CN110584533A - Cyclone, cyclone separation device and handheld dust collector - Google Patents

Abstract

The embodiment of the present invention relates to the technical field of vacuum cleaners, and discloses a cyclone, a cyclone separation device and a hand-held vacuum cleaner. The outer wall of the cyclone is provided with a helical structure. The centrifugal force of the vacuum cleaner enables the fine dust to be completely separated from the air under the action of the centrifugal force, and will not be discharged from the air outlet of the cyclone separation device due to insufficient centrifugal force.

Description

Cyclones, cyclones and hand-held vacuum cleaners

technical field

The embodiments of the present invention relate to the technical field of vacuum cleaners, in particular to cyclones, cyclone separation devices and hand-held vacuum cleaners.

Background technique

Hand-held vacuum cleaners are very popular with users due to their light weight and inherent portability without a power cord, which makes hand-held vacuum cleaners particularly convenient for cleaning large areas or small cleaning areas. Usually, the hand-held vacuum cleaner uses centrifugal force to separate the dirt from the dust-carrying air. The existing cyclone, such as patent documents CN201510336767.6, CN201010125011.4, etc., the air duct of the cyclone is too straight, the centrifugal force is insufficient, and the small The dust cannot be separated cleanly, and there is still a lot of dust discharged from the air outlet of the cyclone separation device.

Contents of the invention embodiment

Based on the above, the purpose of the embodiments of the present invention is to provide a cyclone, a cyclone separation device and a hand-held vacuum cleaner, which can provide strong centrifugal force to separate fine dirt such as dust.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

In one aspect, a cyclone is provided, the outer wall of the cyclone is provided with a helical 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, comprising a primary separation assembly and a secondary separation assembly, and the secondary separation assembly includes the cyclone mentioned above.

Further, the primary separation assembly includes an air channel head, a dust box silicone ring, a filter screen, a filter screen support and an air channel support, and the dust box silicone ring is fixedly arranged above the air channel head. The air channel support is fixedly arranged above the silica gel ring of the dust box, the filter screen support is embedded in the air channel support, the top of the filter screen support is fixedly connected with the air channel support, and the filter screen support The bottom is in contact with the silicone ring of the dust box, the filter is fixed on the filter bracket, the air duct head is connected to 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 support communicates with the secondary separation assembly.

Further, a connecting part is provided inside the air duct head, and the connecting part is used for connecting the air intake pipe of the vacuum cleaner.

Further, the secondary separation assembly also includes a cyclone support and a cyclone support cover, the cyclone support communicates with the primary separation assembly, the cyclone is arranged in the cyclone support, and the cyclone The spiral structure of the outer wall of the device abuts against the cyclone support to form a sealed spiral air duct, and the cyclone support is also provided with through holes, which are respectively connected with the first-stage separation component and the spiral air duct. In communication, the cyclone bracket cover is arranged above the cyclone bracket.

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

In yet another aspect, a handheld vacuum cleaner is provided, including a suction generator, a housing, a cyclone separation device, a body support, an air intake pipe, and a ground brush head, the cyclone separation device is arranged in the housing, and the cyclone separation device The device is the cyclone separation device described above.

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 helical structure. By arranging the helical structure, the centrifugal force of the cyclone, the cyclone separation device, and the hand-held vacuum cleaner can be strengthened, so that Fine dust can be completely separated from the air under the action of centrifugal force, and fine dirt such as dust will not be discharged from the air outlet of the cyclone separation device due to insufficient centrifugal force.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the drawings in the following description are only some of the embodiments of the present invention. For the embodiments, those skilled in the art can also obtain other drawings according to the contents of the embodiments of the present invention and these drawings without any creative effort.

Fig. 1 is a schematic structural view of a cyclone according to an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the cyclone separation device of the second embodiment of the present invention;

Fig. 3 is the explosion diagram of the second cyclone separation device of the embodiment of the present invention;

Fig. 4 is a schematic cross-sectional structure diagram of a cyclone separation device according to Embodiment 2 of the present invention;

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

Fig. 6 is a structural schematic diagram of a filter screen and a filter screen support of a cyclone separation device according to Embodiment 2 of the present invention;

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

Fig. 8 is a top view of the air duct support of the cyclone separation device according to the second embodiment of the present invention;

Fig. 9 is a schematic structural view of the air duct support of the cyclone separation device according to the second embodiment of the present invention;

Fig. 10 is a top view of the air channel head of the cyclone separation device according to the second embodiment of the present invention;

Fig. 11 is a schematic structural view of the air duct head of the cyclone separation device of the second embodiment of the present invention;

Fig. 12 is an exploded view of the connecting parts of the second cyclone separation device of the present invention;

Fig. 13 is a schematic structural view of a handheld vacuum cleaner according to Embodiment 3 of the present invention.

In the picture:

1. Cyclone; 11. Spiral structure; 12. First cyclone sealing ring; 13. Second cyclone sealing ring; 14. Spiral air duct; 2. Air duct head; 21. Connecting parts; 210. Connecting seat; 211, connection cover, 212, connecting female head; 22, air duct head sealing ring; 3, dust box silicone ring; 4, filter screen support; 41, filter screen; 42, filter screen support sealing ring; 5, air duct Bracket; 51, opening; 52, first air duct support seal ring; 53, second air duct support seal ring; 6, cyclone support; 61, through hole; 62, round hole; 63, first cyclone support seal 64, the sealing ring of the second cyclone bracket; 7, the cyclone bracket cover; 71, the cyclone bracket cover sealing ring; 8, the air duct threading cover; 1A, suction generator; 2A, shell; 3A, inlet Trachea; 4A, ground brush head; 5A, body support.

Detailed ways

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

In the description of the embodiments of the present invention, unless otherwise specified and limited, the terms "connected", "connected" and "fixed" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integrate; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present invention in specific situations.

In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. Two features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or 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", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation. , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

Embodiment one

As shown in Figure 1, the embodiment of the present invention provides a cyclone 1, the outer wall of the cyclone 1 is provided with a helical structure 11, the helical structure 11 is integrally formed with the cyclone 1, by setting the helical structure 11, The centrifugal force of the cyclone 1 can be strengthened, so that fine dirt such as 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 into the air again due to insufficient centrifugal force. At least two spiral air passages 14 are formed between the spiral structures 11, and the spiral air passages 14 can be two, three, four, five, six, or even more, preferably six spiral air passages 14 are provided. When there are six spiral air ducts 14, the effect is the best.

As a preferred mode of the embodiment of the present invention, the distances between the spiral air ducts 14 are equal, and the equally spaced spiral air ducts 14 can make the air carrying fine dirt such as dust enter the spiral air ducts 14 evenly, to prevent the air from interacting with each other when different spiral air ducts 14 flow out, and to bring dust into the clean air that has separated dust.

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

Embodiment 2, as shown in Figures 2 to 12, an embodiment of the present invention provides a cyclone separation device, including a primary separation assembly and a secondary separation assembly, the secondary separation assembly includes the cyclone 1 described in Embodiment 1 . Usually, 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 mode of the embodiment of the present invention, the primary separation assembly includes the air channel head 2, the dust box silicone ring 3, the filter screen 41, the filter screen support 4 and the air channel support 5, and the dust box silicone ring 3 is fixedly arranged above the air duct head 2, the air duct support 5 is fixedly disposed above the dust box silicone ring 3, the filter screen support 4 is embedded in the air duct support 5, and the filter The top of the net support 4 is fixedly connected with the air duct support 5, the bottom of the filter net support 4 abuts against the silica gel ring 3 of the dust box, and the filter net 41 is fixed on the filter net support 4, so The air duct head 2 communicates with the interior of the air duct support 5 , the air duct support 5 and the filter screen support 4 are both provided with openings 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 inside, and the air duct head 2 can be connected to the air intake pipe of the vacuum cleaner. , the air channel head sealing ring 22 can seal the gap between the air channel head 2 and the air intake pipe, and a second air channel support sealing ring 53 is also arranged between the air channel head 2 and the inside of the air channel support 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; Between the edges, the dust box silicone ring 3 is clamped and fixed by the air duct head 2 and the air duct support 5, the filter screen support 4 is embedded in the periphery of the air duct support 5, and the top of the filter screen support 4 passes through The bolt is fixedly connected with the air duct support 5, the filter screen 41 is fixed on the filter screen support 4, and the filter screen support 4 is also provided with a filter screen support sealing ring 42; the center of the air duct head 2 inside The air duct bracket 5 includes an upper part and a lower part, and the center and surroundings of the lower part of the air duct bracket 5 are hollow structures, and the hollow structure at the center of the air duct head 2 is in line with the air duct head 2. The hollow structure in the center of the lower part of the air duct support 5 communicates with the surrounding hollow structure of the air duct head 2 and the surrounding hollow structure of the lower part of the air duct support 5, and the upper part of the air duct support 5 is trumpet-shaped And be provided with strip-shaped gap, the side of described air duct support 5 and the side of described filter screen support 4 are all provided with opening 51, and described opening 51 communicates with the hollow structure of the center of the bottom of described air duct support 5, The air carrying the dirt enters the cyclone separation device from the air channel head 2, flows out from the opening 51, and then enters the gap between the filter screen support 4 and the air channel support 5 through the filter screen 41, at this time, the large-scale stolen goods are filtered by the filter screen. 41 to separate and complete the first-level separation.

As a preferred mode of the embodiment of the present invention, the inside of the air channel head 2 is provided with a connecting part 21, and the connecting part 21 is used for connecting the air intake pipe of the vacuum cleaner.

Specifically, the connecting part 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 connection part 21 is connected to the air intake pipe through a connection female 212 .

As a preferred mode 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 Set in the cyclone bracket 6, the spiral structure 11 of the outer wall of the cyclone 1 abuts against the cyclone bracket 6 to form a sealed spiral air channel 14, and the cyclone bracket 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 bracket cover 7 is arranged above the cyclone bracket 6 .

Specifically, the lower part of the cyclone bracket 6 is embedded in the upper part of the air duct bracket 5, the top of the air duct bracket 5 is fixedly connected with the cyclone bracket 6 by bolts, and the cyclone bracket cover 7 is fixed on the cyclone bracket by bolts. Above the cyclone bracket 6, a cyclone bracket cover sealing ring 71 is also provided between the cyclone bracket 6 and the cyclone bracket cover 7, and the cyclone bracket cover sealing ring 71 is used to seal the cyclone bracket 6 and the gap between the cyclone bracket cover 7, a first cyclone bracket sealing ring 63 is also provided between the cyclone bracket 6 and the top of the air duct bracket 5, and the first cyclone bracket sealing ring 63 is used 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 an accommodating cavity for accommodating the cyclone 1, and the accommodating cavity is at least two, and may be three, Four, five, six, seven, or even more, six in this embodiment, correspondingly provided with six cyclones 1, the spiral structure 11 of the outer wall of the cyclone 1 and the The accommodating cavity of the cyclone bracket 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 bracket 5, the cyclone 1 and the cyclone bracket 6 A first cyclone sealing ring 12 and a second cyclone sealing ring 13 are also arranged between the inner walls of the accommodating cavity, and 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 bracket 6 is also provided with a through hole 61, one end of the through hole 61 communicates with the top of the spiral air duct 14, the upper part of the air duct bracket 5 is trumpet-shaped and is provided with a strip-shaped gap so that all The other end of the through hole 61 communicates with the gap between the air duct support 5 and the filter screen support 4 . The air filtered through the first stage flows out from the gap between the air channel support 5 and the filter screen support 4, then passes through the through hole 61, enters the spiral air channel 14 from the top of the spiral air channel 14, and the powerful centrifugal force of the spiral air channel 14 Under the action, it flows out from the bottom of the spiral air duct 14, and the air carrying fine dirt such as dust will be deposited downward under the action of centrifugal force, and the dust will pass through the hollow structure around the air duct support 5 from the hollow around the air duct head 2. The structure is discharged, while the clean air flows from the bottom of the hollow structure of the cyclone 1 to the top and flows out, so as to realize the complete separation of fine dirt such as dust and air.

As a preferred mode of the embodiment of the present invention, a circular hole 62 is provided at the center of the cyclone support 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 round hole 62, the middle of the air duct threading cover 8 can pass through the power cord, which can supply power to the ground brush head of the vacuum cleaner. There is also a set between the round 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 circular hole 62 .

As shown in Figure 5, when the suction generator of the vacuum cleaner is activated, the ground brush head will suck the air with dirt into the vacuum cleaner, and enter the hollow structure in the center of the air channel head 2 of the cyclone separation device from a, from the air channel The opening 51 of the support 5 flows out, and then the air with the dirt enters the space between the filter screen 41 and the filter screen support 4 at the b place. The air of fine dirt, and then the air enters the top of the spiral air duct 14 from the through hole 61 of the cyclone bracket 6 at c, flows out from the bottom d of the spiral air duct 14, and is subjected to the centrifugal force of the spiral air duct 14, dust, etc. The fine dirt is separated from the air, dust and other fine dirt are deposited, and the dust and other fine dirt flow 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 e, while the clean air Then it is discharged from the top f of the hollow structure of the cyclone 1 to realize the complete separation of air and fine dirt such as dust.

Embodiment 3, as shown in FIG. 13, the embodiment of the present invention provides a hand-held vacuum cleaner, including a suction generator 1A, a housing 2A, a cyclone separation device, a body support 5A, an air intake pipe 3A and a ground brush head 4A. A cyclone separation device is provided in the casing 2A, and the cyclone separation device includes the cyclone separation device described in the second embodiment.

Note that the above are only preferred embodiments and technical principles used in the embodiments of the present invention. Those skilled in the art will understand that the embodiments of the present invention are not limited to the specific embodiments described here, and those skilled in the art can make various obvious changes, readjustments and substitutions 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 detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and may include more other equivalents without departing from the concept of the embodiments of the present invention. embodiment, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A cyclone, characterized in that the outer wall of the cyclone (1) is provided with a helical structure (11).

2. A cyclone as claimed in claim 1, wherein the helical structures (11) form at least two helical air channels (14) therebetween.

3. A cyclone as claimed in claim 2, wherein the spiral duct (14) is provided with six.

4. A cyclone separator as claimed in claim 2 or 3, characterised in that the distance between the helical air ducts (14) is equal.

5. Cyclonic separating apparatus comprising a primary separating assembly and a secondary separating assembly, wherein the secondary separating assembly comprises a cyclone (1) as claimed in any one of claims 1 to 4.

6. The cyclone separation device according to claim 5, wherein the primary separation assembly comprises an air duct head (2), a dust collection box silica gel ring (3), a filter screen (41), a filter screen support (4) and an air duct support (5), the dust collection box silica gel ring (3) is fixedly arranged above the air duct head (2), the air duct support (5) is fixedly arranged above the dust collection box silica gel ring (3), the filter screen support (4) is embedded into the air duct support (5), the top of the filter screen support (4) is fixedly connected with the air duct support (5), the bottom of the filter screen support (4) is abutted against the dust collection box silica gel ring (3), the filter screen (41) is fixed on the filter screen support (4), and the air duct head (2) is communicated with the inside of the air duct support (5), the air duct support (5) and the filter screen support (4) are both provided with openings (51), and the air duct support (5) is communicated with the secondary separation component.

7. Cyclonic separating apparatus as claimed in claim 6, wherein the interior of the airflow passage head (2) is provided with a connecting part (21), the connecting part (21) being adapted to be connected to an inlet duct of a vacuum cleaner.

8. The cyclone separation device according to claim 5, wherein the second-stage separation assembly further comprises a cyclone support (6) and a cyclone support cover (7), the cyclone support (6) is communicated with the first-stage separation assembly, the cyclone (1) is arranged in the cyclone support (6), the spiral structure (11) of the outer wall of the cyclone (1) is abutted with the cyclone support (6) to form a sealed spiral air duct (14), the cyclone support (6) is further provided with a through hole (61), the through hole (61) is respectively communicated with the first-stage separation assembly and the spiral air duct (14), and the cyclone support cover (7) is arranged above the cyclone support (6).

9. Cyclonic separating apparatus as claimed in claim 8, wherein a circular aperture (62) is provided in the centre of the cyclone holder (6), and a duct threading cover (8) is provided below the circular aperture (62).

10. A hand-held cleaner comprising a suction generator (1A), a housing (2A), a cyclonic separating apparatus, a body support (5A), an air inlet duct (3A) and a floor brush head (4A), the cyclonic separating apparatus being disposed within the housing (2A), characterised in that the cyclonic separating apparatus comprises a cyclonic separating apparatus as claimed in any one of claims 5 to 9.