CN118058649A - Brush head device - Google Patents

Abstract

The invention relates to the technical field of pet brushes, in particular to a brush head device. The brush head device comprises a main body and a comb mechanism. Wherein, the main part includes inner wall and outer wall, and the outer wall cover is established outside the inner wall, makes and forms the wind channel between inner wall and the outer wall, and the first air inlet in wind channel is located the lower terminal surface of main part, is equipped with first air outlet on the outer wall, and one side and the intercommunication in wind channel of first air outlet, the opposite side can communicate with the dust absorption mouth. The comb mechanism is arranged at the lower end of the main body, and at least part of the comb mechanism protrudes out of the main body. When the comb needle assembly combs the pet hair, brush first device and dust absorption mouth intercommunication to when dust extraction starts, the wind channel can form the hair-sucking passageway with the dust absorption mouth intercommunication, makes the user comb the pet hair in-process, and the pet hair that does not twine on the comb needle can in time retrieve to dust extraction from the wind channel, avoids pet Mao Diaola in the environment, alleviates the user and cleans sanitary burden.

Description

Brush head device

Technical Field

The invention relates to the technical field of pet brushes, in particular to a brush head device.

Background

Pets are popular as companion of life. Among the pets, the best choice is to raise the pet cat and dog. Pet cats and dogs, as part of family members, have derived a range of pet products.

Because the number of the pet cats and dogs is Mao Jiaochang and more, frequent management is needed. At present, people often comb pet hair with a brush head device similar to a comb.

In the prior art, the brush head device comprises a carding mechanism for carding pet hair. When the user wants to comb the pet hair, the comb needle mechanism is used for repeatedly combing the pet hair on the pet skin. In the carding process, most of pet hairs that drop on the pet body can twine on the carding machine to the user's later stage clearance of being convenient for. However, during the carding process, a part of pets Mao Diaola are still in the environment, which causes environmental pollution and increases the burden of cleaning the user.

In order to solve the above problems, it is needed to provide a brush head device, which solves the problems of environmental pollution caused by dropping of part of pet hair and increasing of cleaning burden of users.

Disclosure of Invention

The invention aims to provide a brush head device so as to achieve the effects of timely recovering pet hair which is not wound on a comb needle mechanism in the process of carding the pet hair, avoiding pets Mao Diaola in the environment and reducing the burden of cleaning sanitation of users.

To achieve the purpose, the invention adopts the following technical scheme:

a brush head assembly connectable to a suction opening in a suction device, the brush head assembly comprising:

the main body comprises an inner wall and an outer wall, the outer wall is sleeved outside the inner wall, an air channel is formed between the inner wall and the outer wall, a first air inlet of the air channel is positioned on the lower end face of the main body, a first air outlet is arranged on the outer wall, one side of the first air outlet is communicated with the air channel, and the other side of the first air outlet can be communicated with the dust collection port; and

The comb needle mechanism is arranged at the lower end of the main body, and at least part of the comb needle mechanism protrudes out of the main body.

As an alternative, the lower end surfaces of the inner wall and the outer wall are in the form of openings to form the annular first air inlet of the air duct.

As an alternative, the air duct extends spirally upward along the lower end of the main body to the first air outlet.

As an alternative, at the lower end of the main body, the inner wall is provided protruding from the outer wall.

As an alternative, the card wire mechanism includes:

The fixed plate is connected with the lower end face of the main body;

the comb needle assembly is arranged on the fixed plate; and

The movable plate is arranged in parallel with the fixed plate, a first mounting hole is formed in the movable plate, one end of the fixed plate, which is far away from the comb needle assembly, penetrates through the first mounting hole and protrudes out of the movable plate, the movable plate can be switched between a first position and a second position along the up-down direction, the first position is that the movable plate is located at a position close to the fixed plate, the second position is that the movable plate is far away from the fixed plate, and the tip of the fixed plate is far away from the position, which is not separated from the first mounting hole, of the comb needle assembly.

As an alternative, the brush head device further comprises:

And a driving mechanism provided on the main body, the driving mechanism being configured to drive the movable plate to switch from the first position to the second position.

As an alternative, the driving mechanism includes:

the upper end cover of the main body is provided with a second mounting hole, and the driving piece is slidably arranged in the second mounting hole in a penetrating manner;

The transmission assembly is arranged between the movable plate and the output end of the driving piece, and the driving piece can drive the movable plate to switch from the first position to the second position through the transmission assembly.

As an alternative, the transmission assembly includes:

the driving gear is rotatably arranged on the driving piece;

The main body further comprises a lower end cover arranged on the inner wall, an accommodating cavity is formed by surrounding the inner wall and the lower end cover, the first rack is arranged on the lower end cover and is positioned in the accommodating cavity, and the first rack is meshed with the driving gear; and

The second rack is arranged opposite to the first rack, is meshed with the driving gear and is connected with the movable plate.

As an alternative, the second rack includes:

A serration part engaged with the driving gear; and

The guide part is connected with the sawtooth part, and the guide part is located the lower extreme of sawtooth part, be equipped with on the lower extreme cover along the guiding hole of upper and lower direction extension, the guide part wears to locate in the guiding hole.

As an alternative, the second rack further includes:

the first limiting part is arranged on the guide part, a second limiting part is arranged on the side wall of the guide hole, and when the movable plate moves to the second position, the first limiting part is abutted with the second limiting part.

As an alternative, the second rack is hollow shell structure, the second rack includes first lateral wall and second lateral wall, first lateral wall face comb needle mechanism sets up, the second lateral wall with first lateral wall interval sets up, be equipped with the second air inlet on the first lateral wall, be equipped with the second air outlet on the second lateral wall, the fly leaf is located when the first position, the second air inlet with the second air outlet is in the shutoff state, the fly leaf is located when the second position, the second air outlet can with first air outlet intercommunication, and the second air inlet protrusion this moment the fly leaf.

As an alternative, the movable plate includes:

The body is arranged opposite to the fixed plate; and

The abutting part is connected with the body, is parallel to the guide part and penetrates through the guide hole, and when the driving piece drives the second rack to move downwards for a preset distance, the first limiting part can abut against the abutting part, the second air inlet protrudes out of the movable plate, and the second rack can drive the movable plate to move downwards continuously to the second position.

The beneficial effects of the invention are as follows:

The invention provides a brush head device capable of being connected with a dust collection opening of a dust collection device. The brush head device comprises a main body and a comb mechanism. Wherein, the main part includes inner wall and outer wall, and the outer wall cover is established outside the inner wall, makes and forms the wind channel between inner wall and the outer wall, and the first air inlet in wind channel is located the lower terminal surface of main part, is equipped with first air outlet on the outer wall, and one side and the intercommunication in wind channel of first air outlet, the opposite side can communicate with the dust absorption mouth. The comb mechanism is arranged at the lower end of the main body, and at least part of the comb mechanism protrudes out of the main body. When the comb needle assembly combs the pet hair, brush first device and dust absorption mouth intercommunication to when dust extraction starts, the wind channel can form the hair-sucking passageway with the dust absorption mouth intercommunication, makes the user comb the pet hair in-process, and the pet hair that does not twine on the comb needle can in time retrieve to dust extraction from the wind channel, avoids pet Mao Diaola in the environment, alleviates the user and cleans sanitary burden.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a brush head device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a brush head device according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of FIG. 2 at A;

FIG. 4 is a schematic diagram of a brush head device according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a movable plate in a first position according to an embodiment of the present invention;

FIG. 6 is a schematic view of the partial structure of FIG. 5;

FIG. 7 is a schematic cross-sectional view of a movable plate in a second position according to an embodiment of the present invention;

FIG. 8 is a schematic view of the partial structure of FIG. 7;

fig. 9 is a schematic structural view of a second rack according to an embodiment of the present invention.

The figures are labeled as follows:

100-brush head device; 200-dust collection device; 201-a dust collection port;

1-a main body; 11-inner wall; 12-an outer wall; 13-an air duct; 131-a first air inlet; 132-a first air outlet; 14-an upper end cap; 141-a second mounting hole; 15-a receiving cavity; 16-a lower end cap; 161-guiding holes; 162-a second limit;

2-a carding mechanism; 21-a fixed plate; 22-a comb assembly; 221-carding wire; 23-a movable plate; 231-a first mounting hole; 232-a body; 233-an abutment;

3-a driving mechanism; 31-a driving member; 32-a transmission assembly; 321-a drive gear; 322-first rack; 323-a second rack; 3231-serration; 3232—a guide; 3233—a first limit portion; 3234—a first sidewall; 32341-a second air inlet; 3235-a second sidewall; 32351-a second air outlet; 3236—a guide bar;

4-connecting pipe.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only a part of structures related to the present invention, not the whole structures, are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication of structures in two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 6, the present invention provides a brush head device 100, wherein the brush head device 100 can be connected to a dust collection port 201 of a dust collection device 200, and pet hair on the brush head device 100 can be collected through the dust collection port 201 by utilizing the dust collection capability of the dust collection device 200. Specifically, the brush head device 100 includes a card wire mechanism 2. When the user wants to comb the pet hair, the comb mechanism 2 is used to repeatedly comb the pet hair on the pet skin. During the carding process, most of the pet hairs that drop on the pet body can be wound on the carding machine 2, so that the user can clean the pet hairs at a later stage. Specifically, as shown in fig. 2 and 3, the comb needle 221 device includes a comb needle assembly 22 composed of a plurality of comb needles 221, and the plurality of comb needles 221 are arranged in an array to form the comb needle assembly 22 with a certain area, and the contact area between the comb needle 221 device and the pet epidermis is large, which is beneficial to improving the carding efficiency, and is beneficial to enabling more pets Mao Chanrao to be on the comb needles 221 and avoiding pets Mao Diaola.

However, during the carding process, a part of pets Mao Diaola are still in the environment, which causes environmental pollution and increases the burden of cleaning the user. In order to solve this problem, as shown in fig. 2, 5 and 6, the brush head device 100 of the present embodiment further includes a main body 1, the main body 1 includes an inner wall 11 and an outer wall 12, the outer wall 12 is sleeved outside the inner wall 11, so that an air duct 13 is formed between the inner wall 11 and the outer wall 12, a first air inlet 131 of the air duct 13 is located at a lower end face of the main body 1, a first air outlet 132 is provided on the outer wall 12, one side of the first air outlet 132 is communicated with the air duct 13, and the other side can be communicated with the dust collection port 201. The comb mechanism 2 is provided at the lower end of the main body 1, and at least part of the comb mechanism 2 is protruded from the main body 1 so as to comb pet hair. When the comb needle assembly 22 combs pet hair, the brush head device 100 is communicated with the dust collection port 201, so that when the dust collection device 200 is started, the air duct 13 can be communicated with the dust collection port 201 to form a hair collection channel, and in the process of combing the pet hair by a user, the pet hair which is not wound on the comb needle 221 can be timely recovered to the dust collection device 200 from the air duct 13, so that the pet Mao Diaola is prevented from being in the environment, and the burden of cleaning the sanitation of the user is reduced.

Illustratively, the body 1 may be cylindrical, rectangular, or square in shape, in which case the inner wall 11 and the outer wall 12 are the same shape as the body 1. In this example, the main body 1 is cylindrical, and the inner wall 11 and the outer wall 12 are also cylindrical structures, which is beneficial to ensuring the uniformity of wind power at different positions in the air duct 13.

With continued reference to fig. 2, further, the lower end surfaces of the inner wall 11 and the outer wall 12 are in an opening form to form an annular first air inlet 131 of the air duct 13, and the first air inlet 131 is an integral annular area between the inner wall 11 and the outer wall 12, and the area of the first air inlet 131 is larger, so that the proportion of the recovered pet hair is improved.

In addition, the air duct 13 extends upwards to the first air outlet 132 along the lower end spiral of the main body 1, and at this time, after the annular first air inlet 131 sucks in a large area, the suction force of the larger dust suction device 200 is buffered by the spiral upwards air duct 13, so that uncomfortable feeling of the pet caused by overlarge suction force is avoided.

Meanwhile, if the user combs the pet hair, the lower end surface of the main body 1 is attached to the pet hair or the pet skin, so that the first air inlet 131 is attached to the pet hair or the pet skin, the pet hair is easily sucked, or the pet skin seals the first air inlet 131, thereby causing uncomfortable feeling of the pet. In order to avoid this problem, as shown in fig. 5 and 6, at the lower end of the main body 1, the inner wall 11 protrudes from the outer wall 12, so that the first air inlet 131 is always spaced from the pet skin, which is beneficial to ensuring that the first air inlet 131 is not blocked.

As shown in fig. 5 and 6, the main body 1 further includes a lower end cap 16, and the lower end cap 16 is blocked on the lower end surface of the inner wall 11. The card wire mechanism 2 further includes a fixing plate 21 connected to the lower end surface of the main body 1, and the card wire assembly 22 is provided on the fixing plate 21, the fixing plate 21 being used for fixing the card wire assembly 22 to improve the stability of the card wire 221 carding pet hair. It will be appreciated that the fixing plate 21 is fixed to the lower end face of the lower end cap 16. Of course, the main body 1 further comprises an upper end cover 14, and the upper end cover 14 covers one ends of the outer wall 12 and the inner wall 11 far away from the first air inlet 131, which is beneficial to ensuring the tightness of the air duct 13 and improving the aesthetic property of the main body 1.

Since the comb mechanism 2 combs the pet hairs, a large number of pets Mao Chanrao are on the comb 221, and the pet hairs are troublesome to clean, which brings great trouble to the user. To solve this problem, please refer to fig. 5 and 6, the comb mechanism 2 further includes a movable plate 23 disposed parallel to the fixed plate 21, a first mounting hole 231 is provided on the movable plate 23, one end of the comb assembly 22 away from the fixed plate 21 passes through the first mounting hole 231 and protrudes out of the movable plate 23, the movable plate 23 can be switched between a first position and a second position along the up-down direction, the first position is a position where the movable plate 23 is close to the fixed plate 21, the second position is a position where the movable plate 23 is far away from the fixed plate 21, and the tip of the comb assembly 22 away from the fixed plate 21 is not separated from the first mounting hole 231. When the user combs the pet hair, the movable plate 23 is positioned at the first position, and at this time, the comb teeth 221 protrude from the movable plate 23, so that the user can comb the pet hair conveniently. When the user wants to clean the pet hair wound on the comb pin 221, the user only needs to slide the movable plate 23 to the second position, and the pet hair can be successfully pushed out by using the side wall of the first mounting hole 231, so that the user can clean the pet hair conveniently, and the efficiency of cleaning the comb pin assembly 22 can be improved. When the cleaning is completed, the user can manually push the movable plate 23 to switch it to the first position. At the same time, the second position of the movable plate 23 is beneficial to improving the recovery rate of pet hair and avoiding the pet hair from remaining on the comb needle 221.

For example, the first mounting holes 231 may be bar-shaped holes, each row of the comb pins 221 passes through the same bar-shaped hole at the same time, and the number of the first mounting holes 231 is plural, and the number of the first mounting holes 231 is set corresponding to the number of columns of the comb pins 221. At this time, the movable plate 23 has a simple structure and is easy to process.

Of course, in other embodiments, the first mounting holes 231 may be a plurality of circular holes corresponding to the comb pins 221, and in this case, the first mounting holes 231 are disposed in a one-to-one correspondence with the comb pins 221, and each comb pin 221 is disposed through the first mounting hole 231.

Further, referring to fig. 5 to 8, the brush head device 100 further includes a driving mechanism 3 disposed on the main body 1, and the driving mechanism 3 can drive the movable plate 23 to switch from the first position to the second position, thereby further providing convenience for the user to clean the pet hair on the comb needle 221.

In particular, with continued reference to fig. 5-8, the drive mechanism 3 includes a drive member 31 and a transmission assembly 32. The upper end cover 14 is provided with a second mounting hole 141, the driving member 31 slidably passes through the second mounting hole 141, the transmission assembly 32 is disposed between the movable plate 23 and the output end of the driving member 31, and the driving member 31 can drive the movable plate 23 to switch from the first position to the second position through the transmission assembly 32. At this time, the driving member 31 is located on the upper end cover 14 for user operation, and the motion of the driving member 31 located on the upper end cover 14 is transmitted to the movable member located on the lower end cover 16 by using the transmission assembly 32, so as to realize long-distance stable transmission, and be beneficial to ensuring stable operation of the driving mechanism 3.

Alternatively, as shown in fig. 6 and 8, the transmission assembly 32 includes a drive gear 321, a first rack 322, and a second rack 323. Wherein, drive gear 321 rotatably sets up on driving piece 31, and inner wall 11 and bottom end cover 16 enclose to establish and form and hold chamber 15, and first rack 322 sets up on bottom end cover 16, and is located and hold chamber 15, and first rack 322 and drive gear 321 meshing, second rack 323 and first rack 322 relative setting, and second rack 323 and drive gear 321 meshing, second rack 323 is connected with fly leaf 23. When the driving member 31 moves downward, the driving gear 321 moves synchronously with the driving member 31, and since the driving gear 321 is simultaneously meshed with the first rack 322 and the second rack 323, and the first rack 322 is fixed on the lower end cover 16 and cannot move, the second rack 323 can slide downward, when the driving gear 321 moves downward, the driving gear 321 rolls downward relative to the first rack 322, and then rolls relative to the second rack 323, so as to drive the second rack 323 to move downward, and the movable plate 23 is conveniently driven to switch from the first position to the second position.

In this embodiment, the center of the driving gear 321 is rotatably connected with the driving member 31, and when the center of the driving gear 321 moves downward, the center of the driving gear 321 is converted into a downward linear motion of the second rack 323 driven by the outer periphery of the driving gear 321, that is, the motion distance of the second rack 323 is far greater than the motion distance of the driving gear 321, so that the motion travel of the movable plate 23 is not limited by the height of the main body 1 in the vertical direction, which is beneficial to realizing that the motion distance of the movable plate 23 is sufficient under the condition of ensuring that the main body 1 is small and attractive in volume.

More specifically, as shown in fig. 6, 8 and 9, the second rack 323 includes a serration portion 3231 and a guide portion 3232. The serration portion 3231 is engaged with the driving gear 321, the guide portion 3232 is connected to the serration portion 3231, the guide portion 3232 is located at a lower end of the serration portion 3231, the lower end cap 16 is provided with a guide hole 161 extending in a vertical direction, and the guide portion 3232 is inserted into the guide hole 161. When the second rack 323 drives the movable plate 23 to move downward, the second rack 323 also moves downward, and at this time, the guide portion 3232 slides in the guide hole 161. The serration part 3231 and the guide part 3232 of the second rack 323 are integrally formed, which is advantageous in simplifying the structure of the second rack 323.

Optionally, the second rack 323 further includes a first limiting portion 3233 disposed on the guiding portion 3232, a second limiting portion 162 is disposed on a side wall of the guiding hole 161, and when the movable plate 23 moves to the second position, the first limiting portion 3233 abuts against the second limiting portion 162. The first limiting portion 3233 and the second limiting portion 162 cooperate to prevent the moving distance of the movable plate 23 from being too large, and prevent the comb pin 221 from being separated from the first mounting hole 231 of the movable plate 23.

As an alternative, referring to fig. 6, 8 and 9, the second rack 323 is a hollow shell structure, the second rack 323 includes a first side wall 3234 and a second side wall 3235, the first side wall 3234 faces the comb needle mechanism 2, the second side wall 3235 is spaced from the first side wall 3234, a second air inlet 32341 is provided on the first side wall 3234, a second air outlet 32351 is provided on the second side wall 3235, when the movable plate 23 is located at the first position, the second air inlet 32341 and the second air outlet 32351 are in a blocking state, when the movable plate 23 is located at the second position, the second air outlet 32351 can be communicated with the first air outlet 132, and at this time, the second air inlet 32341 protrudes out of the movable plate 23. When the movable plate 23 is located at the second position, the dust collection opening 201 of the dust collection device 200, the first air outlet 132, the second air outlet 32351 and the second air inlet 32341 form a new dust collection channel, so that pet hair pushed out by the movable plate 23 can be sucked from the second air inlet 32341, and the dust collection device 200 can be directly recovered, thereby providing convenience for a user to clean the pet hair on the comb-needle mechanism 2.

It is appreciated that the serrations 3231 are provided on the first side wall 3234 such that the serrations 3231 are disposed opposite the first rack 322.

Meanwhile, the movable plate 23 includes a body 232 and an abutting portion 233. The body 232 is disposed opposite to the fixed plate 21, the abutting portion 233 is connected to the body 232, and the abutting portion 233 is parallel to the guiding portion 3232 and penetrates the guiding hole 161, when the driving member 31 drives the second rack 323 to move downward by a preset distance, the first limiting portion 3233 can abut against the abutting portion 233, the second air inlet 32341 protrudes out of the movable plate 23, and the second rack 323 can continuously move downward to drive the movable plate 23 to move to the second position. When the second rack 323 moves downward, the lower end of the guide portion 3232 first protrudes out of the movable plate 23, and when the second rack 323 moves a preset distance, the abutting portion 233 abuts against the first limiting portion 3233, and the abutting portion 233 is pushed by the first limiting portion 3233, so that the movable plate 23 is pushed to move downward, and movement of the movable plate 23 is achieved. When the movable plate 23 moves to the second position, a part of the lower end of the guide portion 3232 protrudes from the movable plate 23, and the protruding movable plate 23 provides a space for the second air inlet 32341, so that pet hair can be recovered from the second air inlet 32341 by the dust collecting device 200.

Further, in this embodiment, the first side wall 3234 and the second side wall 3235 may be shaped corresponding to the inner wall 11, and the dimensions thereof may also be designed according to the diameter of the inner wall 11 or the outer wall 12, which is beneficial to making the second air inlet 32341 of sufficient dimensions, so that the dust collecting device 200 is easier to recover the pet hair on the movable plate 23.

It will be appreciated that after the recovery of pet hair is completed, the user can manually push the movable plate 23 to reset it.

Further, referring to fig. 9, the second rack 323 further includes a guide bar 3236 extending in the up-down direction, and a guide groove is further provided on the main body 1, and the guide bar 3236 can slide in the guide groove to provide guidance for the up-down movement of the second rack 323.

In addition, in order to facilitate connection of the main body 1 with the dust collection device 200, the brush head device 100 further includes a connection pipe 4 connected between the first air outlet 132 and the dust collection port 201.

Note that the basic principles and main features of the present invention and advantages of the present invention are shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (12)

1. A brush head device connectable to a suction opening (201) in a suction device (200), the brush head device comprising:

The dust collection device comprises a main body (1), wherein the main body (1) comprises an inner wall (11) and an outer wall (12), the outer wall (12) is sleeved outside the inner wall (11), an air channel (13) is formed between the inner wall (11) and the outer wall (12), a first air inlet (131) of the air channel (13) is positioned on the lower end face of the main body (1), a first air outlet (132) is arranged on the outer wall (12), one side of the first air outlet (132) is communicated with the air channel (13), and the other side of the first air outlet is communicated with the dust collection port (201); and

The comb needle mechanism (2) is arranged at the lower end of the main body (1), and at least part of the comb needle mechanism (2) protrudes out of the main body (1).

2. The brush head arrangement according to claim 1, characterized in that the lower end surfaces of the inner wall (11) and the outer wall (12) are in the form of openings to form an annular first air inlet (131) of the air duct (13).

3. The brush head arrangement according to claim 1, characterized in that the air duct (13) extends helically upwards along the lower end of the main body (1) to the first air outlet (132).

4. A brush head arrangement according to claim 1, characterized in that at the lower end of the body (1) the inner wall (11) is arranged protruding from the outer wall (12).

5. A brush head arrangement according to any of claims 1-4, characterized in that the comb mechanism (2) comprises:

a fixing plate (21) connected to the lower end surface of the main body (1);

A comb assembly (22) provided on the fixing plate (21); and

Fly leaf (23), with fixed plate (21) parallel arrangement, be equipped with first mounting hole (231) on fly leaf (23), comb needle subassembly (22) are kept away from the one end of fixed plate (21) is passed first mounting hole (231) and protrusion fly leaf (23), fly leaf (23) can be followed the upper and lower direction and is switched between first position and second position, first position is fly leaf (23) are located and are close to the position of fixed plate (21), the second position is fly leaf (23) are kept away from fixed plate (21), just comb needle subassembly (22) are kept away from the tip of fixed plate (21) does not break away from the position of first mounting hole (231).

6. The brushhead apparatus of claim 5, wherein the brushhead apparatus further comprises:

-a driving mechanism (3) arranged on the main body (1), the driving mechanism (3) being configured to drive the movable plate (23) to switch from the first position to the second position.

7. A brush head arrangement according to claim 6, characterized in that the drive mechanism (3) comprises:

The upper end cover (14) of the main body (1) is provided with a second mounting hole (141), and the driving piece (31) is slidably penetrated in the second mounting hole (141);

The transmission assembly (32) is arranged between the movable plate (23) and the output end of the driving piece (31), and the driving piece (31) can drive the movable plate (23) to switch from the first position to the second position through the transmission assembly (32).

8. The brush head arrangement of claim 7, wherein the transmission assembly (32) comprises:

a drive gear (321) rotatably provided on the drive member (31);

The first rack (322) is arranged on the lower end cover (16) on the inner wall (11), the inner wall (11) and the lower end cover (16) are surrounded to form a containing cavity (15), the first rack (322) is arranged on the lower end cover (16) and is positioned in the containing cavity (15), and the first rack (322) is meshed with the driving gear (321); and

And a second rack (323) which is arranged opposite to the first rack (322), wherein the second rack (323) is meshed with the driving gear (321), and the second rack (323) is connected with the movable plate (23).

9. The brush head arrangement of claim 8, wherein the second rack (323) comprises:

A serration part (3231) which is engaged with the drive gear (321); and

The guide part (3232) is connected with the sawtooth part (3231), the guide part (3232) is positioned at the lower end of the sawtooth part (3231), the lower end cover (16) is provided with a guide hole (161) extending along the up-down direction, and the guide part (3232) is penetrated in the guide hole (161).

10. The brush head arrangement of claim 9, wherein the second rack (323) further comprises:

The first limiting part (3233) is arranged on the guide part (3232), a second limiting part (162) is arranged on the side wall of the guide hole (161), and when the movable plate (23) moves to the second position, the first limiting part (3233) is abutted with the second limiting part (162).

11. The brush head arrangement according to claim 10, characterized in that the movable plate (23) comprises:

A body (232) disposed opposite to the fixing plate (21); and

The abutting part (233) is connected with the body (232), the abutting part (233) is parallel to the guide part (3232) and penetrates through the guide hole (161), when the driving piece (31) drives the second rack (323) to move downwards for a preset distance, the first limiting part (3233) can abut against the abutting part (233), the second air inlet (32341) protrudes out of the movable plate (23), and the second rack (323) can drive the movable plate (23) to move downwards continuously to the second position.

12. The brush head device according to any one of claims 8-11, wherein the second rack (323) is a hollow shell structure, the second rack (323) includes a first side wall (3234) and a second side wall (3235), the first side wall (3234) faces the comb needle mechanism (2), the second side wall (3235) is spaced from the first side wall (3234), a second air inlet (32341) is provided on the first side wall (3234), a second air outlet (32351) is provided on the second side wall (3235), the movable plate (23) is in a blocking state when the movable plate (23) is in the first position, the second air outlet (32351) can be communicated with the first air outlet (132), and the second air inlet (32341) protrudes out of the movable plate (23) when the movable plate (23) is in the second position.