CN220384982U - Cyclone separator and dust collector - Google Patents

Abstract

The utility model relates to the technical field of gas separation containing gas particles, and discloses a cyclone separator and a dust collector, wherein the cyclone separator comprises: the separation cone comprises a connecting frame and a plurality of separation channels, wherein the connecting frame is provided with a central axis, the plurality of separation channels are uniformly distributed around the central axis and are respectively connected with the connecting frame, each separation channel comprises a conical section and a cylindrical section which are connected into a whole, the cylindrical section is provided with at least one air inlet, and the contraction part of the conical section is a first dust discharge port; the air suction cylinder is provided with air suction pipes which are in one-to-one correspondence with the number of the separation channels, and the air suction pipes extend into the corresponding separation channels. Through setting up separation awl into a plurality of separation channels, can reduce the diameter of every separation channel, a plurality of separation channels evenly distributed is around the central axis, and a plurality of air inlets encircle the central axis and evenly set up, can reduce the windage in every separation channel, have guaranteed the rate of separation of every separation channel.

Description

Cyclone separator and dust collector

Technical Field

The utility model relates to the technical field of gas separation containing solid particles, in particular to a cyclone separator and a dust collector.

Background

A cyclone separator is a device for separating particles by using inertial centrifugal force generated by a rotational motion of a gas-solid two-phase fluid, and is generally used in occasions where gas-solid separation is required, for example, a dust collector, etc., to achieve air purification.

In the related prior art, along with the appearance of a small-sized vacuum motor, the vacuum cleaner is also continuously miniaturized, and the difficulty that the small-sized vacuum cleaner needs to keep the same air-dust separation effect with the traditional vacuum cleaner is in the design of an air-dust separation structure, and the air-dust separation scheme used by the traditional vacuum cleaner is a multi-cone cyclone separation technology and has very high separation rate.

The prior separator has larger volume, is not suitable for being directly applied to a small-sized dust collector, and can lead to the reduction of the separation rate and the increase of wind resistance if the diameter of the separation cone is directly reduced to reduce the volume of the separator.

Disclosure of Invention

In view of the above, the present utility model provides a cyclone separator to solve the problems that the conventional cyclone separator in the prior art cannot guarantee the separation rate and reduce the wind resistance under the condition of directly reducing the diameter size.

The present utility model provides a cyclone separator comprising: the separation cone comprises a connecting frame and a plurality of separation channels, wherein the connecting frame is provided with a central axis, the plurality of separation channels are uniformly distributed around the central axis and are respectively connected with the connecting frame, each separation channel comprises a conical section and a cylindrical section which are connected into a whole, the cylindrical section is provided with at least one air inlet, and the contraction part of the conical section is a first dust discharge port; the air suction cylinder is provided with air suction pipes which are in one-to-one correspondence with the number of the separation channels, and the air suction pipes extend into the corresponding separation channels.

The beneficial technical effect is, through setting up the separation awl into a plurality of separation channels to can reduce the diameter of every separation channel, a plurality of separation channels evenly distributed is around the central axis, and every separation channel can set up an air inlet, and a plurality of air inlets encircle the central axis and evenly set up, in order to reduce the windage in every separation channel, guaranteed the rate of separation of every separation channel.

In an alternative embodiment, the projections of the plurality of separation channels onto a projection plane perpendicular to the central axis fall within a concentric circular area.

The cyclone separator has the beneficial effects that the separation channels can be positioned right below the disc, so that the cyclone separator can be applied to a cylindrical shell, for example, the cyclone separator can be applied to a dust collector with a rod-shaped structure, and the dust collector can meet the requirements of small volume and convenience in carrying.

In an alternative embodiment, two air inlets are oppositely arranged on each cylindrical section, so that the area of the air inlets can be increased, and the wind resistance can be reduced.

In an alternative embodiment, the number of the separation channels is three, so that the separation rate can be ensured and the wind resistance can be reduced.

In an alternative embodiment, the maximum inner diameter of the separation channel is 15 mm to 17.5 mm, the width of the air inlet is 4 mm to 5 mm, the height of the air inlet is 10 mm to 13 mm, the depth of the air extraction tube is 12 mm to 15 mm, and the diameter of the air extraction tube is 9 mm to 12 mm; the height of the separation channel ranges from 40 mm to 50 mm, the height of the conical section ranges from 32 mm to 35 mm, and the diameter of the first dust discharge port ranges from 8 mm to 10 mm.

The separating cone has the beneficial effects that the risks that the diameter of the separating cone is directly reduced to reduce the separating rate and wind resistance is increased are avoided, so that the separating rate of the separating cone can be ensured to meet the requirements under the condition that the design of the separating cone meets the parameters of the diameter, the height, the area of the air inlet and the diameter of the exhaust tube of the separating channel, and the wind resistance is reduced.

In an alternative embodiment, the maximum internal diameter of the separation channel is 16 mm, the width of the air inlet is 4 mm, the height of the air inlet is 12.5 mm, the depth of the air extraction pipe is 12.5 mm, the pipe diameter of the air extraction pipe is 10 mm, the height of the separation channel is 45 mm, the height of the conical section is 32.5 mm, and the diameter of the first dust exhaust port is 9 mm, so that the requirements of a small-diameter dust collector can be met, the separation rate is ensured, and the wind resistance is reduced.

In an alternative embodiment, the cyclone separator further comprises a dust hopper, the conical section extends into the dust hopper partially, and the separation cone is detachably connected with the dust hopper and provided with a first sealing structure.

The dust collecting device has the beneficial effects that the dust collecting hopper is detachably connected with the dust collecting hopper through the separation cone, so that the dust collecting hopper can be conveniently detached to clean dust after collecting dust to a certain extent. The first sealing structure can prevent dust caused by air flow entering the separation cavity.

In an alternative embodiment, the cyclone separator further comprises a filter screen, the filter screen is sleeved outside the separation channels, and the filter screen is detachably connected with the air extracting cylinder.

The large-particle dust separating device has the beneficial effects that large particles cannot enter the separating channel due to the blocking of the large-particle dust by the filter screen, so that the separating rate of the separating cone can be ensured.

The utility model also provides a dust collector, which comprises: the dust cup assembly encloses a separation cavity; a cyclone separator as claimed in any one of the preceding claims, which is provided within the separation chamber.

Because the dust collector comprises the cyclone separator, the dust collector has all the beneficial effects of the cyclone separator, and the detailed description is omitted.

In an alternative embodiment, the dust hopper of the cyclone separator is provided with a second dust discharge port, and the dust cup assembly comprises: the dust cup body encloses the separation cavity; the dust cup cover is detachably connected to one end of the dust cup body, the dust cup cover is provided with an airflow inlet, an airflow outlet is formed in the portion, extending into the separation cavity, of the airflow inlet, the airflow inlet is communicated with the separation cavity, and the end portion of the airflow inlet is used for sealing the second dust exhaust opening.

The dust cup has the beneficial effects that the dust cup can be detachably connected with the dust cup main body through the dust cup cover, and the dust cup cover seals the second dust discharge port, so that after the dust cup cover is detached, dust falling into the separation cavity and the dust accumulation bucket can be cleaned conveniently, the use convenience of the dust collector is improved, and the user experience is good.

In an alternative embodiment, the separation cavity is a cylindrical cavity, and the diameter of the separation cavity is 50-60 mm, so that the dust collector can be miniaturized and is convenient to carry and operate.

Because the dust collector comprises the cyclone separator, the dust collector has all the beneficial effects of the cyclone separator, and the detailed description is omitted.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a partial exploded view of a cyclone separator according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a separation cone of a cyclone separator according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a separation channel of a cyclone separator according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a cyclone separator according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an assembled cyclone separator according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a part of an exploded view of a vacuum cleaner according to an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of a vacuum cleaner according to an embodiment of the present utility model;

FIG. 8 is an exploded view of a vacuum cleaner according to an embodiment of the present utility model;

fig. 9 is a schematic front view of a vacuum cleaner according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a dust collector;

100. a cyclone separator; 200. a dirt cup assembly; 300. a filter; 400. a host;

110. a separation cone; 111. a connecting frame; 112. a separation channel; 120. a suction cylinder; 130. a dust hopper; 140. a filter screen; 150. a first sealing structure;

1111. a central axis; 1112. a connecting disc;

101. an air inlet; 102. a first dust discharge port; 103. a second dust discharge port;

121. an exhaust pipe; 122. a first mounting portion; 123. a third sealing structure;

210. a dust cup body; 220. a dust cup cover; 230. a second sealing structure; 240. a fourth sealing structure;

211. a second mounting portion;

221. an air flow inlet; 222. an air flow outlet;

the direction of the arrow shown in the figure is the direction of the air flow.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Summary of the application

An embodiment of the present utility model is described below with reference to fig. 1 to 9.

As shown in fig. 1 and 2, according to an aspect of the present utility model, there is provided a cyclone separator 100, the cyclone separator 100 including: the connecting frame 111, a plurality of separation channels 112 and an air extraction cylinder 120, the connecting frame 111 has a central axis 1111, a plurality of separation channels 112 encircle central axis 1111 evenly distributed, and a plurality of separation channels 112 are connected with the connecting frame 111 respectively, every separation channel 112 is including connecting integrative circular cone section and cylinder section, the cylinder section is equipped with at least one air inlet 101, the constriction part of circular cone section is first dust exhaust port 102, air extraction cylinder 120 has the exhaust tube 121 with the quantity one-to-one of a plurality of separation channels 112, in the exhaust tube 121 stretches into corresponding separation channel.

The connecting frame 111 is mainly used for connecting a plurality of separation channels 112, and enables the plurality of separation channels 112 to be uniformly distributed around the central axis 1111, each separation channel 112 may be provided with an air inlet 101, and the plurality of air inlets 101 are uniformly arranged around the central axis 1111, so as to reduce wind resistance in each separation channel 112 and ensure the separation rate of each separation channel 112.

Specifically, the connection frame 111 is provided with a connection pad 1112, and the connection pad 1112 may have a disc-shaped structure, and a center of the connection pad 1112 coincides with a center axis 1111 of the connection frame 111. To reduce weight, the connection plate 1112 may be provided with a plurality of weight reducing holes. The connection pad 1112, the cylindrical section and the conical section can be integrally formed in sequence, the air inlet 101 is formed in the cylindrical section, and the area of the air inlet 101 can enable gas entering the separation channel 112 from the air inlet 101 to have a higher separation rate. The converging end of the conical section is remote from the air inlet 101, and it will be appreciated that the first dust discharge opening 102 is disposed at the converging end remote from the conical section so that, after gas and dust separation in the separation channel 112, separated dust flows out of the first dust discharge opening 102.

The gas mixed with the pollutants such as solid particles enters the separation channel 112 through the gas inlet 101, then the separation of the gas and the pollutants is carried out in the separation channel 112, the suction cylinder 120 can play a role of guiding the gas entering the separation channel 112 from the gas inlet 101, the suction cylinder 120 has a cylindrical structure, a plurality of suction pipes 121 are arranged at the bottom of the cylindrical structure, the number of the suction pipes 121 corresponds to the number of the separation channels 112 one by one, and one suction pipe 121 can partially extend into each separation channel 112.

The air inlet 101 and the air outlet of the cyclone separator 100 are arranged opposite to each other, so that the cyclone separator 100 can be applied to the dust collector 10 with a rod-shaped structure, and the dust collector 10 can meet the requirements of small volume and portability.

The depth of the extraction pipe 121 extending into the separation channel 112 does not exceed the conical section by 5 mm to ensure the separation rate of the gas in the separation channel 112. It should be understood that the air extraction tube 121 may extend into the cylindrical section of the separation channel 112, and the air extraction tube 121 may be located at a certain distance from the conical section, or the air extraction tube 121 may extend into the intersection of the cylindrical section and the conical section, or the air extraction tube 121 may extend into the conical section.

When the air flow mixed with the solid particles enters the separation channel 112 from the air inlet 101, the air flow containing the solid particles can generate a rotating air flow, the rotating air flow carries the air mixed with the solid particles to be pumped out by the air pumping pipe 121 while rotating, and simultaneously, the solid can move towards the first dust discharging port 102 and be discharged out of the first dust discharging port 102 along the inner wall of the conical section under the action of self gravity in the rotating process of the rotating air flow, so that the separation effect of the solid particles contained in the air flow is realized.

In another embodiment, the projections of the plurality of separation channels 112 onto a projection plane perpendicular to the central axis 1111 fall within a concentric circular region. It will be appreciated that the connection plate 1112 may be a circular disk and that the plurality of separation channels 112 may be located directly beneath the disk so that the cyclonic separator 100 may be applied within a cylindrical dirt cup.

In another embodiment, two air inlets 101 are oppositely arranged on each cylindrical section, so that the area of the air inlets 101 can be increased, and the wind resistance can be reduced. Wherein, both air inlets 101 are disposed on the side wall of the cylindrical section, which may be also understood as forming a notch on the side wall of the cylindrical section to form the air inlet 101. One air inlet 101 is provided with a channel, and the other air inlet 101 is directly arranged on the side wall of the cylindrical section with uniform thickness. In the adjacent two separation channels 112, two different air inlets 101 are arranged adjacent. It is also understood that the thickness of the cylindrical section is not uniform, so that the air inlet 101 is not entirely uniform.

In another embodiment, the separation channel 112 is provided in three. The three separation channels 112 can more easily meet the requirements of not influencing the separation rate and reducing the wind resistance on the premise of reducing the volume of the cyclone separator 100, so as to improve the applicable scene of the cyclone separator 100.

The main structure of the separation channel 112 is tapered, and the inner wall of the conical section of the separation channel 112 is inclined from bottom to top, so that the larger the taper of the conical section is, the smaller the wind resistance to the cyclone airflow is, otherwise, if the taper of the conical section is smaller, the larger the wind resistance to the cyclone airflow is. Thus, as the taper of the conical section increases, the diameter of the cylindrical section also increases, which is detrimental to the reduction in volume of the cyclone separator 100. Likewise, the larger the maximum inner diameter of the separation channel 112, the less wind resistance to the cyclone airflow, but this in turn increases the volume of the separation channel 112. In addition, the depth and diameter of the suction pipe 121 extending into the separation channel 112 also affect the windage and separation rate of the cyclone air flow,

therefore, considering comprehensively that, as shown in fig. 3, the maximum inner diameter D of the separation channel 112 is 15 mm to 17.5 mm, the width b of the air inlet 101 is 4 mm to 5 mm, the height a of the air inlet 101 is 10 mm to 13 mm, the depth s of the air extraction tube 121 is 12 mm to 15 mm, and the diameter Dx of the air extraction tube 121 is 9 mm to 12 mm; the height Ht of the separation channel 112 ranges from 40 mm to 50 mm, the sum of the height h of the cylindrical section and the height of the conical section is the height Ht of the separation channel 112, the height of the conical section ranges from 32 mm to 35 mm, and the diameter of the first dust exhaust port Bc ranges from 8 mm to 10 mm, so that the cyclone separator 100 can ensure that the separation rate reaches more than 90% at the same time, and the wind resistance is small.

Specifically, the maximum inner diameter of the separation channel 112 is 16 mm, the width of the air inlet 101 is 4 mm, the height of the air inlet 101 is 12.5 mm, the depth of the air extraction pipe 121 is 12.5 mm, the pipe diameter of the air extraction pipe 121 is 10 mm, the height of the separation channel 112 is 45 mm, the height of the conical section is 32.5 mm, and the diameter of the first dust discharge port 102 is 9 mm. So that the cyclone separator 100 can simultaneously ensure a separation rate of 99% or more while having a wind resistance of less than 5kpa.

Further, as shown in fig. 4 and 5, the cyclone separator 100 further includes a dust hopper 130, the cone section extends partially into the dust hopper 130, and the separation cone 110 is detachably connected to the dust hopper 130 and provided with a first sealing structure 150.

The terminal surface of the one end of the great cross section of laying dust fill 130 is equipped with annular slot, and wherein, filter screen 140 is cylindric structure, and filter screen 140's one end and pump cylinder 120 joint, filter screen 140's the other end and grafting are in the slot to can realize filter screen 140's dismantlement and be connected, in order to conveniently in time change filter screen 140 or clear up the filth of hanging at filter screen 140, thereby guarantee the separation effect of cyclone 100.

The inner wall of the dust accumulation bucket 130 is provided with a clamping groove, the outer wall of the separation channel 112 is provided with a buckle, and the separation channel 112 and the dust accumulation bucket 130 can form a detachable connecting structure through the matching of the buckle and the clamping groove. When dust accumulates to a certain amount in the dust hopper 130, the dust hopper 130 can be disassembled, and the dust hopper 130 is taken out for cleaning, so that excessive accumulation of dust in the dust hopper 130 is avoided, and the separation effect of the cyclone separator 100 is prevented from being influenced.

The removable connection of the dust hopper 130 to the separation channel 112 may also be accomplished by fasteners. Wherein, the outer wall of the separation channel 112 is provided with a convex structure, the convex structure is provided with a connecting hole, the dust accumulation hopper 130 can be provided with a radially extending platform, the platform is provided with a through hole or a threaded hole, and the through hole or the threaded hole and the connecting hole are connected with the separation channel 112 through a fastener, such as a bolt or a screw.

The separation channel 112 stretches into the dust accumulation bucket 130 and is abutted against the inner wall of the dust accumulation bucket 130 to form an abutting position, a first sealing structure 150 can be arranged at the abutting position, the first sealing structure 150 can comprise a sealing ring, the first sealing structure 150 is respectively contacted with the dust accumulation bucket 130 and the separation channel 112, so that the sealing between the dust accumulation bucket 130 and the separation channel 112 can be realized, and the phenomenon that dust reversely enters the separation channel 112 from the dust accumulation bucket 130 to affect the mutual separation of gas and solid particles can be avoided.

As shown in fig. 4 and 5, the cyclone separator 100 dust collector 10 further includes a filter screen 140, the filter screen 140 is sleeved outside the plurality of separation channels 112, and the filter screen 140 is detachably connected with the air suction barrel 120. The filter screen 140 made of metal is arranged at the air inlet 101, so that large-particle pollutants and the like can be prevented from entering the air inlet 101, and separation of gas and solid particles can be better realized.

The separation cone 110 and the suction cylinder 120 can be detachably connected through screws.

According to an embodiment of the present utility model, as shown in fig. 6, in another aspect, there is provided a cleaner 10, the cleaner 10 including: the dirt cup assembly 200 and the cyclone separator 100 of any one of the preceding claims, the dirt cup assembly 200 encloses a separation chamber, and the cyclone separator 100 is disposed within the separation chamber.

The dust collector 10 may be a vehicle-mounted dust collector 10, the dust collector 10 further comprises a filter 300, dust and dirt are sucked into the dust cup body 210 and then sequentially pass through the filter screen 140, the cyclone separator 100 and the filter 300 for step-by-step separation and filtration, and due to the adoption of the cyclone separator 100, the volume of the dust collector 10 can be reduced, and the separation rate of the dust collector 10 to the dust can be ensured.

Specifically, the filter 300 is HEPA, and the HEPA is mainly composed of ultrafine polypropylene fiber filter paper or glass fiber filter paper, non-woven fabric, hot melt adhesive, sealant, outer frame material such as paper shell edge, etc., wherein the glass fiber filter paper is produced by glass fibers with different thickness and different length through a special processing technology, and has the characteristic of large dust holding capacity, and can effectively trap particle dust with the size of more than 0.5um, thereby achieving the effect of purifying air.

In another embodiment, as shown in fig. 5 and 6, the dust hopper 130 of the cyclone separator 100 is provided with a second dust exhaust port 103, the dust cup assembly 200 includes a dust cup body 210 and a dust cup cover 220, the dust cup cover 220 is detachably connected to one end of the dust cup body 210, the dust cup cover 220 is provided with an air inlet 221, a portion of the air inlet 221 extending into the separation chamber is provided with a notch, so that the air inlet 221 is communicated with the separation chamber, and an end portion of the air inlet 221 seals the second dust exhaust port 103.

The dust cup body 210 may be made of transparent materials, so as to observe the dust accumulation in the dust cup body 210 and to more intuitively observe whether the filter 300 is blocked.

The dust cup cover 220 is provided with an air inlet 221, the dust cup cover 220 is detachably connected with the dust cup body 210, a dust accumulation cavity can be formed between the dust cup cover 220 and the dust cup body 210, so that fixed particles carried in air flow collide with the inner side wall of the dust cup body 210 and fall down to fall onto the dust cup cover 220 in the rising process of air flow, and the dust cup cover 220 can collect larger fallen dust particles.

Continuing to combine with fig. 5 and 6, the air inlet 221 is in a tubular structure, the air inlet 221 and the dust cup cover 220 can be integrally formed, one end of the air inlet 221 extends out of the dust cup cover 220, and the other end of the air inlet 221 is positioned in the separation cavity and is abutted against the second dust outlet, so that the second dust outlet is blocked. The side wall of the air inlet 221 is provided with a notch to form an air outlet 222, the air outlet 222 is communicated with the air inlet 221 and the separation cavity, the end part of the air inlet 221, which is positioned in the separation cavity, is abutted with the second dust outlet to seal the second dust outlet, a second sealing structure 230 is arranged between the air inlet 221 and the second dust outlet, the second sealing structure 230 can be a sealing ring, and dust can be prevented from being formed in the separation cavity by arranging the second sealing structure 230.

The mixed dust gas enters the dust cup body 210 through the air inlet 221 of the dust cup cover 220, and is filtered by the filter screen 140 while being sucked into the cyclone separator 100, dust particles larger than the aperture of the filter screen 140 are left in the separation cavity and fall onto the dust cup cover 220, dust particles smaller than the aperture enter the cyclone separator 100 through the filter screen 140 to be separated, and small particle dust falls into the dust hopper 130 to be collected. When the dust cup cover 220 is removed, dust collected in the dust hopper 130 can be cleaned.

The dust-mixed gas enters the separation channel 112 through the gas inlet 101, the gas flow rotates at a high speed, dust particles in the gas flow rotate at a high speed and are acted on the inner wall surface of the separation channel 112 by centrifugal force to move, finally, the dust particles are thrown out through the first dust discharge port 102 and enter the dust accumulation hopper 130, the center of the rotating gas flow is clean gas flow, and the clean gas flow flows to the HEPA through the exhaust pipe 121.

The airflow separated by the cyclone 100 contains only a very small amount of fine dust particles, and the airflow continues to move past and is intercepted by the HEPA. Most dust particles in the mixed dust gas are separated in the previous two-stage filtration, so that dust particles accumulated on the HEPA are greatly reduced, the time of blocking the HEPA is delayed, and the excessively rapid attenuation of the suction of the whole machine is avoided. The service life of HEPA is prolonged, the frequency of purchasing consumables by users is reduced, and the cost is saved.

The separating chamber is a cylindrical chamber with a diameter of 50 mm to 60 mm, and the size of the cleaner 10 can be reduced.

The dust cup body 210 is also in a cylindrical structure, one end of the dust cup body 210 is provided with an air flow inlet 221, so that air flow can enter the dust cup body 210, the air flow entering the dust cup body 210 enters the air inlet 101 of the cyclone separator 100 again, the air flow then enters the separation channel 112 from the air inlet 101 to generate rotary air flow, the rotary air flow carries the air mixed with solid particles and is sucked out by the suction tube 121 while rotating, and meanwhile, part of fixed particles can be discharged from the first dust discharge port 102 under the action of centrifugal force, so that the separation effect on the solid particles contained in the air flow is achieved. The solid particles discharged from the first dust discharge port 102 fall into the dust hopper 130 to be collected.

The rotating air flow drawn from the suction cylinder 120 contacts with the filter 300, and the filter 300 may further consider the air flow, thereby achieving the effect of purifying the air, and the clean air filtered by the filter 300 may be discharged into the ambient air.

In another embodiment, as shown in fig. 4 and 7, the air extracting cylinder 120 is provided with a first mounting portion 122 extending radially on an outer sidewall near one end of the air extracting tube 121, a second mounting portion 211 is provided in the dust cup body 210, the second mounting portion 211 is provided at an upstream of the air inlet flow in the dust cup body 210, the air extracting cylinder 120 is disposed in the separating cavity, and the first mounting portion 122 and the second mounting portion 211 are abutted to each other, so that the second mounting portion 211 can support the first mounting portion 122, and the air extracting cylinder 120 can be fixed in the separating cavity.

In addition, as shown in fig. 5, the air suction tube 120 is provided with a third sealing structure 123 outside the end far from the air suction tube 121, and the third sealing structure 123 is in contact with the inner wall of the dust cup body 210, so that the air suction tube 120 and the dust cup body 210 can be connected in a sealing manner. The third sealing structure 123 includes a first protruding portion and a second protruding portion, which protrude radially on the outer wall of the air extraction cylinder 120, respectively, so as to contact with the inner wall of the dust cup body 210 to achieve sealing. The first protrusion and the second protrusion are spaced apart from each other in the axial direction of the air pump 120, that is, a gap is formed between the first protrusion and the second protrusion, and an elastic ring may be further disposed in the gap to achieve better sealing. The elastic ring may be a rubber ring. The elastic ring may be sleeved on the outer wall of the air suction tube 120 and disposed in the gap, and the elastic ring may contact with the inner wall of the dust cup body 210.

The outer wall of the first protruding portion may abut against the inner wall of the dust cup body 210, so that the air extraction cylinder 120 may be fixed in position. Likewise, the second protruding portion may have the same structure as the first protruding portion, and the second protruding portion is disposed around the outer wall of the air pump 120, and also has a disc-shaped structure with a certain depth. Therefore, the three-way seal can be realized by the first boss, the second boss and the elastic ring, and the function of sealing and fixing the air suction tube 120 can be realized. The air pump 120 is connected with the dust cup body 210 in a sealing manner, so that air flow can be prevented from passing through, dust flying caused by outflow of air flow carrying dust can be avoided, and dust accumulation effect can be further optimized.

Of course, the third sealing structure 123 may be provided with only one protruding portion, which is not described herein.

In addition, the air suction tube 120 may be further disposed on the inner wall of the dust cup body 210 and integrated with the dust cup body 210, so that the air suction tube 120 may divide the inner cavity of the dust cup body 210 into a front chamber and a rear chamber, the front chamber is used for placing the cyclone separator 100, and the rear chamber is used for placing the HEPA. In this configuration, the cyclone separator 100 is detachable from the front of the dirt cup body 210 after the dirt cup cover 220 is opened, and the HEPA is detachable from the rear of the dirt cup body 210 after the dirt cup body 210 assembly is separated from the main body 400.

In another embodiment, as shown in fig. 8 and 9, the cleaner 10 further includes a main unit 400, and the main unit 400 is connected to the dust cup body 210, and the diameters of the dust cup body 210 and the main unit 400 are between 50 mm and 60 mm. The dust cup body 210 and the host 400 are fixed by a fixing structure, for example, a turnbuckle, a buckle, a thread, etc. The host 400 may extend partially into the separation chamber of the dirt cup body 210, thus requiring a seal between the host 400 and the HEPA. As shown in fig. 7, by providing the fourth sealing structure 240 at the end of the HEPA close to the host 400, the fourth sealing structure 240 may be a sealing ring, so that the sealing connection between the host 400 and the HEPA may be achieved.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims (11)

1. A cyclone separator (100), characterized by comprising:

the separation cone (110) comprises a connecting frame (111) and a plurality of separation channels (112), wherein the connecting frame (111) is provided with a central axis (1111), the plurality of separation channels (112) are uniformly distributed around the central axis (1111), the plurality of separation channels (112) are respectively connected with the connecting frame (111), each separation channel (112) comprises a conical section and a cylindrical section which are connected into a whole, the cylindrical section is provided with at least one air inlet (101), and the constriction part of the conical section is a first dust outlet (102);

and the air suction cylinder (120) is provided with air suction pipes (121) which are in one-to-one correspondence with the number of the separation channels (112), and the air suction pipes (121) extend into the corresponding separation channels.

2. The cyclone separator (100) according to claim 1, wherein the projections of the plurality of separation channels (112) onto a projection plane perpendicular to the central axis (1111) fall within a concentric circular area.

3. Cyclone separator (100) according to claim 1, wherein two of said air inlets (101) are provided opposite each other per said cylindrical section.

4. A cyclone separator (100) according to any one of claims 1-3, wherein the separation channels (112) are arranged in three.

5. The cyclone separator (100) according to claim 4, wherein the separation channel (112) has a maximum inner diameter ranging from 15 to 17.5 mm, the air inlet (101) has a width ranging from 4 to 5 mm, the air inlet (101) has a height ranging from 10 to 13 mm, the air extraction tube (121) has a depth ranging from 12 to 15 mm, and the air extraction tube (121) has a tube diameter ranging from 9 to 12 mm; the height of the separation channel (112) ranges from 40 mm to 50 mm, the height of the conical section ranges from 32 mm to 35 mm, and the diameter of the first dust discharge port (102) ranges from 8 mm to 10 mm.

6. The cyclone separator (100) according to claim 5, wherein the separation channel (112) has a maximum inner diameter of 16 mm, the air inlet (101) has a width of 4 mm, the air inlet (101) has a height of 12.5 mm, the air extraction pipe (121) has a depth of 12.5 mm, the air extraction pipe (121) has a pipe diameter of 10 mm, the separation channel (112) has a height of 45 mm, the conical section has a height of 32.5 mm, and the first dust discharge opening (102) has a diameter of 9 mm.

7. A cyclone separator (100) according to any one of claims 1 to 3, further comprising a dust hopper (130), the conical section extending partly into the dust hopper (130), the separation cone (110) being detachably connected to the dust hopper (130) and being provided with a first sealing structure (150).

8. A cyclone separator (100) according to any one of claims 1 to 3, further comprising a filter screen (140), the filter screen (140) being arranged around the outside of the plurality of separation channels (112), and the filter screen (140) being detachably connected to the suction cylinder (120).

9. A vacuum cleaner (10), comprising:

a dust cup assembly (200) enclosing a separation chamber;

the cyclone separator (100) according to any one of claims 1 to 8, the cyclone separator (100) being provided within the separation chamber.

10. The vacuum cleaner (10) of claim 9, wherein the dust hopper (130) of the cyclone separator (100) is provided with a second dust discharge port (103), the dust cup assembly (200) comprising:

a dirt cup body (210) enclosing the separation chamber;

the dust cup cover (220) is detachably connected to one end of the dust cup body (210), the dust cup cover (220) is provided with an air flow inlet (221), an air flow outlet (222) is formed in the portion, extending into the separation cavity, of the air flow inlet (221), the air flow inlet (221) is communicated with the separation cavity, and the end portion of the air flow inlet (221) is used for sealing the second dust exhaust port (103).

11. The vacuum cleaner (10) of claim 9, wherein the separation chamber is a cylindrical chamber having a diameter of 50 millimeters to 60 millimeters.