EP2851477B1 - Drainage gutter - Google Patents

Description

The present invention relates to a drainage channel according to the preamble of claim 1.

Such drainage channels are used for receiving and discharging surface water, such as rainwater, in different corridor areas, especially in surface-sealed areas such as driveways, parking lots or the like.

Since the drainage channels are often exposed to very high pressure loads from traveling vehicles, generic drainage channels are usually made of a metal sheet with a large material thickness of 3mm or more and embedded to remove the load in a concrete foundation. Also known are concrete gutters, polymer concrete gutters or plastic gutters.

The water draining channel body are, as in the DE 94 21 617 U1 described, usually covered on its open longitudinal side by a grid, which rests on horizontally oriented side edges of the drainage channel, whereby care must be taken when embedding the made of sheet metal or plastic drainage channel in the foundation that the foundation is brought up to just below these side edges in order to transfer the force exerted on the grate when driving over a vehicle on the foundation.

The problem is that when installing the gutter body, the webs on which rests the grid, often insufficiently lined so that they break away after some time, for example, due to lack of thickness of the relining through the foundation, so that the gutter body is damaged when driving over the drainage channel ,

To prevent such damage to the gutter body of the drainage channel as possible, the drainage channels known from the prior art, as already mentioned above, made of a steel sheet with large material thickness or as concrete gutters or polymer concrete gutters, but this leads to a very high weight of the gutter body , so that the length of the individual channel body may be very limited, for example, up to one meter in length, in order to accomplish the installation of such drainage channels can still.

From the DE 201 20 946 U1 It is known to underlie on a bottom of the channel under half of the webs on which rests the rug, rectangular tube profiles.

In addition, preforms have to be produced for the concrete troughs known from the prior art, polymer concrete troughs and also the plastic troughs for their production, so that only troughs with predetermined dimensions are generally available for economic reasons.

From the DE 197 45 480 A1 is a consisting of a gutter body and an extension part drainage channel is known in which the on the gutter body from the top to be added extension part on both sides outwardly directed webs, which serve the support of paving stones, so that in the case of settlement, the paving stones move the extension part with downward ,

From the DE297 21 997 U1 an inner drainage channel is known, in which a cavity between a channel profile of the drainage channel and an angle profile, which is attached to the outer surface of the side walls of the channel profile, is filled with a hardening plastic compound for stabilizing lateral walls of the channel.

Object of the present invention is to provide a drainage channel, which is simple and flexible to install local conditions, is still stable with reduced weight and ensures a permanent use and can be produced in a simple manner in variable dimensions.

This object is achieved by a drainage channel having the features of claim 1.

In the drainage channel according to the invention, which is provided with a cross-section about U-shaped or box-shaped from a metal sheet gutter body for embedding in a foundation and the open longitudinal side of the gutter body covering grate, receiving pockets are arranged on the gutter body along its longitudinal extent in the supporting elements for transmitting vertically acting on the grate pressure forces are pushed onto the foundation on an extending in the longitudinal direction of the gutter body supporting elements, wherein an upper web of the receiving pockets forms a support for the grate, wherein a bent from the upper web, the Grate laterally supporting support wall is bent parallel to the side wall as an outer wall in the direction of a bottom of the gutter body, wherein the outer wall forms together with the side wall and the upper web which surrounds the support body receiving pocket.

With the aid of these support elements, the side walls of the gutter body are supported in such a way that embedding in the foundation no longer has to reach as far as the web supporting the grate, whereby the support elements now transfer the pressure forces to the foundation.

Advantageous embodiments of the invention are specified in the subclaims.

According to an advantageous embodiment of the invention, the support elements are formed as plastic blocks. Such plastic blocks are of low weight, which significantly simplifies the handling of the drainage channel during installation.

Instead of plastic, the support elements may also be made of metal, preferably light metal or a composite material, for example a glass fiber reinforced plastic.

Preferably, the support elements are each formed in cross-section in the sense of an I-beam, with laterally integrally formed on the central web reinforcing ribs, which may be arranged parallel to each other and spaced apart or in Form of a framework. With low material usage, these forms provide high rigidity, ie bending strength, as is desirable especially when driving over a drainage channel by various commercial vehicles.

According to a further advantageous, not claimed embodiment variant of the drainage channel according to the invention a lower web forming step is inflected in the side walls with a horizontal support surface on which rest the support body. As a result, the support body can be inserted during assembly in an even simpler manner in the gutter body.

According to an alternative, unclaimed embodiment, an upper web forming step is inflected in the side walls with a horizontal support surface on which rests the grate, wherein the support body abut an outer side of the side walls and a support surface facing away from the bottom of the upper web , With this variant, a simple installation of the support body is guaranteed.

According to the invention, a support wall bent upwards from the upper web and laterally supporting the grate is bent parallel to the side surface as an outer wall in the direction of a bottom of the gutter body, the outer wall forming, together with the side wall and the upper web, a pocket embracing the support body.

In order to further increase the hold of the drainage channel in the installed state, according to an advantageous development of this embodiment, the outer wall has a plurality of formed as a bending hook punched, which bent in the installed state out of the outer wall are embedded in a groove surrounding the gutter body laterally.

For easy connection of a plurality of channel body in the longitudinal direction of the longitudinal end face of the support elements adjacent gutters are positively or non-positively connected to each other, in particular latched together and thus allow easy assembly of multiple gutter body and support elements for a drainage channel with a longitudinal extension of several meters.

For positioning the support elements, it is provided that the gutter body along its longitudinal extent laterally arranged, the support elements receiving receiving pockets. These receiving pockets in this case have a serving as a support for the grate, the open longitudinal side of the channel body facing upper web and preferably on the open longitudinal side of the gutter body facing away from lower web for support on the foundation. As a result, the support elements can be easily inserted into the receiving pockets.

According to a further preferred embodiment, at least one transverse web is arranged to stabilize the drainage channel in the transverse direction on mutually facing side walls of the channel body and the transverse web or the plurality of transverse webs are preferably suspended or latched in a provided on the side walls of the channel body recesses.

For easy connection of two channel body in the longitudinal direction is according to a further preferred embodiment, a connecting body for connection the adjacent channel body held positively or materially. The contour of this connecting body corresponds substantially to the u- or box-shaped shape of the channel body.

As has been shown, by attaching the support elements to the channel body formed from a metal sheet a material thickness of less than 2 mm, more preferably in the range of 1 mm possible, without it when driving over the drainage channel, even with heavy vehicles to damage the drainage channel or the underlying foundation comes.

In addition, such formed of sheet metal gutter body can be easily manufactured in different dimensions, since no preforms are needed for the production of such gutter body.

• Figur 1 eine perspektivische Darstellung einer Ausführungsvariante einer Entwässerungsrinne mit eingeschobenen Stützkörpern und Querstegen,
• Figur 2 eine perspektivische Darstellung eines Endstücks der Entwässerungsrinne aus Figur 1 im eingebauten Zustand,
• Figur 3 eine Schnittansicht von vorn auf die Entwässerungsrinne im eingebauten Zustand der Figur 2,
• Figur 4 eine perspektivische Ansicht eines Rinnenkörpers der Entwässerungsrinne,
• Figur 5 eine perspektivische Ansicht einer Ausführungsvariante eines Stützkörpers,
• Figur 6 eine perspektivische Ansicht eines Quersteges,
• Figur 7 einen Längsschnitt durch eine Entwässerungsrinne mit einem Rinnenkörper und zwei ineinander gesteckten Stützkörpern und einem Verbindungskörper,
• Figur 8 eine Schnittansicht von vorn auf eine, nicht beanspruchte Ausführungsvariante eines Rinnenkörpers der Entwässerungsrinne,
• Figur 9 eine Schnittansicht von vorn auf eine weitere, nicht beanspruchte Ausführungsvariante eines Rinnenkörpers der Entwässerungsrinne,
• Figur 10a eine Schnittansicht von vorn auf eine erfindungsgemässe Ausführungsform eines Rinnenkörpers der Entwässerungsrinne,
• Figur 10b eine perspektivische Darstellung des in Figur 10a gezeigten Rinnenkörpers,
• Figur 11a eine Schnittansicht von vorn auf eine erfindungsgemässe Ausführungsform eines Rinnenkörpers der Entwässerungsrinne, und
• Figur 11b eine perspektivische Darstellung des in Figur 11a gezeigten Rinnenkörpers.

Hereinafter, preferred embodiments of the invention are explained in detail with reference to the accompanying drawings. Show it:

• FIG. 1 a perspective view of a variant of a drainage channel with inserted supporting bodies and transverse webs,
• FIG. 2 a perspective view of an end of the drainage channel FIG. 1 when installed,
• FIG. 3 a sectional view from the front of the drainage channel in the installed state of FIG. 2 .
• FIG. 4 a perspective view of a channel body of the drainage channel,
• FIG. 5 a perspective view of a variant of a support body,
• FIG. 6 a perspective view of a crossbar,
• FIG. 7 a longitudinal section through a drainage channel with a channel body and two nested support bodies and a connecting body,
• FIG. 8 1 is a front sectional view of an unclaimed embodiment of a gutter body of the drainage channel,
• FIG. 9 1 is a front sectional view of a further, unclaimed embodiment variant of a channel body of the drainage channel,
• FIG. 10a 1 is a front sectional view of an inventive embodiment of a channel body of the drainage channel,
• FIG. 10b a perspective view of the in FIG. 10a shown gutter body,
• FIG. 11a a sectional view from the front of an inventive embodiment of a channel body of the drainage channel, and
• FIG. 11b a perspective view of the in FIG. 11a shown gutter body.

In the following description of the figures, terms such as above, below, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the drainage channel, the channel body, the support body, the crosspiece and the like chosen in the respective figures. These terms are not intended to be limiting, that is to say, by different working positions or the mirror-symmetrical design or the like, these references may change.

In FIG. 1 a drainage channel is shown, which has a u- or box-shaped channel body 1, on the side receiving pockets 11 are provided for receiving by inserting supporting bodies 2, by means of which the open side of the U-shaped channel body 1 covering grate 5, shown in the FIGS. 2 and 3 , is supported down to a foundation 6.

The gutter body can be perforated as a full-surface channel body or for use as a drainage channel.

The FIGS. 2 and 3 show a section of the drainage channel in the installed state. As can be clearly seen in these two figures, a bottom 9 of the channel body 1 is placed on a foundation 6, wherein the foundation material, in particular concrete, is then filled on both sides to the lower edge of the support body 2 and the receiving pockets 11. The foundation 6 encloses only a lower portion of the channel body 1, and closes from the side surfaces 10 of the channel body 1 to the outside with a horizontal web. The width of these webs corresponds to at least the width of the support body 2 and the supporting body 2 receiving pockets 11 which are arranged laterally on the channel body 1 and thus form a stable support for the support body 2.

The upper web 13 of the receiving pockets 11 forms the support for the grate 5, so that a force exerted on the grate by a motor vehicle driving over the drainage channel is transmitted to the foundation 6 via the upper web 13, the support body 2 and the lower web 19 and so the drainage channel gives the necessary stability. Accordingly, it is possible to form the channel body 1 from a relatively thin metal sheet, for example, with a material thickness of less than 2 mm, in particular of 1 mm.

The support body 2 are preferably formed as plastic blocks. It is also conceivable, however, to manufacture the support body 2 from another solid but comparably lightweight material in order to make the handling of the channel body 1 or the drainage channel as simple as possible. In particular, the support bodies 2 are injection-molded parts

A preferred embodiment of such a support body 2 is in the FIG. 5 shown in a perspective view. The support body 2 consists of a preferably cuboid base body 14. The longitudinally of the support body 2 of spaced apart ends are preferably formed so that two adjacent support body 2 are connected to one another in a simple manner. Thus, in the embodiment variant of the support body 2 shown here, one end is conically tapered and correspondingly the other end provided with a corresponding conical recess 16.

One or more locking elements 20, for example in the form of a sealing lip, which engage in corresponding recesses 21 of the receptacle 16, are particularly preferably provided on the conically tapered end piece 15.

Also conceivable are curved, in particular hook-shaped ends, which engage in corresponding recesses on the other end of the support body 2 in order to connect two such support bodies 2 in a simple manner in terms of assembly technology.

If necessary, the transverse stability of the in FIG. 4 to increase shown in a perspective view channel body 1, transverse supports 3, which are preferably also designed as sheet steel parts, are preferably provided. These cross supports 3 are preferably designed for attachment to the channel body 1 with tabs 18 at their ends, which engage in corresponding slot-shaped recesses 12 in the channel body and optionally further slot-shaped recesses 17 in the support elements 2.

The support body 2 may correspond in their longitudinal extent in each case the longitudinal extension of a channel body 1, but it is also conceivable to dimension the support body shorter, as for example in FIG. 7 is shown in which two such support body 2 arranged one behind the other correspond to the length of a channel body 1.

In order to connect a plurality of such gutter body 1 watertight with each other, connecting body 4 are preferably provided, which are adapted in cross-section of the shape of the gutter body with externally mounted receiving pockets 11 and two such gutter body 1 preferably form-fitting or materially interconnected.

When installed, the bottom 9 of the channel body is in a recess formed during casting of the foundation 6 a. The receiving pockets 11 are outwardly, for example, on the side surfaces of a patch 8, which rests down on a plaster bed 7, which also surrounds the upper portion of the foundation.

In the FIGS. 8 to 11 Further embodiments of a channel body 1 are shown, of which the variants of the FIGS. 8 and 9 are not claimed.

Thus, the side walls 10 of the in FIG. 8 shown gutter body 1, a lower web 19 forming step with a horizontal support surface on which the support body 2 rest. The lower web is preferably inflected into the existing metal sheet side walls 10 of the gutter body.

At the in FIG. 9 shown channel body, the side walls 10 each have an upper web 13 forming step with a horizontal support surface on which the grate 5 rests. The support body 2 are here on an outer side of the side walls 10 and one of the support surface for the grate 5 facing away from underside of the upper web 13 at.

In the embodiment according to FIGS. 10a and 10b is a bent from the upper web 13 upwards, the grate 5 laterally supporting support wall 24 parallel to the side surface 10 as an outer wall 22 in the direction of a bottom 9 of the channel body 1 bent. Here, the outer wall 22 together with the side wall 10 and the upper web 13 forms a support body 2 embracing, downwardly open pocket.

Finally, the show Figures 11a and 11b essentially the one in the Figures 10a and 10b corresponding gutter body 1, wherein the outer wall 22 in this embodiment additionally comprises a plurality of formed as bending hooks 23 punched out in the installed state bent out of the outer wall into which the gutter body 1 laterally surrounding foundation 6 and thus improve the maintenance of the drainage channel in the foundation 6 on ,

List of reference numbers :

1

Channel body

2

support body

3

cross supports

4

connecting body

5

rust

6

foundation

7

pavement bed

8th

plaster

9

ground

10

faces

11

receiving pockets

12

recesses

13

upper jetty

14

body

15

tail

16

recess

17

recesses

18

tabs

19

lower jetty

20

locking elements

21

recesses

22

outer wall

23

bending hooks

24

retaining wall

Claims (14)

1. Drainage gutter, having a gutter body (1) of sheet metal, approximately U-shaped or box-shaped in cross-section, for embedding in a foundation (6), and a grate (5) covering the open longitudinal side of the channel body (1), wherein lateral receiving pockets (11) are arranged on the gutter body (1) along its longitudinal extension, into which supporting bodies (2) for transmitting vertically compressive forces (F) acting on the grate (5) are received on the foundation (6) in abutment against a side wall (10) extending in the longitudinal direction of the gutter body (1), wherein an upper web (13) of the receiving pockets (11) forms a support for the grate (5), wherein a supporting wall bent upwards from the upper web (13) and laterally supporting the grate (5) is bent parallel to the side wall (10) as an outer wall in the direction of a bottom (9) of the gutter body (1), wherein the outer wall together with the side wall (10) and the upper web (13) forms the receiving pocket (11) surrounding the supporting body (2), characterized in that the supporting bodies (2) are pushed into the receiving pockets (11).
2. Drainage gutter according to claim 1, characterized in that the supporting bodies (2) consist of plastic, metal or a composite material.
3. Drainage gutter according to claim 1 or 2, characterized in that the ends of the supporting bodies (2) of adjoining gutter bodies (1) facing to the front in the longitudinal extension can be connected to one another in a form-fitting or force-fitting manner.
4. Drainage gutter according to claim 3, characterized in that the ends of the supporting bodies (2) of adjoining gutter bodies (1) facing to the front in the longitudinal extension can be latched together.
5. Drainage gutter according to one of the preceding claims, characterized in that the receiving pockets (11) have a lower web (19) facing away from the open longitudinal side of the gutter body (1) for support on the foundation (6).
6. Drainage gutter according to one of the preceding claims, characterized in that a step forming a lower web (19) is bent into the side walls (10) with a horizontal bearing surface on which the supporting bodies (2) rest.
7. Drainage gutter according to one of the preceding claims, characterized in that at least one transverse web (3) is arranged on side walls (10) of the gutter body (1) facing one another.
8. Drainage gutter according to claim 7, characterized in that the transverse web (3) can be hooked in or snapped into recesses (12) provided on the side walls (10) of the gutter body (1).
9. Drainage gutter according to claim 8, characterized in that tabs (18) are integrally formed at the ends of the transverse web (3) for hooking or snapping into the recesses (12) provided on the side walls (10) of the gutter body (1).
10. Drainage gutter according to claim 9, characterized in that recesses (17) are provided on the supporting bodies (2), into which the tabs (18) of the transverse web (3) engage.
11. Drainage gutter according to one of the preceding claims, characterized in that a connecting body (4) for connecting two adjacent gutter bodies (1) is held in a form-fitting or materially bonded manner at an end of the gutter body (1) facing to the front in the longitudinal extension.
12. Drainage gutter according to claim 1, characterized in that the metal sheet has a material thickness of less than 2 mm, preferably about 1 mm.
13. Drainage gutter according to one of the preceding claims, characterized in that the gutter body (1) is designed perforated as a drainage gutter body.
14. Drainage gutter according to one of the preceding claims, characterized in that the supporting bodies (2) are constructed as injection-molded parts, in particular in the form of an I-beam, having ribs preferably connected laterally to a central web, which are arranged parallel and spaced from one another or are present as a framework.

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