CN101513335B - Nozzle for floor vacuum cleaner - Google Patents
Nozzle for floor vacuum cleaner Download PDFInfo
- Publication number
- CN101513335B CN101513335B CN 200910118010 CN200910118010A CN101513335B CN 101513335 B CN101513335 B CN 101513335B CN 200910118010 CN200910118010 CN 200910118010 CN 200910118010 A CN200910118010 A CN 200910118010A CN 101513335 B CN101513335 B CN 101513335B
- Authority
- CN
- China
- Prior art keywords
- running gear
- horizontally hinged
- suction
- suction tube
- axle
- 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 - Fee Related
Links
- 239000000428 dust Substances 0.000 claims description 42
- 230000033001 locomotion Effects 0.000 claims description 31
- 238000005086 pumping Methods 0.000 claims description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000008485 antagonism Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention relates to a nozzle for floor vacuum cleaner comprising a chassis which comprises a rear portion (2) and a front portion (5), wherein the rear portion includes at least a caster (3), and the front portion extends in the suction direction for connecting a vacuum generator (6). The vacuum generator is kept at the front portion (5) of the chassis, so as to recline along a horizontal axis (7). Moreover, the suction tube connecting piece (8) is arranged on the chassis so as to rotate on a horizontal joint axis (9). The horizontal joint axis (9) is attached to the rear portion (2) of the chassis through a connection portion (10) for transferring sliding force between the suction tube connecting piece (8) and the chassis (1), in order to vertically move relatively to the axis (4) of the roller wheel (3) and be located at different positions (11, 11') when the chassis moves forwards and backwards. The flexible tube (12) for guiding suction of air is disposed between the suction tube connecting piece (8) and the vacuum generator (6).
Description
Technical field
The present invention relates to the suction nozzle for floor vacuum cleaner.
Background technology
The present invention is take floor brush with running gear as the basis, and this running gear comprises rear portion and the front portion of running gear, and the rear portion has at least one roller, and anterior direction along suction is stretched out, and is used for connecting dust collecter.Dust collecter is maintained at the front portion of running gear, in order to can fascinate at trunnion axis.In addition, be provided with the suction tube connector, this suction tube connector is arranged on the running gear, in order to can rotate at horizontally hinged axle.
Floor brush with above-mentioned feature from DE-A2846847 as can be known.The jointed shaft of suction tube connector is consistent with the axle of roller.Running gear forms suction channel, and dust collecter is maintained at its front portion, in order to can fascinate at trunnion axis.The power of introducing by the suction tube connector when using floor brush is passed to roller, and roller bears vertical power.In this known structure, dust collecter is not subjected to the vertical power introduced by suction tube and suction tube connector substantially when floor brush is worked.Need to improve the function of floor brush when the running gear drawback movement.Because the tie point of suction tube connector is very low, running gear has the danger of rising from floor surface when drawback movement, and dust collecter self has the danger of tilting with respect to floor surface, and this has negative influence to dust suction.
Be used for as can be known the floor brush of floor vacuum cleaner from WO03/039315, this floor brush has better handling characteristics when drawback movement.In its basic design, suction nozzle also comprises running gear, this running gear comprises rear portion, front portion and dust collecter, this rear portion has two rollers that are arranged on the axle, this front portion stretches out be used for to connect dust collecter along pumping direction, and this dust collecter is maintained on the front portion of running gear in order to can fascinate at trunnion axis.The suction tube connector is connected on the rocking bar, and this rocking bar is maintained at the front portion of running gear, in order to can rotate at trunnion axis.The jointed shaft of rocking bar keeps the axle of dust collecter consistent with being used for movably.The suction tube connector that is connected in rocking bar is directed in order to can vertically move at the rear portion of running gear, and this suction tube connector axle with respect to roller when running gear travels forward with drawback movement is in different positions.When the floor brush drawback movement, rocking bar and suction tube connector are in stretch position, and do not exist running gear to be lifted away from any danger on floor.The power that produces when floor brush is worked is introduced into the front portion of running gear by suction tube connector and rocking bar.When travelling forward, this causes load on dust collecter, and this load has increased sliding force.When the dust collecter drawback movement, this load is removed from dust collecter, and this can have negative influence to dust suction.Need to improve force distribution when suction nozzle is worked.
Summary of the invention
The object of the present invention is to provide the suction nozzle for floor vacuum cleaner, the whole total surface of this suction nozzle is against the floor when travelling forward with drawback movement.And the object of the invention is, both when floor brush travels forward also when the floor brush drawback movement, make the power of introducing by the suction tube connector realize that favourable power distributes.
The objective of the invention is the suction nozzle for floor vacuum cleaner, and relate to suction nozzle for floor vacuum cleaner for satisfying this purpose, this suction nozzle comprises:
Running gear, this running gear comprises rear portion and front portion, and this rear portion has at least one roller, and stretch out along pumping direction this front portion, is used for connecting dust collecter;
Dust collecter, this dust collecter remains on the front portion of running gear, in order to can remain on the trunnion axis with fascinating; And
The suction tube connector, this suction tube connector is arranged on the running gear, in order to rotatably remain on the horizontally hinged axle,
Wherein, by between suction tube connector and running gear, transmitting the connecting portion of sliding force, horizontally hinged axle is connected in the rear portion of running gear, so that this horizontally hinged axle can vertically move and be in different positions with respect to the axle of roller when running gear travels forward with drawback movement, and the flexible pipe that wherein, is used for guiding suction air is arranged between suction tube connector and the dust collecter.In floor brush according to the present invention, at the rear portion of running gear connecting portion is set, when the floor suction nozzle was worked, this connecting portion transmitted power from the suction tube that is connected in the suction tube connector to running gear.This connecting portion is arranged near the roller shaft of running gear.This connecting portion according to the present invention has variable power and introduces point.When floor brush travelled forward, the introducing point of power was low.When the floor brush drawback movement, the introducing point of power raises, and is further spaced apart with the floor.Because this variable power is introduced point, when floor brush is worked, realized that the favourable power that is delivered to the power of floor brush from suction tube distributes.This power distributes suction properties is had favorable influence, particularly dust suction and sliding force is had Beneficial Effect.
In such zone, this zone, stops at the 20mm place, axle back of roller in the beginning of the 20mm place, axle front of roller along pumping direction at this connecting portion between the rear portion of jointed shaft and running gear.Preferably, this connecting portion roughly is arranged in the perpendicular by roller shaft, and power is delivered to running gear by this connecting portion from the suction tube connector.But the power of this connecting portion is introduced point and is retained and can vertically moves; When floor brush travels forward and when the suction nozzle drawback movement, the power of this connecting portion is introduced point and is in different positions, and described different position and roller shaft are inconsistent.Because power is introduced the gap between point and the roller shaft, produce lever arm, the generation torque of multiplying each other of this lever arm and the power of introducing by suction tube.In this structure, the introducing of power point can be definite by the vertical movement of connecting portion, so that produce different torques when floor brush travels forward with drawback movement, the torque that produces has favourable effect to the suction properties of suction nozzle.According to a preferred embodiment of the invention, this connecting portion between jointed shaft and running gear is designed so that when running gear travels forward jointed shaft is in the position below the roller shaft, and jointed shaft is in position on the roller shaft when drawback movement.Because power is introduced the position of point below roller shaft when running gear travels forward, and can produce torque, this torque reduces dust collecter and acts on pressure on the floor surface, thereby reduces sliding force when travelling forward.Because the higher power that produces when drawback movement is introduced point, can produce moment, the unloading of the dust collecter that this moment antagonism occurs when the running gear drawback movement usually, and the dust suction during to the running gear drawback movement has favourable effect.
According to the present invention, this connecting portion between the rear portion of the jointed shaft of suction tube connector and running gear can be realized in simple mode from design aspect, that is, the end of the jointed shaft of suction tube connector is directed in guide recess, in order to can move vertically.Guide recess is arranged on the rear portion of running gear, perhaps is arranged on the rolling wheel support that consists of the running gear rear portion, and wherein, described guide recess advantageously comprises for the upper end backstop of jointed shaft and lower end backstop.End stop is determined to be so that when suction nozzle is worked, jointed shaft when running gear travels forward against lower end backstop, and when the running gear drawback movement against upper end backstop.Guide recess is extended vertically, perhaps tilts with respect to the angle of vertical direction with maximum 60 °.Within the scope of the invention, described groove also can the bending of arc mode.
The pipe that dust collecter is connected in the suction tube connector and is used for guiding suction air is designed to flexible, utilizes the power that can vertically move to introduce point and the power distribution of realization in order to do not hinder and affect.From functional perspective, the guiding of air and the transmission of power preferably are separated.The flexible pipe that the preferred embodiments of the present invention provide comprises corrugated flexible hose or the multi-part tube that is made of movably a plurality of parts.
Dust collecter comprises the sliding surface with one or more pump orifices, and pump orifice extends across the width of dust collecter.Sliding surface can directly be supported on the surface of wanting cleaned, perhaps is supported on the roller that is arranged on anterior place.Preferably, sliding surface is provided with single pump orifice, and this pump orifice extends at the whole width of dust collecter, and when cleaning yarn fabric floor surface directly against floor surface.For the floor of clean, smooth, dust collecter can comprise the telescopic sealing strip that is positioned on the zone on floor, for example with the form of mane ring, the form of mane strip or the form of sealing lip.
Description of drawings
Below, with reference to the accompanying drawing that an exemplary embodiment only is shown the present invention is described.Following accompanying drawing is schematically shown:
Fig. 1 is the side view that is used for the suction nozzle of floor vacuum cleaner when travelling forward; And
The suction nozzle of Fig. 1 when Fig. 2 illustrates drawback movement.
The specific embodiment
Floor brush shown in the accompanying drawing comprises running gear 1, and running gear 1 comprises rear portion 2 and anterior 5, and rear portion 2 has two rollers 3 that are arranged on the axle 4, and anterior 5 stretch out along pumping direction, are used for connecting dust collecter 6.Dust collecter 6 is maintained on the front portion 5 of running gear, in order to can fascinate at trunnion axis 7.In addition, be provided with suction tube connector 8, suction tube connector 8 is arranged on the running gear 1, so that can be in horizontally hinged axle 9 rotations.The jointed shaft 9 of suction tube connector 8 is connected in the rear portion 2 of running gear in the mode that can vertically move by connecting portion 10, connecting portion 10 transmits sliding force between suction tube connector 8 and running gear 1.Fig. 1 and Fig. 2 relatively can be found out, when running gear travelled forward with drawback movement, jointed shaft 9 can be in diverse location 11,11 ' with respect to the axle 4 of roller 3.In order to guide the suction air, between suction tube connector 8 and dust collecter 6, flexible pipe 12 is set, for example, this flexible pipe 12 is designed to corrugated flexible hose, maybe can comprise multi-part tube, and this multi-part tube movably is made of a plurality of parts.
Connecting portion 10 between the rear portion 2 of jointed shaft 9 and running gear is arranged in such zone, and this zone begins along the 20mm place, front of pumping direction at the axle 4 of roller 3, and stops at the 20mm place, axle back of roller.In illustrated exemplary embodiment and according to a preferred embodiment of the invention, connecting portion 10 is arranged in the perpendicular that extends through roller shaft 4 basically.
The power that this connecting portion between the rear portion 2 of jointed shaft 9 and running gear produces when being delivered in suction tube 13 work that links to each other with suction tube connector 8, and this power shown in Fig. 1 and Fig. 2 is being the vector F of power
1, F
2This connecting portion between jointed shaft 9 and running gear 1 is designed to when running gear 1 travels forward, jointed shaft 9 is in the position 11 (Fig. 1) below the axle 4 of roller 3, and when drawback movement, jointed shaft 9 is in the position 11 ' (Fig. 2) above the roller shaft 4.Because the gap between jointed shaft 9 and roller shaft 4 has produced lever arm, this lever arm produces torque with the product of the power of introducing by suction tube.When travelling forward, produce torque, this torque has reduced for the power that dust collecter 6 is pressed on the floor surface, thereby need in order to travel forward to have reduced the sliding force of generation.When drawback movement, produce moment, the unloading that dust collecter 6 occurs during this moment opposing drawback movement, thereby when drawback movement, dust suction is also had positive effect.
Be connected in the rear portion 2 of running gear for the jointed shaft 9 with suction tube connector 8, guide recess 14 is set, in this guide recess 14, jointed shaft 9 is directed in order to can vertically move.Guide recess 14 is arranged on the wall surface at rear portion 2 of running gear.In the exemplary embodiment, the rear portion 2 of running gear comprises rolling wheel support, comprises the web of guide recess 14 rolling wheel support setting.Shown in exemplary embodiment in, guide recess 14 is extended vertically.But guide recess 14 also can tilt in vertical direction with certain angle ground, and perhaps guide recess 14 can be crooked in the arc mode.Guide recess 14 has formed top backstop and the bottom backstop that is used for the jointed shaft 9 of suction tube connector 8.When suction nozzle is worked, jointed shaft 9 when running gear travels forward against bottom backstop, and when the running gear drawback movement against top backstop.
Claims (4)
1. suction nozzle that is used for floor vacuum cleaner comprises:
Running gear (1), this running gear comprise rear portion (2) and anterior (5), and rear portion (2) have at least one roller (3), and anterior (5) stretch out to be used for connecting dust collecter (6) along pumping direction;
Dust collecter (6), this dust collecter (6) remain on the front portion (5) of running gear, in order to can fascinate in trunnion axis (7); And
Suction tube connector (8), this suction tube connector (8) is arranged on the running gear (1), in order to can rotate at horizontally hinged axle (9);
The flexible pipe (12) that is used for guiding suction air is arranged between suction tube connector (8) and the dust collecter (6);
Wherein, by between suction tube connector (8) and running gear (1), transmitting the connecting portion (10) of sliding force, horizontally hinged axle (9) is connected in the rear portion (2) of running gear, so that horizontally hinged axle can vertically move and be in different positions with respect to the axle (4) of roller (3) when running gear travels forward with drawback movement
Wherein, the horizontally hinged axle of suction tube connector is connected in the rear portion of running gear by guide recess (14) is set, the end of horizontally hinged axle (9) is directed in guide recess (14), in order to can move vertically; Guide recess (14) comprises for the upper end backstop of horizontally hinged axle (9) and lower end backstop, and wherein, when suction nozzle is worked, horizontally hinged axle (9) when running gear travels forward against lower end backstop, and when the running gear drawback movement against upper end backstop;
And wherein, described connecting portion (10) between horizontally hinged axle (9) and running gear (1) is designed so that when running gear moves forward, horizontally hinged axle (9) is in the position (11) below the roller shaft (4), and when drawback movement, horizontally hinged axle (9) is in the position (11 ') on the roller shaft (4); And because this arrangement, when running gear travels forward, produce torque, this torque has reduced for the power that dust collecter is pressed on the floor surface, thereby to need to have reduced in order to travel forward the sliding force that produces, and when the running gear drawback movement, produce moment, the unloading that dust collecter occurs during this moment opposing drawback movement.
2. suction nozzle according to claim 1, wherein, described connecting portion between the rear portion (2) of horizontally hinged axle (9) and running gear is in such zone, this zone begins along the 20mm place, front of pumping direction at the axle (4) of roller (3), and stops at the 20mm place, axle back of roller.
3. suction nozzle according to claim 1 and 2, wherein, guide recess (14) is extended vertically, and is perhaps with respect to tilt maximum 60 ° angle of vertical direction, perhaps crooked in the arc mode.
4. suction nozzle according to claim 1, wherein, flexible pipe (12) comprises corrugated flexible hose or the multi-part tube that is made of movably a plurality of parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008010897.9 | 2008-02-23 | ||
| DE200810010897 DE102008010897A1 (en) | 2008-02-23 | 2008-02-23 | Nozzle for vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101513335A CN101513335A (en) | 2009-08-26 |
| CN101513335B true CN101513335B (en) | 2013-02-06 |
Family
ID=40668414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910118010 Expired - Fee Related CN101513335B (en) | 2008-02-23 | 2009-02-23 | Nozzle for floor vacuum cleaner |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2092869B1 (en) |
| CN (1) | CN101513335B (en) |
| DE (1) | DE102008010897A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009059178A1 (en) * | 2009-12-17 | 2011-06-22 | Miele & Cie. KG, 33332 | Floor nozzle for vacuum cleaner |
| FR2967042B1 (en) * | 2010-11-05 | 2013-01-04 | Seb Sa | VACUUM SQUEEGEE WITH ROTATING SEAT |
| DE102011077286A1 (en) * | 2011-06-09 | 2012-12-13 | BSH Bosch und Siemens Hausgeräte GmbH | Suction nozzle with chassis arrangement |
| WO2016107633A1 (en) * | 2014-12-29 | 2016-07-07 | Aktiebolaget Electrolux | Tiltable vaccum cleaner nozzle with elastic stop element |
| CN105595917A (en) * | 2015-12-31 | 2016-05-25 | 苏州市伟克斯电器有限公司 | Suction nozzle of dust collector and dust collector |
| CN105725922A (en) * | 2016-04-15 | 2016-07-06 | 宁波锦隆电器有限公司 | Floor brush of dust collector |
| ITUA20163223A1 (en) | 2016-05-06 | 2017-11-06 | New Ermes Europe Srl | Suction head with improved adherence to the surface to be aspirated |
| US11224319B2 (en) | 2017-12-11 | 2022-01-18 | New Ermes Europe S.R.L. | Base plate for a vacuum cleaner suction head for the suction of fine dust and large debris |
| JP1641037S (en) | 2018-09-18 | 2019-09-09 | ||
| KR102281134B1 (en) * | 2019-08-26 | 2021-07-26 | 엘지전자 주식회사 | Robot cleaner |
| IT202000001555A1 (en) | 2020-01-28 | 2021-07-28 | New Ermes Europe Srl | Adapter device for cordless electric vacuum cleaner |
| USD953673S1 (en) | 2020-02-17 | 2022-05-31 | New Ermes Europe S.R.L. | Head of a vacuum cleaner |
| DE102022103372A1 (en) | 2022-02-14 | 2023-08-17 | Wessel-Werk Gmbh | vacuum cleaner nozzle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2807824A (en) * | 1955-05-03 | 1957-10-01 | Hoover Co | Suction cleaning tools |
| DE2846847A1 (en) * | 1978-10-27 | 1980-05-08 | Miele & Cie | FLOOR NOZZLE FOR VACUUM CLEANER |
| EP0304609A1 (en) * | 1987-07-28 | 1989-03-01 | Siemens Aktiengesellschaft | Vacuum cleaner nozzle with a tiltable nozzle body |
| CN1582127A (en) * | 2001-11-03 | 2005-02-16 | 戴森有限公司 | A floor tool |
| CN101099648A (en) * | 2006-07-07 | 2008-01-09 | 维斯尔-韦克有限公司 | Nozzle for floor vacuum cleaner |
-
2008
- 2008-02-23 DE DE200810010897 patent/DE102008010897A1/en not_active Withdrawn
-
2009
- 2009-01-31 EP EP09001365.7A patent/EP2092869B1/en active Active
- 2009-02-23 CN CN 200910118010 patent/CN101513335B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2807824A (en) * | 1955-05-03 | 1957-10-01 | Hoover Co | Suction cleaning tools |
| DE2846847A1 (en) * | 1978-10-27 | 1980-05-08 | Miele & Cie | FLOOR NOZZLE FOR VACUUM CLEANER |
| EP0304609A1 (en) * | 1987-07-28 | 1989-03-01 | Siemens Aktiengesellschaft | Vacuum cleaner nozzle with a tiltable nozzle body |
| CN1582127A (en) * | 2001-11-03 | 2005-02-16 | 戴森有限公司 | A floor tool |
| CN101099648A (en) * | 2006-07-07 | 2008-01-09 | 维斯尔-韦克有限公司 | Nozzle for floor vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2092869A3 (en) | 2011-05-04 |
| DE102008010897A1 (en) | 2009-08-27 |
| CN101513335A (en) | 2009-08-26 |
| EP2092869A2 (en) | 2009-08-26 |
| EP2092869B1 (en) | 2015-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |