CN102264269A - Squeegee assembly for floor cleaning machine - Google Patents
Squeegee assembly for floor cleaning machine Download PDFInfo
- Publication number
- CN102264269A CN102264269A CN2009801521361A CN200980152136A CN102264269A CN 102264269 A CN102264269 A CN 102264269A CN 2009801521361 A CN2009801521361 A CN 2009801521361A CN 200980152136 A CN200980152136 A CN 200980152136A CN 102264269 A CN102264269 A CN 102264269A
- Authority
- CN
- China
- Prior art keywords
- collecting chamber
- liquid collecting
- extension
- device assembly
- scraping
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 238000007790 scraping Methods 0.000 claims description 32
- 238000010408 sweeping Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000005201 scrubbing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
Abstract
The present application concerns the field of machines for floor treatment, such as cleaning and scrubbing, and in particular relates to the use of a vacuum squeegee assembly for collecting and lifting liquid from a floor surface during treatment. There is provided a squeegee assembly for collecting liquid from a floor surface, the assembly comprising an elongate roof portion provided with depending leading and trailing elongate squeegee blades, the blades and roof portion together defining an elongate liquid collection chamber when horizontally disposed on the floor surface, the chamber being provided with a vacuum vent so that the pressure in the chamber may be reduced so as to permit airflow entrainment and removal of liquid gathered by the squeegee blades in the chamber, characterized in that the chamber roof portion is upwardly inclined towards an end region thereof so that a floor to roof portion chamber height measured at an end region of the chamber is higher than a corresponding chamber height measured at a mid region of the chamber.
Description
Technical field
The present invention relates to be used for the apparatus field that (for example clean and clean) handled on the floor, relate in particular to a kind of vacuum and scrape the use of sweeping device assembly (vacuum squeegee assembly), this vacuum is scraped and is swept the device assembly and be used for collecting and pick up (lifting) liquid from floor surface in the process that handle on the floor.Usually, described scraping swept the device assembly and dragged in the cleaning head back.In cleaning/scouring operation, before the spin-cleaning head, the liquid that will contain cleaning agent is placed on the floor surface.Described cleaning head is cleaned described floor, and dirt is removed (dislodge) and dissolving (dissolve)/be carried to (entrain) described liquid from the floor.The dirty liquid body is scraped by vacuum and is swept the collection of device assembly, and described vacuum is scraped and swept the collection of device assembly and pick up described dirty liquid body, thus the dry floor of being cleaned.
Background technology
Traditional scraping swept device (squeegee) and comprised paired scraper plate (squeegee blade), and this paired scraper plate is placed side by side to be header board and back plate (leading and trailing blades).Described plate end regions (outer end region) outside is clamped together.Two plates all are crooked, and the radius of curvature of described header board is a bit larger tham the radius of curvature of described back plate.Described plate has the top, and this top is across described header board and described back plate.When seeing from top to bottom, described top is crescent, therefore described plate is taked the structure of convex lens profile (lenticular plan), in the structure of this convex lens profile, in central region, described plate is far away at interval, and at end regions, described plate is tapered to link together (taper together).Described plate and described top define the chamber that communicates with vacuum source jointly.Described front scrapping plate is formed with a series of holes (aperture) usually, and these a series of holes allow when header board drags passing through by the liquid of header board collection on the wetland plate.Therefore, described liquid can be collected and enter vacuum chamber, and scraper plate was stacked (pile against) after liquid reclined in this vacuum chamber.Described liquid carries from described vacuum chamber and enters the vacuum pneumatic that (entrain into) causes, and is pulled into collection storage chamber (collection reservoir).
The convex lens shape of described vacuum chamber has caused in the problem of effectively carrying of scraping the liquid of sweeping in the device vacuum chamber.The central region of described vacuum chamber is the collecting region after liquid enters by described header board.Described vacuum chamber has greater than externally regional cross-sectional area in central region.Owing to these reasons, the speed of described air-flow descends, and enters in the air-flow and allows described liquid to transmit from described vacuum chamber thereby described air-flow can not keep carrying described liquid well.This means the air velocity that need stronger vacuum source maintains the wide region of described vacuum chamber.
Attempted by gas channel is set, so that more even at the described air-flow of scraping in the vacuum chamber of sweeping device.In a kind of embodiment (referring to for example US 7254867), in the chamber, top, be formed with the ladder (step) of the passage that uniform cross-sectional area is provided.US 5911260 discloses a kind of scraping and has swept the device assembly, is arranged in this and scrapes the suction guiding piece that the suction chamber of sweeping the device assembly is provided with the dirty liquid body, and this suction guiding piece forms Extension support or extension wing (flap).
The existing problem of sweeping apparatus of scraping is, in the outer end of described vacuum chamber, described vacuum chamber narrows down and makes and be difficult to carry effectively liquid.This to small part be since in these zones liquid have the trend of filling up chamber, thereby in these zones the restriction air-flow carry.
Summary of the invention
The present invention tries hard to be provided at and scrapes the more effective liquid of sweeping in the device assembly and collect, and particularly, scrapes the more effective liquid of sweeping in the device assembly and collects by improving to collect to be provided at the described liquid of scraping the zone, outer end of sweeping device.
According to an aspect of the present invention, provide a kind of being used for to sweep the device assembly from scraping of liquid of floor surface collection, this is scraped and sweeps the top that the device assembly comprises extension, this top is provided with the preceding support scratch board of extension and the back support scratch board of extension, when the back support scratch board of preceding support scratch board that extends and extension and described top water level land are placed on the described floor surface, the preceding support scratch board of described extension and the back support scratch board of extension and described top limit the liquid collecting chamber of extension jointly, this liquid collecting chamber is provided with vacuum port, thereby can reduce the pressure in the described liquid collecting chamber, be collected in the air-flow of the liquid in the described liquid collecting chamber and remove this liquid to allow to produce to carry by the preceding support scratch board of described extension and the back support scratch board of extension, it is characterized in that, described liquid collecting chamber top is inclined upwardly towards the end regions of this liquid collecting chamber, make the end regions of described liquid collecting chamber measure from the floor to the height at liquid collecting chamber top height greater than the corresponding liquid collecting chamber of measuring in the central region of described liquid collecting chamber.
Existing scraping swept the top surface that the device assembly has smooth and level usually.By increase described liquid collecting chamber outside end regions kept gas channel better with respect to the height of central region at end regions, and water/cleaning solution can carry the air-flow that sucks into by vacuum better.
Described top each the described end regions in two end regions of described liquid collecting chamber usually is inclined upwardly, and makes at the height of the described liquid collecting chamber of described two end regions height greater than the described corresponding liquid collecting chamber of measuring in the central region of described liquid collecting chamber.
Preferably, the height of the liquid collecting chamber of the described central region of aspect ratio of the liquid collecting chamber of described end regions is big by 0.3% to 4.0%.
Preferably, described inclination is a linear tilt, although other structure can be arranged, and for example non-linear incline or stairstepping.Described inclination can be for rising 0.2 degree to 2.0 degree from horizontal plane.Preferably, described inclination is that 0.3 degree is to 1.0 degree.
When the back support scratch board of the preceding support scratch board of described extension and extension and described top were placed on the described floor surface, the preceding support scratch board of described extension and the back support scratch board of extension and described top were set to provide the roughly structure of convex lens profile (lenticular plan) usually.
As conventional in the art, described vacuum port is formed on the central area at described liquid collecting chamber top.
Described top provides by the insert with profile (profiled insert) that is arranged between the described scraper plate.This allows easily to change existing scraping according to the present invention to sweep the device assembly by replacing original insert with described insert of the present invention.
In concrete embodiment, described insert with profile has convex lens profile roughly, the upper surface and the lower surface of approximate horizontal, this lower surface has two tapered parts that make progress, each tapered part that makes progress is extended to each perimeter of this insert from the central region of described insert, and the lower surface of described insert provides liquid collecting chamber top.
The present invention also comprises floor processing, cleaning and friction scrubbing apparatus, and this equipment comprises that herein probably description or described the scraping of the specific embodiment are swept the device assembly.
Therefore, according to another aspect of the present invention, a kind of floor cleaning is provided, this floor cleaning comprises that at least one is used to handle the working head and the suction generator on floor, and this floor cleaning comprises that also above-mentioned scraping according to any described vacuum of claim in front sweep the device assembly, wherein, this is scraped the described vacuum port of sweeping the device assembly and is communicated with described suction generator fluid, and described scraping swept the device assembly and be set to drag back (aft) at described at least one working head.
Described floor cleaning can be set to riding type (ride-on) equipment or hand-held (walk-behind) equipment.Preferably, described floor cleaning comprises the drive unit that is used for promoting at floor surface described floor cleaning.The drive unit that is fit to comprises that (but being not limited to) is suitable for driving the motor of driving wheel.
Description of drawings
It hereinafter is the description that only realizes the accompanying drawing of a kind of mode of the present invention by embodiment and reference.
In the accompanying drawings:
Fig. 1 is provided with the perspective view that vacuum is scraped the floor cleaning of sweeping the device gatherer;
Fig. 2 is according to the perspective view of sweeping the device assembly of scraping of the present invention;
Fig. 3 A to Fig. 3 D illustrates and passes described scraping and sweep the device assembly and illustratedly in Fig. 2 be denoted as the cross section of face A to face D at diverse location;
Fig. 4 is the front view of sweeping the device assembly of scraping of the present invention, has removed scraper plate in this front view, with the tapered profile (tapering profile) that illustrates described collecting chamber top.
The specific embodiment
In Fig. 1, floor cleaning equipment totally is expressed as 10.This floor cleaning equipment 10 is riding type (ride-on) equipment, and this riding type equipment has battery-driven wheeled transport establishment (invisible).The cleaning head of three rotations (invisible) is towards the floor, and is arranged on the downside of described equipment.Described equipment has vacuum to be scraped and sweeps device assembly 11, and this is scraped and sweeps device assembly 11 and drag trailing wheel 12 back at described equipment.During use, when cleaning the floor, cleaning solution is sprayed onto on the floor surface.Dirt and grease on the described liquid dissolving floor surface.Described scraping swept device collection dirty liquid body, and the dirty liquid body is picked up to be stored in the inside addle storeroom (invisible) the equipment from floor surface.
To describe described scraping below in more detail and sweep the device assembly.In Fig. 2, to scrape and sweep the preceding rectangle scraper plate 20 that device 11 comprises extension, the preceding rectangle scraper plate 20 of this extension is made by synthetic rubber plastic material bar.The lower marginal zone 21 towards the floor of the preceding rectangle scraper plate 20 that extends is formed with a plurality of isolated vertical grooves or hole 22.Hole 22 allows to be communicated with interior vacuum chamber 23 (in Fig. 3 as seen) fluid.Described scraper plate is crooked, thereby the zone, outer end of this scraper plate 24,25 is positioned at central region 26 the place aheads of this scraper plate.The shape of back scraper plate 27 is similar to the shape of front scrapping plate, and similarly has bending forward.The radius of curvature of back scraper plate 27 is less than the radius of curvature of described front scrapping plate.Front scrapping plate and back scraper plate are tapered to link together (taper together) in the zone, outer end 24,25 of described front scrapping plate and back scraper plate, but described front scrapping plate of central region and back scraper plate towards front scrapping plate and back scraper plate are isolated, thereby front scrapping plate and back scraper plate form the convex lens profile together.Front scrapping plate and back scraper plate be located among Fig. 3 with the extension of cross-sectional illustration, in the half moon-shaped steel lid 30.As shown in Figure 3, the described lid with crescent top has inverted U-shaped cross section roughly.The central region of described lid is formed with upright outlet 52.Described mouth provides fluid to be communicated with between vacuum chamber and vacuum gas suction pump (not shown).
Between described scraper plate 20,27 and and to put are top inserts 40 at the downside of lid 30.Top insert with U-shaped cross section is the convex lens shape element that extends, and the sidewall in described U-shaped cross section is tapered to the outer core zone 41 of solid.Described top can be made by for example mach metal or by molded plastic material.The central region of described top insert (not shown) is formed with vertical core, and this vertical core is corresponding with vacuum port 52 (see figure 2)s in the described lid and align.
The downside 42 of described top insert is set to the extensional surface of general planar, and this extensional surface is inclined upward to each zone, outer end 44,45 from its middle zone 43.The side of described top insert is shown among Fig. 4 from the side.Described surface from central region with and by the desirable level face that floor 46 limits be+angle between 0.2 ° to+2 ° is inclined upwardly, in preferred embodiment, the angle ranging from+0.5 °.Referring to a series of cross-sectional view 3A, 3B, 3C and 3D, the height between top insert and the described floor (height distance 1,2,3 and 4) increases from the central region to the outer edge region gradually.
During use, liquid enters the hole of front scrapping plate, and is collected in described scraping and sweeps in the device chamber.Described vacuum port also sucks air in the described chamber by described hole.The height in the chamber that increases in the zone, outer end in described chamber provides such as the bigger flow channel of the fruit cap height situation parallel with floor surface.Therefore, the vacuum that flow to be caused by air can be better carried liquid from the floor surface of end regions outside.
Claims (14)
1. one kind is used for sweeping the device assembly from scraping of liquid of floor surface collection, this is scraped and sweeps the top that the device assembly comprises extension, this top is provided with the preceding support scratch board of extension and the back support scratch board of extension, when the back support scratch board of the preceding support scratch board of described extension and extension and described top water level land are placed on the described floor surface, the preceding support scratch board of described extension and the back support scratch board of extension and described top limit the liquid collecting chamber of extension jointly, this liquid collecting chamber is provided with vacuum port, thereby can reduce the pressure in the described liquid collecting chamber, be collected in the air-flow of the liquid in the described liquid collecting chamber and remove this liquid to allow to produce to carry by the preceding support scratch board of described extension and the back support scratch board of extension, it is characterized in that, described liquid collecting chamber top is inclined upwardly towards the end regions of this liquid collecting chamber, make the end regions of described liquid collecting chamber measure from the floor to the height at liquid collecting chamber top height greater than the corresponding liquid collecting chamber of measuring in the central region of described liquid collecting chamber.
2. according to claim 1 scraping swept the device assembly, wherein, described top each described end regions in two end regions of described liquid collecting chamber is inclined upwardly, and makes height at the described liquid collecting chamber of described two end regions greater than the described corresponding liquid collecting chamber height of measuring in the central region of described liquid collecting chamber.
3. according to claim 1 and 2 scraping swept the device assembly, and wherein, the height of the liquid collecting chamber of the described central region of aspect ratio of the liquid collecting chamber of described end regions is big by 0.3% to 4.0%.
4. sweep the device assembly according to front described the scraping of any claim, wherein, described inclination is a linear tilt.
5. according to claim 4 scraping swept the device assembly, and wherein, described inclination is to rise 0.2 degree to 2.0 degree from horizontal plane.
6. according to claim 5 scraping swept the device assembly, and wherein, described inclination is that 0.3 degree is to 1.0 degree.
7. sweep the device assembly according to front described the scraping of any claim, wherein, when the back support scratch board of the preceding support scratch board of described extension and extension and described top were placed on the described floor surface, the preceding support scratch board of described extension and the back support scratch board of extension and described top were set to provide the roughly structure of convex lens profile.
8. sweep the device assembly according to front described the scraping of any claim, wherein, described vacuum port is formed on the central area at described liquid collecting chamber top.
9. sweep the device assembly according to front described the scraping of any claim, wherein, described top provides by the insert with profile that is arranged between the described scraper plate.
10. according to claim 9 scraping swept the device assembly, wherein, described insert with profile has convex lens profile roughly, the upper surface and the lower surface of approximate horizontal, this lower surface has two tapered parts that make progress, each tapered part that makes progress is extended to each perimeter of this insert from the central region of described insert, and the lower surface of described insert provides described liquid collecting chamber top.
11. floor cleaning, this floor cleaning comprises that at least one is used to handle the working head and the suction generator on floor, and this floor cleaning also comprises scraping according to any described vacuum of claim in front sweeps the device assembly, wherein, this is scraped the described vacuum port of sweeping the device assembly and is communicated with described suction generator fluid, and described scraping swept the device assembly and be set to drag back at described at least one working head.
12. floor cleaning according to claim 11, this floor cleaning is set to riding type equipment.
13. floor cleaning according to claim 11, this floor cleaning is set to hand-held equipment.
14. according to any described floor cleaning in the claim 11 to 13, this floor cleaning comprises the drive unit that is used for promoting at floor surface described floor cleaning, this drive unit comprises motor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0823571.5A GB0823571D0 (en) | 2008-12-24 | 2008-12-24 | Squeegee assembly for a floor cleaning machine |
| GB0823571.5 | 2008-12-24 | ||
| PCT/GB2009/002937 WO2010073007A1 (en) | 2008-12-24 | 2009-12-22 | Squeegee assembly for a floor cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102264269A true CN102264269A (en) | 2011-11-30 |
Family
ID=40344226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801521361A Pending CN102264269A (en) | 2008-12-24 | 2009-12-22 | Squeegee assembly for floor cleaning machine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20110283471A1 (en) |
| EP (1) | EP2375955B1 (en) |
| CN (1) | CN102264269A (en) |
| CA (1) | CA2747900A1 (en) |
| GB (1) | GB0823571D0 (en) |
| WO (1) | WO2010073007A1 (en) |
| ZA (1) | ZA201104466B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105358031A (en) * | 2013-06-28 | 2016-02-24 | 阿尔弗雷德·凯驰两合公司 | Movable ride-on floor cleaning machine and method for positioning a suction bar of a movable ride-on floor cleaning machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014107469B3 (en) | 2014-05-27 | 2015-04-16 | Hako Gmbh | Suction cup for a floor cleaning machine |
| WO2016037073A2 (en) | 2014-09-05 | 2016-03-10 | Tennant Company | Systems and methods for supplying treatment liquids having nanobubbles |
| CN207627248U (en) * | 2016-12-02 | 2018-07-20 | 天佑电器（苏州）有限公司 | Absorb water brush head and the dry and wet dust catcher with it |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3065490A (en) * | 1960-08-02 | 1962-11-27 | Advance Floor Machine Company | Shiftable pick-up squeegee unit for floor treating machine |
| IT209883Z2 (en) * | 1987-01-28 | 1988-11-04 | Idroplina Srl | BLADE SQUEEGEE DEVICE FOR SURFACE CLEANING MACHINES. |
| JP3343027B2 (en) | 1996-05-17 | 2002-11-11 | アマノ株式会社 | Squeegee for floor washer |
| DE20109267U1 (en) * | 2001-06-05 | 2001-09-20 | Formex Plastic Gmbh | Squeegee for a cleaning machine |
| US7254867B2 (en) | 2003-03-07 | 2007-08-14 | Nilfisk-Advance, Inc. | Squeegee assembly |
-
2008
- 2008-12-24 GB GBGB0823571.5A patent/GB0823571D0/en not_active Ceased
-
2009
- 2009-12-22 US US13/141,391 patent/US20110283471A1/en not_active Abandoned
- 2009-12-22 WO PCT/GB2009/002937 patent/WO2010073007A1/en active Application Filing
- 2009-12-22 CA CA2747900A patent/CA2747900A1/en not_active Abandoned
- 2009-12-22 EP EP09799685.4A patent/EP2375955B1/en active Active
- 2009-12-22 CN CN2009801521361A patent/CN102264269A/en active Pending
-
2011
- 2011-06-15 ZA ZA2011/04466A patent/ZA201104466B/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105358031A (en) * | 2013-06-28 | 2016-02-24 | 阿尔弗雷德·凯驰两合公司 | Movable ride-on floor cleaning machine and method for positioning a suction bar of a movable ride-on floor cleaning machine |
| CN105358031B (en) * | 2013-06-28 | 2018-04-10 | 阿尔弗雷德·凯驰两合公司 | The method of the sucker rod of the sitting posture floor-cleaning machine of wheeled and the sitting posture floor-cleaning machine for positioning wheeled |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2747900A1 (en) | 2010-07-01 |
| EP2375955B1 (en) | 2014-05-14 |
| ZA201104466B (en) | 2012-08-29 |
| EP2375955A1 (en) | 2011-10-19 |
| GB0823571D0 (en) | 2009-01-28 |
| WO2010073007A1 (en) | 2010-07-01 |
| US20110283471A1 (en) | 2011-11-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111130 |