CN213494344U

CN213494344U - Multi-stage cyclone separator and cleaning device

Info

Publication number: CN213494344U
Application number: CN202022089972.6U
Authority: CN
Inventors: 李鹏程; 吴佳俊
Original assignee: Wuxi Qingyi Intelligent Technology Co ltd
Current assignee: Wuxi Qingyi Intelligent Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-22
Anticipated expiration: 2030-09-22
Also published as: WO2022062273A1

Abstract

The utility model relates to a dust absorption technical field especially relates to a multistage cyclone and cleaning device, and this multistage cyclone includes casing, multistage whirlwind integration piece and tuber pipe. Wherein, multistage whirlwind integration piece includes first panel, one-level helical portion and second grade helical portion, and the one-level helical portion encloses the periphery of establishing at first panel in order to form the holding chamber, and the second grade helical portion sets up at the holding intracavity, and one-level helical portion and second grade helical portion all with first panel integrated into one piece. The multistage cyclone integration piece is arranged in the shell, an air inlet is formed in the shell, air flow entering the shell from the air inlet forms first-stage cyclone under the guide of the first-stage spiral part. The wind cone pipe is arranged in the shell and sleeved outside the second-stage spiral part, a flow guide cavity is arranged inside the wind cone pipe in a penetrating mode, and airflow in the flow guide cavity forms second-stage cyclone under the guide of the second-stage spiral part. The multistage cyclone separator can form ordered two-stage cyclone, and can ensure higher dust-gas separation efficiency.

Description

Multi-stage cyclone separator and cleaning device

Technical Field

The utility model relates to a dust absorption technical field especially relates to a multistage cyclone and cleaning device.

Background

With the continuous improvement of the living standard of people, the dust collector becomes a necessary electric appliance in daily life. When the dust collector works, the fan of the dust collector runs at a high speed to enable negative pressure to be formed inside the dust collector, impurities such as dust and dirt are sucked in along with air and are retained in the dust collecting container, and the air is purified and then discharged. The existing cyclone dust collector can realize the separation of gas and dust impurities by a cyclone separation technology, wherein a multi-stage cyclone separator is one with better separation effect. The multistage cyclone separates large-particle impurities through primary filtration, and the airflow enters the multi-cone structure to separate out small-particle impurities. However, the existing cyclonic vacuum cleaners have a general dust-air separation efficiency, and the discharged airflow with particulate impurities often causes secondary pollution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage cyclone can improve dirt gas separation efficiency, and the clear gas of discharge reaches good dust removal effect.

To achieve the purpose, the utility model adopts the following technical proposal:

a multi-stage cyclone separator comprising:

the multi-stage cyclone integration piece comprises a first panel, a first-stage spiral part and a second-stage spiral part, the first-stage spiral part is arranged around the periphery of the first panel to form an accommodating cavity, the second-stage spiral part is arranged in the accommodating cavity, and the first-stage spiral part and the second-stage spiral part are integrally formed with the first panel;

the multistage cyclone integration piece is arranged in the shell, an air inlet is formed in the shell, airflow entering the shell from the air inlet forms primary cyclone under the guidance of the primary spiral part;

the wind cone pipe is arranged in the shell, the wind cone pipe is sleeved outside the second-stage spiral part, a flow guide cavity is arranged inside the wind cone pipe in a penetrating mode, and airflow in the flow guide cavity forms second-stage cyclone under the guiding of the second-stage spiral part.

Optionally, a first air inlet is formed in the wind cone, and a first guide structure is arranged at the position of the first air inlet, so that air flow enters the flow guide cavity along the tangential direction of the wind cone.

Optionally, a second air inlet is formed in the wind cone, a second guiding structure is arranged at the second air inlet, so that the air flow enters the flow guide cavity along a tangential direction of the wind cone, a guiding direction of the secondary spiral portion to the air flow is a downstream direction, and the second air inlet is located in the downstream direction of the first air inlet.

Optionally, the first air inlet and the second-stage spiral part are matched to form a first air inlet area, the second air inlet and the second-stage spiral part are matched to form a second air inlet area, and the second air inlet area is smaller than the first air inlet area.

Optionally, still including connect in the filth storage device of wind cone pipe below, the inside of filth storage device is provided with accomodates the chamber, accomodate the chamber with water conservancy diversion chamber intercommunication.

Optionally, the method further comprises:

the exhaust cover comprises a second panel and an inner pipe, the inner pipe is vertically arranged relative to the second panel and is integrally formed with the second panel, and the inner pipe can be inserted into the secondary spiral part;

a second filter device for filtering the gas stream flowing from the inner tube.

Optionally, the multi-stage cyclone integration part further comprises a flow guide part, and the airflow entering from the air inlet is guided by the flow guide part to flow to the primary spiral part.

Optionally, a first filter device is disposed between the primary and secondary helix.

Optionally, the second-stage spiral part and the wind cone pipe are provided with a plurality of wind cone pipes, and the wind cone pipe corresponds to the second-stage spiral part and is formed in a plurality of wind cone pipe integrated into one piece.

Another object of the utility model is to provide a cleaning device can improve dirt gas separation efficiency, and the clear gas of discharge reaches good dust removal effect.

a cleaning device comprises the multi-stage cyclone separator.

The utility model has the advantages that:

the utility model provides a multistage cyclone separator, including casing, multistage whirlwind integration piece and tuber pipe. Wherein, multistage whirlwind integration piece includes first panel, one-level helical portion and second grade helical portion, and the one-level helical portion encloses the periphery of establishing at first panel in order to form the holding chamber, and the second grade helical portion sets up at the holding intracavity, and one-level helical portion and second grade helical portion all with first panel integrated into one piece. The multistage cyclone integration piece is arranged in the shell, an air inlet is formed in the shell, air flow entering the shell from the air inlet forms first-stage cyclone under the guide of the first-stage spiral part. The wind cone pipe is arranged in the shell and sleeved outside the second-stage spiral part, a flow guide cavity is arranged inside the wind cone pipe in a penetrating mode, and airflow in the flow guide cavity forms second-stage cyclone under the guide of the second-stage spiral part. The multistage cyclone separator can form ordered two-stage cyclone, and can ensure higher dust-gas separation efficiency.

The utility model provides a cleaning device, including foretell multistage cyclone, can improve dirt gas separation efficiency, the clear gas of discharge reaches good dust removal effect.

Drawings

Fig. 1 is an exploded view of a multi-stage cyclone separator provided by an embodiment of the present invention;

fig. 2 is a schematic view of a multi-cyclone assembly of a multi-cyclone separator according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another perspective of a multi-cyclone assembly of a multi-cyclone separator provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a wind cone of a multi-stage cyclone separator provided by the embodiment of the invention;

fig. 5 is a schematic structural diagram of a viewing angle of a wind cone of a multi-stage cyclone separator according to an embodiment of the present invention;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a schematic structural diagram of another view angle of a wind cone of a multi-stage cyclone separator provided by the embodiment of the invention;

FIG. 8 is a top view of FIG. 7;

fig. 9 is a schematic structural view of a discharge cover of a multi-stage cyclone separator according to an embodiment of the present invention;

fig. 10 is a schematic view of a partial structure of a multi-stage cyclone separator provided by an embodiment of the present invention.

In the figure:

1. a housing; 2. a first filtering device; 3. a dirt collection member; 4. a dirt collecting member upper cover;

5. a wind cone; 51. a wind cone pipe; 511. a tuyere; 5111. a first air inlet; 5112. a second air inlet;

6. a multi-stage cyclone integration member; 61. a flow guide part; 611. a planar flow guide part; 612. a curved surface flow guide part; 62. A primary screw portion; 621. a first spiral wall surface; 63. a secondary helix portion; 631. a second spiral wall surface; 64. A first panel;

7. a venting cover; 71. an inner tube; 72. installing a guide part;

8. a second filter device.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, the present embodiment provides a multi-cyclone separator including a case 1, a first filtering device 2, a dirt receiving device, a funnel 5, a multi-cyclone integration 6, a discharge cover 7, and a second filtering device 8. Wherein, casing 1 is connected with exhaust cover 7, forms a cavity jointly, and first filter equipment 2, filth storage device, fan cone 5 and multistage whirlwind integration piece 6 all set up in the cavity, and multistage whirlwind integration piece 6, fan cone 5 and filth storage device set gradually from top to bottom. The first filtering device 2 is a cylindrical filter screen, is arranged in the multistage cyclone integration part 6 and is used for filtering large particles of the air flow for the first time, and the second filtering device 8 is arranged at the downstream end of the exhaust cover 7 and is used for filtering the air flow for the last time.

The income wind gap has been seted up on casing 1, the air current is under the effect of negative pressure, get into in the cavity by the income wind gap of casing 1, form one-level whirlwind in the multistage whirlwind integration piece 6 again, and through first filter equipment 2, realize the filtration of big particulate matter, then form second grade whirlwind in the wimble 5, the air current after the two-stage whirlwind purification upwards flows and arrives second filter equipment 8 through lid 7 of airing exhaust again, carry out filtration at last, the clean gas who finally obtains discharges multistage cyclone, the filth of one-level whirlwind separation falls into casing 1 in, the filth of second grade whirlwind separation falls into among the filth storage device and accomodates, so that unified processing.

In order to form two-stage cyclone in the multi-stage cyclone separator, the specific structure of the multi-stage cyclone integration part 6 and the wind cone 5 is as follows:

as shown in fig. 2 to 3, in the present embodiment, the multi-stage cyclone integration 6 includes a first panel 64, a deflector 61, a primary spiral part 62, and a secondary spiral part 63. The flow guide part 61 and the primary spiral part 62 are protruded along the circumferential direction of the first panel 64, and form a receiving cavity. The first panel 64 is provided with a first hole, and the secondary spiral part 63 is arranged in the accommodating cavity and communicated with the first hole. Optionally, the first aperture is a circular aperture.

Specifically, the flow guiding part 61 includes a planar flow guiding part 611 and a curved flow guiding part 612 connected to each other, the curved flow guiding part 612 has a vertically arranged curved plate-like structure, the planar flow guiding part 611 has a horizontally arranged arc plate-like structure, one end of the curved flow guiding part 612 is vertically and fixedly connected to the first panel 64, and the other end of the curved flow guiding part 612 is connected to the planar flow guiding part 611. The planar guide portion 611 and the curved guide portion 612 form a guide cavity, and the air flow enters the guide cavity and then flows along the circumferential direction under the guidance of the upper end surface of the planar guide portion 611 and the outer wall surface of the curved guide portion 612, so as to reach the primary spiral portion 62.

It should be noted that, in other embodiments, the flow guide portion 61 may be disposed on the casing 1, and may also achieve the effect of guiding the airflow to flow in the circumferential direction and reach the primary spiral portion 62.

The first-stage spiral part 62 is disposed downstream of the flow guide part 61 and is integrally in a spiral sliding ladder shape, the first-stage spiral part 62 includes a first inner wall surface and a first outer wall surface which are in a spiral shape, the first inner wall surface and the first outer wall surface are arranged in a downward protruding manner along the circumferential direction of the first panel 64, and the height of the first inner wall surface and the height of the first outer wall surface are gradually increased. The primary spiral portion 62 further includes a first spiral wall surface 621, and the first spiral wall surface 621 is a spiral land connecting the first inner wall surface and the first outer wall surface. The air flow flowing out of the guide chamber can spirally flow downward along the first spiral wall surface 621 of the primary spiral part 62 to form a primary cyclone. Under the negative pressure, the airflow can form ordered primary cyclone under the guide of the flow guide part 61 and the primary spiral part 62, and partial dirt can be separated from the airflow through the primary cyclone, so that a certain dust-air separation effect is achieved.

In this embodiment, the first filtering device 2 is disposed between the first-stage spiral part 62 and the second-stage spiral part 63, the first filtering device 2 facilitates the ordered flow of the first-stage cyclone, and the effect of filtering large particles can be realized.

The secondary spiral portion 63 includes a second spiral wall surface 631, and a second inner wall surface and a second outer wall surface protruding downward in the circumferential direction of the first hole, wherein the height of the second inner wall surface and the second outer wall surface gradually increases, and the second spiral wall surface 631 is a spiral step surface connecting the second inner wall surface and the second outer wall surface. Alternatively, the number of the secondary screw 63 may be set to be plural as required to further improve the separation efficiency, and correspondingly, the number of the first holes provided on the first panel 64 is also plural. In this embodiment, nine first holes are disposed on the first panel 64, one is disposed in the middle, eight first holes are uniformly distributed around the circumference of the first hole in the middle, wherein the eight first holes uniformly distributed in the circumference are provided with the secondary spiral part 63, and the secondary spiral part 63 is not disposed at the first hole in the middle. Of course, in other embodiments, one or more first holes may be provided, wherein part or all of the first holes are correspondingly provided with the secondary spiral part 63.

As shown in fig. 4-8, the wind cone 5 includes a wind cone pipe 51, the wind cone pipe 51 is a cylindrical structure, a flow guiding cavity is penetratingly disposed inside the wind cone pipe 51 along an axial direction thereof, the secondary spiral portion 63 is correspondingly inserted into the wind cone pipe 51, and an air flow entering the flow guiding cavity can flow along an inner wall surface of the wind cone pipe 51 and a second spiral wall surface 631 of the secondary spiral portion 63 to form a secondary cyclone that spirals downward. The secondary cyclone formed under the guide of the secondary spiral part 63 has orderly wind direction, and dirt can be further separated from the airflow, so that better dust-air separation efficiency is achieved.

In this embodiment, the wind cone 51 is provided with nine, one of them sets up in the middle, eight in addition around a circumference equipartition in the middle, and the space in casing 1 can be fully utilized in the setting like this, makes the air current fully form the second grade whirlwind, improves dirt gas separation efficiency. Of course, in other embodiments, one or more wind cone pipes 51 may be provided, for example, one wind cone pipe 51 may be provided at the center and seven wind cone pipes may be provided uniformly along the circumferential direction, and the effect of making full use of the space in the casing 1 to make the airflow form the secondary cyclone is also achieved. Correspondingly, in the present embodiment, the positions of the wind cone pipes 51 and the first holes on the first panel 64 are in one-to-one correspondence, and a secondary spiral portion 63 is respectively inserted into eight wind cone pipes 51 which are uniformly distributed in the circumferential direction.

The multi-stage cyclone integration part 6 in the embodiment integrates the multi-stage cyclone generation structure on one part, reduces the number of parts, optimizes the manufacturing process, and saves the die sinking cost and the assembling time. In addition, in the embodiment, the second-stage spiral part 63 is arranged on the multi-stage cyclone integration part 6 and is not arranged in the diversion cavity of the wind cone pipe 51, and compared with the prior art, the manufacturing difficulty of the second-stage spiral part 63 protruding on the multi-stage cyclone integration part 6 is lower than the manufacturing difficulty of the second-stage spiral part 63 arranged in the diversion cavity of the wind cone pipe 51, so that the whole part manufacturing process is simplified.

In order to realize the air intake of the air cone 51, the air outlet 511 is provided on the air cone 51 of the embodiment, and the air outlet 511 comprises a first air inlet 5111. Optionally, a first guide structure is disposed at the first air inlet 5111, the first guide structure includes a first guide plate disposed in a direction tangential to the air cone 51 and a second guide plate disposed transversely, one side edge of the first guide plate is connected to an edge of the first air inlet 5111, a lower edge of the first guide plate is connected to the second guide plate, and a lower edge of the first air inlet 5111 is connected to the second guide plate. The first guide structure is arranged to enable the airflow to enter the first air inlet 5111 along the tangential direction of the air cone 51, which is beneficial to the airflow entering the air cone 51 to form a cyclone.

In order to increase the intake air amount of the air cone 51 and reduce the air loss, when the direction of guiding the air flow by the secondary spiral portion 63 is the downstream direction, the air cone 51 is further provided with a second air inlet 5112 in the downstream direction of the first air inlet 5111. Optionally, a second guide structure is disposed at the second air inlet 5112, the second guide structure includes a third guide plate disposed in a direction tangential to the air cone 51 and a fourth guide plate disposed transversely, one side edge of the third guide plate is connected to an edge of the second air inlet 5112, a lower edge of the third guide plate is connected to the fourth guide plate, and a lower edge of the second air inlet 5112 is connected to the fourth guide plate. The second guide structure is arranged to enable the airflow to enter the second air inlet 5112 along the tangential direction of the air cone 51, which is beneficial to the airflow entering the air cone 51 to form cyclone.

In this embodiment, the air inlet 511 provided on the air cone 51 includes a first air inlet 5111 and a second air inlet 5112, but in other embodiments, a plurality of second air inlets 5112 may also be provided.

As shown in fig. 5 to 8, the secondary spiral portion 63 shields the air inlet 511 to a certain extent, shields the first air inlet 5111 to a small extent, and shields the second air inlet 5112 to a large extent, so that the areas of the air inlet sections of the first air inlet 5111 and the second air inlet 5112 are different, the area of the air inlet section of the second air inlet 5112 is small, and the wind speed of the compensation wind entering from the second air inlet 5112 is large, thereby ensuring high dust-gas separation efficiency, reducing wind loss, and achieving balance of reducing wind loss and improving dust-gas separation efficiency.

The air flowing upward from the funnel 5 reaches the discharge cover 7, as shown in fig. 9-10, the discharge cover 7 of this embodiment includes a second panel having second holes corresponding to the first holes in number and position, and an inner pipe 71 protruding downward along the circumferential direction of the second holes, into which the inner pipe 71 can be inserted. The setting of inner tube 71 is convenient for correspond the second hole of exhaust cover 7 and the first hole of multistage whirlwind integration piece 6, and in addition, inner tube 71 still does benefit to the orderly derivation of air current, and mutual noninterference also can improve dirt gas separation efficiency from this.

In order to assemble the funnel 5, the multi-stage cyclone integration member 6 and the exhaust cover 7 together and fix the relative positions of the funnel 5, the multi-stage cyclone integration member 6 and the exhaust cover 7, in this embodiment, an installation guide part 72 is further disposed in a gap between a plurality of second holes on the second panel of the exhaust cover 7, a circular hole is disposed at a corresponding position of the first panel 64 of the multi-stage cyclone integration member 6, and a cylindrical groove is disposed between the funnel pipes 51 of the funnel 5. The installation guide part 72 is a cylinder protruding downwards and can pass through a round hole on the first panel 64 of the multistage cyclone integration part 6 and be inserted into a cylindrical groove between the wind cone pipes 51 on the wind cone 5, so that the relative positions of the wind cone 5, the multistage cyclone integration part 6 and the exhaust cover 7 are fixed.

Can produce filth such as heavier dust among the air flow separation process, in order to accomodate filth such as the dust of following the separation of wind cone 5, filth storage device connects in the below of wind cone 5, in this embodiment, filth storage device includes that filth collection piece 3 and filth collection piece upper cover 4, wherein, filth collection piece upper cover 4 is located the below of wind cone 5, and can dismantle with wind cone 5 and be connected, filth collection piece 3 is located the below of filth collection piece upper cover 4, the piece is collected to filth 3 and is connected through buckle structure can dismantle with filth collection piece upper cover 4. The dirt collecting part 3 is provided with an accommodating cavity, a dirt guiding through hole is formed in the dirt collecting part upper cover 4, one end of the dirt guiding through hole is communicated with the flow guide cavity of the air cone pipe 51, the other end of the dirt collecting part 3 is communicated with the accommodating cavity of the dirt collecting part, and the number and the position of the dirt guiding through hole correspond to the air cone pipe 51.

The cleaning device provided by the embodiment comprises the multistage cyclone separator, the dust-gas separation efficiency can be improved, clean gas is discharged, and a good dust removal effect is achieved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A multi-stage cyclone separator, comprising:

the multi-stage cyclone integration part (6) comprises a first panel (64), a first-stage spiral part (62) and a second-stage spiral part (63), wherein the first-stage spiral part (62) is arranged around the periphery of the first panel (64) to form an accommodating cavity, the second-stage spiral part (63) is arranged in the accommodating cavity, and the first-stage spiral part (62) and the second-stage spiral part (63) are integrally formed with the first panel (64);

the multistage cyclone integration part (6) is arranged in the shell (1), an air inlet is formed in the shell (1), airflow entering the shell (1) from the air inlet forms primary cyclone under the guidance of the primary spiral part (62);

the wind cone pipe (51), wind cone pipe (51) are arranged in casing (1), and the cover is located the outside of second grade spiral portion (63), the inside of wind cone pipe (51) is run through and is provided with the water conservancy diversion chamber, the air current in the water conservancy diversion intracavity is in form the second grade whirlwind under the guide of second grade spiral portion (63).

2. The multi-stage cyclone separator as claimed in claim 1, wherein the wind cone (51) is provided with a first wind inlet (5111), and a first guiding structure is arranged at the first wind inlet (5111) to enable the airflow to enter the flow guiding cavity along a tangential direction of the wind cone (51).

3. The multi-stage cyclone separator as claimed in claim 2, wherein the wind cone (51) is provided with a second wind inlet (5112), a second guiding structure is arranged at the second wind inlet (5112) to enable the airflow to enter the flow guiding cavity along a tangential direction of the wind cone (51), the guiding direction of the secondary spiral part (63) to the airflow is a downstream direction, and the second wind inlet (5112) is located in the downstream direction of the first wind inlet (5111).

4. The multi-stage cyclone separator as claimed in claim 3, wherein the first air inlet (5111) and the secondary spiral part (63) are matched to form a first air inlet area, and the second air inlet (5112) and the secondary spiral part (63) are matched to form a second air inlet area, and the second air inlet area is smaller than the first air inlet area.

5. The multi-stage cyclone separator as claimed in claim 1, further comprising a dirt collecting device connected below the wind cone (51), wherein a collecting cavity is arranged inside the dirt collecting device, and the collecting cavity is communicated with the diversion cavity.

6. The multi-stage cyclone separator of claim 1, further comprising:

a venting cover (7), the venting cover (7) comprising a second panel and an inner tube (71), the inner tube (71) being disposed perpendicularly with respect to the second panel and being integrally formed therewith, the inner tube (71) being insertable into the interior of the secondary helix (63);

a second filtering device (8), said second filtering device (8) being intended to filter the gas flow coming out of said inner tube (71).

7. The multi-stage cyclone separator according to claim 1, wherein the multi-stage cyclone integration unit (6) further comprises a guide portion (61) through which the airflow entering from the air inlet is guided to the primary spiral portion (62).

8. The multi-stage cyclone separator according to claim 1, characterized in that a first filter means (2) is arranged between the primary spiral (62) and the secondary spiral (63).

9. The multi-stage cyclone separator as claimed in claim 1, wherein the secondary spiral part (63) and the wind cone (51) are provided in plurality, and the wind cone (51) is provided corresponding to the secondary spiral part (63), and the plurality of wind cones (51) are integrally formed.

10. A cleaning apparatus comprising a multi-stage cyclonic separator as claimed in any one of claims 1 to 9.