CN115067800B

CN115067800B - Cyclone separation device and dust collector

Info

Publication number: CN115067800B
Application number: CN202210474539.5A
Authority: CN
Inventors: 谈太平; 吴林; 穆宇; 王福鑫; 米威威
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2023-08-25
Anticipated expiration: 2042-04-29
Also published as: CN115067800A

Abstract

The invention belongs to the technical field of dust collection devices, and discloses a cyclone separation device and a dust collector, wherein the cyclone separation device comprises a cyclone separation body and a dust cup, a primary cyclone runner, a secondary cyclone runner and a tertiary cyclone runner are arranged on the cyclone separation body, two ends of the primary cyclone runner are respectively provided with a primary air inlet and a primary air outlet, one end of the secondary cyclone runner is provided with a secondary air outlet, the other end of the secondary cyclone runner is provided with a secondary dust outlet, the side wall of the secondary cyclone runner is provided with a tertiary air outlet, the other end of the tertiary cyclone runner is provided with a tertiary dust outlet, the side wall of the tertiary cyclone runner is provided with a tertiary air inlet, the tertiary air inlet is communicated with the secondary air outlet, the dust cup is covered on the outer side of the cyclone separation body, a first dust collection cavity is formed between the dust cup and the cyclone separation body, the primary air outlet and the secondary air inlet are respectively communicated with the first dust collection cavity, and the dust collector comprises the cyclone separation device. In the invention, the primary cyclone flow channel, the secondary cyclone flow channel and the tertiary cyclone flow channel are all arranged on the cyclone separating body, and the integration level is high.

Description

Cyclone separation device and dust collector

Technical Field

The invention relates to the technical field of dust collection devices, in particular to a cyclone separation device and a dust collector.

Background

Existing household cleaners are typically dirt cup cleaners which typically employ a cyclonic separating apparatus to retain dirt in the dirt cup and to remove clean air from the dirt cup.

In order to improve the dust separation effect, the existing dust collector is generally provided with a multi-stage cyclone flow passage, but the existing multi-stage cyclone flow passage is assembled by a plurality of parts, and has the disadvantages of complex structure, complex disassembly and assembly and difficult maintenance.

Disclosure of Invention

The invention provides a cyclone separating device and a dust collector, which can form a multi-stage cyclone flow passage by a simple structure.

To achieve the purpose, the invention adopts the following technical scheme:

a cyclonic separating apparatus comprising:

the cyclone separator is provided with a primary cyclone flow passage, a secondary cyclone flow passage and a tertiary cyclone flow passage, one end of the primary cyclone flow passage is a primary air inlet, the other end of the primary cyclone flow passage is a primary air outlet, one end of the secondary cyclone flow passage is a secondary air outlet, the other end of the secondary cyclone flow passage is a secondary dust outlet, a secondary air inlet is arranged on the side wall of the secondary cyclone flow passage, air flow entering from the secondary air inlet forms rotary air flow in the secondary cyclone flow passage, one end of the tertiary cyclone flow passage is a tertiary air outlet, the other end of the tertiary cyclone flow passage is a tertiary dust outlet, a tertiary air inlet is arranged on the side wall of the tertiary cyclone flow passage, the tertiary air inlet is communicated with the secondary air outlet, and air flow entering from the tertiary air inlet forms rotary air flow in the tertiary cyclone flow passage;

the dust cup is covered on the outer side of the cyclone separation body, a first dust collection cavity is formed between the dust cup and the cyclone separation body, the primary air outlet and the secondary air inlet are respectively communicated with the first dust collection cavity, and air flow entering from the primary air outlet forms rotary air flow encircling the cyclone separation body in the first dust collection cavity.

Preferably, the cyclone separating body comprises a first end body, an intermediate body and a second end body which are spliced in sequence;

the first-stage air inlet is positioned at one end of the first end body, which is away from the intermediate body, and the first-stage air outlet is positioned on the side wall of the intermediate body;

the secondary air inlet is positioned on the side wall of the intermediate body, the secondary air outlet is positioned at one end of the intermediate body, which is away from the first end body, and the secondary dust outlet is positioned on the first end body;

the third-stage air inlet is positioned on the side wall of the second end body, the third-stage air outlet is positioned at one end of the second end body deviating from the intermediate body, and the third-stage dust outlet is positioned on the first end body.

Preferably, the first end body is provided with a second dust collection cavity, and the second dust outlet and the third dust outlet are respectively communicated with the second dust collection cavity.

Preferably, the second dust collecting chamber is annularly arranged at the outer side of the primary cyclone flow passage.

Preferably, the dust collecting device further comprises a cup cover, wherein the cup cover is locked on the dust cup, and covers the outlet of the first dust collecting cavity and the outlet of the second dust collecting cavity.

Preferably, one end of the intermediate body, which is away from the first end body, is provided with a middle groove, the second-stage air outlet is positioned at the bottom of the middle groove, the second end body covers the notch of the middle groove to form a middle cavity, and the third-stage air inlet is communicated with the second-stage air outlet through the middle cavity.

Preferably, the air conditioner further comprises a primary filtering structure, wherein the primary filtering structure covers the secondary air inlet.

Preferably, the air conditioner further comprises a secondary filtering structure, wherein the secondary filtering structure covers the secondary air outlet.

The dust collector comprises the cyclone separation device and a motor assembly, wherein the air inlet end of the motor assembly is communicated with the three-stage air outlet.

Preferably, the motor assembly further comprises a three-stage filtering structure, wherein the three-stage filtering structure is arranged at the exhaust end of the motor assembly.

The invention has the beneficial effects that:

the first-level cyclone runner, the second-level cyclone runner and the third-level cyclone runner are all arranged on the cyclone separating body, the integration level is high, and the second-level dust outlet and the third-level dust outlet are all arranged on the cyclone separating body, so that the integrated collection of the second-level dust and the third-level dust is facilitated, the dust cup is matched with the cyclone separating body, the structure is simple, and the separation effect of the third-level cyclone airflow is efficiently realized.

Drawings

Fig. 1 is a schematic view of a dust collector according to an embodiment of the invention;

figure 2 is a cross-sectional view of a cleaner according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a vacuum cleaner according to an embodiment of the present invention with a secondary filter structure omitted;

FIG. 4 is a schematic view of a cleaner according to an embodiment of the present invention, with the dust cup and the cup cover omitted;

FIG. 5 is an exploded view of one orientation of a cyclone separator according to an embodiment of the present invention;

FIG. 6 is an exploded view of another orientation of a cyclone separator according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an exploded cyclone separator according to an embodiment of the present invention;

FIG. 8 is a schematic end view of a first end body according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of one orientation of an intermediate according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of another orientation of an intermediate according to an embodiment of the present invention;

FIG. 11 is a schematic illustration of the intermediate and secondary filter structure of an embodiment of the present invention;

fig. 12 is a schematic structural view of a second end body according to an embodiment of the present invention.

In the figure:

1. a cyclone separator; 11. a first end body; 12. an intermediate; 121. a middle groove; 13. a second end body;

2. a dust cup; 3. a cup cover; 4. a primary filtering structure; 5. a secondary filtering structure; 6. a motor assembly; 7. a three-stage filtering structure;

100. a primary cyclone flow path; 101. a first-stage air inlet; 102. a primary air outlet;

200. a secondary cyclone flow path; 201. a secondary air outlet; 202. a secondary dust outlet; 203. a second-stage air inlet;

300. three-stage cyclone flow channels; 301. three-stage air outlets; 302. a third-stage dust outlet; 303. a third-stage air inlet;

400. a first dust collection chamber;

500. a second dust collection chamber;

600. an intermediate chamber.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present invention, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1-12, the present invention provides a cyclonic separating apparatus comprising a cyclonic separating body 1 and a dirt cup 2. The cyclone separator 1 is provided with a primary cyclone flow passage 100, a secondary cyclone flow passage 200 and a tertiary cyclone flow passage 300, one end of the primary cyclone flow passage 100 is a primary air inlet 101, the other end is a primary air outlet 102, one end of the secondary cyclone flow passage 200 is a secondary air outlet 201, the other end is a secondary dust outlet 202, the side wall of the secondary cyclone flow passage 200 is provided with a secondary air inlet 203, air flow entering from the secondary air inlet 203 forms rotary air flow in the secondary cyclone flow passage 200, one end of the tertiary cyclone flow passage 300 is a tertiary air outlet 301, the other end is a tertiary dust outlet 302, the side wall of the tertiary cyclone flow passage 300 is provided with a tertiary air inlet 303, the tertiary air inlet 303 is communicated with the secondary air outlet 201, air flow entering from the tertiary air inlet 303 forms rotary air flow in the tertiary cyclone flow passage 300, a dust cup 2 is covered on the outer side of the cyclone separator 1, a first dust collecting cavity 400 is formed between the dust cup 2 and the cyclone separator 1, the primary air outlet 102 and the secondary air inlet 203 are respectively communicated with the first dust collecting cavity 400, and air flow entering from the primary air outlet 102 forms rotary air flow surrounding the cyclone separator 1 in the first dust collecting cavity 400.

In the invention, the primary cyclone runner 100, the secondary cyclone runner 200 and the tertiary cyclone runner 300 are all arranged on the cyclone separation body 1, the integration level is high, the secondary dust outlet 202 and the tertiary dust outlet 302 are all arranged on the cyclone separation body 1, the integrated collection of secondary dust and tertiary dust is facilitated, the dust cup 2 is matched with the cyclone separation body 1, the structure is simple, and the separation effect of tertiary cyclone airflow is effectively realized.

The structure of the cyclone separating apparatus and the dust collector according to the present invention will be described in detail.

The cyclone separation device comprises a cyclone separation body 1, a dust cup 2, a cup cover 3, a primary filtering structure 4 and a secondary filtering structure 5.

Specifically, the primary cyclone flow path 100, the secondary cyclone flow path 200 and the tertiary cyclone flow path 300 are respectively arranged on the cyclone separation body 1, the dust cup 2 is covered on the outer side of the cyclone separation body 1, and a first dust collecting cavity 400 is formed between the dust cup 2 and the cyclone separation body 1. The primary cyclone runner 100, the secondary cyclone runner 200 and the tertiary cyclone runner 300 are all arranged on the cyclone separation body 1, the integration level is high, and the secondary dust outlet 202 and the tertiary dust outlet 302 are all arranged on the cyclone separation body 1, so that the integrated collection of secondary dust and tertiary dust is facilitated, the dust cup 2 is matched with the cyclone separation body 1, the structure is simple, and the separation effect of tertiary cyclone airflow is effectively realized.

More specifically, the cyclone body 1 is provided with a second dust collecting chamber 500, and the secondary dust outlet 202 and the tertiary dust outlet 302 are respectively connected to the second dust collecting chamber 500. By arranging the second dust collecting cavity 500 which is separated from the first dust collecting cavity 400, heavy dust is gathered in the first dust collecting cavity 400, light dust is gathered in the second dust collecting cavity 500, the stability of air flow in the first dust collecting cavity 400 and the second dust collecting cavity 500 is improved, and the mutual influence between the two is avoided.

Specifically, on the cyclone body 1, the sectional area of the secondary cyclone flow path 200 is gradually reduced from the secondary air outlet 201 to the secondary dust outlet 202, and the sectional area of the tertiary cyclone flow path 300 is gradually reduced from the tertiary air outlet 301 to the tertiary dust outlet 302, so that wind entering from the side wall can form a rotating airflow in the secondary cyclone flow path 200 and the tertiary cyclone flow path 300, and the gradually reduced sectional area makes the cyclone suction force larger, thereby increasing the dust removal effect.

In this embodiment, the sections of the secondary cyclone flow channel 200 and the tertiary cyclone flow channel 300 are circular, and extend in a non-linear manner such as a curve, a parabola or a spiral line, the secondary air inlet 203 guides the air flow into the secondary cyclone flow channel 200 from tangential direction, and the tertiary air inlet 303 guides the air flow into the tertiary cyclone flow channel 300 from tangential direction.

Specifically, on the cyclone body 1, the primary air inlet 101 is located at one end of the cyclone body 1, the tertiary air outlet 301 is located at the other end of the cyclone body 1, and the secondary air inlet 203 is disposed on a side wall of the cyclone body 1. The arrangement ensures that the air flow integrally flows in from one end of the cyclone separation body 1 and flows out from the other end of the cyclone separation body 1, thereby being stable and reliable.

More specifically, the cyclone separator 1 is further provided with an intermediate chamber 600, the secondary cyclone flow channel 200 is provided with a plurality of tertiary air inlets 303, and the tertiary air inlets 303 are communicated with the plurality of secondary air outlets 201 through the intermediate chamber 600. By providing a plurality of secondary cyclone flow passages 200, the effect of secondary dust removal is increased, and by providing the intermediate chamber 600, the secondary cyclone flow passages 200 and the tertiary cyclone flow passages 300 can be more reliably joined.

In this embodiment, the cyclone separating body 1 includes a first end body 11, an intermediate body 12 and a second end body 13 which are inserted in sequence.

Specifically, as shown in fig. 5 to 10, the primary air inlet 101 is located at an end of the first end body 11 facing away from the intermediate body 12, and the primary air outlet 102 is located on a side wall of the intermediate body 12. The secondary air inlet 203 is located on the side wall of the intermediate body 12, the secondary air outlet 201 is located at one end of the intermediate body 12 facing away from the first end body 11, and the secondary dust outlet 202 is located on the first end body 11. The third stage air inlet 303 is located on the side wall of the second end body 13, the third stage air outlet 301 is located at one end of the second end body 13 away from the intermediate body 12, and the third stage dust outlet 302 is located on the first end body 11. The cyclone separation body 1 is formed by splicing three structural bodies, so that the preparation difficulty and cost of the cyclone separation body 1 are reduced.

More specifically, the second dust collecting chamber 500 is disposed on the first end body 11 near the outlet of the dust cup 2, so as to facilitate the integral dumping of dust and the integral sealing of the cup cover 3.

Specifically, the second dust collection chamber 500 is disposed around the outside of the primary cyclone flow path 100, has a large accommodating volume, and prevents interference with the air flow in the first dust collection chamber 400.

In this embodiment, for the middle cavity 600, the middle groove 121 is disposed at one end of the middle body 12 facing away from the first end body 11, the secondary air outlet 201 is located at the bottom of the middle groove 121, and the second end body 13 covers the notch of the middle groove 121 to form the middle cavity 600. The above arrangement reduces the difficulty in setting up the middle chamber 600, and facilitates the later disassembly and maintenance.

Specifically, the dust cup 2 is in a cylindrical shape with two open ends, is sleeved on the outer side of the cyclone separation body 1, one open end is a guiding outlet, the guiding outlet of the second dust collection cavity 500 faces the same as the guiding outlet of the dust cup 2, the cup cover 3 is locked on the dust cup 2, and the guiding outlet of the first dust collection cavity 400 and the guiding outlet of the second dust collection cavity 500 are covered.

More specifically, one end of the cup cover 3 is rotationally connected to the dust cup 2, the other end of the cup cover is provided with a buckle, the dust cup 2 is provided with a convex block, when the cup cover 3 is rotationally buckled on the dust cup 2, the buckle can be hooked on the convex block, the buckle between the cup cover 3 and the dust cup 2 is realized, a torsion spring is arranged at the rotational connection part of the cup cover 3 and the dust cup 2, and when the buckle and the convex block are unlocked, the torsion spring drives the cup cover 3 to spring open relative to the dust cup 2.

In the embodiment, the cup cover 3 is provided with a through hole, and the end of the cyclone separation body 1 provided with the primary air inlet 101 is arranged in the through hole of the cup cover 3 in a penetrating way and extends out of the dust cup 2.

Specifically, the primary filtering structure 4 covers the secondary air inlet 203, and can primarily filter dust and retain the dust in the first dust collecting cavity 400 in the dust cup 2, so that the burden of the secondary cyclone flow passage 200 and the tertiary cyclone flow passage 300 is reduced.

In this embodiment, the primary filtering structure 4 is in a cylindrical shape with two open ends, the side walls of the primary filtering structure 4 are uniformly provided with hollow holes, dust is filtered through the hollow holes, the primary filtering structure 4 in the cylindrical shape is sleeved outside the secondary air inlets 203 of the secondary cyclone channels 200, and the secondary air inlets 203 are integrally covered for filtering operation.

Specifically, the secondary filtering structure 5 is located in the middle cavity 600, covers the plurality of secondary air outlets 201, and integrally filters all the fluid led out from the plurality of secondary air outlets 201, thereby reducing the burden of the tertiary cyclone flow channel 300.

In this embodiment, the secondary filter structure 5 is a dry air filter as is conventional in the art, but may be a simple filter screen or other air filter structure.

The dust collector comprises the cyclone separation device and the motor assembly 6, wherein the air inlet end of the motor assembly 6 is communicated with the three-stage air outlet 301. Through the cyclone separation device, the dust collector has more compact structure and better dust removal effect.

In this embodiment, the motor assembly 6 is a motor of a vacuum cleaner and an electric control mechanism matched with the motor assembly, which are conventional devices in the art, and will not be described herein.

Specifically, the dust collector still includes tertiary filtration 7, and tertiary filtration 7 sets up in motor element 6's end of airing exhaust, along dust collector length direction, and motor element 6 presss from both sides and locates between cyclone and tertiary filtration 7, and tertiary filtration 7 filters the greasy dirt that carries on motor element 6 for the air that dissipates in the hole of dust collector is more fresh.

In this embodiment, the vacuum cleaner further includes a housing, the cyclone separator 1 and the motor assembly 6 are mounted on the housing, the dust cup 2 is assembled with the housing in a plugging manner, the dust cup 2 is sleeved on the outer sides of the first end body 11 and part of the intermediate body 12 when being assembled in place, a port of the dust cup 2 deviating from the outlet is blocked by the intermediate body 12, the primary air inlet 101 is located at the front end of the housing, and a dissipation hole is formed at the tail end of the housing.

The tertiary filter structure 7 sets up in the exhaust end of motor element 6, and the hole site that dissipates is located in tertiary filter structure 7's outside for motor element 6 moves forward on the dust catcher, because motor element 6 is heavier than other parts weight on the dust catcher, and behind its forward movement, can balance the front and back atress, has avoided behind the dust catcher structure light before being heavy, is convenient for set up the handle, if motor element 6 directly arranges the rear end of dust catcher in, can lead to the front and back size of dust catcher longer.

In this embodiment, the three-stage filter structure 7 is a dry air filter as is conventional in the art, but may be a simple filter screen or other air filter structure.

Specifically, as shown in fig. 5 to 7, the second end body 13 is fixedly arranged on the housing of the dust collector, so that the first end body 11 and the intermediate body 12 are conveniently aligned and installed, and the connection dislocation of the cyclone separation device and the motor assembly 6 is avoided.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. A cyclonic separating apparatus, comprising:

the cyclone separation device comprises a cyclone separation body (1), wherein a primary cyclone flow channel (100), a secondary cyclone flow channel (200) and a tertiary cyclone flow channel (300) are arranged on the cyclone separation body (1), one end of the primary cyclone flow channel (100) is a primary air inlet (101), the other end of the primary cyclone flow channel is a primary air outlet (102), one end of the secondary cyclone flow channel (200) is a secondary air outlet (201), the other end of the secondary cyclone flow channel is a secondary dust outlet (202), a secondary air inlet (203) is arranged on the side wall of the secondary cyclone flow channel (200), air flow entering from the secondary air inlet (203) forms rotary air flow in the secondary cyclone flow channel (200), one end of the tertiary cyclone flow channel (300) is a tertiary air outlet (301), the other end of the tertiary cyclone flow channel is a tertiary dust outlet (302), the side wall of the tertiary cyclone flow channel (300) is provided with a tertiary air inlet (303), the tertiary air inlet (303) is communicated with the secondary air outlet (201), and air flow entering from the tertiary air inlet (303) forms rotary air flow in the tertiary cyclone flow channel (300).

The dust cup (2) is covered on the outer side of the cyclone separation body (1), a first dust collection cavity (400) is formed between the dust cup (2) and the cyclone separation body (1), the primary air outlet (102) and the secondary air inlet (203) are respectively communicated with the first dust collection cavity (400), and air flow entering from the primary air outlet (102) forms rotary air flow encircling the cyclone separation body (1) in the first dust collection cavity (400).

2. Cyclonic separating apparatus as claimed in claim 1, wherein the cyclonic separating body (1) comprises a first end body (11), an intermediate body (12) and a second end body (13) which are spliced in sequence;

the primary air inlet (101) is positioned at one end of the first end body (11) deviating from the intermediate body (12), and the primary air outlet (102) is positioned on the side wall of the intermediate body (12);

the secondary air inlet (203) is positioned on the side wall of the intermediate body (12), the secondary air outlet (201) is positioned at one end of the intermediate body (12) deviating from the first end body (11), and the secondary dust outlet (202) is positioned on the first end body (11);

the third-stage air inlet (303) is located on the side wall of the second end body (13), the third-stage air outlet (301) is located at one end, deviating from the intermediate body (12), of the second end body (13), and the third-stage dust outlet (302) is located on the first end body (11).

3. Cyclone device according to claim 2, characterized in that the first end body (11) is provided with a second dust collecting chamber (500), and the secondary dust outlet (202) and the tertiary dust outlet (302) are respectively connected to the second dust collecting chamber (500).

4. A cyclone separating apparatus as claimed in claim 3, wherein the second dust collecting chamber (500) is provided around the outside of the primary cyclone flow passage (100).

5. A cyclone separator according to claim 3, further comprising a cover (3), said cover (3) being snap-fitted to said dust cup (2), closing off the outlet opening of said first dust collecting chamber (400) and the outlet opening of said second dust collecting chamber (500).

6. Cyclone device according to claim 2, characterized in that one end of the intermediate body (12) facing away from the first end body (11) is provided with an intermediate groove (121), the secondary air outlet (201) is located at the bottom of the intermediate groove (121), the second end body (13) covers the notch of the intermediate groove (121) to form an intermediate cavity (600), and the tertiary air inlet (303) is communicated with the secondary air outlet (201) through the intermediate cavity (600).

7. Cyclonic separating apparatus as claimed in claim 1, further comprising a primary filter structure (4), the primary filter structure (4) overlying the secondary air inlet (203).

8. Cyclonic separating apparatus as claimed in claim 1, further comprising a secondary filter structure (5), the secondary filter structure (5) covering the secondary air outlet (201).

9. A vacuum cleaner comprising a cyclonic separating apparatus as claimed in any one of claims 1 to 8 and a motor assembly (6), the motor assembly (6) having an air inlet end which is connected to the tertiary air outlet (301).

10. The vacuum cleaner of claim 9, further comprising a tertiary filter structure (7), the tertiary filter structure (7) being disposed at an exhaust end of the motor assembly (6).