ES2659878T3 - Drain valve for a floor drain gutter and a floor drain gutter with such a drain valve - Google Patents

Abstract

Drain valve for a floor drain gutter, with a housing (3) that can be immobilized in a drain opening (2.4) of the floor drain gutter and which is formed by a bottom of the jar-shaped housing ( 3.1) and a lid-shaped upper housing part (3.2), the upper housing part having an inlet opening (3.21) and the lower housing part an outlet opening (3.11), the inlet opening being surrounded ( 3.21) by an annular gasket (4), a siphon having a cup-shaped or cup-shaped container (9) manufactured separately and having an immersion tube (10) which is disposed within the housing (3) appears inside the container, the immersion tube (10) being detachable in the inlet opening (3.21) of the housing, characterized in that a pocket-shaped recess (3) is formed in the upper part of the housing (3.2). 3.34) which is arranged outside the joint (4) surrounding the inlet opening (3.21) and protruding upward from the upper edge (3,211) of the inlet opening (3.21), limiting the recess (3.34) and an upper edge (9.7) of the cup-shaped container or cup (9) an overflow channel from which a part extends above the upper edge (3,211) of the inlet opening (3.21), the cup-shaped or cup-shaped container (9) presenting on the inner side of the at least two projections (9.4, 9.5) located horizontally at a distance from each other and the immersion tube (10) having on its outer side at least one projection (10.5) cooperating with the projections (9.4, 9.5) of the container (9) to retain the container (9) against rotation and horizontal sliding.

Description

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DESCRIPTION

Drain valve for a floor drain gutter and a floor drain gutter with such a drain valve

The invention relates to a drain valve for a floor drain gutter, with a housing that can be immobilized in a drain opening of the floor drain gutter and which is formed by a bottom of the jar-shaped housing and an upper part of the housing in the form of a cover, the upper part of the housing having an inlet opening and the lower part of the housing an outlet opening, the inlet opening being surrounded by an annular seal, a siphon being arranged inside the housing which has a cup-shaped or cup-shaped container manufactured separately presenting an immersion tube that looks inside the container, the immersion tube being detachable in the inlet opening of the housing.

In addition, the invention relates to a floor drain gutter, especially a shower gutter, with an elongated concavity, on which floor an outlet opening is formed, and with a drain valve that can be immobilized in the outlet opening. .

A drain valve of this type is known from EP 2149643 A2. In the known drain valve that with a gutter shaped housing can also be used in shower gutter systems, the horizontal central outer diameter of the cup-shaped container is larger than the central inner diameter of the inlet opening. In order to be able to use the drain valve optionally with or without a siphon, the container is made at least partly flexibly, so that it can be compressed so that in the compressed state it can be removed from the housing and inserted into the housing through the entrance opening. The container is made entirely or at least partially of an elastic material such as rubber.

The available construction space, especially the available construction height for a drain valve that is disposed below a floor drain gutter (shower gutter), is generally very limited. The necessary construction height is determined especially by the level of the closing water, necessary for a reliable siphon. The level of the closing water must be sized in such a way that it remains effective even after a certain time during which the level of closing water without the entry of new water decreases by evaporation. In addition, the construction space necessary for such a drain valve, especially the construction height, is determined by the drain capacity necessary to ensure a sufficiently rapid and reliable evacuation of water from the wet area, for example a shower. Especially in combination with high capacity shower installations, a safe drain capacity is required in the floor-level shower gutters.

Various sump valves have already been developed which with a relatively low construction height offer a reliable siphon and a safe drain capacity (see for example EP2305905B1). But especially for the use of sump gutters there is still a need for a compact drain valve that with a low construction height and compact circumferential measurements offers a reliable siphon and a high drain capacity.

Document DE 202008001013 U1 describes a drain valve for shower trays or bathtubs, which has a housing with an inlet opening and a drain pipe. An immersion tube is inserted in the housing that delimits the inlet opening and forms a part of a siphon. The entrance opening is surrounded by a gasket that is applied on the bottom side of the bottom of the bathtub. The housing has a drain channel that surrounds the siphon and is bounded upwards by a section of the housing wall, this section of the housing wall being located at a higher height than the joint surrounding the joint.

EP 2305905 A1 discloses a floor-level shower drain with a jar-shaped drain housing that has a bottom piece made in the shape of a jar, free of connection pipe, a connection pipe arranged laterally and an entrance opening on its upper side. In addition, there is an immersion tube that through the inlet opening can be inserted into the drain housing defining with this a siphon. The bottom piece of the drain can be adjusted in height and is tightly attached to the liquid to the drain housing.

On the basis of this, the invention aimed to provide a drain valve of the type mentioned at the beginning that has a reliable siphon, which allows a high drain capacity and that can be carried out with compact circumferential dimensions, such that in combination with the Floor drain gutter results in low overall construction height.

This objective is achieved by means of a drain valve with the characteristics indicated in claim 1. Preferable and advantageous embodiments of the drain valve according to the invention are indicated in the dependent claims.

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The drain valve according to the invention is characterized in that in the upper part of the housing a pocket-shaped recess is formed which is arranged outside the joint that surrounds the inlet opening and protrudes upward from the upper edge of the inlet opening. , limiting the recess and an upper edge of the cup-shaped or cup-shaped container an overflow channel from which a part extends above the upper edge of the inlet opening, the cup-shaped or cup-shaped container presenting in the inner side at least two projections located horizontally at a distance from each other, the immersion tube having at least one projection that cooperates with the projections of the container to retain the container against rotation and horizontal sliding.

The drain valve according to the invention allows to take advantage of construction space directly below the flange that the gutter base body of a floor drain gut usually presents. In this way, by maintaining a reliable siphon and a safe drain capacity, reduced circumferential dimensions are achieved for a generic drain valve, the construction height necessary for the system consisting of the gutter base body and the drain valve being comparatively reduced.

In addition, the drain valve according to the invention is characterized by reliable retention of the cup or cup shaped container in the hollow space of the housing.

An advantageous embodiment of the drain valve according to the invention provides that the cup-shaped or cup-shaped container can rotate inside the housing after removal of the immersion tube and is retained in a predefined position in relation to the upper notch of the housing by means of the immersion tube inserted in the inlet opening. By means of the embodiment, it is possible to continue optimizing the drain capacity of the drain valve with compact or reduced dimensions of the housing. In addition, in this way it is possible to safely avoid a reduction in the drainage capacity due to an unwanted sliding of the cup-shaped or cup-shaped container towards the outlet opening.

Another advantageous embodiment of the drain valve according to the invention is characterized in that the lower part of the housing has a circular ring-shaped wall section that is rotatably joined and waterproof to a ring-shaped wall section circular top housing. This embodiment allows a rotation of the lower housing part with respect to the upper housing part about a vertical axis around up to 360 °. The outlet opening of the lower housing part which is preferably made in the form of a tubing formed in the lower housing part, therefore can be oriented very favorably for assembly with a view to an advantageous or predefined extension of the water conduit residual In practice, if necessary, a rotation of the lower housing part with respect to the upper housing part by a maximum of 180 ° will generally suffice.

Another advantageous embodiment of the drain valve according to the invention is characterized in that the cup-shaped or cup-shaped container has on the bottom side a corrugated projection protruding towards the immersion tube and extending from one side inside wall of the container towards an opposite inner wall side of the container. The corrugated projection has an advantageous effect on the deflection of the water leaving the immersion tube and, therefore, contributes to the increase of the drain capacity of the drain valve.

Furthermore, the objective on which the invention is based is achieved by means of a floor drain gutter, especially a shower gutter, with the characteristics of claim 5.

The floor drain gutter has an elongated concavity, at the bottom of which a drain opening is made. A drain valve can be immobilized in the drain opening with a housing that can be immobilized in the drain opening and which is formed by a bottom of the jar-shaped housing and a top of the lid-shaped housing, presenting the upper housing part an inlet opening and the lower housing part an outlet opening, the inlet opening being surrounded by an annular seal. In the housing there is a siphon that has a container in the form of a cup or cup made separately and an immersion tube that appears inside the container, the immersion tube being detachable in the inlet opening of the housing . In the upper part of the housing there is formed a pocket-shaped recess that is arranged outside the joint that surrounds the inlet opening and that protrudes from the upper edge of the inlet opening upwards, limiting the recess and an upper edge of the container in the form of a cup or cup an overflow channel, from which a part extends above the upper edge of the inlet opening. Next to the circumferential wall of the cavity a circumferential flange is located on the upper side, the upper recess of the upper housing of the drain valve being arranged in a space limited by the wall of the concavity and the flange.

Preferably, the cup-shaped or cup-shaped container has an elongated base shape, for example substantially oval and is disposed or can be rotatably inserted in the housing or the lower housing part of the drain valve. By means of a corresponding rotation of the container (cup) or its positioning with respect to the bag-shaped recess of the upper housing part, the recess can be optimally utilized as an overflow space.

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The cup or cup-shaped container is preferably made of a rigid flexural material, for example of rigid flexural synthetic material or metal.

An advantageous embodiment of the drain valve of the floor drain gutter is characterized in that the cup-shaped or cup-shaped container is shaped such that after removal of the immersion tube it can be removed from the housing without destruction to through the inlet opening and reinserted. Therefore, the immersion tube and the container can be removed for cleaning purposes. Especially, this embodiment allows, after the extraction of the siphon components, free access to the outlet opening of the housing and to the wastewater conduit connected thereto.

According to another preferred embodiment, the inlet opening of the drain valve of the floor drain gutter is made in an elongated shape, preferably as an elongated oval or oblong hole. In this way, a cup or cup shaped container made with a corresponding base shape can be inserted into the housing through the inlet opening and in this way the drain capacity can be increased, especially in shower gutters very narrow with a gutter drain opening made correspondingly elongated.

In this respect, it is also advantageous if the cup-shaped or cup-shaped container has a substantially elongated, preferably substantially oval, round base shape according to a preferred embodiment. In this way, it is possible to increase the volume of closing water and, therefore, lengthen the duration of time until a suppression of the function of closing water caused by evaporation is suppressed.

The length of the inlet opening or of the cup or cup-shaped container is for example at least twice the width of the inlet opening or of the container.

Another advantageous embodiment of the drain valve of the floor drain gutter is characterized in that the bottom of the bottom of the housing has an elevation in the form of a brass or shell, arranged substantially centrally, which protrudes into the hollow space of housing, and because the bottom of the cup-shaped or cup-shaped container has on the outer side a recess or hole in which the elevation in the form of a brazier or shell of the bottom of the bottom of the housing in the geometrical joint engages by geometric union correct operating status of the drain valve. This embodiment contributes with simple means to the retention of the container in the hollow housing space.

To insert a relatively large cup or cup-shaped container into the housing through the inlet opening of the top-shaped housing in a lid and, if necessary, be able to remove it from the lid and, nevertheless, guaranteeing the siphoning function, another embodiment of the drain valve according to the invention provides that the immersion tube has a funnel-shaped flange on the upper side, whose circumferential shape corresponds to the shape of the inlet opening of the upper part of cover-shaped housing.

The vertical longitudinal central axis of the inlet opening and / or of the immersion tube inserted in the housing preferably extends parallel and at a distance from the vertical axis of rotation of the lower part of the housing and / or the cup-shaped container or cup disposed inside the housing. The distance of the axis of rotation of the vertical longitudinal central axis of the inlet opening is for example in the range of a quarter to a third of the inner diameter of the immersion tube.

Another advantageous embodiment of the drain valve of the floor drain gutter is characterized in that the lower housing part is frictionally connected to the upper housing part while a sealing ring is arranged intermediate. This embodiment simplifies the manufacture and assembly of the lower housing part and the upper housing part. In this way, especially if the lower housing part is rotatable with respect to the upper housing part, the liquid tightness of the rotating union is guaranteed.

With a view to a simple assembly of the drain valve of the floor drain gutter, it is advantageous if, according to another embodiment, the upper housing part is provided, on the outer side, with ear-shaped supports having through holes to pass threaded bolts that are fixed or can be fixed to the drain gutter.

In order to immobilize the drain valve in the floor drain gutter, fixing means in the form of threaded bolts or nuts may preferably be fixed on the lower side of the gutter base body, in opposite marginal areas of the outlet opening.

In the following, the invention is described in detail with the help of a drawing representing several embodiments. They show:

Figure 1 a base body of a floor drain gutter with a drain valve mounted

in the drain opening of the gutter base body, in a perspective view;

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figure 2 figures 3 and 5

Figures 4 and 6

figure 7

figure 8 figures 9 and 10

figure 11

Figures 12 to 15

figure 16

figure 17

a drain valve of figure 1 in an enlarged perspective representation;

a section of the gutter base body of Figure 1 with the drain valve mounted on the bottom side, in plan view from above;

vertical section views of the drain valve with the gutter base body along section line A-A in figure 3 or section line B-B in figure 5;

a section of the gutter base body of Figure 1 with its drain opening and four threaded bolts on a bottom side in perspective and also, in exploded representation, an oval flat gasket, the top of the housing in the form of a cover of the drain valve, washers and nuts;

a perspective view from below of the upper housing part fixed to the gutter base body of Figure 7;

the bottom of the jar-shaped housing in a perspective view from below, separated from the top of the housing fixed to the gutter body (figure 9) and in a state mounted thereto (figure 10);

a section of the gutter base body of Figure 1 with the drain opening in a plan view from above in perspective, and also in an exploded representation, a cup-shaped container and a dip tube;

a top plan view in perspective of a section of the gutter base body of Figure 1 with its drain opening, four steps being shown for mounting the cup-shaped container and the immersion tube;

a section of a gutter base body with a drain valve represented in vertical section according to another embodiment, in a perspective representation;

Y

the gutter base body with the drain valve of Figure 16 in a vertical cross-sectional view.

The base body 1, shown in figure 1, of a floor drain gutter, especially of a shower gutter, has an elongated concavity 2. Next to the wall 2.1 circumferential to the concavity 2 is located on the upper side a 2.2 circumferential flange. The flange 2.2 is angled outwardly with respect to the wall 2.1 and extends substantially horizontally. The bottom 2.3 of the gutter base body 1 has a drain opening 2.4. Preferably, the bottom 2.3 is made with a slope from the ends of the concavity 2 towards the drain opening 2.4. The concavity 2 can be covered, for example, by a grill (not shown) or a plate (not shown) that delimits an inlet groove.

The drain opening 2.4 of the gutter base body 1 is made as an oblong hole. It has an approximately oval shape with two sections of song 2.41, 2.42 that extend parallel to each other and two sections of song 2.43, 2.44 semicircular. The edge sections 2.41, 2.42 of the drain opening 2.4 which extend parallel to each other are preferably located directly on the wall 2.1 of the concavity 2. In the drain opening 2.4 the housing 3 of a drain valve is immobilized according to the invention.

For this, on the lower side of the gutter base body 1, a plate 2.5 is fixed by joining materials, for example by welding (Figure 7). The plate 2.5 comprises an opening 2.51, the shape of which corresponds to the drain opening 2.4 of the gutter base body 1. The two openings 2.4, 2.51 are congruent one on top of the other. The plate 2.5 protrudes from the longitudinal edges 1.1, 1.2 of the lower side of the gutter base body 1 on both sides, to provide there a contact surface for a joint 4 disposed between the gutter base body 1 and the valve housing 3 Drain In the plate 2.5, four threaded bolts are arranged, for example, by welding. The threaded bolts 5 extend from the plate 2.5 vertically downwards and are arranged in pairs at the corners of the plate 2.5, at a distance from the edge sections. 2.43, 2.44 semicircular of the oval 2.4 drain opening.

The housing 3 is composed of a bottom of the jar-shaped housing 3.1 and a top of the lid-shaped housing 3.2. The upper housing part (lid) 3.2 has an inlet opening 3.21 and the lower housing part (housing jar) 3.1 has an outlet opening 3.11. The shape of the inlet opening 3.21 corresponds to the shape of the drain opening 2.4 of the gutter base body 1. The upper housing part 3.2 is provided by the outer side of ear-shaped supports 3.22 having passage holes 3.23 to pass the threaded bolts 5 fixed to the drain gutter 1.

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The top of the lid-shaped housing 3.2 has a circular ring-shaped wall section 3.24. Adjacent to said circular ring-shaped wall section 3.24 and the core 3.25 delimit a slit 3.26 in the form of a circular ring. The lower part of the jar-shaped housing 3.1 also has a circular ring-shaped wall section 3.12. This wall section 3.12 can be inserted into the groove 3.26 in the form of a circular ring of the upper housing part 3.2, so that the lower housing part 3.1 is rotatably connected to the circular ring shaped wall section 3.24 of the upper housing 3.2. On the outer side of the bottom of the jar-shaped housing 3.1 are circumferential ribs 3.13, 3.14 that delimit an annular groove in which a sealing ring (O-ring) 6 is disposed radially protruding outward from the ribs 3.13 , 3.14. In the assembled state of the lower housing part 3.1, the O-ring 6 is in sealing contact with the inner side of the circular ring-shaped wall section 3.24. The lower part of the housing 3.1 is connected to the upper part of the housing 3.2 with friction closure by the sealing ring 6.

The inlet opening 3.21 of the upper housing 3.2 is delimited by a circumferential collar 3.27. The inlet opening 3.21, especially the collar 3.27 is surrounded by an annular joint 4, the shape of which is adapted to the shape of the inlet opening 3.21 as well as the collar 3.27 and, consequently, is made oval or almost oval. In this exemplary embodiment, the joint 4 is made as a flat joint and has circumferential ribs 4.1 on the upper side (see Figure 2).

The fixing of the upper housing part 3.2 on the gutter base body 1 is carried out by means of nuts 7 which, after passing the threaded bolt 5 through the ear-shaped supports 3.22 of the upper housing part, are screwed onto the threaded bolts 5 inserting washers 8 (see figures 7 and 8).

Then, the edge of the lower housing part 3.1, provided with the sealing ring (O-ring 6), of the lower housing in the form of a jar 3.1, is inserted into the groove 3.26 in the form of a circular ring of the upper part of housing 3.2, so that a water-tight rotating joint of the lower housing part 3.1 with the upper housing part 3.2 results. But alternatively, the lower housing part 3.1 can also be attached to the upper housing part 3.2, before the latter is fixed to the gutter base body 1.

In the housing 3 there is a removable siphon formed by a cup-shaped or cup-shaped container 9 and an immersion tube (figure 11). The container (cup) 9 has a substantially oval base shape. It is composed, for example, of synthetic material and is preferably rigid to bending. Its base shape substantially corresponds to the shape of the drain opening 2.4 of the gutter base body as well as the shape of the inlet opening 3.21 of the upper housing part. Its outer dimensions are slightly smaller than the inner dimensions of the inlet opening 3.21 as well as the inner dimensions of the drain valve 2.4, so that through the inlet opening 3.21 and the drain opening 2.41 can be removed from the housing 3 and re-insert it (see Figures 11 and 12).

After the container (cup) 9 has been inserted into the housing 3 through the drain opening 2.4 and the inlet opening 3.21, it is pivoted in such a way that its wall sections 9.1, 9.2 straight of parallel extension between yes they extend transversely with respect to the edge sections 3.28, 3.29 straight from each other parallel to the entrance opening 3.21 (see Figures 12 and 13).

Next, the immersion tube 10 is inserted into the housing 3 and the container 9. The immersion tube 10 has at its upper end a funnel-shaped flange 10.1, whose circumferential shape corresponds to the shape of the inlet opening 3.21 . The flange 10.1 is formed in one piece in the immersion tube 10. In the round sections 3.30, 3.31 of the collar 3.27 delimiting the inlet opening 3.21 are formed souls or ribs 3.32, 3.33 that project radially inwards and serve as stops for the immersion tube flange 10.1. The stops 3.32, 3.33 define the vertical position of the immersion tube 10 with respect to the bottom 9.3 of the container 9 or the bottom of the jar-shaped housing 3.1. The flange 10.1 has a circumferential groove in its outer surface 10.2 in which a sealing ring (O-ring) 10.3 is inserted. The O-ring 10.3 protrudes slightly from the edge surface 10.2 and seals the flange 10.2 with respect to the collar 3.27 of the inlet opening 3.21 of the upper housing 3.2.

Next to the flange 10.1 of the immersion tube its tubular section 10.4 is located downwards. The tubular section 10.4 has a circular or approximately circular cylindrical inner contour. On the outer side of the tubular section 10.4 of the immersion tube, at least one projection 10.5 is provided, which cooperates with projections 9.4, 9.5 formed on the inner side of the container (cup) 9, to retain the container 9 against rotation and sliding horizontal (see figures 11 and 14).

In addition, the bottom 3.15 of the lower part of the housing 3.1 has an elevation in the form of a brass or shell 3.16, arranged substantially centrally, which protrudes into the hollow housing space (see Figures 4 and 9). The bottom 9.3 of the container (cup) 9 is provided, on the outer side, with a recess or hole 9.6 in which in the correct operating state of the drain valve, the geometrical joint elevation of the bottom shell 3.16 of the bottom of housing 3.15 (figure 4).

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A bag-shaped recess 3.34 is molded in the upper part of the housing 3.2, which is arranged outside the seal 4 that surrounds the inlet opening 3.21 and protrudes from the upper edge 3.211 of the inlet opening 3.21 upwards. The recess 3.34 delimits with the upper edge 9.7 of the container (cup) 9 an overflow channel from which a part extends above the upper edge 3.211 of the inlet opening 3.21 (see Figures 2 and 4). In Figures 4 and 6, the reference sign W and the arrows indicate the direction of flow of the water W entering the drain valve through the drain opening 2.4 and the immersion tube 10.

The recess 3.34 of the upper housing part 3.2 has a flattening of 3.341 on the upper side and is directly adjacent to the lower side of the gutter flange 2.2. Preferably, the recess 3.34 is in contact with the underside of the gutter flange 2.2.

The outlet opening 3.11 of the bottom of the jar-shaped housing 3.1 is made in the form of a tubing 3.17 formed therein. The tubing 3.17 is preferably converted without difference in height to the outer bottom surface 3.18 of the lower housing part 3.1.

The drain valve shown in figures 16 and 17 differs from the drain valve shown in figures 1 to 15 in that the container 9 has on the bottom side a corrugated projection 9.8 protruding in the direction of the immersion tube 10 and extending from an inner wall side of the container 9 to an opposite inner wall side of the container 9. The corrugated projection 9.8 improves the deflection of the water exiting the immersion tube 10 and thus leads to a flow optimization .

The immersion tube 10 can be provided, on its upper side, with a handle 10.6 in the form of a stirrup, so that if necessary, especially for cleaning purposes, it can be removed from the housing 3 comfortably without a tool.

The embodiment of the invention is not limited to the embodiments shown in the drawing. Rather, numerous variants are possible which, even in the case of a different configuration, make use of the invention indicated in the appended claims. For example, the tubing 3.17 can also be arranged with a difference in height above the bottom surface (bottom side) 3.18 outside the bottom shell 3.1. In addition, the outlet opening 3.11 does not have to be arranged with the tubing 3.17 obligatorily laterally in the lower housing part 3.1; It can also be made in the bottom 3.15 of the lower housing part 3.1, the pipe 3.17 then extending substantially vertically.

Claims (16)

5 10 fifteen twenty 25 30 35 40 Four. Five fifty 55 60 65 1. Drain valve for a floor drain gutter, with a housing (3) that can be immobilized in a drain opening (2.4) of the floor drain gutter and which is formed by a lower housing part in the form of jar (3.1) and a lid-shaped upper housing part (3.2), the upper housing part having an inlet opening (3.21) and the lower housing part an outlet opening (3.11), the opening of which is surrounded by inlet (3.21) by an annular gasket (4), being arranged inside the housing (3) a siphon that presents a cup-shaped or cup-shaped container (9) manufactured separately and that has an immersion tube (10) which appears inside the container, the immersion tube (10) being detachable in the inlet opening (3.21) of the housing, characterized in that a recess shaped in the form of a housing is formed in the upper part of the housing (3.2). bag (3.34) that is arranged outside the board (4) circling the inlet opening (3.21) and protruding upward from the upper edge (3,211) of the inlet opening (3.21), limiting the recess (3.34) and an upper edge (9.7) of the container in the form of cup or cup (9) an overflow channel from which a part extends above the upper edge (3,211) of the inlet opening (3.21), the cup or cup-shaped container (9) presenting in the inner side at least two projections (9.4, 9.5) located horizontally at a distance from each other and having the immersion tube (10) on its outer side at least one projection (10.5) cooperating with the projections (9.4, 9.5) of the container (9) to retain the container (9) against rotation and horizontal sliding. 2. Drain valve according to claim 1, characterized in that the cup-shaped or cup-shaped container (9) can be rotated inside the housing (3) after removing the immersion tube (10) and is retained in a predefined position in relation to the recess (3.34) by means of the immersion tube (10) inserted in the inlet opening (3.21). 3. Drain valve according to claims 1 or 2, characterized in that the lower part of the housing (3.1) has a wall section in the form of a circular ring (3.12) which is rotatably connected and waterproof to a wall section in the form of a circular ring (3.24) of the upper housing part (3.2). 4. Drain valve according to one of claims 1 to 3, characterized in that the cup-shaped or cup-shaped container (9) has on the bottom side a corrugated projection (9.8) protruding in the direction of the immersion tube ( 10) and extending from an inner wall side of the container (9) to an opposite inner wall side of the container (9). 5. Sump gutter, especially a shower gutter, with an elongated concavity (2), at whose bottom (2.3) a drain opening (2.4) is made, and with a drain valve that can be immobilized in the opening of drain (2.4) with a housing (3) that can be immobilized in the drain opening (2.4) and which is formed by a bottom of the jar-shaped housing (3.1) and a top of the lid-shaped housing ( 3.2), the upper housing part having an inlet opening (3.21) and the lower housing part an outlet opening (3.11), a siphon being arranged in the housing (3), characterized in that the inlet opening (3.21) It is surrounded by an annular gasket (4), the siphon presenting a cup-shaped or cup-shaped container (9) manufactured separately and an immersion tube (10) that appears inside the container, the immersion tube being held (10) removable in the inlet opening (3.21) of the c a casing, formed in the upper part of the housing (3.2) a recess in the form of a bag (3.34) that is arranged outside the seal (4) that surrounds the inlet opening (3.21) and protrudes from the upper edge (3.211) from the inlet opening (3.21) upwards, limiting the recess (3.34) and an upper edge (9.7) of the cup-shaped container (9) an overflow channel, from which a part extends above of the upper edge (3.211) of the inlet opening (3.21), and because following the circumferential wall (2.1) of the cavity (2) a circumferential flange (2.2) is located on the upper side, the recess ( 3.34) of the upper housing part (3.2) of the drain valve in a space limited by the wall (2.1) of the concavity (2) and the flange (2.2). 6. Sump gutter according to claim 5, characterized in that the cup-shaped or cup-shaped container (9) is shaped such that after removal of the immersion tube (10) it can be removed, without destroying it, from the housing (3) through the inlet opening (3.21) and reinserted. 7. Sump gutter according to claims 5 or 6, characterized in that the inlet opening (3.21) is made elongated, preferably as an elongated oval or oblong hole. 8. Sump gutter according to one of claims 5 to 7, characterized in that the cup-shaped or cup-shaped container (9) has a substantially elongated round base shape, preferably substantially oval. 9. Sump gutter according to one of claims 5 to 8, characterized in that the cup-shaped or cup-shaped container (9) can be rotated inside the housing (3) after the immersion tube (10) is removed and retained in a predefined position in relation to the recess (3.34) by means of the immersion tube (10) inserted in the inlet opening (3.21). 5 10 fifteen twenty 25 30 10. Sump gutter according to one of claims 5 to 9, characterized in that the bottom (3.15) of the lower part of the housing (3.1) has an elevation in the form of a stud or shell (3.16), arranged substantially centrally, protruding from the hollow housing space, and because the bottom (9.3) of the cup-shaped or cup-shaped container (9) has a deepening or hole (9.6) on the outer side, in which the shaped elevation engages geometrically of brass or shell (3.16) from the bottom of the bottom of the housing (3.1) in the correct operating state of the drain valve. 11. Sump gutter according to one of claims 5 to 10, characterized in that the cup-shaped or cup-shaped container (9) has at least two projections (9.4, 9.5) located horizontally at a distance from each other, the immersion tube (10) presenting at its outer side at least one projection (10.5) cooperating with the projections (9.4, 9.5) of the container (9) to retain the container (9) against rotation and horizontal sliding. 12. Sump gutter according to one of claims 5 to 11, characterized in that the immersion tube (10) has a funnel-shaped flange (10.1) on the upper side, whose circumferential shape corresponds to the shape of the inlet opening (3.21). 13. Sump gutter according to one of claims 5 to 12, characterized in that the lower part of the housing (3.1) has a wall section in the form of a circular ring (3.12) which is rotatably joined and watertight to a section circular ring-shaped wall (3.24) of the upper housing part (3.2). 14. Sump gutter according to one of claims 5 to 13, characterized in that the lower housing part (3.1) is frictionally connected to the upper housing part (3.2), while a sealing ring (6) is interposed. 15. Sump gutter according to one of claims 5 to 14, characterized in that the upper housing part (3.2) is provided by the outer side of ear-shaped supports (3.22) having through holes (3.23) to pass threaded bolts (5) that are fixed or can be fixed to the drain gutter. 16. Sump gutter according to one of claims 5 to 15, characterized in that on its lower side, in opposite marginal areas of the drain opening (2.4), fixing means are fixed in the form of threaded bolts (5) or nuts.