CN218552213U - Floor brush mechanism and cleaning device - Google Patents

Abstract

The utility model relates to the technical field of household appliances, in particular to a floor brush mechanism and a cleaning device. The floor brush mechanism provided by the utility model includes a cover body and an auxiliary impeller assembly. The bottom of the cover body is provided with a dust suction port, and the inside of the cover body is provided with a dust suction channel connected with the dust suction port. pressure; the auxiliary impeller assembly is set on the cover and is spaced from the dust suction port, and the auxiliary impeller assembly is connected with the dust suction channel, and the auxiliary impeller assembly can blow the air outside the cover into the dust suction channel to achieve the purpose of suction The effect of pressure relief in the dust passage, so as to achieve the effect of reducing the moving resistance of the ground brush mechanism; when the auxiliary impeller assembly blows into the dust suction passage, it can blow the impurities or dust located on the edge of the dust suction port to the place where the adsorption force is relatively high. Large middle position for better suction of impurities or dust. The cleaning device provided by the utility model reduces the movement resistance while ensuring that the ground brush mechanism has a good dust removal ability.

Description

A ground brush mechanism and cleaning device

technical field

The utility model relates to the technical field of household appliances, in particular to a floor brush mechanism and a cleaning device.

Background technique

Vacuum cleaners are widely used cleaning devices at present, and floor brush mechanisms are commonly used cleaning accessories for supporting vacuum cleaners. The ground brush mechanism usually includes a cover body. The bottom of the cover body is provided with a dust suction port. The inside of the cover body is provided with a dust suction channel connected with the dust suction port. The negative pressure generating mechanism of the vacuum cleaner is arranged in the dust suction channel. Negative pressure is created in the suction channel. When in use, the user manually pushes the ground brush mechanism to walk on the ground, and under the action of negative pressure, the dust and garbage on the ground can be cleaned through the dust suction port and the dust suction channel in turn.

There are usually two types of floor brush mechanisms on the market: 1) The high-resistance floor brush mechanism has better dust removal ability, but due to the large negative pressure generated by the negative pressure generating mechanism in the dust suction channel, the dust suction port and The ground binding force is relatively large, so that the movement resistance of the floor brush mechanism is relatively large, and the user needs to apply a large thrust to make it walk on the ground when using it, which is time-consuming and laborious, and the user experience is poor; 2) The low-resistance floor brush Mechanism, the negative pressure generated by the negative pressure generating mechanism in the dust suction channel is small, so that the movement resistance of the ground brush mechanism is small, and the user saves effort when pushing, but because the vacuum degree in the dust suction channel is low, it is located in the suction channel. Impurities or dust on the edge of the dust port are not easily sucked into the box, resulting in poor dust removal ability of the low-resistance floor brush mechanism. In order to balance the cleaning effect and movement resistance of the vacuum cleaner, some existing floor brush mechanisms also include a blower assembly, which can blow air into the dust collection chamber to reduce the vacuum degree in the dust collection chamber, thereby reducing the floor brush. The movement resistance of the mechanism, but the air inlet of the blowing component is usually connected to the exhaust port of the negative pressure generating mechanism to blow the wind discharged from the negative pressure generating mechanism to the dust suction chamber, resulting in a long air blowing path and a large loss. The pressure relief effect is not good.

Therefore, there is an urgent need to propose a floor brush mechanism and a cleaning device to solve the above technical problems.

Utility model content

The first purpose of the utility model is to provide a ground brush mechanism, which can reduce the movement resistance while ensuring the ground brush mechanism has a good dust removal ability.

For this purpose, the utility model adopts the following technical solutions:

A ground brush mechanism, comprising:

A cover body, the bottom of the cover body is provided with a dust suction port, and the inside of the cover body is provided with a dust suction channel communicating with the dust suction port, and a negative pressure can be generated in the dust suction channel;

The auxiliary impeller assembly is arranged on the cover and is spaced from the dust suction port, and the auxiliary impeller assembly communicates with the dust suction channel, and the auxiliary impeller assembly can blow the air outside the cover Into the dust suction channel.

As a preferred solution of the ground brush mechanism, the ground brush mechanism also includes a driving impeller, the driving impeller is located in the dust suction channel, and the driving impeller can rotate under negative pressure;

Each auxiliary impeller assembly includes a transmission part and an auxiliary impeller, and the driving impeller can drive the corresponding auxiliary impeller to rotate through the transmission part.

As a preferred solution of the ground brush mechanism, the transmission part includes:

a transmission shaft, one end of the transmission shaft is connected to the driving impeller;

The first helical tooth is connected with the other end of the transmission shaft;

The second helical teeth mesh with the first helical teeth, and the second helical teeth are connected with the auxiliary impeller.

As a preferred solution of the ground brush mechanism, the cover body includes:

The main body, the suction port is located at the bottom of the main body;

An auxiliary housing part is protruded from a position corresponding to the auxiliary impeller assembly on the body, and the auxiliary housing part is used for housing the auxiliary impeller and part of the transmission part.

As a preferred solution of the ground brush mechanism, a plurality of air inlets arranged at intervals are provided on the side of the auxiliary receiving portion away from the body.

As a preferred solution of the ground brush mechanism, the auxiliary accommodating part is provided with an opening on one side away from the body, and a plurality of grids are arranged at the opening, and the said opening is formed between two adjacent grids. Inlet.

As a preferred solution of the ground brush mechanism, the surface of the grid is inclined upwards sequentially from the inside to the outside of the auxiliary accommodating part.

As a preferred solution of the ground brush mechanism, the auxiliary accommodation part includes:

Auxiliary accommodation column, the auxiliary accommodation column is provided with an accommodating cavity, and the auxiliary impeller and part of the transmission part are located in the accommodating cavity;

The protective cover is detachably arranged on the opening of the accommodating cavity.

As a preferred solution of the ground brush mechanism, one of the protective cover and the auxiliary accommodation column is provided with a buckle, and the other is provided with a slot, and the buckle can be engaged with the slot .

As a preferred solution of the ground brush mechanism, the number of the buckles is multiple, and the plurality of buckles are arranged at intervals along the circumference of the cover, and each of the buckles corresponds to one of the slots.

As a preferred solution of the ground brush mechanism, the body and the auxiliary receiving column are of an integral structure.

As a preferred solution of the ground brush mechanism, the number of the auxiliary impeller assemblies is two, and the two auxiliary impeller assemblies are respectively located on both sides of the dust suction port.

In order to achieve the above purpose, the utility model also provides a cleaning device. By applying the above-mentioned floor brush mechanism, while ensuring that the floor brush mechanism has a good dust removal ability, the movement resistance is reduced and the user experience is improved.

A cleaning device, comprising the ground brush mechanism described in any of the solutions above.

The beneficial effects of the utility model are:

In the floor brush mechanism provided by the utility model, by setting the auxiliary impeller assembly, the auxiliary impeller assembly can blow air into the dust suction channel to achieve the effect of releasing the pressure in the dust suction channel, thereby reducing the distance between the dust suction port and the ground. Combining force, and then achieve the effect of reducing the movement resistance of the ground brush mechanism, so that the user can use the small thrust to realize its movement on the ground when using the cleaning device; by setting the two auxiliary impeller assemblies on the cover respectively When the auxiliary impeller assembly is blowing into the dust suction channel, it can blow the impurities or dust on the edge of the suction port to the middle position with a strong adsorption force, so as to realize the removal of impurities near the suction port. Or the cleaning effect of dust is better; in addition, the auxiliary impeller assembly can blow the wind outside the cover into the dust suction channel, compared with the way in the prior art that blows the air discharged from the negative pressure generating mechanism into the dust suction channel, The length of the blowing air path can be reduced, the loss can be reduced, and the pressure relief effect can be improved.

The cleaning device provided by the utility model, by applying the above-mentioned ground brush mechanism, ensures that the ground brush mechanism has a good dust removal ability, reduces movement resistance, and improves user experience.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the illustrations of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings according to the content of the embodiments of the present invention and these drawings without any creative effort.

Fig. 1 is a structural schematic diagram 1 of the ground brush mechanism provided by the embodiment of the present invention;

Fig. 2 is a structural schematic diagram 2 of the ground brush mechanism provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the cooperation relationship between the driving impeller and the auxiliary impeller assembly of the ground brush mechanism provided by the embodiment of the present invention.

The markings in the figure are as follows:

100-ground brush mechanism; 200-joint; 300-moving mechanism;

1-cover; 11-body; 111-suction port; 112-suction channel; 12-auxiliary accommodation; 121-auxiliary accommodation column; 122-cover; The first avoidance hole; 13-main accommodating part;

2- Active impeller;

3-auxiliary impeller assembly; 31-transmission part; 311-transmission shaft; 312-first helical teeth; 313-second helical teeth; 32-auxiliary impeller.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail. It can be understood that the specific embodiments described here are only used to explain the utility model, rather than limit the utility model. In addition, it should be noted that, for the convenience of description, only the structural parts related to the present utility model are shown in the drawings but not the whole structural structure.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or a One body; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the communication of the internal structure of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

This embodiment provides a cleaning device, which can clean indoor dust. In this embodiment, the cleaning device may refer to a vacuum cleaner, a sweeping machine, or a washing machine.

As shown in FIG. 1 , the cleaning device provided in this embodiment includes a floor brush mechanism 100 , a joint 200 , a connecting pipe and a box body connected in sequence, and a negative pressure generating mechanism is arranged inside the box body. When the cleaning device is working, the negative pressure generated by the negative pressure generating mechanism will make the impurities or dust near the ground brush mechanism 100 enter the box through the ground brush mechanism 100, the joint 200 and the connecting pipe in turn, so that the cleaning device can eliminate impurities or dust. Dust disposal. Specifically, the connecting pipe may be a flexible hose, which is convenient for the user to move the ground brush mechanism 100 to different positions, so as to collect dust or impurities at different positions. The joint 200 is a hard pipe, so as to facilitate the connection of the two ends of the joint 200 with the floor brush mechanism 100 and the connecting pipe respectively, so as to improve the firmness of the connection.

As shown in FIG. 2 , the cleaning device further includes a moving mechanism 300 disposed at the bottom of the ground brush mechanism 100 . In this embodiment, the moving mechanism 300 can be a roller, which has a simple structure and is easy to install. When the user pushes the ground brush mechanism 100 to move on the ground, the roller can roll on the ground to reduce the friction between the ground brush mechanism 100 and the ground. force, reduce the wear of the ground brush mechanism 100, thereby prolonging the service life of the ground brush mechanism 100, and also facilitating the rapid movement of the cleaning device. In other embodiments, the moving mechanism 300 can also be a universal wheel assembly, and the universal wheel assembly can realize quick switching of the movement of the cleaning device in different directions. In this embodiment, the specific form of the moving mechanism 300 is not limited, as long as the cleaning device can move quickly.

As shown in FIG. 1 and FIG. 2 , the ground brush mechanism 100 includes a cover body 1 , a dust suction port 111 is provided at the bottom of the cover body 1 , and a dust suction channel 112 communicating with the dust suction port 111 is provided inside the cover body 1 . Among them, the dust suction channel 112 is connected to the joint 200. When using the cleaning device, the user can move the ground brush mechanism 100 to the place that needs to be cleaned, and a slit can be formed between the dust suction port 111 and the ground, and the negative pressure generating mechanism works And a negative pressure is generated in the dust suction channel 112, thereby generating a greater suction force at the dust suction port 111, so as to suck impurities or dust near the dust suction port 111 into the box body.

There are usually two types of floor brush mechanisms on the market: 1) The high-resistance floor brush mechanism has better dust removal ability, but due to the large negative pressure generated by the negative pressure generating mechanism in the dust suction channel, the dust suction port and The ground binding force is relatively large, so that the movement resistance of the floor brush mechanism is relatively large, and the user needs to apply a large thrust to make it walk on the ground when using it, which is time-consuming and laborious, and the user experience is poor; 2) The low-resistance floor brush Mechanism, the negative pressure generated by the negative pressure generating mechanism in the dust suction channel is small, so that the movement resistance of the ground brush mechanism is small, and the user saves effort when pushing, but because the vacuum degree in the dust suction channel is low, it is located in the suction channel. Impurities or dust on the edge of the dust port are not easily sucked into the box, resulting in poor dust removal ability of the low-resistance floor brush mechanism.

In order to solve the above problems, as shown in FIG. 1 and FIG. 3 , the floor brush mechanism 100 provided in this embodiment further includes an auxiliary impeller assembly 3, which is arranged on the cover body 1 and spaced from the dust suction port 111, and The auxiliary impeller assembly 3 communicates with the dust suction channel 112 , and the auxiliary impeller assembly 3 can blow the air outside the cover body 1 into the dust suction channel 112 . By setting the auxiliary impeller assembly 3, the auxiliary impeller assembly 3 can blow air into the dust suction channel 112 to achieve the effect of releasing the pressure in the dust suction channel 112, thereby reducing the binding force between the dust suction port 111 and the ground, and further Realize the effect of reducing the movement resistance of the floor brush mechanism 100, so that the user can realize its movement on the ground with a small thrust when using the cleaning device; by setting the auxiliary impeller assembly 3 and the dust suction port 111 at intervals, When the auxiliary impeller assembly 3 blows air into the dust suction channel 112, the impurities or dust located at the edge of the dust suction port 111 can be blown to the middle position of the dust suction port 111 with a relatively large adsorption force, thereby realizing the dust near the dust suction port 111. Impurities or dust have a better cleaning effect; in addition, the auxiliary impeller assembly 3 can blow the wind outside the cover body 1 into the dust suction channel 112, which is different from the prior art in blowing the air discharged from the negative pressure generating mechanism to the dust suction channel 112 Compared with the internal method, the length of the blowing air path can be reduced, the loss can be reduced, and the pressure relief effect can be improved.

In this embodiment, there are two auxiliary impeller assemblies 3 , and the two auxiliary impeller assemblies 3 are respectively located on two sides of the suction port 111 . The two auxiliary impeller assemblies 3 can blow the dust and impurities located on both sides of the dust suction port 111 to the dust suction port 111 located in the middle, so that the place where the cleaning device passes has a better cleaning effect. Of course, in other embodiments, the number of auxiliary impeller assembly 3 can also be one, and the dust suction port 111 and one auxiliary impeller assembly 3 are located on both sides of the cover body 1 , which can also achieve the above effects.

Further, as shown in Figure 3, the ground brush mechanism 100 also includes a driving impeller 2, which is located in the dust suction channel 112, and the driving impeller 2 can rotate under negative pressure; each auxiliary impeller assembly 3 includes a transmission part 31 and auxiliary impeller 32, the driving impeller 2 can drive the corresponding auxiliary impeller 32 to rotate through the transmission part 31. With this arrangement, the rotation of the driving impeller 2 and the two auxiliary impellers 32 can be realized by using the negative pressure generating mechanism, and no additional rotary drive mechanism for driving the auxiliary impeller 32 is required, which can reduce manufacturing costs and save the installation of the cover body 1 space, reduce the volume of the ground brush mechanism 100, and reduce the weight of the ground brush mechanism 100, so that the user can push the floor brush mechanism 100 to move on the ground more conveniently.

Specifically, as shown in Figure 3, the transmission part 31 includes a transmission shaft 311, a first helical tooth 312 and a second helical tooth 313, and one end of the transmission shaft 311 is connected with the driving impeller 2; The other end of 311 is connected; the second helical tooth 313 is meshed with the first helical tooth 312 , and the second helical tooth 313 is connected with the auxiliary impeller 32 . When the cleaning device works, a negative pressure can be generated in the dust suction channel 112, and the driving impeller 2 rotates under the action of the negative pressure, thereby driving the first helical gear 312 to rotate through the transmission shaft 311, and the first helical gear 312 drives to mesh with it The rotation of the second helical tooth 313 realizes the rotation of the auxiliary impeller 32 so as to achieve the effect of blowing air into the dust suction channel 112 . By setting the first helical gear 312 and the second helical gear 313 meshing with each other, the transmission process is precise, stable and less noisy.

As shown in Figures 1 and 3, the cover body 1 includes a main body 11, an auxiliary accommodating portion 12 and a main accommodating portion 13, wherein the dust suction port 111 is located at the bottom of the main body 11, and the main accommodating portion 13 protrudes from the main body 11 away from the dust suction. On one side of the mouth 111, the main housing part 13 is used for the accommodation of the driving impeller 2; on both sides of the main housing part 13, an auxiliary housing part 12 is protruded, and the auxiliary housing part 12 is used for the auxiliary impeller 32 and the partial transmission part 31. accommodate.

Optionally, in this embodiment, the first helical teeth 312, the second helical teeth 313 and the auxiliary impeller 32 are all located inside the auxiliary accommodating part 12, and a first avoidance hole 1223 is provided on the auxiliary accommodating part 12, and in the main accommodating part The part 13 is provided with a second avoidance hole, and the two ends of the transmission shaft 311 are passed through the first avoidance hole 1223 and the second avoidance hole respectively, so as to connect the first helical gear 312 and the driving impeller 2 . Through the auxiliary housing part 12 and the main housing part 13, on the one hand, it can play the role of housing and protecting the auxiliary impeller 32, the partial transmission part 31 and the driving impeller 2, so as to prevent the first helical teeth 312 and the second helical teeth 313 from being exposed for a long time Dust falls on the outside, thereby affecting the relative rotation of the first helical tooth 312 and the second helical tooth 313; on the other hand, it can prevent the dust suction channel 112 from communicating with the outside, resulting in insufficient vacuum generated therein affecting the dust suction effect.

As shown in FIG. 1 , a plurality of air inlets 1222 arranged at intervals are provided on a side of the auxiliary receiving portion 12 away from the main body 11 . By setting the air inlet 1222, when the auxiliary impeller 32 rotates, the air outside the cover body 1 can be blown into the dust suction cavity 112, so as to shorten the length of the blowing air path, reduce the loss of the wind in the flow process, and reduce energy consumption. At the same time, it has the effect of reducing the vacuum degree in the dust suction chamber 112.

Specifically, the side of the auxiliary housing part 12 away from the main body 11 is opened, and a plurality of grilles are arranged at the opening, and the above-mentioned air inlet 1222 is formed between two adjacent grilles, which has good ventilation performance and durability, and can also The aesthetics of the overall appearance of the ground brush mechanism 100 is improved.

Preferably, in this embodiment, the surface of the grille is inclined upward sequentially from the inside to the outside of the auxiliary receiving portion 12 . With this arrangement, the grille can act as a barrier to impurities and dust, preventing the impurities and dust near the suction port 111 from being blown up from the air inlet 1222 when the auxiliary impeller 32 blows air into the dust suction chamber 112. It is blown out of the cover body 1.

Further, as shown in FIG. 1 and FIG. 3 , the auxiliary accommodating part 12 includes an auxiliary accommodating column 121 and a cover 122, and an accommodating cavity is arranged in the auxiliary accommodating column 121, and the auxiliary impeller 32 and part of the transmission part 31 are located in the accommodating cavity Inside; the protective cover 122 is detachably mounted on the opening of the accommodating cavity. When the auxiliary impeller 32 or the transmission part 31 breaks down and needs to be repaired or replaced, the maintenance personnel can disassemble the protective cover 122 from the auxiliary accommodation column 121 to expose the auxiliary impeller 32 and the transmission part 31, thereby facilitating the maintenance or replacement of the maintenance personnel. replace.

Specifically, as shown in FIG. 3 , in this embodiment, the cover 122 is provided with a buckle 1221 , and the auxiliary receiving column 121 is provided with a slot, and the buckle 1221 can be engaged with the slot. The detachable connection between the protective cover 122 and the auxiliary accommodating post 121 can be realized by providing the buckle 1221 and the slot that are engaged with each other, the structure is simple, the assembly and disassembly are convenient, and the connection stability is good. Certainly, in other embodiments, the buckle 1221 can also be arranged on the receiving post 121 , and a catch slot can be arranged on the protective cover 122 , which can also achieve the above effect.

Optionally, there are multiple buckles 1221 , the multiple buckles 1221 are arranged at intervals along the circumference of the cover 122 , and each buckle 1221 corresponds to a slot. With this arrangement, the stability of the connection between the protective cover 122 and the receiving post 121 can be further ensured.

As shown in Figure 1, the main body 11, the auxiliary accommodation column 121 and the main accommodation part 13 are integrally formed, which can save the time for assembling multiple parts, improve processing efficiency, and reduce the use of connectors, making the cover The surface of 1 has good aesthetics, and can reduce the manufacturing cost; in addition, it can also avoid the existence of multiple gaps on the cover 1, which will affect the vacuum degree in the dust suction chamber 112.

Note that the basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model, and the claimed scope of the utility model is defined by the appended claims and their equivalents.

Claims (10)

1. A floor brush mechanism, comprising:

the cover comprises a cover body (1), wherein a dust suction port (111) is formed in the bottom of the cover body (1), a dust suction channel (112) communicated with the dust suction port (111) is formed in the cover body (1), and negative pressure can be generated in the dust suction channel (112);

and the auxiliary impeller assembly (3) is arranged on the cover body (1) and is arranged at an interval with the dust suction port (111), the auxiliary impeller assembly (3) is communicated with the dust suction channel (112), and the auxiliary impeller assembly (3) can blow air outside the cover body (1) into the dust suction channel (112).

2. A mechanism according to claim 1, further comprising a driving impeller (2), wherein the driving impeller (2) is located in the dust suction channel (112), and the driving impeller (2) can rotate under the action of negative pressure;

each auxiliary impeller component (3) comprises a transmission part (31) and an auxiliary impeller (32), and the driving impeller (2) can drive the corresponding auxiliary impeller (32) to rotate through the transmission part (31).

3. A floor brush mechanism according to claim 2, characterized in that the transmission part (31) comprises:

one end of the transmission shaft (311) is connected with the driving impeller (2);

a first helical tooth (312) connected to the other end of the transmission shaft (311);

and the second helical teeth (313) are meshed with the first helical teeth (312), and the second helical teeth (313) are connected with the auxiliary impeller (32).

4. A floor brush mechanism according to claim 2, characterized in that the cover (1) comprises:

the body (11), the said dust absorption mouth (111) locates at the bottom of the said body (11);

the auxiliary accommodating part (12) is arranged on the body (11) in a protruding mode at a position corresponding to the auxiliary impeller assembly (3), and the auxiliary accommodating part (12) is used for accommodating the auxiliary impeller (32) and part of the transmission part (31).

5. A floor brush mechanism according to claim 4, characterized in that the side of the auxiliary accommodating part (12) far away from the body (11) is provided with a plurality of spaced air inlets (1222);

preferably, the auxiliary accommodating part (12) is arranged away from an opening on one side of the body (11), a plurality of grids are arranged at the opening, and the air inlet (1222) is formed between two adjacent grids.

6. A floor brush arrangement according to claim 5, characterized in that the surface of the grid slopes upwards in sequence from the inside to the outside of the auxiliary receiving portion (12).

7. A floor brush mechanism according to claim 4, characterized in that said auxiliary housing (12) comprises:

the auxiliary containing column (121) is internally provided with a containing cavity, and the auxiliary impeller (32) and part of the transmission part (31) are positioned in the containing cavity;

a protective cover (122) which is detachably arranged on the opening of the accommodating cavity in a covering mode;

preferably, the body (11) and the auxiliary receiving post (121) are of a unitary construction.

8. A floor brush mechanism according to claim 7, characterized in that one of the protective cover (122) and the auxiliary receiving column (121) is provided with a buckle (1221), and the other is provided with a clamping groove, and the buckle (1221) can be clamped with the clamping groove;

preferably, the number of the fasteners (1221) is multiple, the plurality of the fasteners (1221) are arranged along the circumferential direction of the protective cover (122) at intervals, and each of the fasteners (1221) corresponds to one of the clamping grooves.

9. A floor brush mechanism according to any one of claims 1-8, characterized in that the number of auxiliary impeller assemblies (3) is two, and two auxiliary impeller assemblies (3) are respectively located on both sides of the dust suction opening (111).

10. A cleaning device comprising a floor brush mechanism as claimed in any one of claims 1-9.

Images