DE19546756C2 - High pressure cleaning device - Google Patents

Description

The invention relates to a high-pressure cleaning device with an over Cleaning surface of guidable or mobile cleaning hood.

High pressure cleaning devices have long been for cleaning any Surfaces, such as floors or surfaces of any Equipment, known. In these known devices, water, the a cleaning agent can also be added under high pressure to the sprayed on cleaning surface. The water mainly dissolves through its mechanical effect the dirt from the surface. A disadvantage of these known high pressure cleaning devices is that during the cleaning process Spray water and dirt heavily into the environment. You still have afterwards a clean but also very wet surface. Especially in the application the known cleaning device in the interior must then this water in a further operation, for example by wiping, be removed again. These cleaning devices have the additional Disadvantage that the surfaces to be cleaned are not near moist safety-sensitive devices may be located, which would otherwise be in strong Any splashes that occur would suffer damage.

DE 38 01 237 C1 and DE-GM 86 08 145 disclose a cleaning device for Cleaning of ceilings and walls, especially of emerging colors lye sludge, which is sprayed with water onto the wall or ceiling Apply and vacuum this again through a hose, the hose funnel-shaped and is arranged such that the water through Gravity is fed into the hose. This well-known cleaning device is however unsuitable for flat surfaces as the water is insufficient from the  Area can be removed again.

Furthermore, DE-GM 90 15 554 discloses a cleaning device for waa fair or inclined surfaces, in which water is sprayed onto the horizontal or inclined surface is applied and either along the inclined surface drained into a gutter (e.g. a roof) or is sucked away by a centrally arranged suction connection. This got te cleaning device, however, has the disadvantage that liquid on the Surface remains, so that the cleaning is only incomplete. This poses in particular This is a serious problem if the cleaning causes damage substances should be removed from the surface to be cleaned, since if liquid remains, with which pollutants remain on the surface, so that none effective removal of pollutants can be achieved.

DE-GM 92 11 401 describes a high-pressure cleaning device for Floor cleaning is intended and also on a commercial High pressure cleaner can be connected.

The object of the invention is therefore to a high-pressure cleaning device admit the liquid remaining on the surface to be cleaned clearly decreased, d. H. leaves an almost dry, cleaned surface.

This object is achieved by a high-pressure cleaning device tion solved according to claim 1. Preferred embodiments of the invention are described in the subclaims.

According to the invention, therefore, a high-pressure cleaning device for connection to a standard high-pressure cleaner or to connect to a han The conventional water suction provided, which comprises: one over one to cleaning surface movable cleaning hood, at least one in the Reini supply hood fixed liquid nozzle, one with a suction device connected suction opening, with which an outlet from the liquid nozzle  Liquid is sucked off, and a limiting or delimiting feed device, which is the drained liquid essentially the suction device feeds.

According to a preferred embodiment, the delimiting feed device device is arranged inside the cleaning hood, the delimiting Feed device preferably essentially in contact with the one to be cleaned Area is.

There is thus an improved supply of the surface to be cleaned applied liquid to the suction port ensures that liquid residues on the surface can be significantly reduced and thus a drier surface can be generated.

The delimiting feed device further preferably comprises a brush and / or a sealing lip, in particular made of plastic or rubber (PVC). Consequently there is still a scraping or scraping effect by the feed device, which further reduces the fluid residue.

The delimiting feed device preferably converges towards the suction opening or runs in their direction, the delimiting feed device preferably has a polygonal or elliptical shape.

This results in an advantageously good supply of liquid and dirt particles and the like to the suction device through the delimiting feeding device guaranteed.

According to a further preferred embodiment, a liquid is under high pressure, preferably in the range from 140 bar to 300 bar, from the liquid omitted.  

Further preferred are at least two liquid nozzles symmetrical to the Suction opening provided, at least three equally spaced, in particular, liquid nozzles arranged in a line are provided.

An advantageously homogeneous liquid application is thus achieved, which ensures a good cleaning of the area and thereby reducing the amount of liquid, especially water and / or cleaning detergents tien, can be reduced, creating economic and environmental benefits be achieved.

The cleaning hood further preferably comprises an intermediate surface which delimits the room upwards, in which the cleaning liquid is inserted leads, the interface preferably the at least one liquid nozzle at least partially. A line is preferably provided, which which at least partially carries at least one liquid nozzle and this one which Supplies liquid.

According to a further preferred embodiment, the liquid comprises nozzle a spray limiting device, which the spray direction of the liquid keitsdüsen limited, the spray limiting device preferably one elongated, in particular essentially cylindrical or conical shape points.

There is thus a limitation and thus a predetermined or predetermined bare application of liquid guaranteed, which in particular a homo allows liquid to be applied, creating a good cleaning effect is achieved while limiting the amount of liquid applied.

The cleaning hood is preferably provided with a sealing device, which is designed so that the cleaning hood on the one hand without obstruction the surface to be cleaned can be moved and, on the other hand, prevented that the sprayed liquid escapes from the cleaning hood, the  Sealing device preferably enables such a tight seal, that a vacuum below the suction of the sprayed liquid the cleaning hood can be formed and maintained, the Sealing device particularly preferably sealing bristles and / or at least least includes a sealing lip, in particular made of plastic or rubber.

The brush or bristle of the delimiting feed is particularly preferred device higher or protruding or projecting than the sealing bristles the sealing device. Thus, a better supply of cleaning Liquid to the suction device is reached because the brush is delimiting Feeder better on the surface to be cleaned, especially because of the Elasticity of the brush is present, which results in an increased "scraping effect" or removal the liquid is obtained from the surface.

A supportive brushing effect is thus still achieved, whereby Dirt particles can be separated more easily from the surface to be cleaned.

Furthermore, the cleaning hood preferably has adjustable rollers, with which they prefer with an adjustable distance across the surface to be cleaned is movable.

According to a preferred embodiment, the cleaning hood has a approximately rectangular shape, which preferably has a working width in the area from 20 to 60 cm, particularly preferably from about 40 cm, the Cleaning hood is preferably made of stainless steel.

The cleaning liquid used preferably has a temperature in Range from 4 to 90 ° C and preferably comprises or consists of a Mixture of water and usual cleaning and / or disinfection chemicals kalien, and in particular from water with a detergent additive of up to 40% by weight.  

According to a further preferred embodiment, the suction device leads device the extracted liquid to a filter or a water suction device, the filters out the dirt in the liquid.

The cleaning hood is preferably via a joint with a for guiding the Cleaning hood serving stem connected, the stem preferably in shape a pipe is executed through which the extracted liquid is discharged being, and taking cleaning liquid under pressure the nozzles over a high pressure hose is supplied, which is preferably attached to the stem. Of the High pressure hose is preferably with a preferably attached to the handle of Manually operated pressure valve connected and preferably has connections, which can be connected to a standard high-pressure cleaner.

Three, four or five liquid nozzles are preferred in the cleaning hood, arranged.

In the cleaning hood, a known one is also particularly preferred Dirt blaster arranged. It will thus improve cleaning of the reini area.

According to a preferred embodiment of the present invention, the at least one liquid nozzle with respect to the normal of those to be cleaned Surface inclined, and preferably such that that from the liquid nozzle escaping liquid jet a directional component to the suction device has.

It is thus achieved that dirt particles, which are caused by the liquid jet be removed from the surface to be cleaned in the direction of the suction direction or the delimiting feeder catapulted or ge to be flung, so that better removal of the dirt particles containing liquid is reached. The same applies to atomized liquid particles located in the room above the surface to be cleaned.  

According to this embodiment, the limiting or delimiting feeder device can feed the liquid with increased efficiency to the suction device, since increased speeds of the liquid particles along the direction of movement (in particular along the direction R in FIG. 3) of the cleaning hood are achieved, as a result of which this bounce off particularly on the walls of the feed device towards the suction device. Accordingly, an improved removal of the liquid is guaranteed.

In the following, the invention is invented using an exemplary embodiment high pressure cleaning device according to the invention with reference to the drawing mentions explained in more detail; show it

Fig. 1 is a perspective view of a preferred embodiment of the high-pressure cleaning device according to the invention,

Fig. 2 is a partially sectioned side view of the pre shown in Fig. 1 direction,

Fig. 3 is a bottom view of the cleaning cover, the high-pressure cleaning apparatus shown in Fig. 1,

Fig. 4 is a bottom view of another cleaning hood of another embodiment of the high pressure cleaning device according to the invention, and

Fig. 5 is a bottom view of another cleaning hood of another embodiment of the high pressure cleaning device according to the invention.

As shown in FIG. 1, includes an embodiment of the high-pressure cleaning device according to the invention a cleaning cover 1, which can be moved on a stem 2 via the surface 3 to be cleaned. The handle 2 is advantageously, as shown in Fig. 1, formed as a tube, connected to a suction opening 13 and also serves as a suction pipe for removing the hood-soaked in the cleaning 1 dirty cleaning liquid. At one end of the suction pipe 2 , a hose 4 is attached, which is connected to a suction device, not shown here, which sucks the dirty liquid on, possibly through a filter with which the dirt can be filtered out of the liquid speed and then finally for disposal. On the stem 2 , as shown here, a high-pressure hose 5 is advantageously also fastened, with which the cleaning liquid is supplied from a commercial high-pressure cleaner, not shown here, to the liquid nozzles 11 located in the cleaning hood 1 . At the top of the handle 2 , a pressure valve 7 , which can be actuated manually, for example by means of a pistol grip 6, is attached in a position that can be conveniently reached by the operator, with which the supply of the cleaning liquid can be switched on and off.

The cleaning hood 1 further comprises rollers 8 with which it can be guided over the surface 3 to be cleaned at a predetermined or predeterminable height. This height can be freely adjusted via height adjustment devices 9 , in particular adjusting screws of the rollers 8 . The rollers 8 can also be pivoted or rotated about a vertical axis, so that the cleaning hood 1 can be easily controlled. At its side facing the surface to be cleaned, the cleaning 3 peripheral hood 1 in particular adjustable, bristles 10, and at least one sealing lip with which the Home Care hood 1 splash proof is completed against the environment. By this conclusion it is also possible to create a vacuum or vacuum by sucking off the dirty liquid below the cleaning hood.

FIG. 2 shows a side view of the cleaning device with a partial section through the cleaning hood 1 . There are liquid nozzles 11 through which the cleaning liquid supplied via high-pressure hose 5 and line 11 'is sprayed onto the surface 3 to be cleaned or applied. This high pressure hose 5 is connected via a sleeve 15 to the cleaning hood 1 . The sleeve 15 can have a straight or curved shape.

Serving as a suction tube stem 2 is movably connected via a hinge 12 to the cleaning hood 1 and thus allows a flexible movement of the cleaning hood 1 over the surface 3rd

A view from below of the cleaning hood 1 is shown in FIG. 3. The Darge presented embodiment of the present invention comprises five adjacent liquid nozzles 11 through which the cleaning liquid is sprayed onto the surface to be cleaned. The liquid nozzles 11 are evenly spaced, preferably aligned and arranged symmetrically with respect to the suction opening 13 .

In further embodiments, not shown, one, two, three or four liquid nozzles 11 are arranged in the cleaning hood 1 . In a further embodiment, not shown, a dirt grinder known per se is arranged in the vicinity of the liquid nozzles 11 and supports the detachment of dirt from the surface 3 to be cleaned.

The suction opening 13 , the stem 2 and the hose 4 have cross-sectional areas which are sufficient to suck off the applied cleaning liquid with sufficient throughput.

In the illustrated embodiment, four rollers are attached to the cleaning hood 1 in order to guide the cleaning hood with little friction and easily from the surface 3 to be cleaned. Other numbers of Laufrol len 8 are also possible depending on the shape of the cleaning hood and the surface to be cleaned. Within the space that is enclosed by the cleaning hood 1 , a delimiting feed device 14 is seen before, which delimits the space delimited by the bristles 10 .

As can be seen in FIG. 3, liquid can be applied from the liquid nozzles 11 at a uniform distance to the surface 3 to be cleaned. By moving the cleaning hood 1 forward (direction of the arrow R in FIG. 3), the liquid applied to the surface 3 to be cleaned, which has at least partially absorbed the dirt from the surface 3 , is guided into the vicinity of the suction opening 13 , specifically supported by the delimiting feed device 14 . The delimiting feed device 14 preferably has a brush and / or sealing lip that is in contact with the surface 3 and / or a sliding sealing device. A vacuum or vacuum is applied via the suction opening 13 , which removes the liquid applied to the surface and / or the liquid particles atomized in the space delimited by the cleaning hood 1 and the delimitation of the feed device. The removal or suction or suction of the liquid is supported by the delimiting or delimiting feed device 14 , since the liquid is supplied to the cleaning hood 1 in the direction of the suction opening 13 during the movement in the direction R thereof. The suction opening 13 is particularly adapted to the shape of the delimiting feed device in order to avoid undesirable liquid build-up or residues. The delimiting feed device 14 is preferably arranged inside the cleaning hood 1 and in particular has brushes and / or a sealing lip. The delimiting feed device 14 expediently has walls or boundary surfaces which are aligned in a tapering manner and preferably converge essentially towards the suction opening 13 .

The liquid nozzles 11 have, in particular, spray limiting devices which limit the spray cone or the spray angle of the liquid emerging from the liquid nozzles 11 . Through the Sprühbegrenzungsein device, in particular the application of the liquid to the surface 3 to be cleaned can be adjusted, in particular optimized, by aligning and adjusting the spray cones, in particular to enable a uniform application or application of the liquid on the surface 3 .

The cleaning hood 1 preferably comprises an intermediate surface 16 which is arranged between the upper cover 17 of the cleaning hood 1 and the surface 3 to be cleaned. The intermediate surface 16 preferably delimits the space into which the cleaning liquid is introduced via the liquid nozzles 11 , whereby in particular an improved application of the liquid is achieved. The intermediate surface 16 can preferably carry the at least one liquid nozzle 11 .

Two adjacent liquid nozzles are preferred by a distance A of about 80 mm to about 150 mm, particularly preferably about 120 mm spaced. The spray limiting device preferably has an elongated one Form on with a lateral dimension or length L of about 70 mm and one Width B of about 20 mm.

The circular suction opening 13 shown in FIG. 3 preferably has an inner diameter of approximately 40 mm.

According to a further embodiment shown in FIG. 4, the delimiting feed device 14 'is arranged adjacent to the edge of the cleaning hood 1 ' and also has a tapered shape. In this embodiment, three rollers 8 are attached to the cleaning hood 1 '. This embodiment allows a particularly compact design of the cleaning hood 1 ', which is therefore suitable for use for smaller or angled areas.

According to the embodiment of the present invention shown in FIG. 5, a delimiting feed device 14 'is arranged within the cleaning hood 1 , which has an elliptical shape, the tapering walls or delimitations of the feed device 14 ' forming a trough. In the entferntesten of the liquid nozzle 11 area of the walls, the suction port 13 ', which is adapted to the shape of the particular gene Wandun and preferably has an elliptical shape is located. It is thus a liquid build-up at the suction opening 13 'avoided, whereby the cleaning efficiency of the high-pressure cleaning device is increased.

According to a further embodiment, not shown, it is also possible to increase the cleaning effect by adding additional inside the cleaning hood Lich rotating brushes are arranged in addition to loosening the Contribute dirt.

Water and / or chemical cleaning agent can preferably be used as the cleaning liquid agent and / or liquid provided with particles, in particular sand and / or a gas mixture and / or a gas / particle mixture can be used.

Overall, the present invention provides a high pressure cleaning device that allows cleaning work also indoors and in problem areas such as factory buildings, dairies, breweries, slaughterhouses, shopping centers, Underground garages, suburban and underground platforms and workshops can be removed quickly and easily lead without the cleaning liquid used splashing around and eventu ell damages liquid-sensitive devices and without it being necessary in a second step, the cleaning liquid from the wet cleaned Remove surfaces again.

Reference list

1 , 1 ′ cleaning hood
2 stem
3 surface to be cleaned
4 hose (for dirty detergent)
5 high pressure hose
6 pistol grip
7 pressure valve
8 castors
9 height adjustment device
10 bristles
11 liquid nozzles
11 ′ line
12 joint
13 , 13 ' suction opening
14 , 14 ' delimiting feed device
15 sleeve
16 interface
17 top cover.

Claims (31)

1. High-pressure cleaning device for connection to a commercially available high-pressure cleaner, which comprises:

• - A, over a surface to be cleaned ( 3 ) movable cleaning hood ( 1 ; 1 '),
• - At least one in the cleaning hood ( 1 ; 1 ') fixed liquid nozzle ( 11 ),
• - A suction opening connected to a suction device ( 13 ; 13 '), with which a liquid from the liquid nozzle ( 11 ) discharged is sucked off, and
• - A delimiting feed device ( 14 ; 14 '), which supplies the liquid let out essentially to the suction opening ( 13 ; 13 ').

2. High-pressure cleaning device according to claim 1, wherein the Saugöff opening ( 13 ; 13 ') and the delimiting feed device ( 14 ; 14 ') are arranged within the cleaning hood ( 1 ; 1 '). 3. High-pressure cleaning device according to one of the preceding claims, wherein the delimiting feed device ( 14 ; 14 ') is in wesentli Chen in contact with the surface to be cleaned ( 3 ). 4. High-pressure cleaning device according to one of the preceding claims, wherein the delimiting feed device ( 14 ; 14 ') comprises a brush and / or a sealing lip, in particular made of plastic. 5. High-pressure cleaning device according to one of the preceding claims, wherein the delimiting feed device ( 14 ; 14 ') to the suction opening ( 13 ; 13 ') converges or tapes. 6. High-pressure cleaning device according to one of the preceding claims, wherein the delimiting feed device ( 14 ; 14 ') has a polygonal or elliptical shape. 7. High-pressure cleaning device according to claim 6, wherein the suction opening ( 13 ; 13 ') of the shape of the feed device ( 14 ; 14 ) is adapted, wherein the suction opening ( 13 ; 13 ') is preferably elliptical, in particular circular. 8. High-pressure cleaning device according to one of the preceding claims, wherein a liquid under high pressure, preferably in the range from 140 bar to 300 bar, is omitted from the liquid nozzles ( 11 ). 9. High-pressure cleaning device according to one of the preceding claims, wherein at least two liquid nozzles ( 11 ) are provided symmetrically to the suction opening ( 13 ; 13 '). 10. High-pressure cleaning device according to one of the preceding claims, wherein at least three evenly spaced, in particular arranged in a line liquid nozzles ( 11 ) are provided. 11. High-pressure cleaning device according to one of the preceding claims, wherein the cleaning hood ( 1 ) comprises an intermediate surface ( 16 ) which delimits the space upwards into which the cleaning liquid is introduced, the intermediate surface ( 16 ) preferably the at least one liquid nozzle ( 11 ) at least partially. 12. High-pressure cleaning device according to one of the preceding claims, wherein a line ( 11 ') is provided which at least partially carries the at least one liquid nozzle ( 11 ) and which supplies the liquid speed. 13. High-pressure cleaning device according to one of the preceding claims, wherein the liquid nozzle ( 11 ) comprises a Sprühbegrenzungseinrich device that limits the spray direction of the liquid nozzles. 14. High pressure cleaning device according to claim 13, wherein the spraying boundary device an elongated, in particular essentially cylin has a tapered or conical shape. 15. High-pressure cleaning device according to one of the preceding claims, wherein the cleaning hood ( 1 ; 1 ') is provided with a Abdichtungvor direction ( 10 ) which is designed such that the cleaning hood ( 1 ) on the one hand without hindrance over the surface to be cleaned ( 3rd ) can be moved, and on the other hand it is prevented that the sprayed liquid escapes from the cleaning hood ( 1 ). 16. High-pressure cleaning device according to claim 15, wherein the sealing device ( 10 ) enables a seal so tight that a vacuum under the cleaning hood ( 1 ) can be formed and maintained by suction of the sprayed liquid. 17. High-pressure cleaning device according to claim 15 or 16, wherein the sealing device comprises sealing bristles ( 10 ) and / or at least one sealing lip. 18. High-pressure cleaning device according to claims 4 and 17, wherein the brush of the delimiting feed device ( 14 ; 14 ') is more projecting than the sealing bristles ( 10 ) of the sealing device. 19. High-pressure cleaning device according to one of the preceding claims, wherein the cleaning hood ( 1 ; 1 ) preferably has adjustable rollers ( 8 ) with which it can preferably be moved at an adjustable distance over the surface to be cleaned ( 3 ). 20. High-pressure cleaning device according to one of the preceding claims, wherein the cleaning hood ( 1 ) has an approximately rectangular shape, which preferably has a working width in the range from 20 to 60 cm, particularly preferably of about 40 cm. 21. High-pressure cleaning device according to one of the preceding claims, wherein the cleaning hood ( 1 ) is made of stainless steel. 22. High-pressure cleaning device according to one of the preceding An say, the cleaning liquid used a temperature in Has a range of 4 to 90 ° C. 23. High pressure cleaning device according to one of the preceding An sayings, the cleaning liquid used from a mixture of water and common cleaning and / or disinfecting chemicals, and especially from water with a detergent additive of up to 40 % By weight. 24. High-pressure cleaning device according to one of the preceding claims, wherein the suction device ( 13 ; 13 ') supplies the extracted liquid speed to a filter that filters out the dirt in the liquid. 25. High-pressure cleaning device according to one of the preceding claims, wherein the cleaning hood ( 1 ; 1 ') via a joint ( 12 ) with a for guiding the cleaning hood ( 1 ; 1 ') serving stem ( 2 ) is connected. 26. High-pressure cleaning device according to claim 25, wherein the stem ( 2 ) is designed in the form of a tube through which the extracted liquid is discharged. 27. High-pressure cleaning device according to claim 25 or 26, wherein cleaning liquid is supplied under pressure to the nozzles ( 11 ) via a high-pressure hose ( 5 ), which is preferably attached to the stem ( 2 ). 28. High-pressure cleaning device according to claim 27, wherein the high pressure hose ( 5 ) with a preferably on the stem ( 2 ) attached to the manually operable pressure valve ( 7 ) is connected. 29. High-pressure cleaning device according to claim 27 or 28, wherein the high-pressure hose ( 5 ) has connections which can be connected to a commercially available high-pressure cleaner. 30. Surface high-pressure cleaning device according to one of the preceding claims, wherein in the cleaning hood ( 1 ; 1 ') a known dirt grinder is additionally arranged. 31. Surface high-pressure cleaning device according to one of the preceding claims, wherein the at least one liquid nozzle ( 11 ) is inclined with respect to the normal of the surface to be cleaned ( 3 ), preferably in such a way that the liquid jet emerging from the liquid nozzle is a directional component to the suction opening ( 13 ; 13 ') has.