CN107874706A - A kind of multi-stage cyclone cyclone body and dirt cup structure - Google Patents

Abstract

The invention discloses a multi-stage tornado cyclone mechanism, comprising: a dust cup, a primary cyclone tube arranged in the dust cup, and a secondary cyclone turbine assembly provided inside the primary cyclone tube, the primary cyclone tube A primary dust cylinder is formed between the dust cup and the secondary cyclone turbine assembly. A secondary dust cylinder extending from the primary cyclone is provided below the secondary cyclone turbine assembly. The secondary dust cylinder is set to be inclined to the side of the dust cup The mechanism is provided with a secondary dust cylinder cover that can seal the secondary dust cylinder. When the secondary dust cylinder is installed in the dust cup, the secondary dust cylinder cover seals the secondary dust cylinder. When the When the secondary dust cylinder and the dust cup begin to separate, the secondary dust cylinder cover is gradually opened relative to the secondary dust cylinder, so that the dust in the secondary dust cylinder falls into the primary dust cylinder, so that the primary cyclone is located in the secondary dust cylinder. The space under the dust bin is vacant for ash storage. In the limited space, the ash storage space of the first-level dust bin can be increased as much as possible, and it is convenient to pour ash.

Description

A multi-stage tornado cyclone mechanism and dust cup structure

This patent application is a divisional application of the invention patent application with the Chinese national application number 201510736327.X, the application date is: November 3, 2015, and the invention title is "a multi-stage tornado cyclone mechanism and dust cup structure".

technical field

The invention belongs to the technical field of vacuum cleaner production, and in particular relates to a multi-stage tornado cyclone mechanism and a vacuum cleaner with the multi-stage tornado cyclone mechanism.

Background technique

The dust and gas separation mode of the dust collection part of the vacuum cleaner mostly adopts the first-stage centrifugal separation mode or the dust bag filter mode. The filtration efficiency of these two separation modes is low and easy to block. At present, there is also a multi-stage tornado vacuum cleaner dust cup, which adopts a two-stage separated body, generally including two-stage dust and gas separation structures, the first-stage structure is used to filter large-scale dirt in the air, and the second-stage structure is used for separation and collection Small dust particles and other debris.

At present, the first-level cyclone space of the traditional multi-level tornado system is composed of the main body of the dust cup and the first-level cyclone net cover, thus forming the first-level ash storage space and the first-level cyclone space in the same space, and the second-level cyclone system is set in In the main body of the dust cup, the secondary cyclone system is provided with a secondary ash storage space for storing dust. In the prior art, the secondary ash storage space extends to the bottom of the primary ash storage space and is sealed by a seal. This setting reduces the The space of the first-level dust storage space, especially for the hand-held dust cup structure with a small dust cup volume.

Therefore, the industry urgently needs a novel independent multi-stage tornado cyclone structure to expand the primary ash storage space as much as possible.

Contents of the invention

In view of this, the present invention provides a multi-stage tornado cyclone mechanism, including: a dust cup, a primary cyclone tube arranged in the dust cup, and a secondary cyclone turbine assembly provided inside the primary cyclone tube, the A primary dust cylinder is formed between the primary cyclone cylinder and the dust cup, and a secondary dust cylinder extending from the primary cyclone cylinder is provided below the secondary cyclone turbine assembly, and the secondary dust cylinder is set to be inclined to the The side wall of the dust cup, the first-level cyclone tube is provided with a second-level dust tube cover that can seal the second-level dust tube. When the second-level dust tube is installed in the first-level dust tube, the second-level dust tube cover Seal the secondary dust container cover, when the secondary dust container is separated from the dust cup, the secondary dust container cover is separated from the secondary dust container cover, so that the dust in the secondary dust container falls into the primary dust container inside the barrel.

Preferably, the secondary dust cylinder cover is arranged on the end of a rotatable component, and the rotation of the rotatable component drives the secondary dust cylinder cover to close and disengage from the secondary dust cylinder.

Preferably, the secondary cylinder cover is provided with a secondary cylinder cover sealing ring to ensure the sealing of the secondary dust cylinder.

Preferably, the rotatable component is rotatably arranged on the secondary dust cylinder.

Preferably, a pressing protrusion is provided on the inner side of the dust cup, and when the secondary dust container is installed in the dust cup, the pressing protrusion holds the cover of the secondary dust container and is set on the secondary dust container .

Preferably, the pressing protrusion is arranged on the side wall of the dust cup.

Preferably, the secondary cyclone turbine assembly includes a spiral dust-air separation device arranged at the upper end of the secondary cyclone turbine assembly, after the air with dust is separated by the primary cyclone, at least a part of it passes through the Under the guidance of the spiral dust and gas separation device, the inner wall of the secondary cyclone turbine assembly forms an airflow that rotates toward the bottom of the cylinder. The dust in the airflow is driven by centrifugal force to the bottom of the cylinder and is collected in the secondary dust cylinder. The air in the airflow is drawn out by the negative pressure from the air outlet of the spiral two-stage tornado dust-gas separation structure to realize the two-stage dust-gas separation.

Preferably, the primary cyclone is detachably mounted outside the secondary cyclone turbine assembly.

Preferably, the upper part of the primary cyclone tube is connected to the primary cyclone cover, the interior of the primary cyclone cover is made of MIF material, and the outside of the primary cyclone cover wraps the MIF frame rubber assembly.

Preferably, it also includes an air inlet of the fuselage, and the air inlet of the fuselage communicates with the air inlet of the primary cyclone.

Compared with the prior art, the advantages of the multi-stage tornado cyclone mechanism and the vacuum cleaner dust cup structure disclosed by the present invention are:

The first-stage cyclone is designed as an independent cyclone structure, the second-stage cyclone turbine assembly is sleeved in the first-stage cyclone, the second-stage dust container is set to be inclined to the side wall of the dust cup, and the first-stage cyclone There is a secondary dust cylinder cover that can seal the secondary dust cylinder. When the secondary dust cylinder is installed in the primary dust cylinder, the secondary dust cylinder cover seals the secondary dust cylinder cover. When the primary dust container is separated from the dust cup, the secondary dust container cover is separated from the secondary dust container cover, so that the dust in the secondary dust container falls into the primary dust container, so that the primary cyclone is located in the secondary dust container The space below is vacant for ash storage. In the limited space, the ash storage space of the first-level dust bin can be increased as much as possible, and it is convenient to pour ash.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of multistage tornado cyclone mechanism among the present invention

Fig. 2 is the dismantling structure schematic diagram of multistage tornado cyclone mechanism among the present invention

Reference signs and component parts involved in the accompanying drawings:

1. First-level cyclone; 2. First-level cyclone net cover; 3. Second-level cyclone turbine assembly; 4. First-level ash throwing port; 5. First-level cyclone air inlet; 6. Second-level dust cylinder; 7. Spiral 8. Spiral wind impeller; 9. Guide cut surface; 10. First-level cyclone cover; 11. MIF frame rubber package component; 12. Second-level dust tube cover; 13. Second-level dust tube cover sealing ring.

Detailed ways

Aiming at the deficiencies in the prior art, the present invention provides a multi-stage tornado cyclone mechanism, which includes an independent primary cyclone cylinder. The technical solutions of the present invention will be clearly and completely described below through specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Figures 1 to 2 together, a multi-stage tornado cyclone mechanism, including an independent primary cyclone cylinder 1, a primary cyclone net cover 2 located inside the primary cyclone cylinder 1, and a primary cyclone net cover 2 located inside the primary cyclone net. The secondary cyclone turbine assembly 3 inside the cover 2, the primary cyclone space is formed between the primary cyclone tube 1 and the primary cyclone net cover 2, and the primary cyclone tube 1 is detachably installed on the outside of the secondary cyclone turbine assembly 3 1, the side wall of the primary cyclone 1 near the bottom is provided with a first-stage ash throwing port 4, and the top of the primary cyclone 1 side wall is provided with a primary cyclone air inlet 5. A secondary dust cylinder 6 is arranged below the secondary cyclone turbine assembly 3 , and the bottom of the secondary cyclone turbine assembly 3 constitutes the top of the secondary dust cylinder 6 . The multi-stage tornado cyclone mechanism is adopted in the dust cup structure of the vacuum cleaner, and the space on the other side of the multi-stage tornado cyclone mechanism constitutes a first-stage dust cylinder (not shown) of the dust cup structure of the vacuum cleaner. The first-stage cyclone 1 is designed as an independent cyclone structure, and a simple partition is formed between the bottom of the first-stage cyclone 1 and the first-stage cyclone net cover 2. Port 4, due to the direction of the cyclone flow, the dust thrown out from the first-stage dust removal port 4 rotates along the wall of the dust cup to the opposite side of the first-stage dust removal port 4. The isolation makes the dust lose its power and falls to the bottom of the first-level dust bin to keep it relatively still, which effectively prevents the dust from being sucked back by the first-level dust bin and improves the filtration efficiency of the entire dust cup. At the same time, this design is conducive to increasing the rotation speed of dust gas , thereby improving the separation effect. The dust cup structure of the vacuum cleaner is provided with a fuselage air inlet (not shown in the figure), and the fuselage air inlet communicates with the first-stage cyclone air inlet 5 to ensure that the wind enters to separate the first-stage dust and gas.

There is a gap between the secondary cyclone turbine assembly 3 and the inner wall of the primary cyclone net cover 2, the gap is used to form a secondary dust-gas separation air duct after the primary dust-gas separation, the primary cyclone tube 1 and the primary cyclone The net cover 2 implements primary dust-gas separation for the primary dust gas entering the multi-stage tornado cyclone mechanism, and the secondary dust gas after separation enters the secondary cyclone turbine assembly for secondary dust-gas separation. There is a second-stage ash throwing port near the bottom (not shown in the figure). When the air flows, the upper air pressure of the second-stage cyclone turbine assembly is greater than the lower air pressure, and the dust also flows from top to bottom, which prevents the vacuum cleaner from changing its posture. Driven by the centrifugal force, the dust in the secondary dust gas rotates to the bottom of the cylinder, enters the space of the secondary dust cylinder 6 through the secondary dust throwing port, and the air in the rotating airflow is drawn out by negative pressure to realize the second stage. Secondary dust and gas separation.

The secondary cyclone turbine assembly 3 also includes a spiral dust-air separation device 7 arranged on the upper end of the secondary cyclone turbine assembly 3. After the air with dust is separated by the primary cyclone net cover 2, at least a part passes through the secondary cyclone turbine assembly 3. The first-stage dust-gas separation air duct leads to the spiral dust-gas separation device 7, and under the guidance of the spiral dust-gas separation device 7, an airflow rotating toward the bottom of the cylinder is formed on the inner wall of the secondary cyclone turbine assembly 3, and the dust in the airflow Driven by centrifugal force, it spins down to the bottom of the cylinder and is collected in the secondary dust cylinder 6. The air in the rotating airflow is drawn out by the negative pressure from the air outlet of the spiral secondary tornado dust-air separation structure to achieve secondary dust-gas separation. The spiral dust and gas separation device 7 includes a spiral wind impeller 8 for generating a secondary cyclone. The spiral wind impeller 8 is provided with a number of downward-sloping blades, and the blades can restrict the flow direction of the dust gas and swoop downward to form a spiral air flow. The spiral dust-gas separation device 7 also includes an inner ring arranged on the inner ring of the spiral wind impeller 8, and the side wall corresponding to the air outlet of the spiral wind impeller 8 on the inner ring is provided with a number of guiding cut surfaces 9, which restrain the dust. The air flow starts to form a rotating state toward the outer ring of the helical wind impeller.

The upper part of the first-stage cyclone 1 is connected to the first-stage cyclone cover 10 to form a seal with the first-stage cyclone 1. The inside of the first-stage cyclone cover 10 is made of MIF material, and the outside of the first-stage cyclone cover is wrapped with the MIF frame rubber assembly 11, and the MIF material is strong. , corrosion resistance, and long life. On the top of the first-stage cyclone 1, namely at the junction with the first-stage cyclone cover 10, a filter device is set, and the filter device is a filter cotton, and the micro-concentration dust gas is finally filtered again by the filter cotton after the air outlet of the fuselage.

In addition, an openable and closable secondary dust container cover 12 is provided at the bottom of the secondary dust container 6 so that the secondary dust container 6 forms an internal airtight space. Secondary dust cylinder cover 12 and secondary dust cylinder 6 joint surfaces are provided with secondary dust cylinder cover sealing ring 13, improve sealing performance, prevent dust from leaking out. The secondary dust cylinder cover 12 is arranged on the end of a rotatable component, and the rotation of the rotatable component drives the secondary dust cylinder cover 12 to cover or separate from the secondary dust cylinder 6 . A pressing protrusion can be provided in the first-level dust cylinder, and the pressing protrusion can just buckle the rotating assembly when the second-level dust cylinder 6 extends into the first-level dust cylinder and is assembled, so that the second-level dust cylinder cover 12 can be covered. The bottom of the secondary dust cylinder 6, when the secondary dust cylinder 6 is to be taken out, the secondary dust cylinder cover 12 is automatically opened under the action of gravity and pressing protrusions, thereby facilitating the user to perform a one-time ash dumping operation.

The multi-stage tornado cyclone mechanism in the present invention comprises an independent primary cyclone tube 1, a primary cyclone net cover 2 arranged inside the primary cyclone tube 1, and a secondary cyclone turbine located inside the primary cyclone net cover 2. Assembly 3, a primary cyclone space is formed between the primary cyclone 1 and the primary cyclone net cover 2, and the primary cyclone 1 is detachably installed on the outside of the secondary cyclone turbine assembly 3, on the side of the primary cyclone 1 One side of the wall near the bottom is provided with a first-stage ash throwing port 4, and the top of the side wall of the first-stage cyclone 1 is provided with a first-stage cyclone air inlet 5. The first-stage cyclone 1 is designed as an independent cyclone structure, and a simple partition is formed between the bottom of the first-stage cyclone 1 and the first-stage cyclone net cover 2. Port 4, the dust thrown out from the first-stage dust removal port 4 rotates along the wall of the dust cup to the opposite side of the first-stage dust removal port 4. Due to the isolation of the first-stage cyclone space on the opposite side and the first-stage dust cylinder, the dust loses power Thereby falling on the bottom of the first-level dust cylinder 6 remains relatively still, effectively preventing the dust from being sucked back by the first-level dust cylinder, and improving the filtration efficiency of the entire dust cup. In addition, the first-stage cyclone can be easily disassembled and assembled outside the second-stage cyclone turbine assembly, which is convenient for cleaning dust.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. a kind of multi-stage cyclone cyclone body, including：Dirt cup, the one cyclonic cylinder being arranged in dirt cup and located at the one-level Two level whirlwind turbine assembly inside cyclone cylinder, one-level dirt cup, the two level rotation are formed between the one cyclonic cylinder and dirt cup The two level dirt cup for extending one cyclonic cylinder is provided with below wind eddies wheel assembly, it is characterised in that：The two level dirt cup is arranged to inclined The side wall of the oblique dirt cup, the mechanism are provided with the two level dirt cup lid of salable two level dirt cup, dirt cup are installed in two level dirt cup When interior, the two level dirt cup lid seals the two level dirt cup, when the two level dirt cup is initially separated with dirt cup, the two level dirt Cover is gradually opened with respect to two level dirt cup so that the dust in two level dirt cup is fallen into one-level dirt cup.

2. multi-stage cyclone cyclone body as claimed in claim 1, it is characterised in that：The two level dirt cup lid is arranged at one On the end of rotatable component, rotating component rotation drives two level dirt cup lid to cover and depart from two level dirt cup.

3. multi-stage cyclone cyclone body as claimed in claim 1, it is characterised in that：Two level is provided with the two level cover Cover sealing ring is to ensure the sealing of two level dirt cup.

4. multi-stage cyclone cyclone body as claimed in claim 2, it is characterised in that：The rotatable component is rotatable It is arranged in the two level dirt cup.

5. multi-stage cyclone cyclone body as claimed in claim 2, it is characterised in that：The two level dirt cup is divided with dirt cup upwards From the two level dirt cup lid under gravity opens two level dirt cup.

6. multi-stage cyclone cyclone body as claimed in claim 2, it is characterised in that：On the inside of the dirt cup belling is pressed provided with one Rise, when the two level dirt cup is installed in dirt cup, the pressing projection, which supports residence and states two level dirt cup lid, is covered on two level dirt Cylinder.

7. multi-stage cyclone cyclone body as claimed in claim 5, it is characterised in that：The pressing projection is arranged at the dirt In the side wall of cup.

8. multi-stage cyclone cyclone body as claimed in claim 2, it is characterised in that：The two level whirlwind turbine assembly includes The spiral dust and gas separator of two level whirlwind turbine assembly upper end is arranged at, the air with dust is carried out by one cyclonic cylinder After the separation of one-level dust and gas, at least partially by under the guiding of the spiral dust and gas separator, in two level whirlwind turbine Component inwall forms the air-flow rotated to cylinder bottom, the dust in the air-flow under centrifugal force drive under be threaded to a bottom and be collected In two level dirt cup, the air in swirling eddy is extracted out the air outlet of spiral two level cyclone dust and gas isolating construction by negative pressure Place, realize that two level dust and gas separates.

9. multi-stage cyclone cyclone body as claimed in claim 1, it is characterised in that：The one cyclonic cylinder is detachably installed Outside the two level whirlwind turbine assembly.

A kind of 10. vacuum cleaner dust cup structure as claimed in claim 9, it is characterised in that：Also include fuselage air inlet, the machine Body air inlet is connected with one cyclonic cylinder air inlet.