CN112294176A

CN112294176A - Vacuum cleaner

Info

Publication number: CN112294176A
Application number: CN201910710203.2A
Authority: CN
Inventors: 林春牙
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2021-02-02

Abstract

The invention provides a dust collector which comprises a dust collector main machine (10) and a motor assembly, wherein a motor cavity (20) and a filter (40) positioned outside the motor cavity (20) are arranged in the dust collector main machine (10), the motor assembly is positioned in the motor cavity (20), and the motor assembly comprises a motor cover (22) and a motor (21) positioned in the motor cover (22); the motor (21) is provided with an output shaft, two first air outlets and at least two fan blades (211), the at least two fan blades (211) are respectively positioned at two ends of the output shaft, and the two first air outlets are respectively opposite to two ends of the output shaft; the motor cover (22) is provided with two second air outlets (221), and the second air outlets (221) are respectively communicated with the first air outlets. The dust collector provided by the invention has the advantages of improvement on the suction force of the motor of the dust collector, low noise and low cost.

Description

Vacuum cleaner

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to a dust collector.

Background

With the development of science and technology, many products are more and more convenient to use in our lives, and the cleaning hygiene is completely replaced by scientific products, for example, the popularity of dust collectors is the most remarkable expression. The vacuum cleaners may be classified into a bucket type vacuum cleaner, a horizontal type vacuum cleaner, and a hand-held type vacuum cleaner according to their structures, which are used in different places, respectively. The working principle of the dust collector is as follows: the motor drives the blades to rotate, negative pressure is generated in the sealed shell, and dust is sucked.

The existing dust collector adopts the method of increasing the rotating speed of a motor or adopting larger fan blades so as to further improve the suction force of the dust collector.

However, the rotation speed of the motor is increased, the motor is easy to generate large vibration during working, noise of the dust collector is increased, and if a large fan blade is adopted, the noise of the dust collector is also increased, and the cost of the dust collector is increased.

Disclosure of Invention

In order to solve at least one of the problems mentioned in the background art, the invention provides a dust collector which improves the suction force of a motor of the dust collector, and has low noise and low cost.

In order to achieve the purpose, the invention provides a dust collector which comprises a dust collector main machine and a motor assembly, wherein a motor cavity and a filter positioned outside the motor cavity are arranged in the dust collector main machine;

the motor is provided with an output shaft, two first air outlets and at least two fan blades, wherein the at least two fan blades are respectively positioned at two opposite ends of the output shaft, and the two first air outlets are respectively opposite to two ends of the output shaft;

the motor cover is provided with two second air outlets which are respectively communicated with the first air outlet.

According to the dust collector provided by the embodiment of the invention, the two ends of the output shaft of the motor are both connected with the fan blade to form the motor with the at least two fan blades, so that the main shaft of the motor rotates to drive the at least two fan blades to rotate, the air suction capacity of the motor is increased, the dust collector can suck more air, and the suction force of the dust collector is improved. The rotating speed of the motor is not required to be increased, the size of the fan blade is not required to be increased, the motor is prevented from generating large vibration in the working process, the noise of the dust collector is reduced, and the cost of the dust collector is reduced. And the motor cover is provided with two second air outlets, and the fan blades at different ends of the motor output shaft can be discharged in time through the different second air outlets. The filter is used for filtering the gas entering the motor cavity.

As an optional mode, in the dust collector provided in the embodiment of the present invention, the number of the fan blades is two, the motor assembly further includes an air inlet channel and two air outlet channels, each air outlet channel is correspondingly communicated with the second air outlet, the motor has an air inlet communicated with the second air outlet, and the air inlet channel is communicated with the air inlet.

According to the dust collector provided by the embodiment of the invention, one air inlet channel can be arranged, the air inlet channel is communicated with the two air inlets of the motor, and the two air inlets share one air inlet channel. Therefore, wind energy entering from the air inlet channel is rapidly discharged out of the motor through different fan blades and air outlet channels, and air suction is smoother when the motor works.

As an optional mode, in the vacuum cleaner provided in the embodiment of the present invention, the motor cover includes a first cover body and a second cover body, the first cover body and the second cover body are mutually assembled to form an accommodating cavity for accommodating the motor, and the air inlet channel and each air outlet channel are communicated with the accommodating cavity.

The chamber that holds forms through the mutual amalgamation of first cover body and second cover body, like this, conveniently places the motor and is used for holding the intracavity.

As an alternative, the first cover and the second cover may be detachably connected to each other.

Therefore, the first cover body and the second cover body are conveniently detached, and the motor in the motor cover is installed and maintained.

As an optional mode, in the vacuum cleaner provided in the embodiment of the present invention, the two air outlet channels are symmetrical with respect to the air inlet channel.

Thus, the two air outlet channels can uniformly exhaust air.

As an optional mode, in the dust collector provided in the embodiment of the present invention, the two air outlet channels are in a rotary shape, and the rotary centers of the two air outlet channels and the axis of the motor are located on the same straight line.

As an alternative mode, in the vacuum cleaner provided in the embodiment of the present invention, the air inlet channel is in a revolving shape, and a revolving center of the air inlet channel is perpendicular to an axis of the motor.

Therefore, the two air outlet channels, the air inlet channel and the accommodating cavity form a structure similar to a three-way pipe, the axes of the two air outlet channels are positioned on the same straight line, and the axis of the air inlet channel is vertical to the axis of the air outlet channel. Thus, the two fan blades can uniformly supply air and discharge air.

As an optional mode, in the vacuum cleaner provided in the embodiment of the present invention, the motor assembly further includes at least two silencers, and the silencers are located in the air outlet channel.

According to the dust collector provided by the embodiment of the invention, when the air outlet channel is exhausted, the noise generated when the motor works is reduced through the silencer, so that the noise generated when the dust collector works is reduced.

As an optional mode, in the dust collector provided by the embodiment of the invention, the main machine of the dust collector is provided with a main machine air inlet channel and a main machine air outlet, a dust collecting cavity is arranged in the main machine of the dust collector, a dust collecting cylinder is arranged in the dust collecting cavity, and the main machine air inlet channel is communicated with the air inlet channel through the dust collecting cylinder;

the motor cavity is communicated with the two main machine air outlets, the number of the main machine air outlets is two, and the two main machine air outlets are respectively opposite to the air outlet channel and communicated with the air outlet channel.

According to the dust collector provided by the embodiment of the invention, the air inlet channel of the main machine is communicated with the air inlet channel through the dust collecting barrel, and the air entering the motor is purified through the dust collecting barrel, so that the motor is prevented from being damaged due to the fact that impurities such as dust enter the motor. The air exhausted from the air outlet of the motor cover directly flows out of the air outlet of the main machine through the air outlet channel, so that the dust collector can smoothly exhaust air.

As an optional mode, in the vacuum cleaner provided in the embodiment of the present invention, the main unit of the vacuum cleaner includes a vacuum cleaner housing, the motor cavity is located in the vacuum cleaner housing, and the two main unit air outlets are located on the vacuum cleaner housing.

As an optional mode, in the vacuum cleaner provided in the embodiment of the present invention, the main body air outlet is in a grid shape or a perforated plate shape.

That is to say, the main machine air outlet is an air outlet arranged on the dust collector shell, and the grid-shaped or pore plate-shaped main machine air outlet can prevent larger impurities from entering the dust collector shell while exhausting air.

As an alternative mode, the embodiment of the invention provides the dust collector, and the axis of the air inlet channel is collinear with the axis of the dust collecting cylinder.

Therefore, air purified by the dust collecting cylinder can smoothly enter the motor through the air inlet channel.

As an alternative, in the vacuum cleaner provided by the embodiment of the present invention, the filter is located between the dust collecting cylinder and the air inlet channel.

According to the dust collector provided by the embodiment of the invention, the filter is used for filtering impurities such as dust in air, and is arranged between the dust collecting cylinder and the air inlet channel, so that the filter can filter air which is not fully purified in the dust collecting cylinder, and the motor is prevented from being damaged due to the impurities such as dust entering the motor.

As an optional mode, in the vacuum cleaner provided in the embodiment of the present invention, the main body of the vacuum cleaner has a handheld portion, the handheld portion is opposite to the main body air inlet channel, the motor cavity is located above the handheld portion, and the main body air outlet is located on a side of the motor cavity.

According to the dust collector provided by the embodiment of the invention, the host air inlet channel can be called as the front part of the dust collector, the handheld part is opposite to the host air inlet channel, the handheld part is the rear part of the dust collector, the handheld part is arranged at the rear part of the dust collector, and the handheld part does not influence the host air inlet channel to suck air, so that the host air inlet channel can smoothly suck air, and the air inlet and the air outlet of the dust collector are not influenced mutually. The host air outlet is positioned on the side of the motor cavity, so that the handheld part is held by hands, wind is discharged from the host air outlet above the handheld part, and the wind cannot be vertical to the hands of a user.

The construction of the present invention and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a vacuum cleaner according to an embodiment of the present invention;

FIG. 2 is a bottom view of a vacuum cleaner according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a rear view of a vacuum cleaner according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

fig. 7 is a schematic structural diagram of a motor assembly in a vacuum cleaner according to an embodiment of the present invention.

Description of reference numerals:

10-a main machine of the dust collector;

11-a main engine air inlet channel;

12-a main machine air outlet;

20-a motor cavity;

21-a motor; 211-fan blades; 212-an air inlet;

22-motor cover; 221-a second air outlet; 222-a first housing; 223-a second cover; 224-a receiving cavity; 2241-a support part; 2242-a buffer member;

23-air inlet channel;

24-an air outlet channel;

30-a dust collection chamber;

31-a dust collecting cylinder;

40-a filter;

50-hand-held part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through intervening media, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Fig. 1 is a schematic structural diagram of a vacuum cleaner according to an embodiment of the present invention; FIG. 2 is a bottom view of a vacuum cleaner according to an embodiment of the present invention; FIG. 3 is a cross-sectional view A-A of FIG. 2; FIG. 4 is a rear view of a vacuum cleaner according to an embodiment of the present invention; FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4; FIG. 6 is an enlarged view of a portion of FIG. 5 at C; fig. 7 is a schematic structural diagram of a motor assembly in a vacuum cleaner according to an embodiment of the present invention. Referring to fig. 1 to 7, an embodiment of the present invention provides a vacuum cleaner, including a vacuum cleaner main body 10 and a motor assembly, where the vacuum cleaner main body 10 has a motor cavity 20 therein and a filter 40 located outside the motor cavity 20, the filter 40 is used for filtering air entering the motor cavity 20, the motor assembly is located in the motor cavity 20, and the motor assembly includes a motor cover 22 and a motor 21 located in the motor cover 22;

the motor 21 is provided with an output shaft, two first air outlets and at least two fan blades 211, wherein the at least two fan blades 211 are respectively positioned at two opposite ends of the output shaft, and the two first air outlets are respectively opposite to two ends of the output shaft;

the motor cover 22 has two second air outlets 221, and the second air outlets 221 are respectively communicated with the first air outlets.

Specifically, in the vacuum cleaner provided in the embodiment of the present invention, both ends of the output shaft of the motor 21 are connected to at least one fan blade 211, so as to form the motor 21 with at least two fan blades 211, the output shaft of the motor 21 simultaneously drives the at least two fan blades 211 to rotate, the output shaft of the motor 21 rotates, and simultaneously drives the at least two fan blades 211 to rotate, thereby increasing the air suction capability of the motor 21, so that the vacuum cleaner can suck more air, i.e., improving the suction force of the vacuum cleaner. The rotating speed of the motor is not required to be increased, the size of the fan blade is not required to be increased, the motor is prevented from generating large vibration in the working process, the noise of the dust collector is reduced, and the cost of the dust collector is reduced. In addition, the motor cover 22 has two second air outlets 221, and the fan blades 211 at different ends of the output shaft of the motor 21 can be discharged in time through the second air outlets 221 of the motor cover 22 through the first air outlets.

Referring to fig. 6, in the vacuum cleaner according to the embodiment of the present invention, the number of the blades 211 is two, the two blades 211 are respectively located at two opposite ends of the motor 21, the motor assembly further includes an air inlet channel 23 and two air outlet channels 24, each air outlet channel 24 is correspondingly communicated with the second air outlet 221, the motor 21 has an air inlet 212 communicated with the second air outlet 221, and the air inlet channel 23 is communicated with the air inlet 212.

In a specific implementation, in order to prevent the two fan blades 211 from mutually influencing each other when rotating to suck air, the number of the air inlets 212 is also two. Specifically, there may be one air inlet channel 23, the air inlet channel 23 is communicated with both of the two air inlets 212 of the motor 21, and the two air inlets 212 share one air inlet channel 23. Therefore, the wind energy entering from the air inlet channel 23 is rapidly discharged out of the motor 21 through different fan blades 211 and air outlet channels 24, so that the wind suction is smoother when the motor 21 works.

In order to facilitate the processing of the air inlet channel 23, each air outlet channel 24 and the motor cover 22, in some embodiments, the air inlet channel 23, each air outlet channel 24 and the motor cover 22 are integrally formed.

Referring to fig. 5 to 7, in the vacuum cleaner according to the embodiment of the present invention, the motor cover 22 includes a first cover 222 and a second cover 223, the first cover 222 and the second cover 223 are mutually assembled to form an accommodating cavity 224 for accommodating the motor 21, and the air inlet channel 23 and each air outlet channel 24 are communicated with the accommodating cavity 224.

Specifically, the accommodating cavity 224 may be a cavity covering the housing of the motor 21, and the shape of the accommodating cavity 224 matches the housing of the motor 21, so that the accommodating cavity 224 also plays a role of supporting and fixing the motor 21. Illustratively, the housing of the motor 21 is a cylinder, and the accommodating cavity 224 is a cylindrical cavity. The shape of the accommodating cavity 224 is not limited herein.

The motor 21 may vibrate during operation, resulting in loud noise when the cleaner is in use. In some embodiments, at least two supporting parts 2241 can be arranged in the accommodating cavity 224, each supporting part 2241 is used for supporting the end of the motor 21, meanwhile, a buffer part 2242 is arranged between the motor 21 and the accommodating cavity 224, a gap between the shell of the motor 21 and the supporting part 2241 is filled through the buffer part 2242, the motor 21 is enabled not to shake easily in work, and meanwhile, vibration generated by the motor 21 in work is reduced through the damping effect of the buffer part 2242. The buffer 2242 may be a rubber pad.

Specifically, the accommodating cavity 224 and the two fan blades 211 may be provided with a first through hole at a position opposite to each other, the first through hole serves as the second air outlet 221 of the motor cover 22, and the air outlet channel 24 is communicated with the first through hole. The air outlet channel 24 may be a tubular channel, the inner diameter of the air outlet channel 24 is the same as the diameter of the first through hole, one end of the air outlet channel 24 is connected with the edge of the first through hole, or the diameter of the first through hole is smaller than the inner diameter of the air outlet channel 24.

The accommodating cavity 224 is provided with a second through hole at a position opposite to the air inlet channel 23, the air inlet channel 23 is communicated with the second through hole, and air enters the accommodating cavity 224 through the air inlet channel 23 and then enters the air inlet 212 of the motor 21 in the accommodating cavity 224.

Wherein, the accommodating cavity 224 is formed by mutually splicing the first cover 222 and the second cover 223, so that the motor 21 is conveniently placed in the accommodating cavity 224.

For example, the cylindrical motor cover 22 may be cut along the axis of the motor 21 to form an arc-shaped first cover 222 and an arc-shaped second cover 223, when the motor 21 is installed, the motor 21 is first placed in the first cover 222 or the second cover 223, and the end of the motor 21 is supported by the support 2241, and then the second cover 223 or the first cover 222 is covered; the cylindrical motor cover 22 may be cut along an axis perpendicular to the motor 21 to form a cylindrical first cover 222 and a cylindrical second cover 223, and when the motor 21 is mounted, the first cover 222 and the second cover 223 are respectively inserted onto the motor 21 through two ends of the motor 21 until the second cover 223 and the first cover 222 are in contact with each other.

Optionally, the first cover 222 and the second cover 223 are detachably connected, and specifically, the first cover 222 and the second cover 223 are detachably connected through a connecting member after being mutually spliced. Thus, the first cover 222 and the second cover 223 are easily removed, and maintenance and repair of the motor 21 are required. In particular implementations, the connector may be a screw, bolt, or snap. The present embodiment is not limited herein.

Optionally, the outer sidewalls of the first cover 222 and the second cover 223 may be detachably connected by clips, bolts, or the like, so as to further increase the stability of the connection between the first cover 222 and the second cover 223.

As an alternative, in the vacuum cleaner provided in the embodiment of the present invention, the two air outlet channels 24 are symmetrical with respect to the air inlet channel 23. Thus, the air outlet channel 24 can uniformly exhaust air.

In a specific implementation, the two air outlet channels 24 are in a rotary shape, and the rotary centers of the two air outlet channels 24 and the axis of the motor 21 are located on the same straight line. For example, the air outlet channel 24 may be tubular.

The air inlet channel 23 is in a rotary shape, and the rotary center of the air inlet channel 23 is vertical to the axis of the motor 21. For example, the air inlet channel 23 may be tubular.

Thus, the two air outlet channels 24, the air inlet channel 23 and the accommodating cavity 224 form a structure similar to a three-way pipe, the axes of the two air outlet channels 24 are located on the same straight line, and the axis of the air inlet channel 23 is perpendicular to the axis of the air outlet channel 24. Thus, the two fan blades 211 can uniformly supply air and discharge air.

In order to reduce the noise generated during the operation of the vacuum cleaner, further, in the vacuum cleaner provided by the embodiment of the present invention, the motor assembly further includes at least two silencers (not shown in the figure), and the silencers are located in the air outlet channel 24. Specifically, through the air-out of air outlet channel 24, when air outlet channel 24 blew out, through the noise that the muffler produced to reducing motor 21 during operation to reduce the noise that the dust catcher during operation produced.

Specifically, the muffler can detachable set up on the inside wall of air-out passageway 24, in order not to influence the 24 air-outs of air-out passageway, the muffler can be the muffler in the orifice plate.

Referring to fig. 3 to 6, in the vacuum cleaner provided in the embodiment of the present invention, a main body 10 of the vacuum cleaner has a main body air inlet channel 11 and a main body air outlet 12, a dust collecting chamber 30 is provided in the main body 10 of the vacuum cleaner, a dust collecting cylinder 31 is provided in the dust collecting chamber 30, and the main body air inlet channel 11 is communicated with an air inlet channel 23 through the dust collecting cylinder 31;

the motor cavity 20 is communicated with the main machine air outlets 12, the number of the main machine air outlets 12 is two, and the two main machine air outlets 12 are respectively opposite to the air outlet channel 24 and communicated with the air outlet channel 24.

Specifically, after the motor 21 is started, the air outside the dust collector enters the dust collecting cavity 30 inside the dust collector through the host air inlet channel 11, the dust collecting cylinder 31 in the dust collecting cavity 30 collects impurities such as dust in the air, the air sucked into the dust collector is purified, the purified air enters the accommodating cavity 224 through the air inlet channel 23 of the motor 21, enters the motor 21 through the air inlet 212 of the motor 21 in the accommodating cavity 224, and then flows out of the dust collector through the air outlet 222 of the motor cover 22, the air outlet channel 24 and the host air outlet 12 in sequence.

In a specific implementation, the host air outlet 12 may be located on a side wall of the motor cavity 20, and an end of the air outlet channel 24 abuts against the host air outlet 12, that is, one end of the air outlet channel 24 is connected to the first through hole of the accommodating cavity 224, the other end of the air outlet channel 24 abuts against the host air outlet 12, and air exhausted from the air outlet 222 of the motor 21 directly flows out of the host air outlet 12 through the air outlet channel 24.

According to the dust collector provided by the embodiment of the invention, the air inlet channel 11 of the main machine is communicated with the air inlet channel 23 through the dust collecting cylinder 31, and air entering the motor 21 is purified through the dust collecting cylinder 31, so that the motor 21 is prevented from being damaged due to the entering of impurities such as dust and the like in the motor 21. The air exhausted from the air outlet 222 of the motor cover 22 directly flows out of the main unit air outlet 12 through the air outlet channel 24, so that the dust collector can smoothly exhaust air.

In the vacuum cleaner provided by the embodiment of the invention, the main unit 10 of the vacuum cleaner comprises a vacuum cleaner shell, the motor cavity 20 is positioned in the vacuum cleaner shell, and the two main unit air outlets 12 are positioned on the vacuum cleaner shell. That is, the main body outlet 12 is an air outlet provided in the cleaner housing.

The main air outlet 12 is in the form of a grid or a perforated plate. The main unit air outlet 12 in a grid or hole plate shape can discharge air and prevent large impurities from entering the dust collector shell.

Alternatively, in the vacuum cleaner provided by the embodiment of the invention, the axis of the air inlet channel 23 is collinear with the axis of the dust collecting cylinder 31. Therefore, the air purified by the dust collecting cylinder 31 can be conveniently and smoothly fed into the motor 21 through the air inlet channel 23.

In the vacuum cleaner provided by the embodiment of the present invention, the axis of the dust collecting cylinder 31 is perpendicular to the axis of the motor 21. Thus, air purified by the dust collecting cylinder 31 can be conveniently and uniformly introduced into the motor 21 through the air inlet channel 23 and the wind blades 211.

As an alternative, the embodiment of the present invention provides a vacuum cleaner, wherein the filter 40 is located between the dust collecting cylinder 31 and the air intake channel 23.

The filter 40 is used for filtering impurities such as dust in the air, the filter 40 is arranged between the dust collecting cylinder 31 and the air inlet channel 23, the filter 40 can filter the air which is not fully purified in the dust collecting cylinder 31, and the motor 21 is prevented from being damaged due to the impurities such as the dust entering the motor 21.

Referring to fig. 1 to 5, in the vacuum cleaner according to the embodiment of the present invention, the main body 10 of the vacuum cleaner has a handheld portion 50, the handheld portion 50 is opposite to the main body air inlet channel 11, the motor cavity 20 is located above the handheld portion 50, and the main body air outlet 12 is located at a side of the motor cavity 20.

Specifically, the hand-held portion 50 is used for holding the dust collector, the dust collector is sucked into the dust collector through the motor 21, air is sucked into the dust collector through the host air inlet channel 11, sequentially enters the motor 21 through the dust collecting barrel 31 and the filter 40, and is discharged through the second air outlet 221 of the motor cover 22 and the host air outlet 12.

Wherein, host computer inlet air channel 11 can be called the front portion of dust catcher, and handheld portion 50 is relative with host computer inlet air channel 11, and handheld portion 50 is the rear portion of dust catcher, sets up handheld portion 50 at the rear portion of dust catcher, and handheld portion 50 does not influence host computer inlet air channel 11 and inhales the air, makes host computer inlet air channel 11 can be smooth induced draft, and makes dust catcher air inlet and air-out not influence each other. The main unit air outlet 12 is located at the side of the motor cavity 20, so that the hand-held portion 50 is held by hand, and air is discharged from the main unit air outlet 12 above the hand-held portion 50 and cannot be perpendicular to the hand of a user.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vacuum cleaner is characterized by comprising a vacuum cleaner main body (10) and a motor assembly, wherein a motor cavity (20) and a filter (40) positioned outside the motor cavity (20) are arranged in the vacuum cleaner main body (10), the motor assembly is positioned in the motor cavity (20), and the motor assembly comprises a motor cover (22) and a motor (21) positioned in the motor cover (22);

the motor (21) is provided with an output shaft, two first air outlets and at least two fan blades (211), the at least two fan blades (211) are respectively positioned at two ends of the output shaft, and the two first air outlets are respectively opposite to two ends of the output shaft;

the motor cover (22) is provided with two second air outlets (221), and the second air outlets (221) are respectively communicated with the first air outlets.

2. The vacuum cleaner as claimed in claim 1, wherein the number of the fan blades (211) is two, the motor assembly further includes an air inlet channel (23) and two air outlet channels (24), each air outlet channel (24) is correspondingly communicated with the second air outlet (221), the motor (21) has an air inlet (212) communicated with the second air outlet (221), and the air inlet channel (23) is communicated with the air inlet (212).

3. The vacuum cleaner as claimed in claim 2, wherein the motor cover (22) comprises a first cover body (222) and a second cover body (223), the first cover body (222) and the second cover body (223) are mutually spliced to form a containing cavity (224) for containing the motor (21), and the air inlet channel (23) and each air outlet channel (24) are communicated with the containing cavity (224).

4. A vacuum cleaner according to claim 3, characterized in that the first housing (222) is detachably connected to the second housing (223).

5. A vacuum cleaner according to claim 2, characterized in that the two outlet channels (24) are symmetrical with respect to the inlet channel (23).

6. The vacuum cleaner as claimed in claim 5, wherein the two air outlet channels (24) are in a revolving shape, and the centers of revolution of the two air outlet channels (24) and the axis of the motor (21) are located on the same straight line.

7. The vacuum cleaner as claimed in claim 5, wherein the air intake channel (23) is of a revolving shape, and a revolving center of the air intake channel (23) is perpendicular to an axis of the motor (21).

8. The vacuum cleaner according to claim 2, characterized in that the motor assembly further comprises at least two silencers, which are located in the outlet air channel (24).

9. The vacuum cleaner as claimed in any one of claims 2 to 8, wherein the vacuum cleaner main body (10) has a main body air inlet channel (11) and a main body air outlet (12), a dust collecting chamber (30) is provided in the vacuum cleaner main body (10), a dust collecting barrel (31) is provided in the dust collecting chamber (30), and the main body air inlet channel (11) is communicated with the air inlet channel (23) through the dust collecting barrel (31);

the motor cavity (20) is communicated with the main machine air outlet (12), the number of the main machine air outlets (12) is two, and the two main machine air outlets (12) are respectively opposite to the air outlet channel (24) and communicated with the air outlet channel (24).

10. The vacuum cleaner according to claim 9, wherein the main vacuum cleaner unit (10) comprises a vacuum cleaner housing, the motor chamber (20) being located in the vacuum cleaner housing, and the two main unit outlets (12) being located in the vacuum cleaner housing.

11. A vacuum cleaner according to claim 10, wherein the main unit outlet (12) is in the form of a grid or perforated plate.

12. A vacuum cleaner as claimed in claim 9, characterized in that the axis of the air inlet channel (23) is collinear with the axis of the dust collecting container (31).

13. A vacuum cleaner according to claim 9, characterized in that the filter (40) is located between the dust collecting container (31) and the air intake channel (23).

14. The vacuum cleaner as claimed in claim 9, wherein the vacuum cleaner main body (10) has a handheld portion (50), the handheld portion (50) is opposite to the main body air inlet channel (11), the motor cavity (20) is located above the handheld portion (50), and the main body air outlet (12) is located at a side of the motor cavity (20).