CN106983446B - Ducting part and floor brush of dust collector - Google Patents
Ducting part and floor brush of dust collector Download PDFInfo
- Publication number
- CN106983446B CN106983446B CN201710349091.3A CN201710349091A CN106983446B CN 106983446 B CN106983446 B CN 106983446B CN 201710349091 A CN201710349091 A CN 201710349091A CN 106983446 B CN106983446 B CN 106983446B
- Authority
- CN
- China
- Prior art keywords
- turbine
- pipe
- air duct
- dust
- ducting part
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- 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
- A47L9/02—Nozzles
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
Abstract
The present invention discloses a kind of ducting part and floor brush of dust collector.Ducting part is used for floor brush of dust collector, and floor brush of dust collector is formed with dust suction entrance, the turbine air duct that ducting part is formed with the dust absorbing air passage being connected to dust suction entrance and is connected to dust absorbing air passage, and turbine air duct is formed with the turbine air duct entrance independently of dust suction entrance.In the ducting part of embodiment of the present invention, since turbine air duct and dust absorbing air passage have independent inlets, air-flow enters turbine air duct from turbine air duct entrance respectively, enter dust absorbing air passage with from dust suction entrance, the dust for avoiding dust suction inlet enters in turbine air duct, ensure that the cleaning in turbine air duct.
Description
Technical field
The present invention relates to cleaner technologies, more specifically, are related to a kind of ducting part and floor brush of dust collector.
Background technique
The turbine of existing Pneumatic floor brush is set up directly in dust absorbing air passage, and turbine, which is easily adhered dust or clast, to be caused to hinder
Power becomes larger, revolving speed is reduced and even stalled.
Summary of the invention
Embodiment of the present invention provides a kind of ducting part, is used for floor brush of dust collector, and the floor brush of dust collector is formed with suction
Dirt entrance, the ducting part are formed with the dust absorbing air passage being connected to the dust suction entrance and the whirlpool being connected to the dust absorbing air passage
Air duct is taken turns, the turbine air duct is formed with the turbine air duct entrance independently of the dust suction entrance.
In the ducting part of embodiment of the present invention, since turbine air duct and dust absorbing air passage have independent inlets, air-flow point
Do not enter turbine air duct from turbine air duct entrance, and enter dust absorbing air passage from dust suction entrance, avoids the dust of dust suction inlet
Into in turbine air duct, the cleaning in turbine air duct ensure that.
In one embodiment, the ducting part is made of plastics or metal.
In one embodiment, the ducting part includes sweep-up pipe and the whirlpool that connect with the outer surface of the sweep-up pipe
Wheel pipe；
The dust absorbing air passage is formed in the sweep-up pipe and is formed with dust absorbing air passage entrance and dust absorbing air passage outlet；
The turbine air duct is formed in the turbine pipe and is formed with turbine air duct entrance and is opened in the sweep-up pipe
Inner surface on turbine air duct outlet.
In one embodiment, the turbine pipe connects and forms turbine air duct to go out with the lateral surface of the sweep-up pipe
Mouthful.
In one embodiment, the sweep-up pipe is cylindrical, week of the turbine air duct outlet in the sweep-up pipe
Development length on direction is the 20%-60% of the perimeter of the sweep-up pipe.
In one embodiment, the turbine pipe is in that outlet is tapered from the turbine air duct entrance to the turbine air duct
Shape.
In one embodiment, the turbine air duct inlet is provided with turbine structure, is provide on the turbine structure
There is filter screen, the grid of the filter screen is rounded, and the diameter of the grid is 20-40 μm.
In one embodiment, the turbine pipe axis section in the plane it is tapered, the side in the section
The angle that side and the axis are formed is 2 ° -15 °.
In one embodiment, the angle is 11.49 °.
The floor brush of dust collector of embodiment of the present invention, including bottom case are provided with multiple tracks supporting rib, the branch on the bottom case
Supportting muscle includes supporting surface, and the outer surface cooperation of the supporting surface and the ducting part installs the ducting part to stablize.
In the floor brush of dust collector of embodiment of the present invention, supporting rib enables ducting part to be stably mounted to floor brush of dust collector
It is interior, it will not collide because of floor brush of dust collector or fall and influence sealing performance.
In one embodiment, the floor brush of dust collector includes negative pressure portion, and the negative pressure portion passes through connecting tube and described
Ducting part connection.
In one embodiment, the connecting tube is scalable.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partially will be from following
Become obvious in description, or the practice of embodiment is recognized through the invention.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of embodiment of the present invention retouch embodiment from conjunction with following accompanying drawings
It will be apparent and be readily appreciated that in stating, in which:
Fig. 1 is the stereoscopic schematic diagram of the floor brush of dust collector of embodiment of the present invention.
Fig. 2 is the stereoscopic schematic diagram of the ducting part of embodiment of the present invention.
Fig. 3 is another stereoscopic schematic diagram of the ducting part of embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more feature.In description of the invention
In, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can be in communication with each other；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter to the component of specific examples and being set for describing.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
A kind of ducting part 100 that embodiment of the present invention provides is used for floor brush of dust collector 1000.Floor brush of dust collector 1000
It is formed with dust suction entrance 12.Ducting part 100 be formed with the dust absorbing air passage 10 being connected to dust suction entrance 12 and with dust absorbing air passage 10
The turbine air duct 20 of connection, turbine air duct 20 are formed with the turbine air duct entrance 22 independently of dust suction entrance 12.
When the floor brush of dust collector 1000 of embodiment of the present invention works, since turbine air duct 20 and dust absorbing air passage 10 have solely
Vertical entrance, air-flow enters turbine air duct 20 from turbine air duct entrance 22 respectively, and enters dust absorbing air passage 10 from dust suction entrance 12, keeps away
Exempt from the dust at dust suction entrance 12 to enter in turbine air duct 20, ensure that the cleaning in turbine air duct 20.
Specifically, dust suction entrance 12 is rounded, and dust absorbing air passage 10 is in long straight circular cylinder type.
In this way, entering dust absorbing air passage 10 by dust suction entrance 12 convenient for dust is smooth.Meanwhile structure is simply easily fabricated.
Specifically, turbine air duct entrance 22 is rounded.
In this way, entering turbine air duct 20 convenient for airflow smooth, is conducive to floor brush of dust collector 1000 and cleaner is better achieved
Make.
Specifically, in present embodiment, turbine air duct 20 is formed with the turbine air duct entrance 22 independently of dust suction entrance 12
Refer to that the air-flow at dust suction entrance 12 will not enter in turbine air duct 20.
In this way, ensure that the cleaning in turbine air duct 20.
In some embodiments, ducting part 100 is made of plastics or metal.
100 mass of plastics ducting part is smaller, is mounted on floor brush of dust collector 1000, alleviates floor brush of dust collector 1000
Overall weight, the more conducively movement of floor brush of dust collector 1000.In addition, plastics cost is lower, floor brush of dust collector 1000 is reduced
Overall cost；The assembling of the ducting part 100 of metal, usually using the method for welding between part and part, to improve
The leakproofness of ducting part 100 enhances the cleaning effect of floor brush of dust collector 1000.In addition, the hardness of metal ducting part 100
Higher, when floor brush of dust collector 1000 is collided or falls, ducting part 100 is hardly damaged, and extends floor brush of dust collector
1000 service life.
In some embodiments, ducting part 100 includes sweep-up pipe 14 and the whirlpool connecting with the outer surface of sweep-up pipe 14
Take turns pipe 24.Dust absorbing air passage 10 is formed in sweep-up pipe 14 and is formed with dust absorbing air passage entrance 16 and dust absorbing air passage outlet 18.Turbine
The turbine that air duct 20 is formed in turbine pipe 24 and is formed with turbine air duct entrance 22 and is opened on the inner surface of sweep-up pipe 14
Ducting outlet 26.
In this way, air-flow enters turbine pipe 24 from turbine air duct entrance 22, and enters sweep-up pipe from turbine air duct outlet 26
14, the suction far from dust absorbing air passage entrance 16 is generated, so that the air-flow that dust absorbing air passage entrance 16 carries dust enters sweep-up pipe 14,
And export 18 directions to dust absorbing air passage and move, into dust bag or dust-collecting box (not shown), to complete to dust on ground
Cleaning.
In some embodiments, turbine pipe 24 connects with the lateral surface of sweep-up pipe 14 and forms turbine air duct outlet 26.
In this way, the mode that turbine pipe 24 is connected with the lateral surface of sweep-up pipe 14 more saves the sky in floor brush of dust collector 1000
Between, the volume of floor brush of dust collector 1000 is reduced, the user that is more convenient for uses and stores.Meanwhile compared to turbine pipe 24 and dust suction
14 face of pipe connects, and in this connection type, when air-flow enters sweep-up pipe 14 from turbine pipe 24, impacts the road of the inner wall of sweep-up pipe 14
Diameter is shorter, and flow velocity is higher, to improve the suction that dust absorbing air passage entrance 16 exports 18 directions to dust absorbing air passage, and then improves and inhales
The flow velocity of dust at dirt entrance 12 enhances the cleaning effect of floor brush of dust collector 1000.
Specifically, after the lateral surface in present embodiment refers to that turbine pipe 24 and sweep-up pipe 14 are stably connected with, sweep-up pipe
14 axis x and the axis y of turbine pipe 24 do not intersect.
Further, the distance between the axis x of sweep-up pipe 14 and the axis y of turbine pipe 24 are bigger, and air-flow is from turbine wind
Flow velocity when pouring in sweep-up pipe 14 at road outlet 26 is faster, and the cleaning effect of floor brush of dust collector 1000 is better.
In some embodiments, sweep-up pipe 14 is cylindrical, circumferential direction of the turbine air duct outlet 26 in sweep-up pipe 14
On development length a be sweep-up pipe 14 perimeter 20%-60%.
In this way, ensure that dust smooth can pass through in sweep-up pipe 14.Meanwhile it ensure that from turbine air duct 20 and entering dust suction
The air-flow of pipe 14 is sufficient, ensure that the cleaning efficiency of floor brush of dust collector 1000.
Preferably, in the present embodiment, development length a of the turbine air duct outlet 26 in the circumferential direction of sweep-up pipe 14
It is the 25% of the perimeter of sweep-up pipe 14.
In this way, both ensure that the quantity for entering the air-flow in sweep-up pipe 14 from turbine air duct 20, dust suction is also allowed airflow into
There is preferable flow velocity, to improve the dust suction speed of floor brush of dust collector 1000 when pipe 14.
Specifically, turbine pipe 24 is cylindrical.
In this way, air-flow smooth can pass through in the straight turbine pipe 24 of length, guarantee the efficiency of dust collection of floor brush of dust collector 1000.Together
When, the structure of turbine pipe 24 is simple, and it is easily fabricated, improve the manufacture efficiency of turbine pipe 24.
In some embodiments, turbine pipe 24 is in that 26 tapered shapes are exported from turbine air duct entrance 22 to turbine air duct
Shape.
In this way, the tapered configuration of turbine air duct 20 makes to bring about the desired sensation after air-flow is from turbine air duct entrance 22 into turbine air duct 20
The path of stream is more and more narrow, and air-flow velocity is forced to increase, thus when air-flow enters sweep-up pipe 14 by turbine air duct outlet 26, tool
There are high flow velocities.
Specifically, in one embodiment, the turbine pipe 24 of tapered shape its axis y section in the plane can
To be taper, asterism etc., herein with no restrictions.
In some embodiments, it is provided with turbine structure 28 at turbine air duct entrance 22, is covered on turbine structure 28
The grid of filter screen 282, filter screen 282 is rounded, and the diameter of grid is 20-40 μm.
In this way, filter screen 282, which will not influence air-flow, enters turbine air duct 20, but effectively prevent be mingled in air-flow it is thin
The pollutants such as small particulate matter or clast enter turbine air duct 20, are attached on the inner wall of turbine air duct 20, influence air-flow in whirlpool
The smoothness flowed in wheel air duct 20, to influence the performance of ducting part 100.
Specifically, filter screen 282 is mounted on the shell of turbine structure 28 by way of engaging.
In this way, filter screen 282 is easy to disassemble from turbine structure 28, cleaned convenient for user, guarantees filter screen
282 strainability and permeability.
In some embodiments, turbine pipe 24 axis y section in the plane it is tapered, the side in section and axis
The angle α that line is formed is 2 ° -15 °.
In this way, the preferable air inlet effect of turbine pipe 24 can be reached, the angle α that the side and axis y for avoiding section are formed
When too small, air-flow flowed in turbine pipe 24 cleaning effect and section that influence floor brush of dust collector 1000 slowly side and
When the angle α that axis y is formed is excessive, air-flow mutual extrusion at turbine air duct outlet 26 forms turbulent flow, slows down floor brush of dust collector
1000 dust suction speed.
In some embodiments, angle is 11.49 °.
Specifically, when the angle α formed in the side in section with axis y is 11.49 °, air-flow is passed through with faster flow velocity
Turbine pipe 24 enters sweep-up pipe 14, forms turbulent flow without the air-flow at turbine air duct outlet 26 and in dust absorbing air passage 10.
The floor brush of dust collector 1000 of embodiment of the present invention includes bottom case 200, is provided with multiple tracks supporting rib on bottom case 200
202, supporting rib 202 includes supporting surface 204, and the outer surface cooperation of supporting surface 204 and ducting part 100 installs air duct portion to stablize
Part 100.
In this way, supporting rib 202 enables ducting part 100 to be stably mounted in floor brush of dust collector 1000, it will not be because of dust suction
Device scrubbing brush 1000 collides or falls and influence sealing performance.
Specifically, supporting surface 204 is in arc-shaped.
In this way, being able to achieve cooperation between supporting surface 204 and ducting part 100, stablize installation ducting part 100.
Further, in one example, it can be padded between supporting surface 204 and ducting part 100 and set the flexible materials such as rubber.
In this way, flexible material can provide buffering for ducting part 100 when floor brush of dust collector 1000 collides or falls,
The risk that ducting part 100 damages is reduced, guarantees the leakproofness of ducting part 100, and then ensure that floor brush of dust collector 1000
Dust collection efficiency.
Further, dust catcher further includes upper cover.In one example, supporting rib 202 is also equipped on upper lid.
In this way, the supporting rib 202 and ducting part 100 in upper cover and bottom case 200 cooperate jointly, it is further ensured that air duct portion
The stability on floor brush of dust collector 1000 is arranged in part 100.
In one embodiment, floor brush of dust collector 1000 includes negative pressure portion (not shown), and negative pressure portion passes through connecting tube 206
It is connected to ducting part 100.
In this way, negative pressure portion generates negative pressure, by the air-flow in dust absorbing air passage 10 and turbine air duct 20 to far from dust suction entrance 12
Direction take out, realize Pneumatic floor brush.
Specifically, negative pressure portion includes motor (not shown) and draught fan impeller (not shown).
In this way, negative pressure portion is discharged under motor high-speed driving, by the air high speed in draught fan impeller in draught fan impeller, simultaneously
The air in dust absorbing air passage 10 and turbine air duct 20 is set constantly to be supplemented in negative pressure portion, the dust at dust suction entrance 12 is with dust suction wind
Air-flow in road 10 enters dust bag or dust-collecting box, to realize the collection of dust.
In some embodiments, connecting tube 206 is scalable.
In this way, floor brush of dust collector 1000 is in use, connecting tube 206 can buffer negative pressure portion and floor brush of dust collector 1000
Main part between relative motion, avoid the connecting tube 206 in moving process of floor brush of dust collector 1000 from being broken, extend
The service life of floor brush of dust collector 1000.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Although embodiments of the present invention have been shown and described above, it is to be understood that above embodiment is
Illustratively, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be right
Above embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of ducting part, is used for floor brush of dust collector, the floor brush of dust collector is formed with dust suction entrance, which is characterized in that institute
It states ducting part and is formed with the dust absorbing air passage being connected to the dust suction entrance and the turbine air duct being connected to the dust absorbing air passage, institute
It states turbine air duct and is formed with turbine air duct entrance independently of the dust suction entrance；
The ducting part includes sweep-up pipe and the turbine pipe that connect with the outer surface of the sweep-up pipe；
The dust absorbing air passage is formed in the sweep-up pipe and is formed with dust absorbing air passage entrance and dust absorbing air passage outlet；
The turbine air duct is formed in the turbine pipe and is formed with turbine air duct entrance and is opened in the interior of the sweep-up pipe
Turbine air duct outlet on surface, the turbine pipe is tapered in axis institute section in the plane, the side in the section with
The angle that the axis is formed is 2 ° -15 °.
2. ducting part as described in claim 1, which is characterized in that the ducting part is made of plastics or metal.
3. ducting part as described in claim 1, which is characterized in that the turbine pipe is connected with the lateral surface of the sweep-up pipe
And form turbine air duct outlet.
4. ducting part as described in claim 1, which is characterized in that the sweep-up pipe is cylindrical, and the turbine air duct goes out
Development length of the mouth in the circumferential direction of the sweep-up pipe is the 20%-60% of the perimeter of the sweep-up pipe.
5. ducting part as described in claim 1, which is characterized in that the turbine pipe is in from the turbine air duct entrance to institute
It states turbine air duct and exports tapered shape.
6. ducting part as described in claim 1, which is characterized in that the turbine air duct inlet is provided with turbine structure,
Filter screen is covered on the turbine structure, the grid of the filter screen is rounded, and the diameter of the grid is 20-40 μm.
7. ducting part as described in claim 1, which is characterized in that the angle is 11.49 °.
8. a kind of floor brush of dust collector, which is characterized in that the floor brush of dust collector includes described in bottom case and claim any one of 1-7
Ducting part, be provided with multiple tracks supporting rib on the bottom case, the supporting rib includes supporting surface, the supporting surface and the wind
The outer surface cooperation of road component installs the ducting part to stablize.
9. floor brush of dust collector as claimed in claim 8, which is characterized in that the floor brush of dust collector includes negative pressure portion, described negative
Splenium is connected to by connecting tube with the ducting part.
10. floor brush of dust collector as claimed in claim 9, which is characterized in that the connecting tube is scalable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349091.3A CN106983446B (en) | 2017-05-17 | 2017-05-17 | Ducting part and floor brush of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349091.3A CN106983446B (en) | 2017-05-17 | 2017-05-17 | Ducting part and floor brush of dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106983446A CN106983446A (en) | 2017-07-28 |
| CN106983446B true CN106983446B (en) | 2019-02-15 |
Family
ID=59419496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710349091.3A Active CN106983446B (en) | 2017-05-17 | 2017-05-17 | Ducting part and floor brush of dust collector |
Country Status (1)
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| CN (1) | CN106983446B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100208134B1 (en) * | 1997-06-25 | 1999-07-15 | 최진호 | Suction device of vacuum cleaner |
| GB2393383B (en) * | 2002-09-24 | 2005-12-28 | Dyson Ltd | A vacuum cleaning head |
| JP2006239077A (en) * | 2005-03-02 | 2006-09-14 | Toshiba Tec Corp | Vacuum cleaner and its suction body |
| JP2010207400A (en) * | 2009-03-10 | 2010-09-24 | Sanyo Electric Co Ltd | Suction device for vacuum cleaner |
| JP2012005574A (en) * | 2010-06-23 | 2012-01-12 | Mitsubishi Electric Corp | Floor suction tool and vacuum cleaner using floor suction tool |
| CN103190862B (en) * | 2012-01-06 | 2015-12-09 | 科沃斯机器人有限公司 | Pneumatic floor brush and vacuum cleaner thereof |
| DE202013103961U1 (en) * | 2013-07-08 | 2013-09-16 | Wessel-Werk Gmbh | Cleaning device for wet cleaning of floor surfaces |
| CN204722974U (en) * | 2015-05-21 | 2015-10-28 | 苏州展翘电器有限公司 | The pneumatic round brush of a kind of control of dust air channel and turbine drives air channel isolating construction |
-
2017
- 2017-05-17 CN CN201710349091.3A patent/CN106983446B/en active Active
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| CN106983446A (en) | 2017-07-28 |
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