CN112971586A

CN112971586A - Hand-held vacuum cleaner

Info

Publication number: CN112971586A
Application number: CN202110199115.8A
Authority: CN
Inventors: 张如; 范苏湘
Original assignee: Zhuichuang Technology Suzhou Co Ltd
Current assignee: Zhuichuang Technology Suzhou Co Ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-06-18

Abstract

The invention discloses a handheld dust collector which comprises a dust cup assembly, a multi-cone separator and a motor assembly, wherein the dust cup assembly comprises a dust cup and a first filtering structure arranged in the dust cup, and the first filtering structure is annularly arranged; the multi-cone separator comprises a plurality of conical cylinders which are arranged outside the first filtering structure and positioned at one axial end of the first filtering structure, and air inlet ends of the conical cylinders are in fluid communication with an air outlet end of the first filtering structure; the motor element is including locating the outer motor of first filtration, the motor is with a plurality of the toper section of thick bamboo is located same one end of first filtration, just the air inlet end of motor with the air-out end fluid intercommunication of many cones separator, it is a plurality of the toper section of thick bamboo encloses at least partially to be located week side of motor. The invention not only can effectively improve the dust collection effect of the dust collector, but also has smaller volume and better user experience.

Description

Hand-held vacuum cleaner

Technical Field

The invention relates to the technical field of cleaning devices, in particular to a handheld dust collector.

Background

The handheld dust collector sucks garbage or dust in the environment through vacuum, and is popular among users due to the fact that the handheld dust collector is convenient to use and light in weight. However, in the conventional handheld vacuum cleaner, the multi-cone separator is generally located inside the filter, so that the volume of the filter in the handheld vacuum cleaner is large, and the filtering efficiency of the filter is low.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a handheld vacuum cleaner, which aims to solve the problems of large volume and low filtering efficiency of the conventional handheld vacuum cleaner.

In order to achieve the above object, the present invention provides a hand-held cleaner, comprising:

the dust cup assembly comprises a dust cup and a first filtering structure arranged in the dust cup, and the first filtering structure is annularly arranged;

the multi-cone separator comprises a plurality of cone-shaped cylinders which are arranged outside the first filtering structure and positioned at one end of the first filtering structure along the axial direction, and the air inlet ends of the cone-shaped cylinders are communicated with the air outlet end of the first filtering structure in a fluid mode; and the number of the first and second groups,

motor element, including locating the outer motor of first filtration, the motor is with a plurality of the toper section of thick bamboo is located same one end of first filtration, just the air inlet end of motor with the air-out end fluid intercommunication of many cones separator, it is a plurality of the toper section of thick bamboo encloses at least partially to be located week side of motor.

In an embodiment, the motor assembly further includes a PCB electrically connected to the motor, and the PCB is located at an end of the motor close to the first filter structure.

In an embodiment, a plurality of the conical cylinders extend along the axial direction of the motor, a dust drop port is formed at a reduced end of each conical cylinder, an air outlet is formed at an open end of each conical cylinder, an air inlet of each conical cylinder is formed on a side wall of each conical cylinder and is arranged close to the open end, and the air inlet of each conical cylinder is located on a side of the PCB board, which faces away from the filter screen.

In an embodiment, the air inlet of the conical cylinder is arranged between the air outlet end of the first filtering structure and the air inlet end of the motor.

In one embodiment, the motor is coaxially arranged with the first filtering structure; alternatively, the first and second electrodes may be,

the central shaft of the motor and the central shaft of the first filtering structure are arranged in a staggered mode.

In an embodiment, the plurality of conical cylinders are arranged on the outer side of the motor along the circumferential direction of the motor, and the plurality of conical cylinders are arranged in an arc shape.

In an embodiment, the dirt cup assembly further includes a dirt guiding cylinder disposed inside the first filtering structure, the dirt guiding cylinder extends along an axial direction of the first filtering structure, one end of the dirt guiding cylinder is disposed toward the motor and is communicated with the dust falling ports of the plurality of tapered cylinders, and the other end of the dirt guiding cylinder is used for discharging dust;

the dust guide cylinder and the first filtering structure are arranged at intervals to form an air passing channel, the air passing channel is communicated with the air inlets of the conical cylinders in a fluid mode, and the air passing channel is used for conveying air flow filtered by the first filtering structure to the air inlets of the conical cylinders.

In an embodiment, the motor assembly further comprises a motor mounting plate, the motor mounting plate is closed, the dust guide cylinder faces one end of the motor, the motor is mounted on the motor mounting plate, a plurality of first through holes are formed in the motor mounting plate, and the first through holes and the dust falling openings of the conical cylinders are arranged in a one-to-one correspondence manner.

In one embodiment, the handheld vacuum cleaner further comprises a housing butted with the dust cup, a containing cavity is formed in the housing, and the motor assembly and the multi-cone separator are arranged in the containing cavity;

the multi-cone separator further comprises a plurality of separating cover plates arranged at the air outlets of the cone-shaped cylinders, the separating cover plates are used for separating the accommodating cavity into a first cavity and a second cavity which are axially arranged along the motor, a plurality of second through holes which are in one-to-one correspondence with the air outlets of the cone-shaped cylinders are formed in the separating cover plates, the air inlets of the cone-shaped cylinders are located in the second cavity, and the air inlet ends of the motor are located in the first cavity.

In one embodiment, the air inlet end of the motor is provided with a plurality of air inlet holes, and the air inlet holes are annularly arranged along the circumferential direction of the motor;

the handheld dust collector also comprises a second filtering structure arranged in the first cavity, the second filtering structure is arranged around the outer sides of the air inlet holes, and the second through holes are arranged on the outer sides of the second filtering structure; and/or the presence of a gas in the gas,

the air outlet end of the motor is positioned in the second cavity; the handheld dust collector is characterized by further comprising a handheld structure arranged on one side of the shell, an air outlet is formed in the handheld structure, an air outlet channel communicated with the air outlet hole and an air outlet end of the motor is formed in the handheld structure, and the air outlet channel and the air passing channel are arranged in a separated mode.

The handheld dust collector comprises the dust cup assembly, the multi-cone separator and the motor assembly, wherein the multi-cone separator and the motor are arranged on the outer side of the first filtering structure, so that the diameter of the first filtering structure can be reduced under the condition that the size of the whole handheld dust collector is unchanged, the filtering efficiency of the first filtering structure is improved, and the dust collection effect of the handheld dust collector is further improved; and the plurality of conical cylinders of the multi-cone separator are arranged around the motor, so that the handheld dust collector is more compact in structural arrangement and smaller in size.

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 structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a hand-held vacuum cleaner according to an embodiment of the present invention;

FIG. 2 is a schematic view of the hand-held cleaner of FIG. 1 (without the housing and the second filter structure);

FIG. 3 is a schematic cross-sectional view of the hand-held cleaner of FIG. 1;

FIG. 4 is a cross-sectional view of the hand-held cleaner of FIG. 1 from another perspective;

FIG. 5 is an enlarged schematic view of detail A in FIG. 4;

FIG. 6 is a schematic cross-sectional view of the hand-held cleaner of FIG. 1 from a further perspective;

FIG. 7 is a schematic diagram of the separator of FIG. 1;

FIG. 8 is a schematic structural view of the cone of FIG. 1;

FIG. 9 is a schematic view of the dirt cup of FIG. 1;

fig. 10 is a schematic structural view of the hand-held structure shown in fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Hand-held vacuum cleaner	4	Dirt cup assembly
1	Dust absorption main body	41	Dust cup
				11	Shell body	42	First mounting part
12	The first cavity	421	Sliding block
				13	Second cavity	43	Second mounting part
14	Second fitting part	431	Fastening part
				141	Clamping hook	44	First filter structure
15	Opening holes	441	Filter screen mounting rack
				2	Multi-cone separator	442	Filter screen
21	Conical cylinder	45	Dust guide cylinder
				211	Air inlet	5	Second filter structure
212	Air outlet	6	Hand-held structure
				213	Dust falling port	61	First fitting part
22	Separating cover plate	611	Sliding chute
				23	Second through hole	7	Scrape grey subassembly
3	Motor assembly	71	Ash scraping part
				31	Electric machine	72	Ash scraping driving structure
32	Air inlet	721	Guide rod
				33	PCB board	722	Connecting rod
34	Motor mounting plate	723	Driving handle
				35	First through hole	724	Elastic reset piece

The object of the present invention, its functional characteristics and advantageous effects will be further described with reference to the following embodiments and drawings.

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. 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 should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 to 10 show an embodiment of a handheld vacuum cleaner according to the present invention.

Referring to fig. 1 to 2, in the present embodiment, the handheld vacuum cleaner 100 includes a main vacuum cleaner body 1, a dust cup assembly 4, a multi-cone separator 2, and a motor assembly 3.

The main body 1 may include a housing 11 and electrical components disposed in the housing 11 to control the operation of the handheld vacuum cleaner 100, and the circuit structure in the main body 1 may be disposed by a conventional technique, which will not be described herein.

Referring to fig. 3, the dust cup assembly 4 includes a dust cup 41 and a first filtering structure 44, a storage cavity for storing garbage is disposed in the dust cup 41, the first filtering structure 44 is disposed in the dust cup 41 and is used for filtering an air flow entering the dust cup 41 from a dust suction port of the dust cup 41, so as to output clean air out of the handheld dust collector 100, and the filtered garbage is left in the storage cavity of the dust cup 41, because the dust cup 41 is generally cylindrical, in order to achieve a better filtering effect, the first filtering structure 44 is also annularly disposed, the first filtering structure 44 is a primary filtering structure in the handheld dust collector 100, and preferably, the shape of the first filtering structure 44 is adapted to the shape of the dust cup 41, so that the filtering efficiency is higher.

Can combine fig. 2 and 3, many cones separator 2 is the second grade filtration in handheld dust catcher 100, and many cones separator 2 is including locating a plurality of toper section of thick bamboos 21 outside first filtration 44, it is a plurality of toper section of thick bamboos 21 are located first filtration 44 is along axial one end to make first filtration 44's size can set up littleer, reduce whole handheld dust catcher 100's size, also can improve first filtration 44's filtration efficiency simultaneously, and is a plurality of the air inlet end of toper section of thick bamboo 21 with the air-out end fluid intercommunication of first filtration 44 to carry out secondary filter to the air current that gets into in handheld dust catcher 100, make the air current of output to user's indoor cleaner.

The motor assembly 3 is used for forming vacuum and sucking garbage such as dust in a user room through a dust suction opening on the dust cup. Motor element 3 is including locating the outer motor 31 of first filtration 44, motor 31 is with a plurality of a toper section of thick bamboo 21 is located same one end of first filtration 44, just the air inlet end of motor 31 with the air-out end fluid intercommunication of many cones separator 2 is a plurality of a toper section of thick bamboo 21 at least partially encloses and locates the week side of motor 31. With many cones separator 2 and motor 31 all set up outside first filtration 44 for the size of first filtration 44 can be adjusted in a flexible way, for traditional handheld dust catcher 100, the volume of first filtration 44 can be littleer, in order to improve filtration efficiency, and enclose a plurality of toper section of thick bamboo 21 and establish in the week side of motor 31, and the structure is compacter, makes handheld dust catcher 100's volume can be more small and exquisite.

According to the invention, the multi-cone separator 2 and the motor 31 are both arranged at the outer side of the first filtering structure 44, so that the diameter of the first filtering structure 44 can be reduced under the condition that the size of the whole handheld dust collector 100 is not changed, the filtering efficiency of the first filtering structure 44 is improved, and the dust collection effect of the handheld dust collector 100 is further improved; moreover, the plurality of conical cylinders 21 of the multi-cone separator 2 are arranged around the motor 31, so that the handheld dust collector 100 is more compact in structural arrangement and smaller in size, and compared with the traditional handheld dust collector 100, the handheld dust collector 100 provided by the invention not only can effectively improve the dust collection effect of the dust collector, but also is smaller in size and better in user experience.

In this embodiment, the opening and closing of the motor 31 can be controlled by the controller in the handheld vacuum cleaner 100, specifically, the motor assembly 3 further includes a PCB 33 electrically connected to the motor 31, the PCB 33 is located the motor 31 is close to one end of the first filter structure 44, so that the air outlet end of the motor 31 is located at the end far away from the first filter structure 44, the motor 31 is controlled to operate by the controller arranged on the PCB 33, of course, an operation button can be arranged on the housing of the handheld vacuum cleaner 100, the operation of the motor 31 is controlled by pressing the operation button, and the operation is more convenient.

Further, as shown in fig. 4, 7 and 8, since the plurality of tapered cylinders 21 are enclosed outside the motor 31, in order to make the structure more compact, the plurality of tapered cylinders 21 are all disposed along the axial direction of the motor 31 to be parallel to the motor 31, so that the tapered cylinders 21 can be more closely attached to the motor 31, the operation principle of the tapered cylinders 21 is conventional, generally, the tapered cylinders 21 have three openings, an air inlet 211, an air outlet 212 and a dust outlet 213, for further separating dust from the airflow filtered from the first filtering structure 44, the air inlet 211 is used for guiding the airflow guided out by the first filtering structure 44 into the tapered cylinders 21, since the dust is heavier than the air, after passing through the tapered cylinders 21, the heavier dust falls out from the dust outlet 213, and the clean airflow is guided into the motor 31 through the air outlet 212, specifically, the reduced end of each tapered cylinder 21 is formed with the dust outlet 213, the open end of each of the tapered cylinders 21 forms an air outlet 212, the air inlet 211 of each of the tapered cylinders 21 is formed in the sidewall of the tapered cylinder 21, and an air deflector is disposed at the edge of the air inlet 211 to form a spiral airflow into the tapered cylinder 21, the air inlet 211 is disposed near the open end, so that dust has a sufficient landing space, and the air inlet 211 of each of the tapered cylinders 21 is located at a side of the PCB 33 facing away from the filter screen 442, so as to prevent the PCB 33 from being contaminated by dust.

And the air inlet 211 of the cone-shaped cylinder 21 is arranged between the air outlet end of the first filtering structure 44 and the air inlet end of the motor 31 so as to carry out the second filtering on the air flow sucked into the handheld dust collector 100 and then lead out from the motor 31, so that the filtering effect is better.

The plurality of tapered cylinders 21 are arranged outside the motor 31 along the circumferential direction of the motor 31, and in an embodiment, the plurality of tapered cylinders 21 may be arranged outside the motor 31 in a complete circle.

In another embodiment, the plurality of conical cylinders 21 may also be arranged in an arc shape, and as few conical cylinders 21 as possible are provided to satisfy the filtering efficiency, which may further save the cost.

In one embodiment, the motor 31 may be disposed coaxially with the first filter structure 44 to reduce the size of the hand-held cleaner 100.

Of course, in another embodiment, when the shape of the handheld vacuum cleaner 100 is configured in a special shape, the central axis of the motor 31 and the central axis of the first filtering structure 44 may also be configured in a staggered manner to match the shape of the handheld vacuum cleaner 100 for reasonable layout.

In order to ensure that the airflow filtered by the first filtering structure 44 can enter the conical cylinder 21 and the dust filtered by the conical cylinder 21 can fall into the storage cavity in the dust cup 41, fig. 4, 6 and 7 can be combined, the dust cup assembly 4 further includes a dust guide cylinder 45 disposed inside the first filtering structure 44, the dust guide cylinder 45 is disposed along the axial extension of the first filtering structure 44, the dust guide cylinder 45 is disposed in a cylindrical shape with two open ends, one end of the dust guide cylinder 45 is disposed toward the motor 31 for communicating with the dust falling ports 213 of the conical cylinders 21, and the other end of the dust guide cylinder 45 is used for discharging dust into the storage cavity; and the dust guide cylinder 45 and the first filtering structure 44 are arranged at intervals to form an air passing channel, the air passing channel is in fluid communication with the air inlets 211 of the plurality of conical cylinders 21, the air passing channel is used for conveying the air flow filtered by the first filtering structure 44 to the air inlets 211 of the plurality of conical cylinders 21, and the interior of the dust cup 41 is separated through the dust guide cylinder 45, so that secondary filtration of the air is realized.

Further, in order to prevent that the dust from getting into damage motor 31 in the motor 31, can refer to fig. 5 and 6, motor element 3 still includes motor mounting panel 34, motor mounting panel 34 is the closure lead dirt section of thick bamboo 45 towards the one end of motor 31 to avoid leading in the dust entering motor 31 in the dirt section of thick bamboo 45, motor 31 install in on the motor mounting panel 34, a plurality of first through-holes 35 have been seted up on the motor mounting panel 34, it is a plurality of first through-hole 35 is with a plurality of the dust mouth 213 that falls of a toper section of thick bamboo 21 is the one-to-one setting, and the dust after the filtration of a toper section of thick bamboo 21 gets into in leading dirt section of thick bamboo 45 from first through-hole 35 through dust mouth 213 that falls.

It can be understood that, in order to make the appearance of the handheld vacuum cleaner 100 more beautiful, as shown in fig. 1, 7 and 8, the motor assembly 3 and the multi-cone separator 2 should be wrapped by a housing 11, the housing 11 is abutted with the dust cup 41, so that the housing 11 is connected with the dust cup 41, a receiving cavity is formed in the housing 11, and the motor assembly 3 and the multi-cone separator 2 are both arranged in the receiving cavity; the multi-cone separator 2 further includes a separation cover plate 22 disposed at the air outlets 212 of the plurality of conical cylinders 21, the separation cover plate 22 is configured to divide the accommodating chamber into a first chamber 12 and a second chamber 13 disposed along the axial direction of the motor 31, the separation cover plate 22 is configured to divide an air inlet end and an air outlet end of the motor 31, the separation cover plate 22 is provided with a plurality of second through holes 23 disposed in one-to-one correspondence with the air outlets 212 of the plurality of conical cylinders 21, an air inlet 211 of each conical cylinder 21 is disposed in the second chamber 13, the air outlet 212 of each conical cylinder 21 is also disposed in the second chamber 13, the air inlet end of the motor 31 is disposed in the first chamber 12, the second chamber 13 is communicated with the air outlet end of the first filtering structure 44, and air flow filtered by the first filtering structure 44 enters the second chamber 13 to enter the air inlet 211 of the conical cylinder 21, and then the air is led out through the air outlet 212 of the cone 21 and enters the first cavity 12, and then enters the motor 31 through the air inlet end of the motor 31, and finally is led out to the user room from the air outlet end of the motor 31, of course, an air outlet may be arranged on the housing 11 or other outer shells of the handheld vacuum cleaner 100 to lead out the clean air flow led out from the air outlet end of the motor 31.

A plurality of air inlet holes 32 are formed at the air inlet end of the motor 31, and the air inlet holes 32 are annularly arranged along the circumferential direction of the motor 31 so as to correspond to the plurality of conical barrels 21 arranged around the circumferential side of the motor 31, so that the air inlet of the motor 31 is smoother; moreover, in order to guarantee the purity of the air current entering the motor 31 and avoid influencing the operation of the motor 31, the handheld dust collector 100 further comprises a second filtering structure 5 arranged in the first cavity 12, the second filtering structure 5 is arranged in a plurality of surrounding positions outside the air inlet 32 and a plurality of second through holes 23 are arranged outside the second filtering structure 5, the second filtering structure 5 is used for further filtering the air current entering the motor 31, and the second filtering structure 5 can be set as an air inlet sea handkerchief, is low in cost and is easy to replace.

When the air outlet end of the motor 31 is located in the second cavity 13, fig. 1 to 3 can be combined, the handheld vacuum cleaner 100 further comprises a handheld structure 6 located on one side of the housing 11, the handheld structure 6 can be used for being held by a user, and is more convenient to operate when in use, at the moment, the air outlet can be arranged on the handheld structure 6, an air outlet channel communicated with the air outlet hole and the air outlet end of the motor 31 is formed in the handheld structure 6, the air outlet channel and the air passing channel are separated, specifically, the air outlet channel and the air passing channel can be separated through a separating plate, so that the air channels are not influenced by each other, and the motor 31 can be effectively protected.

The above description is mainly an improvement of the layout of the multi-cone separator 2 in the handheld vacuum cleaner 100, so that the handheld vacuum cleaner 100 has better filtering effect and smaller volume. Another embodiment of the present invention is provided to facilitate cleaning of the dirt cup 41 of the hand-held cleaner 100.

In this embodiment, referring to fig. 1 to 3, the handheld vacuum cleaner 100 may further include an ash scraping assembly 7, wherein the ash scraping assembly 7 is used for scraping off dust outside the first filtering structure 44, so as to facilitate handling of the dust on the first filtering structure 44 and prevent the first filtering structure 44 from being blocked.

The dust scraping assembly 7 can be provided as a separate component to be disposed in the hand-held vacuum cleaner 100, but it can be disposed on the basis of the above-described embodiments.

Specifically, referring to fig. 3 and 6, the dust scraping assembly 7 includes a dust scraping member 71 and a dust scraping driving structure 72, the dust scraping member 71 is movably disposed outside the first filtering structure 44, the dust scraping driving structure 72 is connected to the dust scraping member 71, and the dust scraping driving structure 72 is mounted on the housing 11 for driving the dust scraping member 71 to reciprocate along the axial direction of the first filtering structure 44 to scrape off dust outside the first filtering structure 44.

The ash scraping driving structure 72 can be arranged in various forms. In one embodiment, the ash scraping driving structure 72 may be configured to drive a cylinder or a motor, etc. to drive the ash scraping member 71 to reciprocate.

In another embodiment, referring to fig. 6, the ash scraping driving structure 72 includes a guiding rod 721, a connecting rod 722 and a connecting rod driving member, the guiding rod 721 is disposed in the housing 11, the guiding rod 721 is hollow and extends along the axial direction of the first filtering structure 44 to guide the connecting rod 722, so that the ash scraping member 71 reciprocates along the outer side of the first filtering structure 44; the connecting rod 722 is movably arranged in the guide rod 721 in a penetrating way and is connected with the dust scraping piece 71; the connecting rod driving member is connected to the connecting rod 722 for driving the connecting rod 722 to move along the length direction of the guide rod 721, and the connecting rod 722 is driven by the connecting rod driving member to reciprocate along the guide rod 721, so as to drive the dust scraping member 71 to reciprocate along the outer side of the first filtering structure 44, so as to scrape off the dust accumulated on the outer side of the first filtering structure 44.

Further, the ash scraping driving structure 72 further includes an elastic restoring member 724 sleeved outside the connecting rod 722, and after the connecting rod driving member drives the connecting rod 722 to move towards one end of the first filtering structure 44, the connecting rod 722 is restored under the driving of the elastic force of the elastic restoring member 724, and the elastic restoring member 724 may be configured as a telescopic spring.

The first filter structure 44 may be provided in various forms. In an embodiment, referring to fig. 3 and 6, when the first filtering structure 44 includes a filter mounting bracket 441 and a filter screen 442 disposed on the filter mounting bracket 441, the filter screen 442 is disposed in a ring shape, the dust scraping member 71 is sleeved outside the filter screen 442, the elastic restoring member 724 is connected to the guide rod 721 and the filter mounting bracket 441, the connecting rod driving member drives the connecting rod 722 to move towards one end of one filter screen 442, and the elastic restoring member 724 drives the connecting rod 722 to move towards the other end of the filter screen 442, so that the connecting rod 722 can move back and forth to drive the dust scraping member 71 to move back and forth on the outer surface of the filter screen 442 to scrape off dust.

In order to make the structure of the handheld vacuum cleaner 100 more compact, the guide rod 721 is located between two of the tapered cylinders 21 at intervals along the circumferential direction, so as to not occupy the space in the handheld vacuum cleaner 100, and the handheld vacuum cleaner 100 can be made smaller.

Furthermore, an opening 15 extending along the axial direction of the first filter structure 44 is formed on the housing 11; the link driving member comprises a driving handle 723, the driving handle 723 is connected with the connecting rod 722, at least a part of the driving handle 723 is exposed out of the opening 15, and the driving handle 723 is driven to slide along the opening 15 through manual operation or a mechanical arm, so that ash can be scraped. For example, the initial position of the driving handle 723 is located at one end of the opening 15, the driving handle 723 is manually held to slide along the opening, when the driving handle 723 moves to the other end of the opening, the dust scraping component 71 can just move to the other end of the filter screen 442, the elastic restoring component is in a contracted state, when the driving handle 723 is released by a human hand, the connecting rod 722 connected with the driving handle 723 returns to the initial position under the stretching force of the elastic restoring component 724, and the dust scraping component 71 completes a back-and-forth dust scraping operation.

In order to facilitate the dust scraping operation when the user holds the vacuum cleaner 100, the holding structure 6 may be disposed on one side of the housing 11, and the driving handle 723 may be disposed on the other side of the housing 11, and preferably, the driving handle 723 and the holding structure 6 are disposed on two opposite sides of the housing 11, respectively, so that the operation is more labor-saving.

In order to facilitate the assembly of the handheld vacuum cleaner 100, referring to fig. 9 and 10, a first mounting portion 42 is disposed on the dust cup 41, a first matching portion 61 matched with the first mounting portion 42 is disposed on the handheld structure 6, and the first mounting portion 42 is matched with the first matching portion 61 to mount the dust cup 41 on the handheld structure 6.

In one embodiment, one of the first mounting portion 42 and the first engaging portion 61 is a sliding slot 611, and the other is a sliding block 421 engaging with the sliding slot 611, wherein the sliding slot 611 and/or the sliding block 421 is configured in an "L" shape, and when the assembly is performed, the sliding block 421 on the dust cup 41 can be inserted from the open end of the "L" shaped sliding slot 611, and then pressed against one end of the dust cup 41 through the housing 11, so as to prevent the dust cup 41 from sliding down.

In addition, in order to facilitate the assembly of the dust cup 41 and the housing 11, a second mounting portion 43 is further disposed on the dust cup 41, a second matching portion 14 matched with the second mounting portion 43 is disposed on the housing 11, and the second mounting portion 43 is matched with the second matching portion 14 to connect the housing 11 and the dust cup 41.

In one embodiment, one of the second mounting portion 43 and the second mating portion 14 is configured as a hook 141, and the other is configured as a buckle portion 431 that mates with the hook 141.

Specifically, referring to fig. 5 and 9, one end of the dust cup 41 connected to the housing 11 is open, the fastening portion 431 is provided with a plurality of fastening grooves, the fastening grooves are arranged along the open circumference of the dust cup 41, correspondingly, the fastening hooks 141 are provided with a plurality of fastening grooves, the fastening hooks 141 and the fastening grooves are arranged in a one-to-one correspondence manner, and the connection between the dust cup 41 and the housing 11 is more stable.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A hand-held cleaner (100), comprising:

the dust cup assembly (4) comprises a dust cup (41) and a first filtering structure (44) arranged in the dust cup (41), wherein the first filtering structure (44) is annularly arranged;

the multi-cone separator (2) comprises a plurality of cone-shaped cylinders (21) which are arranged outside the first filtering structure (44) and located at one axial end of the first filtering structure (44), and the air inlet ends of the cone-shaped cylinders (21) are communicated with the air outlet end of the first filtering structure (44) in a fluid mode; and the number of the first and second groups,

motor element (3), including locating motor (31) outside first filtration (44), motor (31) and a plurality of toper section of thick bamboo (21) are located same one end of first filtration (44), just the air inlet end of motor (31) with the air-out end fluid intercommunication of many cones separator (2), it is a plurality of toper section of thick bamboo (21) at least partially encloses and locates week side of motor (31).

2. The hand-held cleaner (100) of claim 1, wherein the motor assembly (3) further comprises a PCB board (33) electrically connected to the motor (31), the PCB board (33) being located at an end of the motor (31) proximate to the first filter structure (44).

3. The hand-held cleaner (100) of claim 2, wherein a plurality of the cone-shaped cylinders (21) are arranged along the axial extension of the motor (31), the throat end of each cone-shaped cylinder (21) is formed with a dust drop opening (213), the open end of each cone-shaped cylinder (21) is formed with an air outlet opening (212), the air inlet opening (211) of each cone-shaped cylinder (21) is formed on the side wall of the cone-shaped cylinder (21) and is arranged near the open end, and the air inlet opening (211) of each cone-shaped cylinder (21) is positioned on the side of the PCB board (33) facing away from the filter screen.

4. The hand-held vacuum cleaner (100) of claim 1, wherein the air inlet (211) of the cone (21) is disposed between the air outlet end of the first filter structure (44) and the air inlet end of the motor (31).

5. The hand-held cleaner (100) of claim 1, wherein the motor (31) is coaxially arranged with the first filter structure (44); alternatively, the first and second electrodes may be,

the central shaft of the motor (31) and the central shaft of the first filtering structure (44) are arranged in a staggered mode.

6. The hand-held vacuum cleaner (100) of claim 1, wherein the plurality of tapered cylinders (21) are arranged outside the motor (31) in a circumferential direction of the motor (31), and the plurality of tapered cylinders (21) are arranged in an arc shape.

7. The hand-held vacuum cleaner (100) of claim 2, wherein the dirt cup assembly (4) further comprises a dirt guiding cylinder (45) disposed inside the first filtering structure (44), the dirt guiding cylinder (45) is disposed along an axial extension of the first filtering structure (44), one end of the dirt guiding cylinder (45) is disposed toward the motor (31) and is communicated with the dust falling ports (213) of the plurality of cone-shaped cylinders (21), and the other end of the dirt guiding cylinder (45) is used for discharging dust;

the dust guide cylinder (45) and the first filtering structure (44) are arranged at intervals to form an air passing channel, the air passing channel is in fluid communication with the air inlets (211) of the conical cylinders (21), and the air passing channel is used for conveying airflow filtered by the first filtering structure (44) to the air inlets (211) of the conical cylinders (21).

8. The hand-held vacuum cleaner (100) of claim 7, wherein the motor assembly (3) further comprises a motor mounting plate (34), the motor mounting plate (34) is used for sealing one end of the dust guide cylinder (45) facing the motor (31), the motor (31) is mounted on the motor mounting plate (34), the motor mounting plate (34) is provided with a plurality of first through holes (35), and the plurality of first through holes (35) and the plurality of dust falling ports (213) of the cone-shaped cylinder (21) are arranged in a one-to-one correspondence manner.

9. The hand-held vacuum cleaner (100) of claim 7, wherein the hand-held vacuum cleaner (100) further comprises a housing (11) interfacing with the dirt cup (41), a receiving cavity being formed in the housing (11), the motor assembly (3) and the multi-cone separator (2) being disposed in the receiving cavity;

the multi-cone separator (2) further comprises a separation cover plate (22) arranged at the air outlet (212) of the cone-shaped cylinder (21), the separation cover plate (22) is used for separating the containing cavity into a first cavity (12) and a second cavity (13) which are arranged along the axial direction of the motor (31), a plurality of second through holes (23) which are arranged in a one-to-one correspondence mode with the air outlet (212) of the cone-shaped cylinder (21) are formed in the separation cover plate (22), air inlets (211) of the cone-shaped cylinders (21) are located in the second cavity (13), and air inlet ends of the motor (31) are located in the first cavity (12).

10. The hand-held vacuum cleaner (100) of claim 9, wherein the air inlet end of the motor (31) is provided with a plurality of air inlet holes (32), and the air inlet holes (32) are annularly arranged along the circumference of the motor (31);

the handheld dust collector (100) further comprises a second filtering structure (5) arranged in the first cavity (12), the second filtering structure (5) is arranged around the outer sides of the air inlet holes (32), and the second through holes (23) are arranged on the outer sides of the second filtering structure (5); and/or the air outlet end of the motor (31) is positioned in the second cavity (13); handheld dust catcher (100) are still including locating handheld structure (6) of one side of casing (11), the exhaust vent has been seted up on handheld structure (6), be formed with the intercommunication in handheld structure (6) the exhaust vent with the air-out passageway of air-out end (212) of motor (31), just the air-out passageway with the air-out passageway is the partition setting.