floor brush to be switched between a first cleaning state and a second cleaning state; when the floor brush is in the first cleaning state, the scraping end 33 of the scraping part 3 is in interference contact with the surface to be cleaned; when the floor brush is in the second cleaning state, the scraping end 33 of the scraping portion 3 is separated from the surface to be cleaned.

In this embodiment, the first cleaning part 1 is disposed in the cavity and protrudes from the bottom end surface of the floor brush body, and is configured to clean a hard floor; the second cleaning part 2 is arranged in the cavity and protrudes out of the bottom end surface of the floor brush main body, and is configured to clean carpets.

In this embodiment, the floor brush for the wet cleaning apparatus further includes a first fluid passage, a second fluid passage, and a fluid passage switching mechanism; wherein the first fluid passage is communicated with the first cleaning part 1 and is configured to supply liquid to the first cleaning part 1 and recover dirt cleaned by the first cleaning part 1; a second fluid passage communicating with the second cleaning part 2 and configured to supply liquid to the second cleaning part 2 and recover dirt cleaned by the second cleaning part 2; the fluid passage switching mechanism is connected to the first fluid passage and the second fluid passage, and is configured to put one of the first fluid passage and the second fluid passage in a communication state and put the other in a closed state.

When the first cleaning part 1 works, the first fluid passage is in a communicated working state, the second fluid passage is in a disconnected state, and the scraping end 33 of the scraping part 3 is in interference contact with the surface to be cleaned; when the second cleaning portion 2 is operated, the second fluid passage is in a communicating operation state, the first fluid passage is in a disconnected state, and the scraping end 33 of the scraping portion 3 is separated from the surface to be cleaned.

Compared with the prior art, the floor brush for the wet cleaning equipment is integrated with two sets of cleaning mechanisms, two cleaning states of fluid passages are switched through the fluid passage switching mechanism, the same brush head can be used for cleaning two different types of floors, the cleaning equipment is not required to be replaced or the floor brush is not required to be replaced, and the cleaning experience of a user is improved. The scraping part 3 matched with the first cleaning part is adjustable in distance with the surface of the hard floor to be cleaned, so that when the first cleaning part 1 of the floor brush works, the scraping end 33 of the scraping part 3 is in interference contact with the surface to be cleaned, better tightness is ensured, and water stains are prevented from overflowing; when the second cleaning part 2 cleans the carpet, the scraping part 3 is not required to be used, the scraping end 33 of the scraping part 3 is adjusted to be separated from the surface of the carpet to be cleaned, unnecessary friction resistance between the floor brush scraping part and the carpet is reduced, cleaning operation is more labor-saving, and user experience is improved.

In this embodiment, the first cleaning part 1 comprises a lint brush for cleaning a hard floor, and the second cleaning part 2 comprises a brush for cleaning a felt.

In this embodiment, the first fluid passage includes a first liquid supply passage and a first dirt suction passage, and the first cleaning portion 1 is respectively communicated with the liquid supply portion and the recovery portion of the cleaning device through the first liquid supply passage and the first dirt suction passage; the second fluid passage comprises a second liquid supply passage and a second dirt suction passage, and the second cleaning part 2 is respectively communicated with the liquid supply part and the recovery part of the cleaning equipment through the second liquid supply passage and the second dirt suction passage.

In one alternative embodiment, the first and second liquid supply paths have a common liquid supply path section, which communicates with the liquid supply of the cleaning device; the first dirt pickup passage and the second dirt pickup passage have a common dirt pickup passage section that communicates with the recovery section of the cleaning apparatus. The liquid supply passage and the dirt suction passage in the two modes are arranged to have a shared part, so that the structure of the equipment is more compact, the excessive pipelines are prevented from occupying the volume in the main body of the floor brush, and the miniaturization of the equipment is facilitated.

In one alternative embodiment, the fluid pathway switching mechanism includes a soil pick-up switching assembly 5 and a liquid supply switching assembly 6; the dirt sucking and switching assembly 5 is arranged at the upstream of the shared dirt sucking passage section, for example, at the inlet of the shared dirt sucking passage section, and is used for enabling one of the first dirt sucking passage and the second dirt sucking passage to be in a communicating working state, and the other one of the first dirt sucking passage and the second dirt sucking passage to be in a closing state; the liquid supply switching component 6 is arranged at the upstream of the shared liquid supply passage section, such as at the inlet of the shared liquid supply passage section, and is used for enabling one of the first liquid supply passage and the second liquid supply passage to be in a communicating working state, and the other liquid supply passage to be in a closing state.

In another alternative embodiment, the fluid passage switching mechanism includes a plurality of switches arranged independently, that is, the first liquid supply passage, the second liquid supply passage, the first dirt suction passage, and the second dirt suction passage are respectively provided with switches controlled independently, so as to control the opening and closing of the passages, so as to respectively cooperate with the first cleaning part 1 and the second cleaning part 2 for cleaning operation. The switch can be a mechanical switch controlled manually or an electromagnetic switch controlled by an electric appliance, and preferably, the switch is an electromagnetic switch so as to improve the automatic control of the cleaning equipment.

In this embodiment, the scraping portion 3 is provided on the floor brush body by a driving mechanism, and the distance between the scraping end 33 of the scraping portion 3 and the surface to be cleaned is adjustable, that is, the driving mechanism is configured to control the scraping end 33 of the scraping portion 3 to switch between two states of interference contact and separation with the surface to be cleaned. Wherein the driving mechanism is driven manually or electrically.

Further, the motion track of the scraping part driven by the driving mechanism is a straight line or a curve. That is, the driving mechanism drives the scraping portion 3 to perform a linear motion or a curved motion, and can move the scraping end 33 from the first height position to the second height position, switching between a state of being in close contact with the hard floor surface to be cleaned and a state of being away from the hard floor surface. Of course, it is understood that the movement track of the scraping end 33 may be a combination of straight and curved, that is, it may move straight and then curved, or it may move first and then straight.

In the technical scheme that the motion track of the scraping end 33 is curved, as shown in fig. 5, the driving mechanism includes a rotating shaft 31 and a driving member fixedly connected with the rotating shaft 31, the rotating shaft 31 is rotatably disposed on the ground brush main body, and the scraping portion 3 is fixedly disposed on the rotating shaft 31. The scraping end 33 is brought into and out of interference contact with the surface to be cleaned by a rotary drive.

In one alternative embodiment, the driving member is a knob, the knob is disposed at an end of the rotating shaft 31, and the rotating shaft 31 is rotated by twisting the knob, so that the scraping end 33 and the surface to be cleaned are switched between the interference contact state and the separation state.

In an alternative embodiment, the driving member is a manual driving rod 32, a first end of the manual driving rod 32 is fixedly connected with one end of the rotating shaft 31, a second end of the manual driving rod 32 is provided with a user operation part, and the manual driving rod 32 is driven by a user to drive the scraping end 33 to switch between the contact state and the separation state.

Specifically, a fan-shaped groove 4 is arranged on the side wall of the floor brush, and the fan-shaped groove 4 is provided with a first groove wall 41 and a second groove wall 42 which are radially arranged; the rotating shaft 31 penetrates out of the top of the fan-shaped groove 4, and the central angle of the fan-shaped groove 4 is 80-120 degrees; the manual driving lever 32 is installed in the sector groove 4 and can rotate in the sector groove 4; when the manual driving lever 32 is in contact with the first groove wall 41, the scraping end 33 of the scraping portion 3 is in interference contact with the surface to be cleaned; when the manual driving lever 32 is in contact with the second groove wall 42, a maximum separation gap is reached between the scraping end 33 of the scraping portion 3 and the surface to be cleaned. Through setting up manual actuating lever in the fan-shaped groove, utilize the cell wall of fan-shaped groove to inject the rotation angle of scraping portion to can realize scraping end 33 and wait to clean the quick switch of two kinds of states of interference contact, scraping end 33 and wait to clean the surface separation.

In one alternative embodiment, the driving mechanism further comprises a state maintaining member connected between the scraping portion 3 and the floor brush main body; the condition maintenance member is configured to maintain the scraping end 33 in interference contact with the surface to be cleaned. Illustratively, the condition maintaining member includes a wiper spring coupled between the wiper and the brush body, the wiper end 33 being separated from the hard floor surface when the manual drive lever 32 is in contact with the second groove wall 42, the wiper spring being in a compressed condition; when the manual driving rod 32 contacts with the first groove wall 41, the scraping end 33 of the scraping part 3 is in interference contact with the surface to be cleaned, and at the moment, the scraping strip spring is in a release state, the scraping part is limited in an unfolding state, and the scraping end is kept in interference contact with the hard floor surface.

In one alternative embodiment, the driving mechanism further includes a limiting structure for maintaining the scraping end 33 in the separated state, the limiting structure includes a limiting groove and a limiting protrusion that are matched with each other, the fan-shaped groove 4 is provided with a limiting protrusion corresponding to the position of the separated state, the manual driving rod 32 is provided with a limiting groove matched with the limiting protrusion, and the groove on the manual driving rod 32 is kept matched with the protrusion in the fan-shaped groove under the action of no external force, so that the scraping end 33 maintains the separated state with the hard floor surface.

In the technical scheme that the motion track of the scraping end 33 is a straight line, the driving mechanism comprises a slideway, and the scraping part 3 is arranged on the ground brush main body through the slideway; the scraping portion 3 moves along the slideway towards or away from the surface to be cleaned to switch the scraping end 33 and the surface to be cleaned between an interference contact state and a separation state.

Further, the slide may be arranged vertically or obliquely downward, that is, the scraping end 33 may be raised or lowered in the vertical direction or linearly reciprocated in the oblique direction to achieve switching between the two states of the scraping end 33 and the floor surface to be cleaned.

In an alternative embodiment, when the scraping end 33 is in interference contact with the surface to be cleaned, the angle between the plane of the scraping end 33 and the surface to be cleaned in the advancing direction is an obtuse angle, so that the scraping effect on the sewage is better.

Further, the scraping width of the scraping end 33 is greater than or equal to the cleaning width of the first cleaning portion 1. The scraping width of the scraping end is larger than the cleaning width of the first cleaning part 1, so that water stains generated on the ground in the working process of the first cleaning part can be gathered together by the scraping end, and water stain marks are prevented from being left.

In this embodiment, the floor brush for the wet cleaning apparatus further comprises a suction rake 7, the suction rake 7 having a suction port 71 and a height adjusting mechanism; the water suction port 71 is directed toward the surface to be cleaned and is located in front of the second cleaning portion 2, and the height adjusting mechanism is configured to adjust the distance of the water suction port 71 from the surface to be cleaned. Wherein the height adjusting mechanism is driven manually or electrically. By setting the water suction port 71 of the suction shoe 7 to be height-adjustable, the distance between the suction shoe and the carpet surface to be cleaned can be adjusted as required. When the first cleaning part 1 works, the water suction port 71 of the water suction rake 7 is far away from the surface to be cleaned, and a first distance is arranged between the water suction port 71 and the surface to be cleaned, so that the distance can avoid the influence on the cleaning of dirt on the surface to be cleaned (particularly the hard floor) due to the fact that the water suction rake is excessively close to the ground and slides and rubs or is directly clamped with the hard floor, and particularly large-particle garbage on the hard floor cannot be cleaned; when the second cleaning part 2 is operated, the height of the water suction port 71 is adjusted so that there is a second distance between the water suction port 71 and the surface to be cleaned, and the first distance is greater than the second distance, so that the water suction port 71 is sufficiently close to or in contact with the carpet surface to be cleaned to form a relatively sealed dirt suction space for sucking dirt on the surface to be cleaned (particularly, carpet) as much as possible.

In this embodiment, the water suction port 71 of the water suction rake 7 is close to and far from the carpet surface to be cleaned, and can adopt a linear movement mode or a curve movement mode.

In one alternative embodiment, the suction rake 7 comprises a main body 72, a housing 73 and a movable body 74; the main body 72 is provided on the floor brush main body, the housing 73 is provided at the front end of the main body 72, the water suction port 71 is provided on the movable body 74, and the movable body 74 is connected to the housing 73 by the height adjusting mechanism, and can be lifted and lowered in the vertical direction. The movable body 74 is provided with a suction channel communicated with the water suction port 71, and the suction channel is always communicated with the channel on the main body 72 in the ascending or descending process of the movable body 74 so as to ensure that the second dirt suction channel is kept in a communicated working state.

Specifically, the height adjusting mechanism comprises a guide rod and a locking assembly, and the guide rod is arranged on the movable body 74; the shell 73 is provided with a chute, and the guide rod is movably arranged in the chute and can move up and down in the chute; the locking assembly is provided on the housing 73 and is configured to lock the guide bar in a designated position after the guide bar moves downward. Further, a key through hole is formed through the top of the housing 73, and a lifting key is disposed on the front side of the movable body 74 and is installed in the key through hole. The movable body 74 is lowered by pressing down the lifting key, so that the water suction port 71 is moved toward the carpet surface to be cleaned.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application, and are not meant to limit the scope of the utility model, but to limit the scope of the utility model.

Claims (10)

1. A floor brush for a wet cleaning device, characterized in that the floor brush has a floor brush body on which a first cleaning part (1) and a scraping mechanism are provided, the scraping mechanism comprising:

a scraping part (3), along the advancing direction of the floor brush, wherein the scraping part (3) is arranged behind the first cleaning part (1);

wherein the scraping portion (3) has a scraping end (33), the scraping portion (3) being movable relative to the floor brush body such that the scraping end (33) is movable between a contact state in which it is in contact with the surface to be cleaned and a separation state in which it is separated from the surface to be cleaned.

2. A floor brush for a wet cleaning device according to claim 1, characterized in that the scraper (3) is provided on the floor brush body by means of a drive mechanism configured to be able to drive the scraper end (33) of the scraper (3) to switch between the contact state and the separated state.

3. The floor brush for a wet cleaning apparatus according to claim 2, wherein the driving mechanism comprises a rotating shaft (31) and a driving member fixedly connected with the rotating shaft (31), the rotating shaft (31) is rotatably provided on the floor brush main body, and the scraping portion (3) is fixedly provided on the rotating shaft (31).

4. A floor brush for a wet cleaning device according to claim 3, characterized in that the driving member is a manual driving lever (32), a first end of the manual driving lever (32) is fixedly connected with one end of the rotating shaft (31), a second end of the manual driving lever (32) is provided with a user operation part, and the scraping end (33) is driven to switch between the contact state and the separation state by the user driving the manual driving lever (32).

5. -floor brush for a wet cleaning device according to claim 4, characterized in that a fan-shaped groove (4) is provided on the side wall of the floor brush, which fan-shaped groove (4) has a first groove wall (41) and a second groove wall (42) arranged radially;

the rotating shaft (31) penetrates out of the top point of the fan-shaped groove (4);

the manual driving rod (32) is arranged in the fan-shaped groove (4) and can swing in the fan-shaped groove (4);

-when the manual driving lever (32) is in contact with a first groove wall (41), the scraping end (33) of the scraping portion (3) is in interference contact with the surface to be cleaned; when the manual drive lever (32) is in contact with the second groove wall (42), a maximum separation gap is reached between the scraping end (33) of the scraping portion (3) and the surface to be cleaned.

6. Floor brush for a wet cleaning device according to claim 5, characterized in that the central angle of the fan-shaped groove (4) is 80 ° -120 °.

7. A floor brush for a wet cleaning apparatus according to claim 4, wherein,

the driving mechanism further comprises a state maintaining member connected between the scraping portion (3) and the floor brush main body, the state maintaining member being configured to maintain the scraping end (33) in interference contact with a surface to be cleaned; and/or

The driving mechanism comprises a limiting structure for maintaining the scraping end (33) in the separated state, and the limiting structure comprises a limiting groove and a limiting protrusion which are matched with each other.

8. A floor brush for a wet cleaning device according to claim 3, characterized in that the drive mechanism comprises a slideway through which the scraper (3) is provided on the floor brush body;

the scraping part (3) moves along the slideway to approach or separate from the surface to be cleaned so as to realize the switching of the scraping end (33) and the surface to be cleaned between two states of interference contact and separation.

9. A floor brush for a wet cleaning apparatus according to any one of claims 2 to 8,

when the scraping end (33) is in interference contact with the surface to be cleaned, the angle between the plane of the scraping end (33) and the surface to be cleaned in the advancing direction is an obtuse angle; and/or

The driving mechanism is driven manually or electrically; and/or

The scraping width of the scraping end (33) is larger than or equal to the cleaning width of the first cleaning part (1).

10. A floor brush for a wet cleaning device according to claim 1, characterized in that the floor brush body is provided with a chamber, on which a second cleaning part (2) and a cleaning part adjusting mechanism are further provided, the first cleaning part (1) and the second cleaning part (2) being provided in the chamber, the cleaning part adjusting mechanism being capable of adjusting the position of the first cleaning part (1) and/or the second cleaning part (2) to switch the floor brush between a first cleaning state and a second cleaning state;

-when the floor brush is in the first cleaning state, the scraping end (33) of the scraping portion (3) is in interference contact with the surface to be cleaned; when the floor brush is in the second cleaning state, the scraping end (33) of the scraping part (3) is separated from the surface to be cleaned.

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