CN220546216U - Dust collector with three-stage filtering system - Google Patents

Abstract

The utility model discloses a dust collector with a three-stage filtering system, which comprises an upper machine body and a lower machine body, wherein a suction inlet communicated with a dust collection cavity is formed in the lower machine body, and an air outlet is formed in the upper machine body; the three-layer filter device has the advantages that the three-layer filter device is provided with the dust bag, the cyclone separator and the filter, so that the filter effect is better, and the air exhausted by the dust collector is purer.

Description

Dust collector with three-stage filtering system

Technical Field

The present utility model relates to a vacuum cleaner, and more particularly, to a vacuum cleaner having a three-stage filter system.

Background

The dust collector is a common cleaning tool and can be divided into a vertical type, a horizontal type and a portable type according to the structure; the working principle of the dust collector is that the motor is used for driving the blades to rotate at high speed, air negative pressure is generated in the sealed shell, and dust is sucked.

The utility model provides a noise reduction formula dust catcher in multistage wind channel of publication number CN218899308U, includes upper cover, well lid, lower cover, dust collection bucket and the base that top-down set up, the lower surface of lower cover has set firmly the filter bowl.

In the structure of the existing dust collector, the dust collector is generally provided with only one layer of filtering structure, and a lot of dust is possibly mixed in the air led out from the air outlet pipe, so that the discharged air is not clean enough, and the filtering effect in the dust collector is poor.

Disclosure of Invention

The utility model aims to provide a dust collector with a three-stage filtering system, which has good filtering effect.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a dust catcher with tertiary filtration system, includes the last organism and the lower organism of mutual lock, set up the open-top in dust absorption chamber and dust absorption chamber down in the organism, go up the organism lock and seal the open-top in dust absorption chamber at the top of organism down, set up the sunction inlet and the sunction inlet of dust absorption chamber intercommunication down on the organism, set up the air exit on the organism, be provided with the dirt bag in the dust absorption chamber, the open end cover of dirt bag is established on the sunction inlet, the air current is followed the sunction inlet gets into the dirt bag, be provided with the exhaust airway with the air exit intercommunication, the air intake end of exhaust airway is provided with cyclone, pass in the air current behind the dirt bag gets into cyclone, the inside of exhaust airway is provided with the filter, follow the air current that cyclone comes out passes the filter, and the air current is followed the air exit along the exhaust airway and is discharged.

The further preferable scheme of the utility model is as follows: the cyclone separator comprises a cyclone cover and a dust collecting box communicated with the cyclone cover, an air inlet is formed in the side wall of the cyclone cover, air flows enter the cyclone cover from the air inlet, a cyclone partition plate is arranged on the top cover of the cyclone cover, an air guide pipe extending into the cyclone cover is arranged on the cyclone partition plate, and the air flows are discharged from the air guide pipe.

The further preferable scheme of the utility model is as follows: the dust box is arranged at the bottom of the cyclone cover, and a dust falling port communicated with the dust box is arranged on the bottom surface of the dust box.

The further preferable scheme of the utility model is as follows: the center of the cyclone separator plate extends downwards to form the air guide pipe.

The further preferable scheme of the utility model is as follows: the upper part of the upper machine body, which is positioned above the filter, is provided with an opening, an assembly hole for installing the filter is arranged in the opening, the assembly hole is communicated with the exhaust duct, and the upper machine body is detachably provided with a middle cover which can seal the opening.

The further preferable scheme of the utility model is as follows: the upper machine body is provided with a middle cover buckle used for fixing the middle cover, and when the middle cover is covered on the opening, the middle cover buckle fixes the middle cover.

The further preferable scheme of the utility model is as follows: the middle cover is provided with a handle.

The further preferable scheme of the utility model is as follows: the upper machine body is internally provided with a dust shaking device, the dust shaking device comprises a back-blowing rod and an electromagnet, an air inlet communicated with the exhaust duct is formed in the upper machine body, the back-blowing rod penetrates through the air inlet to extend into the exhaust duct and close the air inlet, the electromagnet is connected to the end part of the back-blowing rod, and the electromagnet can drive the back-blowing rod to move so that the air inlet is opened.

The further preferable scheme of the utility model is as follows: the upper machine body is provided with a control board, the control board is provided with a negative pressure switch, the negative pressure switch is connected with an air duct, and the other end of the air duct is connected with the upper machine body and communicated with an exhaust duct.

The further preferable scheme of the utility model is as follows: the upper machine body is internally provided with a motor, and the motor is positioned at the tail end of the exhaust duct.

Compared with the prior art, the dust collection device has the advantages that the dust collection cavity is internally provided with the dust bag, air flow enters the dust bag from the suction inlet, the cyclone separator is arranged at the air inlet end of the exhaust duct, the air flow passing through the dust bag enters the cyclone separator, the filter is arranged in the exhaust duct, the air flow coming out of the cyclone separator passes through the filter, the air flow is exhausted from the exhaust outlet along the exhaust duct, and the dust collection device, the cyclone separator and the filter three-layer filtering device are arranged, so that the filtering effect is better, and the air exhausted by the dust collector is purer.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic diagram of the structure of a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the upper body separated from the lower body in a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of the preferred embodiment of the present utility model with the middle cap open;

FIG. 4 is a cross-sectional view of a preferred embodiment of the present utility model;

FIG. 5 is a schematic view of an upper housing in accordance with a preferred embodiment of the present utility model;

FIG. 6 is a schematic view of a cyclone separator in a preferred embodiment of the utility model;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a cross-sectional view of FIG. 6;

FIG. 9 is a schematic diagram of a dust shaker system in accordance with a preferred embodiment of the present utility model;

FIG. 10 is a schematic diagram of the dust shaking system in an initial state according to the preferred embodiment of the present utility model;

FIG. 11 is a schematic diagram of the dust shaking system in an on state according to the preferred embodiment of the utility model.

In the figure: 1. an upper body; 11. an exhaust duct; 12. an air outlet; 13. an opening; 14. a fitting hole; 15. a middle cover; 151. a handle; 16. a middle cover buckle; 17. an air inlet hole; 18. a control board; 181. a negative pressure switch; 19. an air duct; 110. a motor; 2. a lower body; 21. a dust collection cavity; 22. a suction inlet; 23. a dust bag; 3. a cyclone separator; 31. a cyclone cover; 311. a dust falling port; 32. a dust collection box; 33. an air inlet; 34. a cyclone separator; 35. an air guide pipe; 36. convex ribs; 4. a filter; 5. a blowback rod; 51. an electromagnet;

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The structure of the filtering system of the dust collector is mainly described in the embodiment, and the structure is as follows:

the dust collector with the three-stage filtering system comprises an upper machine body 1 and a lower machine body 2, wherein a dust collection cavity 21 is arranged on the lower machine body 2, the upper machine body 1 is detachably connected with the lower machine body 2, the upper machine body 1 can be buckled above the lower machine body 2, and when the upper machine body 1 is buckled above the lower machine body 2, the upper machine body 1 seals the top opening of the dust collection cavity 21.

The side wall of the lower body 2 is provided with a suction inlet 22, the suction inlet 22 is communicated with the dust collection cavity 21, the suction inlet 22 is connected with a dust collection pipe, and dust is sucked into the dust collection cavity 21 from the suction inlet 22 by the dust collection pipe.

A dust bag 23 is arranged in the dust collection cavity 21, the opening end of the dust bag 23 is sleeved on the suction inlet 22, and dust is sucked from the suction inlet 22 and then enters the dust bag 23.

The dust bag 23 is a first-stage filter, the suction inlet 22 sucks the air flow with the garbage and dust to be subjected to the first-stage filter by the dust bag 23, and the dust bag 23 can collect most of the garbage and dust.

An exhaust duct 11 is arranged in the upper machine body 1, when the upper machine body 1 is buckled on the lower machine body 2, the exhaust duct 11 is communicated with the dust collection cavity 21, an exhaust outlet 12 is arranged at the side part of the upper machine body 1, and air flow is exhausted from the exhaust outlet 12.

A motor 110 is arranged in the upper machine body 1, and the motor 110 is positioned at the tail end of the exhaust duct 11.

The air flow enters the dust collection cavity 21 from the suction inlet 22, then enters the exhaust duct 11, and finally the air flow is exhausted from the exhaust outlet 12.

The upper machine body 1 is provided with a cyclone separator 3, the cyclone separator 3 is arranged at the air inlet end of the exhaust duct 11, and when the upper machine body 1 is buckled on the lower machine body 2, the cyclone separator 3 is arranged in the dust collection cavity 21.

The cyclone separator 3 includes a cyclone cover 31 and a dust box 32, the cyclone cover 31 is fixedly connected to the bottom of the upper body 1 and is communicated with the exhaust duct 11, the dust box 32 is connected to the bottom of the cyclone cover 31, and dust filtered by the cyclone separator 3 falls into the dust box 32.

Further, a dust falling port 311 is formed at the bottom of the cyclone cover 31, and the filtered dust falls into the dust box 32 from the dust falling port 311.

The dust box 32 is detachably connected to the bottom of the cyclone cover 31, and the dust box 32 is detached to clean dust in the dust box 32 and then is mounted back on the cyclone cover 31.

An air inlet 33 is formed in the side wall of the cyclone cover 31, air in the dust collection cavity 21 enters the cyclone cover 31 from the air inlet 33, a cyclone partition 34 is arranged on the top cover of the cyclone cover 31, an air guide pipe 35 is arranged on the cyclone partition 34, the air guide pipe 35 stretches into the cyclone cover 31, and air flow is discharged from the air guide pipe 35.

Further, the cyclone separator 34 extends downward from its center to form the air duct 35.

The inner wall of the air guide pipe 35 is provided with a convex rib 36, and the convex rib 36 can prevent the air flow from generating whistling sounds when passing through the air guide pipe 35.

The cyclone separator 3 is a two-stage filter, and the air flow passing through the dust bag 23 carries a small amount of dust, and enters the cyclone separator 3 to be subjected to the second-stage filter, and the filtered dust falls into the dust collection box 32 at the bottom of the cyclone cover 31.

The filter 4 is arranged in the exhaust duct 11, and the air flow from the cyclone separator 3 passes through the filter 4, and the air filtered by the filter 4 enters the exhaust duct 11.

An opening 13 is formed in the upper portion of the upper machine body 1, located above the filter 4, an assembly hole 14 for installing the filter 4 is formed in the opening 13, the assembly hole 14 is communicated with the exhaust duct 11, and the filter 4 is detachably installed in the assembly hole 14.

The filter 4 is three-stage filtration, a small part of dust from the cyclone separator 3 is filtered finally by the filter 4, the filtration efficiency reaches 99.99%, and clean air after filtration is discharged from the air outlet 12.

The upper body 1 is detachably provided with a middle cover 15 capable of closing the opening 13, when the filter 4 needs to be replaced or the filter 4 needs to be removed for cleaning, the middle cover 15 can be opened, then the filter 4 is removed, the middle cover 15 is covered after the new filter 4 is replaced, and the opening 13 is closed.

The upper body 1 is provided with a middle cover buckle 16 for fixing the middle cover on two sides of the opening 13, and when the middle cover 15 is covered on the opening 13, the middle cover buckle 16 fixes the middle cover 15 to prevent the middle cover 15 from falling off the upper body 1.

The middle cover 15 is also provided with a handle 151 which is convenient to carry.

The upper machine body 1 is also internally provided with a dust shaking device, the dust shaking device comprises a back-blowing rod 5 and an electromagnet 51, the upper machine body 1 is provided with an air inlet hole 17 communicated with the exhaust duct 11, the back-blowing rod 5 penetrates through the air inlet hole 17 to extend into the exhaust duct 11 and seal the air inlet hole 17, the electromagnet 51 is connected to the end part of the back-blowing rod 5, and the electromagnet 51 can drive the back-blowing rod 5 to move so that the air inlet hole 17 is opened.

The upper machine body 1 is provided with a control board 18, the control board 18 is provided with a negative pressure switch 181, the negative pressure switch 181 is connected with an air duct 19, and the other end of the air duct 19 is connected with the upper machine body 1 and communicated with the exhaust duct 11.

Program control shakes dirt: when the machine switch is turned to a program control dust shaking gear, the electromagnet 51 is electrified according to a program set by the control board to work, the back blowing rod 5 is pulled to move to the right side, the air inlet hole 17 is opened, air flow enters the exhaust duct 11 from the air inlet hole 17 to blow off dust attached to the surface of the filter 4, the filter is cleaned, and the dust shaking function is realized.

Negative pressure feedback dust shaking: the control board 18 can set a threshold value of negative pressure feedback, a dust shaking time interval and a dust shaking frequency; when the machine switch is turned to the negative pressure feedback control dust shaking gear, the air duct 19 feeds the negative pressure value in the exhaust duct 11 back to the negative pressure switch 181 of the control panel 18, when the negative pressure reaches the threshold value set by the control panel 18, the electromagnet 51 is electrified to work according to the program set by the control panel 18, the blowback rod 5 is pulled to move to the right side, the air inlet hole 17 is opened, air flow enters the exhaust duct 11 from the air inlet hole 17 to blow the filter, dust attached to the surface of the filter 4 is blown off, the filter is cleaned, and the dust shaking function is realized.

The motor 110 operates to generate high negative pressure to suck garbage and dust from the suction inlet 22;

the dust bag filters, the suction inlet 22 sucks the airflow with the garbage and dust to carry out the first-stage filtration through the dust bag 23, and the dust bag 23 can collect most of the garbage and dust;

the cyclone separator filters, the air flow passing through the dust bag 23 carries a small amount of dust, and enters the cyclone separator 3 for secondary filtration, and the filtered dust falls into a dust collecting box 32 at the bottom of the cyclone separator 3;

the filter filters, and a small part of dust from the cyclone separator 3 is filtered finally by the filter 4, the filtering efficiency reaches 99.99%, and clean air after filtration is discharged from the air outlet 12.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

The foregoing has outlined rather broadly the principles and embodiments of the present utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better suited for use with a cleaner having a three stage filter system. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The utility model provides a dust catcher with tertiary filtration system, includes organism and lower organism under the mutual lock, set up the open-top in dust absorption chamber and dust absorption chamber down in the organism, go up the organism lock and seal the open-top in dust absorption chamber at the top of organism down, set up the sunction inlet and the sunction inlet of dust absorption chamber intercommunication on the organism down, set up the air exit on the last organism, its characterized in that: the dust collection device is characterized in that a dust bag is arranged in the dust collection cavity, the opening end of the dust bag is sleeved on the suction inlet, air flow enters the dust bag from the suction inlet, an exhaust duct communicated with the exhaust outlet is arranged in the upper machine body, a cyclone separator is arranged at the air inlet end of the exhaust duct, the air flow passing through the dust bag enters the cyclone separator, a filter is arranged in the exhaust duct, the air flow coming out of the cyclone separator passes through the filter, and the air flow is exhausted from the exhaust outlet along the exhaust duct.

2. The vacuum cleaner having a three stage filtration system of claim 1, wherein: the cyclone separator comprises a cyclone cover and a dust collecting box communicated with the cyclone cover, an air inlet is formed in the side wall of the cyclone cover, air flows enter the cyclone cover from the air inlet, a cyclone partition plate is arranged on the top cover of the cyclone cover, an air guide pipe extending into the cyclone cover is arranged on the cyclone partition plate, and the air flows are discharged from the air guide pipe.

3. The vacuum cleaner having a three stage filtration system of claim 2, wherein: the dust box is arranged at the bottom of the cyclone cover, and a dust falling port communicated with the dust box is arranged on the bottom surface of the dust box.

4. The vacuum cleaner having a three stage filtration system of claim 2, wherein: the center of the cyclone separator plate extends downwards to form the air guide pipe.

5. The vacuum cleaner having a three stage filtration system of claim 1, wherein: the upper part of the upper machine body, which is positioned above the filter, is provided with an opening, an assembly hole for installing the filter is arranged in the opening, the assembly hole is communicated with the exhaust duct, and the upper machine body is detachably provided with a middle cover which can seal the opening.

6. The vacuum cleaner having a three stage filtration system of claim 5, wherein: the upper machine body is provided with a middle cover buckle used for fixing the middle cover, and when the middle cover is covered on the opening, the middle cover buckle fixes the middle cover.

7. The vacuum cleaner having a three stage filtration system of claim 5, wherein: the middle cover is provided with a handle.

8. The vacuum cleaner having a three stage filtration system of claim 1, wherein: the upper machine body is internally provided with a dust shaking device, the dust shaking device comprises a back-blowing rod and an electromagnet, an air inlet communicated with the exhaust duct is formed in the upper machine body, the back-blowing rod penetrates through the air inlet to extend into the exhaust duct and close the air inlet, the electromagnet is connected to the end part of the back-blowing rod, and the electromagnet can drive the back-blowing rod to move so that the air inlet is opened.

9. The vacuum cleaner having a three stage filtration system of claim 8, wherein: the upper machine body is provided with a control board, the control board is provided with a negative pressure switch, the negative pressure switch is connected with an air duct, and the other end of the air duct is connected with the upper machine body and communicated with an exhaust duct.

10. The vacuum cleaner having a three stage filtration system of claim 1, wherein: the upper machine body is internally provided with a motor, and the motor is positioned at the tail end of the exhaust duct.