CN214856353U

CN214856353U - Hand-held dust suction device

Info

Publication number: CN214856353U
Application number: CN202023030464.7U
Authority: CN
Inventors: 杨勇
Original assignee: Shenzhen 3irobotix Co Ltd
Current assignee: Shenzhen 3irobotix Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-26
Anticipated expiration: 2030-12-16

Abstract

A handheld dust extraction device comprising: a main housing; a cyclonic separation section for separating the airflow, the cyclonic separation section having a first axis; the air pipe is communicated with the cyclone separation part, and at least part of the air pipe is positioned on one side of the first axis; the airflow driving assembly is used for driving airflow to generate negative pressure; the battery pack is electrically connected with the airflow driving component and is used for providing electric energy for the operation of the airflow driving component; and the handle is provided with a holding area for being gripped by a user, the handle extends along the first axis direction, and the battery pack is positioned below the handle. The application provides a handheld dust collecting equipment handle extends along the primary axis of whirlwind separation portion, and the group battery sets up in the handle below for complete machine small in size, the focus is more reasonable, and the operation is convenient and comfortable.

Description

Hand-held dust suction device

[ technical field ] A method for producing a semiconductor device

The application relates to the technical field of cleaning, in particular to a handheld dust collecting device.

[ background of the invention ]

The dust catcher is a common household cleaning appliance at present, and the dust catcher commonly used can roughly be divided into horizontal type, vertical type, hand-held type etc. according to the structural configuration difference, wherein, horizontal type dust catcher includes parts such as body, vacuum blower, connecting pipe, scrubbing brush, and vacuum blower installs inside the body, and vacuum blower passes through the hose to be connected with the scrubbing brush, operates the scrubbing brush during use and carries out the dust absorption to drag the body through the connecting pipe and remove. The horizontal dust collector is generally large in size, and the body needs to be frequently dragged when the horizontal dust collector is used, so that the operation is not very convenient. The floor brush and the vacuum fan of the vertical dust collector adopt an integrated structure, the dust collection operation can be completed by pushing the vertical dust collector body during use, the vertical dust collector is very suitable for cleaning the ground, but when walls, furniture surfaces, table tops and the like need to be cleaned, the whole dust collector needs to be lifted, and the vertical dust collector is inconvenient to use.

The handheld dust collector is designed for portability, has small volume and light weight, is convenient for a user to operate, and has wider application range. The existing handheld dust collector comprises a battery, a motor, a handle, a cup body and other parts, and when the handheld dust collector is designed, the relative position of the parts has obvious influence on the overall performance of the handheld dust collector, so that the use experience of a user also has obvious influence. The existing handheld dust collector usually adopts a built-in battery, the battery and the machine body are integrally arranged, the battery cannot be replaced, the battery is not beneficial to heat dissipation, and when the battery fails, a user can hardly replace the battery. The relative position arrangement of the motor and the cup body has obvious influence on the dust collection effect of the handheld dust collector, and the design and the manufacture of the handheld dust collector need to be considered simultaneously.

When the handheld dust collector is used for cleaning dust at the bottom of a sofa, at the bottom of a bed and in gaps among furniture, the handheld dust collector is required to be small enough in size, and the suction force and the dust removal capacity of the dust collector are ensured, so that how to arrange the positions of all parts in a limited space is an important consideration in the research and development process.

However, the air duct, the accommodating bin, the host and the handle of the existing handheld dust collector are not compact enough in configuration mode, the shape of the handle is a semicircular or gun-type handle, when different scenes such as the bottom of a sofa, the bottom of a bed, a curtain or a wall above the sofa and the like are cleaned in a family environment, the handle is uncomfortable to hold in some scenes, and the gravity center is unreasonable due to unreasonable layout of the whole machine, so that the problems of uneven weight distribution and inconvenient operation exist, when the upper position is cleaned, the handle is easy to feel heavier, and the use experience is influenced.

[ Utility model ] content

The utility model aims at providing a hand-held type dust catcher, structural configuration is reasonable, grips the convenience, operates the facility.

The purpose of the application is realized by the following technical scheme:

a handheld dust extraction device comprising:

a main housing;

a cyclonic separation section for separating the airflow, the cyclonic separation section having a first axis;

the air pipe is communicated with the cyclone separation part, and at least part of the air pipe is positioned on one side of the first axis;

the airflow driving assembly is used for driving airflow to generate negative pressure;

the battery pack is electrically connected with the airflow driving assembly and is used for providing electric energy for the operation of the airflow driving assembly;

a handle having a gripping area for grasping by a user, the handle extending in a first axial direction, the battery pack being located below the handle.

In one embodiment, the handle defines a second axis, the battery pack defines a third axis, the airflow drive assembly defines a fourth axis, the first, second and fourth axes are substantially collinear, and the second axis is parallel to the third axis.

In one embodiment, the battery pack is removably mounted, the handle defines a second axis, and the removal direction of the battery pack is parallel to the second axis.

In one embodiment, the handle has a first end connected to the main housing or the airflow actuating assembly and a free end opposite the first end, and the end of the air hose has an airflow inlet, and the free end and the airflow inlet are located at two opposite ends of the hand-held dust suction device.

In one embodiment, the handle extends in a straight line.

In one embodiment, the cyclone separation part comprises an accommodating bin and a filter positioned in the accommodating bin, and the accommodating bin is detachably connected with the main shell.

In one embodiment, the accommodating bin is disassembled together with the air pipe when being disassembled.

In one embodiment, the free end of the battery pack along the first axis is closer to the air duct than the free end of the handle along the first axis.

In one embodiment, the handheld dust suction device comprises an airflow inlet arranged at the end part of the air duct, the cyclone separation part comprises a dust collection cavity, a partition wall is arranged between the dust collection cavity and at least part of the air duct, and the handle and the battery pack are respectively positioned at two sides of the partition wall.

In one embodiment, at least part of the air duct and at least part of the battery pack together support the hand-held cleaning appliance.

Compared with the prior art, the method has the following beneficial effects: this hand-held type dust catcher through setting the handle to extending along the primary axis of whirlwind separation portion, is located the handle below with the group battery for complete machine compact size is small and exquisite, and the complete machine focus is more reasonable, can adapt to the cleanness of different angles, accords with the human engineering principle, improves operation convenience and comfort level.

[ description of the drawings ]

Fig. 1 is a perspective view of a handheld dust extraction device according to an embodiment of the present application.

Figure 2 is a front view of the hand-held cleaner shown in figure 1.

Figure 3 is a cross-sectional view of the hand-held cleaner shown in figure 1.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. 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 application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 3, a handheld vacuum cleaner according to an embodiment of the present application includes a main housing 10, a cyclone separating unit 30 for separating an airflow, an airflow driving assembly 20 for driving the airflow to generate a negative pressure, a handle 12 for holding the handle, and a battery pack 50 electrically connected to the airflow driving assembly 20, wherein the battery pack 50 is used for providing electric power for operating the airflow driving assembly 20.

The cyclone part 30 is mounted on the main housing 10, and the cyclone part 30 includes a receiving bin 32, a filter 34 located in the receiving bin 32, a separating chamber (not shown) for separating dust and air, and a dust collecting chamber 320 for collecting dust. Wherein a separation chamber is formed inside the filter 34, a dust collecting chamber 320 is defined by the accommodating chamber 32 and an outer surface of the filter 34, an air flow entraining dust performs dust and air separation in the separation chamber, and the separated dust is temporarily stored in the dust collecting chamber 320. To facilitate dumping of dust, the receiving chamber 32 is detachably connected to the main housing 10. In one embodiment, the accommodating chamber 32 and the main housing 10 can also be fixedly connected, but an openable and closable door member is provided on the accommodating chamber 32, so that when dust needs to be poured, the dust can be poured out from the opening of the accommodating chamber 32 by opening the door member.

In one embodiment of the present application, the separation chamber and the dust collection chamber 320 are both located within the storage bin 32, and together form an inner cavity of the storage bin 32. Referring to fig. 2, the cyclonic separating section 30 defines a first axis L1. In one embodiment, the first axis L1 is parallel to or collinear with the axis of the filter 34.

For convenience of illustration, referring to the state of the handheld vacuum cleaner shown in fig. 2, it is defined that the upper side of the drawing of fig. 2 is the top, the lower side is the bottom, one side (right side of the drawing) of the handle 12 is the rear part of the handheld vacuum cleaner, and the other end (the end where the airflow inlet 160 is provided as shown in fig. 3) opposite to the handle 12 is the front part of the handheld vacuum cleaner. The above definitions are for illustrative purposes only and are not to be construed as limiting the scope of the present application.

The handle 12 has an axis of extension along which the handle 12 extends, the axis of extension being determined by the shape of the handle, and may be straight or curved. The handle has a grip area for a user to grasp. In one embodiment, referring to FIG. 2, the handle 12 is in the form of an elongated rod, a linear handle, defining a second axis L2. The extension axis of the handle 12 (i.e., the second axis L2) and the first axis L1 are parallel to each other. Further, the first axis L1 is substantially collinear with the second axis L2, i.e., the handle 12 extends in the direction of the first axis L1.

One end of the handle 12 is connected to the main housing 10 of the hand-held dust suction device, and may be fixedly connected or movably connected, such as rotatably connected or detachably connected, and the other end of the handle 12 is a free end. When the main housing 10 of the hand-held cleaning device comprises a combination of different parts, such as the airflow drive assembly 20 having a separate fan housing, then the main housing also comprises the fan housing, the handle 12 may be connected to the fan housing in the main housing.

In the embodiment shown in fig. 1-3, the handle 12 is attached to the main housing 10, the handle 12 may also be integrally formed with the main housing 10, and the airflow actuating assembly 20 is disposed within the main housing 10. In this embodiment, referring to fig. 1, the handle is a straight handle fixedly connected to the rear of the main housing 10, i.e. the handle 12 is positioned at the rear of the handheld vacuum cleaner, the handle 12 extends rearward beyond the battery pack 50, and the end of the battery pack 50 is positioned in front of the end of the handle 12, so that the main housing 10, the cyclone separation unit 30 and the airflow driving assembly 20 can be supported in front of the user, thereby facilitating the operation of the handheld vacuum cleaner.

The extension axis (the second axis L2) of the handle is a straight line, the cyclone separation part 30, the airflow driving component 20 and the handle 12 are arranged in a straight line, and are arranged in sequence along the direction of the second axis L2, so that the handheld dust suction device is slender and small in size and portable.

In this embodiment, the battery pack 50 is positioned below the handle 12, the user holds the handle 12, the battery pack 50 with a large weight is positioned below the handle 12, and the hand to be held only needs to apply upward lifting force, which saves labor. Specifically, at least a portion of the battery pack 50 is located directly below the handle 12. Since the dust and air separating assembly 30 is located in front of the handle 12, the weight of the cyclone part 30 makes the front of the hand-held dust suction apparatus naturally droop in the case of grasping the handle 12 of the hand-held dust suction apparatus, which facilitates cleaning of lower surfaces such as the floor.

In this embodiment, the battery pack 50 is detachably provided. Specifically, the battery pack 50 is detachably attached to the main body of the hand-held cleaner in a direction substantially parallel to the extending direction of the free end of the handle 12, i.e., the battery pack is attached to or detached from the detachable hand-held cleaner in a direction parallel to the second axis L2. The direction of removal of the battery pack 50 is parallel to the second axis L2 such that the direction of the force on the body of the handheld vacuum appliance when the battery pack 50 is removed is parallel to the direction of the second axis L2 of the handle 12. When the user mounts or removes the battery pack 50, the user holds the handle 12 with one hand for keeping the state of the hand-held dust suction apparatus, and holds the battery pack 50 with the other hand to pull/insert it in a direction parallel to the second axis L2 of the handle 12, the hand holding the handle 12 only needs to apply a torque substantially the same as the pulling/inserting direction, and the operation of detaching and mounting the battery pack is labor-saving. Wherein the body, understood as the body of the hand-held dust collecting device, removes a main portion of the battery pack 50. In this embodiment, the battery pack 50 is attached to the main housing 10, and in another embodiment, the battery pack may also be attached to the fan housing of the airflow driver assembly 20. In another embodiment, the battery pack 50 is non-detachably disposed, the main housing 10 has a receiving cavity for receiving the battery, and the battery pack 50 is received in the receiving cavity of the main housing 10.

In one embodiment, the battery pack 50 is substantially rectangular parallelepiped in shape, and a center line defined parallel to a longitudinal direction of the battery pack 50 is an axis of the battery pack 50. As shown in fig. 2, the axis of the battery pack 50 is a third axis M, the handle 12 and the battery pack 50 are distributed in a direction perpendicular to the first axis L1, and the axis of the handle 12 and the axis of the battery pack 50 are parallel to each other, i.e., the second axis L2 and the third axis M are parallel to each other. Since the first axis L1 is parallel to the second axis L2, that is, the first axis L1, the second axis L2 and the third axis M are parallel to each other, the battery pack 50 and the handle 12 are arranged in a direction perpendicular to the first axis L1/the second axis L2, so that the battery pack 50 is located just below the handle 12 when the handheld vacuum cleaner is lifted by the handle 12 (without applying a yawing moment), and the handheld vacuum cleaner is more comfortable and labor-saving to hold.

The axis of rotation of airflow drive assembly 20 is defined as a fourth axis (not shown). In one embodiment, the first axis L1, the second axis L2, the third axis M and the fourth axis are parallel to each other. So, whole handheld dust collecting equipment's major structure part all arranges along the axis that is parallel to each other for overall structure is compact and exquisite more, is applicable to narrow scene dust absorption, flexible operation. Further, the first axis L1, the second axis L2, and the fourth axis are substantially collinear, and the second axis L2 is parallel to the third axis M. The cell stack 50 is arranged in series spaced apart from the cyclone part 30 in the extending direction of the first axis L1.

Since the handheld vacuum cleaner has a substantially elongated rod shape, the extending direction of which is parallel to the direction of the first axis L1/the second axis L2, the volume of the handheld vacuum cleaner is further miniaturized in order to reduce the radial dimension of the handheld vacuum cleaner. The airflow driving assembly 20 at least partially overlaps the projection of the battery pack 50 in the direction perpendicular to the second axis L2, or the airflow driving assembly 20 at least partially overlaps the projection of the battery pack 50 in the direction perpendicular to the first axis L1. That is, in the axial direction, the airflow drive assembly 20 and the battery pack 50 have a cross-overlapping portion. Therefore, the gravity center layout of the handheld dust collection equipment can be more concentrated, the length of the handheld dust collection equipment is reduced, the handheld dust collection equipment is small in size, and the gravity center layout accords with a man-machine.

In one embodiment, the filter 34 includes at least a cyclonic separation cone at least partially located within the bin 32 for separating dirt from the airflow for temporary storage within the bin 32. The cyclone separation cone can be a multi-stage separation cone or a single-stage separation cone. The main housing 10 is provided with an air outlet 110, and the airflow separated by the cyclone separation cone reaches the airflow driving assembly 20 and then flows out from the air outlet 110.

The hand-held cleaner also has a switch (not shown), here configured as an on and off switch, disposed adjacent the handle 12, for facilitating a user to operate the switch to turn the hand-held cleaner on or off while gripping the handle 12.

The hand-held cleaning appliance comprises an air duct 16, which air duct 16 communicates with the separation chamber and the dirt collection chamber 320. Further, at least a portion of the duct 16 is located to one side of the first axis L1. At least part of the air duct 16 is located on the battery pack 50 in a parallel projection in the direction of the first axis L1. The air duct 16 includes an air inlet 160 at an end thereof through which suction enters the housing bin 32 of the hand-held cleaner device. Referring to FIG. 3, the duct 16 is located outside the cyclonic separating section 30 and communicates with the cyclonic separating section 30, and the airflow inlet 160 and the cyclonic separating section 30 are arranged along a first axis L1, the axis of the airflow inlet 160 being substantially collinear with the first axis L1. Specifically, the axis of extension of the air duct 16, which is located below the first axis L1, passes through the battery pack 50. The handle 12 is coupled to the main housing 10 at a front end thereof and extends in a direction opposite to the air inlet 160 at a rear end thereof.

As shown in fig. 3, the duct 16 has a two-stage structure, and the duct 16 includes a first duct 161 and a second duct 162, wherein an axis of the first duct 161 passes through the cyclone part 30, and an axis of the second duct 162 passes through the battery pack 50. Specifically, the first duct 161 defines an air inlet direction, which is an axial direction of the first duct 161, and the first axis L1 of the cyclone part 30 is parallel to the first axis. The airflow inlet 160 is formed at one end of the first duct 161, the first duct 161 being located in front of the cyclone part 30, and the second duct 162 being located below the cyclone part 30, i.e., below the first axis L1.

In one embodiment, the duct 16 and the cyclone 30 are two separate components, and the duct 16 communicates with the cyclone 30. In another embodiment, the ductwork 16 is part of the cyclonic separation section 30 and the holding bin 32 is removed together with the ductwork 16 when it is removed. Specifically, the air duct 16 and the accommodating chamber 32 are fixedly connected or integrally formed, and when dust needs to be dumped, the accommodating chamber 32 and the air duct 16 are disassembled as an integral main housing 10, and then assembled back as an integral body after the dust is dumped. The air pipe 16 and the accommodating bin 32 are disassembled together, so that the connecting structure is reduced, and the handheld cleaning machine is simpler in structure and more compact in size.

To facilitate support of the handheld cleaning appliance, the cyclonic separating section 30 also comprises a base surface, at least part of the wall of the battery pack 50 and the base surface together supporting the handheld cleaning appliance. In this embodiment, the second conduit 162 may be disposed above the first axis L1 and below the first axis L1, and the base surface is at least a portion of the bottom surface of the air duct 16 when the second conduit 162 is disposed below the first axis L1. I.e., at least a portion of the bottom surface of the air duct 16 is coplanar with at least a portion of the bottom surface of the battery pack 50, thereby collectively supporting the hand-held cleaner device. In another embodiment, the second conduit 162 is flush with or above the first axis L1, and the base surface is formed on a lower surface of the receiving bin 32, the lower surface of the receiving bin 32 being coplanar with a portion of the bottom surface of the battery pack 50, thereby collectively supporting the handheld vacuum cleaner. Preferably, the base surface is parallel to the first axis L1.

The cyclone separation part 30 is detachably connected with the main housing 10 and has a matching wall, the battery pack 50 is located on one side of the plane of the matching wall, a partition wall is arranged between the dust collection chamber 320 and at least a part of the air duct 16, and the handle 12 and the battery pack 50 are respectively located on two sides of the partition wall. In one embodiment, the mating wall extends in a vertical direction, i.e., up and down in FIG. 2; the partition wall extends in the lateral direction, i.e., the front-rear direction in fig. 2. Airflow actuation assembly 20 at least partially overlaps the projection of battery pack 50 in the direction of extension of the mating wall.

The battery 50 has a large mass with its center of gravity located approximately at its geometric center. As shown in fig. 2, the center of gravity is approximately located on the center line parallel to the up-down direction, and in order to achieve better use effect and improve the holding experience, the handheld dust suction device is arranged such that the center of gravity of the whole handheld dust suction device is located in front of the center line of the battery pack 50 in the up-down direction. The center line of the battery pack 50 in the up-down direction passes through the handle 12.

Further, the battery pack 50 extends in a direction parallel to the first axis L1 and has a free end that is adjacent the rear of the hand held cleaner. Similarly, the handle 12 has a first end connected to the main housing 10 or the airflow actuating assembly 20 and a free end opposite the first end, the free end and the airflow inlet 160 being located at opposite ends of the hand-held cleaner. The free end of the battery pack 50 is closer to the airflow inlet 160 than the free end of the handle 12. That is, the handle 12 has a free end extending rearward in a direction parallel to the first axis L1, the free end of the battery pack 50 being closer to the airflow inlet 160 than the free end of the handle 12. That is, the free end of the handle 12 is closer to the rear of the handheld suction device than the free end of the battery pack 50. Further, the free end of the battery pack 50 is closer to the air intake duct 16 than the free end of the handle 12. That is, the farthest position at which the handle 12 extends rearward is larger than the farthest position at which the battery pack 50 extends rearward, and a projection of the handle 12 in a direction perpendicular to the axis of the battery pack 50 at least partially protrudes from the battery pack 50. Therefore, a user can conveniently grasp the tail of the handheld dust collection equipment, and the weight part and the like are supported in front of the handle 12, so that dust collection operation is facilitated.

The handheld dust suction device may further include a dust suction pipe (not shown) and a dust suction working head (not shown), wherein one end of the dust suction pipe is connected to the airflow inlet 160, and the other end of the dust suction pipe is connected to the dust suction working head, and the dust suction working head is used for contacting the cleaning surface, so that dust enters the dust suction pipe along with the dust suction working head. The dust-absorbing working heads can be in various forms to adapt to different working surfaces, and one of the dust-absorbing working heads is directly connected to the airflow inlet or indirectly connected to the airflow inlet through an intermediate connecting piece such as a dust-absorbing pipe. The dust suction pipe can also be fixedly connected with the dust suction working head, or the dust suction pipe is directly constructed into a structure which is contacted with the cleaning surface for dust suction.

In one embodiment, an airflow actuating assembly 20 is disposed within the main housing 10, the airflow actuating assembly 20 being used to actuate the airflow to generate the negative pressure. The airflow driving assembly 20 includes a motor and an impeller drivingly connected to the motor, and when the airflow driving assembly 20 operates, the motor drives the impeller to rotate to generate a negative pressure, and the suction object is sucked into the accommodating chamber 32 through the airflow inlet under the action of the negative pressure.

In order to reduce the pollution of the outflow air to the external environment, the handheld dust suction equipment further comprises an air inlet assembly and an air outlet assembly which are used for filtering the airflow. Wherein, the air inlet subassembly is located the low reaches of filter 34 in the air current flow direction, and the air current drive assembly 20's upper reaches, the filtering action of the air inlet subassembly of the air current after filter 34 separation filters most dust in the air current, can reduce the dust volume that gets into air current drive assembly 20, reduces the pollution to air current drive assembly 20. The air-out subassembly sets up in the circumference of motor for carry out further filtration to the air current and purify, make the external air of discharge satisfy the cleanliness factor requirement, avoid causing the pollution to external environment. Specifically, the air inlet assembly is a filter sponge, and the air outlet assembly is an air outlet HEPA.

The projection in a certain direction in the present application is understood to be a positional relationship of a planar light parallel to the direction, which is projected on a plane perpendicular to the direction by orthographic projection.

The above is only one specific embodiment of the present application, and any other modifications based on the concept of the present application are considered as the protection scope of the present application.

Claims

1. A hand-held dust extraction apparatus, comprising:

a main housing;

2. The handheld vacuum device of claim 1, wherein the handle defines a second axis, the battery pack defines a third axis, the airflow drive assembly defines a fourth axis, the first, second, and fourth axes being substantially collinear, the second axis being parallel to the third axis.

3. The handheld vacuum device of claim 2, wherein the battery pack is removably mounted, the handle defines a second axis, and the removal direction of the battery pack is parallel to the second axis.

4. The handheld vacuum device of claim 1, wherein the handle has a first end connected to the main housing or the airflow actuating assembly and a free end opposite the first end, the end of the air hose having an airflow inlet, the free end being opposite the airflow inlet.

5. A hand-held cleaning appliance according to claim 4, wherein the handle extends in a straight line.

6. The handheld dust extraction device of claim 1, wherein the cyclonic separation section includes a receptacle and a filter located in the receptacle, the receptacle being removably connectable to the main housing.

7. The hand-held cleaning device according to claim 6, wherein the receiving chamber is removable together with the air hose.

8. The handheld vacuum device of claim 1, wherein a free end of the battery pack along a first axis is closer to the air hose than a free end of the handle along the first axis.

9. The handheld dust collecting device as claimed in claim 1, wherein the handheld dust collecting device comprises an airflow inlet arranged at an end of the air duct, the cyclone separation part comprises a dust collecting cavity, a partition wall is arranged between the dust collecting cavity and at least part of the air duct, and the handle and the battery pack are respectively arranged at two sides of the partition wall.

10. The handheld vacuum device of claim 1, wherein at least a portion of the air hose supports the handheld vacuum device in cooperation with at least a portion of the battery pack.