CN216090303U - Filtering component and dust collecting equipment - Google Patents

Abstract

The utility model relates to a filtering component and dust collection equipment, belongs to the technical field of household appliances, and aims to solve the problem that the existing dust collection equipment is long in overall length. The filter assembly of the present invention comprises: the motor assembling cavity is used for assembling a motor; the filter part is arranged around the outer side of the motor assembly cavity and used for filtering fluid entering the filter assembly. The motor assembly cavity for assembling the motor is arranged in the filtering component, so that the length of the dust collection equipment can be effectively reduced, and the use body feeling of the dust collection equipment is improved; in addition, the filter part arranged outside the motor assembly cavity in a surrounding mode can effectively reduce noise and vibration generated by high-speed rotation of the motor, and good noise reduction and vibration reduction effects are achieved.

Description

Filtering component and dust collecting equipment

Technical Field

The utility model relates to the technical field of household appliances, in particular to a filtering assembly and dust collection equipment.

Background

At present, among the current dust collecting equipment, motor element is located filtering component's rear, and this leads to dust collecting equipment whole length longer, is unfavorable for the user operation, reduces dust collecting equipment's use body and feels.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing, embodiments of the present invention provide a filter assembly and a dust collecting apparatus, so as to solve the problem of long overall length of the existing dust collecting apparatus.

In one aspect, the present disclosure provides a filter assembly comprising:

the motor assembling cavity is used for assembling a motor;

the filter part is arranged around the outer side of the motor assembly cavity and used for filtering fluid entering the filter assembly.

Further, the filtering part comprises a plurality of cyclone cones, and the cyclone cones are arranged on the outer side of the side wall of the motor assembling cavity in a surrounding mode so as to filter fluid entering the filtering component in a cyclone mode.

Furthermore, the cyclone cone is provided with an air inlet, an air outlet and a dust guide port;

the air inlet is used for allowing fluid to enter the cyclone cone;

the air outlet is used for allowing filtered fluid to flow out of the cyclone cone;

the dust guide port is positioned at the lowest point of the cyclone cone so as to guide the filtered impurities out of the cyclone cone.

Furthermore, the cyclone cone comprises a cyclone part and a cone part, a cyclone cavity is arranged in the cyclone part, a cone cavity is arranged in the cone part, and the cyclone cavity is communicated with the cone cavity;

the conical cavity is inverted and is positioned below the cyclone cavity;

the side wall of the cyclone cavity is an arc-shaped side wall which can enable fluid to form cyclone;

the air inlet and the air outlet are formed in the cyclone part and are communicated with the cyclone cavity;

the dust guide opening is formed in the bottom end of the cone portion and communicated with the cone cavity.

Further, the air inlet is formed in the side wall of the cyclone part;

the air outlet is formed in the top of the cyclone part.

Furthermore, a guide part is arranged at the air inlet, an air inlet channel communicated with the air inlet is arranged on the guide part, and the air inlet channel is tangent to the side wall of the cyclone cavity.

Further, the cyclone part is tangent to the outer side face of the side wall of the motor assembling cavity.

Furthermore, the cyclone cones are arranged at intervals and are not in contact with each other.

Furthermore, a connecting plate is arranged between every two adjacent cyclone cones, the connecting plate extends from the top end of the side wall of each cyclone cone to the bottom end of the side wall of each cyclone cone, and air inlets of all the cyclone cones are positioned on the outer side of the connecting plate;

the connecting plate, two adjacent cyclone cones and the outer side wall surface of the motor assembling cavity are arranged in a surrounding mode to form a separating cavity.

Furthermore, the top end face of the connecting plate is flush with the top end face of the cyclone cone, the bottom end face of the connecting plate is flush with the bottom end face of the cyclone cone, the end faces of the two sides of the connecting plate are respectively connected with the side walls of the adjacent different cyclone cones, and the outer wall face of the connecting plate is flush with the inner end face of the air inlet.

Further, the sound attenuation cotton is filled in the partition cavity.

Furthermore, the filter assembly also comprises a cover body, and the cover body is covered on the top of the side wall of the filter assembly.

Furthermore, the cover body is provided with an air guide area, an air inlet area and an air outlet area;

the air outlet area is arranged around the outer side of the air inlet area, and the air inlet area and the air outlet area correspond to the motor assembly cavity;

the air guide area is arranged around the outer side of the air outlet area and corresponds to the filtering part.

Furthermore, the air guide area is provided with an air guide opening for guiding the fluid filtered by the filter part out of the filter assembly;

the air inlet area is provided with an air inlet communicated with the motor assembly cavity;

the air outlet area is provided with an air outlet communicated with the motor assembly cavity.

Furthermore, the number of the air guide openings is equal to that of the cyclone cones of the filtering part, the air guide openings correspond to the cyclone cones one by one, and the air guide openings are communicated with the air outlets of the cyclone cones.

Furthermore, the cover body is provided with an air guide pipe, one end of the air guide pipe is in butt joint communication with the air guide port, the other end of the air guide pipe extends into the cyclone cone from the air guide port, and a port located in the cyclone cone is located below the air inlet.

In another aspect, the present invention provides a dust collecting apparatus comprising the above-described filter assembly.

Further, the device also comprises an annular wall and a motor;

the annular wall is positioned in the motor assembly cavity, one end of the annular wall is abutted against the bottom of the motor assembly cavity, the other end of the annular wall is abutted against the cover body of the filtering assembly, and a gap is formed between the annular wall and the side wall of the motor assembly cavity;

the motor is mounted in the annular wall.

Furthermore, the annular wall divides the motor assembly cavity into two cavities, namely a first cavity and a second cavity, and the second cavity is arranged outside the first cavity in a surrounding manner;

the motor is arranged in the first containing cavity;

the first cavity corresponds to the air inlet area of the cover body, and an air inlet of the air inlet area is communicated with the first cavity for fluid to enter the motor;

the second containing cavity corresponds to the air outlet area of the cover body, and the air outlet is communicated with the second containing cavity so as to discharge fluid out of the motor assembling cavity.

Furthermore, the motor comprises an air inlet end and an air outlet end, and the air inlet end is communicated with the air inlet;

the annular wall is provided with a communication port which can be communicated with the first accommodating cavity and the second accommodating cavity, at least one part of the communication port is opposite to the air outlet end, and the communication port is far away from the air outlet.

Compared with the prior art, the utility model can realize at least one of the following beneficial effects:

(1) the motor assembly cavity for assembling the motor is arranged in the filtering component, so that the length of equipment (such as dust collection equipment) assembled with the filtering component can be effectively reduced, and the use body feeling of the equipment is improved; in addition, the filter part arranged around the outer side of the motor assembly cavity can effectively reduce noise and vibration generated by high-speed rotation of the motor, and has good noise reduction and vibration reduction effects;

(2) the filtering part comprises a plurality of cyclone cones, and a connecting plate is arranged between every two adjacent cyclone cones, so that the motor assembly cavity is surrounded by the cyclone cones and a separation cavity (formed by surrounding the cyclone cones, the connecting plate and the motor assembly cavity), and noise and vibration generated when the motor rotates at high speed can be effectively reduced;

(3) the sound-deadening cotton is filled in the separation cavity, so that the noise generated by the motor can be further reduced.

In the utility model, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the utility model 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 utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

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

FIG. 1 is a schematic structural diagram of a filter assembly according to an embodiment;

FIG. 2 is a schematic structural view of a filter assembly according to an embodiment;

FIG. 3 is a schematic view of a filter assembly with the cover removed in accordance with an embodiment;

FIG. 4 is a schematic diagram (one) of the mechanism of the cover in the embodiment;

FIG. 5 is a schematic diagram (II) of the cover mechanism according to the embodiment

FIG. 6 is a longitudinal cross-sectional view of a filter assembly according to an embodiment;

FIG. 7 is a cross-sectional view of a filter assembly according to an embodiment;

FIG. 8 is a longitudinal sectional view of a dust suction apparatus in an embodiment;

FIG. 9 is a transverse cross-sectional view of a dust extraction apparatus in an embodiment;

FIG. 10 is a transverse cross-sectional view of the vacuum cleaner with the motor removed in accordance with an embodiment;

figure 11 is a transverse cross-sectional view of the suction device with the surround and motor removed in accordance with an embodiment.

Reference numerals:

1-a motor assembly cavity; 11-a first cavity; 12-a second cavity; 13-an assembly groove; 2-cyclone cone; 201-air inlet; 202-gas outlet; 203-dust guide port; 21-a cyclone part; 22-a cone portion; 23-a connecting plate; 24-a guide; 241-a transverse plate; 242-side plate; 3-a cover body; 31-a wind guiding area; 311-a wind guide port; 32-an air inlet area; 321-an air inlet; 33-air outlet area; 331-an air outlet; 34-a wind guide pipe; 4-a ring wall; 41-a communication port; 42-support strip; 5, a motor; 51-air inlet end; 52-air outlet end.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the utility model serve to explain the principles of the utility model and not to limit its scope.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly stated or limited, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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.

The general working surface of the utility model can be a plane or a curved surface, can be inclined or horizontal. For convenience of explanation, the embodiments of the present invention are placed on a horizontal plane and used on the horizontal plane, and are defined as "high and low" and "up and down".

Example one

The present embodiment provides a filter assembly, as shown in fig. 1 to 7, including:

the motor assembling cavity 1 is used for assembling a motor;

the filter part is arranged at the outer side of the motor assembly cavity 1 in a surrounding mode and is used for filtering fluid entering the filter assembly.

Compared with the prior art, the motor assembly cavity 1 for assembling the motor is arranged in the filter assembly, so that the length of equipment (such as dust collection equipment) with the filter assembly can be effectively reduced, and the use body feeling of the equipment is improved. In addition, the filter part arranged outside the motor assembly cavity 1 in a surrounding manner can effectively reduce noise and vibration generated by high-speed rotation of the motor, and has good noise reduction and vibration reduction effects.

In some embodiments, the filtering portion is a filtering mesh enclosure, the filtering mesh enclosure is disposed around the outside of the side wall of the motor mounting cavity 1, and a gap is reserved between the filtering mesh enclosure and the side wall of the motor mounting cavity 1 for the fluid filtered by the filtering portion to flow through the gap.

In the present embodiment, the filter part includes a plurality of cyclone cones 2, and the cyclone cones 2 are enclosed outside the side wall of the motor assembling cavity 1. The dust-containing fluid entering the cyclone cone 2 can form cyclone in the cyclone cone, and impurities such as dust in the dust-containing fluid are separated and filtered out under the action of centrifugal force and gravity.

Cyclone cone 2 is equipped with air inlet 201, gas outlet 202 and leads dirt mouth 203, and in dusty fluid got into cyclone cone 2 (filtering component) through air inlet 201, after cyclone filtering of cyclone cone 2, the fluid after the filtration was led out cyclone cone 2 by gas outlet 202 outside, and the impurity such as the dust of filtering is led out cyclone cone 2 (filtering component) outside by leading dirt mouth 203.

The cyclone cone 2 comprises a cyclone part 21 and a cone part 22, a cyclone cavity is arranged in the cyclone part 21, a conical cavity is arranged in the cone part 22, the cyclone cavity is communicated with the conical cavity, and the conical cavity is inverted (the inverted vertex of the cone is positioned right below the conical bottom surface, and the vertex and the bottom surface have the geometric significance of the cone) and positioned below the cyclone cavity. The cyclone chamber forms a cyclone for the fluid entering it and the cone chamber serves to guide the filtered out impurities such as dust out of the cyclone cone 2 more quickly. In particular, the sidewall of the cyclone chamber is an arcuate sidewall that enables the fluid to form a cyclone.

The air inlet 201 and the air outlet 202 are arranged on the cyclone part 21 and are communicated with the cyclone chamber.

The dust guiding opening 203 is opened at the bottom end of the cone portion 22, and the dust guiding opening 203 is communicated with the cone-shaped cavity, i.e. the dust guiding opening 203 is located at the top of the cone-shaped cavity.

It should be noted that the dust guide opening 203 is located at the lowest point of the cyclone cone 2 to ensure that all impurities such as filtered dust can be guided out of the cyclone cone 2 through the dust guide opening 203.

The dust-containing fluid enters the cyclone part 21 from the air inlet 201, cyclone is formed in the cyclone cavity, impurities such as dust in the fluid fall into the conical cavity along the cavity wall of the cyclone cavity under the centrifugal action of the cyclone and the gravity action of the dust, the impurities such as the dust are guided out of the cyclone cone 2 through the dust guide opening 203 under the guide of the cavity wall of the conical cavity, and the filtered fluid is guided out of the cyclone cone 2 from the air outlet 202.

In order to ensure that the fluid does not interfere with each other when entering and exiting the cyclone cone 2 and to enable the fluid to form a cyclone in the cyclone cone 2 better, the air inlet 201 is opened on the side wall of the cyclone part 21, and the air outlet 202 is opened on the top of the cyclone part 21.

In this embodiment, the cyclone portion 21 is cylindrical, and encloses a cylindrical cyclone chamber, and a central axis of the cyclone portion 21 (cyclone chamber) is parallel to a central axis of the filter assembly. The cone part 22 is conical, a conical tapered cavity is defined, the top of the cone part 22 is in butt joint with the bottom of the cyclone part 21 (namely, no separation exists between the cyclone cavity and the conical cavity), the radius of the bottom surface of the conical cavity is equal to that of the cyclone cavity, and the central axis of the cone part 22 (the conical cavity) is collinear with the cyclone part 21. It should be noted that the wall thicknesses of the cyclone portion 21 and the cone portion 22 are the same, so that the inner cavity wall surface and the outer wall surface of the cyclone cone 2 are smooth, and the filtering effect of the cyclone cone 2 is improved.

The cyclone part 21 is tangent to the outer side surface of the side wall of the motor assembly cavity 1, so that the cyclone part 21 is prevented from occupying the assembly space of the motor and affecting the assembly of the motor.

The shape of each cyclone cone 2 is the same, and the position of the air inlet 201 on each cyclone cone is the same, so that the cyclone direction and the cyclone speed in each cyclone cone 2 are consistent, the vibration of the filtering component caused by different wind directions and wind speeds in each cyclone cone 2 is avoided, and the filtering effect is inconsistent.

Because of the air inlet 201 is seted up on the lateral wall of cyclone cone 2, keep certain distance between the adjacent cyclone cone 2, that is cyclone cone 2 sets up alternately, and be contactless between cyclone cone 2 promptly to guarantee that air inlet 201 admits air smoothly.

Be equipped with connecting plate 23 between two adjacent cyclone cones 2, connecting plate 23 extends to the bottom of cyclone cone 2 lateral wall from cyclone cone 2 lateral wall top always, and all air inlets 201 are located the outside of connecting plate 23, avoids setting up of connecting plate 23 to influence air inlet 201 and admit air. In this embodiment, the top end surface of the connecting plate 23 is flush with the top end surface of the cyclone cone 2, the bottom end surface of the connecting plate 23 is flush with the bottom end surface of the cyclone cone 2, the end surfaces of the two sides of the connecting plate 23 are respectively connected with the side walls of the adjacent different cyclone cones 2, and the outer wall surface of the connecting plate 23 is flush with the inner end surface of the air inlet 201.

So connecting plate 23, two adjacent whirlwind awl 2 and motor assembly chamber 1 outside wall enclose a cavity, be called as separating the chamber with the cavity, make 1 outside in motor assembly chamber separate the chamber completely, 2 parcel of whirlwind awl live, and whirlwind awl 2 is equipped with whirlwind chamber and toper chamber again, so motor assembly chamber 1 is separated the chamber, the whirlwind chamber, these cavity cladding in the toper chamber are at the center, can effectively reduce vibration and noise that motor during operation produced in the motor assembly chamber 1, produce good damping, the noise reduction effect.

In order to further improve the noise reduction effect who separates the chamber, separate the intracavity and be filled with the amortization cotton to further reduce the noise that the motor during operation produced, improve filtering component's noise reduction effect.

The filter assembly further comprises a cover body 3, the cover body 3 covers the top of the side wall of the filter assembly, namely the cover body 3 covers the top of the filter part and the top of the motor assembling cavity.

Specifically, the cover body 3 is provided with an air guiding area 31, an air inlet area 32 and an air outlet area 33, the air outlet area 33 is arranged around the outer side of the air inlet area 32, the air guiding area 31 is arranged around the outer side of the air outlet area 33, the air guiding area 31 corresponds to the filtering portion, the air inlet area 32 and the air outlet area 33 correspond to the motor assembly cavity 1, the air guiding area 31 is used for guiding out fluid filtered by the filtering portion, and the air inlet area 32 and the air outlet area 33 are used for enabling the fluid to enter and exit the motor assembly cavity 1, so that fluid interaction between the motor assembly cavity 1 and the outside is achieved.

The air guiding area 31 is provided with an air guiding opening 311 for guiding the fluid filtered by the filter part out of the filter assembly. In this embodiment, the number of the air guiding holes 311 is the same as that of the cyclone cones 2, the air guiding holes 311 correspond to the cyclone cones 2 one by one, and the air guiding holes 311 are communicated with the air outlet 202, so that the filtered fluid is guided out of the filter assembly through the air guiding holes 311.

The air inlet area 32 is provided with an air inlet 321 communicated with the motor assembly chamber 1, and fluid enters the motor assembly chamber 1 from the air inlet 321.

The air outlet area 33 is provided with an air outlet 331 communicated with the motor assembly cavity 1, and fluid in the motor assembly cavity 1 is discharged out of the motor assembly cavity 1 through the air outlet 331. A plurality of air outlets 331 are provided, and the air outlets 331 are surrounded on the outer side of the air inlet 321.

In this embodiment, the air inlet area 32 is located at the center of the cover 3, and the air inlet 321 is located at the center of the cover 3.

In order to introduce the fluid into the motor installation chamber 1 more quickly, the air inlet region 32 gradually bulges outward from the edge to the center (i.e., bulges away from the motor installation chamber 1), i.e., the air inlet region 32 forms a downward slope from the center to the edge, and specifically, the air inlet region 32 is shaped like a trumpet, and the trumpet opens toward the motor installation chamber 1. As such, the intake vent 321 is higher (or more outward) than the exhaust vent 331, so that fluid is more quickly introduced into the motor assembly chamber 1 from the intake vent 321.

In this embodiment, the shape of air outlet 331 is fan-shaped, and its arc is towards air inlet area 32, and the number of air outlet 331 is 5, and evenly distributed is in air outlet area 33, can guarantee enough big air outlet 331's total area, does not influence the outside discharge of fluid, can guarantee air inlet area 32's stability and intensity again.

In order to enable the cyclone cone 2 to have better filtering effect and accelerate the guiding out of the filtered fluid, the cover body 3 is provided with an air guide pipe 34, one end of the air guide pipe 34 is in butt joint communication with the air guide opening 311, the other end of the air guide pipe extends into the cyclone cone 2 from the air guide opening 311, and a port located in the cyclone cone 2 is located below the air inlet 201, so that the fluid is prevented from being directly guided out of the cyclone cone 2 without cyclone filtering.

In this embodiment, the air inlet 201 is opened at the top of the sidewall of the cyclone portion 21, that is, the top of the sidewall of the cyclone portion 21 is opened with the air inlet 201 downward, so that the dust-containing fluid entering the cyclone chamber from the air inlet 201 can be better removed by cyclone.

In this embodiment, the length of the air guiding pipe 34 is greater than or equal to 1/3 of the length of the cyclone part 21 and less than or equal to 2/3 of the length of the cyclone part 21, so as to ensure that the dust-containing fluid can be filtered in the cyclone part 21, and the filtered fluid can be guided to be discharged out of the cyclone cone 2 as soon as possible.

In order to better enable the fluid to form a cyclone in the cyclone part 21, a guide part 24 is arranged at the air inlet 201, and the fluid enters the cyclone part 21 in a tangential manner with the side wall of the cyclone cavity under the guiding action of the guide part 24. Specifically, the guiding portion 24 is provided with an air inlet passage communicated with the air inlet 201, the air inlet passage is tangent to the side wall of the cyclone chamber, and the dust-containing fluid is guided by the air inlet passage to form cyclone in the cyclone chamber more quickly and easily, so that the filtering effect of the cyclone cone 2 is improved.

In this embodiment, the guiding portion 24 includes a horizontal plate 241 and a side plate 242, the side plate 242 is tangent to the side wall of the cyclone portion 21, and the connecting plate 23, the horizontal plate 241, the side plate 242 and the cover 3 together enclose an air inlet channel tangent to the cyclone chamber. Specifically, the transverse plate 241 is disposed along the bottom end of the air inlet and flush with the bottom end of the air inlet 201, the side plate 242 is disposed along the outer end of the air inlet 201 and flush with the outer end of the air inlet 201, the bottom end of the side plate 242 is connected to the transverse plate 241, the top end of the side plate 242 abuts against the cover 3, the outer side of the transverse plate 241 is connected to the side plate 242, and the inner side of the transverse plate 241 is connected to the connecting plate 23.

Example two

The embodiment provides a dust suction device, which is shown in figures 8-11 and comprises a filter assembly provided in the first embodiment.

Compared with the prior art, the dust collection equipment provided by the utility model has the beneficial effects of the filter assembly provided by the first embodiment, and the description is omitted.

The dust extraction apparatus further comprises an annular wall 4 and a motor 5.

The ring wall 4 is located in the motor assembly cavity 1, one end of the ring wall 4 is abutted to the bottom of the motor assembly cavity 1, the other end of the ring wall 4 is abutted to the cover body 3, and a gap is reserved between the ring wall 4 and the side wall of the motor assembly cavity 1.

The annular wall 4 divides the motor assembly cavity 1 into two cavities, namely a first cavity 11 and a second cavity 12, and the second cavity 12 is surrounded outside the first cavity 11. Namely, the inner side wall of the annular wall 4, the bottom of the motor assembly cavity 1 and the cover body 3 limit a first accommodating cavity 1, and the side wall of the motor assembly cavity 1, the bottom of the motor assembly cavity 1, the outer side wall of the annular wall 4 and the cover body 3 limit a second accommodating cavity 2.

The motor 5 is mounted in the circumferential wall 4, i.e. the motor 5 is mounted in the first cavity 11.

The first cavity 11 corresponds to the air inlet area 32 of the cover 3, and the air inlet 321 is communicated with the first cavity for fluid to enter the motor 5.

The second cavity 12 corresponds to the air outlet 33 of the cover 3, and the air outlet 331 is communicated with the second cavity for discharging the fluid out of the motor assembly cavity 1.

The motor 5 comprises an air inlet end 51 and an air outlet end 52, and the air inlet end 51 is communicated with the air inlet 321.

The annular wall 4 is provided with a communication port 41 capable of communicating the first cavity 11 and the second cavity 12, at least a part of the communication port 41 is opposite to the air outlet end 52, and the communication port 41 is far away from the air outlet 331.

The motor assembly cavity 1 is divided into the first cavity 11 and the second cavity 12 which are communicated with each other inside and outside through the annular wall 4, the motor 5 is arranged in the first cavity 11 inside, at least one part of the communication port 41 is connected with the air outlet end 52 of the motor 5, and the communication port 41 is far away from the air outlet 331, so that fluid filtered by the filter assembly enters the air inlet end 51 of the motor 5 through the air inlet 321 and is discharged out of the motor assembly cavity 1 through the air outlet end 52 through the communication port 41, the second cavity 12 and the air outlet 331, the fluid path between the air outlet end 52 and the air outlet 331 is lengthened, and a good noise reduction effect is achieved.

In addition, the second cavity 12 is located outside the first cavity 11, on one hand, heat generated by the operation of the motor 5 can be diffused into the second cavity 12, and when fluid passes through the second cavity 12, the heat in the fluid is taken out of the motor assembly cavity 1, so that a good heat dissipation effect is achieved; on the other hand, the vibration generated when the motor 5 works can be eliminated through the buffering of the outer second containing cavity 12, the vibration damping effect is achieved, and the use body feeling of the dust collecting equipment is improved.

The bottom of the motor assembling cavity 1 is provided with an assembling groove 13, the bottom end of the annular wall 4 is arranged in the assembling groove 13, and the shape of the assembling groove 13 is matched with the bottom end of the annular wall 4.

Further, the central axes of the annular wall 4, the motor assembly cavity 1 and the filter assembly coincide with each other, and the central axis passes through the center of the cover body 3.

The motor 5 is arranged in the annular wall 4, the air inlet end 51 is abutted to the cover body 3, and the air inlet end 51 is hermetically communicated with the air inlet 321, so that fluid entering from the air inlet 321 enters the motor 5 through the air inlet end 51; the air outlet end 52 is close to the bottom of the motor assembling cavity 1.

The annular wall 4 is provided with a communication port 41 for communicating the first accommodating cavity 11 with the second accommodating cavity 12, at least a part of the communication port 41 is opposite to the air outlet end 52, so that the discharged fluid at the air outlet end 52 can rapidly enter the second accommodating cavity 12, furthermore, the annular wall 4 is provided with a plurality of communication ports 41, the plurality of communication ports 41 are uniformly arranged at the lower section of the annular wall 4 (a section far away from the cover body 3), specifically, the communication port 41 is rectangular, and the long side of the rectangle is parallel to the central axis of the annular wall 4.

In order to ensure the stability of the motor 5 in the first accommodating cavity 11, the inner side wall of the annular wall 4 is provided with a plurality of supporting bars 42, and the supporting bars 42 contact with the side wall of the motor 5 to form supporting force between the side wall of the motor 5 and the annular wall 4, so that the connection performance of the motor 5 and the annular wall 4 can be improved, the motor 5 can be prevented from shaking in the first accommodating cavity 11, and the vibration reduction effect is achieved.

In this embodiment, the support bar 42 is located above the communication port 41 and is closer to the air inlet 321 than the communication port 41.

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 are included in the scope of the present invention.

Claims (20)

1. A filter assembly, comprising:

the motor assembling cavity (1) is used for assembling a motor;

the filter part is arranged around the outer side of the motor assembly cavity (1) and is used for filtering fluid entering the filter assembly.

2. The filter assembly according to claim 1, wherein the filter portion comprises a plurality of cyclone cones (2), the cyclone cones (2) being enclosed outside the side wall of the motor assembly chamber (1) for cyclone filtering of fluid entering the filter assembly.

3. A filter assembly according to claim 2, wherein the cyclone cone (2) is provided with an air inlet (201), an air outlet (202) and a dust guide opening (203);

the air inlet (201) is used for the fluid to enter the cyclone cone (2);

the air outlet (202) is used for enabling filtered fluid to flow out of the cyclone cone (2);

the dust guide opening (203) is positioned at the lowest point of the cyclone cone (2) so as to lead out the filtered impurities from the cyclone cone (2).

4. The filter assembly according to claim 3, wherein the cyclone cone (2) comprises a cyclone part (21) and a cone part (22), a cyclone chamber is arranged in the cyclone part (21), a cone chamber is arranged in the cone part (22), and the cyclone chamber is communicated with the cone chamber;

the conical cavity is inverted and is positioned below the cyclone cavity;

the side wall of the cyclone cavity is an arc-shaped side wall which can enable fluid to form cyclone;

the air inlet (201) and the air outlet (202) are arranged on the cyclone part (21) and are communicated with the cyclone cavity;

the dust guide opening (203) is formed in the bottom end of the conical part (22) and is communicated with the conical cavity.

5. A filter assembly as claimed in claim 4, wherein the air inlet (201) opens onto a side wall of the cyclone portion (21);

the air outlet (202) is formed in the top of the cyclone part (21).

6. The filter assembly of claim 5, wherein a guide portion (24) is provided at the air inlet (201), the guide portion (24) is provided with an air inlet passage communicated with the air inlet (201), and the air inlet passage is tangential to the side wall of the cyclone chamber.

7. The filter assembly according to claim 4, characterized in that the cyclone portion (21) is tangential to the lateral outer side of the motor assembly chamber (1).

8. A filter assembly as claimed in claim 3, wherein the cyclone cones (2) are arranged at intervals without touching each other.

9. The filter assembly according to claim 8, wherein a connecting plate (23) is arranged between two adjacent cyclone cones (2), the connecting plate (23) extends from the top end of the side wall of the cyclone cone (2) to the bottom end of the side wall of the cyclone cone (2), and the air inlets (201) of all the cyclone cones (2) are positioned outside the connecting plate (23);

the connecting plate (23), the two adjacent cyclone cones (2) and the outer side wall surface of the motor assembling cavity (1) are surrounded to form a separating cavity.

10. The filter assembly according to claim 9, wherein the top end surface of the connecting plate (23) is flush with the top end surface of the cyclone cone (2), the bottom end surface of the connecting plate (23) is flush with the bottom end surface of the cyclone cone (2), the two side end surfaces of the connecting plate (23) are respectively connected with the side walls of different adjacent cyclone cones (2), and the outer wall surface of the connecting plate (23) is flush with the inner end surface of the air inlet (201).

11. The filter assembly of claim 9, wherein the compartment is filled with sound attenuating cotton.

12. A filter assembly as claimed in any one of claims 1 to 11, further comprising a cover (3), the cover (3) being arranged to cover the top of the side wall of the filter assembly.

13. A filter assembly as claimed in claim 12, wherein the cover (3) is provided with an air guiding zone (31), an air inlet zone (32) and an air outlet zone (33);

the air outlet area (33) is arranged around the outer side of the air inlet area (32), and the air inlet area (32) and the air outlet area (33) correspond to the motor assembly cavity (1);

the air guide area (31) is arranged around the outer side of the air outlet area (33), and the air guide area (31) corresponds to the filtering part.

14. The filter assembly of claim 13, wherein the air guiding region (31) is provided with an air guiding opening (311) for guiding the fluid filtered by the filter part out of the filter assembly;

the air inlet area (32) is provided with an air inlet (321) communicated with the motor assembly cavity (1);

the air outlet area (33) is provided with an air outlet (331) communicated with the motor assembly cavity (1).

15. The filter assembly according to claim 14, wherein the number of the air guide openings (311) is equal to the number of the cyclone cones (2) of the filter part, the air guide openings (311) correspond to the cyclone cones (2) one by one, and the air guide openings (311) are communicated with the air outlets (202) of the cyclone cones (2).

16. The filter assembly according to claim 15, wherein the cover body (3) is provided with a wind guide pipe (34), one end of the wind guide pipe (34) is in butt joint communication with the wind guide port (311), the other end of the wind guide pipe (34) extends into the cyclone cone (2) from the wind guide port (311), and a port in the cyclone cone (2) is located below the air inlet (201) of the cyclone cone (2).

17. A vacuum cleaning apparatus comprising a filter assembly as claimed in any one of claims 1 to 16.

18. A suction device according to claim 17, characterized in that it comprises also a circumferential wall (4) and a motor (5);

the annular wall (4) is positioned in the motor assembly cavity (1), one end of the annular wall (4) is abutted against the bottom of the motor assembly cavity (1), the other end of the annular wall (4) is abutted against the cover body (3) of the filtering assembly, and a gap is formed between the annular wall (4) and the side wall of the motor assembly cavity (1);

the motor (5) is arranged in the annular wall (4).

19. The vacuum cleaner according to claim 18, characterized in that the annular wall (4) divides the motor assembly chamber (1) into two chambers, namely a first chamber (11) and a second chamber (12), and the second chamber (12) is arranged around the outside of the first chamber (11);

the motor (5) is arranged in the first accommodating cavity (11);

the first cavity (11) corresponds to the air inlet area (32) of the cover body (3), and an air inlet (321) of the air inlet area (32) is communicated with the first cavity (11) for fluid to enter the motor (5);

the second containing cavity (12) corresponds to the air outlet area (33) of the cover body (3), and the air outlet (331) is communicated with the second containing cavity (12) so as to discharge fluid out of the motor assembling cavity (1).

20. The vacuum apparatus as claimed in claim 19, wherein the motor (5) comprises an air inlet end (51) and an air outlet end (52), the air inlet end (51) is communicated with the air inlet (321);

the annular wall (4) is provided with a communication port (41) capable of communicating the first accommodating cavity (11) with the second accommodating cavity (12), at least one part of the communication port (41) is opposite to the air outlet end (52), and the communication port (41) is far away from the air outlet (331).

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