CN1136625A

CN1136625A - Water discharging valve for flushing cistern

Info

Publication number: CN1136625A
Application number: CN96100540A
Authority: CN
Inventors: 马塞厄斯·马蒂
Original assignee: Geberit Technik AG
Current assignee: Geberit Technik AG
Priority date: 1995-04-12
Filing date: 1996-04-05
Publication date: 1996-11-27
Also published as: ES2120279T3; EP0737784A1; EP0737784B1; ATE168433T1; DE29602227U1; DK0737784T3; AU693660B2; AU4829396A; DE59600331D1; CZ105196A3; SI0737784T1; SK29296A3

Abstract

The invention relates to a drain valve. A valve shell of the invention is arranged at the bottom part of a washing tank and is arranged on the upper surface of an outfall. A closing device with a floater is arranged on the valve shell so as to be convenient for the closing device to be lifted up. The side wall of the floater is at least provided with a vent hole. The position from the bottom edge to the vent hole in a cylinder zone is filled by water, thereby ensuring that no air can transgress from the floater when washing with a small amount and the washed water amount can not change.

Description

The draining valve that flushing cisterns is used

The invention relates to the draining valve that a kind of flushing cisterns is used, particularly about the draining valve of use in toilet flushing cisterns, its valve casing is fixed on the bottom of this flushing cisterns.In this valve casing, settling a float with an air chamber.This air chamber is at bottom opening.This float is placed on the closure member that is contained in this valve casing, so that float can be picked up.This float has a cover wall and a sidewall.

This class draining valve is just known by people for a long time.After starting flushing, the buoyancy of this float is to be guaranteed by air in the air cavity at this float or gas in this class draining valve.This draining valve is designed to stop in advance flushing.The draining valve that can carry out so-called two steps flushing is also known.After starting a button, this flushing cisterns just automatically is emptied completely.After starting another button, be present in the only flushing water of a part in this flushing cisterns, as 6 premium on currency, similarly discharged automatically.Practice shows, this two step douches that can accurately control washing water quantity, and being better than is come in person by the user determines to stop immediately process of washing.With regard to the situation of two steps flushing, can accomplish best flushing water-saving amount, if when the little water yield is washed, the always identical words of little washing water quantity.

Through after the extensive investigations, the inventor concludes that when this class draining valve was used to little discharging quantity of water, air just can be overflowed from the bottom of float, and water just can enter in this float from the below as a result.Thereby the buoyancy of this buoyancy aid, with and corresponding washing water quantity become that to catch mould indefinite.When little discharging quantity of water, the water yield that is discharged is not to be exactly very little too much thereupon.

Purpose of the present invention is the draining valve that a kind of above-mentioned that class will be provided, when little discharging quantity of water, can operate more accurately, but structurally also uncomplicated and manufacturing cost reduction.

In order to realize the foregoing invention purpose, on the known draining valve of this class, by having at least one air vent on the sidewall that makes its air cavity, this air vent has one according to the volume of float required air and definite distance from the cover wall of buoyancy aid.The present invention program is simple especially, but is reliably when operation, and also never finds in the past.According to the present invention, after flushing valve washes each time, water or liquid all have been full of from following up to the position that just in time is steam vent in its float.The water surface that is present in the float can stop layer of air to be overflowed from its bottom, so the volume of air cavity needs to determine exactly.Correspondingly the buoyancy of this float also always keeps equally.This air vent can be, such as an aperture, and this can't cause the increase cost.In this float, be positioned at water below the air vent position as cushion coat, when little flushing dose, can prevent that air from overflowing in this float.

Other good characteristics of the present invention are found in appending claims, explanation hereinafter and accompanying drawing.

Characterize the detailed content of the various characteristics of novelty of the present invention, appear in the appending claims, and formed the part of present disclosure.In order to understand the present invention and its operating advantage better, and the concrete purpose that can reach when using, please refer to accompanying drawing and explanation and wherein said most preferred embodiment.

In the accompanying drawings, this only figure is the schematic sectional view of draining valve of the present invention.

With reference to accompanying drawing, draining valve 5 in a kind of known mode, can be fixed in the flushing cisterns 1 with dismantling, and is positioned at the top position of the outfall 3 on the flushing cisterns bottom.A closing device that is used for opening and closing outfall 3 comprises a valve pipe 4 and has the float 7 that a rigidity is settled that valve pipe 4 is installed on the valve casing 6, thereby this valve pipe 4 can be lifted.Outfall 3 is to be in the diagram stop position by the valve disc on the valve pipe 4 13 to close.Then outfall 13 is opened when valve pipe 4 lifts by the drive unit 14 of a prior art, and flushing water 17 can flow through window 19 and the outfall 3 on the valve casing 6 like this, (does not mark among the figure) and flow in the flush toilet.In valve casing 6, valve pipe 4 remains on float state by the buoyancy of air cavity 16 always, until desired washing water quantity has obtained till the discharging.

In order to trigger the discharging of a small amount of flushing water, on valve pipe 4, in known manner, settling the ballast 15 of a closure.This close pressure weight 15 when a small amount of flushing, makes valve pipe 4 be subjected to heavy burden, and makes this valve pipe enter fastening position in advance.When so a small amount of flushing, the water level A of the flushing cisterns that is full of fully by water just drops to water level B.The water that part is residual such as 3 liters, after a small amount of flushing, is just stayed in this flushing cisterns.

For the discharging of a large amount of flushing water of triggering big when flushing, same in a kind of known mode, make valve pipe 4 no longer be subjected to the load of close pressure weight 15, at this moment valve pipe 4 keeps the state that lifts always, and the water in flushing cisterns 1 is emptied completely.

The shape of float 7 resembles an inverted beaker, has top cover or diapire 8, and is columniform sidewall 9 substantially.On the position below sidewall 9,, be provided with one or more air vents 10, thereby float 7 is floated with certain buoyancy distance of counting from top cover 8.These air vents 10 are smaller comparatively speaking, and several millimeters diameter preferably is such as 2mm.Air vent 10 also can be slit or other shape.As shown in FIG., float 7 below air vent 10, has one to be the columniform tube end 11 equally.Down extend to the edge 12 of bottom at the bottom of this, formed the lower openings of float 7 by this edge 12.

When flushing cisterns was in closed condition, a part of water yield 18 was present in the float 7, and its water level C is determined by air vent 10.The size at the tube end 11 will accomplish to make it can keep the water of sufficient amount, so that when a small amount of flushing, the air in the air cavity 16 can not overflowed from the bottom of float 7.The height at the tube end 11 is such as 2 centimetres.Accurate altitude information can be determined in the test of reality at an easy rate.

The size of air vent 10 will accomplish, during of short duration closed condition when a small amount of flushing, do not have or has only the air of minute quantity to overflow from this air vent.This can be guaranteed such as 2-5mm by the aperture is made, and the size of this air vent 10 will accomplish at least, after a large amount of flushings, is enough to make at the bottom of being present in tin the air in 11, can overflow from these air vents 10.Like this, water 18 just enters float 7 from below.

Though specific embodiments of the invention above have been described, and have understood the application of principle of the present invention in detail, be interpreted as, only otherwise deviate from these principles of the present invention, the embodiment of the invention can have multiple remodeling.

Claims

1. water tank draining valve, this draining valve has: be positioned in a valve casing in this flushing cisterns; Be placed in the above-mentioned valve casing, and has a float of a diapire and a sidewall, this float has an air cavity at bottom opening, formed an air vent on the above-mentioned sidewall, diapire from this air vent to float is a buoyancy distance at interval, and this buoyancy distance has the distance that float is floated in can the liquid in water tank; Closing device that is placed on the above-mentioned float is used for opening and closing the outfall on the water tank, and from then on this closing device is removed in the outfall.

2. as the draining valve described in the claim 1, it is characterized in that: on above-mentioned sidewall and be positioned at below the above-mentioned air vent and settle at the bottom of the tube.

3. as the draining valve described in the claim 1, this valve also comprises: a kind of a small amount of flusher that can start as required and selectively, when this a small amount of flusher was activated, it can make above-mentioned buoyancy aid sink in advance.

4. as the draining valve described in the claim 3, it is characterized in that: its air vent has a such size, when a small amount of flusher is not activated, the gas that is present in below this air vent is overflowed during by water filling again from this float at water tank.

5. as the draining valve described in the claim 3, it is characterized in that: the size of its air vent accomplishes in fact do not have air to overflow from this air vent during above-mentioned a small amount of flusher is activated.

6. as the draining valve described in the claim 1, it is characterized in that: the float of this draining valve is designed to the shape of beaker.

7. as the draining valve described in the claim 1, it is characterized in that: be provided with a plurality of above-mentioned air vents.

8. as the draining valve described in the claim 1, it is characterized in that: a small amount of flusher is to start selectively, and when starting this a small amount of flusher, it sinks above-mentioned float in advance, and makes above-mentioned closing device close the outfall of flushing cisterns in advance; Above-mentioned air vent is set on the position of the bottom certain distance that leaves float, so that form the cushion coat of a fluid, and this cushion coat, during starting above-mentioned a small amount of flusher, the gas that can prevent to be present in the buoyancy aid is overflowed from the bottom of its air cavity.