CN112369956A - Cyclone assembly and dust collector - Google Patents

Abstract

The invention relates to a cyclone assembly and a dust collector, comprising: at least two air suction pipes; the air suction pipe is arranged on the fixed frame; at least two cyclones arranged in parallel or in a circumferential arrangement, the cyclones comprising a top and a bottom; the top of the cyclone cylinder is fixed through the cyclone supports respectively, and a cyclone inlet is formed between the cyclone supports and the cyclone cylinder; the air suction pipe extends to the interior of the cyclone cylinder. According to the cyclone dust collector, the cyclone inlets between the cyclones and the cyclone support are spiral, the cyclone dust collector accords with fluid mechanics, under the action of centrifugal force generated by rotating airflow, the separation efficiency of dust and air is high, the good cyclone separation effect can be guaranteed, dust is partitioned through the cyclones, the possibility of large-area dust collection is greatly reduced, the possibility that the dust enters the second filter is greatly reduced, and the possibility that the dust blocks the second filter is reduced.

Description

Cyclone assembly and dust collector

Technical Field

The invention belongs to the technical field of cleaning equipment, and particularly relates to a cyclone assembly and a dust collector.

Background

The dust collector structurally mainly comprises a suction motor, a dust cup, a suction nozzle, a filter and the like, the working principle of the dust collector mainly separates dust from air through the filter to achieve the purpose of dust collection, the filter commonly used at present is sponge or HEPA, and is also designed with cyclone, and a cyclone assembly of the dust collector is an assembly for separating particles such as air, dust and the like through centrifugal force generated by airflow rotating in a cyclone cylinder.

Among the prior art, cyclone structure is more ordinary or mostly the single tube, and whole size is bigger, and this kind of ordinary cyclone structure can not be with the effective subregion of dust, thereby the dust gathers easily and blocks up final stage filter (sponge or HEPA) by a large scale, makes the washing or the change cycle of final stage filter shorten.

In the technical field of cleaning equipment industry, common mini dust collectors such as handheld dust collectors are limited by space, generally do not have a cyclone design, and often only adopt a primary filter (sponge or HEPA) for filtering, so the filter is extremely easy to block, suction is weakened, and then a product loses the function of dust collection, so that the cleaning or replacement period of the filter is greatly shortened, and the use cost of a user is improved.

Disclosure of Invention

The invention aims to provide a mini multi-pipe cyclone assembly and a dust collector, and aims to solve the technical problems that dust cannot be partitioned and a filter is easy to block in the prior art. The technical scheme used for solving the technical problems of the invention is as follows:

a cyclone assembly, comprising:

at least two air suction pipes;

the air suction pipe is arranged on the fixed frame;

at least two cyclones arranged in parallel or in a circumferential arrangement, the cyclones comprising a top and a bottom;

the top of the cyclone cylinder is fixed through the cyclone supports respectively, and a cyclone inlet is formed between the cyclone supports and the cyclone cylinder;

the air suction pipe extends to the interior of the cyclone cylinder.

The further technical scheme of the invention is as follows: the number of the air suction pipes is the same as that of the cyclones, and the number of the cyclones is the same as that of the cyclone inlets.

Furthermore, the number of the cyclones is 6-10, and the number of the air suction pipes is 6-10.

Further, the cyclones surround to form a cyclone cylinder group, and the outer diameter of the cyclone cylinder group is smaller than 70 mm.

The cyclone comprises a cyclone body, and is characterized by further comprising a positioning plate, wherein a plurality of through holes are formed in the positioning plate, and the bottom of the cyclone body is fixed on the positioning plate through the through holes.

Furthermore, the cyclone dust collector also comprises a first filter, wherein the air suction pipe and the cyclone cylinder are arranged in the first filter, and the first filter is provided with a plurality of filter holes.

Further, the filter device also comprises a second filter, and the second filter is arranged on the fixed frame.

Further, the second filter is a sponge filter or HEPA.

The invention further provides a dust collector which comprises a dust cup body and the cyclone assembly, wherein a cavity is formed between the dust cup body and the cyclone assembly, an air inlet is formed in one side of the dust cup body, and the dust cup body is provided with an air suction opening.

Further, one end of the dust cup body is sealed through a dust cup cover.

Compared with the prior art, the invention has the beneficial technical effects that: 1. according to the cyclone separator, the annular structures of the at least two cyclone cylinders and the at least two air suction pipes are adopted, the cyclone inlets between the cyclone cylinders and the cyclone support are spiral, the hydrodynamics is met, the separation efficiency of dust and air is high under the action of centrifugal force generated by rotating airflow, and a good cyclone separation effect can be ensured; 2. the plurality of cyclones partition the dust, so that the opportunity of large-area dust collection is greatly reduced, the opportunity of dust entering the second filter is greatly reduced, and the possibility of dust blocking the second filter is reduced; 3. the dust forms small cyclones in each cyclone cylinder respectively, then the dust can downwards rotate along the conical surfaces of the cyclone cylinders under the blocking action of the flange of the air suction pipe and enters the bottom of the dust cup, and the dust and the air are quickly separated; 4. according to the invention, the first filter is used for blocking dust with larger particle size, the first filter is used for filtering dust with smaller particle size, the dust can automatically clean the inner surface of the dust cup and the filtering system under the action of cyclone, the dust entering the cyclone component cannot cause the blockage of the second filter, the cleaning or replacing period of the second filter is longer, and the usability and convenience of the dust collector are greatly improved.

Drawings

FIG. 1 is an exploded view of a cyclone assembly in accordance with an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a cyclone assembly according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a cyclone assembly in accordance with an embodiment of the present invention;

FIG. 4 is an exploded view of an embodiment of the present invention including a cyclone assembly and first and second filters;

FIG. 5 is a schematic perspective view of a dust cup according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the dirt cup of FIG. 5;

FIG. 7 is a cross-sectional view of a vacuum cleaner in accordance with an embodiment of the present invention;

FIG. 8 is a perspective view of a vacuum cleaner according to an embodiment of the present invention;

wherein: 1. an aspiration channel 2, a fixed mount 3, a cyclone 301, a top 302 and a bottom

4. Cyclone bracket 5, cyclone inlet 6, positioning plate 601, through hole 7 and first filter

701. A filter hole 8, a second filter 9, a dust cup body 10, a cavity 11 and an air inlet

12. Suction opening 13, dust cup cover 14, suction motor 15, suction nozzle 16 and control panel

100. Cyclone assembly 200, vacuum cleaner 300, dirt cup.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-6, a cyclone assembly 100 of the present embodiment includes: at least two air suction pipes 1; the air suction pipe 1 is arranged on the fixed frame 2; at least two cyclones 3, said cyclones 3 are arranged side by side or around, the cyclone 3 includes the top 301 and bottom 302; the top 301 of the cyclone cylinder 3 is fixed through the cyclone supports 4, and a cyclone inlet 5 is arranged between the cyclone supports 4 and the cyclone cylinder 3; the suction pipe 1 extends to the inside of the cyclone 3.

The suction pipe 1 is used for the ascending channel of the dust and air mixed airflow, under the suction action of the suction motor 14, the mixed airflow moves upwards along the direction of the suction pipe 1, the fixing frame 2 is mainly used for fixing and supporting the suction pipe 1, in the embodiment, the suction pipe 1 is installed at the bottom of the fixing frame 2, the suction pipe 1 can be fixed or detachable, the maintenance or replacement of the suction pipe 1 is convenient, the suction pipe 1 is preferably cylindrical, the fixing frame 2 can be cylindrical or in other shapes, and the outer diameter of the fixing frame 2 is larger than the sum of the outer diameters of all the suction pipes 1; the cyclones 3 are used for partitioning dust, and the purpose is to reduce the chance of large-area dust collection, the number of the cyclones 3 can be two, two cyclones 3 are arranged in parallel, or 3 or more cyclones can be arranged, at the moment, a plurality of cyclones 3 can be arranged together in a surrounding manner, the cyclones 3 can be arranged in a surrounding manner, the inner space can be effectively saved, the size of the cyclone assembly 100 is reduced, and the cost is reduced.

The cyclone support 4 is mainly used for fixing the cyclone cylinder 3, the cyclone support 4 and the cyclone cylinder 3 can be detachable or integrally formed, in the embodiment, the cyclone support 4 and the cyclone cylinder 3 are designed to be integrally formed, the cyclone cylinder 3 can be cylindrical or round-table-shaped, preferably round-table-shaped, such as round-table-shaped with wide top and narrow bottom, the diameter of the top 301 of the cyclone cylinder 3 is larger than that of the bottom 302, and when the cross-sectional area of the bottom 302 is smaller than that of the top 301, the dust can be ensured to downwards rotate along the conical surface of the cyclone cylinder 3 and enter the bottom of the dust cup 300, and the dust and air can be rapidly separated; the cyclone inlet 5 is preferably spiral, which accords with fluid mechanics, and under the centrifugal force generated by the rotating airflow, the dust and air separation efficiency is high, and a good cyclone separation effect can be ensured.

The length of the air suction pipe 1 is smaller than that of the cyclone cylinder 3, the top 301 of the cyclone cylinder 3 is hollow, the air suction pipe 1 can extend to the interior of the cyclone cylinder 3 through the hollow top 301, one end, close to the cyclone cylinder 3, of the air suction pipe 1 can be called as a flange of the air suction pipe 1, dust forms small cyclones in the cyclone cylinders 3 respectively, and then rotates downwards along the conical surface of the cyclone cylinder 3 under the blocking effect of the flange, and the separation efficiency of the dust and air is further improved.

The number of the air suction pipes 1 is the same as that of the cyclones 3, and the number of the cyclones 3 is the same as that of the cyclone inlets 5, so as to ensure that the air suction pipes 1, the cyclones 3 and the cyclone inlets 5 are in one-to-one correspondence.

In the invention, a plurality of cyclones 3 are encircled to form a cyclone cylinder group, the outer diameter of the cyclone cylinder group is less than 70mm, which may be called mini multi-cyclone, in order to ensure the dust separation efficiency of the mini multi-cyclone, the number of cyclones 3 is preferably 6-10, and correspondingly, the number of suction pipes 1 is also 6-10, in one embodiment, the number of the cyclones 3 is 6, the number of the air suction pipes 1 is 6, the outer diameter of the cyclone group is 65mm, the more the cyclones 3 are, the more the dust partitions are, the better the dust separation effect is, however, in order to be suitable for the technical field of mini multi-cyclone, the number of cyclones 3 should not be too large, and in the embodiment, the number of the cyclones 3 is preferably not more than 10 under the condition of meeting the requirement of being suitable for the technical field of mini multi-tube cyclones and achieving better separation effect.

In an embodiment, the cyclone assembly 100 further includes a positioning plate 6, the positioning plate 6 has a plurality of through holes 601, the bottom 302 of the cyclone 3 is fixed on the positioning plate 6 through the through holes 601, and the positioning plate 6 is mainly used for fixing and supporting the bottom 302 of the cyclone 3.

The cyclone assembly 100 preferably further comprises a first filter 7, the suction pipe 1 and the cyclone cylinder 3 are installed in the first filter 7, a plurality of filtering holes 701 are formed in the first filter 7, the first filter 7 can also be called a primary filter, the primary filter mainly functions to block dust particles with larger particle sizes through the filtering holes 701 and allow dust with smaller particle sizes to pass through, a dust cyclone space is formed between the first filter 7 and the cyclone assembly 100, and the dust cyclone space is outside the first filter 7.

The cyclone assembly 100 preferably further comprises a second filter 8, the second filter 8 is mounted on the fixing frame 2, in particular, the second filter 8 is fixed in the top space of the fixing frame 2, the second filter 8 can also be called a final filter, the final filter is a second dust filtering barrier of the dust collector, the separation of dust and air can be realized in the dust cup 300, and the dust can be prevented from overflowing out of the dust cup 300 through the second filter 8.

In this embodiment, the second filter 8 is preferably a sponge filter or HEPA, and the filtering effect can be well ensured.

In another embodiment of the present invention, a vacuum cleaner 200 is provided, which includes a dust cup body 9 and the aforementioned cyclone assembly 100, a cavity 10 is formed between the dust cup body 9 and the cyclone assembly 100, the cavity 10 is a dust cyclone space, an air inlet 11 is disposed at one side of the dust cup body 9, the air inlet 11 is communicated with a suction nozzle 45 of the vacuum cleaner, the dust cup body 9 has an air suction opening 12, and the air suction opening 12 is located at the top of the dust cup body 9.

In order to ensure the stability of the dust cup body 9 and prevent dust from overflowing, one end of the dust cup body 9 is preferably provided with a dust cup cover 13, the dust cup 300 is sealed by the dust cup cover 13, and the dust cup cover 13 is preferably detachable, so that dust and garbage in the dust cup 300 can be conveniently recovered.

The working principle of the invention is as follows: after the dust collector 200 is started, under the action of the suction force of the suction motor 14, the suction nozzle 15 sucks external dust, garbage and the like, and the dust, the garbage and the like are sent into the dust cup 300 through the air inlet 11, at the moment, the dust, the garbage and the like with larger particle sizes are blocked by the first filter 7, and sink to the bottom of the dust cup 300 under the action of cyclone, and meanwhile, the automatic cleaning of the filter system and the dust cup 300 is realized in a dust cyclone space; the other part of the dust with smaller particle size enters the dust cyclone space of the cyclone assembly 100 through the first filter 7, and is divided into a plurality of cyclone areas under the action of the plurality of cyclones 3, the dust rises along the direction of the air suction opening 12 under the action of suction force, after small cyclones are respectively formed in each cyclone 3, the dust rotates downwards along the conical surface of the cyclone 3 under the action of blocking of the flange, the separation efficiency of the dust and air is further improved, and the second filter 8 is prevented from being blocked.

According to the cyclone separator, the annular structures of the at least two cyclone cylinders and the at least two air suction pipes are adopted, the cyclone inlets between the cyclone cylinders and the cyclone support are spiral, the hydrodynamics is met, the separation efficiency of dust and air is high under the action of centrifugal force generated by rotating airflow, and a good cyclone separation effect can be ensured; the plurality of cyclones partition the dust, so that the opportunity of large-area dust collection is greatly reduced, the opportunity of dust entering the second filter is greatly reduced, and the possibility of dust blocking the second filter is reduced; the dust forms small cyclones in each cyclone cylinder respectively, then the dust can downwards rotate along the conical surfaces of the cyclone cylinders under the blocking action of the flange of the air suction pipe and enters the bottom of the dust cup, and the dust and the air are quickly separated; according to the invention, the first filter is used for blocking dust with larger particle size, the first filter is used for filtering dust with smaller particle size, the dust can automatically clean the inner surface of the dust cup and the filtering system under the action of cyclone, the dust entering the cyclone component cannot cause the blockage of the second filter, the cleaning or replacing period of the second filter is longer, the usability and convenience of the dust collector are greatly improved, and the dust collector is especially suitable for the technical field of mini dust collectors.

The above examples merely represent several embodiments of the present invention, which are described in more detail and in more detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A cyclone assembly, comprising:

at least two air suction pipes (1);

the air suction pipe (1) is arranged on the fixed frame (2);

at least two cyclones (3), said cyclones (3) being arranged in parallel or circumferentially, said cyclones (3) comprising a top (301) and a bottom (302);

the top (301) of the cyclone cylinder (3) is fixed through the cyclone support (4), and a cyclone inlet (5) is arranged between the cyclone support (4) and the cyclone cylinder (3);

the air suction pipe (1) extends to the interior of the cyclone cylinder (3).

2. A cyclone assembly according to claim 1, wherein the number of suction ducts (1) is the same as the number of cyclones (3), and the number of cyclones (3) is the same as the number of cyclone inlets (5).

3. A cyclone assembly according to claim 1 or 2, characterized in that the number of cyclones (3) is 6-10 and the number of suction ducts (1) is 6-10.

4. A cyclone assembly according to claim 1, wherein the cyclones (3) are arranged to form a cyclone cylinder set having an outer diameter of less than 70 mm.

5. A cyclone assembly according to claim 1, further comprising a positioning plate (6), wherein the positioning plate (6) has a plurality of through holes (601), and the bottom (302) of the cyclone (3) is fixed on the positioning plate (6) through the through holes (601).

6. A cyclone assembly according to claim 1, further comprising a first filter (7), wherein the suction pipe (1) and the cyclone (3) are installed in the first filter (7), and the first filter (7) is provided with a plurality of filtering holes (701).

7. A cyclone assembly according to claim 1, further comprising a second filter (8), said second filter (8) being mounted on the stationary frame (2).

8. A cyclone assembly according to claim 7, characterized in that the second filter (8) is a sponge filter or HEPA.

9. A vacuum cleaner, characterized by comprising a dust cup body (9) and a cyclone assembly as claimed in any one of claims 1-8, wherein a cavity (10) is formed between the dust cup body (9) and the cyclone assembly, an air inlet (11) is arranged at one side of the dust cup body (9), and the dust cup body (9) is provided with an air suction opening (12).

10. A vacuum cleaner according to claim 9, characterized in that the end of the cup body (9) is sealed by a cup lid (13).

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