CN216962291U

CN216962291U - Portable handheld dust collector

Info

Publication number: CN216962291U
Application number: CN202220614575.2U
Authority: CN
Inventors: 李坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-15
Anticipated expiration: 2032-03-21

Abstract

The utility model provides a portable handheld dust collector which comprises a main body and a dust collecting head which are detachably connected, wherein the main body comprises a shell, a dust collecting component and a filter cover, a connecting plate is convexly extended outwards and annularly on one end wall of the shell, at least one L-shaped recess is formed in the connecting plate, the dust collecting component is installed in the shell, a convex block is convexly extended outwards on the side wall of the filter cover corresponding to the L-shaped recess, the convex block is detachably connected with the L-shaped recess, so that the filter cover is detachably connected in the connecting plate, and filter paper is arranged between the filter cover and the end wall of the shell; the dust collecting head is detachably connected with the connecting plate, and a dust suction port is arranged at one end of the dust collecting head, which is opposite to the filter cover. When the filter paper is replaced, the portable handheld dust collector only needs to rotate the filter cover to separate and fix the filter cover on the shell, and the operation is more convenient and faster.

Description

Portable handheld dust collector

Technical Field

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

Background

There is a class of hand held cleaners or cleaner heads in the prior art which have a detachable connection to facilitate replacement of the filter assembly, such as filter paper. For example, the suction head of the dust collector disclosed in the Chinese utility model patent with the patent number ZL2019221203894 is characterized in that a filter part is arranged, a pressing block is embedded in a filter frame of the filter part, the pressing block is detachably mounted with the filter frame, and the pressing block and the bottom of the filter frame are provided with filter paper, so that the purpose of replacing the filter paper is achieved. However, since the filter paper in the above structure is located at the bottom of the pressing block and the filter frame, inconvenience is easily caused when the filter paper is actually replaced, and thus it is highly desirable to provide a portable handheld vacuum cleaner capable of replacing the filter paper more conveniently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable handheld dust collector, which solves the defect that filter paper is inconvenient to replace in the conventional structure and achieves the purpose of replacing the filter paper more conveniently.

In order to achieve the above objects, the present invention provides a portable hand-held cleaner, comprising a main body and a dust collecting head which are detachably coupled,

the main body comprises a shell, a dust absorption assembly and a filter cover, wherein a connecting plate is arranged on one end wall of the shell in an outward annular protruding mode, at least one L-shaped recess is formed in the connecting plate, the dust absorption assembly is installed in the shell, a convex block is arranged on the side wall of the filter cover in an outward protruding mode corresponding to the L-shaped recess, the convex block is detachably connected with the L-shaped recess, the filter cover is detachably connected in the connecting plate, and filter paper is arranged between the filter cover and the end wall of the shell;

the dust collecting head is detachably connected with the connecting plate, and a dust suction port is formed in one end, opposite to the filter cover, of the dust collecting head.

Preferably, an opening is formed in the end wall of the housing, a ventilation area is arranged at a position of the filter cover corresponding to the opening, and a plurality of through holes are formed in the ventilation area.

Preferably, a carrying handle is further arranged on the filter cover and is located on one side, opposite to the end wall of the shell, of the filter cover.

Preferably, the diameter of the opening is smaller than the diameter of the end wall.

Preferably, the dust collecting head further comprises a switch group, the switch group comprises a baffle and a positioning piece, the baffle corresponds to the dust suction port and is arranged in the dust collecting head in a penetrating mode, and the positioning piece is detachably connected in the dust collecting head to fix the baffle.

Preferably, the inner wall of the dust collecting head is adjacent to the dust collecting port, and a vertical column is convexly extended at the position, the baffle is arranged on the vertical column in a penetrating manner, and the vertical column is detachably connected with the positioning piece.

Preferably, the other end of the shell is connected with a breathable cover, the breathable cover is provided with a plurality of air holes, and the air holes are communicated with the inner space and the outer space of the shell.

Preferably, the dust collection assembly comprises a motor, a centrifugal impeller, a switch and a battery, wherein the battery, the switch and the motor are electrically connected to form a closed loop, the centrifugal impeller is arranged corresponding to the filter paper, and the centrifugal impeller is driven by the motor to rotate.

Preferably, the battery is a rechargeable battery, and the dust collection assembly further comprises a charging port electrically connected to the battery.

Therefore, according to the technical means of the present invention, the following is briefly described in the work efficiency that can be obtained by the present invention: the portable handheld dust collector provided by the utility model has the advantages that the filter paper is tightly pressed and fixed on the end wall of the main body shell in a filter cover arrangement mode, so that the purpose of adsorbing dust and water vapor is achieved, and the probability of influencing the work of the dust collection assembly due to the fact that the dust and the water vapor enter the shell can be reduced. The portable handheld dust collector provided by the utility model also adopts a mode that the connecting plate of the main body shell is provided with an L-shaped recess, and the outer side wall of the filter cover is provided with a convex block, so that the filter cover can be detachably connected to the end wall of the main body shell. It is concrete, if the lug is sunken to be placed corresponding to the L font, then strain lid and connecting plate separable this moment, if rotate strain the lid and make the lug joint in the L font is sunken, then strain lid fastening connection on the connecting plate this moment, when changing filter paper promptly, only need through rotate strain the lid in order to separate it, be fixed in on the casing can, it is more convenient and swift to operate.

Drawings

Fig. 1 is a schematic perspective view of a portable handheld vacuum cleaner according to an embodiment of the present invention.

Fig. 2 is a perspective exploded view of the portable hand-held cleaner shown in fig. 1.

Fig. 3 is a schematic view of the internal structure of the main body of fig. 1.

Fig. 4 is a perspective exploded view of the dust collecting head of fig. 1.

Fig. 5 is a cross-sectional view of the portable hand-held cleaner in fig. 1 taken along the direction v-v.

In the figure: 1-portable hand-held vacuum cleaner; 10-a body; 11-a housing; 101-an opening; 11 a-connecting plate; a 111-L shaped recess; 11 b-a gas permeable cover; 112-air holes; 12-a dust extraction assembly; 121-a motor; 122-a centrifugal impeller; 123-switch; 124-a battery; 125-charging port; 13-a filter cover; 131-bumps; 132-a gas permeable zone; 133-carrying handle; 134-a through-hole; 20-a dust collecting head; 21-body; 211-a dust suction opening; 212-upright post; 22-a switch group; 221-a baffle; 222-a positioning member; 30-filter paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Certain features of the utility model, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Furthermore, various features of the utility model which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable subcombination. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the utility model. The connections shown in the drawings are for clarity of description only and are not limiting as to the manner of connection.

It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are used for describing the illustrated directions or positional relationships of the present invention based on the drawings, and are used for convenience in describing and simplifying the present invention, but do not indicate that the referred devices or elements must have a specific directions or positional relationships, and thus, the present invention should not be construed as being limited thereto. It will be understood that when an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 5, the present embodiment provides a portable handheld vacuum cleaner 1, which includes a main body 210 and a dust collecting head 20 detachably connected to each other.

Wherein the main body 10 includes a housing 11, a dust suction assembly 12, and a filter cover 13. The housing 11 is substantially cylindrical, and an opening 101 is formed on one end wall of the housing 11, wherein the diameter of the opening 101 is smaller than the inner diameter of the housing 11, so as to communicate the inner space and the outer space of the housing 11. A connecting plate 11a is further protruded outward and circumferentially on the end wall of the housing 11, in this embodiment, two L-shaped recesses 111 are formed on the side wall of the connecting plate 11a, and the L-shaped recesses 111 are detachably connected with the filter cover 13 for fixing or detachably connecting the filter cover 13 in the connecting plate 11 a. The other end of the housing 11 is connected with a ventilation cover 11b, the ventilation cover 11b is provided with a plurality of air holes 112, and the air holes 112 are used for communicating the inner space and the outer space of the housing 11. In other embodiments of the present invention, the number of the L-shaped recesses 111 in the connecting plate 11a is not limited to two in this embodiment, and may be one, three, four or more.

The cleaning assembly 12 is mounted within the housing 11. in this embodiment, the cleaning assembly 12 includes a motor 121, a centrifugal impeller 122, a switch 123, a battery 124 and a charging port 125. The battery 124, the switch 123 and the motor 121 are electrically connected to form a closed loop, so that the start and stop of the motor 121 can be controlled through the switch 123. The centrifugal impeller 122 is disposed corresponding to the opening 101, and the centrifugal impeller 122 is driven by the motor 121 to rotate for forming a negative pressure suction force. It is understood that the battery 124 is a rechargeable battery, and the charging port 125 is electrically connected to the battery 124 for charging the battery 124 through the charging port 125 to prolong the service life of the battery 124. In other embodiments of the utility model, the battery 124 may be a disposable battery, in which case the cleaning assembly 12 may not be provided with the charging port 125.

The filter cover 13 is disposed in a substantially circular cake shape, and it is understood that the diameter of the filter cover 13 is equal to or slightly smaller than the inner diameter of the connecting plate 11a, and the diameter of the filter cover 13 is larger than the diameter of the opening 101, so that the filter cover 13 can be connected to the connecting plate 11a, and a filter paper 30 can be placed and fixed in a compressed manner between the filter cover 13 and the end wall of the housing 11.

The outer side wall of the filter cover 13 is provided with protrusions 131 corresponding to the L-shaped recesses 111 and protruding outwards, and the number of the protrusions 131 is the same as that of the L-shaped recesses 111 and corresponds to that of the L-shaped recesses 111 one by one. Each bump 131 is detachably connected to an L-shaped recess 111. Specifically, if the protrusion 131 is disposed corresponding to the L-shaped recess, the filter cover 13 is separated from the connecting plate 11a, and if the filter cover 13 is rotated to engage the protrusion 131 in the L-shaped recess 111, the filter cover 13 is fastened to the connecting plate 11 a. When the filter paper 30 needs to be replaced, the filter cover 13 is separated from the shell 11 in a mode of rotating left and right to take out the filter paper 30, and then the filter cover is fixed in the connecting plate 11a to press and fix the new filter paper 30, so that the operation is more convenient and quicker.

In this embodiment, the filter cover 13 is further provided with a ventilation area 132 and a handle 133, wherein the ventilation area 132 is disposed corresponding to the position of the opening 101, and the ventilation area 132 is provided with a plurality of through holes 134 for communicating the housing 11 and the dust collecting head 20 through the opening 101 and the through holes 134. A carrying handle 133 is provided on the filter cover 13 on the side opposite to the end wall of the housing 11 for holding by a person to facilitate the left-right rotation of the filter cover 13. In another embodiment of the present invention, the filter lid 13 may not be provided with the handle 133.

The dust collecting head 20 includes a body 21 and a switch group 22, the body 21 is detachably connected to the connection plate 11a for detachable connection between the dust collecting head 20 and the main body 10. A dust collecting chamber is formed in the body 21, and a dust suction port 211 is formed at one end of the body 21 opposite to the filter cover 13, so that when the dust suction assembly 12 is started to form negative pressure suction, the dust outside the dust collector can enter the dust collecting chamber through the dust suction port 211. A post 212 is protruded from the inner wall of the body 21 adjacent to the dust suction port 211 for detachably connecting the switch group 22.

The switch set 22 includes a baffle 221 and a positioning member 222, wherein the baffle 221 is disposed corresponding to the dust suction opening 212 and can completely cover the dust suction opening 212 to close the dust suction opening 212 when the cleaner 1 is idle, so as to prevent dust from entering. The retainer 222 is removably attached to the post 212 to restrain and hold the stop plate 221. Specifically, when the dust suction opening 212 needs to be closed, the baffle 221 is arranged on the upright post 212 in a penetrating manner, and then the positioning piece 222 is inserted on the upright post 212; on the contrary, when the dust suction opening 212 needs to be opened, the positioning member 222 is separated from the upright 212, and the shutter 221 is taken out.

In the description and claims of this application, the words "comprise/comprises" and the words "have/include" and variations thereof are used to specify the presence of stated features, numerical steps or components but does not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Claims

1. A portable hand-held dust collector comprises a main body and a dust collecting head which are detachably connected, and is characterized in that,

2. The portable handheld vacuum cleaner of claim 1, wherein an opening is defined in an end wall of the housing, and a ventilation area is defined in a position of the filter cover corresponding to the opening, and the ventilation area has a plurality of through holes.

3. The portable hand-held cleaner of claim 2, further comprising a carrying handle disposed on the filter cover on a side of the filter cover opposite the end wall of the housing.

4. The portable hand-held cleaner of claim 2, wherein the opening has a diameter less than a diameter of the end wall.

5. The portable handheld vacuum cleaner of claim 1, wherein the dust collection head further comprises a switch assembly, the switch assembly comprising a baffle and a positioning member, the baffle being disposed in the dust collection head corresponding to the dust collection opening and penetrating therethrough, the positioning member being detachably connected to the inside of the dust collection head to fix the baffle.

6. The portable handheld vacuum cleaner of claim 5, wherein a post protrudes from a position of the inner wall of the dust collection head adjacent to the dust suction opening, the baffle is disposed on the post in a penetrating manner, and the post is detachably connected to the positioning member.

7. The portable hand-held vacuum cleaner of claim 1, wherein a ventilation cover is connected to the other end of the housing, the ventilation cover having a plurality of air holes therein, the air holes communicating the interior and exterior spaces of the housing.

8. The portable hand-held cleaner of any one of claims 1 to 7, wherein the suction assembly comprises a motor, a centrifugal impeller, a switch and a battery, wherein the battery, the switch and the motor are electrically connected in a closed loop, the centrifugal impeller is disposed in correspondence with the filter paper, and the centrifugal impeller is driven to rotate by the motor.

9. The portable hand-held cleaner of claim 8, wherein the battery is a rechargeable battery and the cleaning assembly further comprises a charging port electrically connected to the battery.