CN115227135B - Tooth comb, floor brush mechanism and cleaning device - Google Patents

Abstract

The invention relates to the technical field of household appliances, in particular to a tooth comb, a ground brush mechanism and a cleaning device. The tooth comb proposed by the present invention includes a main body and a plurality of cutting teeth groups arranged in a direction parallel to the axis of the roller brush or in a direction tangential to the outer surface of the roller brush. The cutting teeth group includes two cutting teeth, and the two cutting teeth are opposite to the main body. The direction of inclination is opposite, the two cutting teeth intersect with the end connected to the main body, and the two cutting teeth are set at an angle, which can effectively improve the cleaning ability of the ground brush mechanism and cleaning device, and the shortened hair smoothly enters the cyclone through the suction port Separator, the shortened hair will not wrap around the filter screen of the cyclone separator, ensuring better filtering effect of the filter screen of the cyclone separator. The floor brush mechanism and the cleaning device proposed by the present invention can effectively improve the cleaning ability of the cleaning device by applying the above-mentioned floor brush mechanism, and can ensure a better filtering effect of the filter screen of the cyclone separator.

Description

Tooth comb, ground brush mechanism and cleaning device

technical field

The invention relates to the technical field of household appliances, in particular to a tooth comb, a ground brush mechanism and a cleaning device.

Background technique

The floor brush mechanism of the vacuum cleaner includes a housing and a roller brush rotatably arranged on it. Dust is easy to accumulate on the roller brush, which makes the vacuum cleaner unable to achieve a better cleaning function. In order to solve the existing problems, the existing cleaning device also includes a toothed comb arranged on the housing, and the end of the toothed comb extends into the roller brush, thereby realizing the removal of dust on the roller brush, so that the vacuum cleaner can achieve better cleaning effect. But the existing toothed comb can't realize the better cleaning of the hair on the roller brush, and can only realize the combing effect to the hair, and the cleaning ability of the roller brush full of hair is also greatly reduced. In addition, although the long hair has been combed, but because it is too long, one end is sucked by the suction port, and the other end is wrapped around the roller brush. The adhesion on the roller brush is strong, so the hair becomes circles and wrapped around the roller brush. It will lead to partial loss or shortening of the bristles of the roller brush, and the cleaning ability of the roller brush will also be greatly reduced. In addition, even if the long hair enters the cyclone separator smoothly through the air inlet, the hair is too long to wrap around the filter screen of the cyclone separator, resulting in poor filtering effect of the filter screen of the cyclone separator.

Based on this, it is urgent to invent a tooth comb, a floor brush mechanism and a cleaning device, which can solve the problems of poor cleaning ability of the floor brush mechanism and the cleaning device, and poor filtering effect of the cyclone filter screen.

Contents of the invention

The first object of the present invention is to provide a toothed comb, which can effectively cut off the hair on the floor brush mechanism, improve the cleaning ability of the floor brush mechanism and the cleaning device, and effectively improve the filtering effect of the filter screen of the cyclone separator.

The second object of the present invention is to propose a ground brush mechanism. By applying the tooth comb, the cleaning ability of the ground brush mechanism can be improved, and the filtering effect of the filter screen of the cyclone separator can be effectively improved.

The third object of the present invention is to propose a cleaning device, which can effectively improve the cleaning ability of the cleaning device and effectively improve the filtering effect of the filter screen of the cyclone separator by applying the above ground brush mechanism.

For reaching this purpose, the present invention adopts following technical scheme:

A tooth comb, comprising a main body and a plurality of cutting tooth groups protruding from the main body, the cutting tooth groups include two cutting teeth connected to the main body, and the two cutting teeth are inclined relative to the main body The directions are opposite, the two cutting teeth intersect with the end connected to the main body, and the two cutting teeth are arranged at an included angle.

As a preferred solution, the cutting teeth include a connecting portion and a combing portion, both ends of the connecting portion are respectively connected to the main body and the combing portion, and the combing portion includes a first cutting edge.

As a preferred solution, the connecting portion is formed by extending outward from the main body, and the extending direction of the connecting portion is set at an acute angle to the extending direction of the main body.

As a preferred solution, the set of cutting teeth further includes auxiliary teeth, the two ends of the auxiliary teeth are respectively connected to the two cutting teeth, the auxiliary teeth include a third cutting edge, and the edge of the third cutting edge The mouth is positioned towards the opening formed by the two cutting teeth.

As a preferred solution, a plurality of the cutting teeth groups are arranged along a direction parallel to the axis of the roller brush, arranged along a tangential direction to the outer surface of the roller brush, arranged along a curve, arranged along a broken line or along the axis of the roller brush Parallel directions are staggered.

As a preferred solution, the connecting portion includes a second cutting edge.

As a preferred solution, the main body includes a wind guiding surface, the connecting portion is connected to the wind guiding surface, and the cutting edge of the second cutting edge is in the same plane as the wind guiding surface or is lower than the wind guiding surface. noodle.

As a preferred solution, the second cutting edge intersects with the first cutting edge to form a second cutting portion.

As a preferred solution, the second cutting edge includes a first edge surface and a second edge surface, and the intersection of the first edge surface and the second edge surface forms a first cutting edge; the first cutting edge includes a third The edge surface and the fourth edge surface, the third edge surface and the fourth edge surface intersect to form a second edge; the first edge surface and the third edge surface are connected by a first arc surface, so The second blade surface and the fourth blade surface are connected through a second arc surface.

A ground brush mechanism, comprising a housing, a rolling brush and the tooth comb as described above, the rolling brush is pivotally connected to the housing, the main body is connected to the housing, and the cutting teeth include a connecting portion And a combing part, two ends of the connecting part are respectively connected with the main body and the combing part, and the combing part at least partially extends into the roller brush from an end far away from the connecting part.

As a preferred solution, an air suction port is provided on the housing, and both the roller brush and the comb are arranged at the front end of the air suction port.

As a preferred solution, the combing portion is formed by the connecting portion extending obliquely downward and toward the roller brush, and the angle formed between the combing portion and the vertical direction is 0°-30°.

As a preferred solution, the connecting portion has a length of 1 mm to 3 mm, and the combing portion has a length of 1 mm to 3 mm.

A cleaning device includes the above ground brush mechanism.

The beneficial effects of the present invention are:

The tooth comb proposed by the present invention includes a main body and a plurality of cutting tooth groups protruding from the main body. The cutting tooth group includes two cutting teeth. , the two cutting teeth are set at an included angle. When there are more hairs on the roller brush, the hair will slowly move from the free end of the cutting teeth to the root of the cutting teeth. When the hairs move to the position where the two cutting teeth intersect, the two The position where the cutting teeth intersect can cut the hair, so that the hair is cut more fully, and the shortened hair is not easy to be entangled on the roller brush, so as to ensure the cleanliness of the roller brush and improve the cleaning ability of the floor brush mechanism and the cleaning device. In addition, the shortened hairs will not be entangled on the roller brush, avoiding partial missing or shortening of the bristles of the roller brush, which can effectively improve the cleanliness of the roller brush. The shortened hair smoothly enters the cyclone separator through the suction port, and the shortened hair will not wrap around the filter screen of the cyclone separator to ensure a better filtering effect of the filter screen of the cyclone separator.

The floor brush mechanism proposed by the present invention can improve the cleaning ability of the floor brush mechanism by applying the above-mentioned tooth comb, and the shortened hair will not be entangled on the roller brush, so as to avoid the phenomenon that the bristles of the roller brush are partially missing or shortened. Can effectively improve the cleanliness of the roller brush. The shortened hair smoothly enters the cyclone separator through the suction port, and the shortened hair will not wrap around the filter screen of the cyclone separator to ensure a better filtering effect of the filter screen of the cyclone separator.

The cleaning device proposed by the present invention can effectively improve the cleaning ability of the cleaning device by applying the above-mentioned ground brush mechanism, and the shortened hair will not be entangled on the roller brush, so as to avoid the phenomenon that the bristles of the roller brush are partially missing or shortened, Can effectively improve the cleanliness of the roller brush. The shortened hair smoothly enters the cyclone separator through the suction port, and the shortened hair will not wrap around the filter screen of the cyclone separator to ensure a better filtering effect of the filter screen of the cyclone separator.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to the content of the embodiment of the present invention and these drawings without any creative effort.

Fig. 1 is a schematic structural view of a cleaning device provided by an embodiment of the present invention;

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

Fig. 3 is a sectional view of the ground brush mechanism provided by the embodiment of the present invention;

Fig. 4 is a schematic structural view of a part of the ground brush mechanism provided by the embodiment of the present invention;

Fig. 5 is a structural schematic diagram of a comb provided by an embodiment of the present invention;

Fig. 6 is a sectional view of the main body provided by the embodiment of the present invention;

Fig. 7 is a structural schematic diagram of another viewing angle of the cutting tooth set provided by the embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a cutting tooth set provided by an embodiment of the present invention.

The markings in the figure are as follows:

1000-cleaning device; 100-floor brush mechanism; 10-teeth comb; 1-main body; 11-wind guide surface; 2-cutting teeth group; 21-cutting teeth; -the first blade surface; 21112-the second blade surface; 212-combing portion; 2121-the first cutting edge; 21211-the third blade surface; 21212-the fourth blade surface; Arc surface; 215-second arc surface; 22-auxiliary tooth; 221-third cutting edge; 23-first cutting part; 20-shell; 201-suction port; 30-rolling brush; 200-body Mechanism; 210-connecting rod; 202-dust storage device.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the structural parts related to the present invention are shown in the drawings rather than the entire structural structure.

In the description of the present invention, unless otherwise clearly specified 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 an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection 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 invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact 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 is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the 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 1000, which will now be described by taking a vacuum cleaner as an example. As shown in Figure 1, the vacuum cleaner provided by this embodiment includes a ground brush mechanism 100 and a body mechanism 200, the ground brush mechanism 100 is arranged below the body mechanism 200, the body mechanism 200 includes a connecting rod 210 and a dust storage device 202, the connecting rod 210 Connected with the ground brush mechanism 100, the operator can move the position of the ground brush mechanism 100 by pushing the connecting rod 210, the dust storage device 202 is arranged on the connecting rod 210, and the dust storage device 202 is connected to the ground brush mechanism through the connecting rod 100 connected, the dust storage device 202 achieves the effect of filtering dust and sundries.

The structure of the floor brush mechanism 100 is described in conjunction with FIG. 2 and FIG. 3. As shown in FIG. 2 and FIG. Then, the housing 20 is provided with an air suction port 201, and the roller brush 30 is arranged at the front end of the air suction port 201. The roller brush 30 rotates relative to the housing 20 to roll up the dust on the ground, and a negative pressure is formed at the air suction port 201. In order to inhale the dust, so as to realize the cleaning effect of the vacuum cleaner on the ground.

As shown in FIG. 2 , the ground brush mechanism 100 also includes a toothed comb 10 , which extends into the roller brush 30 , and the toothed comb 10 can clean the dust on the roller brush 30 . As shown in FIG. 4 , tooth comb 10 includes a main body 1 and a plurality of cutting tooth groups 2 arranged in a direction parallel to the axis of the roller brush 30, and the cutting tooth group 2 includes two cutting teeth 21 connected to the main body 1, The inclination direction of the two cutting teeth 21 relative to the main body 1 is opposite, the two cutting teeth 21 intersect with the end connected to the main body 1, the two cutting teeth 21 are arranged at an included angle, and the two cutting teeth 21 form the first cutting portion 23, when When there are many hairs on the roller brush 30, the hair slowly moves from the free end of the cutting tooth 21 to the root of the cutting tooth 21, and when the hair reaches the first cutting part 23, the first cutting part 23 can cut the hair, The cutting of the hair is more sufficient, the shortened hair is not easy to be entangled on the roller brush 30, the cleanliness of the roller brush 30 is ensured, and the cleaning ability of the ground brush mechanism 100 and the cleaning device 1000 is improved.

In addition, as shown in Figure 3, the tooth combs 10 are all arranged at the front end of the suction port 201, and the cut hair is sucked into the dust storage device 202 of the cleaning device 1000 by the negative pressure at the suction port 201, which can effectively prevent it from being cut off. The hair is again involved by the roller brush 30, which can effectively improve the cleanliness of the roller brush 30.

In addition, the shortened hairs will not be entangled on the roller brush 30 , avoiding partial missing or shortening of the bristles of the roller brush 30 , which can effectively improve the cleanliness of the roller brush 30 . In addition, the shortened hair smoothly enters the cyclone separator through the air inlet 201, and the shortened hair will not wrap around the filter screen of the cyclone separator, thereby ensuring a better filtering effect of the filter screen of the cyclone separator.

In other embodiments, the rolling brush 30 is conically arranged, as shown in Figure 5, a plurality of cutting tooth groups 2 are arranged along the tangential direction with the outer surface of the rolling brush 30, and the cleaning of the dust on the rolling brush 30 can also be achieved. Effect.

In other embodiments, due to space limitations, for example, in order to avoid the suction port 201, multiple cutting tooth groups 2 cannot be arranged along a straight line, so as to fully utilize the local space, multiple cutting tooth groups 2 are arranged along the curve Arrangement, along the fold line or along the direction parallel to the axis of the roller brush 30 staggered arrangement.

As shown in Fig. 3, Fig. 4 and Fig. 6, the main body 1 is connected with the housing 20, the cutting tooth 21 includes a connecting portion 211 and a combing portion 212, one end of the connecting portion 211 is fixedly connected with the main body 1, and the other end of the connecting portion 211 Fixedly connected with the combing portion 212, the combing portion 212 extends at least partially into the roller brush 30 from one end away from the connecting portion 211, and the combing portion 212 can comb the bristles on the roller brush 30 to prevent dust from accumulating in the roller brush 30.

The structure of tooth comb 10 is described in conjunction with Fig. 6, as shown in Fig. 6, when there are few hairs on the roller brush 30, the combing part 212 inserted in the roller brush 30 can hook the hair on the roller brush 30, and the combing part 212 includes The first cutting edge 2121, the first cutting edge 2121 is arranged on the side of the combing portion 212 away from the roller brush 30, and is basically parallel to the tangent of the contact position of the roller brush 30, when the roller brush 30 rotates relative to the housing 20, the roller brush 30 Pull the hair to move relative to the first cutting edge 2121, and the first cutting edge 2121 cuts off the hair entangled on the roller brush 30, so that the shortened hair is not easily entangled on the roller brush 30, ensuring the cleanliness of the roller brush 30 and improving the ground brush mechanism 100 and the cleaning capability of the cleaning device 1000. In addition, as shown in Figure 3, the tooth combs 10 are all arranged at the front end of the suction port 201, and the cut hair is sucked into the dust storage device 202 of the cleaning device 1000 by the negative pressure at the suction port 201, which can effectively prevent it from being cut off. The hair is again involved by the roller brush 30, which can effectively improve the cleanliness of the roller brush 30. In addition, the shortened hairs will not be entangled on the roller brush 30 , avoiding partial missing or shortening of the bristles of the roller brush 30 , which can effectively improve the cleanliness of the roller brush 30 . In addition, the shortened hair smoothly enters the cyclone separator through the air inlet 201, and the shortened hair will not wrap around the filter screen of the cyclone separator, thereby ensuring a better filtering effect of the filter screen of the cyclone separator.

The traditional combing part 212 and the connecting part 211 are arranged in a straight line, so the combing part 212 can only achieve the combing effect on the hair, and the combing part 212 has a poor blocking and hooking effect on the hair. In order to solve the above problems, as shown in Figure 3 and Figure 6, the combing part 212 is formed by the connecting part 211 extending obliquely downward and towards the roller brush 30, and the angle between the combing part 212 and the vertical direction is 0°-30°, The combing part 212 can effectively prevent the hair hooked on it from being involved in the roller brush 30 again, can achieve a better hooking effect on the hair, realize the separation of the hair and the roller brush 30, and effectively improve the cleanliness of the roller brush 30 .

Since the combing part 212 is at an angle of 0° to 30° with the vertical direction, the shorter length of the combing part 212 inserted into the roller brush 30 can prevent the hair from wrapping around the roller brush 30. As a preference, the The length of the connecting part 211 is 1 mm to 3 mm, and the length of the combing part 212 is 1 mm to 3 mm. The cutting teeth 21 of this size can prevent the hair from wrapping around the roller brush 30, and at the same time ensure that its size is small and occupies less space. , and will not accidentally injure the operator.

As a preferred solution, as shown in Figure 6, the connecting portion 211 is provided with a second cutting edge 2111. If there are more hairs on the roller brush 30, the hair will slowly accumulate and move from the combing portion 212 to the connecting portion 211, and the hair will be firstly removed. The first cutting edge 2121 performs the first cutting action, and some uncut hairs are subjected to the second cutting action by the second cutting edge 2111 along with the accumulation movement. By arranging the second cutting edge 2111 on the connecting portion 211, the effective distance of the hair being cut can be effectively extended, so that more hair is cut off, and the cleaning degree of the roller brush 30 is further improved, so that the cleaning effect of the cleaning device 1000 is better.

As a preferred solution, as shown in Figure 6, the second cutting edge 2111 and the first cutting edge 2121 intersect to form the second cutting portion 213, and the hair is hooked to the combing portion 212 driven by the roller brush 30, when the hair is hooked to When the second cutting part 213 is used, the hair is cut by the second cutting part 213, so that more hairs are cut off, and the cleaning degree of the roller brush 30 is further improved, so that the cleaning effect of the cleaning device 1000 is better.

When there are many hairs, the hairs will be stuck at the second cutting portion 213, causing the hairs stuck at the second cutting portion 213 to fail to slide to the first cutting edge 2121 for cutting, resulting in insufficient cutting of the hairs. In order to solve the above problems, as shown in Figure 7, the second cutting edge 2111 includes a first edge surface 21111 and a second edge surface 21112, the first edge surface 21111 extends toward the middle from one side of the second cutting edge 2111, the second The edge surface 21112 extends from the other side of the second cutting edge 2111 toward the middle, and the first edge surface 21111 and the second edge surface 21112 are arranged at an angle and intersect to form a first edge. The first cutting edge 2121 includes a third edge surface 21211 and a fourth edge surface 21212. The third edge surface 21211 extends toward the middle from one side of the first cutting edge 2121, and the fourth edge surface 21212 extends from the other side of the first cutting edge 2121. One side extends toward the middle, the third blade surface 21211 and the fourth blade surface 21212 are arranged at an angle and intersect to form a second cutting edge, the first blade surface 21111 and the third blade surface 21211 are connected by the first arc surface 214 , the second blade surface 21112 and the fourth blade surface 21212 are connected by the second arc surface 215 . The hair can smoothly pass through the first arc surface 214 and the second arc surface 215, and the hair can easily transition from the second cutting edge 2111 to the first cutting edge 2121, and then be cut by the first cutting edge 2121, which can ensure The sufficient cutting effect of the hair makes the cleaning degree of the roller brush 30 high and the cleaning effect of the cleaning device 1000 is good.

As a preferred solution, as shown in FIG. 6 , the main body 1 includes an air guide surface 11, the two ends of the air guide surface 11 are respectively connected to the connecting portion 211 and the front end of the air inlet 201, and the air guide surface 11 can dissipate the raised dust. It is better introduced into the suction port 201 to ensure a better cleaning effect of the cleaning device 1000 . As a preferred solution, as shown in Figure 7, the cutting edge of the second cutting edge 2111 is in the same plane as the wind guiding surface 11 or lower than the wind guiding surface 11, and the operator can This prevents the cutting edge of the second cutting edge 2111 protruding from the wind guiding surface 11 to cause cuts to the operator, and ensures the personal safety of the operator.

As shown in FIG. 4 , the connecting portion 211 is formed by extending the main body 1 toward the direction in which the roller brush 30 is arranged. By setting the first extending direction of the connecting portion 211 and the second extending direction of the main body 1 at an angle α, the angle α is an acute angle. , when the _preset space of L in Fig. 4 is constant, the length of the connecting portion 211 can be realized to be longer, thereby effectively increasing the length of the second cutting edge 2111, improving the effective length of cutting hair, and making the cutting of hair more sufficient .

As a preferred solution, as shown in Figure 8, the cutting tooth set 2 also includes auxiliary teeth 22, the two ends of the auxiliary teeth 22 are respectively connected with the two cutting teeth 21, the auxiliary teeth 22 include a third cutting edge 221, the third cutting edge The cutting edge of 221 is arranged towards the opening formed by the two cutting teeth 21, and the setting of the third cutting edge 221 can make the cutting of hair more fully, further improve the cleaning degree of the roller brush 30, and further improve the performance of the ground brush mechanism 100 and the cleaning device 1000. Cleaning effect. In addition, the extension direction of the third cutting edge 221, the extension direction of the first cutting edge 2121 and the second cutting edge 2111 are all different, through the mutual cooperation of the third cutting edge 221, the first cutting edge 2121 and the second cutting edge 2111 , can realize the cutting of hairs arranged in different ways, can realize the cutting effect on as many hairs as possible, and ensure the maximum degree of cleaning of the roller brush 30 .

Note that the basic principles and main features of the present invention and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and what is described in the above-mentioned embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Various changes and improvements fall within the scope of the claimed invention, which is defined by the appended claims and their equivalents.

Claims (14)

1. The utility model provides a scrubbing brush mechanism, its characterized in that, includes casing (20), round brush (30) and tooth comb, the tooth comb include main part (1) and a plurality of outstanding in cutting tooth group (2) of main part (1), cutting tooth group (2) include two with cutting tooth (21) that main part (1) are connected, two cutting tooth (21) are relative the inclination opposite direction of main part (1), two cutting tooth (21) with the one end that main part (1) is connected is crossing, two cutting tooth (21) are the contained angle setting, be provided with induction port (201) on casing (20), cutting tooth (21) include connecting portion (211) and carding portion (212), the main part includes wind-guiding face (11), wind-guiding face (11) both ends respectively with connecting portion (211) with induction port (201) are connected.

2. The floor brush mechanism according to claim 1, characterized in that both ends of the connecting portion (211) are connected to the main body (1) and the comb portion (212), respectively, the comb portion (212) including a first cutting edge (2121).

3. The floor brush mechanism according to claim 2, wherein the connecting portion (211) is formed by extending the main body (1) outward, and the extending direction of the connecting portion (211) is disposed at an acute angle to the extending direction of the main body (1).

4. The floor brush mechanism according to claim 1, characterized in that the cutting tooth set (2) further comprises auxiliary teeth (22), both ends of the auxiliary teeth (22) are respectively connected with two of the cutting teeth (21), the auxiliary teeth (22) comprise a third cutting edge (221), and the cutting edge of the third cutting edge (221) is arranged towards an opening formed by the two cutting teeth (21).

5. The floor brush mechanism according to claim 1, wherein the plurality of the cutting tooth groups (2) are arranged in a direction parallel to the axis of the roll brush (30), in a tangential direction of the outer surface of the roll brush (30), in a curved line, in a broken line, or in a staggered arrangement in a direction parallel to the axis of the roll brush (30).

6. The floor brush mechanism according to claim 5, characterized in that the connection (211) comprises a second cutting edge (2111).

7. The floor brush mechanism according to claim 6, characterized in that the cutting edge of the second cutting edge (2111) is in the same plane as the air guiding surface (11) or lower than the air guiding surface (11).

8. The floor brush mechanism of claim 7, wherein the second cutting edge (2111) and the first cutting edge (2121) intersect to form a second cutting portion (213).

9. The ground brush mechanism of claim 8, wherein the second cutting edge (2111) includes a first edge face (21111) and a second edge face (21112), the first edge face (21111) and the second edge face (21112) intersecting to form a first cutting edge; the first cutting edge (2121) includes a third edge face (21211) and a fourth edge face (21212), the third edge face (21211) and the fourth edge face (21212) intersecting to form a second edge; the first edge surface (21111) and the third edge surface (21211) are connected by a first circular arc surface (214), and the second edge surface (21112) and the fourth edge surface (21212) are connected by a second circular arc surface (215).

10. The floor brush mechanism according to any one of claims 1 to 9, wherein the roller brush (30) is pivotally connected to the housing (20), the main body (1) is connected to the housing (20), both ends of the connecting portion (211) are connected to the main body (1) and the carding portion (212), respectively, and the carding portion (212) extends into the roller brush (30) at least partially from an end away from the connecting portion (211).

11. The floor brush mechanism according to claim 10, wherein the roller brush (30) and the tooth comb are both provided at a front end of the suction port (201).

12. The floor brush mechanism according to claim 11, wherein the carding portion (212) is formed by the connection portion (211) extending obliquely downward and toward the rolling brush (30), and the carding portion (212) forms an angle of 0 ° to 30 ° with the vertical direction.

13. The floor brush mechanism according to claim 12, wherein the length of the connecting portion (211) is 1mm to 3mm, and the length of the carding portion (212) is 1mm to 3mm.

14. A cleaning device comprising a floor brush mechanism as claimed in any one of claims 1 to 13.

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