CN216876182U - Handheld dust collector - Google Patents

Abstract

A hand-held cleaner includes an airflow generator, a dirt cup assembly, and a post-filter. The airflow generator is used for generating airflow flowing along the suction duct. The dirt cup assembly includes a cyclonic separation chamber and a dirt chamber. The dust cavity is arranged at the outer side of the cyclone separation cavity and is communicated with the cyclone separation cavity through an ash throwing port. The post-filter is for filtering gas exhausted from the gas flow generator. The handheld dust collector along the axis direction of the cyclone separation cavity is provided with a front end and a rear end, the dust cavity and the cyclone separation cavity are arranged side by side, the airflow generator is arranged behind the cyclone separation cavity, and the rear filter is arranged behind the dust cavity and arranged side by side with the airflow generator. The cyclone separation cavity and the dust cavity are separately arranged, the airflow generator is arranged behind the cyclone separation cavity, and the rear filter is arranged behind the dust cavity, so that the arrangement is more reasonable while the separation efficiency is improved.

Description

Handheld dust collector

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a handheld dust collector.

Background

In order to improve the separation efficiency of a hand-held cleaner, a cyclonic separator is generally used to separate an airflow carrying dirt, the dirt separated is stored in a dirt cup, and the airflow is discharged via an outlet of an airflow generator. In the prior art, the cyclone separator is generally of a cylindrical structure, and is limited with a cavity, wherein the upper part of the cavity is a cyclone separation cavity, and a lower dust cavity are directly communicated with each other.

Adopt the cyclone of integral type, the dust in the dirt chamber can be because of the disturbance in cyclone separation chamber, can get into cyclone separation chamber again in the course of the work, makes the separation effect reduce.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the handheld dust collector, and the separation efficiency is improved through the reasonable layout among the dust cavity, the cyclone separation cavity, the airflow generator and the filter.

In one aspect, the present invention provides a hand-held cleaner comprising

An airflow generator for generating an airflow flowing along the suction duct;

a dirt cup assembly including a cyclonic separation chamber and a dirt chamber; the dust cavity is arranged on the outer side of the cyclone separation cavity and is communicated with the cyclone separation cavity through an ash throwing port;

a post-filter for filtering gas exhausted from the gas flow generator;

wherein, follow the axis direction in whirlwind separation chamber handheld dust catcher has front end and rear end, the dirt chamber with the whirlwind separation chamber sets up side by side, airflow generator set up in the rear in whirlwind separation chamber, the after-filter set up in the rear in dirt chamber and with airflow generator sets up side by side.

Optionally, the airflow generator, the cyclonic separating chamber, the dirt chamber and the post-filter are substantially at the same height when the axis of the cyclonic separating chamber is positioned horizontally.

Optionally, the hand-held vacuum cleaner further comprises a pistol grip for supporting the hand-held vacuum cleaner, the grip having opposite upper and lower ends along an axis thereof, wherein when the upper end of the grip is positioned above the lower end of the grip, the airflow generator and the post-filter are both positioned above the upper end of the grip.

Optionally, the airflow generator and the rear filter are located on either side of the axis of the handle, respectively, in the width direction of the hand-held cleaner.

Optionally, the handheld dust collector is further provided with a mounting cavity for mounting the post-filter, the mounting cavity is provided with an air inlet and an air outlet, and the air inlet and the air outlet are arranged oppositely.

Optionally, the dust chamber further comprises an air inlet, and the air flow can enter the dust chamber from the air inlet and then be discharged from the dust discharge port of the dust chamber.

Optionally, the cyclonic separation chamber and the dirt chamber are located on either side of the suction duct in the width direction of the hand-held cleaner.

Optionally, the cyclonic separation chamber includes a separation chamber ash discharge.

Optionally, the dust chamber dust discharge opening and the separation chamber dust discharge opening are opened simultaneously.

Optionally, the suction duct extends in an upper plane of the upper end of the handle.

The utility model provides a handheld dust collector which comprises an airflow generator, a dust cup assembly and a post-filter. The airflow generator is used for generating airflow flowing along the suction pipeline. The dirt cup assembly includes a cyclonic separation chamber and a dirt chamber. The dust cavity is arranged on the outer side of the cyclone separation cavity and is communicated with the cyclone separation cavity through the dust throwing port. The post-filter is for filtering gas exhausted from the gas flow generator. The handheld dust collector along the axis direction of the cyclone separation cavity is provided with a front end and a rear end, the dust cavity and the cyclone separation cavity are arranged side by side, the airflow generator is arranged at the rear of the cyclone separation cavity, and the rear filter is arranged at the rear of the dust cavity and arranged side by side with the airflow generator. The cyclone separation cavity and the dust cavity are separately arranged, the airflow generator is arranged behind the cyclone separation cavity, and the rear filter is arranged behind the dust cavity, so that the separation efficiency is improved, and the layout is more reasonable.

Drawings

FIG. 1 is a schematic diagram of a cleaning system according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the cleaning system shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of a hand-held cleaner in one embodiment taken along a horizontal direction;

FIG. 4 is a schematic vertical cross-sectional view of a hand-held cleaner in one embodiment;

FIG. 5 is a schematic view of a hand-held vacuum cleaner according to an embodiment;

FIG. 6 is a schematic cross-sectional view of a hand-held cleaner in an exemplary embodiment taken along a vertical direction;

FIG. 7 is a schematic cross-sectional view of the hand-held cleaner in another vertical orientation in one embodiment;

FIG. 8 is a schematic view of a hand-held cleaner in another embodiment;

fig. 9 is a schematic structural view of a hand-held cleaner in yet another embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the description of the present application, 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, a removable connection, or an integral 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 application can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a cleaning system according to an embodiment of the utility model. Fig. 2 is a schematic cross-sectional view of the cleaning system shown in fig. 1. FIG. 3 is a schematic cross-sectional view of a hand-held cleaner in one embodiment taken along a horizontal plane. FIG. 4 is a schematic vertical sectional view of a hand-held cleaner in one embodiment. Referring to fig. 1, the present application discloses a cleaning system 100, the cleaning system 100 comprising a surface cleaning apparatus 10 for cleaning a surface to be cleaned and a dust collection apparatus 30 for interfacing at least a portion of the surface cleaning apparatus. Surface cleaning apparatus 10 may be a hand-held cleaning apparatus, an upright cleaning apparatus, or a horizontal cleaning apparatus. Referring to the figures, surface cleaning apparatus 10 includes an airflow generator and a dirt cup assembly. Referring to figures 2 and 3, the surface cleaning apparatus in the embodiment shown in figure 2 is a hand-held cleaning apparatus and the airflow generator 8 is used to generate a suction airflow along the suction duct 7 of the surface cleaning apparatus. The dust cup assembly comprises a cyclone separation cavity 1 and a dust cavity 2, and the dust cavity 2 is arranged on the outer side of the cyclone separation cavity 1 and is communicated with the cyclone separation cavity 1 through an ash throwing port 6. Referring to fig. 3, a schematic view of the surface cleaning apparatus is shown in operation. The arrows in fig. 3 indicate the direction of the suction airstream flow. Dirt entering the cyclone separation chamber 1 through the suction pipeline 7 is thrown into the dust chamber 2 through the dust throwing port 6 under the cyclone separation effect, and the filtered airflow passes through the exhaust port of the airflow generator 8 and is discharged out of the device. The airflow generator 8 is provided upstream with a pre-filter and downstream with a post-filter.

The dust collection assembly 30 can be a collection assembly that can be placed on the floor separately or can be a separate dirt cup-like structure that can be mounted to the surface cleaning apparatus. Referring to fig. 1 and 2, the dust collecting device 30 is a base station that can be placed on the floor, and the base station can be used to place a hand-held cleaning device and to charge the cleaning device in addition to collecting dust. Referring to fig. 2 and 3, the dust collecting device 30 includes a dust collecting chamber 3, and the dust collecting chamber 3 collects dirt discharged from the dust discharge port 21 of the dust chamber 2. With the surface cleaning apparatus 10 docked to the dust collecting device 30 and the dust discharge opening 21 and the air intake opening 22 open, the dust dump opening 6 is closed and the suction air flow generated by the air flow generator 8 is in fluid communication with the dust collection chamber 3, transferring at least part of the dirt in the dust chamber 2 into the dust collection chamber 3.

The dirt in the dust chamber 2 is transferred into the dust chamber 3 of the dust collecting device by means of a suction air flow generated by a motor (air flow generator) of the surface cleaning device, which both reduces the cost (saves the motor in the dust collecting device) and reduces the overall volume of the dust collecting device. The dust collecting cavity can be provided with a cyclone separating device and a dust bag. Of course, a sterilization device can also be arranged in the dust collecting cavity: such as ultraviolet germicidal lamps, ozone generators, etc.

With continued reference to fig. 5-9, fig. 5 is a schematic view of a hand-held cleaner in accordance with an embodiment. FIG. 6 is a schematic cross-sectional view of a hand held cleaner in an upright orientation in accordance with an embodiment. FIG. 7 is a schematic cross-sectional view of a hand-held cleaner in another vertical orientation in accordance with an embodiment. Fig. 8 is a schematic structural view of a hand-held cleaner in another embodiment. Fig. 9 is a schematic structural view of a hand-held cleaner in yet another embodiment. The broken line X in the drawings indicates the axis of the suction duct, Y indicates the axis of the cyclonic separation chamber and Z indicates the axis of the handle, and referring to figures 5 to 9, and also to figures 3 and 4, the hand-held cleaner 10 shown in the embodiment of the drawings will be described in detail as including the airflow generator 8, the energy storage unit 91, the pistol handle 9 and the dirt cup assembly. A pistol grip 9 is used to support the hand-held cleaner. The airflow generator 8 is used to generate an airflow flowing along the suction duct. An energy storage unit 91 for providing energy to the airflow generator 8. The handgrip 9 has opposite upper and lower ends along its axial direction, wherein when the upper end of the handgrip 9 is positioned above the lower end of the handgrip 9 (as in the position shown in figure 5), the airflow generator 8 is positioned above the upper end of the handgrip 9 and the energy storage unit 91 is disposed between the airflow generator 8 and the upper end of the handgrip 9. The upper direction referred to herein does not mean only the right upper direction, but may be a diagonally upper position. The above is also understood to be the relationship of the upper and lower positions in the vertical direction and does not limit the position of the individual components in the horizontal plane in which they are located. Through setting up the motor in handle 9 top, the battery sets up between handle 9 and motor, can make the weight distribution of host computer more reasonable. The dust cup component can be of a single dust cup structure, namely the cyclone separation cavity and the dust cavity are arranged in the same cyclone barrel, and the dust cup component can also be of a double-cup structure with the cyclone separation cavity and the dust cavity being independent.

Referring to fig. 6 and 7, the handgrip 9 is a pistol grip 9 for supporting a hand-held cleaner, the handgrip 9 having opposite upper and lower ends along its axis, wherein the airflow generator 8 and the energy storage unit 91 are both located above the upper end of the handgrip 9 when the upper end of the handgrip 9 is located above the lower end of the handgrip 9. Referring to fig. 7, in one embodiment, the axis Z of the handle 9 passes through the energy storage unit 91 and the airflow generator 8, with at least a portion of the airflow generator 8 being disposed directly above the energy storage unit 91. Referring to fig. 8, in another embodiment, the axis Z of the handgrip 9 passes through the energy storage unit 91 but not through the airflow generator 8, i.e. the airflow generator 8 is set back relative to the axis of the handgrip 9. Referring to fig. 9, in other embodiments, the axis Z of the handgrip 9 passes through neither the energy storage unit 91 nor the airflow generator 8, the energy storage unit 91 being disposed behind the axis of the handgrip 9 or the energy storage unit 91 being disposed in front of the axis of the handgrip 9, the airflow generator 8 being disposed behind the axis of the handgrip 9.

Referring to fig. 3 and 4, the dirt cup assembly includes a cyclonic separation chamber 1 and a dirt chamber 2. The dust cavity 2 is arranged outside the cyclone separation cavity 1 and is communicated with the cyclone separation cavity 1 through an ash throwing port 6. The cyclone chamber 1 and the dust chamber 2 are separated and communicated through an ash slinger 6. As in the embodiment shown in the figures, the cyclonic separating chamber 1 and the dirt chamber 2 are both located above the suction duct 7. Further, the cyclonic separating chamber 1 and the dirt chamber 2 are arranged side by side above the suction duct 7 in a direction transverse to the axis of the suction duct 7.

In other embodiments, the axis X of the suction duct 7 may pass through the dirt cup assembly, and the suction duct 7 is disposed at an end of the dirt cup assembly, with part of the suction duct 7 extending through one end of the dirt cup assembly and communicating with the cyclonic separation chamber 1.

Referring to fig. 3 and 6, the hand-held cleaner further comprises a post-filter 5 for filtering air exiting the airflow generator 8, the post-filter 5 being disposed above the energy storage unit 91. Wherein, handheld dust catcher has front end and rear end along the axis Y direction in whirlwind separation chamber 1, and dirt chamber 2 and whirlwind separation chamber 1 set up side by side, and airflow generator 8 sets up in the rear in whirlwind separation chamber 1, and back filter 5 sets up in the rear in dirt chamber 2 and sets up side by side with airflow generator 8.

In other embodiments, the post-filter 5 may be disposed behind the airflow generator 8 in the axial direction of the airflow generator 8, or the post-filter 5 may be disposed around the airflow generator 8.

With reference to fig. 6, the energy storage unit is located behind the suction duct 7 in the axial direction X of the suction duct 7. The cyclonic separating chamber 1 and the dirt chamber 2 are at substantially the same height. The projection of the energy storage unit 91 in the first plane in the axial direction X of the suction duct 7 intersects the projection of the suction duct 7 in the first plane. The first plane is a plane perpendicular to the suction duct axis X, i.e. the suction duct 7 and the energy storage unit 91 are substantially at the same height. The suction duct 7 extends in an upper plane of the upper end of the handle 9.

Referring to fig. 3, when the axis Y of the cyclone chamber 1 is horizontally disposed, the airflow generator 8, the cyclone chamber 1, the dust chamber 2 and the post-filter 5 are substantially at the same height, so that the weight distribution is more reasonable, and the whole machine is more beautiful. The airflow generator 8 and the post-filter 5 are located on either side of the axis Z of the handgrip 9, along the width of the hand-held cleaner. I.e. the airflow generator 8 and the post-filter 5 are located on either side of the handgrip 9, when viewed from the upper end to the lower end of the handgrip 9. The handheld dust collector is also provided with an installation cavity for installing the rear filter 5, the installation cavity is provided with an air inlet and an air outlet, and the air inlet and the air outlet are oppositely arranged.

Referring to fig. 2 and 3, the dust chamber 2 further includes an air inlet 22, and the airflow can enter the dust chamber 2 from the air inlet 22 and then be discharged from the dust outlet of the dust chamber 2.

The cyclone chamber 1 and the dust chamber 2 are respectively located at both sides of the suction duct 7 in the width direction of the hand-held cleaner. That is, the cyclone chamber 1 and the dust chamber 2 are located at both sides of the suction duct 7, respectively, as viewed from the upper end to the lower end of the handle 9. The cyclonic separating chamber 1 and the dirt chamber 2 may also be arranged symmetrically with respect to the suction duct 7 for aesthetic reasons. The cyclonic separating chamber 1 includes a separating chamber ash discharge. The dust discharge port of the dust chamber 2 and the dust discharge port of the separation chamber are opened simultaneously. The suction duct 7 extends in an upper plane of the upper end of the handle 9.

While embodiments of the utility model have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.

Claims (10)

1. A hand-held cleaner is characterized by comprising

An airflow generator for generating an airflow flowing along the suction duct;

a dirt cup assembly including a cyclonic separation chamber and a dirt chamber; the dust cavity is arranged on the outer side of the cyclone separation cavity and is communicated with the cyclone separation cavity through an ash throwing port;

a post-filter for filtering gas exhausted from the gas flow generator;

wherein, follow the axis direction in whirlwind separation chamber handheld dust catcher has front end and rear end, the dirt chamber with the whirlwind separation chamber sets up side by side, airflow generator set up in the rear in whirlwind separation chamber, the after-filter set up in the rear in dirt chamber and with airflow generator sets up side by side.

2. The hand-held cleaner of claim 1,

when the axis of the cyclone separation chamber is horizontally arranged, the airflow generator, the cyclone separation chamber, the dust chamber and the post-filter are at substantially the same height.

3. The hand-held cleaner of claim 1 or 2,

the handheld vacuum cleaner further comprises a pistol type handle for supporting the handheld vacuum cleaner, the handle is provided with an upper end and a lower end which are opposite to each other along the axis direction of the handle, when the upper end of the handle is positioned above the lower end of the handle, the airflow generator and the rear filter are both positioned above the upper end of the handle.

4. The hand-held cleaner of claim 3,

along the width direction of handheld dust catcher, airflow generator and back filter are located respectively the both sides of the axis of handle.

5. The hand-held cleaner of claim 4,

the handheld dust collector is further provided with an installation cavity used for installing the rear filter, the installation cavity is provided with an air inlet and an air outlet, and the air inlet and the air outlet are oppositely arranged.

6. The hand-held cleaner of claim 1,

the dust cavity also comprises an air inlet, and air flow can enter the dust cavity from the air inlet and then is discharged from the dust discharge port of the dust cavity.

7. The hand-held cleaner of claim 1,

the cyclone separation chamber and the dust chamber are respectively positioned at two sides of the suction pipeline along the width direction of the handheld dust collector.

8. The hand-held cleaner of claim 1,

the cyclone separation chamber comprises a separation chamber ash discharge port.

9. The hand-held cleaner of claim 8,

and the dust discharge port of the dust cavity and the dust discharge port of the separation cavity are opened simultaneously.

10. The hand-held cleaner of claim 3,

the suction duct extends in an upper plane of the upper end of the handle.

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