CN104703524A - Passive vacuum cleaner nozzle with an air intake aperture - Google Patents
Passive vacuum cleaner nozzle with an air intake aperture Download PDFInfo
- Publication number
- CN104703524A CN104703524A CN201280076261.0A CN201280076261A CN104703524A CN 104703524 A CN104703524 A CN 104703524A CN 201280076261 A CN201280076261 A CN 201280076261A CN 104703524 A CN104703524 A CN 104703524A
- Authority
- CN
- China
- Prior art keywords
- suction nozzle
- air inlet
- passive
- vacuum cleaner
- fresh air
- 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.)
- Granted
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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
- A47L9/0081—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
- A47L9/02—Nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
According to an aspect of the present invention, a passive nozzle (1) for a vacuum cleaner is provided. The passive nozzle comprises a top part (2), a bottom part (3), and an airtight chamber (7) having a suction inlet (11) for the purpose of taking in dust from a surface to be cleaned and an outlet for connection to a fan unit of the vacuum cleaner. The top part comprises at least one air intake aperture (14) and the bottom part comprises an air outlet aperture (16). Further, the at least one air intake aperture of the top part is in fluid connection with the air outlet aperture of the bottom part. The present invention is advantageous in that the noise level is reduced.
Description
Invention field
Present invention relates in general to the field of the passive suction nozzle for vacuum cleaner.Particularly, the present invention relates to the passive suction nozzle of the noise level with reduction.
background of invention
Passive suction nozzle is a kind of without stirring the roll brush of dust or the suction nozzle of other instruments on surface to be cleaned on one's own initiative, and initiatively suction nozzle is the suction nozzle being equipped with this kind of instrument.
A vacuum cleaner problem is in design reduced in the noise level produced in the operating process of vacuum cleaner.Noise can be caused by the fan unit of vacuum cleaner, but also can be caused by the air-flow in vacuum cleaner.Such air-flow produces noise when it passes through the suction nozzle of vacuum cleaner.
The noise produced by the roll brush of active suction nozzle forms the major part of the overall noise level of initiatively suction nozzle usually.Therefore, owing to not having the noise of roll brush, the noise level of passive suction nozzle generally will lower than the noise level of active suction nozzle.Desirably reduce the noise level of this kind of passive suction nozzle of vacuum cleaner further.
summary of the invention
The invention relates to above consideration to make.An object of the present invention is to provide a kind of replacement scheme of improvement of above-mentioned technology.
More specifically, an object of the present invention is to provide a kind of passive suction nozzle with the vacuum cleaner of the noise level of reduction.
This object of the present invention and other objects are that the passive suction nozzle by having these features defined in independent claims realizes.The preferred embodiments of the present invention with these dependent claims for feature.
Therefore, according to an aspect, provide a kind of passive suction nozzle of vacuum cleaner.This passive suction nozzle comprises a top, a bottom and a sealed chamber, this sealed chamber have for from have the object of surface to be cleaned income dust a suction inlet and of being connected with a fan unit of this vacuum cleaner export.This top comprises at least one fresh air inlet, and comprises a steam vent bottom this.In addition, this at least one fresh air inlet at this top is in fluid with the steam vent bottom this and is connected.
Traditional suction nozzle generally includes the instrument of such as brush, thus to support bottom this suction nozzle and they are spaced apart relative to needing clean surface.Particularly, such brush can the use when carrying out clean to the crust on such as floor.When operating this suction nozzle on floor, the air-flow produced by the fan unit of this vacuum cleaner is usually by entering the suction inlet of this suction nozzle in the leading edge on floor and this suction nozzle, the space between trailing edge and lateral margin.
In order to the pressure release surface of clean such as carpet, generally do not use brush.Brush regracting, in this suction nozzle, maybe can use the suction nozzle without brush.When operating this suction nozzle on carpet, the air intake at the leading edge of this suction nozzle, trailing edge and lateral margin place may at least in part block by the fabric fibre of this carpet, be such as this suction nozzle slightly under be trapped in result in carpet.Along with the air intake of the leading edge of this suction nozzle, trailing edge and lateral margin is blocked at least in part, air then flow towards this suction inlet via the inside of this suction nozzle, and be forced through small gap, recess and the component in this suction nozzle.Air can enter this suction nozzle, such as, narrow gap (or slit) between the parts assembled of this suction nozzle via not originally being intended to suck air, narrow gap.When air is forced through the internals of such narrow gap and suction nozzle, just create noise.
The concept that current this aspect adopts has at least one fresh air inlet for air-flow to provide an other entrance.Because this fresh air inlet is positioned at the top of this suction nozzle, this fresh air inlet can not block by the fabric fibre of carpet.Therefore, when this suction nozzle run on a pressure release surface and the air intake at the leading edge of this suction nozzle, trailing edge and lateral margin place by partial blockage time, air also (or then) enters this suction nozzle via the fresh air inlet at this top.Then air flow out with the fresh air inlet fluid communication at this top this bottom air outlet slit, and flow to the suction inlet of this sealed chamber.Because less air enters this suction nozzle via these narrow gaps, just reduce the noise level of this suction nozzle.
In addition, because the sealed chamber (it also can refer to a pipeline) of this suction nozzle is bubble-tight, because air only enters this sealed chamber via this suction inlet and improves suction force.
When in the process in vacuum cleaning with one naturally mobile this suction nozzle in direction (namely away from user) forward time, leading edge and trailing edge are the rearward suction nozzle edge in face forward and face accordingly.
In one embodiment, this suction nozzle can be arranged to the fan unit of this vacuum cleaner can be produced, from this top fresh air inlet and guide to the suction inlet of this sealed chamber from the air-flow that the steam vent bottom this leaves.It can be that a space (or passage) by extending between these the corresponding holes in this suction nozzle provides that this fluid between the fresh air inlet at this top and the steam vent bottom this connects.Air is from steam vent, via the exterior guiding bottom this to this suction inlet.Along with air-flow to be directed out bottom this (or suction nozzle) and then towards this suction inlet, namely guide via bottom side bottom this, its fabric fibre by carpet (or at least forcing it to have surface to be cleaned by this) can be forced, dust can be siphoned away from carpet (maybe this has surface to be cleaned) thus.
According to an embodiment, the suction inlet of this sealed chamber can be limited at when suction nozzle runs and to arrange have between these parts on surface to be cleaned near this bottom this.Therefore, this suction inlet can be limited by these minimum parts of this base section.Thus this sealed chamber can extend to and this vacuum cleaner outlet that fan unit is connected from the lowermost portion of this base section (as a lower edge).
According to an embodiment, the major part of total air inlet area of this at least one fresh air inlet can be locate alignedly with the suction inlet side direction of this vacuum chamber.Side direction alignment refers to that the major part of total air inlet area of this at least one fresh air inlet is positioned at the top (seen from above, namely from the top side of this suction nozzle) of this inhalation port.For the present embodiment, these fresh air inlets, near this suction inlet location, shorten the path of advancing of air thus, This further reduces noise level, because the suction nozzle component that air must pass through (or other are inner) is less.
According to an embodiment, total air inlet area of this at least one fresh air inlet is at least 500mm
2, as at least 590mm
2.The increase of air inlet area is contributed to air and is entered by these fresh air inlets and fall and decrease by not originally being intended to the narrow gap that sucks between the suction nozzle component of air and enter the air capacity of suction nozzle, thus reduces the noise level of this suction nozzle.When having multiple fresh air inlet, this total air inlet area is the summation of the area in each hole.
According to an embodiment, in this at least one fresh air inlet, the air inlet area in each hole is less than 6mm
2, as being less than 5.5mm
2.This size of this some holes reduces exotic enters suction nozzle risk via fresh air inlet.In addition, the excessive meeting of air inlet area of each fresh air inlet produces more noises at this some holes place.Therefore, the present embodiment reduces the noise level of this suction nozzle.
According to an embodiment, this at least one fresh air inlet can be substantially circular, and this can reduce noise level further.Should be understood that term " substantially circular " can comprise any similar round shape, as having the similar square or polygonal geometry of rounded edges substantially.
According to an embodiment, this passive suction nozzle may further include a passive brush, and this passive brush can towards retracting bottom this.Passive brush refers to a non-active brush, and it is not be driven to stir dust.Make this brush be in its position of stretching out to be conducive to running this suction nozzle to reduce at the crust on such as floor the risk scratching floor, and from the cleaning dust floor.Brush can be retracted and run this suction nozzle to make this suction inlet closer to carpet on the pressure release surface of such as carpet, thus increase suction force thus, and the risk that the fabric fibre reducing brush and carpet is intertwined.
According to an embodiment, provide a kind of vacuum cleaner.This vacuum cleaner can comprise one as any one in previous embodiment the passive suction nozzle that limits.
brief Description Of Drawings
By referring to accompanying drawing to the following illustrative that multiple preferred embodiment carries out and nonrestrictive detailed description, above and other object, feature and advantage will be better understood.
Fig. 1 shows a passive suction nozzle according to an embodiment.
Fig. 2 is the sectional view of a nozzle body of suction nozzle as shown in Figure 1.
Fig. 3 is the zoomed-in view of a fresh air inlet of suction nozzle as shown in Figure 1.
These accompanying drawings are all schematically, not necessarily in proportion and merely illustrate generally and illustrate the necessary parts of the present invention, wherein miscellaneous part can be omitted or only demonstrate.
the detailed description of embodiment
Referring to figs. 1 through Fig. 3, be described to a passive suction nozzle 1 of a kind of vacuum cleaner according to an embodiment.
Suction nozzle 1 can be floor type (being namely suitable for clean floor or similar larger clean surface).Suction nozzle 1 can comprise a nozzle body 15, and this nozzle body can the direction perpendicular in normal (nature) direction of motion with suction nozzle 1 in suction nozzle 1 running be preferably in microscler.Nozzle body 15 is connected with a suction nozzle outlet 9 via a supporting construction 6.Suction nozzle outlet 9 is adapted to and is connected with the suction hose of a vacuum cleaner (not shown), thus make when this vacuum cleaner is in operator scheme, just create low pressure along with air is drawn onto this vacuum cleaner by this suction nozzle via this flexible pipe.This low pressure is produced by this vacuum cleaner fan unit.This fan unit can comprise the fan that a motor drives, and can become a motor/fan unit by reference.
Nozzle body 15 is connected with supporting construction 6 pivotable.This between nozzle body 15 with supporting construction 6 is connected and allows a kind of motion of limited extent thus make to allow this nozzle body 15 in dust suction process along with suction nozzle 1 abuts against just on cleaned surface forward and move backward and tilt.
Suction nozzle 1 also comprises multiple brush 4,5, these brushes to be installed on nozzle body 15 and preferably can to retract manually or automatically, like this when using suction nozzle 1 to come carpet 10 or other pressure release surface dust suctions, these brushes 4,5 can be withdrawn in nozzle body 15 (to go out as shown in Figure 2), and when the crust dust suction using suction nozzle 1 to such as floor, these brushes extended (going out as shown in Figure 1).Brush 4,5 has the type of passivity, and namely they are substantially static, instead of be driven in rotation in cleaning course.In addition, these brushes 4,5 can extend along the long limit of microscler nozzle body 15, preferably extending along the leading edge 12 of nozzle body 15 and a trailing edge 13 accordingly, is namely perpendicular with the proper motion direction of suction nozzle 1 in vacuum cleaner running.
Nozzle body 15 comprises a top 2 and a bottom 3.Top 2 can be a upper part (as a first half) of nozzle body 15, such as, comprise a lid (part at least one top) of nozzle body 15.Bottom 3 can be a low portion (as a Lower Half) of nozzle body 15.
Nozzle body 15 comprises a sealed chamber 7 (as shown in Figure 2) further, and this sealed chamber has for having a suction inlet 11 (or inhalation port) of the object of surfaces attract dust to be cleaned and for being connected with this fan unit fluid via suction nozzle outlet 9 one to export (not shown) from this.Suction inlet 11 is arranged in bottom 3, i.e. on the downside of nozzle body 15 (nozzle body 15 towards the side that this has surface to be cleaned to arrange).Importantly this room is bubble-tight, to avoid air leakage to enter this room 7, and this can reduce suction force.Therefore, this air enters the sole inlet of sealed chamber 7 is be positioned at suction inlet 11 place.Suction inlet 11 be limited to when such as suction nozzle 1 is supported on surface to be cleaned in dust suction process nozzle body 15 near this surface these parts 8 between.In addition, suction inlet 11 can be microscler, and is extend along the longitudinal direction of microscler nozzle body 15, such as, between two of nozzle body 15 contrary tips.
Top 2 comprises one or more fresh air inlet 14.Preferably, the major part in these fresh air inlets 14 can be positioned at the top (seen from above, namely from the top side of suction nozzle 1) of this suction inlet 11.Therefore, the major part in these fresh air inlets can be that side direction is alignd with suction inlet 11.In addition, the shape of these fresh air inlets can be preferably cavetto substantially, such as, be substantially circular (as shown in the zoomed-in view of the fresh air inlet of in Fig. 3 14).The air inlet area in each hole in these fresh air inlets 14 can be less than 6mm
2, be preferably less than 5.5mm
2.Should be understood that different fresh air inlets 14 can have different sizes.In addition, total air inlet area of all fresh air inlets 14 can be at least 500mm
2and be preferably at least 590mm
2.
Bottom 3 comprises at least one steam vent 16.In the present embodiment, bottom 3 comprises two steam vents 16, steam vent (therefore, steam vent is the leading edge 12 along nozzle body 15, and another is along its trailing edge 13) on every side of suction inlet 11.These steam vents 16 can be microscler, and are extend on the longitudinal direction of microscler suction inlet 11.These steam vents 16 are arranged on the downside of nozzle body 15, thus have surface to be cleaned towards this.These steam vents 16 are such as in fluid via the space of in nozzle body 15 (or passage) (space such as between this lid with this sealed chamber 7) with these fresh air inlets 14 to be connected.
Hereinafter with reference to Fig. 2, an example of the operation of this passive suction nozzle 1 is described.
When the fan unit of this vacuum cleaner runs, create towards the air-flow of suction inlet 11 (being indicated by the arrow in Fig. 2).If suction nozzle 1 operates on a carpet 10, suction nozzle 1 may be absorbed in the fabric fibre of carpet 10 slightly, and this is blocked by fabric fibre with causing the slotted section below leading edge 12 and trailing edge 13.Air-flow enters suction nozzle 1 via these fresh air inlets 14 in the top of suction nozzle 1 at least partially.Then from these steam vents out then air-flow to be guided and towards these steam vents 16 of the bottom 3 at the downside place of nozzle body 2 by (such as via the space between this lid and this sealed chamber 7).Air-flow is passed through and then enters this suction inlet by the fabric fibre of this carpet 10 towards suction inlet 11 through the downside of bottom 3 subsequently.Along with air-flow is through the downside of bottom 3, dust is taken to suction inlet 11 by air-flow.
Although described multiple specific embodiment, technical staff will be appreciated that and can be susceptible to different amendments and change within such as dependent claims limited range.
Claims (9)
1. the passive suction nozzle (1) for vacuum cleaner, this passive suction nozzle comprises:
A top (2),
A bottom (3), and
A sealed chamber (7), this sealed chamber has for having a suction inlet (11) of the object of surface to be cleaned income dust and of being connected with a fan unit of this vacuum cleaner to export from one, wherein:
This top comprises at least one fresh air inlet (14),
A steam vent (16) is comprised bottom this, and
At least one fresh air inlet at this top is in fluid with the steam vent bottom this and is connected.
2. passive suction nozzle as claimed in claim 1, wherein this suction nozzle be arranged to the fan unit of this vacuum cleaner to produce, from this top fresh air inlet and guide to the suction inlet of this sealed chamber from the air-flow that the steam vent bottom this leaves.
3. passive suction nozzle as claimed in claim 1 or 2, wherein the suction inlet of this sealed chamber be limited at this suction nozzle run time this bottom arrange have between these parts (8) on surface to be cleaned near this.
4. the passive suction nozzle as described in any one in these claims aforementioned, wherein the major part of total air inlet area of this at least one fresh air inlet is located alignedly with the suction inlet side direction of this vacuum chamber.
5. the passive suction nozzle as described in any one in these claims aforementioned, wherein total air inlet area of this at least one fresh air inlet is at least 500mm
2.
6. the passive suction nozzle as described in any one in these claims aforementioned, the air inlet area of each fresh air inlet wherein in this at least one fresh air inlet is less than 6mm
2.
7. the passive suction nozzle as described in any one in these claims aforementioned, wherein this at least one fresh air inlet is substantially circular.
8. the passive suction nozzle as described in any one in these claims aforementioned, comprises a passive brush further, and this passive brush is retractible bottom this.
9. a vacuum cleaner, this vacuum cleaner comprise one as any one in these claims aforementioned the passive suction nozzle that limits.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/076660 WO2014094876A1 (en) | 2012-12-21 | 2012-12-21 | Passive vacuum cleaner nozzle with an air intake aperture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104703524A true CN104703524A (en) | 2015-06-10 |
| CN104703524B CN104703524B (en) | 2017-03-29 |
Family
ID=47561565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280076261.0A Active CN104703524B (en) | 2012-12-21 | 2012-12-21 | Passive vacuum cleaner nozzle with fresh air inlet |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2934266B1 (en) |
| CN (1) | CN104703524B (en) |
| WO (1) | WO2014094876A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073634A (en) * | 2016-08-15 | 2016-11-09 | 美的集团股份有限公司 | Floor brush of dust collector and the vacuum cleaner with it |
| US11071424B2 (en) | 2016-08-15 | 2021-07-27 | Midea Group Co., Ltd. | Floor brush for cleaning appliance and cleaning appliance having same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3366179B1 (en) * | 2017-02-23 | 2019-07-24 | Wessel-Werk GmbH | Static floor nozzle for a vacuum cleaner |
| EP3763271A1 (en) * | 2019-07-08 | 2021-01-13 | Sprintus GmbH | Nozzle for a suction device for cleaning and care of surfaces |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10108811A (en) * | 1996-10-04 | 1998-04-28 | Tec Corp | Vacuum cleaner |
| CN1248894A (en) * | 1997-12-26 | 2000-03-29 | 东芝泰格有限公司 | Suction port body for vacuum-cleaner and vacuum-cleaner having same |
| US6158082A (en) * | 1998-03-10 | 2000-12-12 | The Toro Company | Portable blower with blower tube noise reduction |
| CN1652715A (en) * | 2002-09-25 | 2005-08-10 | 东芝泰格有限公司 | Electric vacuum cleaner |
| CN1768672A (en) * | 2004-11-03 | 2006-05-10 | 三星光州电子株式会社 | Suction port assembly of vacuum cleaner |
| CN1951283A (en) * | 2005-10-21 | 2007-04-25 | 三星光州电子株式会社 | A suction nozzle for a vacuum cleaner |
| US20120096670A1 (en) * | 2010-10-22 | 2012-04-26 | Samsung Electronics Co., Ltd. | Vacuum cleaner having sterilization function |
| CN102770057A (en) * | 2010-03-10 | 2012-11-07 | Lg电子株式会社 | Suction nozzle for vacuum cleaner |
-
2012
- 2012-12-21 EP EP12816054.6A patent/EP2934266B1/en active Active
- 2012-12-21 CN CN201280076261.0A patent/CN104703524B/en active Active
- 2012-12-21 WO PCT/EP2012/076660 patent/WO2014094876A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10108811A (en) * | 1996-10-04 | 1998-04-28 | Tec Corp | Vacuum cleaner |
| CN1248894A (en) * | 1997-12-26 | 2000-03-29 | 东芝泰格有限公司 | Suction port body for vacuum-cleaner and vacuum-cleaner having same |
| US6158082A (en) * | 1998-03-10 | 2000-12-12 | The Toro Company | Portable blower with blower tube noise reduction |
| CN1652715A (en) * | 2002-09-25 | 2005-08-10 | 东芝泰格有限公司 | Electric vacuum cleaner |
| CN1768672A (en) * | 2004-11-03 | 2006-05-10 | 三星光州电子株式会社 | Suction port assembly of vacuum cleaner |
| CN1951283A (en) * | 2005-10-21 | 2007-04-25 | 三星光州电子株式会社 | A suction nozzle for a vacuum cleaner |
| CN102770057A (en) * | 2010-03-10 | 2012-11-07 | Lg电子株式会社 | Suction nozzle for vacuum cleaner |
| US20120096670A1 (en) * | 2010-10-22 | 2012-04-26 | Samsung Electronics Co., Ltd. | Vacuum cleaner having sterilization function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073634A (en) * | 2016-08-15 | 2016-11-09 | 美的集团股份有限公司 | Floor brush of dust collector and the vacuum cleaner with it |
| CN106073634B (en) * | 2016-08-15 | 2020-04-03 | 美的集团股份有限公司 | Dust collector floor brush and dust collector with same |
| US11071424B2 (en) | 2016-08-15 | 2021-07-27 | Midea Group Co., Ltd. | Floor brush for cleaning appliance and cleaning appliance having same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104703524B (en) | 2017-03-29 |
| EP2934266A1 (en) | 2015-10-28 |
| EP2934266B1 (en) | 2020-04-15 |
| WO2014094876A1 (en) | 2014-06-26 |
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