DE10049645C1 - Discharge fitting for WC cistern; has valve with valve body that has lower and upper float bodies arranged in float casing, where lower float body is held by magnetic force during partial flush - Google Patents

Abstract

The fitting (1) has a valve (4) with a valve body (5) that has lower (9) and upper (10) float bodies arranged in a float casing (8) inside a cistern (2). The valve body is supported only by the lower float body during the partial flush and by both float bodies during a total flush. During the partial flush, the lower float body is held fixed in the float casing by the force of a magnetic counter bearing (14). A carrier is provided at the valve body, which is raised by a larger stroke of the valve body to lift the lower float body for the total flush against the force of the magnetic counter bearing.

Description

The invention relates to a drain fitting for a toilet flush box, with one that can be lifted for partial or full flushing Valve body of a drain valve, with one in a swim lower housing arranged inside the cistern Float, which during the partial rinse on an up is prevented, and with an upper buoyancy body, the valve body during the full flush on at least that lower buoyancy body and in the partial rinse only on the upper buoyancy body is supported and the lower Buoyancy during the partial flushing in particular  magnetic holding force held stationary in the float housing is.

Such a toilet cistern is, for example, by DE 197 30 271 C1 has become known.

With the toilet cistern known from DE 197 30 271 C1 can either be a full rinse or a partial rinse be solved. To trigger a rinse, an is used as an over designed tube body raised, thereby a Bottom valve in the cistern is opened. During the partial rinse is a lower float prevented from buoyancy and the valve body is supported only on an upper float, so that corresponding to that due to the sinking water spike gels in the cistern reduce the buoyancy of the upper swim mers the valve body also sinks down and finally the bottom valve closes. Only part of it can drain off the amount of water in the cistern. Hinge In the case of full rinsing, there is also a floating bottom ren float possible so that after lifting the valve body pers this during full flushing due to the buoyancy of the lower buoyancy body remains raised and the water can flow out through the bottom valve. If the lower one Float after emptying its float housing the valve body is also corresponding descending and the bottom valve closed. There are two for triggering the partial and full flush independent actuating mechanisms for lifting the lower or upper float provided, one first actuating device for partial flushing on the valve attacks body and a second actuator for full flushing via a driver basket on the lower swim always attacks.

In contrast, the present invention has the object based on a drain fitting of the type mentioned to simplify the operation.

This object is achieved in that on Valve body a driver is provided, which at a larger stroke of the valve body than that of the partial flush required the lower float from its magne counter bearing against the effect of magnetic force for the Full flush takes off.

The advantage achieved by the invention is that only to activate the full and partial rinses Valve body is raised and the full or partial rinse is triggered. Besides, there is only one only actuator acting on the valve body required. Since fewer items are needed, ver the assembly of the sequence according to the invention is simplified fitting also.

There is preferably at least one on the lower buoyancy body Projection provided down through the bottom of the Float housing protrudes towards the driver. For example, the driver can take one for you device of the drain valve provided contact surface his.

In preferred embodiments of the invention, the Ven tilkörper hanging on a swiveling operating lever kept, the full flush a larger swivel angle of the actuating lever is assigned as the partial flush.  

Preferably, two Be can be triggered independently operating mechanisms for full and partial rinsing seen their respective attack lever with the actuation lever are non-rotatably coupled. The attack levers can be arranged side by side in parallel.

It is advantageous if each actuation mechanism has at least one at least one lever arm and at least one articulated ver tied connecting strut, which is articulated with the Attack lever is connected. This arrangement allows a deflection of a horizontal actuation of the lever arms using a button on the front of the cistern and egg ne deflection of a vertical actuation by means of an above button attached to the cistern in an upward movement of the operating lever with the same operating device realize. Here is the effort and the through the button traveled or deflection for an actuation approximately the same from the front and from above.

It is particularly advantageous if the lever arms at ge drain valve closed at an angle of approximately 45 ° downwards are directed. Then the lever arms can either be in hori zontal pressure direction via a front inspection opening in the Cistern operated or in the vertical pressure direction via an inspection opening located at the top of the cistern be operated. This enables the same leverage ratio either choose the arrangement of the pushbuttons the front or top of the cistern.

The actuating lever and the lever arms are preferred two actuating mechanisms each on a bearing block rotatably supported, each actuating mechanism through an operative connection via a push rod  Key can be operated from the outside. The bearing block with the two Actuating mechanisms represents a unit that acts as a Part can be removed from the cistern. Should the Mechanics of the actuation mechanisms can be defective a simple exchange takes place.

Each actuating mechanism preferably has one for Pivot axis of the actuating lever radially spaced sleeve to accommodate the push rod. To the push rods hori The sleeves are able to align zonally or vertically rotatable parallel to the pivot axis of the actuating lever stores, the point of attack for the user directed force remains unchanged. The push rods can e.g. B. in different positions in the sleeves be clipped. This allows the same components, i. H. Inspection plate, push rods and actuation mechanisms for cisterns of different depths and heights can be used.

Further advantages of the invention result from the Be writing and drawing. Likewise, the above mentioned and the further elaborated features invented in accordance with the invention individually for themselves or for several in be arbitrary combinations are used. The shown and The embodiments described are not intended to be final Understand enumeration, but rather have exemplary th character for the description of the invention.

The invention is shown in a highly schematic manner in the drawing asked and he is based on exemplary embodiments purifies. It shows:  

Figure 1 is a schematic side view of a partially cut drain valve according to the invention, which is installed in a toilet cistern, with ge closed drain valve.

Fig. 2 shows the drain fitting of Fig. 11 with the drain valve open for full flushing; and

Fig. 3, the drain valve of Figure 1 with a Teilspü lung open drain valve. and

Fig. 4 is an actuator for triggering the running set from the partial or full flush.

The drain fitting designated in FIG. 1 with 1 is installed in a toilet cistern 2 and has a drain valve 4 closing or releasing the drain opening 3 of the cistern 2 . The valve body 5 of the drain valve 4 forms a vertically aligned overflow pipe, at the lower end of which there is a sealing washer 7 to be cooperated with a valve seat 6 of the cistern 2 . Due to the water pressure acting on the sealing washer 7 , the drain valve 4 remains closed.

The valve body 5 extends through an upwardly open cup-shaped float housing 8 , which is fixed in place in the cistern 2 in a manner not shown in detail (e.g. via a bayonet connection on the cistern floor). A lower buoyancy body 9 and an upper buoyancy body 10 are provided around the valve body 5 . The lower buoyancy body 9 is located within the float housing 8 , while the upper buoyancy body 10 only partially protrudes into the float housing 8 . In other embodiments, the upper buoyancy body 10 can also be found above the float housing 8 . The valve body 5 is supported by means of a hold-down 11 continuously on the upper buoyancy body 10 , while it rests on the lower buoyancy body 9 with the aid of a contact disk 12 only when the drain valve is closed ( FIG. 1) and during full flushing ( FIG. 2). For this purpose, the lower buoyancy body 9 is displaceably guided on the valve body 5 between its stationary lower position and its upper position supporting the valve body 5 .

In the closed starting position shown in FIG. 1 on the drain fitting 1 , the lower buoyancy body 9 is held stationary by magnetic force in the float housing 8 . For this purpose, act on the bottom 13 of the float housing 8 arranged parts 14 and below on the lower buoyancy body 9 to arranged parts 15 magnetically together. The magnetic holding force of parts 14 and 15 is greater than the sum of the buoyancy forces of the two buoyancy bodies 9 , 10 . Two projections 16 are provided on the underside of the lower float 9, which provided through openings in the bottom 13 of the float housing 8 in the direction of a slice processing for the log 7 abutment surface 17 of the projecting Ventilskör pers. 5

In the full flush ( Fig. 2), the valve body 5 is raised on egg ner tab 18 by means of a suitable actuating device until it rests with its contact surface 17 on the underside of the float housing 8 . During this lifting movement, the contact surface 17 takes the projections 16 and thus the lower buoyancy body 9 upwards, as a result of which the lower buoyancy body 9 is lifted from its magnetic counter bearing 14 against the action of the magnetic force. After a loosened magnetic connection, the lower buoyancy body 9 drives up to abut against the contact disk 12 and, due to its buoyancy in the water of the float housing 8, holds the valve body 5 resting on the contact disk 12 raised. The water present in the cistern 2 can flow out through the outflow opening 3 . At the latest when the box (eg. B. 9 liters) 2 water present in the flushing is completely flowed out from the cistern 2, also the water which is still in the float housing 8 via Entlastungsöff flows voltages 19 from the float chamber 8, so that the water level in Float housing 8 begins to sink. Sen so that the lower buoyancy body 9 and the thereon supported abge valve body 5 until completely lowered tilkörper Ven 5, the flow valve 4 closes ken. At the latest now, the magnetic holding force acts, and the lower buoyancy body 9 is magnetically connected to the float housing 8 again.

In order to actuate the partial flushing ( Fig. 3), the valve body 5 on the tab 18 is raised by the actuating device only so far that the projections 16 are not carried upwards. The drain valve 4 is open and the water level 20 in the cistern 2 begins to decrease. Since the magnetic holding force of the parts 14 and 15 is greater than the buoyancy force of the lower buoyancy body 9 , the water is still held stationary in the lower position of the float housing 8 and is therefore deactivated. That is, the lower buoyancy body 9 is prevented from buoyancy and does not support the raised valve body 5 , which is now held only by the buoyancy of the obe ren buoyancy body 10 in its raised, the drain valve 4 opening position. Reaches the sinking water level 20 in the cistern 2, the upper buoyancy body 10 , this floats on the water and lowers with the further decreasing water level. Correspondingly, the valve body 5 supported on the holding-down device 11 on the upper drive body 10 lowers until it closes the drain valve 4 . The water level then still prevailing in the float housing 8 is designated by 20 'in FIG. 3 and defines the amount of water that has flowed out for the partial rinse.

The actuating device 21 shown in Fig. 4 comprises egg NEN bearing block 22 which can be fastened to the inside of the rear wall of the cistern. On the pedestal 22 , a first actuating mechanism 23 for triggering the full flush and a second actuating mechanism 24 for triggering the partial flush are provided in parallel. At the lower end, the bearing block 22 has two receptacles 25 , 26 in which a pivot axis 27 is mounted. Between the receptacles 25 , 26 , the pivot axis 27 carries an actuating lever 28 with egg ner upwardly open receptacle 29 at its free end, in which the valve body 5 is hung with its tab 18 . On both sides of each receptacle 25 , 26 , two parallel engagement levers 30 and 31 are rotatably connected to the pivot axis 27 . At the upper end of the bearing block 22 has two receptacles 32 , 33 in which bearing bolts 34 , 35 are rotatably mounted bar. On both sides of each receptacle 32 , 33 with the respective bearing pin 34 , 35 two par allele lever arms 36 and 37 are rotatably connected, which together with their respective bearing pin 34 , 35 each form a one-piece unit. At the lever arms 36 , 37 at 38 and 39, two connecting struts 40 , 41 are articulated, which are articulated at their ends to the free ends of the engagement levers 30 and 31, respectively. Between the two lever arms 36 and 37 , a sleeve 43 , 44 is rotatably supported at its free ends at 42 and 39, in which a horizontally oriented push rod 45 , 46 is received. The Ge steering points 42 , 39 are each equidistant from the Lagerbol zen 34 , 35 spaced. Associated with each actuating mechanism 23 , 24 is an externally actuatable pushbutton (not shown) which is operatively connected to the respective push rod 45 , 46 . By pressing the respective push button, the corresponding push rod 45 or 46 is moved in the horizontal pressure direction 47 , whereby the corresponding pair of lever arms 36 or 37 is pivoted downward. This pivoting is transmitted via the pair of connecting struts 40 and 41 to the pair of attack levers 30 and 31 and thus to the pivot axis 27 , whereby the actuating lever 28 is pivoted up and, depending on the pivoting angle, the partial or full flush is triggered. Since the push rod 45 is moved further by its push button in the pressure direction 47 than the push rod 46 by the other push button, the actuating lever 28 is pivoted further up by the first actuating mechanism 23 and therefore the full flush is triggered.

About the lever length of the engagement lever 30 , 31 and the distance between the articulation points 42 , 39 of the connecting struts 40 , 41 from the bearing bolts 34 and 35 , the lever ratios and thus the pressure required to actuate the push buttons and thus for the full and partial flushes can be made adjust forces. In the exemplary embodiment shown, the engagement lever 30 is shorter than the engagement lever 31 , and the connecting strut 40 is articulated closer to the bearing pin 34 than the connecting strut 41 on the bearing pin 35 .

Instead of different movement paths of the push buttons it is also possible with the same displacement of the pressure t different leverages with the two Operating mechanisms to achieve different swivel angles chen. There are also two different operating mechanisms movement and different leverage ratios niche for reaching different swivel angles possible.

The lever arms 36 , 37 are in the closed starting position of the drain fitting 1 ( FIG. 1) at 45 ° obliquely towards th, so that the sleeves 43 , 44 and the push rods 45 , 46 either, as shown in Fig. 4, directed horizontally and can be actuated in the horizontal pressure direction 47 via a front inspection opening in the cistern 2 or aligned vertically and can be actuated in the vertical pressure direction via an opening arranged at the top of the cistern 2 revision opening. This enables the arrangement of the pushbuttons either at the front or top of the cistern 2 with the same lever ratios.

Claims (12)

1. drain fitting ( 1 ) for a toilet cistern ( 2 ), with a valve body that can be raised for partial or full flushing ( 5 ) of a drain valve ( 4 ), with a in a float housing ( 8 ) inside the cistern ( 2 ) on ordered lower buoyancy body ( 9 ), which is prevented from buoyancy during the partial rinse, and with an upper buoyancy body ( 10 ), the Ven tilkörper ( 5 ) in the full flush on at least the lower buoyancy body ( 9 ) and in the partial rinse only is supported on the upper buoyancy body ( 10 ) and the lower buoyancy body ( 9 ) is held in place in the float housing ( 8 ) during the partial flushing, in particular by magnetic holding force, characterized in that a driver is provided on the valve body ( 5 ), which at a Larger stroke of the valve body ( 5 ) than that required for the partial flushing of the lower buoyancy body ( 9 ) from its particular magnetic counterpart he ( 14 ) stands out against the action of the magnetic force for full flushing. 2. Drain fitting according to claim 1, characterized in that on the lower buoyancy body ( 9 ) at least one before jump ( 16 ) is provided which projects downwards through the bottom ( 13 ) of the float housing ( 8 ) in the direction of the driver. 3. Drain fitting according to claim 1 or 2, characterized in that the driver is formed by a device for the log device ( 7 ) of the drain valve ( 4 ) provided bearing surface ( 17 ). 4. Drain fitting according to one of the preceding claims, characterized in that the valve body ( 5 ) on a pivotable actuating lever ( 28 ) is kept hanging and that the full flush is associated with a larger pivoting angle of the actuating lever ( 28 ) than the partial flush. 5. Drain fitting according to claim 4, characterized by two independently triggerable mechanisms Mechanme ( 23 , 24 ) for full and partial flushing, de ren respective attack lever ( 30 , 31 ) with the actuation lever ( 28 ) are rotatably connected. 6. Drain fitting according to claim 5, characterized in that the engagement levers ( 30 , 31 ) are arranged parallel to one another. 7. drain fitting according to claim 5 or 6, characterized in that each actuating mechanism ( 23 ; 24 ) has at least one lever arm ( 36 ; 37 ) and at least one articulated connecting strut ( 40 , 41 ) which is articulated with the attack lever ( 30 ; 31 ) is connected. 8. Drain fitting according to claim 7, characterized in that the lever arms ( 36 , 37 ) with the drain valve ( 4 ) are directed obliquely downward at approximately 45 °. 9. drain fitting according to claim 7 or 8, characterized in that the actuating lever ( 28 ) and the lever arms ( 36 , 37 ) of the two actuating mechanisms ( 23 , 24 ) are each rotatably mounted on a bearing block ( 22 ). 10. Drain fitting according to one of claims 5 to 9, characterized in that each actuating mechanism ( 23 ; 24 ) by a push rod ( 45 ; 46 ) in operative connection key can be actuated from the outside. 11. Drain fitting according to claim 10, characterized in that each actuating mechanism ( 23 ; 24 ) to the pivot axis ( 27 ) of the actuating lever ( 28 ) radially spaced sleeve ( 43 ; 44 ) for receiving the pressure rod ( 45 ; 46 ) , 12. Drain fitting according to claim 11, characterized in that the sleeve ( 43 ; 44 ) is rotatably mounted parallel to the pivot axis ( 27 ) of the actuating lever ( 28 ).