CN201119845Y - Nozzle for electric suction cleaner and electric suction cleaner using the same - Google Patents
Nozzle for electric suction cleaner and electric suction cleaner using the same Download PDFInfo
- Publication number
- CN201119845Y CN201119845Y CNU2007201775084U CN200720177508U CN201119845Y CN 201119845 Y CN201119845 Y CN 201119845Y CN U2007201775084 U CNU2007201775084 U CN U2007201775084U CN 200720177508 U CN200720177508 U CN 200720177508U CN 201119845 Y CN201119845 Y CN 201119845Y
- Authority
- CN
- China
- Prior art keywords
- cleaner head
- suction chamber
- air
- dust
- air channel
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a vacuum cleaner head which can't fume front dust on the front side of the vacuum cleaner head and an electric vacuum cleaner which has the vacuum cleaner. The vacuum cleaner head of the invention comprises a suction chamber (9) which is formed in the vacuum cleaner head, a rotary brush (10) which can rotate freely on the rotary radius position of a front wall of the inner side of the suction chamber, an air duct (13) which is positioned between the upper part of the vacuum cleaner head and the suction chamber, wherein the air duct is designed into an opening part (14) which is opened on the front side of the vacuum cleaner head and the front side of a rotary center of the rotary brush corresponding to suction chamber and is communicated with a component modulation hole (15) which is opened on the roof of a conduit and the vacuum cleaner head towards outside, a rotatable modulation valve (16) which does open-close switch is arranged between an opening on one side of a conduit (6) of the air duct and an air quantity component modulation hole. Thereby, the gas flow from the exterior of the opening part becomes a convey gas flow and prevents the dust on the front corner from fuming outsides.
Description
Technical field
The utility model relate to a kind of for the rubbish in the corner, the place ahead have excellent cleaning performance dust absorption head for electric vacuum cleaner, and use the electric dust collector of this cleaner head.
Background technology
Existing dust absorption head for electric vacuum cleaner is provided with as shown in Figure 4: by the cleaner head body 18 that is connected with dust catcher body communicating pipe 17; The suction inlet 19 that be located on the preceding bottom surface of described cleaner head body 18, is communicated with described communicating pipe 17; Be arranged near the described suction inlet 19, top has air inlet and is provided with the vent passages 20 of puff prot in cleaning face one side.In addition, in such electric dust collector, the cross-sectional area of above-mentioned vent passages 20 is diminish gradually on the direction of described puff prot (wherein an example can be opened flat 11-89767 with reference to the open communique spy of Japan Patent).
But, in above-mentioned existing dust absorption head for electric vacuum cleaner, owing to formed, can make dust disperse from the air of ejiction opening ejection and come, thereby produce the problem that can not can scatter and come by the collected rubbish of dust-absorbing airflow by the structure of ejiction opening to subaerial part injection air.
The utility model content
In order to solve the above-mentioned problems in the prior art, dust catcher of the present utility model comprises with cleaner head: the dust absorption head for electric vacuum cleaner body; On the described cleaner head bottom surface towards below the suction inlet of opening; Be formed on the suction chamber of described cleaner head inside; Adjacent with described suction inlet and be located at apart from the distance of described suction chamber inner front locational rotation rotating brush freely near radius of turn; Be arranged on the rear side of described cleaner head and be positioned near the center on the length direction conduit; And be arranged on the top of described cleaner head and the air channel between the described suction chamber.Described air channel is configured to be connected with the front part of the described suction chamber that is arranged in described cleaner head and at the peristome of the front openings of the pivot of described rotating brush, and the air quantity of opening is regulated and mouthful is connected laterally on rear section and described conduit and the end face in described cleaner head; And the opening of conduit one side in described air channel and described air quantity are regulated between the mouth and are provided with the rotatable control valve that can open and close switching.
Adopt after the said structure, the attraction air-flow that is produced in suction inlet by the peristome that is located at suction chamber the place ahead also can produce forwardly, and rotating brush is set near the front side of cleaner head always.Like this, the dust of cleaner head front side can be risen by the rotation sweeping on one side, from peristome drink up on one side, thereby efficient that can be very high ground captures the dust in the place ahead.
In addition, when the negative pressure of suction chamber rose, the air channel side also can be applied in very big negative pressure, and cleaner head is inhaled extremely on swept surface.But the control valve in the utility model can allow air quantity adjusting mouth be communicated with inspiration extraneous air, and the opening of closure catheter for closing one side with the air channel when producing bigger negative pressure in the air channel.Like this, air intake passage will switch to the extraneous air flow channel from dust absorption passage, and the negative pressure of suction chamber will reduce, thereby prevents absorption.Simultaneously, carry extraneous air by the place ahead to suction chamber, the extraneous air air-flow will become the air-flow that transports that dust is guided to the suction chamber direction, and will be diffusing thereby the mechanical force that can prevent to be set to the rotating brush of front side wall is swept the dust in anterior corner laterally always, can realize high efficiency control of dust.
The technique effect that the utility model produces is as follows.Adopt after the utility model, the attraction air-flow that is produced in suction inlet by the peristome that is located at suction chamber the place ahead also can produce forwardly, and rotating brush is set near the front side of cleaner head always.Like this, the dust of cleaner head front side can be risen by the rotation sweeping on one side, from peristome drink up on one side, thereby efficient that can be very high ground captures the dust in the place ahead.In addition, when the negative pressure of suction chamber rose, the air channel side also can be applied in very big negative pressure, and cleaner head is inhaled extremely on swept surface.But the control valve in the utility model can allow air quantity adjusting mouth be communicated with inspiration extraneous air, and the opening of closure catheter for closing one side with the air channel when producing bigger negative pressure in the air channel.Like this, air intake passage will switch to the extraneous air flow channel from dust absorption passage, and the negative pressure of suction chamber will reduce, thereby prevents absorption.Simultaneously, carry extraneous air by the place ahead to suction chamber, the extraneous air air-flow will become the air-flow that transports that dust is guided to the suction chamber direction, and will be diffusing thereby the mechanical force that can prevent to be set to the rotating brush of front side wall is swept the dust in anterior corner laterally always, can realize high efficiency control of dust.
Preferred embodiment of the utility model is as follows.Dust catcher described in the utility model embodiment 1 comprises with cleaner head: the cleaner head that electric dust collector is used; On the described cleaner head bottom surface towards below the suction inlet of opening; Be formed on the suction chamber of described cleaner head inside; Adjacent with described suction inlet and be located at apart from the distance of described suction chamber inner front locational rotation rotating brush freely near radius of turn; Be arranged on the rear side of described cleaner head and be positioned near the center on the length direction conduit; And be arranged on the top of described cleaner head and the air channel between the described suction chamber.Described air channel is configured to be connected with the front part of the described suction chamber that is arranged in described cleaner head and at the peristome of the front openings of the pivot of described rotating brush, and the air quantity of opening is regulated and mouthful is connected laterally on rear section and described conduit and the end face in described cleaner head; And the opening of conduit one side in described air channel and described air quantity are regulated between the mouth and are provided with the rotatable control valve that can open and close switching.Like this, the attraction air-flow that is produced in suction inlet by the peristome that is located at suction chamber the place ahead also can produce forwardly, and rotating brush is set near the front side of cleaner head always.Like this, the dust of cleaner head front side can be risen by the rotation sweeping on one side, from peristome drink up on one side, thereby efficient that can be very high ground captures the dust in the place ahead.In addition, when the negative pressure of suction chamber rose, the air channel side also can be applied in very big negative pressure, and cleaner head is inhaled extremely on swept surface.But the control valve in the utility model can allow air quantity adjusting mouth be communicated with inspiration extraneous air, and the opening of closure catheter for closing one side with the air channel when producing bigger negative pressure in the air channel.Like this, air intake passage will be varied to the flow channel of extraneous air from dust absorption passage, and the negative pressure of suction chamber will reduce, thereby prevents absorption.Simultaneously, carry extraneous air by the place ahead to suction chamber, the extraneous air air-flow will become the air-flow that transports that dust is guided to the suction chamber direction, and will be diffusing thereby the mechanical force that can prevent to be set to the rotating brush of front side wall is swept the dust in anterior corner laterally always, can realize high efficiency control of dust.
Description of drawings
Fig. 1 is the disconnected sectional view of the central longitudinal of the cleaner head among the embodiment of the present utility model,
Fig. 2 is dismantle vertical view after the upper member of above-mentioned cleaner head,
Fig. 3 is the whole oblique view that the electric dust collector of above-mentioned cleaner head is installed,
Fig. 4 is the disconnected sectional view of the central longitudinal of existing cleaner head.
In the above-mentioned accompanying drawing, 1 is cleaner head, and 6 is conduit, and 8 is suction inlet, and 9 is suction chamber, and 10 is rotating brush, and 13 is the air channel, and 14 is peristome, and 15 is opening, and 16 is control valve.
The specific embodiment
Come with reference to the accompanying drawings an embodiment of the present utility model is elaborated.Need to prove that technical scope of the present utility model is not subjected to the qualification of this embodiment.
(embodiment)
Fig. 1 is the disconnected sectional view of the central longitudinal of the cleaner head among the embodiment of the present utility model, and Fig. 2 is dismantle vertical view after the upper member of the cleaner head in the foregoing description, and Fig. 3 is the whole oblique view that the electric dust collector of above-mentioned cleaner head is installed.
In the whole oblique view of Fig. 3,1 is cleaner head of the present utility model, and this cleaner head 1 is connected with electric dust collector 2 by extension pipe 4, flexible pipe 3.The inside of flexible pipe 3 and extension pipe 4 is hollow form, and the electric fan 5 that is arranged on electric dust collector 2 rear sides attracts the air of its inside and with its discharge, makes inside become vacuum state, is applied with negative pressure, attracts air-flow thereby produce.
As shown in Fig. 1, Fig. 2, on rear portion on cleaner head 1 fore-and-aft direction and the position that mediates substantially, the conduit 6 that can rotate freely is being set on direction all around.The inside of conduit 6 is hollow form, and the one end is connected on the electric dust collector 5 through extension pipe 4 and flexible pipe 3, and the other end is connected with the inside of cleaner head 1.Wherein, the opening that is connected with cleaner head 1 inside in the conduit 6 is for attracting mouth 7.
On the other hand, the structure of cleaner head 1 is: the bottom surface is provided with the suction inlet 8 towards the below opening, and suction inlet 8 is connected with attracting mouth 7, and cleaner head 1 inner formed spatial portion constitutes suction chamber 9.Suction chamber 9 is provided with rotation rotating brush 10 freely, and rotating brush 10 is adjacent with suction inlet 8, and is supported in apart from the distance of suction chamber 9 inner front and is about on the rotating shaft (not shown) of its radius of turn.Rotating brush 10 is by the left and right sides either side that is arranged on conduit 6 or be arranged to coaxial drive source 11 with conduit 6 power is provided, and can be rotated.Generally speaking, drive source 11 is arranged on the left and right sides either side of conduit 6, has set up belt 12 between rotating brush 10 and the drive source 11.In addition, drive source 11 general motor or the turbine mechanisms etc. of using.
The inside top surface of cleaner head 1 and be arranged on that formed space is air channel 13 between the dividing plate on suction chamber 9 tops.Because suction chamber 9 is roughly cylindrical shape, air channel 13 is also along cylindric formation, and the vertical cross-section shape in air channel 13 is narrowing down on the direction of the front portion of cleaner head 1 gradually.Air channel 13 is provided with a plurality of openings in the front portion of suction chamber 9, constitutes peristome 14, thereby air channel 13 is connected with suction chamber 9.Peristome 14 is positioned at the place ahead of the pivot of rotating brush 10, and in the antetheca of suction chamber 9 side opening.Preferred plan is, peristome 14 is provided with 3 places or more openings on the length direction of cleaner head 1, and particular location is the centre and the left and right sides on the length direction of cleaner head 1.
As shown in Figure 2, a plurality of peristomes 14 form air channel 13 respectively, and each air channel 13 pools together at the rear portion of cleaner head 1.In other words, air channel 13 is provided in the rear portion and concentrates on a place, shunts to each peristome 14 then.
Junction in a plurality of air channels 13 is provided with towards the opening that attracts mouth 7.Air channel 13 is configured to attraction mouthfuls 7 is communicated with peristome 14.In addition, the end face of cleaner head 1 is provided with air quantity and regulates mouth 15, and this air quantity is regulated mouth 15 and is positioned near the junction in air channel 13, and is open facing outward, and communicates with air channel 13.Like this, the rear portion in air channel 13 has the attraction mouth 7 and air quantity adjusting mouthful 15 these two places openings of conduit 6.
In order to make each opening switch/close, also be provided with the control valve 16 that can rotate freely in the cleaner head 1.Particularly, control valve 16 is configured to like this, promptly makes air quantity regulate mouth 15 when attracting mouth 7 to stop up and opens, and perhaps carries out opposite operation, closes/open handover operation.
In general, control valve 16 is installed on the rotary axle, closes by rotating, open operation.The concrete structure of control valve 16 can be, the pressure in air channel 13 during greater than atmospheric pressure valve from below the effect by added power such as springs under close and when adding negative pressure state, can open, valve self can transfer to up and down; Or under the active force of leaf spring, can finish the structure (it is not shown in the drawings to carry out afterburning structure by spring) of same operation.
Operational circumstances and effect to cleaner head with said structure is described below.When using electric dust collector 2 to carry out dust suction, electric fan 5 work with the air suction in electric fan 5 the place aheads, are rearward discharged again, make it become vacuum state, are applied with negative pressure, attract air-flow thereby produce.Particularly, such negative pressure is passed on the cleaner head 1 by flexible pipe 3, extension pipe 4, and the negative pressure that is produced becomes the attraction air-flow in cleaner head 1, the dust on the swept surface is attracted.
Negative pressure at first by conduit 6, again by attract mouthfuls 7 and suction chamber 9 be passed in the suction inlet 8.Dust is mainly collected by suction inlet 8.
At drive source 11 is under the situation of motor, and motor can obtain power supply from electric dust collector 2, and rotating brush 10 is rotated driving.On the other hand, be under the situation of turbine mechanism at drive source 11, turbine mechanism will be driven by the attraction air-flow that negative pressure produced, and its power is passed on the rotating brush 10, and rotating brush 10 is rotated.Not only the dust on the swept surface has been swept, collected during rotating brush 10 rotations, but also swept surface has been carried out sanding operation by mechanical force.The dust of having been swept by rotating brush 10 is inhaled in the dust collector host body by suction chamber 9.
On the other hand, the negative pressure that is produced also is passed in the air channel 13 by attracting mouth 7.Under the effect of the negative pressure of generation, air flows into from each peristome 14 in air channel 13, produces to attract air-flow, and with control valve 16 jack-up, making air quantity regulate mouth 15 becomes closed condition.Under this state, each peristome 14 produces along the antetheca of suction chamber 9 and attracts air-flow, and the dust in cleaner head 1 the place ahead is picked up.Simultaneously, the direction of rotation of rotating brush 10 front sides is for moving from the bottom up when the side of cleaner head 1 is observed, and the dust of having been swept by rotating brush 10 will be admitted to peristome 14, so the control of dust ability can be further enhanced.
By carrying out above-mentioned operation, the attraction air-flow that is produced in the place ahead of suction chamber 9 by peristome 13 can the concentrated area attracts operation to the dust in cleaner head 1 the place ahead, and can add the mechanical force of rotating brush 10, so the dust in cleaner head 1 the place ahead can be captured forcefully.
In addition, under some swept surface state, cleaner head 1 might be attracted on the swept surface, and the internal interface of suction chamber 9 is bordering on vacuum state.At this moment, attract mouthfuls 7 to reach same negative pressure with air channel 13, adjust valve 16 in air channel 13 high negative pressure and the air effect that flows into from the outside under be pressed, make air quantity regulate mouthful 15 unlatchings, and will attract mouthful 7 side closures, extraneous air is communicated with peristome 14, produces the extraneous air air-flow.
By making the extraneous air air-flow flow to suction chamber 9 inside, can reduce the negative pressure of suction chamber, prevent that cleaner head from producing the phenomenon of inhaling extremely on the ground.Simultaneously, the extraneous air air-flow also will become the air-flow that transports that dust is guided to suction chamber 9 directions, thereby the phenomenon that the mechanical force that can prevent from when the extraneous air air-flow from blowing to the front side, always to be set to the rotating brush 10 at top is broken up the dust in anterior corner laterally takes place, thereby can carry out control of dust expeditiously.
In addition, by adjust the open amount of control valve 16 by the negative pressure pressure of suction chamber 9 inside, the peristome 14 that can regulate 13 front portions from the air channel is directed into the extraneous air air quantity in the suction chamber 9, the open amount of the adjustment valve of opening owing to the negative pressure pressure effect that raises when increase cleaner head 1 touches the corner 16, improve the extraneous air air quantity, the negative pressure pressure of suction chamber 9 inside is descended.Afterwards, leave the moment in corner in cleaner head 1, control valve 16 moves towards closing direction, negative pressure will uprise quickly, dust will be captured forcefully under the attraction air-flow effect of its generation, add the mechanical force of rotating brush 10, the dust in cleaner head 1 the place ahead can be captured forcefully.
In addition, make under the situation that tightness rises on the high carpet of staple length and density and at things such as the front portion of cleaner head on the carpet 1 contact walls, the vacuum that is easy to form cleaner head 1 presses the condition that rises.
In sum, dust absorption head for electric vacuum cleaner of the present utility model and use the electric dust collector of this cleaner head can have no effectively to capture the dust in the corner in the room with omitting, very easy to use, always can carry out dust suction like a cork and operate.The utility model can be used in the various electric dust collectors of home-use and professional usefulness widely.
Claims (4)
1. dust catcher cleaner head is characterized in that comprising:
The dust absorption head for electric vacuum cleaner body;
On the described cleaner head bottom surface towards below the suction inlet of opening;
Be formed on the suction chamber of described cleaner head inside;
Adjacent with described suction inlet and be located at apart from the distance of described suction chamber inner front locational rotation rotating brush freely near radius of turn;
Be arranged on the rear side of described cleaner head and be positioned near the center on the length direction conduit; With
Be arranged on the top of described cleaner head and the air channel between the described suction chamber,
Described air channel is configured to be connected with the front part of the described suction chamber that is arranged in described cleaner head and at the peristome of the front openings of the pivot of described rotating brush, and the air quantity of opening is regulated and mouthful is connected laterally on rear section and described conduit and the end face in described cleaner head; And the opening of conduit one side in described air channel and described air quantity are regulated between the mouth and are provided with the rotatable control valve that opens and closes switching.
2. dust catcher cleaner head according to claim 1 is characterized in that: described peristome is provided with a plurality of, imports to respectively in the described peristome after the air channel is cut apart.
3. dust catcher cleaner head according to claim 1 and 2, it is characterized in that also comprising the attraction mouth that is communicated with conduit and suction chamber, described attraction mouth is divided into that a side is communicated with described suction chamber, opposite side is communicated with the air channel, and the vertical sectional shape in described air channel is arranged on the direction in cleaner head the place ahead and narrows down gradually.
4. electric dust collector is characterized in that comprising: be built in dust catcher body in be used for attracting that the electric fan of air-flow is connected, as any described dust catcher cleaner head of claim 1～3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-270397 | 2006-10-02 | ||
| JP2006270397A JP4816384B2 (en) | 2006-10-02 | 2006-10-02 | Vacuum cleaner suction tool and vacuum cleaner using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201119845Y true CN201119845Y (en) | 2008-09-24 |
Family
ID=39371330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201775084U Expired - Lifetime CN201119845Y (en) | 2006-10-02 | 2007-09-28 | Nozzle for electric suction cleaner and electric suction cleaner using the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4816384B2 (en) |
| CN (1) | CN201119845Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190857A (en) * | 2013-02-23 | 2013-07-10 | 四川全速轨道科技有限公司 | Dust collection component and dust collection system |
| GB2562524A (en) * | 2017-05-18 | 2018-11-21 | Dyson Technology Ltd | Suction nozzle |
| CN110693388A (en) * | 2018-07-10 | 2020-01-17 | 添可电器有限公司 | Cleaning assembly, cleaning equipment and rolling brush switching method |
| CN111685658A (en) * | 2019-03-12 | 2020-09-22 | 东芝生活电器株式会社 | Electric sweeper and suction inlet body thereof |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468514B (en) | 2009-03-12 | 2012-07-11 | Dyson Technology Ltd | A surface-treating head |
| WO2010146382A1 (en) | 2009-06-17 | 2010-12-23 | Dyson Technology Limited | A tool for a surface treating appliance |
| GB0912356D0 (en) | 2009-07-16 | 2009-08-26 | Dyson Technology Ltd | A surface treating head |
| AU2010272316B2 (en) * | 2009-07-16 | 2013-02-07 | Dyson Technology Limited | A surface treating head |
| EP2453780B1 (en) | 2009-07-16 | 2013-11-13 | Dyson Technology Limited | A surface treating head |
| GB2504940B (en) * | 2012-08-13 | 2014-12-24 | Dyson Technology Ltd | Cleaner head for a vacuum cleaner |
| EP3243417A1 (en) * | 2016-05-10 | 2017-11-15 | Nidec Corporation | Suction unit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129026A (en) * | 1983-12-19 | 1985-07-10 | 松下電器産業株式会社 | Floor nozzle of electric cleaner |
| DE4105012C2 (en) * | 1991-02-19 | 1994-09-29 | Fedag Romanshorn Fa | Vacuum cleaner mouthpiece |
| JP3819559B2 (en) * | 1997-09-25 | 2006-09-13 | 三洋電機株式会社 | Floor suction tool |
| JP3448205B2 (en) * | 1998-02-17 | 2003-09-22 | シャープ株式会社 | Vacuum cleaner suction body |
| JP4051777B2 (en) * | 1998-10-05 | 2008-02-27 | 松下電器産業株式会社 | Vacuum cleaner suction tool and vacuum cleaner |
| JP2003093289A (en) * | 2001-09-26 | 2003-04-02 | Matsushita Electric Ind Co Ltd | Suction nozzle for vacuum cleaner and vacuum cleaner using the same |
| JP2003144357A (en) * | 2001-11-09 | 2003-05-20 | Sharp Corp | Vacuum cleaner |
| JP3815610B2 (en) * | 2001-12-13 | 2006-08-30 | 東芝テック株式会社 | Vacuum cleaner and its suction port |
-
2006
- 2006-10-02 JP JP2006270397A patent/JP4816384B2/en not_active Expired - Fee Related
-
2007
- 2007-09-28 CN CNU2007201775084U patent/CN201119845Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190857A (en) * | 2013-02-23 | 2013-07-10 | 四川全速轨道科技有限公司 | Dust collection component and dust collection system |
| CN103190857B (en) * | 2013-02-23 | 2015-09-02 | 四川全速科技有限公司 | Dust suction subassembly and dust collecting system |
| GB2562524A (en) * | 2017-05-18 | 2018-11-21 | Dyson Technology Ltd | Suction nozzle |
| GB2562524B (en) * | 2017-05-18 | 2019-10-02 | Dyson Technology Ltd | Suction nozzle |
| US10667660B2 (en) | 2017-05-18 | 2020-06-02 | Dyson Technology Limited | Suction nozzle |
| CN110693388A (en) * | 2018-07-10 | 2020-01-17 | 添可电器有限公司 | Cleaning assembly, cleaning equipment and rolling brush switching method |
| CN111685658A (en) * | 2019-03-12 | 2020-09-22 | 东芝生活电器株式会社 | Electric sweeper and suction inlet body thereof |
| CN111685658B (en) * | 2019-03-12 | 2022-01-25 | 东芝生活电器株式会社 | Electric sweeper and suction inlet body thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4816384B2 (en) | 2011-11-16 |
| JP2008086550A (en) | 2008-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201119845Y (en) | Nozzle for electric suction cleaner and electric suction cleaner using the same | |
| CN2892954Y (en) | Blowing and suction disc for street cleaning vehilce | |
| EP2380475A3 (en) | Robot cleaner with improved dust collector | |
| US6018845A (en) | Vacuum cleaner and suction member thereof | |
| CN1321608C (en) | Suction cleaner | |
| CN104013352B (en) | Robot for cleaning window | |
| CN207214191U (en) | A kind of smoke deflector and application have the range hood of the smoke deflector | |
| CN201119846Y (en) | Nozzle for electric suction cleaner and electric suction cleaner using the same | |
| CN211534208U (en) | Cleaning robot | |
| CN105568915A (en) | Cleaning vehicle suction nozzle and cleaning vehicle | |
| RU2009133482A (en) | DEVICE FOR SPEED-FLOW RATE CONTROL AND A VACUUM CLEANER EQUIPPED WITH THEM | |
| CN208892422U (en) | A kind of cleaner suction nozzle changing suction size by changing sucking open area | |
| TW201000061A (en) | Electric dust collector | |
| CN204445693U (en) | Floor brush of dust collector and dust catcher thereof | |
| CN111744831A (en) | Self-cleaning photovoltaic board is used to pulsed new forms of energy | |
| WO2022257652A1 (en) | Dual-purpose blowing and suction device | |
| CN206222593U (en) | It is a kind of can inner-outer circulation switching fresh air purifier | |
| JP2000107094A (en) | Vacuum cleaner suction tool and vacuum cleaner | |
| CN105020157B (en) | The wind pushing mechanism and supply air system of single-motor double wind wheel | |
| CN105852739B (en) | Floor brush of dust collector and its dust catcher | |
| JPH11187988A (en) | Airflow circulating type cleaner | |
| CN209027035U (en) | A kind of wind pushing mechanism and air conditioner | |
| CN206761638U (en) | A kind of multifunctional dust vacuum cleaner | |
| CN220212850U (en) | Cleaning equipment | |
| JP2000014604A (en) | Vacuum cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |
|
| CX01 | Expiry of patent term |