CN104114292A - Surface cleaning head and flow resistance element for a surface cleaning head - Google Patents
Surface cleaning head and flow resistance element for a surface cleaning head Download PDFInfo
- Publication number
- CN104114292A CN104114292A CN201280069980.XA CN201280069980A CN104114292A CN 104114292 A CN104114292 A CN 104114292A CN 201280069980 A CN201280069980 A CN 201280069980A CN 104114292 A CN104114292 A CN 104114292A
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- CN
- China
- Prior art keywords
- choked flow
- cleaning head
- face
- flow element
- bristle bars
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
- B08B3/028—Spray guns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0229—Suction chambers for aspirating the sprayed liquid
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a surface-cleaning head (10) for cleaning a surface (25), comprising a hood-shaped housing (12) having a cleaning space (20) open downwards and surrounded by a peripheral wall (18), in which cleaning space at least one cleaning nozzle (39, 40) for applying cleaning fluid to the surface (25) to be cleaned is mounted on a spraying arm (37, 38) in a freely rotatable manner about an axis of rotation (32), a spray protection device (67) with a circumferential bristle strip (71) being arranged on the peripheral wall (18). In order to improve the surface cleaning head in such a way that the permeability of the bristle strip for spray water and air can be reduced without the risk of the bristle strip (71) catching on an uneven spot on the floor, according to the invention a flow resistance element (75) extending along the periphery of the bristle strip (71) contacts said bristle strip (71), wherein a free edge area (73) of the bristle strip (71) projects past the flow resistance element (75) in the direction of the surface (25) to be cleaned. The invention further relates to a flow resistance element (75) for a surface cleaning head (10).
Description
Technical field
The present invention relates to a kind ofly for opposite, carry out clean face cleaning head, it is with hood-like housing, this housing has the downward unlimited cleaning chamber being surrounded by perisporium, in this cleaning chamber, at least one cleaning nozzle can rotate rotation axis free rotation ground supporting on spray arm, in order to cleaning fluid is applied on face to be cleaned, wherein, on perisporium, be furnished with band around the anti-splash device of bristle bars.
In addition, the invention still further relates to a kind of choked flow element for such cleaning head.
Background technology
It is for example known by DE 10 2,010 003 079 A1 and WO2011/020492 A1 that the face cleaning head of type is mentioned in beginning.By them, stiff dough, particularly ground, balcony, garage be can for example clean and track or gate, garage entered.For being cleaned, these faces can on face cleaning head, connect the pressure line of high-pressure cleaning appliance.So the cleaning fluid being placed under pressure can be delivered to the cleaning nozzle being arranged at least one spray arm.By cleaning nozzle, the cleaning fluid being placed under pressure can be applied on face to be cleaned.In this case, cleaning nozzle is subjected to recoil (R ü cksto β), and under its effect, spray arm is around pivot axis.This can realize in a short period of time and load larger face with cleaning fluid.
For the water that prevents from splashing penetrates from cleaning chamber, on perisporium, be furnished with anti-splash device, its have on circumferentially around bristle bars.Face cleaning head can be placed on face to be cleaned with bristle bars.If face cleaning head moves along face to be cleaned, bristle bars is slided along this face so.In order to realize good sealing function, bristle bars can have a large amount of bristles of filling hermetically.But the shortcoming of doing is like this flexibility that has limited bristle bars.If face cleaning head, along uneven face, for example, along the ground motion of paving, exists following danger for inflexible bristle bars so, that is, this bristle bars is uneven place on ground, and for example place, the gap between two paving stones is blocked.This can cause face cleaning head to be tumbled.And if reduce the packing density of bristle, although bristle bars has high flexibility so, and can reduce the bristle bars danger that uneven place is blocked on ground, but bristle bars also has limited sealing function, thereby the water splashing may be released from cleaning chamber.
Can stipulate, face cleaning head has pump installation, by this pump installation, can cleaning chamber pumped to (abpumpen) to be placed in during cleaning fluid under pressure loads face to be cleaned.In such design, in the situation that having smaller packing density, the bristle of bristle bars there is equally following shortcoming, that is, extraneous air can be invaded in cleaning chamber through bristle bars, and has damaged thus the suction effect that should realize by pump installation.
Summary of the invention
Task of the present invention is that the face cleaning head of type is mentioned in improvement beginning as follows, that is, bristle bars can be reduced for the penetrability of the water and air splashing, but there will not be bristle bars and ground injustice to locate the danger of blocking.
For such cleaning head, this task solves as follows according to the present invention,, is furnished with the choked flow element extending in bristle bars on the periphery of bristle bars that is, wherein, the free edge region of bristle bars goes out over choked flow element in the direction epirelief of the face towards to be cleaned.
For according to of the present invention cleaning head, cleaning chamber is not only sealed by bristle bars but also additionally also by choked flow element, is sealed, and this choked flow element upwards extended along bristle bars in week, and for example abutted on the inner side or outside of bristle bars.But choked flow element only extends on the axial direction of the pivot center about cleaning nozzle on the subregion of bristle bars, thereby the free edge region of bristle bars is gone out over choked flow element in the direction epirelief of the face towards to be cleaned.
The opposing of choked flow element is flowed through Air Flow and the fluid of bristle bars.Therefore, the bristle of bristle bars can have smaller packing density.This gives the flexibility that bristle bars is very high, thus the danger that in fact there will not be on the ground the uneven place of bristle bars and ground to block when along slip.
The choked flow element upwards extending along bristle bars in week is provided, this choked flow element on the axial direction of the pivot center about at least one cleaning nozzle with respect to the free end region retrude of bristle bars, particularly in following situation, proved applicable, wherein, face cleaning head has for siphoning away the pump installation of the cleaning fluid on the face of being applied to.If clean room is pumped with pump, so only in the free edge region of bristle bars, extraneous air could be with sizable flow rate percolation bristle bars, and in the region of choked flow element, the flow rate of extraneous air reduces or may there is no extraneous air percolation at all.Therefore, extraneous air preferentially in the free edge region of bristle bars, that is to say in the borderline region between bristle bars and face to be cleaned and flows in cleaning chamber.Thus, the fluid being applied on face is sucked in cleaning chamber by the extraneous air flowing into, and can be derived by pump installation.Therefore, use above-mentioned choked flow element to realize improved suction effect having for siphoning away the face cleaning head of the pump installation of the cleaning fluid on the face of being applied to.
The pump installation of such cleaning head can for example be designed to jet pump, and this jet pump can load with the cleaning fluid being placed under pressure.For this reason, jet pump can have the pump inlet passage that flows and be connected with cleaning chamber, this pump inlet passage by mixing chamber with catch passage and be connected, wherein, in the upstream arrangement of catching passage, have the jet nozzle (Treibd ü se) that can load with the cleaning fluid being placed under pressure, it flows for constructing suction.
Advantageously, bristle bars protrudes upward in the side of the face towards to be cleaned over choked flow element 1mm to 5mm, preferably 2mm to 3mm.Therefore, the axial extension in the free edge region of bristle bars is preferably dimensioned to be 1mm to 5mm, particularly 2mm to 3mm.
Particularly advantageously, choked flow element can be connected in the mode that can unclamp with anti-splash device.This has given user following possibility, that is, and and can be selectively in the mode with choked flow element or not use face cleaning head with the mode of choked flow element.Particularly for example in the situation that the smooth face using in the region of health is used this face cleaning head to prove applicable.If but with cleaning head, clean coarse face, particularly clean coarse ground, can remove choked flow element, so to avoid the strong wearing and tearing to choked flow element from bristle bars.
In preferred design of the present invention, anti-splash device comprises the retaining ring on the free edge that is arranged in perisporium, and bristle bars remains in this retaining ring, wherein, choked flow element upwards surrounds retaining ring in week, and abuts on the upside of deviating from of retaining ring face to be cleaned.In such design, choked flow element encompasses retaining ring, and be placed on the upside of deviating from of retaining ring face to be cleaned.Thus, this choked flow element is supported by retaining ring in the direction of the face towards to be cleaned.Thus, the danger that surprisingly unclamp at choked flow element and anti-splash device place can keep very little.
Advantageously, choked flow element not only abuts on the upside of retaining ring, and abuts on the downside of retaining ring.In such design, choked flow element preferably constructs shape sealed (Formschluss) with retaining ring, and can remain in retaining ring reliably thus.
Advantageously, choked flow element energy strain.
Choked flow element can for example design according to the form of the sealing lip of energy strain, and sealing lip abuts on the inner side or outside of bristle bars.
Preferably, choked flow element energy elasticity extends.This can realize and make choked flow element with simple mode and anti-splash device in structure, especially can be connected with retaining ring with unclamping.
In favourable embodiment, choked flow element is abnormal shapeization (profilieren).This has simplified the sealed foundation of shape between choked flow element and anti-splash device (particularly retaining ring).
In favourable embodiment of the present invention, design of choking flow component is annular bar, and this annular bar abuts on the inner side or outside of bristle rings.Annular bar can for example cover the whole outside except its free edge region of bristle rings.
Annular bar is preferably configured as flexible, and by anti-splash device, especially the retaining ring by this anti-splash device keeps shape.
Advantageously, annular bar energy elasticity extends and can be tensioned in the retaining ring of rigidity, and can take off from retaining ring when needed, and bristle bars remains in this retaining ring.If annular bar should be connected with anti-splash device, this annular bar for this reason can elasticity extends and can be tensioned in the retaining ring of rigidity of anti-splash device so.Bristle bars remains in retaining ring, and annular bar on the axial direction of the pivot center about at least one cleaning nozzle towards face to be cleaned extend until this annular bar except the free edge region of bristle bars, in inner side or in outside, to hide bristle bars completely so far away.
Particularly advantageously, choked flow element is that air is not transparent.
For example can stipulate, choked flow element is made by rubber elastic material.
The present invention not only relates to the face cleaning head of the above-mentioned type, and relate to the choked flow element that carries out clean face cleaning head for opposite, wherein, face cleaning head comprises the hood-like housing with perisporium, and this perisporium surrounds unlimited cleaning chamber downwards, in this cleaning chamber, at least one cleaning nozzle can rotate rotation axis free rotation ground supporting on spray arm, in order to apply cleaning fluid to face to be cleaned, wherein, on perisporium, be furnished with band around the anti-splash device of bristle bars.In order to reduce bristle bars for the penetrance of the water and air splashing in such cleaning head, but the danger that there will not be the uneven place in bristle bars and ground to block, according to the invention provides following choked flow element, this choked flow element can be connected in the mode that can unclamp with anti-splash device, and abut in bristle bars and on the periphery of bristle bars and extend under connection status, wherein, the free edge of bristle bars goes out over choked flow element in the direction epirelief of the face towards to be cleaned.
As already mentioned, choked flow element can be connected with anti-splash device as required and can again unclamp with it where necessary.If choked flow element is connected with anti-splash device, this choked flow element extends upward in week along bristle bars so, and wherein, the free edge of bristle bars goes out over choked flow element in the direction epirelief of the face towards to be cleaned.Therefore, air only can be in the region of the free edge of bristle bars with sizable flow rate through bristle bars.Cleaning head has for siphoning away the pump installation of the cleaning fluid on the face of being applied to face to face, and for example during jet pump, this is particularly advantageous.As already mentioned, when cleaning chamber is aspirated, extraneous air can flow into the inside of cleaning chamber from the outside through the free edge of bristle bars, wherein, the fluid being applied on face is inhaled in cleaning chamber, thereby this fluid can pass through pump installation, and for example jet pump is sucked away.
If carry out the face of clear flat by face cleaning head, fabrication facility floor for example, choked flow element can be connected with anti-splash device so.And if clean coarse especially face exist so anti-splash device to be subject to high-wearing danger, so choked flow element can be unclamped by user from anti-splash device.It is smaller that the packing density of the bristle of bristle bars can keep, thereby when choked flow element and anti-splash device unclamp, anti-splash device has extra high flexibility.Thus, even if in fact there is not the danger that the uneven place of bristle bars and ground is blocked and face cleaning head is tumbled when clean uneven especially face yet.
As already mentioned, anti-splash device preferably has the retaining ring of rigidity, and bristle bars remains in this retaining ring.Choked flow element is preferably designed for the annular bar that energy elasticity extends, and this annular bar can be tensioned in the retaining ring of rigidity, and upwards surrounds bristle bars in week.The annular bar that energy elasticity extends can, by user in simple mode, preferably be connected with anti-splash device in the situation that not using special tool(s).For this reason, only need annular bar is extended and be tensioned in retaining ring.Annular bar extends beyond retaining ring towards face to be cleaned on the axial direction of the pivot center about at least one cleaning nozzle, wherein, annular bar is connected to the bristle bars (except its free edge region) in retaining ring being upwards enclosed in week on axial direction.
Advantageously, annular bar is made by rubber elastic material.
Advantageously, annular bar is designed to flexibility.If annular bar is tensioned in the retaining ring of rigidity, this annular bar provides shape by rigidity retaining ring so, and in the situation that there is no the retaining ring of rigidity, annular bar does not have fixing shape.
Advantageously, annular bar is that air is not transparent.This guarantees to abut in the region in bristle bars in annular bar, and extraneous air can not percolation bristle bars.Only, in the free edge region of bristle bars, extraneous air just may percolation bristle bars.
Accompanying drawing explanation
Following description of the preferred embodiment of the present invention is by reference to the accompanying drawings for further illustrating.Wherein:
Fig. 1 illustrates according to the schematic plan of the preferred embodiment of of the present invention cleaning head;
Fig. 2 illustrates the profile along the line 2-2 in Fig. 1 of face cleaning head, and wherein, anti-splash device is connected with choked flow element;
Fig. 3 illustrates the profile along the line 3-3 in Fig. 1 of face cleaning head, and wherein, anti-splash device is connected with choked flow element;
Fig. 4 illustrates the enlarged drawing of the details A in Fig. 3;
Fig. 5 illustrates the profile corresponding to the face cleaning head of Fig. 2, and wherein, choked flow element removes from anti-splash device.
The specific embodiment
Schematically show in the accompanying drawings according to the preferred embodiment of of the present invention cleaning head, this face cleaning head is on the whole with Reference numeral 10 marks.Face cleaning head 10 has hood-like housing 12, and this housing is substantially designed to the triangle with rounding turning in the top view shown in Fig. 1.Housing 12 comprises roof 14, is connected with outer wall 16 on the outward flange of this roof.Columniform perisporium 18 has the mode of spacing to stretch out from roof downwards with relative outer wall 16, and this perisporium surrounds cleaning chamber 20.In region between outer wall 16 and perisporium 18, to attach troops to a unit respectively, in the mode of the corner region of housing 12, be furnished with bearing wheels 22,23,24, by these carrying wheel face cleaning heads 10, can be supported on face to be cleaned 25, and can move along face to be cleaned 25 by these carrying wheel face cleaning heads 10.
Above roof 14, be furnished with the allocation units 28 with distributed lines 30, the longitudinal axis 31 of this distributed lines is perpendicular to cylinder axis 32 ground orientations, and this cylinder axis is limited by columniform perisporium 18.
Allocation units 28 construct supporting member, and supply lines 33 can be bearing on this supporting member pivotally around the longitudinal axis 31 of distributed lines 30.Supply lines 33 has connection element 34 on it deviates from the free end of housing 12, the jet rod that for example can connect the known of high-pressure cleaning appliance own and therefore do not illustrate in the drawings on this connection element.
Supply lines 33 passes in distributed lines 30, be connected in this distributed lines to the first branched line 36 and cylinder axis 32 co-axial orientation, this first branched line inserts in cleaning chamber 20 and on its free end, has two each other at diametrically opposite spray arm 37,38.These two spray arms 37,38 have respectively cleaning nozzle 39,40 on their free end.By cleaning nozzle 39,40, face 25 to be cleaned can carry out hydro-peening with the cleaning fluid under pressure in the region being surrounded by perisporium 18.Cleaning nozzle 39,40 produces the fluid jet that is tilted to lower orientation, and this fluid jet applies torque and also makes thus them around cylinder axis 32, rotate to spray arm 37,38 when penetrating from cleaning nozzle 39,40.
Distributed lines 30 is flowed and is connected with jet pump 45 by the second branched line 43.Jet pump 45 comprises jet nozzle 46, and this jet nozzle is fixed on nozzle holding device 48.Nozzle holding device 48 insert in pump channel 50 and with this pump channel mechanical connection.In illustrated embodiment, nozzle holding device 48 and pump channel 50 lockings.Pump channel 50 extends through outer wall 16 from the through hole 52 of the side direction of perisporium 18 with the radial oriented longitudinal axis 53 of relative cylinder axis 32, thereby makes the outwardly housing 12 that surpasses of this pump channel.In pump channel 50, the mixing chamber 55 that is designed to truncated cone shape is connected on jet nozzle 46, and this mixing chamber attenuates in the direction that deviates from cleaning chamber 20 taper.The columniform passage 57 of catching is connected on mixing chamber 55, and diffuser 59 is connected in the direction that deviates from cleaning chamber 20 catches on passage 57, widens this diffuser taper.Diffuser 59 is surrounded by annular chamber 61 in its end regions, and the pipe joint of junction apparatus 63 can insert in this annular chamber, flows out flexible pipe 65 can be connected on face cleaning head 10 by this junction apparatus.
As already mentioned, can be by cleaning nozzle 39,40 by the cleaning fluid being placed under pressure, preferred water is applied on face to be cleaned 25.For fear of the water splashing, can penetrate from cleaning chamber 20, on the free edge of perisporium 18, be furnished with the anti-splash device 67 with the retaining ring 69 of rigidity, this retaining ring is fixed on perisporium 18, and in this retaining ring, maintain bristle bars 71, this bristle bars is extended on the axial direction about cylinder axis 32 until face 25 to be cleaned.By bristle bars 71, face 25 sealings that cleaning chamber 20 can be relatively to be cleaned, and can prevent that the water splashing from penetrating from cleaning chamber 20.
Especially by Fig. 4, can know and find out, retaining ring (except free edge region 73) and bristle bars 71 made progress completely by choked flow element encompasses in week, this choked flow element is configured to the closed annular bar 75 that energy elasticity extends in illustrated embodiment, and this annular bar energy elasticity extends and made by rubber elastic material.Annular bar 75 can be tensioned in the retaining ring 69 of rigidity, and wherein, this annular bar is extended, thereby makes it and then radially to load retaining ring 69 to the tensile force of interior orientation.It is sealed that the retaining ring 69 of annular bar 75 and rigidity constructs shape in outside.For this reason, annular bar 75 constructs the special-shaped portion 77 of U-shaped on the height of retainer belt 69, this abnormal shape portion abuts on the upside 80 of retaining ring 69 with upper arm 79, and with underarm 81, abut on the downside 82 of retaining ring 69, and this abnormal shape portion utilizes the contact pin 84 that upper arm 69 is connected with underarm 80 one upwards to surround retaining ring 69 completely in week.In the axial direction, be connected with the flange 86 of annular bar 75 in U abnormal shape portion 77, this flange abuts on the outside of bristle bars 71, and upwards surrounds this bristle bars completely in week.At this, the bottom 87 that surpasses flange 86 is protruded in the free edge region 73 of bristle bars 71, thereby free edge region 73 is not surrounded by annular bar 75.
Annular bar 75 is designed to flexible individual member, and this member can be connected and can separate with anti-splash device with anti-splash device 67 as required.Face cleaning head 10 with annular bar 75 has been shown in Fig. 2 and Fig. 3.In this design, face cleaning head 10 is specially adapted to the face of clear flat, for example clean plant ground.At this, can the cleaning fluid being placed under pressure be applied on face to be cleaned 35 by cleaning nozzle 39,40, and can apply cleaning fluid be pumped via flowing out flexible pipe 65 from cleaning chamber 20 by jet pump 75.At face cleaning head 10 run durations, in cleaning chamber 20, construct negative pressure, and extraneous air can percolation bristle bars 71 free edge region 73, wherein, the fluid being applied on face 25 can be carried secretly by the extraneous air in radial inflow cleaning chamber 20, and can be siphoned away reliably by flowing out flexible pipe 65.And in the region being surrounded by annular bar 75 of bristle bars 71, can not flow into extraneous air, and this is because in illustrated embodiment, annular bar is that air is not transparent.Therefore, annular bar 75 has limited extraneous air and has passed flowing of bristle bars 71, and guarantees in cleaning chamber 20, to construct the negative pressure working.Therefore, by annular bar 75, only can realize in bristle bars 71 and regions to be cleaned 25 direct neighbors and construct flow of external air.Thus, can realize effective suction of the face to filling in cleaning fluid.
If clean coarse face with face cleaning head 10, for example the clean garden of paving enters track or the garage paved enters track, and user can be not by special tool(s) in the situation that unclamp the annular bar 75 can elasticity extending with anti-splash device 67 so.For this reason, user must make annular bar 75 only roughly extending in the radial direction, to can take off this annular bar from the retaining ring 69 of rigidity afterwards.Figure 5 illustrates face cleaning head 10, wherein, annular bar 75 removes from anti-splash device 67.Especially in the situation that very uneven ground, it is favourable not using annular bar 75, because bristle bars 71 can be provided with bristle, these bristles have smaller packing density, and therefore gives the flexibility that bristle bars 71 is very high.Therefore, in fact there will not be bristle bars when the face 25 along uneven moves and danger that uneven place, ground is blocked.
Claims (16)
1. one kind is carried out clean face cleaning head for opposite, described cleaning head is with hood-like housing (12), described housing has the downward unlimited cleaning chamber (20) being surrounded by perisporium (18), in described cleaning chamber, at least one cleaning nozzle (39, 40) can rotate rotation axis (32) free rotation ground supporting at spray arm (37, 38) on, in order to cleaning fluid is applied on face to be cleaned (25), wherein, on perisporium (18), be furnished with band around the anti-splash device (67) of bristle bars (71), it is characterized in that, the choked flow element (75) extending on the periphery of bristle bars (71) abuts in bristle bars (71), wherein, the free edge region (73) of bristle bars (71) goes out over choked flow element (75) in the direction epirelief of the face towards to be cleaned (25).
2. according to claim 1 cleaning head, is characterized in that, bristle bars (71) protrudes upward over choked flow element (75) 1mm to 5mm in the side of the face towards to be cleaned (25).
3. according to claim 1 and 2 cleaning head, is characterized in that, choked flow element (75) can be connected in the mode that can unclamp with anti-splash device (67).
4. according to the face cleaning head described in any one in the claims, it is characterized in that, anti-splash device (67) comprises the retaining ring (69) on the free edge that is arranged in perisporium (18), bristle bars (71) remains in described retaining ring, wherein, choked flow element (75) is upwards surrounding retaining ring (69) week, and abuts on the upside that deviates from face to be cleaned (25) (80) of retaining ring (69).
5. according to claim 4 cleaning head, is characterized in that, choked flow element (75) abuts on the downside (82) of retaining ring (69).
6. according to the face cleaning head described in any one in the claims, it is characterized in that, choked flow element (75) can strain.
7. according to the face cleaning head described in any one in the claims, it is characterized in that, choked flow element (75) can elasticity extend.
8. according to the face cleaning head described in any one in the claims, it is characterized in that, choked flow element (75) is abnormal shapeization.
9. according to the face cleaning head described in any one in the claims, it is characterized in that, design of choking flow component is annular bar (75), and described annular bar abuts on the inner side or outside of bristle bars (71).
10. according to claim 9 cleaning head, it is characterized in that, annular bar (75) can elasticity extend and can be tensioned in the retaining ring (69) of rigidity, and can take off from retaining ring (69) when needed, and bristle bars (71) remains in described retaining ring.
11. according to the face cleaning head described in any one in the claims, it is characterized in that, choked flow element (75) is that air is not transparent.
12. 1 kinds for the choked flow element that carries out clean face cleaning head (10) for opposite, wherein, face cleaning head (10) comprises the have perisporium hood-like housing (12) of (18), described perisporium surrounds unlimited cleaning chamber (20) downwards, in described cleaning chamber, at least one cleaning nozzle (39, 40) can rotate rotation axis (32) free rotation ground supporting at spray arm (37, 38) on, for applying cleaning fluid to face (25) to be cleaned, wherein, on perisporium (18), be furnished with band around the anti-splash device (67) of bristle bars (71), it is characterized in that, choked flow element (75) can be connected in the mode that can unclamp with anti-splash device (67), wherein, choked flow element (75) abuts in bristle bars (71) under connection status, and extend on the periphery of bristle bars (71), and wherein, the free edge region (73) of bristle bars (71) goes out over choked flow element (75) in the direction epirelief of the face towards to be cleaned (25).
13. choked flow elements according to claim 12, it is characterized in that, design of choking flow component is the annular bar (75) that energy elasticity extends, and the retaining ring (69) that described annular bar can be tensioned to the rigidity of anti-splash device (67) goes up, and is upwards surrounding bristle bars (71) week.
14. choked flow elements according to claim 13, is characterized in that, annular bar (75) is made by rubber elastic material.
15. according to the choked flow element described in claim 13 or 14, it is characterized in that, annular bar (75) is designed to flexible.
16. according to claim 13 to the choked flow element described in any one in 15, it is characterized in that, annular bar (75) is that air is not transparent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/052846 WO2013123962A1 (en) | 2012-02-20 | 2012-02-20 | Surface cleaning head and flow resistance element for a surface cleaning head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104114292A true CN104114292A (en) | 2014-10-22 |
| CN104114292B CN104114292B (en) | 2017-05-31 |
Family
ID=45722647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280069980.XA Active CN104114292B (en) | 2012-02-20 | 2012-02-20 | Face cleaning head and the flow blocking element for face cleaning systems |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2817104B1 (en) |
| CN (1) | CN104114292B (en) |
| DK (1) | DK2817104T3 (en) |
| WO (1) | WO2013123962A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381785A (en) * | 2017-03-09 | 2019-10-25 | 阿尔弗雷德·卡赫欧洲两合公司 | Window wiping robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202014105382U1 (en) | 2014-11-10 | 2014-11-18 | Vorwerk & Co. Interholding Gmbh | Sealing device for a cleaning device and cleaning device, in particular household floor cleaning device |
| CN104305937B (en) * | 2014-11-11 | 2017-02-15 | 李开成 | Cleaning device under the bed |
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|---|---|---|---|---|
| PL2467214T3 (en) | 2009-08-17 | 2013-09-30 | Kaercher Gmbh & Co Kg Alfred | Surface cleaning head |
| DE102010003079A1 (en) | 2010-03-19 | 2011-09-22 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning head and surface cleaning arrangement |
-
2012
- 2012-02-20 EP EP12705132.4A patent/EP2817104B1/en active Active
- 2012-02-20 CN CN201280069980.XA patent/CN104114292B/en active Active
- 2012-02-20 DK DK12705132.4T patent/DK2817104T3/en active
- 2012-02-20 WO PCT/EP2012/052846 patent/WO2013123962A1/en active Application Filing
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| US3832069A (en) * | 1972-02-02 | 1974-08-27 | Chaska Chem Co Inc | Cleaning apparatus |
| US4290160A (en) * | 1980-01-21 | 1981-09-22 | Daniels Larry K | Rotary brush |
| CN1067695A (en) * | 1991-06-07 | 1993-01-06 | 扎呼伯尔·库尔特 | Sweep drawing device |
| CN2282851Y (en) * | 1995-08-07 | 1998-06-03 | 张宁祥 | Electric cleaner |
| US5711051A (en) * | 1996-04-01 | 1998-01-27 | Professional Chemicals Corporation | Hard surface cleaning appliance |
| US6205607B1 (en) * | 1999-12-01 | 2001-03-27 | Robert W. Tse | Water driven cleaning device with double cleaning action |
| CN1586383A (en) * | 2004-08-03 | 2005-03-02 | 陈宝忠 | Brushing and cleaning device |
| DE102008011506A1 (en) * | 2008-02-22 | 2009-08-27 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning head |
| CN201840424U (en) * | 2010-10-29 | 2011-05-25 | 熊猫通用机械集团有限公司 | Floor washing brush |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381785A (en) * | 2017-03-09 | 2019-10-25 | 阿尔弗雷德·卡赫欧洲两合公司 | Window wiping robot |
| CN110381785B (en) * | 2017-03-09 | 2021-07-27 | 阿尔弗雷德·卡赫欧洲两合公司 | Window cleaning robot |
Also Published As
| Publication number | Publication date |
|---|---|
| DK2817104T3 (en) | 2023-05-30 |
| EP2817104B1 (en) | 2023-04-05 |
| CN104114292B (en) | 2017-05-31 |
| WO2013123962A1 (en) | 2013-08-29 |
| EP2817104A1 (en) | 2014-12-31 |
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