DE2831205A1 - Toilet brush with built-in cleaning fluid supply - has sealing system preventing undue leakage between brush head and reservoir coupling - Google Patents

Abstract

The handle end (6) of the brush has a sealing ring (10) which is coaxial with the axis of rotation (19) of the coupling (11) and handle and which engages in a sealing groove (13) which runs round the flow path (14) of the coupling (11). The sealing ring (10) and the sealing groove (13) span sealing faces (15 16) at the handle end (6) which are radial relative to the axis of rotation (19) and plano-parallel to each other. The sealing faces (15, 16) can be raised from each other by an amt. less than the axial length of the sealing ring (10) through relative rotation. Since the sealing ring still engages in the sealing groove of the coupling in the Open position, the cleaning agent cannot leak out between the coupling and brush head. Even in the closed position, the sealing faces firmly adjoin each other to prevent leakage.

Description

Düsseldorf, July 12, 1978 HENKELKGaA

Henkelstrasse 67 ZR-FE / Patents

Boron / C

Patent application D 5771

"Toilet brush"

The invention relates to a toilet brush with a line leading through the brush handle to the brush body for a liquid cleaning agent and a coupling attached to the end of the handle to connect a das Cleaning agent dispensing hollow body to the line, in which the flow path from the hollow body to the line can be locked by turning the coupling and handle relative to each other.

In principle, the invention concerns a toilet brush with connected detergent container, from which liquid detergent through the brush handle can be pressed to the brush body. For picking up and as a reserve for the liquid detergent usually a squeezable hollow body (squeeze bottle) provided. By compressing the hollow body can then from this through holes or Slots in the coupling and through a longitudinal hole in the brush handle cleaning agent brought to the brush body and from there through one or more openings

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genes can be injected into the toilet bowl.

In order to avoid unintentional leakage of the cleaning agent, the between the brush handle and the hollow body provided coupling formed lockable. To close the flow path from the hollow body to In the case of a toilet brush of this type, the brush handle or brush body is around relative to the coupling an axis common to these components can be rotated. It is closed and opened by turning the Brush part from an "OPEN" to an "CLOSED" position or vice versa in the working position of the booms.

The invention is based on the object of providing between the coupling and the brush handle or in the coupling Closure of the flow path leading from the hollow body which can be filled with the cleaning agent to the brush body to be trained so that on the one hand a leak of cleaning agent between the "OPEN" position Coupling and brush handle can practically not appear and on the other hand in the "CLOSED" position another After-running of cleaning agent from the outlet openings of the brush body is avoided and further when the hollow body ex-s is removed from the coupling, there is a return detergent is prevented by the coupling.

For a toilet brush of the type mentioned, the inventive solution to this problem is that the end of the stem with a sealing ring coaxial with the axis of rotation of the coupling and stem in a flow path the coupling surrounding sealing groove engages that the sealing ring and the. Sealing groove with respect to the axis of rotation

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radial and plane-parallel sealing surfaces at the end of the handle as well as coupling with due to the relative turning Spanning flow openings that cannot be brought into congruence and that the sealing surfaces by the relative rotation - with an otherwise captive bond between Coupling and handle - can be lifted from one another by an amount less than the axial length of the sealing ring.

Since the sealing ring still engages in the sealing groove of the coupling in the "OPEN" position, the invention initially ensures that cleaning agent between the coupling and brush body cannot leak or leak appreciably between the coupling and the brush body in any rotational position of these two components. Furthermore, since the plane-parallel sealing surfaces encompassed by the sealing ring or sealing groove lie tightly against one another in the "CLOSED" position, the cleaning agent line provided in the brush can neither escape from the outlet bores in the brush body nor from the coupling - even when the hollow body is uncoupled. A major advantage of the brush according to the invention with attached detergent container is that the coupling - although rotatable relative to the brush handle - is captively connected to the brush body ¹ , for example by a thread and a locking cam or a plug connection. According to the invention, the brush handle can therefore preferably only be pivoted back and forth between two stops on part of the circumference about the axis of rotation relative to the coupling.

While the flat sealing surfaces opposite one another at the end of the brush handle and on the coupling in the

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"CLOSED" position are tight against each other, these surfaces when opening the flow path by rotating the brush handle relative to the coupling by an amount from each other pushed off, which is smaller than the axial length of the sealing ring. By doing this between the sealing surfaces The resulting radial gap allows the cleaning agent to flow out of the bores or slots of the coupling the cleaning agent line provided in the brush handle flow or be pressed. Preferably abuts to limit the mutual axial displacement of the coupling and the brush handle, when the two components are rotated relative to each other, a locking cam in the "OPEN" position against a stop.

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Further details of the invention are explained on the basis of the schematic representation of an exemplary embodiment.
Show it:

1 shows the general view of the brush (partially in section);

Fig. 2 is a longitudinal sectional view of the coupling part; and

3 shows the cross section of the stop dex "locking cam.

In Fig. 1, a brush according to the invention with brush handle 1 and brush body 2 and bristles 3 has been shown schematically. A line h for the cleaning agent runs through the brush handle 1. The line h ends in outlet openings 5 in the brush body 2 or within the bristles 3

The line h begins according to FIGS. 1 and 2 in the end part 6 of the brush handle 1. In the exemplary embodiment, this end part 6 has an external thread 7, locking cams 8 and a circumferential one

Sealing ring 10 on. ·

On the external thread 7 - this can also be about Act as a plug connection - a coupling 11 with a female thread 12 is attached. In the clutch 11 are one with the sealing ring 10 corresponding Sealing groove I3 and at least one through hole 14 (see. Also Fig. 3) is provided. The one on the end part 6 of the brush handle 1 and the coupling

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11 opposite, of the sealing ring 10 or the End faces spanned around the sealing groove 13 are designed as plane-parallel sealing faces 15 and 16, respectively.

In the back of the coupling is, for example with a thread 17, the neck 18 of a cleaning agent receiving hollow body used.

By rotating the brush handle 1 relative to the coupling 11 about the common axis of rotation 19 of these components runs the upper edge 20 of the coupling 11 facing the brush handle 1 from the end part 6 of the brush handle 1. Through this are those that are close to one another in the "CLOSED" position Sealing surfaces 15 and 16 lifted from one another, so that in the now open position of the clutch 11 cleaning agent flow from the neck 18 through the bores 14 of the coupling into the cleaning agent line 4 of the brush handle or can be pressed.

With the relative rotation of brush handle 1 and coupling 11 an over-turning and thus possibly an unintentional loosening of the two components are to be avoided in the end area of the swivel position applicable to the "OPEN" position at the Relative rotation according to FIG. 3 stop 21 is provided. The locking cam 8 strikes against in the "OPEN" position the stop 21.

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Claims (5)

Henkel KGaA ZR-FE / patents "Toile brushed" Claims 1-. Toilet brush with a line leading through the brush handle to the brush body for a liquid cleaning agent and a coupling placed on the end of the handle for coupling a hollow body dispensing the cleaning agent to the line, in which the flow path from the hollow body to the line can be closed by relative rotation of the coupling and the handle characterized in that the stem end (6) engages with a sealing ring (io) coaxial to the axis of rotation ("19) of the coupling (11) and stem (i) in a sealing groove (13) surrounding the flow path (i4) of the coupling (ii) that the sealing ring (10-) ″ and the sealing groove (13) with respect to the axis of rotation (19) radial and plane-parallel sealing surfaces (15 »16) on the stem end (6) and coupling (ii) do not coincide with the relative rotation bringable flow openings (k, lh) span and that the sealing surfaces (1 5 j 16) by the relative rotation - with the rest of the captive connection between coupling (11) and stem (1) - by a n amount smaller than the axial length of the sealing ring (10) can be lifted from one another. 2. Brush according to claim 1, characterized in that the coupling (11.) with the help of a thread (?, 12) and a locking cam (8) or a plug connection is connected to the brush handle (i). 909884/04 9 7 ORIGINAL INSPECTED D 5771 * Henkel KGaA ZR-FE / patents 3. Brush according to claim 1 or 2, characterized in that the coupling (11) has several on its sealing surface (16) has opening feedthroughs (14), in particular slots or bores. 4. Brush according to one or more of claims 1 to 3, characterized in that to limit the mutual axial displacement of the coupling (11) and brush handle (1) when the two components are turned relative to each other, a locking cam (8) in the "OPEN" position abuts against a stop (21). 5. Brush according to one or more of claims 1 to 4, characterized in that the flow path (4, 14) through coupling (11) and brush handle (10) is designed for pressing through the cleaning agent and that the cleaning agent by pressing together of the hollow body can be pressed through the line (4) leading to the brush body (2). 909884/0497