EP1614377B1 - Portable cleaning device - Google Patents

Abstract

Transportable device comprises rotating roller brushes (1) driven by a dirt carrier medium under high pressure. Preferred Features: The roller brushes can be adjusted corresponding to the distance of lamella parts (15). The dirt carrier medium is added via a mixing valve. The bristles (1a) of the roller brushes uniformly overlap in the center of the individual lamella parts.

Description

Transportable cleaning device for angeordente in or on buildings sunshades, consisting of mutually spaced apart lamellar members, with rotating roller brushes whose moving brushes touch the surfaces to be cleaned of the lamellae, wherein two or more, horizontally mounted and vertically stacked roller brushes are provided between the the individual, open lamellar members can be inserted and moved horizontally.

It is known to wipe the individual slats members or to spray off by means of a steam jet device for cleaning of sunshade systems installed in the building. This cleaning process is very time consuming and very expensive.

The German patent application DE 100 49 325 A1 shows a stationary cleaning system for complete sun protection systems, which must be unscrewed for their cleaning before their Ortbefestigung and reassembled after cleaning. This system is not suitable for cleaning fixed sunshades.

The two German publications 2 634 556 and 2 634 820 reveal a portable cleaning device for fin systems. Basically, two opposite and intermeshing roller brushes are provided, which are pushed over a slat to be cleaned. The roller brushes are driven by an electric motor. If, as an alternative, several roller brushes are to be used, this leads to expensive drive devices for the individual roller brushes with a considerable increase in the weight of the cleaning system.

Also the American patent 3,892,004 discloses a transportable cleaning device for lamellae, wherein the profiled sponge rollers used for cleaning are also electrically driven.

The waves carrying the sponge rollers have bores for supplying the cleaning agent. The accumulated on the surface of the slats dirt is very strong and can be removed with sponge rollers barely or only badly. With the use of several sponge rollers, this is associated with an increase in weight and cumbersome operation of the cleaning system.

In the American patent specification 3,621,505 is an apparatus for treating longer round, rectangular or other shaped parts which pass through two brushes and are transported by friction pressure. This system is not suitable for cleaning fixed sun protection systems.

From the DE 298 155 74 A1 a cleaning device is known which consists of a shaft and holder. The cleaning device is supplied with water or cleaning fluid. The liquid medium is supplied via a hose which is screwed onto a front end of the device, the device. The illustrated embodiment of the cleaning device is mounted on a window pane with suction cups and is supplied via a high-pressure cleaner with water. An impeller converts the flow energy of the water or the cleaning liquid into a rotational movement of the shaft. The cleaning liquid flows through the housing of the device and drives the impeller, which is rotatably connected to the shaft, while the cleaning liquid is passed into the shaft and wets the cleaning brushes on the shaft with cleaning liquid.

From the CH603 111 a device is known which consists of several fixed, parallel stems.

The object of the invention is to provide a portable cleaning device that allows a cost-effective and trouble-free cleaning of sun protection systems.

This object is achieved according to the invention in that the roller brushes are equipped with spray nozzle openings to which a high-pressure contaminant carrier medium can be fed, wherein the spray nozzle openings are arranged in the shafts of the roller brushes and drive them, wherein the roller brushes are arranged concurrently.

The inventive drive of the roller brushes allows a much lower weight of the cleaning system, which is also used for cleaning the textile elevator and conductor strips. The entire surfaces and components of the installed sun protection systems are optimally cleaned. The synchronization of the roller brushes creates a counter-rotation on the lamellar members, as a result of which the lamellar members are not displaced.

Advantageously, the individual roller brushes are adjustable according to the distance of the open lamellar members. Conveniently, the contaminant carrier medium can be metered via a mixing valve.

According to the invention, the cleaning effect is improved when the bristles of the roller brushes overlap in the middle of the individual fin members. If the bristles of the roller brushes consist of short and longer parts, then it is achieved that a spraying of the dirt carrier medium in the transport direction is reduced.

If the bristles are arranged spirally on the shafts or axes of the roller brushes, then even spraying in the transport direction is avoided. Appropriately, the roller brushes with their bristles have different diameters corresponding to the opening widths of the lamellar members and are interchangeable as a structural unit. The vertically arranged roller brushes can be arranged offset to one another.

For heavily soiled sun protection systems, it makes sense to provide several vertically arranged rows of roller brushes or to repeat the cleaning process one or more times. If roller brush rows are provided, then the cleaning device according to the invention can be arranged for transport along the slat members on a rollable frame.

If the roller brushes are driven by means of high-pressure dirt carrier medium, then it is expedient to drill the spray nozzle openings obliquely, whereby the rotational movement of the roller brushes is favored.

Appropriately, the soil carrier medium is collected in a drip pan, then filtered and returned to the roller brushes and / or the sun protection systems. If the soil carrier medium or the detergent solution is biodegradable, then it can be introduced directly into a drainage channel.

• Fig. 1 zeigt eine Seitenansicht eines Ausführungsbeispiels der Erfindung.
• Fig. 2 zeigt eine Draufsicht der erfindungsgemäßen Walzenbürsten im eingefahrenen Zustand in den Lamellenbehang.
• Fig. 3 zeigt eine schematische Darstellung der Walzenbürsten in eingefahrenem Zustand.
• Fig. 4 zeigt eine Einzelansicht einer Walzenbürstenausführung
• Fig. 5 zeigt ein Ausführungsbeispiel der Borsten
• Fig. 6 stellt spiralförmig vorgesehene Borsten dar.

In the following the invention is illustrated by means of an embodiment and with reference to the accompanying drawings.

• Fig. 1 shows a side view of an embodiment of the invention.
• Fig. 2 shows a plan view of the roller brush according to the invention in the retracted state in the Lamellenbehang.
• Fig. 3 shows a schematic representation of the roller brushes in the retracted state.
• Fig. 4 shows a single view of a roller brush design
• Fig. 5 shows an embodiment of the bristles
• Fig. 6 represents spirally provided bristles.

In Fig. 1 an embodiment of the device of the invention is shown. The portable cleaning device shows six vertically arranged roller brushes 1 with bristles 1 a and 2 spray nozzles for the soil carrier medium and the detergent solution.

The roller brushes 1 are installed in a drive unit 3 and the bearing 4 and each have a shaft 1 b. With the handle 5, the roller brush assembly can be inserted into the open lamellar members 15 in the direction of the arrow.

The individual roller brushes 1 with their bristles have different diameters corresponding to the opening widths of the lamellar members 15. It is therefore useful to provide the roller brushes 1 with their drive unit 3, storage 4 and handle 5 depending on the diameter as a replaceable unit 25.

For commissioning the device according to the invention, a base unit 6 is provided, which is connected to a power source or rechargeable battery unit. It includes a motor connection 7, a pump 8 and a metering pump 9. The motor 7a is mounted in the lower end of the drive unit 3 and provides for the rotational drive of the roller brush according to the arrow indicator. The base unit 6 also includes a water tank 11 and a detergent solution tank 12. The motor 7a is connected to the motor port 7 via a cable, and the spray nozzles 2 are connected to the metering pump 9 via supply conduits. In the lower end of the drive unit 3 is located also a mixing valve 13 for the pollutant medium. By operating the control switch 10, the device is put into operation.

If the electromotive drive is replaced by a high-pressure pump P, then it eliminates motor 7a, the drive unit 3 and the spray nozzles 2. The high-pressure dirt carrier medium is guided via lines and the mixing valve 13 directly to the shafts 1 b of the roller brush 1 and causes a rotation the roller brushes, wherein the soil carrier medium can escape via the spray nozzle openings 24. The obliquely arranged the spray nozzle openings, we favors the rotational movement of the roller brush 1. The high pressure of the soil carrier medium causes a movement of the roller brush 1. The assembly 25 is replaced in this embodiment, a lighter weight and is easier to handle.

Sun protection systems are also-if necessary, even behind - a window 20 with window frame 19 and 19 fixedly attached to a bracket 18. They sun protection systems have a head profile 16 and a lower rail 17. The slat members 15 are in Fig. 1 shown in side view. They are replaced by lift and conductor strips 15a ( Fig. 2 ) held together adjustable.

The soil carrier medium used for cleaning the sun protection systems can be collected via the window sill 21 on the masonry 22 in a collecting trough and treated via a pipeline to the filter unit in the base station 6 for reuse. However, it can also be directed into a drainage channel 14a.

Due to the rotation of the roller brushes 1, a splash of the contaminant carrier medium takes place in the transport direction. This spraying can be reduced if the bristles 1a have different designs, eg short, stable and longer movable bristles ( Fig. 5 ). If the bristles 1a of the roller brushes 1 are provided spirally on the shafts 1b, there is virtually no more splashing of the dirt-carrying medium in the transport direction. Lamellar members with flanged longitudinal edges can be cleaned particularly well here.

If the sun protection systems to be cleaned are very heavily soiled, then the cleaning process can be successfully completed by a correspondingly slow process or at certain intervals for a longer period of time at one point. The roller brushes are always the same length for a uniform pressure on the cleaning surface.

The device according to the invention can also be modular. There are modules in sizes from 2 to 8 by hand to moving and rotating roller brushes possible. Multiple amounts of rotating roller brushes for whole sunshade heights on a drive unit can be moved if necessary with a rollable frame.

Fig. 2 shows a plan view of the individual blade members 15 with retracted roller brushes 1. The roller brush 1 carrying the drive unit 3 can be moved in both directions of the arrow. A side view of a retracted device according to the invention is in Fig. 3 shown.

An embodiment of a single roller brush 1 shows Fig. 4 , In the example, the already mentioned spray nozzle openings 24 can be seen in the shaft 1b of a roller brush 1. In addition, a protective device 23 is visible, which is attached to the drive unit 3 and avoids side splashes.

As already mentioned, the device according to the invention is also to be used for interior blinds and facade shading elements made of metal or glass.

LIST OF REFERENCE NUMBERS

1

roller brushes

1 a

bristles

1 b

wave

2

spray nozzles

3

drive unit

4

storage

5

handle

6

base station

7

motor connection

7a

engine

8th

pump

9

metering

10

operation switch

11

water tank

12

Detergent solution tank

13

mixing valve

14

drip tray

15

slat members

16

head profile

17

bottom rail

18

bracket

19.19

window frame

20

windowpane

21

windowsill

22

masonry

23

guard

24

orifices

25

unit

Claims (12)

1. Transportable cleaning device for the manual cleaning of sunshade systems installed in buildings or external venetian blinds having slat members (15) arranged at intervals, comprising rotating revolving brushes (1) whose movable brushes (19) touch the surfaces of the slat members (15) to be cleaned, wherein two or several revolving brushes (1) mounted horizontally and arranged vertically one upon the other are provided which can be inserted between the individual opened slat members (15) and be moved horizontally,
   characterized in that
   the revolving brushes (1) are equipped with spray nozzle openings (24) to which a pressurised soil carrier medium can be supplied, the spray nozzle openings (24) being arranged in the shafts (1b) of the revolving brushes (1) and driving the same, the revolving brushes being arranged to rotate in the same direction.
2. Device according to claim 1,
   characterized in that
   the revolving brushes (1) can be adjusted corresponding to the distance of the slat members (15).
3. Device according to claim 1 or 2,
   characterized in that
   the soil carrier medium can be dosed via a mixing valve (23).
4. Device according to one of claims 1 to 3,
   characterized in that
   the bristles (1a) of the revolving brushes (1) uniformly overlap in the centre of the individual slat members (15).
5. Device according to one of claims 1 to 4,
   characterized in that
   the revolving brushes (1) have short stable and longer movable bristles (1a).
6. Device according to one of claims 1 to 5,
   characterized in that
   the bristles (1 a) of the revolving brushes (1) are provided spirally on the shaft (1b).
7. Device according to one of claims 1 to 6,
   characterized in that
   the revolving brushes (1) with their bristles (1a) have different diameters corresponding to the opening widths of the slat members (15) and can be exchanged as a unit (25).
8. Device according to one of claims 1 to 7,
   characterized in that
   the vertically arranged revolving brushes (1) are multiply provided and form rows of revolving brushes.
9. Device according to claim 8,
   characterized in that
   the vertically arranged rows of revolving brushes are arranged offset with respect to each other.
10. device according to claim 8,
    characterized in that
    in several rows of revolving brushes, a rollable frame is provided for transport.
11. Device according to one of claims 1 to 10,
    characterized in that
    the soil carrier medium is collected in a collection bin, filtered and returned to the revolving brushes (1) and/or the sunshade systems via a valve.
12. Device according to one of claims 1 to 10,
    characterized in that
    the soil carrier medium or the detergent solution is guided into a drain channel after cleaning.

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