CN219352730U - Pet cleaner - Google Patents

Abstract

The utility model belongs to the technical field of pet supplies, and particularly relates to a pet cleaning machine, wherein a fan shell is arranged in an installation cavity of a shell component, a fan driving piece is arranged in a containing cavity of the fan shell, the fan driving piece comprises a driving main body, a first impeller and a second impeller, the first impeller is closer to an air inlet of the shell component relative to the second impeller, the concave surface of the first impeller faces towards the air inlet, the concave surface of the second impeller faces away from the air inlet, the air inlet is communicated with an air suction inlet of a dust collecting component, the fan shell is provided with a vent communicated with the containing cavity, so that the fan cleaning machine has a blowing and sucking integrated function, is convenient for users to use, and meets the blowing requirement of a blowing mode for large air quantity.

Description

Pet cleaner

Technical Field

The utility model belongs to the technical field of pet supplies, and particularly relates to a pet cleaning machine.

Background

With the development of society and the progress of living conditions, pet-fed people are increasing, wherein, main stream pets such as cats, dogs and the like often need to be cleaned with hair (firstly, hair-cutting and then hair-breaking) and cleaned with hair (usually, bathing), and after the hair is cleaned, the hair is dried in order to avoid various problems caused by the wet hair.

At present, the equipment for drying the hair of the pet is provided with a pet water blowing machine, the equipment for collecting the hair of the pet is provided with a pet dust collector, the function is single, and if a user wants to clean the hair or clean the hair of the pet, the user usually needs to purchase two products of the pet water blowing machine and the pet dust collector, and the equipment is troublesome to use and occupies a relatively large space.

The Chinese patent publication No. CN 213784775U discloses a pet blowing and sucking dual-purpose machine, when the hair of the pet needs to be dried, air enters from a drying air inlet and directly enters into a fan without filtering, and chips, dust, pet hair and the like in the air are easily sucked into the fan from the air inlet, so that the fan is easily damaged, and the normal operation of the fan is affected.

Accordingly, there is a need for a pet cleaning machine that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide a pet cleaning machine for solving the technical problems.

To achieve the above object, the present utility model provides a pet cleaning machine comprising:

the dust collection assembly comprises a dust cup and a filtering assembly connected with the dust cup, a dust collection cavity is arranged in the dust cup, and an air suction port communicated with the dust collection cavity is formed in the side wall of the dust cup;

The dust collecting assembly is connected with the shell assembly, an air inlet communicated with the air suction inlet and the mounting cavity is formed in one side of the shell assembly along the first direction, a first air outlet communicated with the mounting cavity is formed in the shell assembly, and the filtering assembly is located between the air inlet and the air suction inlet;

the fan driving assembly comprises a fan shell and a fan driving piece, wherein the fan shell is arranged in the installation cavity, the fan shell is internally provided with an accommodating cavity communicated with the air inlet and the installation cavity, the fan driving piece is arranged in the accommodating cavity, the fan driving piece comprises a driving main body and a first impeller and a second impeller which are connected to two sides of the driving main body along a first direction at intervals, the first impeller is relatively close to the air inlet relative to the second impeller, the concave surface of the first impeller faces the air inlet, the concave surface of the second impeller faces away from the air inlet, the driving main body is used for driving the first impeller and the second impeller to rotate in the same direction, and the fan shell is provided with a vent communicated with the accommodating cavity.

In some embodiments, the housing assembly further has a first annular air channel extending in a first direction, the first annular air channel being located on an outer peripheral side of the mounting cavity and in communication with the mounting cavity, an outer sidewall of the blower housing being spaced from an inner sidewall of the mounting cavity and forming a second annular air channel in communication with the first annular air channel and the receiving cavity.

In some embodiments, a cavity wall of the installation cavity near one side of the first air outlet is provided with a second air outlet which is communicated with the first annular air duct and the second annular air duct, the second air outlet is at least partially overlapped with the first air outlet in a projection manner along the second direction, and the first direction and the second direction are perpendicular.

In some embodiments, the second air outlet is closer to the first impeller than the second impeller along the first direction, and two ends of the first air outlet along the first direction extend to at least positions corresponding to the second impeller and the second air outlet respectively.

In some embodiments, the vent comprises a first vent and a second vent, the first vent being located on a side of the blower housing adjacent to the second impeller in the first direction, the second vent being located between the first impeller and the second impeller, the second impeller being located between the first vent and the second vent in the first direction;

the first distance between the inner wall and the outer wall of the first annular air channel is larger than the second distance between the inner wall and the outer wall of the second annular air channel, the width of the second air opening is larger than the second distance, and the length of the second air opening is larger than the width of the second air opening.

In some embodiments, the housing assembly includes an outer housing and an inner housing mounted within the outer housing;

the inner shell comprises a first inner shell and a second inner shell which are detachably connected along the first direction, the first inner shell comprises a first base part, a first protruding part and a second protruding part, the first protruding part and the second protruding part are protruding towards the second inner shell from the first base part, the first protruding part is arranged on the outer periphery side of the second protruding part in a surrounding mode to form a first annular air channel, a mounting cavity for mounting the fan shell is arranged in the second protruding part, and a first opening for communicating the mounting cavity with the first annular air channel is formed in the second protruding part;

the second inner shell comprises a second base, a third protruding part and a fourth protruding part, wherein the third protruding part and the fourth protruding part are protruding towards the first inner shell from the second base, a second opening which is communicated with the air inlet and the installation cavity is formed in the second base, the third protruding part is detachably connected with the first protruding part and is formed on the periphery side of the fourth protruding part in a surrounding mode at intervals, the fourth protruding part is detachably connected with the second protruding part and is internally provided with the installation cavity for installing the fan shell, and two ends of the fan shell along the first direction are respectively located in the installation cavity of the second protruding part and the installation cavity of the fourth protruding part.

In some embodiments, the first inner shell further comprises a supporting part protruding from the first base part towards the second inner shell, the second protruding part is arranged on the outer peripheral side of the supporting part in a surrounding mode, one end of the fan shell in the first direction is connected with the supporting part, and a first sealing piece is arranged between the other end of the fan shell in the first direction and the second base part;

the support part is far away from one side of the first air outlet along the second direction and is provided with a third opening which is communicated with the first annular air duct and the second annular air duct, the third opening is at least partially overlapped with the first opening in projection along the second direction, and the first direction is perpendicular to the second direction.

In some embodiments, the housing assembly includes an outer housing, an inner housing mounted in the outer housing, and a cover detachably connected to the outer housing along the first direction, the inner housing having the mounting cavity and the first annular air duct, the cover having the air inlet opening, the cover being located between the inner housing and the dust collection assembly along the first direction, the cover and the inner housing having a second seal therebetween along the first direction.

In some embodiments, the filter assembly is disposed on a side of the dust cup near the air inlet along the first direction, and the filter assembly comprises a filter screen assembly connected with the dust cup, and a HEPA assembly mounted on a side of the filter screen assembly near the air inlet along the first direction;

the filter screen assembly comprises a mounting frame, a first filter screen, a second filter screen and a third filter screen, wherein the mounting frame is connected with the dust cup and is detachably connected with the shell assembly, the first filter screen is mounted on one side, close to the HEPA assembly, of the mounting frame along the first direction, the filter surface of the second filter screen and the filter surface of the first filter screen are arranged at intervals along the first direction, the second filter screen and the third filter screen are mounted on one side, far away from the HEPA assembly, of the mounting frame along the first direction and extend into the dust cup in a protruding mode, the third filter screen extends along the first direction and is arranged on the peripheral side of the second filter screen in a surrounding mode, and the filter surface of the third filter screen and the filter surface of the second filter screen form an included angle;

the sea cucumber filter comprises a sea cucumber filter body, a first filter screen and a second filter screen, wherein the sea cucumber filter body is arranged on one side of the sea cucumber filter body, far away from the first filter screen, of the sea cucumber filter body, and the sea cucumber filter body is arranged on the other side of the sea cucumber filter body;

The sections of the second filter screen and the third filter screen perpendicular to the first direction are circular, and the radius difference of the two ends of the third filter screen along the first direction is smaller than the length of the third filter screen along the first direction.

In some embodiments, the pet cleaning machine further comprises a base, wherein the base comprises a bottom shell connected with the shell assembly, the bottom shell is provided with a containing cavity, and an air outlet pipeline and an air inlet pipeline which are arranged at intervals along the first direction and the air outlet pipeline are arranged in the containing cavity;

one end of the air outlet pipeline is in butt joint communication with the first air outlet, and the other end of the air outlet pipeline is provided with an air outlet interface for connecting a blowing pipe;

one end of the air inlet pipeline is in butt joint communication with the air suction inlet, and the other end of the air inlet pipeline is provided with an air suction interface for connecting an air suction pipe.

The beneficial effects of this application:

the utility model provides a pet cleaner is closer to the air intake through the relative second impeller of first impeller, and the concave surface of first impeller is towards the air intake, and the concave surface of second impeller deviates from the air intake, and drive main part drive first impeller and second impeller syntropy rotate for the air current of first impeller towards air intake one side produces the negative pressure, inhales the dust collection intracavity of dirt cup with external air by the inlet scoop, can realize dust collection mode's dust absorption function. Then through the air after filtering the subassembly and inhale the holding intracavity by the air intake, because the concave surface of second impeller deviates from the air intake, correspondingly, second impeller produces thrust to the air current towards air intake one side, and first impeller deviates from air intake one side and produces thrust to the air current, the velocity of flow is great when the air current is located between first impeller and the second impeller, the air output is great, in order to compensate because the air current is through the air loss behind dust collection chamber and the filter subassembly, and satisfy the demand of blowing to the air quantity is great to blowing the mode, can realize blowing the function of mode of blowing, the user need not additionally to purchase dust catcher or blowing water machine can both functions can be used, convenience of customers uses, and occupation space is less. The air flows in the dust collection mode and the air blowing mode are sucked into the dust collection cavity of the dust cup through the air suction opening, then air filtered by the filtering component is sucked into the accommodating cavity through the air inlet, and in the process, pet hair, dust and small particles in the air flow are filtered by the filtering component, so that the air flow entering the accommodating cavity of the fan driving component is filtered, and damage to the fan driving component is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings may be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a pet cleaner of the present utility model;

FIG. 2 is a schematic view of an exploded view of a pet cleaner according to the present utility model;

FIG. 3 is a schematic view of an exploded view of the pet cleaner of the present utility model at another angle;

FIG. 4 is a cross-sectional view of the pet cleaning machine of the present utility model;

FIG. 5 is a schematic view showing the structure of the fan drive assembly mounted on the inner housing in the pet cleaning machine of the present utility model;

FIG. 6 is a cross-sectional view of the dust collection assembly of the pet cleaning machine of the present utility model;

FIG. 7 is a schematic view of the structure of the first inner housing of the pet cleaning machine of the present utility model;

FIG. 8 is a schematic view of the structure of a second inner housing of the pet cleaning machine of the present utility model;

FIG. 9 is a schematic view of the structure of the fan drive assembly in the pet cleaning machine of the present utility model;

FIG. 10 is a schematic view of the structure of the fan drive assembly in the pet cleaning machine of the present utility model;

FIG. 11 is a schematic view showing an exploded structure of a base of the pet cleaner of the present utility model;

fig. 12 is a schematic view showing the structure of a channel switching assembly in the pet cleaning machine of the present utility model.

Description of main elements:

100. a pet cleaner;

10. a dust collection assembly; 11. a dust cup; 111. a dust collection chamber; 112. an air suction port; 12. a filter assembly; 121. a screen assembly; 1211. a mounting frame; 1212. a first mounting frame; 1213. a second mounting frame; 1214. a first filter screen; 1215. a second filter screen; 1216. a third filter screen; 122. a HEPA component; 1221. a HEPA supporting frame; 1222. a HEPA body;

20. a housing assembly; 21. a housing; 211. a receiving port; 22. an inner case; 221. a first inner housing; 2211. a first base; 2212. a first projection; 2213. a second projection; 2214. a support part; 2215. a first opening; 2216. a third opening; 222. a second inner case; 2221. a second base; 2222. a third projection; 2223. a fourth protrusion; 2224. a second opening; 223. a first air outlet; 23. the first annular air duct; 24. the second annular air duct; 25. a mounting cavity; 251. a second air outlet; 26. a cover body; 261. an air inlet; 27. a connecting ring;

30. A fan drive assembly; 31. a blower housing; 311. a receiving chamber; 312. a first vent; 313. a second vent; 32. a fan driving member; 321. a driving body; 322. a first impeller; 323. a second impeller; 324. a concave surface;

40. a base; 41. a bottom case; 411. a housing chamber; 412. an upper case; 413. a middle shell; 414. a lower case; 42. an air outlet pipeline; 421. an air outlet interface; 422. a third air outlet; 43. an air inlet pipeline; 44. an air suction interface; 45. blowing an air port;

50. a heating assembly;

60. a channel switching assembly; 61. a torsion spring; 62. a baffle;

71. a first seal; 72. a second seal;

81. a main control circuit board; 82. touching the control component; 83. and a micro-switch.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this embodiment of the present application, the first direction, the second direction, and the third direction are perpendicular to each other, and for convenience of description, the first direction is a front-back direction in the drawing, the second direction is an up-down direction in the drawing, and the second direction is a left-right direction in the drawing. The x-axis arrow direction is taken as a "front" direction in the following, the y-axis arrow direction is taken as a "right" direction in the following, and the z-axis arrow direction is taken as an "upper" direction in the following, which is not limited in the practical application of the present application.

As shown in fig. 1 to 3, a pet cleaning machine 100 provided in the present application is configured to include a dust collecting assembly 10, a housing assembly 20, a fan driving assembly 30, and a base 40, wherein the dust collecting assembly 10 is connected with the housing assembly 20, the fan driving assembly 30 is disposed in the housing assembly 20, and the base 40 is connected with the housing assembly 20. Wherein, the fan driving assembly 30 operates to suck the external air from the suction inlet 112, the dust collecting assembly 10 is used to filter the garbage sucked from the suction inlet 112, so as to blow clean air into the housing assembly 20 and sucked by the fan driving assembly 30, and then to exit from the housing assembly 20 and enter into the base 40 and be blown out from the base 40 to the outside. In this embodiment, the dust collection assembly 10 is connected to the front side of the housing assembly 20, and the base 40 is connected to the lower side of the housing assembly 20. In other embodiments, the dust collection assembly 10 may be coupled to other orientations of the housing assembly 20, and the base 40 may be coupled to other orientations of the housing, as desired, without limitation.

As shown in fig. 3, 4 and 6, the dust collecting assembly 10 includes a dust cup 11 and a filter assembly 12 connected to the dust cup 11, and the dust cup 11 may be detachably connected to the filter assembly 12 to replace and clean the filter assembly 12 and the dust cup 11, or the dust cup 11 may be fixedly connected to the filter assembly 12, which is not limited herein. A dust collection cavity 111 is arranged in the dust cup 11, and an air suction inlet 112 communicated with the dust collection cavity 111 is arranged on the side wall of the dust cup 11. Wherein the filter assembly 12 is used for filtering the waste sucked into the dust collection chamber 111 from the suction opening 112.

As shown in fig. 6, the filter assembly 12 is disposed on the side of the dust cup 11 near the air inlet 261 along the first direction, and the filter assembly 12 includes a filter screen assembly 121 connected with the dust cup 11, and a hepa assembly 122 mounted on the side of the filter screen assembly 121 near the air inlet 261 along the first direction. Wherein the filter assembly 121 and the hepa assembly 122 are disposed along the first direction to form a multiple filtering structure for better filtering effect.

As shown in fig. 6, in this embodiment, the filter screen assembly 121 includes a mounting frame 1211, a first filter screen 1214, a second filter screen 1215, and a third filter screen 1216, the mounting frame 1211 is connected to the dust cup 11 and is detachably connected to the housing assembly 20, the first filter screen 1214 is mounted on a side of the mounting frame 1211 along a first direction close to the hpa assembly 122, and a filtering surface of the second filter screen 1215 is spaced from a filtering surface of the first filter screen 1214 along the first direction, so that a filtering area greatly improves a filtering effect. In this embodiment, the second filter 1215 is disposed parallel to the filter surface of the first filter 1214, however, in other embodiments, the filter surfaces of the second filter 1215 and the first filter 1214 may be disposed at an angle. The second filter screen 1215 and the third filter screen 1216 are both installed on one side, far away from the HEPA component 122, of the installation frame 1211 along the first direction and extend into the dust cup 11, the third filter screen 1216 extends along the first direction and is arranged on the periphery of the second filter screen 1215 in a surrounding mode, and the filtering surface of the third filter screen 1216 and the filtering surface of the second filter screen 1215 form an included angle to increase the filtering area and the air inlet area, filter garbage better at different angles and delay the blocking time. In this embodiment, the filtering area of the second filter 1215 is substantially the same as that of the third filter 1216, so as to have better filtering effect and delay blocking effect, and reduce the cleaning times of the filter assembly 121. Of course, in other embodiments, the filtering area of the third filter screen 1216 may be larger or smaller, and is not limited herein.

The sections of the second filter 1215 and the third filter 1216 perpendicular to the first direction are circular, and the radius difference of the two ends of the third filter 1216 along the first direction is smaller than the length of the third filter 1216 along the first direction, so that the filtering paths of the air on the second filter 1215 and the third filter 1216 along the first direction are longer, and the filtering effect is enhanced.

As shown in fig. 6, the mounting frame 1211 includes a first mounting frame 1212 rotatably coupled to the dust cup 11 and a second mounting frame 1213 detachably coupled to a side of the first mounting frame 1212 adjacent to the dust cup 11, the first filter 1214 is mounted to the first mounting frame 1212, and the second filter 1215 and the third filter 1216 are mounted to the second mounting frame 1213 so as to open and clean the first filter 1214, the second filter 1215 and the third filter 1216.

As shown in fig. 6, the handkerchief component 122 includes a handkerchief support 1221 and a handkerchief body 1222 mounted on one side of the handkerchief support 1221 far away from the filtering component 12, wherein the filtering surfaces of the handkerchief body 1222 and the first filtering screen 1214 are arranged along the first direction at intervals, so that a space for air to circulate is provided between the handkerchief body 1222 and the first filtering screen 1214, and the blocking time is further delayed.

As shown in fig. 3 to 5, the housing assembly 20 has a mounting chamber 25 and a first annular air passage 23 extending in a first direction, the first annular air passage 23 being located on an outer peripheral side of the mounting chamber 25 and communicating with the mounting chamber 25. The dust collection assembly 10 is connected with the housing assembly 20, an air inlet 261 communicated with the air suction inlet 112 and the mounting cavity 25 is formed in one side of the housing assembly 20 along the first direction, a first air outlet 223 communicated with the first annular air duct 23 is formed in one side of the housing assembly 20 along the second direction, and the filter assembly 12 is located between the air inlet 261 and the air suction inlet 112. The first annular air duct 23 may enable the air flow to flow in the first annular air duct 23, increase the flow path of the air flow, form buffering, and reduce noise.

As shown in fig. 3 to 5, in the present embodiment, the housing assembly 20 includes an outer housing 21 and an inner housing 22 installed in the outer housing 21, the inner housing 22 is provided with an installation cavity 25 and a first annular air duct 23, the first air outlet 223 is a plurality of through holes formed in the inner housing, the air flow velocity is reduced, the noise is reduced, and the number of through holes is set to ensure a larger air output without affecting the air blowing effect. Of course, in other embodiments, the first air outlet 223 may be a through hole with a larger air outlet area; alternatively, in some embodiments, the first air outlet 223 may also be directly connected to the blowing pipe, and in some embodiments, the air inlet 112 may also be directly connected to the air suction pipe, where necessary, and not limited herein. Alternatively, in some embodiments, the housing assembly 20 may not include the outer housing 21 disposed outside the inner housing 22, as desired, without limitation.

As shown in fig. 5, 7 and 8, the inner case 22 includes a first inner case 221 and a second inner case 222 detachably coupled in a first direction to facilitate processing of the inner case 22 and the first annular duct 23.

The first inner case 221 includes a first base portion 2211, a first protruding portion 2212 protruding from the first base portion 2211 toward the second inner case 222, and a second protruding portion 2213, the first protruding portion 2212 is surrounded on the outer peripheral side of the second protruding portion 2213 at intervals to form a first annular air duct 23, a mounting cavity 25 for mounting the fan case 31 is provided in the second protruding portion 2213, and the second protruding portion 2213 is provided with a first opening 2215 communicating the mounting cavity 25 and the first annular air duct 23 for air flow from the mounting cavity 25 to the first annular air duct 23.

The second inner case 222 includes a second base 2221, a third protruding portion 2222 and a fourth protruding portion 2223 protruding from the second base 2221 toward the first inner case 221, the second base 2221 is provided with a second opening 2224 communicating the air inlet 261 and the installation cavity 25, the third protruding portion 2222 is detachably connected with the first protruding portion 2212 and surrounds the fourth protruding portion 2223 at intervals to form a first annular air duct 23, the fourth protruding portion 2223 is detachably connected with the second protruding portion 2213 and is provided with the installation cavity 25 for installing the fan case 31 therein, and two ends of the fan case 31 in the first direction are located in the installation cavity 25 of the second protruding portion 2213 and the installation cavity 25 of the fourth protruding portion 2223, respectively.

As shown in fig. 3 and 4, the housing assembly 20 further includes a cover 26 detachably connected to the outer housing 21 along the first direction, the cover 26 is provided with an air inlet 261, the cover 26 is located between the inner housing 22 and the dust collecting assembly 10 along the first direction, and a second sealing member 72 is disposed between the cover 26 and the inner housing 22 along the first direction, so as to prevent the air flow at the air inlet 261 from directly flowing into the first annular air duct 23 and between the inner housing 22 and the outer housing 21, so that the air flow flows to the accommodating cavity 311 in the fan housing 31.

As shown in fig. 4, 5, 9 and 10, the fan driving assembly 30 includes a fan housing 31 and a fan driving member 32 mounted in the mounting cavity 25, a receiving cavity 311 communicating with the air inlet 261 is disposed in the fan housing 31, wherein a through hole is disposed on a side of the fan housing 31 facing the air inlet 261 to enable the air inlet 261 to communicate with the receiving cavity 311. The fan driving piece 32 is installed in the holding chamber 311, the lateral wall of fan casing 31 and the inside wall interval setting of installation chamber 25 and form the second annular wind channel 24 with first annular wind channel 23 intercommunication, fan driving piece 32 includes driving body 321 and along first direction interval connection in the first impeller 322 and the second impeller 323 of driving body 321 both sides, first impeller 322 is closer to air intake 261 relative to second impeller 323, the concave surface 324 of first impeller 322 is towards air intake 261, the concave surface 324 of second impeller 323 deviates from air intake 261, driving body 321 is used for driving first impeller 322 and the same direction rotation of second impeller 323, the vent of intercommunication holding chamber 311 and second annular wind channel 24 has been seted up to fan casing 31.

Wherein, the first impeller 322 is closer to the air inlet 261 than the second impeller 323, the concave surface 324 of the first impeller 322 faces the air inlet 261, the concave surface 324 of the second impeller 323 faces away from the air inlet 261, the driving main body 321 drives the first impeller 322 and the second impeller 323 to rotate in the same direction, so that the air flow of the first impeller 322 facing one side of the air inlet 261 generates negative pressure to have suction force, and external air is sucked into the dust collection cavity 111 of the dust cup 11 from the air suction inlet 112, thereby realizing the dust collection function of dust collection mode. Then in the air filtered through filtering component 12 is inhaled holding chamber 311 by air intake 261, because the concave surface 324 of second impeller 323 deviates from air intake 261, correspondingly, second impeller 323 produces thrust to the air current towards air intake 261 one side, and first impeller 322 deviates from air intake 261 one side and produces thrust to the air current, the velocity of flow is great when the air current is located between first impeller 322 and the second impeller 323, the air output is great, in order to compensate because the air current is lost after through dust collection chamber 111 and filtering component 12, and satisfy to the mode of blowing to the great blowing demand of amount of wind, can realize the mode of blowing and weather the function, the user need not to additionally purchase dust catcher or blowing machine can both functions can both be used, convenient user uses, and occupation space is less. And then the air flow enters the second annular air duct 24 through the ventilation opening, is buffered through the path of the second annular air duct 24, and is further reduced through the first annular air duct 23, so that the noise influence caused by the large flow velocity of the air flow is effectively reduced, and a good noise reduction effect is realized. In addition, the air flows in the dust collection mode and the air blowing mode are both sucked into the dust collection cavity 111 of the dust cup 11 through the air suction port 112, and then the air filtered by the filtering component 12 is sucked into the accommodating cavity 311 through the air inlet 261, and in the process, the pet hair, dust and small particles in the air flow are filtered by the filtering component 12, so that the air flow entering the accommodating cavity 311 of the fan driving component 30 is the filtered air flow, and damage to the fan driving component 32 is avoided. Under the condition of being applied to the pet cleaner 100 to realize the function of blowing, the concave surface 324 of the first impeller 322 and the concave surface 324 of the second impeller 323 deviate from each other, and the driving main body 321 drives the first impeller 322 and the second impeller 323 to rotate in the same direction, so that the pet cleaner 100 has larger air outlet quantity on the premise of meeting the condition that the whole volume of the pet cleaner 100 is smaller and the volume of the fan driving assembly 30 is smaller, so that the hair of the pet can be dried quickly.

As shown in fig. 5 and 9, in the present embodiment, the driving main body 321 is a driving motor, the first impeller 322 and the second impeller 323 are connected to two sides of the driving main body 321 through connecting shafts, and when the driving main body 321 rotates, the first impeller 322 and the second impeller 323 are driven to rotate in the same direction. The ventilation openings comprise a first ventilation opening 312 and a second ventilation opening 313, the first ventilation opening 312 is located on one side of the fan housing 31 close to the second impeller 323 along the first direction, the second ventilation opening 313 is located between the first impeller 322 and the second impeller 323, the second impeller 323 is located between the first ventilation opening 312 and the second ventilation opening 313 along the first direction, so that an outflow channel for air flow between the first impeller 322 and the second impeller 323 is provided from different directions, and accordingly air flow is rapidly led out and air output is increased. Further, the cross-sectional dimension of the first air vent 323 perpendicular to the first direction is substantially the same as the cross-sectional dimension of the accommodating cavity 311 perpendicular to the first direction, so as to have a larger air output and further reduce the side wall compression of the blower housing 31. As shown in fig. 5 and 9, the first distance D1 between the inner wall and the outer wall of the first annular air duct 23 is greater than the second distance D2 between the inner wall and the outer wall of the second annular air duct 24, the width W1 of the second air opening 313 is greater than the second distance, and the length L1 of the second air opening 313 is greater than the width W1 of the second air opening 313 to further increase the air output while further avoiding damage to the blower housing 31. Under the condition of being applied to the pet cleaner 100 to realize the function of blowing, the concave surface 324 of the first impeller 322 and the concave surface 324 of the second impeller 323 deviate from each other, and the driving main body 321 drives the first impeller 322 and the second impeller 323 to rotate in the same direction, so that the pet cleaner has larger air outlet on the premise of meeting the condition that the whole volume of the pet cleaner is smaller and the volume of the fan driving assembly is smaller, so that the hair of the pet can be dried rapidly.

The second ventilation openings 313 are provided in a plurality in the circumferential direction of the fan housing 31 to further increase the air output. In the present embodiment, the second ventilation openings 313 are six and are uniformly arranged in the circumferential direction of the fan housing 31, so as to have a larger air output. Of course, in other embodiments, two or three or more second ventilation openings 313 may be provided, as needed, and are not limited herein.

In other embodiments, only the first ventilation opening 312 may be provided in the fan housing 31, or only the second ventilation opening 313 may be provided in the fan housing 31, which is not limited herein and may be provided as needed.

As shown in fig. 5, 7 and 8, in the present embodiment, the first projection 2212, the second projection 2213, the third projection 2222 and the fourth projection 2223 are substantially circular in cross section, and the first annular duct 23 and the second annular duct 24 are formed substantially in a circular shape so that the air outlet area is large to have a large air outlet amount. The first and third protrusions 2212 and 2222 are concavely and convexly engaged and snap-coupled, the second and fourth protrusions 2213 and 2223 are concavely and convexly engaged, the inner walls of the first and third protrusions 2212 and 2222 are substantially flush, and the inner walls of the second and fourth protrusions 2213 and 2223 are substantially flush, which is advantageous for the fluency of gas. Wherein, the first protruding portion 2212 and the third protruding portion 2222 are each provided with a first air outlet 223.

In other embodiments, the cross sections of the first protruding portion 2212, the second protruding portion 2213, the third protruding portion 2222 and the fourth protruding portion 2223 may also be square or have other shapes, and the first annular air duct 23 and the second annular air duct 24 formed correspondingly have square annular shapes or have other shapes, which are not limited herein, according to requirements. In other embodiments, the first protruding portion 2212 and the third protruding portion 2222 may be axially matched, and the second protruding portion 2213 and the fourth protruding portion 2223 may be axially matched, or the first protruding portion 2212 and the third protruding portion 2222 may be connected by a screw, and the second protruding portion 2213 and the fourth protruding portion 2223 may be in a snap-fit connection, or other detachable connection manners may be provided as needed, which is not limited herein. In other embodiments, the first air outlet 223 may be provided only on the first protruding portion 2212 or the second protruding portion 2213, or the first air outlet 223 may be provided on other portions of the outer side wall of the first inner casing 221 or the second inner casing 222, which is not limited herein.

As shown in fig. 4 and 5, the first air outlet 223 is opened on one side of the inner shell 22 near the base 40 along the second direction, the cavity wall of the installation cavity 25 near one side of the first air outlet 223 is opened with the second air outlet 251 which is communicated with the first annular air duct 23 and the second annular air duct 24, so as to increase the air outlet area and split the air flow in the second annular air duct 24, reduce the internal pressure of the shell assembly 20 and reduce the noise, and in addition, the second air outlet 251 and the first air outlet 223 are both arranged on one side of the shell assembly 20 near the base 40, which is favorable for converging partial air flow in the second annular air duct 24 into the first annular air duct 23 quickly and increasing the air outlet. The second air outlet 251 is at least partially overlapped with the first air outlet 223 along the second direction in a projection manner, and the first direction is perpendicular to the second direction, so that part of air flow in the second annular air duct 24 rapidly flows out of the first air outlet 223, and the air outlet quantity is further increased.

As shown in fig. 5, the second air outlet 251 is closer to the first impeller 322 along the first direction than the second impeller 323, and two ends of the first air outlet 223 along the first direction extend to at least the positions corresponding to the second impeller 323 and the second air outlet 251 respectively, so that the second air outlet 251 has a larger size in the first direction, and the air outlet area is larger, so as to further increase the air outlet quantity.

As shown in fig. 5, the first inner case 221 further includes a supporting portion 2214 protruding from the first base portion 2211 toward the second inner case 222, the second protruding portion 2213 is surrounded on the outer peripheral side of the supporting portion 2214 at intervals, one end of the fan case 31 along the first direction is connected with the supporting portion 2214, a first sealing member 71 is disposed between the other end of the fan case 31 along the first direction and the second base portion 2221, so as to prevent the air flow at the air inlet 261 from directly flowing into the second annular air duct 24, so that the air flow flows to the accommodating cavity 311 in the fan case 31, and in addition, the first sealing member 71 can also support the fan case 31 to the second inner case 222.

As shown in fig. 5, a third opening 2216 communicating the first annular air duct 23 and the second annular air duct 24 is formed on one side of the support portion 2214 away from the first air outlet 223 along the second direction, so that the air flow in the accommodating cavity 311 flows from the first ventilation opening 312 to the third opening 2216 and then flows to the first annular air duct 23, and the path is longer, which is beneficial to noise reduction. The third opening 2216 is at least partially overlapped with the first opening 2215 in the projection along the second direction, so that the air flow at the third opening 2216 flows into the first opening 2215 faster, and the air output is increased.

As shown in fig. 5, in the present embodiment, a connection ring 27 is connected between the support portion 2214 and the fan housing 31, one end of the connection ring 27 along the first direction is sleeved outside the support portion 2214, the other end of the connection ring 27 along the first direction is sleeved outside the fan housing 31, and an interval is provided between the connection ring 27 and the second protruding portion 2213 for air flow in the second annular air duct 24.

As shown in fig. 3, 4 and 11, the base 40 includes a bottom shell 41 connected to the housing assembly 20, the bottom shell 41 has a receiving cavity 411, an air outlet duct 42 is disposed in the receiving cavity 411, one end of the air outlet duct 42 is in butt-joint communication with the first air outlet 223, an air outlet interface 421 for connecting a blowing pipe is disposed at the other end of the air outlet duct 42, and a heating assembly 50 is disposed in the air outlet duct 42, so that air flowing out from the first air outlet 223 to the air outlet duct 42 can be heated to quickly dry pet hair, thereby having a better drying effect.

The main control circuit board 81 is arranged in the accommodating cavity 411, and the main control circuit board 81 is electrically connected with the heating assembly 50 and controls whether the heating assembly 50 is heated according to the user demand, so that the hair of the pet can be dried rapidly according to the user demand. The main control circuit board 81 is electrically connected with the fan driving assembly 30 and controls whether the fan driving assembly 30 is started or not and controls the rotation speed of the fan driving member 32 according to the user's demand, thereby adjusting the suction force. Of course, in other embodiments, the main control circuit board 81 may be disposed in the housing assembly 20 or other portions, as needed, and is not limited herein.

The heating element 50 is opposite to the first air outlet 223 along the second direction, and the cross-sectional area of the heating element 50 perpendicular to the second direction is greater than 0.5 times the cross-sectional area of the air outlet duct 42, so as to increase the heating value.

As shown in fig. 2 and 4, a receiving port 211 communicated with the first air outlet 223 is formed on one side of the casing 21, which is close to the base 40, corresponding to the first air outlet 223, and the air outlet pipeline 42 extends to the receiving port 211 to guide the air flow blown out by the first air outlet 223 faster, so as to reduce the air volume loss. The heating component 50 is partially located in the accommodating opening 211, so that the airflow is quickly affected by heat, and rapid heating of the airflow is facilitated. Wherein the housing 21 is integrally provided in a closed structure to prevent the air flow of the receiving port 211 from flowing out of the housing 21 to the outside.

A third air outlet 422 is formed between the air outlet port 421 and the heating assembly 50 on the side wall of the air outlet pipe 42, and a blowing port 45 communicated with the third air outlet 422 is formed in the bottom shell 41. One end of the blowing pipe is connected with the air outlet port 421, and the other end is used for blowing the air flow in the air outlet pipe 42 to the outside.

As shown in fig. 11, in the present embodiment, the bottom case 41 includes an upper case 412, a middle case 413 detachably connected to the upper case 412, and a lower case 414 detachably connected to the middle case 413, and the upper case 412, the middle case 413, and the lower case 414 enclose a receiving chamber 411 to facilitate processing and installation. The upper case 412 is snap-coupled to the dust cup 11 to stably mount the dust cup 11 to the bottom case 41. Of course, in other embodiments, the bottom shell 41 may be detachably connected or fixedly connected by two or more shells, and is not limited herein.

As shown in fig. 4, the first air outlet 223 and the air suction inlet 112 are arranged at intervals along the first direction, an air inlet pipeline 43 is further arranged in the accommodating cavity 411 and is arranged at intervals along the first direction and the air outlet pipeline 42, one end of the air inlet pipeline 43 is in butt joint communication with the air suction inlet 112, an air suction interface 44 for connecting an air suction pipe is arranged at the other end of the air inlet pipeline 43, one end of the air suction pipe is connected with the air suction interface 44, and a cleaning accessory can be connected at the other end of the air suction pipe, for example, the cleaning accessory is a hair trimmer for trimming pet hair. The air blowing port 45 is disposed on a side of the bottom case 41 away from the third air outlet 422 along the second direction, and the air blowing port 45 is closer to the air inlet duct 43 along the first direction relative to the third air outlet 422, so as to increase a path of the air flow from the third air outlet 422 to the air blowing port 45, and reduce noise. In addition, in the present embodiment, the air flow can cool the main control circuit board 81 after flowing out from the third air outlet 422 in the accommodating cavity 411, and then is blown out from the air blowing opening 45.

As shown in fig. 11, the air outlets 45 are arranged in two rows at intervals in the third direction, and each row of air outlets 45 is arranged in three rows at intervals in the first direction so as to have a large air discharge amount. In other embodiments, three or more rows of the air outlets 45 may be arranged along the third direction, and two, four or more air outlets 45 may be arranged along the first direction at intervals, and the arrangement is not limited herein.

As shown in fig. 4 and 5, in the present embodiment, the air blowing port 45 is provided on the upper side of the bottom case 41 and corresponds to the lower side of the dust cup 11, and the bottom case 41 is spaced apart from the dust cup 11 to guide the air flow blown out from the air blowing port 45 to the outside and simultaneously to the dust cup 11, preventing the air flow from being directly blown to the user.

As shown in fig. 4 and 12, a channel switching assembly 60 is installed in the housing cavity 411, and is configured to: the air outlet port 421 is blocked without starting the air blowing mode, and the third air outlet port 422 is blocked with starting the air blowing mode. When in the air blowing mode, the channel switching assembly 60 blocks the third air outlet 422, and the air flow flows from the first air outlet 223 to the air outlet port 421 of the air outlet duct 42 to be blown to the outside; when the blowing mode is not started, the channel switching assembly 60 blocks the air outlet 421, and the air flows from the first air outlet 223 to the third air outlet 422, and then flows to the air blowing port 45 to be blown to the outside.

Through the channel switching assembly 60, different blowing paths can be switched according to different modes to prevent air channel interference in different modes, and especially for the heating in the blowing mode, the third air outlet 422 is closed to prevent hot air from flowing out of the air outlet pipeline 42 to affect the main control circuit board 81 and other electrical components. In addition, in the case of performing the dust collection mode without starting the air blowing mode, the air outlet port 421 is not connected to the air blowing pipe, if the air outlet port 421 is started to blow air to the outside, a larger noise is generated, and the path of the air flow in the air outlet pipeline 42 from the third air outlet 422 to the air blowing port 45 can be set longer as required by blocking the air outlet port 421, so that the noise is further effectively reduced. Under the condition of starting the blowing mode, the air outlet port 421 is connected into the blowing pipe, and at the moment, due to the longer length of the blowing pipe and the blowing pipe, the generated noise is smaller, and an air duct path is not required to be additionally added for noise reduction.

As shown in fig. 12, the passage switching assembly 60 includes a torsion spring 61 connected to a side wall of the air outlet duct 42 and a baffle 62 connected to the torsion spring 61 and located in the air outlet duct 42. When the blowing pipe is not connected into the air outlet port 421, the baffle 62 is kept to block the air outlet port 421 by the torsion spring 61; if the blowing pipe is connected into the air outlet pipeline 42 through the air outlet connector 421, the blowing pipe pushes the baffle plate 62 to rotate to block the third air outlet 422, so that the blowing mode is started. When the blowing pipe exits from the air outlet port 421, the torsion spring 61 resets to drive the baffle 62 to rotate and reset to block the air outlet port 421.

As shown in fig. 3 and 4, the pet cleaning machine 100 is provided with a touch control component 82 exposed to the outside, a micro switch 83 is further installed in the accommodating cavity 411, and if the blowing mode is started, the channel switching component 60 touches the micro switch 83, and the heating component 50 performs heating operation in response to the heating mode triggered by the touch control component 82. In this case, if the blowing mode is not started, even if the touch command of the touch control unit 82 for the heating function is triggered, the heating mode cannot be triggered, which is beneficial to protecting the electronic components and other parts in the accommodating cavity 411. The touch control unit 82 also has a touch command for a machine switch and a touch command for rotational speed control of the fan drive unit 30.

As shown in fig. 3 and 4, in this embodiment, the touch control assembly 82 includes a key exposed on the outer surface of the housing 21 and a key circuit board installed in the housing 21, where the key is connected with the key circuit board, the key circuit board is electrically connected with the main control circuit board 81, the third air outlet 422 is disposed at the lower side of the horizontal section of the air outlet duct 42, the micro switch 83 is correspondingly disposed at the lower side of the third air outlet 422, and when the baffle 62 rotates to block the third air outlet 422, the micro switch 83 is touched, so as to start the blowing mode, and at this time, the heating mode can be started according to the user's need, if the user touches the key with the heating function, the heating mode is correspondingly triggered, and the heating assembly 50 performs the heating operation in response to the heating mode. Of course, in other embodiments, the touch control component 82 may be a touch screen component or other components capable of touch control, the third air outlet 422 is disposed on the upper side of the horizontal section of the air outlet duct 42 or other parts of the air outlet duct 42, and the micro switch 83 is correspondingly disposed on the upper side of the third air outlet 422 or at a corresponding position of the third air outlet 422, which is not limited herein.

In some cases, if the user wants to start the dust collection mode and not start the air blowing mode, the air suction port 44 is correspondingly connected to the air suction pipe, the other end of the air suction pipe is connected to the cleaning accessory, the air outlet port 421 is not connected to the air blowing pipe, the air outlet port 421 is correspondingly blocked by the channel switching component 60, the third air outlet 422 is opened, if the user starts the switch button, the fan driving piece 32 rotates and drives the first impeller 322 and the second impeller 323 to rotate, negative pressure is generated on the concave surface 324 side of the first impeller 322, so that air and garbage at the cleaning accessory flow to the air inlet pipeline 43 through the air suction pipe, then enters the dust collection cavity 111 through the air suction port 112, and is filtered by the filtering component 12 to leave cleaner air flow, the air flow enters the accommodating cavity 311 through the air inlet 261, is discharged to the second annular air duct 24 and the first annular air duct 23 between the first impeller 322 and the second impeller 323, is converged to the first air outlet 223, then flows to the third air outlet 422 through the air outlet pipeline 42, and finally flows out of the air outlet 45. Wherein, thereby the user can adjust the fan rotational speed as required and adjust suction size.

In some cases, if the user wants to start the blowing mode and not start the dust collection mode, the air suction port 44 is correspondingly not connected to the air suction pipe, and the air outlet port 421 is connected to the air blowing pipe, and the other end of the air blowing pipe blows to the pet to blow the hair of the pet. Correspondingly, the third air outlet 422 is blocked by the channel switching assembly 60, the air outlet port 421 is opened, if a user starts a switch button, the fan driving member 32 rotates and drives the first impeller 322 and the second impeller 323 to rotate, negative pressure is generated on the concave surface 324 side of the first impeller 322, so that air and garbage at the cleaning attachment part flow to the air inlet pipeline 43 through the air suction pipe, then the air enters the dust collecting cavity 111 through the air suction port 112, clean air flow is left after the garbage is filtered through the filtering assembly 12, the air flow enters the accommodating cavity 311 through the air inlet 261, and is discharged to the second annular air flue 24 and the first annular air flue 23 between the first impeller 322 and the second impeller 323 to be converged to the first air outlet 223, and then flows to the air outlet port 421 through the air outlet pipeline 42 and flows out of the outside through the air outlet pipeline 42.

In some cases, if the user wants to start the dust collection mode and start the blowing mode at the same time, the air suction port 44 is correspondingly connected to the air suction pipe, the other end of the air suction pipe is connected to the cleaning accessory to clean the hair of the pet, the air outlet port 421 is connected to the air blowing pipe, and the other end of the air blowing pipe blows to the pet to blow the hair of the pet to dry, wherein the air blowing pipe and the air suction pipe can work towards the same pet at the same time, can work towards different pets, and can be used according to the needs without limitation. Correspondingly, the third air outlet 422 is blocked by the channel switching assembly 60, the air outlet port 421 is opened, if a user starts a switch button, the fan driving member 32 rotates and drives the first impeller 322 and the second impeller 323 to rotate, negative pressure is generated on the concave surface 324 side of the first impeller 322, so that air and garbage at the cleaning attachment part flow to the air inlet pipeline 43 through the air suction pipe, then the air enters the dust collecting cavity 111 through the air suction port 112, clean air flow is left after the garbage is filtered through the filtering assembly 12, the air flow enters the accommodating cavity 311 through the air inlet 261, and is discharged to the second annular air flue 24 and the first annular air flue 23 between the first impeller 322 and the second impeller 323 to be converged to the first air outlet 223, and then flows to the air outlet port 421 through the air outlet pipeline 42 and flows out of the outside through the air blowing pipe.

In some cases, if the user wants to activate the heating mode in the blowing mode, the user activates the heating mode through the heating key to control the heating assembly 50 to perform the heating operation, thereby heating the air flow flowing out from the first air outlet 223, wherein the user can adjust the heating temperature as required.

The foregoing is a description of the embodiments of the present invention, and is not to be construed as limiting the invention, since modifications in the detailed description and the application scope will become apparent to those skilled in the art upon consideration of the teaching of the embodiments of the present invention.

Claims (10)

1. A pet cleaning machine, comprising:

the dust collection assembly comprises a dust cup and a filtering assembly connected with the dust cup, a dust collection cavity is arranged in the dust cup, and an air suction port communicated with the dust collection cavity is formed in the side wall of the dust cup;

the dust collecting assembly is connected with the shell assembly, an air inlet communicated with the air suction inlet and the mounting cavity is formed in one side of the shell assembly along the first direction, a first air outlet communicated with the mounting cavity is formed in the shell assembly, and the filtering assembly is located between the air inlet and the air suction inlet;

The fan driving assembly comprises a fan shell and a fan driving piece, wherein the fan shell is arranged in the installation cavity, the fan shell is internally provided with an accommodating cavity communicated with the air inlet and the installation cavity, the fan driving piece is arranged in the accommodating cavity, the fan driving piece comprises a driving main body and a first impeller and a second impeller which are connected to two sides of the driving main body along a first direction at intervals, the first impeller is relatively close to the air inlet relative to the second impeller, the concave surface of the first impeller faces the air inlet, the concave surface of the second impeller faces away from the air inlet, the driving main body is used for driving the first impeller and the second impeller to rotate in the same direction, and the fan shell is provided with a vent communicated with the accommodating cavity.

2. The pet cleaning machine of claim 1, wherein said housing assembly further has a first annular air channel extending in a first direction, said first annular air channel being located on an outer peripheral side of said mounting cavity and communicating with said mounting cavity, an outer sidewall of said fan housing being spaced from an inner sidewall of said mounting cavity and forming a second annular air channel communicating with said first annular air channel and said receiving cavity.

3. The pet cleaning machine of claim 2, wherein a wall of the mounting cavity near the first air outlet is provided with a second air outlet which is communicated with the first annular air duct and the second annular air duct, the second air outlet is at least partially overlapped with the first air outlet in a projection manner along a second direction, and the first direction is perpendicular to the second direction.

4. A pet cleaning machine as claimed in claim 3 wherein said second air outlet is closer to said first impeller than said second impeller in said first direction, and wherein said first air outlet extends at least to the respective second impeller and said second air outlet at both ends in said first direction.

5. The pet cleaning machine of claim 2, wherein the vent comprises a first vent and a second vent, the first vent being located on a side of the blower housing adjacent to the second impeller in the first direction, the second vent being located between the first impeller and the second impeller, the second impeller being located between the first vent and the second vent in the first direction;

The first distance between the inner wall and the outer wall of the first annular air channel is larger than the second distance between the inner wall and the outer wall of the second annular air channel, the width of the second air opening is larger than the second distance, and the length of the second air opening is larger than the width of the second air opening.

6. The pet cleaning machine of claim 2 wherein said housing assembly comprises an outer housing and an inner housing mounted within said outer housing;

the inner shell comprises a first inner shell and a second inner shell which are detachably connected along the first direction, the first inner shell comprises a first base part, a first protruding part and a second protruding part, the first protruding part and the second protruding part are protruding towards the second inner shell from the first base part, the first protruding part is arranged on the outer periphery side of the second protruding part in a surrounding mode to form a first annular air channel, a mounting cavity for mounting the fan shell is arranged in the second protruding part, and a first opening for communicating the mounting cavity with the first annular air channel is formed in the second protruding part;

the second inner shell comprises a second base, a third protruding part and a fourth protruding part, wherein the third protruding part and the fourth protruding part are protruding towards the first inner shell from the second base, a second opening which is communicated with the air inlet and the installation cavity is formed in the second base, the third protruding part is detachably connected with the first protruding part and is formed on the periphery side of the fourth protruding part in a surrounding mode at intervals, the fourth protruding part is detachably connected with the second protruding part and is internally provided with the installation cavity for installing the fan shell, and two ends of the fan shell along the first direction are respectively located in the installation cavity of the second protruding part and the installation cavity of the fourth protruding part.

7. The pet cleaning machine of claim 6, wherein the first inner housing further comprises a supporting portion protruding from the first base portion toward the second inner housing, the second protruding portion being provided around an outer peripheral side of the supporting portion at intervals, one end of the blower housing in the first direction being connected to the supporting portion, a first sealing member being provided between the other end of the blower housing in the first direction and the second base portion;

the support part is far away from one side of the first air outlet along the second direction and is provided with a third opening which is communicated with the first annular air duct and the second annular air duct, the third opening is at least partially overlapped with the first opening in projection along the second direction, and the first direction is perpendicular to the second direction.

8. The pet cleaning machine of claim 2, wherein said housing assembly comprises an outer housing, an inner housing mounted within said outer housing, and a cover removably connected to said outer housing in said first direction, said inner housing defining said mounting cavity and said first annular air duct, said cover defining said air inlet, said cover being positioned between said inner housing and said dust collection assembly in said first direction, said cover and said inner housing defining a second seal therebetween in said first direction.

9. The pet cleaning machine of claim 1, wherein the filter assembly is disposed on a side of the dirt cup adjacent the air intake in the first direction, the filter assembly comprising a screen assembly connected to the dirt cup, a hepa assembly mounted on a side of the screen assembly adjacent the air intake in the first direction;

the filter screen assembly comprises a mounting frame, a first filter screen, a second filter screen and a third filter screen, wherein the mounting frame is connected with the dust cup and is detachably connected with the shell assembly, the first filter screen is mounted on one side, close to the HEPA assembly, of the mounting frame along the first direction, the filter surface of the second filter screen and the filter surface of the first filter screen are arranged at intervals along the first direction, the second filter screen and the third filter screen are mounted on one side, far away from the HEPA assembly, of the mounting frame along the first direction and extend into the dust cup in a protruding mode, the third filter screen extends along the first direction and is arranged on the peripheral side of the second filter screen in a surrounding mode, and the filter surface of the third filter screen and the filter surface of the second filter screen form an included angle;

the sea cucumber filter comprises a sea cucumber filter body, a first filter screen and a second filter screen, wherein the sea cucumber filter body is arranged on one side of the sea cucumber filter body, far away from the first filter screen, of the sea cucumber filter body, and the sea cucumber filter body is arranged on the other side of the sea cucumber filter body;

The sections of the second filter screen and the third filter screen perpendicular to the first direction are circular, and the radius difference of the two ends of the third filter screen along the first direction is smaller than the length of the third filter screen along the first direction.

10. The pet cleaning machine of claim 1, wherein,

the pet cleaning machine further comprises a base, wherein the base comprises a bottom shell connected with the shell assembly, the bottom shell is provided with a containing cavity, and an air outlet pipeline and an air inlet pipeline which is arranged at intervals with the air outlet pipeline along the first direction are arranged in the containing cavity;

one end of the air outlet pipeline is in butt joint communication with the first air outlet, and the other end of the air outlet pipeline is provided with an air outlet interface for connecting a blowing pipe;

one end of the air inlet pipeline is in butt joint communication with the air suction inlet, and the other end of the air inlet pipeline is provided with an air suction interface for connecting an air suction pipe.