CN216135763U - Hand-held vacuum cleaner - Google Patents

Abstract

A hand-held vacuum cleaner comprising: a main housing; a handle; the fan assembly is arranged in the main shell; the battery pack is electrically connected with the fan assembly; the dust cup is detachably connected with the main shell, and the dust cup, the main shell and the handle are sequentially arranged in a straight line shape; air-out filter assembly sets up the low reaches of fan assembly in the air current flow direction, fan assembly includes that motor and cover establish at the motor of motor outlying cover, form installation space between the lateral wall of motor cover and the main casing body, air-out filter assembly detachable holds in installation space, under the condition of dust cup from main casing body dismantlement, installation space exposes to the one end of dust cup, air-out filter assembly can be lifted off from installation space along the direction that deviates from the handle by the operation ground. The application provides a handheld dust catcher, air-out filtering component's dismantlement direction deviates from the direction of handle, and it is convenient to dismantle, is difficult for causing secondary pollution.

Description

Hand-held vacuum cleaner

[ technical field ] A method for producing a semiconductor device

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

[ background of the utility model ]

The handheld vacuum cleaner, referred to as a handheld cleaner for short, is light in weight, adopts a battery for power supply, is not bound by a power cord when in use, is particularly convenient for cleaning large areas and spot cleaning tasks, and is widely popular with users.

Handheld dust catcher, generally including cyclone, the fan subassembly, the dirt cup, filtering component etc, though foul and dust in the air current that two-stage cyclone can effectual separation get into, still need set up air inlet filtering component in cyclone's low reaches and fan subassembly's upper reaches, reduce the dust and get into fan subassembly and cause the risk of pollution, and, set up high-efficient air-out filtering component in fan subassembly's low reaches, further filter dust and dirty in the air current before the air current is discharged to the environment, make the air current of discharge environment satisfy the cleanliness factor requirement, avoid causing environmental pollution, improve user experience.

It is understood that the filter assembly is inevitably attached with a large amount of dust after long-term use, and the filtering effect thereof is deteriorated. Therefore, the filter assembly is typically provided in a removable manner, which facilitates removal, cleaning, or replacement by the user when the filter assembly needs to be cleaned. The filter assembly of the existing handheld dust collector is usually detached from the tail end direction of the handle, and dust on the filter assembly easily falls on the handle or a detached table top or the surface of a machine body during detachment, so that secondary pollution is formed, and troubles are brought to a user.

[ Utility model ] content

The utility model aims to provide a portable handheld dust collector, and the disassembly of an air outlet filtering component can not pollute the handheld dust collector.

The purpose of the utility model is realized by the following technical scheme:

a hand-held vacuum cleaner comprising:

a main housing;

a handle having a gripping area for a user to grip, the handle being attached to or integrally formed with the main housing;

the fan assembly is arranged in the main shell and used for driving airflow to generate negative pressure;

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

the dust-air separation assembly is detachably connected with the main shell and comprises a dust cup and a cyclone separator at least partially arranged in the dust cup, and the dust cup, the main shell and the handle are sequentially arranged in a straight line shape;

air-out filter assembly sets up in the air current flow direction fan assembly's low reaches, fan assembly includes the motor and covers and establish motor outlying motor cover, the motor cover with form installation space between the lateral wall of the main casing body, air-out filter assembly detachable hold in installation space dust and gas separation assembly follows under the condition that the main casing body was dismantled, installation space faces dust and gas separation assembly's one end exposes, air-out filter assembly can be operated ground along deviating from the direction of handle is followed installation space is lifted off.

In one embodiment, the outlet air filter assembly is detachably connected to the motor cover or the inner wall of the main housing.

In one embodiment, the air outlet filter assembly is cylindrical and is sleeved on the motor cover.

In one embodiment, the outlet air filter assembly is detached and installed along the axial direction of the fan assembly.

In one embodiment, the handle is a straight handle, and the centerline of the handle is parallel or collinear with the axis of the blower assembly.

In one embodiment, the dust cup further comprises an air inlet pipe, one end of the air inlet pipe is provided with an air inlet, the other end of the air inlet pipe is communicated with the dust cup, and the air inlet pipe is configured to be detached and installed from the main shell together with the dust cup.

In one embodiment, the air inlet duct includes a first air duct and a second air duct, an axis of the first air duct passes through the fan assembly, and the second air duct is located at a side wall of the dust cup.

In one embodiment, the axis of the airflow inlet is collinear with the axis of the fan assembly.

In one embodiment, the handle has a receiving space therein, and at least a part of the battery pack is disposed in the receiving space.

In one embodiment, the cyclone separator is configured to be removed and installed from the main housing with the dirt cup.

Compared with the prior art, the utility model has the following beneficial effects:

the application provides a handheld dust collector, dirt gas separation subassembly dismantle the back, and air-out filter assembly's installation space one end exposes, exposes the end through changing and can operate air-out filter assembly and dismantle along the direction that deviates from the handle, at the dismantlement in-process, and the dust on the air-out filter assembly should not drop on the handle or the fuselage of handheld dust collector, avoids secondary pollution.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is an angular schematic view of a hand-held vacuum cleaner according to the present application.

Fig. 2 is a schematic view of the hand-held cleaner shown in fig. 1 from another angle.

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

Fig. 4 is a sectional view schematically showing the hand-held cleaner of the embodiment of fig. 3 in a disassembled state.

[ 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 4, a handheld vacuum cleaner according to an embodiment of the present application includes a main housing 10, a handle 12, an air inlet duct 16, a dust-air separating assembly, a fan assembly 20, and a battery pack 60.

The fan assembly 20 is used to drive the airflow to create the negative pressure. The fan assembly 20 is disposed in the main housing 10 and includes a motor 21 and an impeller 22 drivingly connected to the motor 21, when the fan assembly 20 is operated, the motor 21 drives the impeller 22 to rotate to generate a negative pressure, and under the negative pressure, the airflow enters the cyclone separator 40 from the air inlet duct 16.

The battery pack 60 is used to power the fan assembly 20. The battery pack 60 includes a plurality of battery cells, and in order to reduce the weight of the handheld vacuum cleaner, the battery cells used in this embodiment are all lithium ion battery cells.

Wherein the dirt-gas separation assembly includes a dirt cup 14 and a cyclone separator 40, the cyclone separator 40 being disposed within the dirt cup 14. The air inlet duct 16 has an air inlet 160 at one end and communicates with the cyclone separator 40 or the dirt cup 14 at the other end. The cyclonic separator 40 serves to separate dirt and gas from the airflow, and the separated dirt and dust is temporarily stored in the dirt cup 14. The cyclone separator 40 may be a multi-stage cyclone separator or a single-stage cyclone separator. When the hand-held cleaner is in an operating state, the fan assembly 20 operates to form a suction airflow under the action of negative pressure, the suction airflow enters the cyclone separator 40 of the hand-held cleaner through the airflow inlet 160, large-particle dirt and dust are stored in the dust cup 14 after being separated in the cyclone separator 40, and the separated airflow flows to one side of the fan assembly 20.

With continued reference to fig. 1 and fig. 2, the main housing 10 is provided with an air outlet 100 for allowing air to flow out. The air outlet 100 is located at a side of the fan assembly 20. Specifically, on the side of the motor 21. Referring to the handheld vacuum cleaner shown in fig. 2, the outlet 100 is formed at the left and right sides of the main housing 10 and is disposed opposite to each other. In a normal holding state, one side of the handheld dust collector shown in fig. 2 faces downward, the air discharged from the air outlet 100 blows out to the left and right sides of the body of the user, and the user cannot feel the blown air flow, so that the use experience is good.

The handle 12 takes the form of an elongate handgrip arranged so that a user grips the handle 12 to operate the hand-held cleaner, with a gripping region for gripping by the user. The handle 12 has a centerline along which the handle 12 extends, the centerline being defined by the shape of the handle 12 and may be straight or have a curvature. The handle 12 is connected to the main housing 10, and may be fixed or movable, such as rotatable or detachable. Of course, the handle 12 and the main housing 10 may be integrally formed. In this embodiment, referring to fig. 1, the handle 12 is a straight handle, and the center line of the handle 12 is a straight line and is fixedly connected to the rear of the main housing 10, that is, the handle 12 is positioned at the rear of the handheld cleaner, so that the main housing 10, the air inlet duct 16 and the fan assembly 20 can be supported in front of a user, thereby facilitating the operation of the handheld cleaner.

The hand-held cleaner also has a switch 13, which is configured here as an on and off switch, the switch 13 being disposed adjacent the handle 12, facilitating a user to operate the switch to turn the hand-held cleaner on or off while gripping the handle 12.

Referring to fig. 1, the handle 12, the main housing 10 and the dirt cup 14 are arranged in a straight line, so that the handheld vacuum cleaner is slim and portable. Because the handle 12 is a linear handle, i.e. the central line of the handle 12 is a straight line, the handle 12 is further arranged parallel to the axis of the fan assembly 20, so that the volume of the handheld dust collector is more compact.

In order to reduce the pollution of the air flow discharged from the air outlet 100 to the external environment, the handheld vacuum cleaner further includes an air filtering assembly 50 for filtering the air flow. Air-out filtering component 50 sets up in motor 21's circumference 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 outlet filtering component 50 is a High Efficiency Air Filter, which is called High Efficiency Particulate Air Filter (HEPA) for short. The high-efficiency air filter is mainly used for trapping particle dust and various suspended matters with the particle size of more than 0.5 mu m, has high filtering efficiency and low flow resistance, and can be continuously used for a long time so as to reduce the cost of later-stage consumables.

However, as the usage time is accumulated, the flow resistance of the outlet air filter assembly 50 increases due to the increase of the amount of dust adhering thereto, and the filtering effect is reduced, and the outlet air filter assembly 50 may be disassembled and cleaned to maintain the filtering effect. In this embodiment, air-out filtering component 50 detachable sets up to can dismantle the clearance. Specifically, referring to fig. 3 and 4, the fan assembly 20 further includes a motor cover 23 covering the periphery of the motor 21, an installation space 120 for accommodating the outlet air filter assembly 50 is formed between the motor cover 23 and the side wall of the main housing 10, and the outlet air filter assembly 50 is detachably accommodated in the installation space 120.

In one embodiment, the outlet air filter assembly 50 is in a sleeve shape and is sleeved on the motor cover 23. The air outlet 100 is opened at a wall defining the installation space 120. After being filtered by the outlet air filter assembly 50, the air flows out from the outlet 100.

It can be understood that if the disassembly operation is complicated or the disassembly path is not reasonable, the dust on the air outlet filter assembly 50 easily drops on the handheld dust collector in the disassembly process, so that secondary pollution is caused, the user needs to clean again, and the user is troubled. In this embodiment, referring to fig. 4, in order to reduce the risk of contaminating other articles by detaching the air outlet filter assembly 50, the detaching direction of the air outlet filter assembly 50 is set to be a direction away from the handle 12. The arrow in fig. 4 shows the installation direction of the outlet air filter assembly 50, and the direction opposite to the installation direction is the removal direction, and the removal path and the installation path of the outlet air filter assembly 50 are the same.

In this embodiment, the dust-gas separation assembly is detachably disposed. Referring to fig. 3, the dust and air separating assembly is detachably attached to the main housing 10, and the dust and air separating assembly is detached in a direction away from the handle 12. In the case where the dust-air separating assembly is detached from the main housing 10, the end of the mounting space 120 originally facing the dust-air separating assembly is exposed, the end of the outlet air filter assembly 50 is exposed, and the user can operate the outlet air filter assembly 50 to detach from the mounting space 120 in a direction away from the handle 12.

In one embodiment, the removal direction and the installation direction of the outlet air filter assembly 50 are both parallel to the axial direction of the fan assembly 20. In this embodiment, the handle 12 is a straight handle having a straight centerline that is parallel or collinear with the axis of the fan assembly 20. That is to say, the dismantlement direction of air-out filter assembly 50 is parallel or the collineation in the axis direction of handle 12, and in this embodiment, the dismantlement direction of air-out filter assembly 50 is in the axis direction collineation of handle 12, so, convenience of customers one hand holds the handle, and another hand operation air-out filter assembly 50 is along the opposite direction application of force in order to dismantle air-out filter assembly 50 with the hand of holding handle 12, and the operation is laborsaving, the step is succinct.

In the scene of usually dismantling, grip handle 12 makes main casing body 10 be located the below of handle 12, aims at the garbage bin with the exposed end of installation space 120, extracts wind filter component 50 downwards, and wind-out filter component 50 is lifted off along decurrent route, and the dust of shaking off directly drops in the garbage bin, and the dismantlement route does not pass through parts such as main casing body, handle, therefore the dust is difficult for spilling on handheld dust catcher, does not need the secondary clean, improves user experience.

To simplify disassembly of the outlet filter assembly 50. In one embodiment, the cyclonic separator 40 is configured to be removed and installed from the main housing 10 along with the dirt cup 14. The cyclone separator 40 is located at the upstream of the fan assembly 20 and near the airflow inlet 160, the cyclone separator 40 is connected with the dust cup for disassembly, so that the installation space 120 is directly exposed, and the disassembly and assembly operation steps of the air outlet filter assembly 50 are simple.

In one embodiment, the outlet air filter assembly 50 is detachably connected to the motor cover 23, and in another embodiment, the outlet air filter assembly 50 is detachably connected to the inner wall of the main housing 10.

In one embodiment, the air inlet duct 16 and the cyclone 40 are two separate pieces, and the air inlet duct 16 communicates with the cyclone 40. In another embodiment, the air inlet duct 16 is part of a cyclonic separator 40, and the dirt cup 14 is removed along with the air inlet duct 16. Specifically, the air inlet duct 16 is fixedly connected to or integrally formed with the dust cup 14, and when dust needs to be poured, the dust cup 14 and the air inlet duct 16 are detached from the main housing 10 as a whole, and then the dust is poured and installed back as a whole. The air inlet duct 16 is removed from and installed in the main housing 10 together with the dust cup 14, so that the number of connection structures is reduced, and the handheld cleaner is simpler in structure and more compact in size.

To prevent dust from entering the fan assembly 20 and contaminating the motor, the hand-held cleaner further includes an inlet filter assembly 30 disposed upstream of the fan assembly 20. Wherein, the air inlet filter assembly 30 is located the low reaches of cyclone 40 on the air current flow direction, and fan assembly 20's upper reaches, the filtering action of air current through air inlet filter assembly 30 after cyclone 40 separates filters most dust in the air current, can reduce the dust volume that gets into fan assembly 20, reduces the pollution to fan assembly 20. Specifically, the intake air filtering component 30 is a filtering sponge.

The dust suction pipe 11 can be connected with a dust suction working head which is used for contacting the cleaning surface so that dust enters the dust suction pipe 11 along with the dust suction working head. The dust-collecting working heads can be of various types to adapt to different working surfaces, and one of the dust-collecting working heads is connected to the dust-collecting inlet 110. The dust suction pipe 11 can also be fixedly connected with the dust suction working head, or the dust suction pipe 11 is directly constructed into a structure which is contacted with the cleaning surface for dust suction.

In order to ensure the portability of the handheld dust collector, at least part of the battery pack 60 is arranged in the handle 12, and the existing internal space of the handle 12 is used for accommodating the motor, so that the overall volume of the handheld dust collector can be reduced, and the handheld dust collector is smaller. Specifically, the handle 12 has an accommodating space therein, and at least a part of the battery pack 60 is disposed in the accommodating space.

In order to ensure the dust collection capacity of the handheld dust collector, the embodiment of the application adopts large current to work. When the hand-held cleaner is in a dust collection working state, the current output by the battery pack 60 is more than or equal to 5A. The working current higher than 5A is adopted, so that strong energy supply is provided for the handheld dust collector, larger suction force is generated, and the dust collection effect is better. In one embodiment, the battery pack 60 outputs a current in a range of 10A-30A, which is better in dust-absorbing capability.

In this embodiment, the battery pack 60 includes a plurality of battery cells, specifically, 6 battery cells are taken as an example for illustration, please refer to fig. 2 and fig. 3, along the central line direction of the handle 12, the 6 battery cells are arranged in two rows, each row has 3 battery cells connected to each other at the head, the two rows of battery cells are arranged in parallel, each battery cell is substantially parallel to the central line direction of the handle 12, the battery pack 60 formed by the two rows of battery cells is substantially a rectangular parallelepiped, the height of the battery pack is the diameter of two battery cells, the width of the battery pack is the diameter of one battery cell, and the length of the battery pack is the length of 3 battery cells. So set up, be favorable to the temperature of group battery 60 to scatter and disappear, can be littleer to the diameter of handle 12 moreover, accord with the comfortable requirement that the staff gripped, can not too thick lead to gripping uncomfortable.

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

Claims (10)

1. A hand-held cleaner, comprising:

a main housing (10);

a handle (12), said handle (12) being connected to said main housing (10) or being integrally formed with said main housing (10), having a gripping area for a user to grip;

a fan assembly (20) disposed within the main housing (10) for driving an air flow to generate a negative pressure;

a battery pack (60) electrically connected to the fan assembly (20) for providing electrical power for operation of the fan assembly (20);

the dust-gas separation assembly is detachably connected to the main shell (10) and comprises a dust cup (14) and a cyclone separator (40) at least partially arranged in the dust cup (14), and the dust cup (14), the main shell (10) and the handle (12) are sequentially arranged in a straight shape;

the air outlet filter assembly (50) is arranged at the downstream of the fan assembly (20) in the airflow flowing direction, the fan assembly (20) comprises a motor (21) and a motor cover (23) covering the periphery of the motor (21), an installation space (120) is formed between the motor cover (23) and the side wall of the main shell body (10), the air outlet filter assembly (50) is detachably accommodated in the installation space (120), under the condition that the air outlet filter assembly (50) is detached from the main shell body (10), one end, facing the air outlet filter assembly (50), of the installation space (120) is exposed, and the air outlet filter assembly (50) can be detached from the installation space (120) in a direction deviating from the handle (12) in an operation mode.

2. The hand-held cleaner according to claim 1, wherein the outlet filter assembly (50) is detachably attached to the motor cover (23) or an inner wall of the main housing (10).

3. The handheld vacuum cleaner as claimed in claim 2, wherein the outlet air filter assembly (50) is cylindrical and is sleeved on the motor cover (23).

4. The hand-held cleaner according to claim 1, wherein the outlet filter assembly (50) is removable and attachable along an axial direction of the fan assembly (20).

5. The hand-held cleaner of claim 4, wherein the handle (12) is a straight handle, and a centerline of the handle (12) is parallel or collinear with an axis of the fan assembly (20).

6. The hand-held cleaner of claim 1, further comprising an air inlet duct (16), the air inlet duct (16) having an air inlet (160) at one end and communicating with the dirt cup (14) at another end, the air inlet duct (16) being configured to be removed and installed from the main housing (10) with the dirt cup (14).

7. The hand-held cleaner of claim 6, wherein the air inlet duct (16) comprises a first air duct (161) and a second air duct, the first air duct (161) having an axis passing through the fan assembly (20), the second air duct (162) being located at a side wall of the dirt cup (14).

8. The hand-held cleaner of claim 6, wherein an axis of the airflow inlet (160) is collinear with an axis of the fan assembly (20).

9. The hand-held cleaner according to claim 1, wherein the handle (12) has a receiving space therein, at least a portion of the battery pack (60) being disposed in the receiving space.

10. The hand-held cleaner according to claim 1, wherein the cyclonic separator (40) is removable and installable from the main housing (10) together with the dirt cup (14).

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