CN218186600U

CN218186600U - Hand-held vacuum cleaner with filter assembly

Info

Publication number: CN218186600U
Application number: CN202222342181.9U
Authority: CN
Inventors: 马骏
Original assignee: Suzhou Haisi Electric Appliance Co ltd
Current assignee: Suzhou Haisi Electric Appliance Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-03
Anticipated expiration: 2032-09-01

Abstract

The utility model provides a handheld dust catcher with filtering component has organism in the organism chamber, sets up in organism chamber below and the dirt cup that is connected with the organism, sets up the filtering component in the dirt cup and set up in dirt cup top and accept in the organism intracavity and be located the motor in filtering component low reaches, wherein filtering component includes that whirlwind filters the piece, is located the second grade of whirlwind filtration piece low reaches and filters the piece and be used for fixed second grade to filter the filter frame that just is located the motor upper reaches, just the second grade filters piece at least part and is shielded by whirlwind filtration piece. The utility model discloses the advantage: improve separation performance, simple structure and the second grade is filtered at least partly by whirlwind filter piece in the central axis direction and is shielded, reduces the filter assembly height.

Description

Hand-held vacuum cleaner with filter assembly

Technical Field

The utility model relates to a clean field especially relates to a handheld dust catcher with filtering component.

Background

Adopt one-level whirlwind screen panel to carry out the separation of whirlwind dirt gas in the dirt cup of current handheld dust catcher, however this separation performance is limited, causes the dust to get into the motor easily, influences the motor performance, has to adopt second grade whirlwind separation for improving separation performance, and its structure is complicated and increase the organism height easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handheld dust catcher with filtering component improves the separation performance, and simple structure and second grade filter at least part are shielded by whirlwind filter piece in the central axis direction of piece, reduce the filtering component height.

To achieve the purpose of the utility model, the utility model provides a technical scheme: a hand-held vacuum cleaner having a filter assembly, comprising: the dust filter comprises a machine body with a machine body cavity, a dust cup arranged below the machine body cavity and connected with the machine body, a filter assembly arranged in the dust cup, and a motor arranged above the dust cup, accommodated in the machine body cavity and located at the downstream of the filter assembly, wherein the filter assembly comprises a cyclone filter piece, a secondary filter piece located at the downstream of the cyclone filter piece, and a filter frame used for fixing the secondary filter piece and located at the upstream of the motor, and at least part of the secondary filter piece is shielded by the cyclone filter piece.

On the basis of the technical scheme, the method further comprises the following subsidiary technical scheme:

the cyclone filter piece comprises a fixing ring, a guide part, one end, a plurality of connecting ribs, a mesh cover and a dust collecting cylinder, wherein the guide part is connected with the bottom of the fixing ring and forms tangential air inlet, the one end is connected with the bottom of the fixing ring, the mesh cover is fixed by the connecting ribs and has a plurality of meshes, and the dust collecting cylinder is connected with the other end of the connecting ribs.

The secondary filter piece is a hollow filter piece, and the central axis of the secondary filter piece is coincided with the central axis of the dust collecting cylinder.

The air outlet cover plate is arranged above the motor cover plate and used for closing the motor cover plate.

The motor is characterized by further comprising a battery accommodated in the machine body cavity and used for supplying power to the motor, a battery upper cover plate arranged above the battery and at least partially shielding the upper part of the machine body cavity, and battery side cover plates matched with the battery upper cover plate and at least partially shielding two sides of the battery.

The filter frame is at least partially inserted into the center of the secondary filter element and allows airflow to pass through the filter frame, and a rotary locking structure is arranged between the fixing ring and the filter frame.

The dirt cup includes a suction opening at a front end, and a rotatably openable bottom cap at a bottom end, wherein the suction opening is upstream of the filter assembly.

The organism includes that one end and organism chamber adjacent handle, one end and the organism connecting portion that the handle bottom is connected and the organism lateral wall that links to each other with the organism connecting portion other end, and wherein organism lateral wall top is adjacent with the organism chamber.

The trigger switch assembly is arranged on the handle and close to the machine body cavity.

Compared with the prior art, the utility model discloses there is following positive effect: improve the separation performance, simple structure and reduce the height of the filtering component.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded view of the present invention;

fig. 2 is a perspective view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a perspective view of the middle trigger body of the present invention;

fig. 5 is a perspective view of the switch fixing plate of the present invention.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The embodiment is as follows: as shown in fig. 1-5, an embodiment of a hand-held vacuum cleaner having a filter assembly is disclosed, comprising: the trigger switch assembly 900 comprises a trigger body 901, a switch fixing plate 920 pivotally connected with the trigger body 901, and a micro switch 940 which is fixed by the switch fixing plate 920 and driven by the trigger body 901 to operate.

The housing 100 is an integrally molded plastic injection member. The body 100 includes a body connecting portion 180 having one end connected to the bottom of the handle 140 and a body sidewall 160 connected to the other end of the body connecting portion 180, wherein the top of the body sidewall 160 is adjacent to the body cavity 120, and the handle 140, the body sidewall 160 and the body connecting portion 180 are integrally formed. The body cavity 120 and the body connection part 180 are located at the top and bottom ends of the body 100, respectively. The body side walls 160 and the handle 140 are located at the front and rear ends of the body 100.

The present embodiment further includes a dust cup 200 disposed below the machine body cavity 120 and adjacent to the machine body sidewall 160, a motor 600 disposed above the dust cup 200 and received in the machine body cavity 120, a motor cover plate 700 disposed above the motor 600 and at least partially closing the machine body cavity 120, an air outlet cover plate 720 disposed above the motor cover plate 700 and closing the motor cover plate 700, a battery 800 received in the machine body cavity 120 and located above the trigger switch assembly 900, a battery upper cover plate 740 disposed above the battery 800 and at least partially shielding the machine body cavity 120, and a battery side cover plate 760 engaged with the battery upper cover plate 740 and at least partially shielding both sides of the battery 800.

The dirt cup 200 includes a suction port 220 at a front end, a bottom cover 240 at a bottom end and rotatably openable, a cyclone filter 300 positioned therein downstream of the suction port 220, a secondary filter 400 positioned downstream of the cyclone filter 300, and a filter holder 500 for holding the secondary filter 400 upstream of the motor 600. The cyclone filter 300 includes a fixing ring 310, a guide portion 312 connected to the bottom of the fixing ring 310 and forming a tangential air inlet, a plurality of connection ribs 314 having one end connected to the bottom of the fixing ring 310 and circumferentially spaced, a mesh enclosure 320 fixed by the connection ribs 314 and having a plurality of meshes, and a dust collection tube 340 connected to the other end of the connection ribs 314. The secondary filter 400 is a hollow cylindrical HEPA, and the central axis thereof coincides with the central axis of the dust collecting cylinder 340. The filter holder 500 is inserted at least partially into the center of the secondary filter 400 and allows airflow therethrough. A rotary lock structure is arranged between the fixing ring 310 and the filter frame 500.

The trigger body 901 includes a contact surface 902 disposed on one side of the main body 901, an action surface 904 disposed on the other side of the main body 901, an action portion 903 disposed on the action surface 904 and contacting with the micro switch 940 to be operable, and a rotation shaft 906 disposed on the top, wherein the switch fixing plate 920 has a rotation shaft hole 922 matching with the rotation shaft 906.

The switch fixing plate 920 includes a plate body 921, the setting is at plate body 921 one end and with organism 100 fixed connection's first fixed orifices 923, the setting is at the plate body 921 other end and with organism 100 fixed connection's second fixed orifices 925, and set up on plate body 921 and be located between first fixed orifices 923 and the second fixed orifices 925 and at least the part mounting hole 924 of acceping micro-gap switch 940, wherein mounting hole 924 is adjacent with second fixed orifices 925, and pivot hole 922 is adjacent with first fixed orifices 923. The extending direction of the contact surface 902 and the extending direction of the operating portion 903 form an acute angle with each other. The motor 600, the battery 800 and the micro switch 940 are connected through a lead wire, and the lead wire passes through the mounting hole 924. The mounting hole 924 is in communication with the housing cavity 120 and is located below the battery 800.

The utility model has the advantages that: improve separation performance, simple structure and the second grade is filtered at least partly by whirlwind filter piece in the central axis direction and is shielded, reduces the filter assembly height.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and all such modifications and improvements are intended to be covered by the protection scope of the present invention.

Claims

1. A hand-held cleaner having a filter assembly, comprising: the machine comprises a machine body (100) with a machine body cavity (120), a dust cup (200) arranged below the machine body cavity (120) and connected with the machine body (100), a filtering component arranged in the dust cup (200), and a motor (600) arranged above the dust cup (200), accommodated in the machine body cavity (120) and located at the downstream of the filtering component, wherein the filtering component comprises a cyclone filtering piece (300), a secondary filtering piece (400) located at the downstream of the cyclone filtering piece (300), and a filtering rack (500) used for fixing the secondary filtering piece (400) and located at the upstream of the motor (600), and at least part of the secondary filtering piece (400) is shielded by the cyclone filtering piece (300).

2. The hand-held vacuum cleaner with a filter assembly according to claim 1, wherein the cyclone filter (300) comprises a fixing ring (310), a guide portion (312) connected to the bottom of the fixing ring (310) and forming a tangential air inlet, a plurality of connection ribs (314) having one end connected to the bottom of the fixing ring (310) and circumferentially spaced, a mesh cover (320) fixed by the connection ribs (314) and having a plurality of meshes, and a dust collection cylinder (340) connected to the other end of the connection ribs (314).

3. The hand-held vacuum cleaner with filter assembly according to claim 2, wherein the secondary filter element (400) is a hollow filter element having a central axis coinciding with the central axis of the dust cartridge (340).

4. The hand-held vacuum cleaner with a filter assembly of claim 3, further comprising a motor cover plate (700) disposed over the motor (600) and at least partially closing the machine cavity (120), and a vent cover plate (720) disposed over the motor cover plate (700) and closing the motor cover plate (700).

5. The hand-held cleaner with a filter assembly according to claim 4, further comprising a battery (800) received in the body cavity (120) and supplying power to the motor (600), a battery top cover (740) disposed over the battery (800) and at least partially covering the body cavity (120), and a battery side cover (760) engaged with the battery top cover (740) and at least partially covering both sides of the battery (800).

6. The hand-held vacuum cleaner with a filter assembly according to claim 3, wherein the filter holder (500) is at least partially inserted into the center of the secondary filter element (400) and allows airflow therethrough, and wherein a rotational locking structure is provided between the fixing ring (310) and the filter holder (500).

7. The hand-held cleaner having a filter assembly of claim 1 or 2 or 3 or 4 or 5, wherein: the dirt cup (200) includes a suction opening (220) at a front end, and a rotatably openable bottom cap (240) at a bottom end, wherein the suction opening (220) is located upstream of the filter assembly.

8. The hand-held cleaner with a filter assembly according to claim 1, 2, 3, 4 or 5, wherein the body (100) includes a handle (140) having one end adjacent to the body cavity (120), a body connecting portion (180) having one end connected to a bottom of the handle (140), and a body sidewall (160) connected to the other end of the body connecting portion (180), wherein a top of the body sidewall (160) is adjacent to the body cavity (120).

9. The hand-held vacuum cleaner having a filter assembly of claim 8, further comprising a trigger switch assembly (900) disposed on the handle (140) proximate the body cavity (120).