CN109662646B - Main body structure of dust collector and dust collector - Google Patents

Main body structure of dust collector and dust collector Download PDF

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Publication number
CN109662646B
CN109662646B CN201910153378.8A CN201910153378A CN109662646B CN 109662646 B CN109662646 B CN 109662646B CN 201910153378 A CN201910153378 A CN 201910153378A CN 109662646 B CN109662646 B CN 109662646B
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CN
China
Prior art keywords
assembly
suction pipe
dust collector
motor
main body
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Active
Application number
CN201910153378.8A
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Chinese (zh)
Other versions
CN109662646A (en
Inventor
檀冲
程世及
宋武斌
孙明辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiaogou Electric Internet Technology Beijing Co Ltd
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Xiaogou Electric Internet Technology Beijing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Xiaogou Electric Internet Technology Beijing Co Ltd filed Critical Xiaogou Electric Internet Technology Beijing Co Ltd
Priority to CN201910153378.8A priority Critical patent/CN109662646B/en
Publication of CN109662646A publication Critical patent/CN109662646A/en
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Publication of CN109662646B publication Critical patent/CN109662646B/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/106—Dust removal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

The invention provides a main body structure of a dust collector and the dust collector, and relates to the technical field of dust collectors. The main structure of the dust collector comprises a suction pipe component and a motor component; a space between the suction tube assembly and the motor assembly for receiving a dirt cup assembly; the suction channel of the suction pipe assembly and the air inlet end of the motor assembly are positioned on the same horizontal line. The dust collector comprises a dust collecting cup assembly and the main body structure of the dust collector, wherein the dust collecting cup assembly is fixed between the suction pipe assembly and the motor assembly and is communicated with the suction channel and the air inlet end of the motor assembly. The invention solves the technical problem of low suction force of the dust collector in the technology.

Description

Main body structure of dust collector and dust collector
Technical Field
The invention relates to the technical field of dust collectors, in particular to a main body structure of a dust collector and the dust collector.
Background
In the existing dust collector, the direction of the gas entering the dust cup is different from the direction of the gas entering the motor, so that the flow path of the gas is overlong, the gas can be subjected to multiple bending in the flow process, the negative pressure suction generated by the motor is lost, and the suction of the dust collector is low.
Based on the above, the present invention provides a main body structure of a dust collector and the dust collector to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a main body structure of a dust collector, which solves the technical problem of low suction force of the dust collector in the prior art.
The invention also aims to provide a dust collector which comprises the main body structure of the dust collector and is used for solving the technical problem of low suction force of the dust collector.
In view of the first object, the present invention provides a main body structure of a vacuum cleaner, including a suction pipe assembly and a motor assembly;
a space between the suction tube assembly and the motor assembly for receiving a dirt cup assembly;
the suction channel of the suction pipe assembly and the air inlet end of the motor assembly are positioned on the same horizontal line.
Optionally, in the main body structure of the dust collector, the suction pipe assembly includes a suction pipe;
the suction pipe comprises a suction pipe air inlet end and a suction pipe air outlet end; the pipeline between the air inlet end of the suction pipe and the air outlet end of the suction pipe forms the suction channel.
The gas firstly flows through the suction channel before entering the dust collecting cup, the suction channel has smaller pipeline diameter, and can effectively prevent larger objects from directly entering the dust collecting cup along with the gas, so that the filter element in the dust collecting cup is prevented from being blocked, and the gas cannot filter dust and even burns out the motor. Specifically, the suction tube assembly comprises a suction tube and a conical shell, the large end of the conical shell is used for being connected with the dust cup assembly; the suction pipe is embedded into the conical shell along the axis of the conical shell, and the air inlet end of the suction pipe penetrates out from the small end of the conical shell. The suction pipe assembly has simple and stable structure and reduces vibration generated by air flow.
Optionally, the main body structure of the dust collector further comprises a shell;
the motor component is fixed at the front end of the shell; an exhaust structure is arranged at the rear end of the shell.
The motor assembly is fixed through the shell, and because the gas is finally discharged from the outer side of the motor assembly, an exhaust structure is arranged at the rear end of the shell, so that the motor assembly can be fixed, and the smooth discharge of the gas is ensured.
Optionally, in the main body structure of the dust collector, a motor air inlet hole is formed in the front end face of the shell;
the motor air inlet corresponds to the air inlet end of the motor assembly, and the circle center of the motor air inlet is arranged on the axis of the suction pipe.
The circle centers of the air inlet and the air outlet of the dust cup are all on the integral axis of the dust cup, and before the air flows through the dust cup and enters the motor, the air enters through the air inlet of the motor at the front end of the shell, so that the air can be prevented from being discharged from the joint of the dust cup component and the motor component.
Optionally, the main body structure of the dust collector further comprises a handle;
the handle is fixed on the shell.
The front end of the shell is used for fixing the motor component, and the weight of the motor component is heavier than that of the suction pipe component and the dust collecting cup component, so that the handle is arranged on the front end of the shell, and the dust collector is more stable to grasp and convenient to use.
Optionally, in the main body structure of the dust collector, the suction pipe assembly is connected with the shell through a connecting plate;
the bottom of the suction pipe assembly and the bottom of the shell are respectively lapped at two ends of the connecting plate.
The connecting plate is arranged at the bottoms of the suction pipe assembly and the dust collecting cup assembly, so that the suction pipe assembly and the dust collecting cup assembly are supported conveniently, and if the bottom of the connecting plate is further provided with the supporting feet, the dust collector is placed conveniently.
Optionally, in the main body structure of the dust collector, a shape of a top surface of the connecting plate corresponds to a shape of an outer wall surface of the dust cup assembly.
Optionally, in the main body structure of the dust collector, a top surface of the connecting plate is a concave cambered surface.
Optionally, in the main body structure of the dust collector, a connecting convex column extends from one end close to the suction pipe assembly to one end close to the shell at the bottom of the connecting plate;
the extending end of the connecting convex column is connected with the handle.
The convex column is welded with the connecting plate or integrally formed, the strength of the connecting plate can be increased, and the extending end of the convex column is provided with a connecting structure which is connected with the handle.
Optionally, in the main body structure of the dust collector, the handle is arc-shaped; one end of the handle is connected with the extending end of the connecting convex column, and the other end of the handle is connected with the top of the shell.
Optionally, in the main body structure of the dust collector, the exhaust structure is an exhaust hole arranged on the rear end of the shell.
Based on the second object, the invention provides a dust collector, which comprises a dust collecting cup assembly and a main body structure of the dust collector;
the dust cup assembly is fixed between the suction pipe assembly and the motor assembly and is communicated with the suction channel and the air inlet end of the motor assembly.
The main body structure of the dust collector provided by the invention comprises a suction pipe component and a motor component; a space between the suction tube assembly and the motor assembly for receiving a dirt cup assembly; the suction channel of the suction pipe assembly and the air inlet end of the motor assembly are positioned on the same horizontal line. The main structure of the dust collector is used for installing and fixing the dust cup, the suction channel of the suction pipe assembly and the air inlet end of the motor assembly are respectively communicated with the air inlet and the air outlet of the dust cup, and when the dust collector works, air flows through the suction channel, the air circulation channel in the dust cup and the motor assembly and is finally discharged from the outer side of the motor assembly. Because the suction channel of the suction pipe assembly and the air inlet end of the motor assembly are positioned on the same horizontal line, the path of air flowing through the suction channel and the motor assembly is shortest except the air flowing channel in the dust cup, the negative pressure suction generated by the motor is not easy to receive loss, and the suction force of the dust collector is large.
The dust collector comprises a dust collecting cup assembly and the main body structure of the dust collector, wherein the dust collecting cup assembly is fixed between the suction pipe assembly and the motor assembly and is communicated with the suction channel and the air inlet end of the motor assembly. The dust collector provided by the invention comprises the main body structure of the dust collector, so that the dust collector has all the advantages of the main body structure of the dust collector.
Based on the above, compared with the prior art, the invention has the advantage of large suction force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a main body structure of a dust collector according to a first view angle;
fig. 2 is a schematic structural diagram of a main body structure of a dust collector according to a second view angle;
fig. 3 is a schematic structural view of a main body structure of a dust collector according to a third view angle;
fig. 4 is a schematic structural diagram of a fourth view angle of a main body structure of a dust collector according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a vacuum cleaner according to an embodiment of the present invention.
Icon: 100-a suction tube assembly; 101-a suction tube; 1011—intake end of suction pipe; 1012, sucking the air outlet end of the pipe; 102-a conical housing; 200-a motor assembly; 201-an air inlet end of the motor assembly; 300-a housing; 301-the front end of the housing; 3011-an air inlet hole of a motor; 302-a rear end of the housing; 3021-an exhaust structure; 400-handle; 500-connecting plates; 600-connecting the convex column; 700-dirt cup assembly.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Fig. 1 is a schematic structural view of a main body structure of a dust collector according to a first view angle; fig. 2 is a schematic structural diagram of a main body structure of a dust collector according to a second view angle; fig. 3 is a schematic structural view of a main body structure of a dust collector according to a third view angle; fig. 4 is a schematic structural diagram of a fourth view angle of a main body structure of a dust collector according to an embodiment of the invention.
As shown in fig. 1 to 4, there is provided a main body structure of a cleaner including a suction pipe assembly 100 and a motor assembly 200 in the present embodiment;
the space between the suction tube assembly 100 and the motor assembly 200 is for accommodating a dust cup assembly 700;
the suction channel of the suction pipe assembly 100 is positioned on the same horizontal line with the air inlet end 201 of the motor assembly.
The main structure of the dust collector provided by the invention is used for installing and fixing the dust cup, the suction channel of the suction pipe assembly 100 and the air inlet end 201 of the motor assembly are respectively communicated with the air inlet and the air outlet of the dust cup, and when in operation, air flows through the suction channel, the air circulation channel in the dust cup and the motor assembly 200, and finally is discharged from the outer side of the motor assembly 200. Because the suction channel of the suction pipe assembly 100 and the air inlet end 201 of the motor assembly are positioned on the same horizontal line, besides the air flow channel inside the dust cup, the path of the air flowing through the suction channel and the motor assembly 200 is shortest, the negative pressure suction generated by the motor is not easy to be lost, and the suction force of the dust collector is large.
Based on this, the invention has the advantage of increasing the suction force of the dust collector compared with the prior art.
As shown in fig. 1 to 4, in an alternative of the present embodiment, the suction tube assembly 100 includes a suction tube 101;
the suction pipe 101 comprises a suction pipe air inlet end 1011 and a suction pipe air outlet end 1012; the conduit between the suction tube inlet end 1011 and the suction tube outlet end 1012 forms the suction channel.
The gas firstly flows through the suction channel before entering the dust collecting cup, the suction channel has smaller pipeline diameter, and can effectively prevent larger objects from directly entering the dust collecting cup along with the gas, so that the filter element in the dust collecting cup is prevented from being blocked, and the gas cannot filter dust and even burns out the motor. Specifically, the suction tube assembly 100 includes a suction tube 101 and a tapered housing 102, the large end of the tapered housing 102 for connection with the dirt cup assembly 700; the suction pipe 101 is inserted into the tapered housing 102 along the axial center of the tapered housing 102, and the suction pipe intake end 1011 passes out from the small end of the tapered housing 102. The suction pipe assembly 100 has a simple and stable structure, and reduces vibration generated by an air flow.
In an alternative of this embodiment, the apparatus further comprises a housing 300;
the motor assembly 200 is fixed at the front end 301 of the housing; an exhaust structure 3021 is provided on the rear end 302 of the housing.
In this embodiment, the motor assembly 200 is secured by the housing 300. Since the gas is finally discharged from the outside of the motor assembly 200, the exhaust structure 3021 is provided on the rear end of the housing 300, which ensures both the fixation of the motor assembly 200 and the smooth discharge of the gas.
In the above technical solution, further, a motor air inlet 3011 is provided on the end face of the front end 301 of the housing;
the motor air inlet 3011 corresponds to the air inlet end 201 of the motor assembly, and the center of the motor air inlet 3011 is on the axis of the suction pipe 101.
The centers of the air inlet and the air outlet of the dust cup are on the integral axis of the dust cup, and before the air flows through the dust cup and enters the motor, the air enters the dust cup through the motor air inlet 3011 at the front end of the shell 300, so that the air can be prevented from being discharged from the joint of the dust cup assembly 700 and the motor assembly 200.
In an alternative of this embodiment, the device further comprises a handle 400;
the handle 400 is fixed to the housing 300.
The front end 301 of the housing is used to secure the motor assembly 200, and the motor assembly 200 is heavier than the suction tube assembly 100 and the dirt cup assembly 700, so that the handle 400 is provided on the front end 301 of the housing, and is more stable to grasp the cleaner for use.
In the above technical solution, further, the suction pipe assembly 100 and the housing 300 are connected through a connection plate 500;
the bottom of the suction pipe assembly 100 and the bottom of the housing 300 are respectively overlapped at both ends of the connection plate 500.
The connection plate 500 is used for connecting the suction tube assembly 100 and the dust cup assembly 700, and the connection plate 500 is arranged at the bottoms of the suction tube assembly 100 and the dust cup assembly 700 in the embodiment, so that the suction tube assembly 100 and the dust cup assembly 700 are conveniently supported, and if the bottom of the connection plate 500 is further provided with supporting feet, the dust collector is conveniently placed.
In the above aspect, further, the shape of the top surface of the connection plate 500 corresponds to the shape of the outer wall surface of the dust cup assembly 700.
In the above technical solution, further, the top surface of the connection plate 500 is a concave cambered surface.
Specifically, the top surface shapes of both ends of the connection plate 500 correspond to the outer wall shapes of the suction tube assembly 100 and the housing 300, respectively, to achieve better support. Since the bottom contours of the suction pipe assembly 100 and the housing 300 are both cambered surfaces, the connection plate 500 is preferably a concave cambered surface corresponding to the cambered contours of the suction pipe assembly 100 and the housing 300.
In the above-mentioned solution, further, the bottom of the connection plate 500 extends from one end near the suction tube assembly 100 to one end near the housing 300 to form a connection protrusion 600;
the extension end of the connection boss 600 is connected to the handle 400.
In the above technical solution, further, the handle 400 is arc-shaped; one end of the handle 400 is connected to the extended end of the connection boss 600, and the other end is connected to the top of the housing 300.
As shown in fig. 1 to 4, the stud is welded or integrally formed with the connection plate 500, which can increase the strength of the connection plate 500, and the extension end of the stud is provided with a connection structure which is connected with the handle 400. The handle 400 of the present embodiment is preferably arc-shaped, and one end of the handle 400 is connected to the extension end through a connection structure, and the other end is fixed to the top of the housing 300.
In an alternative to this embodiment, the venting structure 3021 is a vent hole disposed on the rear end 302 of the housing.
Example two
As shown in fig. 5, the vacuum cleaner provided in this embodiment includes a main body structure of the vacuum cleaner provided in the first embodiment, and the technical solution described in the first embodiment also belongs to this embodiment, and the description of the technical solution described in the first embodiment is not repeated.
Specifically, in the present embodiment, a dust collector structure is provided, and the dust collector includes a dust cup assembly 700, and the main structure of the dust collector. The dirt cup assembly 700 is secured between the suction tube assembly 100 and the motor assembly 200 and communicates with the suction passage and the air intake end 201 of the motor assembly. The dust collector provided by the invention comprises the main body structure of the dust collector, so that the dust collector has all the advantages of the main body structure of the dust collector.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (5)

1. The main body structure of the dust collector is characterized by comprising a suction pipe assembly and a motor assembly;
a space between the suction tube assembly and the motor assembly for receiving a dirt cup assembly;
the suction channel of the suction pipe assembly and the air inlet end of the motor assembly are positioned on the same horizontal line;
the main body structure of the dust collector also comprises a shell;
the motor component is fixed at the front end of the shell; an exhaust structure is arranged at the rear end of the shell;
a motor air inlet hole is formed in the front end face of the shell;
the motor air inlet hole corresponds to the air inlet end of the motor assembly, and the circle center of the motor air inlet hole is arranged on the axis of the suction pipe;
the suction pipe assembly is connected with the shell through a connecting plate;
the bottom of the suction pipe assembly and the bottom of the shell are respectively overlapped at two ends of the connecting plate;
the shape of the top surface of the connecting plate corresponds to the shape of the outer wall surface of the dust cup assembly;
the main body structure of the dust collector also comprises a handle;
the handle is fixed on the shell
The top surface of the connecting plate is a concave cambered surface;
the bottom of the connecting plate extends from one end close to the suction pipe assembly to one end close to the shell to form a connecting convex column;
the extending end of the connecting convex column is connected with the handle.
2. The main body structure of the vacuum cleaner of claim 1, wherein the suction pipe assembly includes a suction pipe;
the suction pipe comprises a suction pipe air inlet end and a suction pipe air outlet end; the pipeline between the air inlet end of the suction pipe and the air outlet end of the suction pipe forms the suction channel.
3. The main body structure of the vacuum cleaner as claimed in claim 1, wherein the handle is arc-shaped; one end of the handle is connected with the extending end of the connecting convex column, and the other end of the handle is connected with the top of the shell.
4. The main body structure of the cleaner according to claim 1, wherein the exhaust structure is an exhaust hole disposed on a rear end of the housing.
5. A vacuum cleaner comprising a dirt cup assembly and a main body structure of the vacuum cleaner of any one of claims 1 to 4;
the dust cup assembly is fixed between the suction pipe assembly and the motor assembly and is communicated with the suction channel and the air inlet end of the motor assembly.
CN201910153378.8A 2019-02-28 2019-02-28 Main body structure of dust collector and dust collector Active CN109662646B (en)

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CN109662646B true CN109662646B (en) 2024-03-29

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110432828A (en) * 2019-09-03 2019-11-12 小狗电器互联网科技（北京）股份有限公司 Motor wind-collecting cover and dust catcher for dust catcher

Citations (6)

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Publication number Priority date Publication date Assignee Title
GB472676A (en) * 1936-02-15 1937-09-28 Radiofabriek & Ingenieursburea Improvements in or relating to vacuum cleaners
CN107773151A (en) * 2017-11-30 2018-03-09 莱克电气股份有限公司 A kind of wireless handheld dust catcher
CN108065861A (en) * 2016-11-16 2018-05-25 百得有限公司 Cleaning device
CN108209701A (en) * 2018-04-04 2018-06-29 小狗电器互联网科技（北京）股份有限公司 Dust catcher and its air channel structure
CN208463953U (en) * 2017-09-06 2019-02-05 莱克电气股份有限公司 A kind of hand-held rechargeable dust collector with power-off protection structure
CN209733837U (en) * 2019-02-28 2019-12-06 小狗电器互联网科技（北京）股份有限公司 Main body structure of dust collector and dust collector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB472676A (en) * 1936-02-15 1937-09-28 Radiofabriek & Ingenieursburea Improvements in or relating to vacuum cleaners
CN108065861A (en) * 2016-11-16 2018-05-25 百得有限公司 Cleaning device
CN208463953U (en) * 2017-09-06 2019-02-05 莱克电气股份有限公司 A kind of hand-held rechargeable dust collector with power-off protection structure
CN107773151A (en) * 2017-11-30 2018-03-09 莱克电气股份有限公司 A kind of wireless handheld dust catcher
CN108209701A (en) * 2018-04-04 2018-06-29 小狗电器互联网科技（北京）股份有限公司 Dust catcher and its air channel structure
CN209733837U (en) * 2019-02-28 2019-12-06 小狗电器互联网科技（北京）股份有限公司 Main body structure of dust collector and dust collector

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