CN112401742A

CN112401742A - Dust collector with multi-stage cyclone separation structure

Info

Publication number: CN112401742A
Application number: CN202011342735.4A
Authority: CN
Inventors: 章仁法; 罗航
Original assignee: Ningbo Pujing Technology Co ltd
Current assignee: Ningbo Pujing Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-02-26

Abstract

The invention discloses a dust collector with a multi-stage cyclone separation structure, which comprises a dust barrel, wherein the dust barrel is provided with an air inlet and an air outlet, airflow with garbage enters the dust barrel from the air inlet, the dust barrel comprises a first-stage dust cavity and a second-stage dust cavity which are mutually independent, the multi-stage cyclone separation structure is arranged in the dust barrel, the multi-stage cyclone separation structure comprises a cyclone, a plurality of pores are arranged on the cyclone, an inner flow passage is formed in the cyclone, the inner flow passage is communicated with the first-stage dust cavity through the pores, the airflow with the garbage can pass through the cyclone and rotate at a high speed under the action of the cyclone to form cyclone, the garbage is separated from the airflow under the action of centrifugal force and falls into the first-stage dust cavity, the airflow with a small amount of fine dust enters the inner flow passage through the pores on the cyclone, and a guide plate is arranged in the inner flow passage, the air outlet is provided with filter cotton, and the airflow clamping micro dust flows out of the filter cotton to enter the motor after being filtered by the filter cotton.

Description

Dust collector with multi-stage cyclone separation structure

Technical Field

The invention mainly relates to the technical field of dust collectors, in particular to a dust collector with a multi-stage cyclone separation structure.

Background

Many vacuum cleaners currently employ a multi-cyclone separation system comprising a single first and a single or a plurality of second cyclone units into which the second cyclone is inserted, the incoming air passing successively through the first and second cyclone units so that larger debris and a portion of dust are separated from the air in the first cyclone unit, the debris separated by the first cyclone unit being in a lower chamber of the first cyclone unit and the debris separated by the second cyclone unit being in a lower chamber of the second cyclone unit, i.e. the interior of the first chamber. The air flow with part of the dust then enters a second cyclone separation, part of the dust is separated from the air again in the separation unit, and finally the air flow with a small amount of dust is filtered by filter cotton and discharged to the air.

However, the existing structure only has the first-stage cyclone separation with HEPA or the first-stage separation with single-stage separation, the separation effect is general, and the cleaning of dirt such as hair, fine ash and the like is not thorough.

Disclosure of Invention

In view of the shortcomings of the technical solutions described in the background art, the present invention aims to provide a vacuum cleaner with a multi-stage cyclone separation structure.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a dust catcher with multistage whirlwind separation structure, includes the dirt bucket, the dirt bucket has air intake and air outlet, and the air current that has rubbish enters into the dirt bucket from the air intake in, the dirt bucket includes mutually independent one-level dirt chamber and second grade dirt chamber be provided with multistage whirlwind separation structure in the dirt bucket, multistage whirlwind separation structure includes the cyclone, a plurality of pores have been seted up on the cyclone be formed with the inner runner in the cyclone, the inner runner passes through pore and one-level dirt chamber intercommunication, the air current that has rubbish can pass through the cyclone forms whirlwind and high-speed rotary motion under the effect of cyclone, and rubbish falls into one-level dirt chamber with the air current separation under the centrifugal force effect, has the air current of a small amount of fine dust, enters into through the pore on the cyclone the inner runner be provided with the guide plate in the inner runner be formed with a plurality of polycones on the guide plate, many centrums have most advanced and heavy-calibre end, and the most advanced and the second grade of many centrums dirt chamber intercommunication, the fine dust is high-speed rotary motion in many cones, dust and air current separation under the centrifugal force effect, and the fine dust passes the most advanced and falls into the second grade dirt chamber, is provided with the honeycomb duct at the heavy-calibre end of many cones, and the air current that presss from both sides trace dust passes the honeycomb duct and enters into the air-out chamber, goes out air chamber and air outlet intercommunication, is provided with at the air outlet and filters the cotton, it is cylindric to filter the cotton, extends to the cyclone by the air outlet in, and the air current that presss from both sides trace dust filters down at the filter cotton, flows.

As a modification of the invention, the included angle formed by the rotation axis of the multi-cone body and the axis of the dust barrel ranges from 0 to 80 degrees.

Preferably, the axis of the fine hole of the cyclone is perpendicular to the axis of the dust container.

As an improvement of the invention, the multiple cones are arranged on the guide plate in a circular array, and the center of the filter cotton is concentric with the center of the guide plate.

As a specific technical scheme of the invention, the flow guide pipe is inserted in the multiple cones, and the part of the flow guide pipe inserted in the multiple cones is in a screw tooth shape so as to generate better downward pressure.

As an improvement of the invention, the dust collector also comprises a handle, the dust barrel is fixed at the front end of the handle, an air outlet of the dust barrel is arranged backwards, a motor is fixed at the rear end of the handle, and the motor faces the air outlet of the dust barrel.

Compared with the prior art, the invention has the advantages that:

1) the upstream of the dust collector is provided with a plurality of secondary cyclone separating mechanisms arranged along the first axis of the dust barrel, the rotating axis of each separating mechanism forms an included angle a0-80 degrees with the first axis of the dust barrel, the downstream is provided with a primary cyclone separating structure, the airflow inlet is vertical to the axis of the dust barrel, and the airflow direction of the dust inlet of the dust barrel is vertical to the axis of the dust barrel.

2) The dust falling cavity of the first cyclone separation unit is arranged at the bottom of the dust barrel, and the dust falling cavities of the second cyclone separation units are distributed at the upstream of the first cyclone unit mechanism and then fall into the bottom of the dust barrel.

3) The cones are evenly arranged and distributed on the circumference, and the axis of the cone of each cone assembly forms a certain included angle a0-80 degrees with the axis of the dust cup; the spiral cone is distributed at the upstream of the primary cyclone unit, is not inserted into the primary cyclone separation unit and is not overlapped with the primary cyclone separation unit.

4) The filter cotton in the dust bucket is placed in the center of circular display distribution and extends into the primary cyclone separation unit from the top surface of the cone, and the axis of the filter cotton is parallel to or overlapped with the axis of the dust bucket and the axis of the motor.

5) The honeycomb duct is inserted into the interior of the conical body and is in a thread shape, so that better downward pressure can be generated, and the cyclone separation effect is better.

Drawings

FIG. 1 is a schematic view of the overall structure of a vacuum cleaner with a multi-stage cyclone separation structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the multi-cone and baffle configuration of FIG. 1;

fig. 4 is a schematic view of another angle structure of fig. 3.

Detailed Description

The vacuum cleaner having a multi-cyclone structure according to the present invention will be further described with reference to the accompanying drawings.

As shown in the attached drawings, the present embodiment is a vacuum cleaner with a multi-stage cyclone separation structure, and the vacuum cleaner includes a handle 1, a dust barrel 2 is fixed on the handle, a dust barrel bottom cover 3 is arranged at the front end of the dust barrel, a cleaning cavity is formed in the dust barrel in a hollow manner, and the cleaning cavity can be sealed by the dust barrel bottom cover.

The dust collector is characterized in that an air inlet 4 is formed in the lower portion of the dust barrel, airflow with garbage is sucked into the dust barrel from the air inlet, an air outlet 14 is formed in the rear end of the dust barrel, the airflow after purification is discharged from the air outlet, a motor 5 is fixed at the rear end of the handle, the motor provides kinetic energy for the dust collector of the embodiment, the air outlet faces the motor, the cleaned airflow can be blown onto the motor, and the motor can be cooled while air is exhausted.

Separated into mutually independent one-level dirt chamber 6 and second grade dirt chamber 7 in the dirt bucket, the dirt bucket is provided with cyclone 8 near the air intake, has seted up a plurality of pores 81 on the cyclone, has seted up interior runner 82 in cyclone's inside, through this pore intercommunication between interior runner and the one-level dirt chamber, the pore axis and the dirt bucket axis mutually perpendicular of cyclone. The cyclone separator is integrally in a spiral cone shape, can make solid particles or liquid drops with larger inertial centrifugal force throw and separate towards the outer wall surface by virtue of rotary motion caused by tangential introduction of the airflow, the garbage separated by the centrifugal force is thrown out of the cyclone separator and falls into the primary dust cavity, the airflow with a small amount of fine dust enters the inner flow channel through the pores on the cyclone separator, and the guide plate 9 is arranged at the rear end of the inner flow channel and can make the airflow with a small amount of fine dust enter the guide plate from the inner flow channel.

The guide plate is provided with a plurality of cones 10 which are arranged on the guide plate in a circular array, and the range of an included angle formed by the rotation axis of each cone and the axis of the dust barrel is 0-80 degrees. Many centrums have most advanced and heavy-calibre end, the most advanced and the second grade of many centrums dirt chamber intercommunication, second grade dirt chamber is located the front end of interior runner, and many centrums are located the rear end of interior runner, high-speed rotary motion is to fine dust in many pyramids, dust and air current separation under the centrifugal force effect, fine dust passes most advanced and falls into the second grade dirt chamber, heavy-calibre end at many centrums is provided with honeycomb duct 11, the honeycomb duct is pegged graft in many centrums, the honeycomb duct is pegged graft and is appeared for the thread shape at the inside part of many centrums, in order to produce better pushing down force.

Air current that presss from both sides trace dust passes the honeycomb duct and enters into air-out chamber 12, air-out chamber and air outlet intercommunication are provided with filter pulp 13 at the air outlet, the air current that presss from both sides trace dust is through the filtration of filter pulp, with trace dust and air current separation, the clean gas of flow out by the air outlet afterwards, enter into the motor position, in order to make filter pulp's filter effect reach the optimum, filter pulp's center sets up with the centre of a circle of guide plate top cross section is concentric.

The above description of the preferred embodiments of the present invention is provided to enable those skilled in the art to make various changes and modifications without departing from the spirit of the present invention, and these changes and modifications should be construed as being included in the scope of the present invention.

Claims

1. The utility model provides a dust catcher with multistage whirlwind separation structure, including the dirt bucket, the dirt bucket has air intake and air outlet, and the air current that has rubbish enters into the dirt bucket from the air intake, and the dirt bucket includes mutually independent one-level dirt chamber and second grade dirt chamber be provided with multistage whirlwind separation structure, its characterized in that in the dirt bucket: the multistage cyclone separation structure comprises a cyclone, a plurality of pores are formed in the cyclone, an inner flow channel is formed in the cyclone, the inner flow channel is communicated with a first-stage dust cavity through the pores, air flow with garbage can pass through the cyclone and form cyclone through high-speed rotary motion under the action of the cyclone, the garbage falls into the first-stage dust cavity with air flow separation under the action of centrifugal force, the air flow with a small amount of fine dust enters into the inner flow channel through the pores on the cyclone, a guide plate is arranged in the inner flow channel, a plurality of multi-cones are formed on the guide plate and provided with pointed ends and large-caliber ends, the pointed ends of the multi-cones are communicated with a second-stage dust cavity, the fine dust does high-speed rotary motion in the multi-cones, the dust and the air flow separation under the action of centrifugal force, the fine dust passes through the pointed ends to fall into the second-stage dust cavity, and the large, air current that presss from both sides trace dust passes the honeycomb duct and enters into the air-out chamber, and air-out chamber and air outlet intercommunication are provided with the filter pulp at the air outlet, the filter pulp is cylindricly, extends to the cyclone by the air outlet in, and the air current that presss from both sides trace dust is filtered at the filter pulp under, flows out clean gas, then gets into the motor.

2. The vacuum cleaner having a multi-cyclone separating structure of claim 1, wherein: the included angle formed by the rotation axis of the multiple cone bodies and the axis of the dust barrel ranges from 0 degree to 80 degrees.

3. The vacuum cleaner having a multi-cyclone separating structure of claim 1, wherein: the axes of the fine holes of the cyclones are perpendicular to the axis of the dust barrel.

4. The vacuum cleaner having a multi-cyclone separating structure of claim 1, wherein: the multiple cones are arranged on the guide plate in a circular array, and the center of the filter cotton is concentric with the circle center of the guide plate.

5. The vacuum cleaner having a multi-cyclone separating structure of claim 1, wherein: the flow guide pipe is inserted in the multiple cones, and the part of the flow guide pipe inserted in the multiple cones is in a thread shape so as to generate better downward pressure.

6. The vacuum cleaner having a multi-cyclone separating structure of claim 1, wherein: the dust collector is characterized by further comprising a handle, the dust barrel is fixed at the front end of the handle, an air outlet of the dust barrel is arranged backwards, a motor is fixed at the rear end of the handle, and the motor faces the air outlet of the dust barrel.