WO2021042657A1

WO2021042657A1 - Cyclone, cyclonic separation apparatus, and handheld-type vacuum

Info

Publication number: WO2021042657A1
Application number: PCT/CN2020/071275
Authority: WO
Inventors: 蔡展
Original assignee: 东莞福莱仕智能电子科技有限公司
Priority date: 2019-09-05
Filing date: 2020-01-10
Publication date: 2021-03-11
Also published as: CN110584533A

Abstract

A cyclone (1), a cyclonic separation apparatus, and a handheld-type vacuum. The outer wall of the cyclone (1) is provided with a spiral structure (11). By means of arranging the spiral structure (11), the centrifugal force of the cyclone (1), the cyclonic separation apparatus, and the handheld-type vacuum can be increased, allowing fine dust to be completely separated from the air under the action of centrifugal force, rather than causing fine dust to be expelled from an air outlet of the cyclonic separation apparatus because of insufficient centrifugal force.

Description

Cyclone, cyclone separation device and handheld vacuum cleaner

Technical field

The embodiment of the present invention relates to the technical field of vacuum cleaners, in particular to cyclones, cyclones separating devices and hand-held vacuum cleaners.

Background technique

Hand-held vacuum cleaners are very popular with users due to their light weight, inherent portability and no power cord, which makes the hand-held vacuum cleaner particularly convenient for cleaning large or small cleaning areas. Generally, hand-held vacuum cleaners use centrifugal force to separate dirt from the dust-carrying air. Existing cyclones, such as patent documents CN201510336767.6, CN201010125011.4, etc., have too straight air channels, insufficient centrifugal force, and small size. The dust cannot be separated clean, and there is still a lot of dust discharged from the air outlet of the cyclone separator.

Summary of the invention

technical problem

The solution to the problem

Technical solutions

Based on the foregoing, the purpose of the embodiments of the present invention is to provide a cyclone, a cyclone separator, and a handheld vacuum cleaner that can provide strong centrifugal force to separate fine dirt such as dust.

To achieve the above objective, the following technical solutions are adopted in the embodiments of the present invention:

In one aspect, a cyclone is provided, the outer wall of the cyclone is provided with a spiral structure.

Further, at least two spiral air ducts are formed between the spiral structures.

Further, there are six spiral air ducts.

Further, the distances between the spiral air ducts are equal.

In another aspect, a cyclone separation device is provided, which includes a primary separation component and a secondary separation component, and the secondary separation component includes the above-mentioned cyclone.

Further, the first-level separation assembly includes an air duct head, a dust box silicone ring, a filter screen, a filter support and an air duct support, and the dust box silicone ring is fixedly arranged above the air duct head. The air duct bracket is fixedly arranged above the silica gel ring of the dust collection box, the filter bracket is embedded in the air duct bracket, the top of the filter bracket is fixedly connected with the air duct bracket, and the filter bracket is fixedly connected to the air duct bracket. The bottom is in contact with the silicone ring of the dust collection box, the filter is fixed to the filter bracket, the air duct head is communicated with the inside of the air duct bracket, and the air duct bracket is connected to the filter bracket Both are provided with openings, and the air duct bracket is communicated with the secondary separation component.

Further, a connecting part is provided inside the air duct head, and the connecting part is used to connect the air inlet pipe of the vacuum cleaner.

Further, the two-stage separation assembly further includes a cyclone support and a cyclone support cover, the cyclone support is in communication with the first-stage separation assembly, the cyclone is arranged in the cyclone support, and the cyclone The spiral structure of the outer wall of the cyclone abuts against the cyclone support to form a sealed spiral air duct. The cyclone support is also provided with a through hole which is connected to the primary separation assembly and the spiral air duct. In communication, the cyclone support cover is arranged above the cyclone support.

Further, the center of the cyclone support is provided with a circular hole, and an air duct threading cover is provided under the circular hole.

In yet another aspect, a hand-held vacuum cleaner is provided, which includes a suction generator, a housing, a cyclone separation device, a body support, an air intake pipe, and a floor brush head. The cyclone separation device is provided in the housing, and the cyclone separation The device is the cyclone separation device described above.

The beneficial effects of the invention

Beneficial effect

The beneficial effects of the embodiments of the present invention are:

Embodiments of the present invention provide a cyclone, a cyclone separation device, and a handheld vacuum cleaner. The outer wall of the cyclone is provided with a spiral structure. By providing the spiral structure, the centrifugal force of the cyclone, the cyclone separation device and the handheld vacuum cleaner can be strengthened, so that The fine dust can be completely separated from the air under the action of centrifugal force, and the fine dirt such as dust will not be discharged from the air outlet of the cyclone separator due to insufficient centrifugal force.

Brief description of the drawings

Description of the drawings

In order to explain the technical solutions in the embodiments of the present invention more clearly, the following will briefly introduce the drawings used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are only some of the embodiments of the present invention. Embodiments, for those of ordinary skill in the art, without creative work, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings.

Fig. 1 is a schematic diagram of the structure of a cyclone according to the first embodiment of the present invention;

2 is a schematic diagram of the structure of a cyclone separation device according to the second embodiment of the present invention;

Figure 3 is an exploded view of the cyclone separation device in the second embodiment of the present invention;

4 is a schematic diagram of a cross-sectional structure of a cyclone separation device in the second embodiment of the present invention;

5 is a schematic cross-sectional view of the wind direction of the cyclone separation device in the second embodiment of the present invention;

6 is a schematic diagram of the structure of the filter screen and the filter screen bracket of the cyclone separation device in the second embodiment of the present invention;

Figure 7 is a top view of the cyclone bracket of the cyclone separation device in the second embodiment of the present invention;

Figure 8 is a top view of the air duct bracket of the cyclone separation device according to the second embodiment of the present invention;

9 is a schematic structural diagram of the air duct bracket of the cyclone separation device according to the second embodiment of the present invention;

Figure 10 is a top view of the air duct head of the cyclone separation device according to the second embodiment of the present invention;

11 is a schematic diagram of the structure of the air duct head of the cyclone separation device according to the second embodiment of the present invention;

Figure 12 is an exploded view of the connecting parts of the cyclone separation device in the second embodiment of the present invention;

Fig. 13 is a schematic structural diagram of a handheld vacuum cleaner according to the third embodiment of the present invention.

In the picture:

1. Cyclone; 11. Spiral structure; 12. Seal of the first cyclone; 13. Seal of the second cyclone; 14. Spiral duct; 2. Head of the duct; 21. Connecting part; 210. Connecting seat; 211. Connecting cover. 212. Connecting female head; 22. Air duct head sealing ring; 3. Dust box silicone ring; 4. Filter support; 41. Filter; 42, filter support sealing ring; 5. Air duct Support; 51. Opening; 52. Sealing ring of the first air duct support; 53, Sealing ring of the second air duct support; 6. Cyclone support; 61, through hole; 62, round hole; 63, sealing of the first cyclone support 64. Sealing ring of the second cyclone support; 7. Sealing ring of the cyclone support cover; 71. Sealing ring of the cyclone support cover; 8. Air duct threading cover; 1A, suction generator; 2A, shell; 3A, inlet Trachea; 4A, floor brush head; 5A, body support.

The best embodiment for implementing the invention

The best mode of the present invention

In order to make the technical problems solved by the embodiments of the present invention, the technical solutions adopted, and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are merely The embodiments of the present invention are a part of the embodiments, but not all of the embodiments. Based on the embodiments in the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the protection scope of the embodiments of the present invention.

In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be interpreted broadly, for example, it may be a fixed connection or a detachable connection, or It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood in specific situations.

In the embodiments of the present invention, unless otherwise clearly specified and limited, the "upper" or "lower" of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features. The two features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than that of the second feature. The "below", "below" and "below" the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "upper", "lower", "left", "right", and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for ease of description and simplified operations. , Rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the embodiments of the present invention. In addition, the terms "first" and "second" are only used to distinguish them in description, and have no special meaning.

Example one

As shown in FIG. 1, the embodiment of the present invention provides a cyclone 1, the outer wall of the cyclone 1 is provided with a spiral structure 11, and the spiral structure 11 is integrally formed with the cyclone 1. By providing the spiral structure 11, The centrifugal force of the cyclone 1 can be strengthened, so that the fine dirt such as dust can be completely separated from the air under the action of the centrifugal force, and the fine dirt such as dust will not be discharged into the air again due to insufficient centrifugal force. At least two spiral ducts 14 are formed between the spiral structures 11, and the spiral ducts 14 can be two, three, four, five, six, or even more. Preferably, there are six spiral ducts 14, when The best effect is when the number of spiral ducts 14 is six.

As a preferred way of the embodiment of the present invention, the distances between the spiral air ducts 14 are equal, and the spiral air ducts 14 at equal intervals can make the air carrying fine dirt such as dust enter the spiral air duct 14 evenly. The outflow avoids mutual influence when the air flows out of different spiral ducts 14 and brings dust into the clean air where the dust has been separated.

In the embodiment of the present invention, a spiral structure 11 is provided on the outer wall of the cyclone 1, thereby forming a spiral duct 14, which enhances the centrifugal force. The air carrying fine dirt such as dust will be completely separated from the air under the action of the spiral centrifugal force. Separation, so that dust will not be discharged into the air again.

Second embodiment, as shown in Figures 2 to 12, an embodiment of the present invention provides a cyclone separation device, including a primary separation component and a secondary separation component, and the secondary separation component includes the cyclone 1 described in the first embodiment. . Generally, the primary separation component of the cyclone separation device is used to separate large dirt in the air, and the secondary separation component is used to separate fine dirt such as dust in the air.

As a preferred way of the embodiment of the present invention, the primary separation component includes an air duct head 2, a dust box silicone ring 3, a filter 41, a filter support 4, and an air duct support 5. The dust box silicone ring 3 is fixedly arranged above the air duct head 2, the air duct bracket 5 is fixedly arranged above the silicone ring 3 of the dust box, the filter bracket 4 is embedded in the air duct bracket 5, and the filter The top of the mesh support 4 is fixedly connected to the air duct support 5, the bottom of the filter support 4 abuts the silicone ring 3 of the dust box, the filter 41 is fixed to the filter support 4, so The air duct head 2 is internally communicated with the air duct support 5, the air duct support 5 and the filter mesh support 4 are both provided with an opening 51, and the air duct support 5 communicates with the secondary separation assembly.

Specifically, the air duct bracket 5 is fixed above the air duct head 2 by bolts, and the air duct head 2 is also provided with an air duct head sealing ring 22, and the air duct head 2 can be connected to the air inlet pipe of the vacuum cleaner. The air duct head sealing ring 22 can seal the gap between the air duct head 2 and the air intake pipe, and a second air duct support sealing ring 53 is also provided between the air duct head 2 and the inside of the air duct bracket 5 The second air duct support sealing ring 53 can seal the gap between the air duct head 2 and the inside of the air duct support 5; the dust box silicone ring 3 is embedded in the outside of the air duct head 2 and the air duct support 5 Between the edges, the dust box silicone ring 3 is clamped and fixed by the air duct head 2 and the air duct bracket 5, the filter bracket 4 is embedded in the periphery of the air duct bracket 5, and the top of the filter bracket 4 passes The bolts are fixedly connected to the air duct bracket 5, the filter screen 41 is fixed on the filter screen bracket 4, and the filter screen bracket 4 is also provided with a filter screen bracket sealing ring 42; the inner center of the air duct head 2 The air duct bracket 5 includes an upper part and a lower part, the center and the periphery of the lower part of the air duct bracket 5 are hollow structures, and the hollow structure in the center of the air duct head 2 and the wind The hollow structure at the center of the lower part of the duct bracket 5 is connected, the hollow structure around the air duct head 2 communicates with the hollow structure around the lower part of the air duct bracket 5, and the upper part of the air duct bracket 5 is horn-shaped In addition, a strip-shaped gap is provided, and the side surface of the air duct bracket 5 and the side surface of the filter screen holder 4 are both provided with an opening 51, and the opening 51 communicates with the hollow structure in the center of the lower part of the air duct bracket 5, The air carrying dirt enters the cyclone separation device from the air duct head 2, flows out from the opening 51, and then enters the gap between the filter support 4 and the air duct support 5 through the filter 41. At this time, the large stolen goods are filtered. 41 to separate, complete the first level of separation.

As a preferred manner of the embodiment of the present invention, a connecting member 21 is provided inside the air duct head 2, and the connecting member 21 is used to connect an air inlet pipe of a vacuum cleaner.

Specifically, the connecting component 21 includes a connecting seat 210, a connecting cover 211, and a connecting female head 212. The connecting female head 212 is embedded and fixed in the connecting seat 210, and the connecting seat 210 and the connecting cover 211 are fixed by bolts. Inside the air duct head 2, the connecting member 21 is connected to the intake pipe through a connecting female head 212.

As a preferred way of the embodiment of the present invention, the secondary separation assembly further includes a cyclone support 6 and a cyclone support cover 7, the cyclone support 6 communicates with the primary separation assembly, and the cyclone 1 The spiral structure 11 on the outer wall of the cyclone 1 abuts against the cyclone support 6 to form a sealed spiral air duct 14, and the cyclone support 6 is also provided with a through hole 61 The through holes 61 communicate with the primary separation assembly and the spiral air duct 14 respectively, and the cyclone support cover 7 is arranged above the cyclone support 6.

Specifically, the lower part of the cyclone support 6 is embedded in the upper part of the air duct support 5, the top of the air duct support 5 is fixedly connected to the cyclone support 6 by bolts, and the cyclone support cover 7 is fixedly arranged on the cyclone by bolts. Above the cyclone support 6, between the cyclone support 6 and the cyclone support cover 7, there is also a cyclone support cover sealing ring 71, and the cyclone support cover sealing ring 71 is used to seal the cyclone support 6 and the cyclone support cover 7, between the cyclone support 6 and the top of the air duct support 5 is also provided with a first cyclone support sealing ring 63, the first cyclone support sealing ring 63 In order to seal the gap between the cyclone support 6 and the top of the air duct support 5, the cyclone support 6 is provided with accommodating cavities for accommodating the cyclone 1, and there are at least two accommodating cavities, which can be three, Four, five, six, seven, or even more, six in this embodiment, and six cyclones 1 are correspondingly provided. The spiral structure 11 on the outer wall of the cyclone 1 is The accommodating cavity of the cyclone support 6 abuts to form a sealed spiral air duct 14. The bottom of the spiral air duct 14 communicates with the hollow structure around the air duct support 5, and the cyclone 1 and the cyclone support 6 A first cyclone sealing ring 12 and a second cyclone sealing ring 13 are also provided between the inner walls of the containing cavity. The first cyclone sealing ring 12 and the second cyclone sealing ring 13 are used to seal the cyclone 1 The gap between the top and the top of the cyclone support 6. The cyclone support 6 is also provided with a through hole 61, one end of the through hole 61 is communicated with the top of the spiral air duct 14, and the upper part of the air duct support 5 is horn-shaped and is provided with a strip-shaped gap so that the The other end of the through hole 61 communicates with the gap between the air duct support 5 and the filter support 4. The first-stage filtered air flows out from the gap between the air duct support 5 and the filter support 4, and then passes through the through hole 61, enters the spiral air duct 14 from the top of the spiral air duct 14, and is strongly centrifuged in the spiral air duct 14. Under the action, the air flowing from the bottom of the spiral duct 14 and carrying fine dirt such as dust will deposit downwards under the action of centrifugal force. The dust passes through the hollow structure around the duct bracket 5 from the hollow around the duct head 2 The structure is discharged, and clean air flows from the bottom of the hollow structure of the cyclone 1 into the top and flows out, thereby achieving complete separation of fine dirt such as dust and air.

As a preferred way of the embodiment of the present invention, a circular hole 62 is provided in the center of the cyclone bracket 6, and an air duct threading cover 8 is provided below the circular hole 62, and the air duct threading cover 8 is fixed by bolts. Below the circular hole 62, a power cord can pass through the middle of the air duct threading cover 8, which can supply power to the floor brush head of the vacuum cleaner. There is also an arrangement between the circular hole 62 and the air duct threading cover 8. There is a second cyclone support sealing ring 64, and the second cyclone support sealing ring 64 is used to seal the gap between the air duct threading cover 8 and the round hole 62.

As shown in Figure 5, when the suction generator of the vacuum cleaner is activated, the floor brush head sucks dirt-laden air into the vacuum cleaner, and enters the hollow structure in the center of the air duct head 2 of the cyclone separation device from the air duct. The opening 51 of the bracket 5 flows out, and then the air with dirt enters the gap between the filter 41 at b and the filter holder 4. At this time, the bulky dirt is isolated by the filter 41, and only dust is left in the air. The air of fine dirt, and then the air enters the top of the spiral duct 14 from the through hole 61 of the cyclone bracket 6 at c, and flows out from the bottom d of the spiral duct 14, through the centrifugal force of the spiral duct 14, dust, etc. The fine dirt is separated from the air, and the fine dirt such as dust is deposited. The fine dirt such as dust flows out along the hollow structure around the air duct bracket 5 and the hollow structure around the air duct head 2, and finally discharged from the point e, and the clean air Then, it is discharged from the top f of the hollow structure of the cyclone 1 to achieve complete separation of fine dirt such as air and dust.

The third embodiment, as shown in FIG. 13, the embodiment of the present invention provides a handheld vacuum cleaner, which includes a suction generator 1A, a housing 2A, a cyclone separation device, a body support 5A, an air intake pipe 3A, and a floor brush head 4A. The cyclone separation device is arranged in the housing 2A, and the cyclone separation device includes the cyclone separation device described in the second embodiment.

Note that the above are only preferred embodiments of the embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the embodiments of the present invention are not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made to those skilled in the art without departing from the protection scope of the embodiments of the present invention. . Therefore, although the embodiments of the present invention have been described in more detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments. Without departing from the concept of the embodiments of the present invention, more other equivalents may be included. Embodiments, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.

Claims

A cyclone, characterized in that the outer wall of the cyclone (1) is provided with a spiral structure (11).
The cyclone according to claim 1, wherein at least two spiral ducts (14) are formed between the spiral structures (11).
The cyclone according to claim 2, characterized in that there are six spiral ducts (14).
The cyclone according to claim 2 or 3, characterized in that the distances between the spiral ducts (14) are equal.
A cyclone separation device, comprising a primary separation component and a secondary separation component, characterized in that the secondary separation component comprises the cyclone (1) according to any one of claims 1 to 4.
The cyclone separation device according to claim 5, characterized in that the primary separation component includes a duct head (2), a dust box silica gel ring (3), a filter screen (41), and a filter screen bracket ( 4) And the air duct bracket (5), the dust box silicone ring (3) is fixedly arranged above the air duct head (2), and the air duct bracket (5) is fixedly arranged on the dust box silica gel Above the ring (3), the filter support (4) is embedded in the air duct support (5), and the top of the filter support (4) is fixedly connected to the air duct support (5), and the filter The bottom of the net support (4) abuts the silicone ring (3) of the dust box, the filter (41) is fixed on the filter support (4), and the air duct head (2) is in contact with the The air duct support (5) is internally communicated, the air duct support (5) and the filter support (4) are both provided with openings (51), and the air duct support (5) and the secondary separation assembly Interlinked.
The cyclone separation device according to claim 6, characterized in that a connecting part (21) is provided inside the air duct head (2), and the connecting part (21) is used to connect the air inlet pipe of a vacuum cleaner.
A cyclone separation device according to claim 5, characterized in that the secondary separation assembly further comprises a cyclone support (6), a cyclone support cover (7), the cyclone support (6) and the The first-stage separation assembly communicates with each other, the cyclone (1) is arranged in the cyclone support (6), and the spiral structure (11) of the outer wall of the cyclone (1) is connected to the cyclone support (6) Abutting to form a sealed spiral air duct (14), the cyclone bracket (6) is also provided with a through hole (61), and the through hole (61) is connected to the primary separation assembly and the spiral air duct respectively. (14) Communication, the cyclone support cover (7) is arranged above the cyclone support (6).
The cyclone separation device according to claim 8, characterized in that a circular hole (62) is provided in the center of the cyclone support (6), and an air duct threading cover is provided below the circular hole (62) (8).
A hand-held vacuum cleaner, comprising a suction generator (1A), a housing (2A), a cyclone separation device, a body bracket (5A), an air intake pipe (3A) and a floor brush head (4A), the cyclone separation device is provided Inside the casing (2A), it is characterized in that the cyclone separation device comprises the cyclone separation device according to any one of claims 5 to 9.