CN104703524B - Passive vacuum cleaner nozzle with fresh air inlet - Google Patents
Passive vacuum cleaner nozzle with fresh air inlet Download PDFInfo
- Publication number
- CN104703524B CN104703524B CN201280076261.0A CN201280076261A CN104703524B CN 104703524 B CN104703524 B CN 104703524B CN 201280076261 A CN201280076261 A CN 201280076261A CN 104703524 B CN104703524 B CN 104703524B
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- CN
- China
- Prior art keywords
- suction nozzle
- air inlet
- fresh air
- passive
- vacuum cleaner
- 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
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- 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 invention, there is provided a kind of passive suction nozzle (1) of vacuum cleaner.The passive suction nozzle includes a top (2), a bottom (3) and a sealed chamber (7), and the sealed chamber is with for from a suction inlet (11) of the purpose for needing clean surface income dust, and the one outlet that is connected with a fan unit of the vacuum cleaner.Include at least one fresh air inlet (14) at the top of this, and the bottom includes a steam vent (16).In addition, the steam vent of this at least one fresh air inlet at the top of this and the bottom is in fluidly connecting.It is an advantage of the current invention that reducing noise level.
Description
Invention field
The present invention generally relates to the field of the passive suction nozzle of vacuum cleaner.In particular it relates to have
The passive suction nozzle of the noise level of reduction.
Background of invention
Passive suction nozzle is a kind of without the suction for stirring the roll brush or other instruments of dust on surface to be cleaned on one's own initiative
Mouth, active suction nozzle have been equipped with the suction nozzle of this kind of instrument.
A vacuum cleaner problem in design is the noise for reducing producing in the operating process of vacuum cleaner
Level.Noise can be caused by the fan unit of vacuum cleaner, but can also be caused by the air-flow in vacuum cleaner.Such gas
Stream produces noise when which passes through the suction nozzle of vacuum cleaner.
The noise produced by the roll brush of active suction nozzle typically comprises the major part of the overall noise level of active suction nozzle.
Therefore, because not having the noise of roll brush, the noise level of passive suction nozzle to be typically less than the noise level of active suction nozzle.Wish
Be further reduce vacuum cleaner this kind of passive suction nozzle noise level.
Summary of the invention
The present invention is made with regard to considerations above.It is an object of the present invention to provide a kind of improvement of above-mentioned technology
Replacement scheme.
More specifically, a kind of it is an object of the present invention to provide quilt of the vacuum cleaner with the noise level for reducing
Dynamic suction nozzle.
This purpose and other purposes of the present invention is by with these features defined in independent claims
Passive suction nozzle realizing.The preferred embodiments of the present invention are characterized with these dependent claims.
Therefore, according on one side, there is provided a kind of passive suction nozzle of vacuum cleaner.The passive suction nozzle includes a top
Portion, a bottom and a sealed chamber, the sealed chamber is with for from the purpose for having surface income dust to be cleaned
One suction inlet and the one outlet being connected with a fan unit of the vacuum cleaner.Include at least one at the top of this
Fresh air inlet, and the bottom includes a steam vent.In addition, the steam vent of this at least one fresh air inlet and the bottom at the top of this
In fluidly connecting.
Traditional suction nozzle generally includes the instrument of such as brush, so as to support the suction nozzle bottom relative to needing clean surface
And they are spaced apart.Specifically, such brush can be used when the crust to such as floor is cleaned.When on floor
During upper operation suction nozzle, the air-flow by produced by the fan unit of the vacuum cleaner is generally by before floor with the suction nozzle
Space between edge, trailing edge and lateral margin enters the suction inlet of the suction nozzle.
In order to clean the pressure release surface of such as carpet, brush is not typically used.Brush regracting is in the suction nozzle, or can make
With the suction nozzle without brush.Air intake when the suction nozzle is operated on carpet, at the leading edge of the suction nozzle, trailing edge and lateral margin
May be blocked by the fabric fibre of the carpet at least in part, be, for example, the suction nozzle it is slight under the result that is trapped in carpet.
As the air intake of the leading edge, trailing edge and lateral margin of the suction nozzle is blocked at least in part, air is transferred via in the suction nozzle
Portion flows towards the suction inlet, and small gap, recess and the component being forced through in the suction nozzle.Air can be via originally not
Be intended to suck air, narrow gap enter the suction nozzle, such as narrow gap between the part for assembling of the suction nozzle
(or slit).When the internals that air is forced through such narrow gap and suction nozzle, noise is just generated.
The current concept that adopts in terms of this is an other entrance is provided for air-flow with least one fresh air inlet.
As the fresh air inlet is located at the top of the suction nozzle, the fresh air inlet will not be blocked by the fabric fibre of carpet.Therefore, when the suction nozzle
When air intake on the pressure release surface at the leading edge of operation and the suction nozzle, trailing edge and lateral margin is by partial blockage, air is also
(or then) suction nozzle is entered via the fresh air inlet at the top of this.Then air flow out with this at the top of fresh air inlet fluid communication should
The air outlet slit of bottom, and flow to the suction inlet of the sealed chamber.As less air enters the suction via these narrow gaps
Mouth, just reduces the noise level of the suction nozzle.
Further, since the sealed chamber (which can also refer to a pipeline) of the suction nozzle is bubble-tight, because air is only via this
Suction inlet improves suction force into the sealed chamber.
It is when during vacuum cleaning with natural forward direction (i.e. away from user) the movement suction nozzle, front
Edge and trailing edge are accordingly the rearward suction nozzle edges of face forward dough-making powder.
In one embodiment, the suction nozzle can be arranged to it is the fan unit of the vacuum cleaner being produced, from
Fresh air inlet at the top of this and air-flow left from the steam vent of the bottom is guided to the suction inlet of the sealed chamber.Entering at the top of this
This fluidly connecting between air holes and the steam vent of the bottom can be by between these the corresponding holes in the suction nozzle
The space (or passage) for extending is come what is provided.Air be from steam vent, via the exterior guiding of the bottom to the suction inlet
's.As air-flow is directed out the bottom (or suction nozzle) and then towards the suction inlet, i.e., guide via the bottom bottom side,
The fabric fibre (or be at least forced through this have surface to be cleaned) of carpet can be forced through, thus can be by dust from ground
Siphon away on blanket (or this has surface to be cleaned).
According to one embodiment, the suction inlet of the sealed chamber can be limited at be arranged such that for bottom when suction nozzle runs and most lean on
Near this has between these parts on surface to be cleaned.Therefore, the suction inlet can be by the base section these are minimum
Part is limiting.Thus the sealed chamber can be extended to and the vacuum from the lowermost portion (such as a lower edge) of the base section
The outlet of one fan unit connection of vacuum cleaner.
According to one embodiment, the major part of total air inlet area of at least one fresh air inlet can be and the vacuum chamber
Suction inlet position with being laterally aligned.It is laterally aligned the major part position of the total air inlet area for referring at least one fresh air inlet
In the top (seen from above, i.e., from the point of view of the top side of the suction nozzle) of the inhalation port.For the present embodiment, these fresh air inlets are
Near the suction inlet positioning, the traveling path of air is thus shortened, noise level is This further reduces, because air must
The suction nozzle component (or inside other) that must pass through is less.
According to one embodiment, total air inlet area of at least one fresh air inlet is at least 500mm2, such as at least 590mm2。
Air inlet area increase contribute to air entered by these fresh air inlets, and drop reduce by being originally not intended as sucking air
Suction nozzle component between narrow gap and enter the air capacity of suction nozzle, thus reduce the noise level of the suction nozzle.Have
In the case of multiple fresh air inlets, total air inlet area is the summation of the area in each hole.
According to one embodiment, at least one fresh air inlet, the air inlet area in each hole is less than 6mm2, such as less than
5.5mm2.This size of this some holes reduces the risk that exotic enters suction nozzle via fresh air inlet.In addition, each fresh air inlet enters
Gas area is crossed conference and produces more noises at this some holes.Therefore, the present embodiment reduces the noise level of the suction nozzle.
According to one embodiment, at least one fresh air inlet can be substantially circular, and this can further reduce noise
Level.It should be understood that term " substantially circular " can include any similar round shape, such as with the similar of substantially rounded edges
Square or polygonal geometry.
According to one embodiment, the passive suction nozzle may further include a passive brush, and the passive brush is can court
Retract to the bottom.Passive brush refers to a non-active brush, and it is not to be driven to stir dust.So that this
Brush be conducive to the crust on such as floor to run the suction nozzle in its position stretched out reduce scratch floor risk, and from
Cleaning dust on floor.Brush can be retracted makes the suction inlet more for the suction nozzle is run on the pressure release surface of such as carpet
Near carpet, so as to thus increase suction force, and reduce the risk that the fabric fibre of brush and carpet is intertwined.
According to one embodiment, there is provided a kind of vacuum cleaner.The vacuum cleaner may include one such as aforementioned enforcement
The passive suction nozzle limited by any one of example.
Brief Description Of Drawings
The property presented below and nonrestrictive detailed description multiple preferred embodiments carried out by referring to accompanying drawing, with
On and other objects, features and advantages will be better understood.
Fig. 1 shows a passive suction nozzle according to one 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 be all schematically, not necessarily to scale, and generally merely illustrate that to illustrate institute of the invention necessary
Part, wherein miscellaneous part can be omitted or only show.
The detailed description of embodiment
Referring to figs. 1 to Fig. 3, a passive suction nozzle 1 to a kind of vacuum cleaner according to one embodiment is retouched
State.
Suction nozzle 1 can be floor type (being suitable to clean floor or similar larger clean surface).Suction nozzle 1 may include
One nozzle body 15, the nozzle body preferably can mutually hang down in normal (nature) direction of motion with suction nozzle 1 in 1 running of suction nozzle
It is in elongated on straight direction.Nozzle body 15 is connected with a suction nozzle outlet 9 via a supporting construction 6.9 quilt of suction nozzle outlet
It is adapted to be connected with the suction hose of a vacuum cleaner (not shown), so that in the vacuum cleaner in operation
During pattern, low pressure is just generated with air is drawn onto the vacuum cleaner via the flexible pipe by the suction nozzle.This low pressure is
Produced by a fan unit of the vacuum cleaner.The fan unit can include the fan that a motor drives, and
Can be with reference into a motor/fan unit.
Nozzle body 15 is pivotally connected with supporting construction 6.This connection between nozzle body 15 and supporting construction 6 is allowed
A kind of motion of limited extent is so that allow the nozzle body 15 to be cleaned as suction nozzle 1 is abutted against during dust suction
Surface forwardly and rearwardly move and incline.
Suction nozzle 1 also includes multiple brushes 4,5, and these brushes are installed on nozzle body 15, and preferably can be manual
Or retract automatically, so when using suction nozzle 1 come to carpet 10 or other pressure release surface dust suctions, these brushes 4,5 can be retracted
To in nozzle body 15 (as illustrated in FIG. 2), and when using suction nozzle 1 come crust dust suction to such as floor, these brushes
Extended (as illustrated in FIG. 1).Brush 4,5 have passivity type, i.e., they be it is substantially static, rather than cleaning
During be driven in rotation.In addition, these brushes 4,5 can extend along the long side of elongated nozzle body 15, preferably
It is that a leading edge 12 and a trailing edge 13 accordingly along nozzle body 15 extends, i.e., with suction nozzle in vacuum cleaner running
1 proper motion direction is perpendicular.
Nozzle body 15 includes a top 2 and a bottom 3.Top 2 can be nozzle body 15 a upper part (such as
One first half), such as including a lid (part at least one top) of nozzle body 15.Bottom 3 can be suction nozzle
One low portion (such as a lower half) of body 15.
Nozzle body 15 further includes a sealed chamber 7 (as shown in Figure 2), and the sealed chamber is with for having to be cleaned from this
Surface draw dust purpose a suction inlet 11 (or inhalation port), and for via suction nozzle outlet 9 and the fan
The one outlet (not shown) that unit is fluidly connected.Suction inlet 11 is arranged in bottom 3, i.e., on the downside of nozzle body 15
(the having the side that surface to be cleaned arranges towards this of nozzle body 15).It is important that the room is bubble-tight, to avoid sky
Gas leakage enters the room 7, and this can reduce suction force.Therefore, this air is positioned at suction into the sole inlet of sealed chamber 7
At mouth 11.Suction inlet 11 is to be limited to the suction nozzle when for example suction nozzle 1 is supported on surface to be cleaned during dust suction
Body 15 is near between these parts 8 on the surface.In addition, suction inlet 11 can be elongated, and it is along elongated suction
What the longitudinal direction of mouth body 15 extended, such as between two contrary tips of nozzle body 15.
Top 2 includes one or more fresh air inlets 14.Preferably, the major part in these fresh air inlets 14 may be located at the suction
The top (seen from above, i.e., from the point of view of the top side of suction nozzle 1) of entrance 11.Therefore, the major part in these fresh air inlets can be
It is laterally aligned with suction inlet 11.In addition, the shape of these fresh air inlets can preferably be substantially cavetto, e.g. base
In sheet circular (as shown in the zoomed-in view of a fresh air inlet 14 in Fig. 3).The air inlet in each hole in these fresh air inlets 14
Area can be less than 6mm2, preferably less than 5.5mm2.It should be understood that different fresh air inlets 14 can have different sizes.Separately
Outward, total air inlet area of all fresh air inlets 14 can be at least 500mm2And preferably at least 590mm2。
Bottom 3 includes at least one steam vent 16.In the present embodiment, bottom 3 includes two steam vents 16, in suction inlet
Steam vent on 11 every side (therefore, steam vent is the leading edge 12 along nozzle body 15, and another is along thereafter
Edge is 13).These steam vents 16 can be elongated, and be extended on the longitudinal direction of elongated suction inlet 11.These rows
Pore 16 is arranged on the downside of nozzle body 15, so as to have surface to be cleaned towards this.These steam vents 16 are such as Jing
By the space (or passage) (such as a space between the lid and the sealed chamber 7) in nozzle body 15 and this
A little fresh air inlets 14 are in what is fluidly connected.
One example of the operation of the passive suction nozzle 1 is described hereinafter with reference to Fig. 2.
When the fan unit of the vacuum cleaner runs, the air-flow towards suction inlet 11 is generated (by the arrow in Fig. 2
Indicate).If suction nozzle 1 is operated on a carpet 10, suction nozzle 1 may be absorbed in the fabric fibre of carpet 10 slightly, this
Blocked by fabric fibre with causing leading edge 12 and the slotted section below trailing edge 13.Top of at least a portion air-flow via suction nozzle 1
These fresh air inlets 14 in portion enter suction nozzle 1.Air-flow and then quilt (such as via the space between the lid and the sealed chamber 7)
Guide towards these steam vents 16 of the bottom 3 at the downside of nozzle body 2 and and then from these steam vents out.Subsequent air-flow
Passed through towards suction inlet 11 by the fabric fibre of the carpet 10 and subsequently into the suction inlet through the downside of bottom 3.With
Downside of the air-flow through bottom 3, dust is taken to suction inlet 11 by air-flow.
Although it have been described that multiple specific embodiments, but technical staff will be appreciated that the right in such as subordinate and want
Ask within limited range it is contemplated that different modifications and changes.
Claims (7)
1. a kind of passive suction nozzle (1) for vacuum cleaner, the passive suction nozzle include：
One top (2),
One bottom (3), and
One sealed chamber (7), a suction of the sealed chamber with the purpose for there is surface income dust to be cleaned from
Entrance (11), and the one outlet that is connected with a fan unit of the vacuum cleaner, wherein：
Include at least one fresh air inlet (14) at the top of this,
The suction inlet of the sealed chamber is limited between the part (8) of the bottom, and the part (8) of the bottom is at this
Passive suction nozzle is arranged to have the part on surface to be cleaned near this when running,
The bottom includes a steam vent (16), and
The steam vent of at least one fresh air inlet at the top of this and the bottom in fluidly connecting,
Wherein the passive suction nozzle is arranged to fresh air inlet that produce the fan unit of the vacuum cleaner, at the top of this simultaneously
And the air-flow left from the steam vent of the bottom is guided to the suction inlet of the sealed chamber.
2. suction nozzle as claimed in claim 1 passive, the major part of wherein total air inlet area of at least one fresh air inlet is
Position with being laterally aligned with the suction inlet of the sealed chamber.
3. the passive suction nozzle as described in any one of claim 1-2, total air inlet area of wherein at least one fresh air inlet be to
Few 500mm2。
4. the passive suction nozzle as described in any one of claim 1-2, wherein each fresh air inlet at least one fresh air inlet
Air inlet area is less than 6mm2。
5. the passive suction nozzle as described in any one of claim 1-2, wherein at least one fresh air inlet is substantially circular.
6. the passive suction nozzle as described in any one of claim 1-2, further includes a passive brush, and the passive brush is court
It is retractible to the bottom.
7. a kind of vacuum cleaner, the vacuum cleaner include one such as any one of claim 1-6 limited it is passive
Suction nozzle.
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 CN104703524A (en) | 2015-06-10 |
| CN104703524B true 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) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2861522T3 (en) | 2016-08-15 | 2021-10-06 | Midea Group Co Ltd | Dust collector and dust collector floor brush having the same |
| 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 |
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3468396B2 (en) * | 1996-10-04 | 2003-11-17 | 東芝テック株式会社 | Electric vacuum cleaner |
| TW475894B (en) * | 1997-12-26 | 2002-02-11 | Tec Corp | Suction port body for vacuum-cleaner and vacuum-cleaner having the same |
| US6158082A (en) * | 1998-03-10 | 2000-12-12 | The Toro Company | Portable blower with blower tube noise reduction |
| WO2004028327A1 (en) * | 2002-09-25 | 2004-04-08 | Toshiba Tec Kabushiki Kaisha | Electric vacuum cleaner |
| KR100592095B1 (en) * | 2004-11-03 | 2006-06-22 | 삼성광주전자 주식회사 | Suction structure assembly of vacuum cleaner |
| KR100642075B1 (en) * | 2005-10-21 | 2006-11-10 | 삼성광주전자 주식회사 | A suction nozzle of vacuum cleaner |
| KR101414658B1 (en) * | 2010-03-10 | 2014-07-03 | 엘지전자 주식회사 | Suction nozzle for vacuum cleaner |
| KR101262701B1 (en) * | 2010-10-22 | 2013-05-08 | 삼성전자주식회사 | Vacuum cleaner having sterilization ability |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| EP2934266A1 (en) | 2015-10-28 |
| EP2934266B1 (en) | 2020-04-15 |
| WO2014094876A1 (en) | 2014-06-26 |
| CN104703524A (en) | 2015-06-10 |
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