CN211911494U

CN211911494U - Motor air collecting cover for dust collector and dust collector

Info

Publication number: CN211911494U
Application number: CN201921454020.0U
Authority: CN
Inventors: 檀冲; 沈荻; 徐龙
Original assignee: Xiaogou Electric Internet Technology Beijing Co Ltd
Current assignee: Beijing Puppy Vacuum Cleaner Group Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-11-13
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a motor wind-collecting cover and dust catcher for dust catcher belongs to domestic appliance technical field, has solved the problem that current wind-collecting cover can not effectively increase the inside fluid amount of wind and the velocity of flow that gets into the motor. The motor wind-collecting cover of the utility model comprises a body and a wind inlet part arranged on the body; the air inlet part is fixed in a sinking structure of the air inlet surface of the body through a ribbed plate, and a gap is formed between the air inlet part and the body; the ribbed slab is provided with a convex structure protruding outwards from the air inlet surface. The utility model discloses when the front end portion of dust catcher docks with the rear end portion, the bellying top supported on the filter layer for form fluid passage between filter layer and axial air inlet portion and the radial air inlet portion, not only can prevent that the position of filter layer from taking place to remove, still be favorable to fluidic flow.

Description

Motor air collecting cover for dust collector and dust collector

Technical Field

The utility model relates to a dust catcher technical field especially relates to a motor wind-collecting cover and dust catcher for dust catcher.

Background

In a vacuum cleaner, a motor wind collecting cover is generally arranged at the front end of a motor to play roles of guiding wind and protecting. However, in the existing motor wind collecting cover, only the air inlet hole is formed in the axial direction, and the fluid enters the motor at the rear end of the motor through the air inlet hole in the axial direction.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention aims to provide a motor air-collecting cover for a vacuum cleaner and a vacuum cleaner, which are used to solve the problem that the existing motor air-collecting cover cannot effectively increase the fluid air volume and the flow velocity entering the motor.

The purpose of the utility model is mainly realized through the following technical scheme:

the utility model provides a motor air-collecting cover for a dust collector, which comprises a body and an air inlet part arranged on the body;

the air inlet part is fixed in a sinking structure of the air inlet surface of the body through a ribbed plate, and a gap is formed between the air inlet part and the body;

the ribbed slab is provided with a convex structure protruding outwards from the air inlet surface.

In one technical scheme of the utility model, the sinking structure comprises a side wall and a bottom surface; the center of the bottom surface is provided with a central through hole, and the air inlet part is erected on the air inlet side of the central through hole through a ribbed plate; the ribbed slab is fixedly connected with the bottom surface and the side wall.

In one technical proposal of the utility model, at least 2 rib plates are arranged and are uniformly distributed around the air inlet part;

the adjacent 2 ribs and the bottom surface define a radial air inlet portion of the air inlet portion.

The utility model discloses an among the one set of technical scheme, the bottom surface is to the circular conical surface of body inside sunken.

The utility model discloses an among one set of technical scheme, the platelike structure that the protrusion structure extends for the floor, the edge of protrusion structure is smooth curve.

In one technical proposal of the utility model, the air inlet part also comprises an axial air inlet part; the axial air inlet part is a revolving body provided with an axial air inlet hole.

The utility model discloses an among one set of technical scheme, the axial fresh air inlet includes: a central hole and a circular line hole;

the central hole is a circular hole or a regular polygon hole; the ring-shaped wire holes are a plurality of through holes with sector ring-shaped sections; the annular holes are uniformly arranged along the circumferential direction;

the axis of the central hole and the axis of the circular line hole are collinear with the axis of the central through hole.

In one technical proposal of the utility model, the ribbed slab is respectively vertical to the side wall and the bottom surface, and the cone angle of the bottom surface is 170-174 degrees.

The utility model discloses an among the one set of technical scheme, the air-out face of body is equipped with motor assembly portion, and motor assembly portion is the indent structure.

The utility model discloses an among one set of technical scheme, the terminal surface that central through-hole is located motor assembly portion is equipped with the filter house, and the filter house can cover the terminal surface that central through-hole is located motor assembly portion completely.

The utility model discloses an one set of technical scheme provides a dust catcher, and the motor wind-collecting cover is installed to the motor element of dust catcher, and the motor wind-collecting cover does the utility model discloses motor wind-collecting cover among the above-mentioned technical scheme.

In one technical proposal of the utility model, the dust collector comprises a front end part and a rear end part;

the mounting surface of the front end part is provided with a wind-collecting cover accommodating cavity, and the bottom of the wind-collecting cover accommodating cavity is embedded with a filtering component;

the motor assembly is arranged in the rear end part, and the motor wind collecting cover at least partially protrudes from the mounting surface of the rear end part;

the installation face of front end portion and the installation face of rear end portion can the gomphosis installation, and the motor wind-collecting cover can insert the wind-collecting cover and hold the chamber and compress tightly filtering component in the bottom that the wind-collecting cover held the chamber.

In one technical proposal of the utility model, the front end part also comprises a suction pipe and a dust cup;

the suction pipe is communicated with the air inlet of the dust cup, and the filter component is arranged at the air outlet of the dust cup.

In one technical scheme of the utility model, the axis of suction tube, the axis of dust cup, the axis of filter component, the axis of motor air-collecting cover and the axis collineation of motor component.

In one technical solution of the utility model, the rear end part is also provided with a handle for holding.

The utility model discloses technical scheme can realize one of following effect at least:

1. the utility model discloses well floor sets up the protrusion structure, and the protrusion structure is from the air inlet face protrusion of motor wind-collecting cover. When the dust collector uses the motor air collecting cover, the air inlet surface of the motor air collecting cover is generally provided with a filter layer or a filter pad, and the convex structure is propped against the filter layer, so that the filter layer can not be clung to the air inlet surface of the motor air collecting cover, thereby providing a sufficient airflow channel for the radial air inlet part, facilitating the air to enter the motor air collecting cover and increasing the suction force of the dust collector; in addition, the protruding structure can compress the filter layer, and the filter layer is prevented from moving or displacing in the dust collector.

2. The utility model discloses a set up axial air inlet portion and radial air inlet portion on motor wind-collecting cover for the fluid can follow axial, radial two directions and follow motor wind-collecting cover flow direction motor, can effectively increase fluidic intake and velocity of flow, and then increase the suction of dust catcher.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

Fig. 1 is a schematic perspective view of a motor air-collecting cover according to a first embodiment;

fig. 2 is a schematic perspective view of a motor air-collecting cover according to a first embodiment;

fig. 3 is a longitudinal sectional view of a motor air collecting cover according to a first embodiment;

FIG. 4 is a schematic view of an axial air inlet structure according to a first embodiment;

fig. 5 is a schematic side view of a motor air-collecting cover according to a first embodiment;

FIG. 6 is a longitudinal cross-sectional view of a vacuum cleaner according to a second embodiment (the filter assembly blocks the view, not shown);

FIG. 7 is a schematic view showing a disassembled internal structure of the front end and the rear end of a vacuum cleaner according to the second embodiment;

FIG. 8 is a first schematic view showing a second dust collector according to a second embodiment in a disassembled configuration at the front and rear ends thereof;

fig. 9 is a second schematic view showing a dust collector according to a second embodiment in which a front end portion and a rear end portion of the dust collector are disassembled.

Reference numerals:

100-motor wind collecting cover; 1-body; 11-a central through hole; 12-a rib plate; 13-inclined plane; 14-a groove; 15-motor assembly; 2-an air inlet part; 21-axial air inlet part; 211-a central hole; 212-a first looping hole; 213-a second loop hole; 22-a radial air inlet part; 200-an air inlet pipe; 300-a dust cup; 400-a filter assembly; 500-motor assembly.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

Example one

As shown in fig. 1 to 5, an embodiment of the present invention provides a motor wind-collecting cover for a vacuum cleaner, which includes a main body 1 and an air inlet portion 2 disposed on the main body 1; the air inlet part 2 is fixed in a sinking structure of an air inlet surface of the body 1 through the ribbed plate 12, namely the air inlet part 2 does not protrude from the air inlet surface, a gap is arranged between the air inlet part 2 and the body 1, namely the air inlet part and the body 1 are not in direct contact, and air flow can enter through the gap; the rib plate 12 is provided with a convex structure protruding outwards from the air inlet surface. The motor air collecting cover 100 is installed on the motor assembly 500 of the cleaner for guiding air to the motor assembly 500 and preventing foreign matters from invading and affecting the normal operation of the motor assembly 500. The air inlet part 2 is arranged in a sinking structure of the air inlet surface of the body 1, the axial size of the motor air collecting cover 100 can be reduced, the effective ash storage space of the dust collector can be increased, and the miniaturization design of the dust collector is facilitated. Besides supporting the air inlet portion 2, the protruding structure of the rib plate 12 can also support a part of the air inlet surface filter layer tightly attached to the motor air collecting cover 100 when the motor air collecting cover 100 is installed and used, so that the air inlet airflow passage space is increased, the airflow flow rate is increased, and the suction force of the dust collector is improved.

It should be noted that, as shown by the arrow in fig. 5, the airflow flows in from one side of the motor air collecting cover 100 and flows out from the other side, and then the airflow enters the motor assembly 500, for convenience of description, in the embodiment of the present invention, on the motor air collecting cover 100, the airflow flowing-in surface is the air inlet surface, and the airflow flowing-out surface is the air outlet surface.

In the embodiment of the present invention, the sinking structure serves as the air inlet surface of the motor air collecting cover 100 to accommodate the space of the air inlet portion 2, including the side wall and the bottom surface; a central through hole is formed in the center of the bottom surface, and all air flow is guided to the motor assembly 500 through the central through hole; the air inlet part 2 is erected on the air inlet side of the central through hole through the ribbed plate 12, and can play a role in shielding the central through hole to prevent foreign matters from directly entering the central through hole along with air flow; the ribbed plate 12 is fixedly connected with the bottom surface and the side wall, so that the whole structure is firmer and more reliable.

In order that the rib plates 12 can stably support the air inlet portion 2, at least 2 rib plates 12 are provided and are uniformly distributed around the air inlet portion 2. In addition to the above mentioned effect, the ribs 12 divide the space of the sunken structure, and the adjacent 2 ribs 12 and the bottom surface define the radial air inlet portion 22 of the air inlet portion 2, i.e. the air entering the space between the 2 ribs 12 and the bottom surface flows from the side of the air inlet portion 2 to the central through hole.

Specifically, N ribbed plates 12 can form N radial air inlet portions 22, N is more than or equal to 2, for example, eight ribbed plates 12, an axial air inlet portion 21 and a body 1 form 8 radial air inlet portions 22, and in practical application, an appropriate number of ribbed plates 12 can be selected according to the size of the axial air inlet portion 21. For the stability of the motor-collector-hood 100 and the uniformity of the air intake of the radial air intake portions 22, the ribs 12 are preferably, but not exclusively, uniformly distributed around the central through hole 11.

In order to make the air current can get into radial air inlet portion 22 more smoothly, the embodiment of the utility model provides an in, floor 12 is perpendicular with lateral wall and bottom surface respectively, guarantees to enter into the air in the structure that sinks and can directly flow to radial air inlet portion 22, guarantees great suction. For the same reason, the bottom surface is a conical surface recessed into the body 1. Considering that if the taper angle of the conical surface is too small, the axial size of the motor wind-collecting cover 100 is increased, in the embodiment of the present invention, the taper angle of the conical surface on the bottom surface is 170 to 174 °, i.e. the single side is inclined by 3 to 5 °. When the fluid flows to the motor wind-collecting cover 100, the fluid flows to the radial air inlet portion 22 through the guidance of the bottom surface, and further flows to the motor behind the motor wind-collecting cover 100.

Because the protruding structure of floor 12 can compress tightly and prop up the filter layer, the filter layer often uses the netted or the cushion structure that has filtering capability, the protruding structure can not cause the damage to the filter screen, the embodiment of the utility model provides an, the protruding structure is the platelike structure that floor 12 extends, can not occupy too much space, it is unobstructed to guarantee the air current, the edge of protruding structure is protruding smooth curve, the thickness direction of protruding structure is equipped with the radius angle, the excessive wearing and tearing of filter layer can be avoided in the setting that the protruding structure does not have the edges and corners, exemplarily, the edge of protruding structure can be bow-shaped, the curve can be for the circle, ellipse, similar convex curve such as parabola.

The embodiment of the utility model provides an in, air inlet portion 2 also includes axial air inlet portion 21, in order to let axial air current direct and evenly flow to central through hole, the embodiment of the utility model provides an in, axial air inlet portion 21 is for the solid of revolution that is equipped with the axial air inlet, exemplarily, the solid of revolution can be simple geometry such as cylinder, circular cone, round platform, ball, spherical crown, or by the combination of coaxial simple geometry, or a plurality of geometries of circumference equipartition on the combination of above-mentioned geometry and geometry. In order to prevent the axial air inlet portion 21 from affecting the air inlet of the radial air inlet portion 22, the size of the axial air inlet portion 21 is not larger than the size of the central through hole 11, and preferably, the size and shape of the axial air inlet portion 21 are adapted to the central through hole 11.

In order to let axial air current can flow to central through-hole through axial air inlet portion 21 smoothly, the embodiment of the utility model provides an in, the axial fresh air inlet includes: a center hole 211, a loop line hole; the central hole 211 is a circular hole or a regular polygonal hole; the ring-shaped wire holes are a plurality of through holes with sector ring-shaped sections; the annular holes are uniformly arranged along the circumferential direction; the axis of the central hole 211 and the axis of the circular line hole are collinear with the axis of the central through hole. It should be noted that the loop wire hole may be provided with a plurality of loops, all of which surround the central hole 211, the loop wire hole of the same loop has the same shape and size, and the loop wire holes of different loops have different shapes and sizes.

Illustratively, in the embodiment of the present invention, the loop holes include a first loop hole 212 and a second loop hole 213; the first ring-shaped hole 212 and the second ring-shaped hole 213 are each a plurality of through holes having a sector ring shape in cross section; the first ring-shaped wire holes 212 and the second ring-shaped wire holes 213 are uniformly arranged along the circumferential direction; the axis of the central bore 211, the axis of the first annular bore 212, and the axis of the second annular bore 213 are all collinear with the axis of the central through bore, and the first annular bore 212 is closer to the axis of the central through bore than the second annular bore 213. The plurality of first ring-shaped hole 212 of the sector ring shape is formed in an approximately ring shape, surrounding the center hole 211 in the inner circumference, and the plurality of second ring-shaped hole 213 of the sector ring shape is formed in an approximately ring shape, surrounding the first ring-shaped hole 212 in the outer circumference. In order to secure the stability and the intake air amount of the axial air inlet portion 21, the number of the three holes is increased in the order of the center hole 211, the first ring-line holes 212, and the second ring-line holes 213, for example, one center hole 211, four first ring-line holes 212, and eight second ring-line holes 213.

The motor wind collecting cover 100 not only has a high wind function, but also is convenient to be installed with the motor assembly 500, and plays a certain structural protection role for the motor assembly 500. The embodiment of the utility model provides an in, the air-out face of body 1 is equipped with motor assembly portion 15, and motor assembly portion 15 is the indent structure, can wrap up motor element 500 at least partially to protect motor element 500, motor element 500's air intake is just to central through-hole, in order to guarantee that the air current is unobstructed to flow. In addition, the concave motor assembling part 15 can reduce the axial size of the motor wind collecting cover 100 and the motor assembly 500 as much as possible, thereby facilitating the miniaturization design of the dust collector.

It is considered that even if the air passes through the dust removing operation of the dust removing device before flowing to the motor air collecting cover 100, a small amount of fine dust and foreign substances may be mixed in the air, which may damage the motor assembly 500. The embodiment of the utility model provides an in, the terminal surface that central through-hole is located motor assembly portion 15 is equipped with the filter house, and the filter house can cover the terminal surface that central through-hole is located motor assembly portion 15 completely, sets up the filter house in the air-out terminal surface department of central through-hole promptly for before air inflow motor element 500, filter once more and remove dust, further prevent tiny dust and foreign matter entering motor element 500.

In the vacuum cleaner motor air-collecting cover 100 of the present embodiment, preferably, the main body 1, the air inlet portion 2, the motor assembling portion 15, and other components are integrally formed, so that the motor air-collecting cover 100 has good stability.

Example two

As shown in fig. 6 to 9, an embodiment of the present invention provides a vacuum cleaner, a motor air-collecting cover 100 is installed on a motor assembly 500 of the vacuum cleaner, the motor air-collecting cover 100 is the motor air-collecting cover 100 in the first embodiment, and the structure of the motor air-collecting cover 100 is not repeated.

Specifically, in the embodiment of the utility model, the dust collector comprises a front end part and a rear end part; a wind-collecting cover accommodating cavity is arranged on the mounting surface of the front end part, and a filtering component 400 is embedded into the bottom of the wind-collecting cover accommodating cavity; the motor assembly 500 is disposed in the rear end portion, and the motor wind-collecting cover 100 at least partially protrudes from the mounting surface of the rear end portion; the installation face of front end portion and the installation face of rear end portion can be dismantled and airtight ground gomphosis installation, and motor wind-collecting cover 100 can insert the wind-collecting cover and hold the chamber and compress tightly filtering component 400 in the bottom that the chamber was held to the wind-collecting cover, protruding structure supports on filtering component 400 this moment, and compress tightly and prop up filtering component 400's filter layer at least partially, can provide more air current flow space for motor wind-collecting cover 100, guarantee the unobstructed flow of air current and the great suction force of dust catcher, protruding structure has compressed tightly the layer of coming in addition, can also prevent that filtering component 400 from appearing the drunkenness or the condition of sliding when the dust catcher operates.

In the embodiment of the utility model, the dust collector also comprises other components to improve the dust collection function of the dust collector. Specifically, the front end portion further includes a suction pipe and a dust cup 300; the suction pipe is communicated with the air inlet of the dust cup 300, and the filter assembly 400 is arranged at the air outlet of the dust cup 300; the rear end part is also provided with a handle for holding. The air containing dust enters the dust collecting cup 300 through the suction pipe, and is subjected to dust separation through the cyclone separation assembly in the dust collecting cup 300, the separated dust is stored in the dust collecting cup 300, the air after dust separation enters the motor air collecting cover 100 after being further filtered by the filter assembly 400 at the air outlet of the dust collecting cup 300, flows to the motor assembly 500 through the axial air inlet part 21 and the radial air inlet part 22 of the motor air collecting cover 100, and is discharged from the rear end part, and the dust collection and removal process is completed.

In order to prevent the suction force of the vacuum cleaner from being lost due to the complicated airflow path therein, in the embodiment of the present invention, the axis of the suction pipe, the axis of the dust cup 300, the axis of the filter assembly 400, the axis of the motor air collecting cover 100 and the axis of the motor assembly 500 are collinear, so that the total length of the airflow path can be shortened, the loss of the suction force of the vacuum cleaner due to the overlong airflow path can be avoided, and the vacuum cleaner is also beneficial to the miniaturization and portability design.

To sum up, the embodiment of the utility model provides a motor air-collecting cover for a dust collector and a dust collector, the rib plate in the utility model is provided with a convex structure, and the convex structure is protruded from the air inlet surface of the motor air-collecting cover; when the dust collector uses the motor air-collecting cover, the air inlet surface of the motor air-collecting cover is usually provided with a filter layer or a filter pad, and the convex structure is propped against the filter layer, so that the filter layer can not be clung to the air inlet surface of the motor air-collecting cover, thereby providing a sufficient airflow channel for the radial air inlet part 22, facilitating the air to enter the motor air-collecting cover and increasing the suction force of the dust collector; in addition, the protruding structure can compress the filter layer, so that the filter layer is prevented from moving or displacing in the dust collector; the utility model discloses a set up axial air inlet portion and radial air inlet portion on motor wind-collecting cover for the fluid can follow axial, radial two directions and follow motor wind-collecting cover flow direction motor, can effectively increase fluidic intake and velocity of flow, and then increase the suction of dust catcher.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A motor air-collecting cover for a dust collector is characterized by comprising a body (1) and an air inlet part (2) arranged on the body (1);

the air inlet part (2) is fixed in a sinking structure of the air inlet surface of the body (1) through a rib plate (12), and a gap is formed between the air inlet part (2) and the body (1);

the ribbed plate (12) is provided with a convex structure protruding outwards from the air inlet surface;

the sinking structure comprises a side wall and a bottom surface; the center of the bottom surface is provided with a central through hole, and the air inlet part (2) is erected on the air inlet side of the central through hole through a ribbed plate (12); the ribbed plate (12) is fixedly connected with the bottom surface and the side wall;

the sinking structure is used as a space for accommodating the air inlet part (2) of the air collecting cover of the motor.

2. The motor wind-collecting cover for dust collector according to claim 1, characterized in that, said rib (12) has at least 2, and is uniformly distributed around said air inlet portion (2);

the adjacent 2 rib plates (12) and the bottom surface define a radial air inlet part (22) of the air inlet part (2).

3. The motor wind-collection cover for vacuum cleaner according to claim 2, characterized in that said bottom surface is a conical surface recessed towards the inside of said body (1).

4. The motor-collector hood for vacuum cleaners according to claim 2 or 3, characterized in that said projecting structure is a plate-like structure with ribs (12) extending, the edge of said projecting structure being smoothly curved.

5. The motor-collector hood for vacuum cleaners according to claim 4, characterized in that said air intake (2) further comprises an axial air intake (21); the axial air inlet part (21) is a revolving body provided with an axial air inlet hole.

6. The motor air collection hood for a vacuum cleaner according to claim 5, wherein the axial air inlet holes comprise: a central hole (211), a loop wire hole;

the central hole (211) is a circular hole or a regular polygonal hole; the ring-shaped wire holes are a plurality of through holes with sector ring-shaped cross sections; the annular wire holes are uniformly arranged along the circumferential direction of the motor air collecting cover;

the axis of the central hole (211) and the axis of the annular hole are collinear with the axis of the central through hole.

7. A motor-air-collection cover for a vacuum cleaner according to claim 1, characterized in that said ribs (12) are perpendicular to said side walls and to the bottom surface, respectively, said bottom surface having a cone angle of 170 ° to 174 °.

8. The motor wind-collecting cover for dust collector according to any one of claims 1 to 3 or 5 to 7, characterized in that the air outlet surface of the main body (1) is provided with a motor assembling portion (15), and the motor assembling portion (15) is a concave structure.

9. The motor air collection cover for a vacuum cleaner according to claim 8, wherein the end surface of the central through hole at the motor mounting portion (15) is provided with a filter portion capable of completely covering the end surface of the central through hole at the motor mounting portion (15).

10. A vacuum cleaner, characterized in that a motor air-collecting cover (100) is mounted to a motor assembly (500) of the vacuum cleaner, and the motor air-collecting cover (100) is the motor air-collecting cover (100) according to any one of claims 1 to 9.

11. The vacuum cleaner of claim 10, wherein the vacuum cleaner includes a front end and a rear end;

a wind-collecting cover accommodating cavity is formed in the mounting surface of the front end part, and a filtering component (400) is embedded into the bottom of the wind-collecting cover accommodating cavity;

the motor assembly (500) is arranged in the rear end part, and the motor wind collecting cover (100) at least partially protrudes from the mounting surface of the rear end part;

the mounting surface of the front end part and the mounting surface of the rear end part can be embedded and mounted, and the motor wind-collecting cover (100) can be inserted into the wind-collecting cover accommodating cavity and tightly press the filtering component (400) at the bottom of the wind-collecting cover accommodating cavity.

12. The vacuum cleaner of claim 11, wherein the front end further comprises a suction tube and a dirt cup (300);

the suction pipe is communicated with an air inlet of the dust cup (300), and the filter assembly (400) is arranged at an air outlet of the dust cup (300).

13. A vacuum cleaner as claimed in claim 12, characterized in that the axes of the suction duct, the dirt cup (300), the filter assembly (400), the motor air collection hood (100) and the motor assembly (500) are collinear.

14. A vacuum cleaner according to any one of claims 11 to 13, wherein the rear end portion is further provided with a handle for gripping.