CN116439601A

CN116439601A - Hand-held dust collector

Info

Publication number: CN116439601A
Application number: CN202210010872.0A
Authority: CN
Inventors: 周肃虎; 胡建林; 袁旭东; 唐碧异; 黄苗青
Original assignee: Jinhua Jinshun Tools Co Ltd
Current assignee: Jinhua Jinshun Tools Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2023-07-18

Abstract

A hand-held dust collector comprises a shell, a filtering component and a motor component; the shell comprises a dust collection shell and a main shell, the dust collection shell is provided with a dust collection pipe, and the front end of the main shell is provided with a dust cup; the dust collection shell is positioned in front of the main shell, the dust collection shell is detachably connected with the main shell, and the dust collection pipe is communicated with the dust cup; the main casing is equipped with handheld portion, and filtration subassembly and motor element all set up in the main casing. The invention is convenient for users to pour dust. When the user needs to pour out the dust in the dust cup, only the dust collection shell is detached from the main shell, the hand-held part arranged on the main shell is held to reverse the main shell, and the operation is simple, convenient and quick.

Description

Hand-held dust collector

Technical Field

The present invention relates to a vacuum cleaner.

Background

The dust collector is a common dust collection tool for families, and the working principle of the dust collector is that a motor is used for driving a blade to rotate at a high speed, and air negative pressure is generated in a sealed shell to suck dust. The dust collector can be divided into a vertical type, a horizontal type and a handheld type according to the structure. Among them, the hand-held cleaner is widely used because of its small size, light weight, and convenient use and storage.

Let handheld dust catcher structure simpler, the function more various, use experience good (for example fall dirt, dismantle dirt bucket etc.), be the target that the designer pursues constantly, handheld dust catcher on the market mainly has following inadequacies at present:

1. the existing handheld dust collector needs to disassemble more parts in order to pour out dust in the dust cup, which brings inconvenience to users;

2. the existing handheld dust collector is laborious to take out the filter cover, and hands touch garbage to pollute the hands of users, so that the use experience of the users is affected;

3. the existing handheld dust collector has the defects that the handle holding position and the gravity center of the whole machine deviate greatly, the structural layout is unreasonable, the human engineering is not met, and the use experience of a user is affected;

4. because the dust collection pipe of the existing handheld dust collector is relatively short, when a user cleans the ground, the user needs to bend down for a long time, and the use experience of the user is affected.

Disclosure of Invention

The invention aims to provide a handheld dust collector which is convenient for pouring dust.

A further technical problem to be solved by the present invention is to provide a hand-held cleaner which is easy to take out the filter cover and which does not dirty hands when the filter cover is taken out.

The embodiment of the invention discloses a handheld dust collector, which comprises a shell, a filtering component and a motor component; the shell comprises a dust collection shell and a main shell, the dust collection shell is provided with a dust collection pipe, and the front end of the main shell is provided with a dust cup; the dust collection shell is positioned in front of the main shell, the dust collection shell is detachably connected with the main shell, and the dust collection pipe is communicated with the dust cup; the main casing is equipped with handheld portion, and filtration subassembly and motor element all set up in the main casing.

The hand-held dust collector comprises a main shell, wherein the main shell comprises a rear shell, and the front end of the rear shell is detachably connected with the rear end of the dust cup.

The hand-held dust collector is characterized in that the filter assembly is arranged in the dust cup and comprises a filter cover and a filter element; the filter cover is partially covered outside the filter element, the bottom of the filter cover is detachably connected with the filter element, and the periphery of the rear end of the filter element abuts against the inner wall of the central hole of the dust cup.

The hand-held dust collector comprises the dust collection shell body and the connecting disc, wherein the connecting disc is positioned at the rear end of the dust collection shell body, and the connecting disc is detachably connected with the dust collection shell body; the connecting disc is provided with an air vent, and the dust collection pipe is communicated with the dust cup through the air vent.

The handheld dust collector is characterized in that the top of the filter cover is provided with a handle; the top of the filter cover is in abutting fit with the connecting disc to form a closed cavity which surrounds the handle.

The invention has at least the following advantages:

1. the shell of the handheld dust collector comprises a dust collection shell and a main shell, wherein the dust collection shell is detachably connected with the main shell, the dust cup is arranged at the front end of the main shell, when a user needs to pour out dust in the dust cup, the dust collection shell is only required to be detached from the main shell, the handheld part arranged on the main shell is held to invert the main shell, and the handheld dust collector is simple and convenient to operate;

2. when the filter cover is disassembled and assembled, after the dust collection shell is disassembled from the main shell, a user can conveniently take out the filter cover by pinching the handle, so that the filter cover is simple and quick. In addition, the sealed clean space is formed at the handle of the filter cover, so that garbage can not enter the space, and hands can not directly contact the garbage and dirty hands when the filter cover is taken out.

Drawings

Figure 1 shows an isometric view of a hand-held cleaner in accordance with an embodiment of the invention.

Figure 2 shows a schematic cross-sectional view of a hand-held cleaner in accordance with an embodiment of the invention.

Figure 3 shows a schematic view of a suction housing in a separated state from a main housing according to an embodiment of the present invention.

Figure 4 shows a schematic view of the main housing pouring out dust in a dust cup according to an embodiment of the invention.

Figure 5 shows a schematic view of a partial explosion of a hand-held vacuum cleaner in accordance with an embodiment of the invention.

Figure 6 shows a partial schematic view of a suction housing, filter assembly and dirt cup in accordance with an embodiment of the invention.

Figure 7 shows a schematic view of an inner cleaning tube according to an embodiment of the invention in an extended state.

Detailed Description

The invention will now be described in detail with reference to the drawings and specific examples.

Please refer to fig. 1 to 4. The handheld dust collector of the embodiment of the invention comprises a shell 1, a filtering component 2, a motor component 3, a battery pack 4 and a control circuit board component 5.

The housing 1 includes a dust-absorbing housing 1a and a main housing 1b, the dust-absorbing housing 1a is located in front of the main housing 1b, and the dust-absorbing housing 1a is detachably connected with the main housing 1b, and the detachable connection manner includes, but is not limited to, a rotation clamping connection manner, a fastening manner of fastening a clamping hook with a clamping groove, and the like. The filter assembly 2 and the motor assembly 3 are both disposed within the main housing 1b.

The main housing 1b includes a dirt cup 11b, a rear housing 12b and a hand-held portion 13b. The dust cup 11b is located at the front end of the main casing 1b, and the rear end of the dust cup 11b is detachably connected to the front end of the rear casing 12 b. In this embodiment, the dust suction housing 1a is rotatably engaged with the front end of the dust cup 11b. For this purpose, the dust collection housing 1a is provided with a plurality of rotary locking grooves 10a, and the dust cup 11b is provided with a plurality of rotary locking hooks 10b which are respectively engaged with the rotary locking grooves 10a one by one. The rear end of the dirt cup 11b is connected to the front end of the rear housing 12b by a spigot 19. In other embodiments, the rear end of the dirt cup 11b is removably connected to the front end of the rear housing 12b by a swivel snap fit.

In the embodiment, the hand-holding part 13b is a handle, and two ends of the handle 13b are respectively connected with the dust cup 11b and the rear shell 12 b; the handle 13b is located directly above the motor assembly 3. The layout ensures that the holding position of the handle is basically positioned at the gravity center of the whole machine, so that a user can hold the dust collector to perform dust collection operation, and better operation experience is obtained for the user.

The dust suction housing 1a is provided with a dust suction pipe 11, the dust suction pipe 11 communicates with a dust cup 11b, and dust sucked from the dust suction pipe 11 is collected in the dust cup 11b. When the dust in the dust cup 11b needs to be poured out, the user only needs to rotate the dust collection shell 1a to take the dust collection shell off the main shell 1b, as shown in fig. 3, then holds the hand holding part 13b to reverse the main shell 1b, so that the dust in the dust cup 11b can be poured out, and the operation is simple and quick.

Please refer to the contents of fig. 7. In the present embodiment, the dust suction pipe 11 includes the dust suction outer pipe 111 and the dust suction inner pipe 112, at least a part of the dust suction inner pipe 112 is disposed in the dust suction outer pipe 111, and the dust suction inner pipe 112 is axially movable between an extended position and a retracted position with respect to the dust suction outer pipe 111. In a specific embodiment, a plurality of axially extending strip grooves are formed on the inner wall of the dust collection outer tube 111, a plurality of protrusions (the strip grooves and the protrusions are not shown in the figure) respectively matching with the plurality of strip grooves are formed on the outer wall of the dust collection inner tube 112, the plurality of protrusions are respectively embedded in the plurality of strip grooves in a one-to-one correspondence manner and can move along the strip grooves, and a user can adjust the length of the dust collection inner tube 112 extending out of the dust collection outer tube 111 according to actual needs. Through designing dust absorption pipe 11 as telescopic tube structure, can increase the length of use of dust absorption pipe, reduce the number of times of user's operation of bowing, make the user obtain better operation experience.

The battery pack 4 is detachably mounted at the rear end of the main casing 1b (i.e., the rear end of the rear casing 12 b), and as an external battery pack, the battery pack 4 has a larger capacity than an internal battery pack, and the capacity of the battery pack is strong as per Bao Xuhang, so that the continuous working time of the whole machine can be prolonged, and users can conveniently select battery packs with different capacities according to actual demands. In the present embodiment, the battery pack 4 is attached to the rear end of the main casing 1b so as to be vertically attachable and detachable. The battery pack 4 has an electric quantity display function, so that a user can monitor the electric quantity state of the battery pack at any time, and the battery pack 4 is detached when the electric quantity of the battery pack is insufficient and charged by a charger.

The control circuit board assembly 5 is arranged in the inner cavity of the hand-held part 13b, and a start-stop switch 51 and a speed regulating switch 52 are arranged on the hand-held part 13b.

Please combine the contents of fig. 5 and 6. The filter assembly 2 is arranged in the dirt cup 11b. The filter assembly 2 includes a filter housing 2a and a filter cartridge 2b. The filter housing 2a is partially covered outside the filter element 2b, and the bottom of the filter housing 2a is detachably connected to the filter element 2b. The periphery of the rear end of the filter cartridge 2b abuts against the inner wall of the central bore 110 of the dirt cup 11b.

In this embodiment, the filter element 2b is snap-connected to the bottom of the filter housing 2 a. Specifically, the bottom of the filter element 2b is provided with a plurality of first elastic hooks 21, the filter housing 2a is provided with a plurality of first bayonets 22 respectively engaged with the plurality of first elastic hooks 21, and the plurality of first elastic hooks 21 are respectively engaged with the plurality of first bayonets 22. Preferably, the filter element 2b has a waterproof function, preventing moisture from entering a motor 3a (to be mentioned later) provided in the filter element 2b, and preventing the motor from being damaged. The filter element 2b may be, for example, a hepa filter element.

In this embodiment, the inner wall of the central hole 110 of the dirt cup 11b is provided with a ring-shaped step 114 facing the dust collection housing 1a, the rear end of the filter element 2b is provided with a ring-shaped flange 24, and the ring-shaped flange 24 is pressed against the ring-shaped step 114.

The motor assembly 3 includes a motor 3a, a motor mount 3b, and a fan blade 3c. The motor 3a is disposed in the filter element 2b and is detachably connected to the motor mount 3b. The motor mount 3b is detachably connected to the rear end of the dust cup 11b. The fan blade 3c is connected with the output shaft 30a of the motor 3 a.

In this embodiment, the motor base 3b includes a positioning inner ring 31, an annular outer cover 32, and a plurality of connecting ribs 33 disposed at intervals along the circumferential direction. The motor 3a is detachably connected with the positioning inner ring 31 through screws, the output shaft 30a of the motor 3a penetrates through the central hole 310 of the positioning inner ring 31, the periphery of the positioning inner ring 31 is connected with one ends of a plurality of connecting ribs 33, and the other ends of the connecting ribs 33 are respectively connected with the periphery of the central through hole 320 of the annular outer cover 32. The gap between every two adjacent connecting ribs 33 forms an air duct. The periphery of the annular housing 32 is detachably connected with the bottom end of the dust cup 11b, and the annular housing 32 houses the fan blade 3c therein. Specifically, the bottom of the dust cup 11b is provided with a plurality of second elastic hooks 116, the periphery of the annular outer cover 32 is provided with lugs 324 with the same number as the second elastic hooks 116 of the dust cup 11b, and the lugs 324 are provided with second bayonets 326 matched with the second elastic hooks 116. The plurality of second elastic hooks 116 are respectively hooked with the plurality of second bayonets 326.

In this embodiment, a cylinder 113 is further disposed in the dust cup 11b, the motor 3a is disposed in an inner cavity of the cylinder 113, and an outer wall of the cylinder 113 is hollowed out for guiding a flow direction of wind.

In the present embodiment, a portion of the annular housing 32 is located within the rear housing 12 b. The side of back casing 12b is equipped with window 117, and the inside of back casing 12b is equipped with filtering sponge 118 to prevent fine dust backward flow to the air, reduce the secondary pollution to the air, and filtering sponge 118 still has the sound insulation effect, can reduce noise to user's influence.

In the present embodiment, the suction housing 1a includes a suction housing body 11a and a connection pad 12a, the connection pad 12a being located at the rear end of the suction housing body 11a, the connection pad 12a being detachably connected to the suction housing body 11a by a plurality of screws 91. The connection plate 12a is provided with a vent 120, and the dust suction pipe 11 communicates with the dust cup 11b through the vent 120. Further, a dust baffle 13a is arranged at the vent, the dust baffle 13a is movably connected with the connecting disc 12a, when the motor assembly 3 does not work, the dust baffle 13a shields the vent 120, when the motor assembly 3 works, negative pressure is formed in the dust cup 11b, and the dust baffle 13a opens the vent 120 under the action of the negative pressure. Specifically, a protruding block 121a protruding backward is provided above the vent 120, the protruding block 121a has a hole penetrating in the height direction, the dust plate 13a has a plug-in portion 131a mating with the hole, and the plug-in portion 131a is inserted into the hole so as to be movably connected with the connection pad 12 a.

A handle 23 is arranged at the top of the filter cover 2 a; the top of the filter housing 2a is in abutting engagement with the attachment disc 12a to form a closed cavity enclosing the handle 23 therein. In the present embodiment, the rear end surface of the connection disc 12a is provided with an annular protrusion 125 protruding toward one side of the filter housing 2 a; the top of the filter cover 2a is provided with a plane part 25, and the handle 23 is convexly arranged on the plane part 25; the top end of the annular projection 125 abuts the planar portion 25 to form a closed cavity 30, and the handle 23 is located in the closed cavity 30. The axial positioning can also be effected by the annular projection 125 pressing against the flat 25 of the filter housing 2 a. Alternatively, the handle 23 is flat square.

When the filter cover 2a is detached, after the dust collection housing 1a is detached from the main housing 1b, the user can conveniently take out the filter cover 2a by simply pinching the handle 23. In addition, since the sealed clean space is formed at the handle of the filter cover 2a, the garbage can not enter the space, so that hands can not directly contact the garbage and can not dirty hands when the filter cover 2a is taken out. The filter housing 2a taken out can be rinsed with water or cleaned with a brush.

In the handheld dust collector of the embodiment, when the handheld dust collector works, a battery pack 4 supplies power, a control circuit board assembly 5 controls a motor 3a to drive a fan blade 3c to rotate, negative pressure is formed in a dust cup 11b, garbage is sucked into a dust collection pipe 11, a dust baffle 13a is opened through air pressure, and therefore the garbage is sucked into the dust cup 11b. After the garbage is sucked into the dust cup, the garbage is filtered through the filter cover 2a and the filter element 2b, the garbage is separated into the dust cup 11b, clean air is sucked into the fan blade 3c and is discharged through the air window 117, so that the influence of impurity particles contained in the air flow channel on the fan blade and the motor is reduced, and the service life of the machine is prolonged. When the machine is stopped, the dust plate 13a falls back to the original position under the action of gravity, and the vent 120 is sealed to prevent the garbage from flowing out of the dust cup 11b.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A hand-held dust collector comprises a shell, a filtering component and a motor component; the dust collection device is characterized in that the shell comprises a dust collection shell and a main shell, wherein the dust collection shell is provided with a dust collection pipe, and the front end of the main shell is provided with a dust cup;

the dust collection shell is positioned in front of the main shell, the dust collection shell is detachably connected with the main shell, and the dust collection pipe is communicated with the dust cup;

the main housing is provided with a handheld portion, and the filter assembly and the motor assembly are both arranged in the main housing.

2. The hand-held vacuum cleaner of claim 1 wherein the hand-held vacuum cleaner includes a battery pack removably mounted to a rear end of the main housing.

3. The hand-held cleaner of claim 1 wherein the main housing includes a rear housing, a front end of the rear housing being removably connected to a rear end of the dirt cup.

4. A hand-held cleaner according to claim 1, 2 or 3, wherein the filter assembly is disposed in the dirt cup, the filter assembly comprising a filter housing and a filter cartridge; the filter cover is partially covered outside the filter element, the bottom of the filter cover is detachably connected with the filter element, and the periphery of the rear end of the filter element abuts against the inner wall of the central hole of the dust cup.

5. The hand-held cleaner of claim 4 wherein the inner wall of the central bore of the dirt cup defines a ring of annular steps and the rear end of the filter cartridge defines a ring of annular flanges which bear against the annular steps.

6. The hand-held vacuum cleaner of claim 4 wherein the motor assembly includes a motor, a motor mount, and a fan blade;

the motor is arranged in the filter element and is detachably connected with the motor seat; the motor seat is detachably connected with the rear end of the dust cup; the fan blade is connected with the output shaft of the motor.

7. The hand-held vacuum cleaner of claim 6 wherein the motor mount includes a positioning inner ring, an annular outer cover, and a plurality of ribs circumferentially spaced apart;

the motor is detachably connected with the positioning inner ring through screws, the output shaft of the motor penetrates through the central hole of the positioning inner ring, the periphery of the positioning inner ring is connected with one ends of the connecting ribs, the other ends of the connecting ribs are respectively connected with the periphery of the central through hole of the annular outer cover, the periphery of the annular outer cover is detachably connected with the bottom end of the dust cup, and the annular outer cover covers the fan blades.

8. The hand-held vacuum cleaner of claim 4 wherein the suction housing includes a suction housing body and a connecting disc, the connecting disc being located at a rear end of the suction housing body, the connecting disc being detachably connected to the suction housing body;

the connecting disc is provided with an air vent, and the dust collection pipe is communicated with the dust cup through the air vent.

9. The hand-held cleaner of claim 8 wherein the top of the filter housing is provided with a handle;

the top of the filter cover is in abutting fit with the connecting disc to form a closed cavity which surrounds the handle.

10. The hand-held cleaner according to claim 9, wherein a rear end surface of the connection plate is provided with an annular protrusion protruding toward one side of the filter housing;

the top of the filter cover is provided with a plane part, and the handle is convexly arranged on the plane part; the top end of the annular bulge is abutted against the plane part to form a closed cavity, and the handle is positioned in the closed cavity.

11. The hand-held vacuum cleaner of claim 8 wherein a dust flap is provided at the vent opening, the dust flap being movably coupled to the connecting disc, the dust flap shielding the vent opening when the motor assembly is not in operation and the dust flap opening when the motor assembly is in operation.

12. A hand-held vacuum cleaner according to claim 3, wherein the hand-held portion is a handle, both ends of which are connected to the dirt cup and the rear housing, respectively;

the handle is located directly above the motor assembly.

13. The hand-held vacuum cleaner of claim 1 wherein the suction tube includes an outer suction tube and an inner suction tube, at least a portion of the inner suction tube being disposed within the outer suction tube, the inner suction tube being axially movable relative to the outer suction tube between an extended position and a retracted position.