Drainage fitting
Technical field
According to claim 1, the present invention relates to a kind of drainage fittings for flush box.
Background technique
Become known for the drainage fitting of flush box from the prior art.For example, EP 0 890 680 disclose it is a kind of by
The drainage fitting of pneumatic lifter operation.
Summary of the invention
From the prior art, preferred purpose of the invention is to provide a kind of drainage fitting, which passes through fluid
Operation or the operation of electrically operated actuator, are rinsed for partial amount, have adjustable range as big as possible, and be still tight
The design gathered.
Theme according to claim 1 realizes the purpose.It accordingly, include that there is shell for the drainage fitting of flush box
The shell of wall and the valve body being movably mounted in shell, shell wall have surface on the outside, and valve body has float, wherein valve
Body can be moved to flush position from off position along central axis and be moved to off position from flush position.Float energy
It is enough to be moved inside the float chamber limited by shell along central axis, and together with float chamber hydraulic.Float chamber packet
At least one control channel for controlling the first flushing dose is included, is led to once the flushing water level around drainage fitting drops to control
The height in road, air can enter the float chamber from the region outside float chamber by control channel, so that float chamber and floating
The pressure ratio between region on the outside of seed cell can balance, wherein due to the balance of the pressure ratio, float can be from flush position
It is moved to off position.Drainage fitting further includes control unit, which has for controlling closing for the second flushing dose
Close weight, wherein during the beginning of the second flushing dose, closure weight generates closing force on valve body, and wherein, closure weight
The outside of shell is arranged in object, can be mobile relative to surface lateral.Closure weight is designed to be able on its height and position
It is conditioned.Because this adjusting can set the amount of second of flushing.In addition, drainage fitting includes fluid operation or electrically operated
Actuator, by the actuator, valve body can be promoted from off position to flush position.Actuator is arranged in surface side
To, and it is opposite with the closure weight of outer side of shell is arranged in relative to central axis.
In other words, it means that the element positioned at outer side of shell, i.e. actuator and closure weight, relative to central axis
Opposite to each other.In this case, closure weight is located at the side of shell, and actuator is located at the other side of shell.As a result,
Realize the effect that the height and position of closure weight can be adjusted in the case where not colliding with actuator.Therefore closure is increased
The adjustable range of weight upward.
Actuator and closure weight are preferably diametrically opposed to each other or relative to each other relative to central axis or shell.
The function of closure weight is defined as acting on valve body to the closure weight and total force is lower than when water level decreasing
When upper, effect which is omitted.In this case, during corresponding operation, closure weight
Object is connected with valve body, and gravity is enabled to be transferred to the valve body.Closure weight can preferably be attached temporarily to valve body.
It is particularly preferred that the surface in the region where actuator has slight groove, make it possible to further increase
Add compactedness.
Actuator and closure weight are preferably only located between two limitation planes parallel to each other, and the limitation plane is parallel
Extend and pass through the maximum magnitude on the surface of restriction float chamber in central axis.In other words, it is contemplated that in central axis side
The drainage fitting that arrives from the top upwards, which defines being spaced apart and with central axis at two straight lines of oriented at right angles, and
And two linear extensions by limit float chamber surface maximum magnitude, wherein actuator and closure weight be only located at two
Between straight line.
Therefore, it is capable of providing the drainage fitting being easily incorporated in flush box.That is, the width relative to flush box
Degree, the element of drainage fitting does not extend the scheduled size of maximum magnitude by float chamber.
Actuator is preferably specially designed for poppet body, but is not used in valve body being maintained at flush position, wherein valve
Body is maintained at flush position because of the hydro-cushion in the float chamber.Movement from flush position to closed position can be by
Enter float chamber in air to realize or by having the movement of the control unit of closure weight to realize.
Therefore, it results in the advantage that, the movement of actuator need not be controlled in time, but actuator is opened in flushing
It is operated when the beginning, then can return to off-position, or even if in the case of actuator failure, drainage fitting can be from
Flush position is moved in closed position.In addition, resulting in the advantage that, drainage fitting can operate in this way, that is to say, that even if
There is no actuator.About here, drainage fitting particularly preferably has on pulling element, such as valve body and/or control unit
Yoke is pulled, the pulling element poppet body can be passed through.
For the first flushing dose, actuator is preferably acted directly on valve body, which can directly be mentioned by actuator
It rises.For the second flushing dose, then actuator acts on valve body indirectly via control unit, which can pass through actuating
Device is promoted indirectly via control unit.Due to the promotion of control unit, valve body and closure weight are elevated simultaneously.
During operation, closure weight can preferably prolong surface on the direction of central axis from non-in motion range
Operating position moving flushing position, wherein the moving range of closure weight extends preferably to height and position, so that closure weight
The height and position that can be moved to where the actuator.
Therefore, moving range projects upwardly to the height and position of actuator.Since the collision with actuator, root may occur
It is particularly advantageous in this respect according to this arrangement of the invention.
Height where closure weight is preferably designed to be it can be conditioned in certain adjustable range, wherein be closed
The adjustable range for closing weight extends preferably to the height and position where actuator, and closure weight is enabled to be displaced to actuating
Height and position where device.Arrangement according to the invention is also advantageous in this respect, because adjustable range is very big and goes back
Especially extend to the height where actuator.Position where being closed weight is higher, and the water extracted from flush box is fewer.It adjusts
Adjusting range preferably extends downward up the height of float chamber along surface, especially at least reaches uppermost control channel place
Height region.
Control unit preferably further includes the strut that outer side of shell is arranged in, wherein closure weight is fixedly mounted in bearing
It is adjustably installed on bar or relative to bearing rod.Bearing rod preferably extends from height and position, in the height and position actuator
On the direction of float chamber downwards, the especially height and position below uppermost control channel.Strut and closure weight position
In same side, specifically diametrically or relatively relative to central axis and the actuator.
Closure weight preferably can be mechanically connected to valve body by switch element, and wherein switch element is in control unit
Promotion during the locking that automatically enters with valve body connect.When arrival is the water level that the second flushing dose provides, the closure
Weight provides closing force on the valve body, which is applied to valve body and via the switching of switch element to valve body.
Switch element is preferably mounted on strut.
Strut is preferably promoted by actuator, while the strut is acted on by driver on valve body and also by the valve body
It is promoted.
Actuator preferably has the first actuator rod and the second actuator rod, wherein the first actuator rod acts on valve body
On, and wherein the effect of the second actuator rod on the control unit, especially acts on strut.
The stroke of first actuator rod is preferably different from the stroke of the second actuator rod.
Respective connection is preferably so that even if not operating actuator between actuator rod and valve body and control unit
It also being capable of respectively poppet body and control unit in the case where bar.It is particularly preferred that valve body or control unit (are especially propped up
Bar) there is corresponding shoulder in some cases, corresponding actuator rod acts on corresponding shoulder from bottom.
Actuator is preferably the pneumatic actuator having there are two piston (especially reciprocating-piston), and one is arranged another
On a;Or there is at least one bellows.Each piston is preferably respectively contacted with an actuator rod.
Piston can be moved preferably along common piston axis, and wherein the piston axis is parallel to central axis extension.
Piston axis is preferably as close to central axis, that is to say, that apart from small, so that overall dimensions reduce.
Surface preferably has at least one receiving element, and actuator has at least one blocking element, wherein closing
Lock element is bonded in receiving element, and actuator is enabled to pass through locking connection and cage connection.Receiving element is preferably whole
Formed on the surface to body.Receiving element is preferably located in above float chamber.
Actuator is preferably only located above float chamber or the top of uppermost control channel.Such arrangement is advantageous
, because the cross section of float chamber can extend in the region below actuator, such as transverse to central axis below actuator
Seen in line.
Preferably, it is that partial amount is rinsed that the first flushing, which is that total amount is rinsed and second is rinsed,;Or first rinse be portion
It is that total amount is rinsed that component, which rinses, and second is rinsed.
Multiple control channels are preferably provided in different height and positions, and wherein outlet fitting further includes at least one closure
Element can open one in control channel by the closure member and can close another in control channel.
The height adjustment range of closure weight preferably at least extends to the lower section of uppermost control channel.
Other embodiment is disclosed in the dependent claims.
Detailed description of the invention
The preferred embodiment of the present invention is described hereinafter with reference to attached drawing, these embodiments are merely to illustrate without being solved
It is interpreted as limiting.In the accompanying drawings:
Fig. 1 shows the perspective view of the drainage fitting of embodiment according to the present invention, and wherein actuator disconnects.
Fig. 2 shows the side views according to the drainage fitting of Fig. 1;
Fig. 3 shows the perspective view of the drainage fitting according to Fig. 1, and wherein actuator connects;
Fig. 4/5, which show to rinse in partial amount, starts period according to the side view of the drainage fitting of aforementioned figures;With
Fig. 6/7, which show to rinse in total amount, starts period according to the side view of the drainage fitting of aforementioned figures.
Specific embodiment
Drainage fitting 1 for flush box is shown in figure.The drainage fitting 1 is described in more detail referring to figs. 1 to 3
Universal architecture.The operating principle of the drainage fitting 1 is further illustrated then referring to Fig. 4 to Fig. 7.
Drainage fitting 1 includes shell 2, and shell 2 has shell wall 3, and shell wall 3 is upper on the outside to have surface 4;And valve body
5, it is movably mounted in shell 2.Surface 4 limits shell wall 3 on the outside and forms the outer surface of the shell wall 3.
Valve body 5 includes float 6, and along central axis M from off position can be moved to flush position and from flushing
Position is moved to off position.Valve body further includes the sealing element 21 to work together with valve seat 22.It is close in off-position
Envelope element 21 is shelved on valve seat 22, so that not there are flowing out flush box.In flush position, sealing element 21 is apart from valve seat 22
Certain distance, and water energy is enough from flush box outflow.In this case, valve seat 22 is to maintain a part of element 28, outside
Shell 2 is mounted in the holding element 28 and is connectable to, and is especially inserted into, in the discharge outlet of flush box.
Float 6 can move in the float chamber 7 limited by shell 2.In this case, float 6 is moved along central axis M
It is dynamic.Float 6 is also together with 7 hydraulic of float chamber.Float chamber 7 is typically designed to the chamber closed towards top, and
During the movement from off position to flush position, hydro-cushion is generated between float 6 and float chamber 7, wherein valve body 5 is right
Flush position is maintained at because of this balance afterwards.
Float chamber 7 includes at least one control channel 8.In the shown embodiment, multiple control channels 8 are arranged in different
Height and position.If dropping to the height of corresponding control channel 8 around the water level S of drainage fitting 1, outside float chamber 7
The air in the region 9 of side can enter float chamber 7 by least one control channel 8.Since air enters, float chamber and float
Pressure ratio between the region 9 in 7 outside of room is balance, and has therefore upset the hydro-cushion in float chamber 7, and pressing
Under the balance of power ratio, float 6 and valve body 5 are moved to off position from flush position.Therefore, the first flushing dose can be controlled.
Drainage fitting 1 further includes the control unit 10 with closure weight 12, and the height and position of the closure weight can be by
It adjusts.Control unit 10 is for controlling the second flushing dose.During the second flushing dose starts, closure weight 12 produces on valve body 5
Raw closing force.That is, being connected to valve body with being closed 12 temporary mechanical of weight, the gravity of closure weight 12 is transmitted
To valve body 5.In the shown embodiment, closure weight 12 is movably disposed at the outside of shell 2, transverse to surface 4 and phase
For the surface 4.By the operation of control unit 10, it is closed weight 12 and is elevated and is connected to valve body 5.
Drainage fitting 1 further includes flowable or electrically operated actuator 11.By the actuator 11, valve body 5 can
It is promoted from off position into flush position.In this case, promotion directly and/or indirectly is all possible, this will
Hereinafter it is described in further detail.Actuator 11 is arranged transverse to surface 4, and such as activates relative to seen in central axis M
Device 11 is opposite with the closure weight 12 that 2 outside of shell is arranged in.That is, such as relative to seen in central axis M, actuator and
It is closed the outside that weight 12 is located at surface 4 diametrically opposed to each otherly.With closure the moving along central axis M of weight 12, due to
Actuator 11 is oppositely disposed, and will not be collided between actuator 11 and closure weight 12.Therefore, closure weight 12 can
It is moved to the height and position of setting actuator 11.In the shown embodiment, surface 4 has groove 30, and groove 30 reduces shell 2
Cross section compactedness is increased.
In addition, closure weight 12 and actuator 11, which are diametrically arranged, also has particular advantage, i.e. drainage fitting energy
Enough with the design of relative compact.This is particularly advantageous during drainage fitting 1 is installed to flush box.
Actuator 11 and closure weight 12 are preferably located between two limitation plane Z parallel to each other.Limit plane Z base
Central axis M extension is parallel on this, and preferably equidistant with central axis M in each case.In this case,
It is preferably chosen the distance, so that limitation plane Z extends through the maximum magnitude for limiting the surface 4 of float chamber 7.Limit plane
Maximum magnitude and the location point for therefore limiting plane are marked in Fig. 3 with X.
In the shown embodiment, actuator 11 is designed to make dedicated for poppet body 5.Therefore, valve body 5 is not logical
It crosses actuator 11 and is maintained at flush position, but since the interaction between float 6 and float chamber 7 is maintained at flush position.
That is, valve body 5 is maintained at flush position due to the hydro-cushion in float chamber 7.Said elements, i.e. 8 He of flow channel
It is closed weight 12, for the movement from flush position to off position.
In the shown embodiment, actuator 11 acts directly on valve body 5, is used for the first flushing dose.For this purpose, actuator 11
With actuator rod 15, the actuator rod 15 work together with the edge 23 on valve body 5 and from below with gravity on the contrary
It acts on edge 23, and valve body 5 is therefore moved to flush position from off position.It is initial bit shown in Fig. 6
It sets, in the initial position, actuator rod 15 is located at a certain distance from edge 23.After operation, actuator rod 15 to
It is upper to advance and encounter the edge 23 in the process and pass through 23 poppet body 5 of edge.As shown in Figure 7.
In the shown embodiment, actuator 11 also works together with control unit 10, is used for the second flushing dose.For this purpose,
Actuator 11 has the second actuator rod 16, and in the shown embodiment, the second actuator rod 16 is acted on to be stretched from control unit 10
On driver 24 out, in this case, driver 24 is stretched out from strut 13.It is the second actuator shown in Fig. 4 and Fig. 5
Interaction between bar 16, driver 24 and edge 23.In the shown embodiment, driver 24 extends out past valve body, laterally
In valve body 5, and in the effective range of the second actuator rod 16 of arrival.In this case, driver 24 is located at edge 23
Lower section.Initial position is as shown in Figure 4, wherein in this case, the second actuator rod 16 is contacted with driver 24.Passing through
During second actuator rod 16 promotes driver 24, driver 24 hits the edge 23 of valve body 5 and therefore by valve body 5 from non-behaviour
Make position to be promoted to flush position.As shown in Figure 5.Therefore, actuator 11 is by the second actuator rod 16 via control unit 10
It acts on valve body indirectly.
In the shown embodiment, control unit 10 further includes the strut 13 that 2 outside of shell is arranged in.The strut 13 is mainly used
It is closed weight 12 in carrying, in such case, weight 12 is closed and is formed on strut 13, there is the energy adjusted relative to strut 13
Power.I.e. it is capable to adjust the height and position of closure weight 12 on adjustable range E, therefore can adjust from flush box
The flushing dose of middle extraction.The position for being closed weight 12 is higher, and the flushing dose extracted from flush box is smaller.Adjustable range E is excellent
Selection of land is extended on height and position in the region opposite with actuator 11.That is, closure weight 12 can move
To the height and position opposite with actuator 11.Thus, it is possible to find out the diametrically cloth between closure weight 12 and actuator 11
The another advantage set, because the adjustable range of the height and position of closure weight 12 can reach up to the height of actuator 11,
And it therefore can increase the range of the amount of flush water during second of flushing by adjusting.
Closure weight 12 mechanically and can be temporarily attached to valve body 5 by switch element 14.Therefore switch element 14
Temporary mechanical connection between closure weight 12 and valve body 5 is provided.In such case, switch element 14 is mentioned control unit 10
It is connect during rising automatically into the locking of valve body 5.Switch element 14 is preferably mounted on strut 13 in hinged way, and
During movement of the control unit 10 (including strut 13) from off-position to flush position, which is connected to valve
Body 5.By this connection, power is acted on valve body 5.
In the shown embodiment, in this case, in the upper area of strut 13, the valve body 5 and the control unit
10 include pulling yoke 25,26.Yoke is pulled by these, drainage fitting can be operated in the not available situation of actuator 11.
In the shown embodiment, actuator 11 can be connect by locking connection with shell 2.For this purpose, surface 4 is in upper zone
There is contained structure 19, and there is actuator 11 at least one to be bonded on the blocking element 20 in contained structure 19 in domain.?
In this case, blocking element 20 is so that the mode that actuator can be releasably connected to shell 2 is bonded on contained structure
In 19.Contained structure 19 is relative to central axis M and is closed weight 12 diametrically.
As shown in Fig. 4 to Fig. 7, actuator 11 is that there are two the pneumatic actuator of piston 17,18, two pistons 17,18 for tool
One be arranged on another.Piston 17,18 is located on common piston axis K, and is supplied by airline 29 to it
Air is answered, makes it possible to realize the movement of the piston 17,18.
Fig. 4 and it is shown in fig. 5 be partial amount rinse beginning.In Fig. 4, valve body 5 is in its off position, wherein close
Envelope element 21 is shelved on valve seat 22.In Fig. 5, valve body 5 is in its flush position, wherein sealing element 21 is located at valve seat 22
At a certain distance from.By the operation of actuator 11, piston 18 correspondingly extends and control unit 10 passes through the second actuating
Device bar 16 is elevated.In addition, because of driver 24, valve body 5 is also elevated.Then water energy is enough from flush box outflow and water level
Decline.Once water level reaches closure weight 12, the buoyancy of the closure weight 12 is just eliminated, also, its gravity becomes effectively simultaneously
And press down on the valve body 5.
Operation about piston 18, it should be noted that this is a kind of operation that the duration is short and is mainly used for valve body 5
Promote its flush position.Once reaching flush position, actuator 11 returns to the actuator initial position with piston 18 together.
Now in figure 6 and figure 7 shown in be total amount rinse beginning.It is operated in such case first piston 17, and
And the first actuator rod 15 on the edge 23 that such case acts directly on valve seat 22 moves up.During this period, valve body 5
It is maintained at its flush position.Once water level decreasing, to the height of control channel, the hydro-cushion in float chamber 7 is destroyed and institute
It states valve body 5 and is moved back into off position from flush position.
In the shown embodiment, position at various height is arranged in multiple control channels 8.Drainage fitting 1 further includes closure
Element 27 can selectively cover the control channel by the closure member 27.
List of reference signs
1 drainage arrangement, 20 blocking element
2 shell, 21 sealing element
3 shell wall, 22 valve seat
4 surface, 23 edge
5 valve body, 24 driver
6 floats 25 pull yoke
7 float chambers 26 pull yoke
8 control channel, 27 closure member
9 float chamber lateral area, 28 holding element
10 control unit, 29 airline
11 actuator, 30 groove
12 closure weights
13 strut K piston axis
14 switch element M central axis
15 first actuator rods
16 second actuator control-rod B motion range
17 first piston E adjustable ranges
18 second piston Z reference planes
The location point of 19 receiving element X reference planes Z