EP0536786B1 - Roof drainage system - Google Patents

Abstract

A roof drainage system comprising roof gutter (14), discharge housing (18), load-bearing unit (16) and downpipe (20) is assembled by snap-connecting means. <IMAGE>

Description

The invention relates to a roof drainage system, comprising at least one gutter that is spaced along its length essential horizontal longitudinal extent by support units is attachable to a roof structure and at least one drainage device adjoining the gutter to which an essentially vertical downpipe connects, the downpipe from non-overlapping downpipe shots is formed, with the connection facing each other End of the downpipe shots attachable telescopic connectors on a structure are provided, each with a larger diameter, upward-facing end section the lower end of the grasp the upper downpipe shot on the outside and with each a smaller diameter, downward end section in the upper end of the lower down pipe shot intervene, one between two telescopic connectors arranged downpipe shot with its lower one End up on a transition shoulder between the diameters End sections of the associated telescopic connector creates.

A downpipe construction for a roof drainage system The design referred to above is known from EP-A-353 232. The downpipe shown there is based on the following Assembly principle: After attaching the top downpipe section will have a telescopic connector at its lower end attached to the larger diameter, upward-facing end section. There is a first component on this telescopic connector attached to a wall, which is then attached a second component that is already anchored in the masonry is coupled becomes. In the following, the downward-facing smaller diameter end portion of the telescopic connector the second downpipe shot calculated from above is attached; the lower end is then again with a telescopic connector pushed together, whereupon this telescopic connector with the first fastening component arranged on it to an associated one already placed in the masonry second fastening component is coupled etc. The assembly then continues down.

A single disassembly of individual downpipe sections is, at least with respect to those different from the lowest downpipe shot Downpipe shots, not possible.

The invention has for its object the assembly and To facilitate dismantling of the downpipe and especially the Expansion of individual downpipe shots, also higher up facilitate, for example if they are damaged or if on an outer wall behind it, pipe laying work or painting work should be carried out.

To solve this problem, the invention proposes that the downpipe sections and the telescopic connectors are designed that to dismantle a downpipe shot this between two successive telescopic connectors attached to a building can be lifted as far as possible is that its lower down pipe end is above the upper end of the associated lower telescopic connector comes to rest and the Downpipe shot then after swinging his lower one out sideways End of the lower end portion of the associated upper Telescopic connector is removable.

The installation of the downpipe of such a roof drainage system is particularly easy since all telescopic connectors are first on the building at a given distance be attached to each other and then the downpipe shots inserted between the telescopic connectors can be.

In the event of disassembly of individual downpipe sections can be removed without much effort be raised by the respective downpipe shot so far will that its lower end over the top of the following lower telescopic connector and then with its lower end is swung out sideways and down can be deducted. It is not necessary here, all of them located under the respective downpipe section to be removed Dismantle downpipe shots and telescopic connectors, what the amount of time and also the work involved in a Disassembly of individual downpipe sections significantly reduced.

The initial construction of a downpipe designed in this way and the exchange a single downpipe shot is also particularly easy, if the telescopic connector with a fastener is inextricably linked, which for attachment to a Building part is formed.

In the event of improper influence, for example by children playing, To avoid defects, the telescopic connector or / and an associated fastener for attachment to the building part be connected with a tensioning collar, which the downpipe sections adjacent to the telescopic connector in each case above or below the upper or grips the lower end of the telescopic connector and through a snap lock against the adjacent downpipe shots is exciting.

The construction measures on the downpipe described above can basically be used, regardless of which Material the individual components are made. Prefers are the gutter or / and the drain unit or / and that Downpipe or / and the carrier units at least partially made of stainless steel. This is easy welding and avoids what occurs with copper roofing parts environmental problem of the discharge of sulfate contaminated Sewage.

With regard to the cross section of the downpipe, it is proposed that that this is essentially triangular, the Side walls of the downpipe be convexly curved outwards can essentially with a to the longitudinal direction of the downpipe parallel axis of curvature. To avoid injury to the To exclude the edges of the triangular downpipe, it is advantageous when the edges are rounded.

To make the fastener as simple as possible, the fastening element a wall anchor and - on the downpipe side - have a mounting flange. The mounting flange can with the telescopic connector in the range of each connected to the upper end section, in particular welded, be.

It is also proposed that the mounting flange part a cuff. The tensioning cuff, against intentional removal of individual downpipe shots can include a supplementary part with edge flanges, these Edge flanges to complement the ring collar the mounting flange can be attached.

Fig. 1

eine Gesamtansicht eines erfindungsgemäßen Dachentwässerungssystems an einem Gebäude;

Fig. 2

eine Explosionszuordnung von Dachrinne, Abflußgehäuse und Ablaufstutzen;

Fig. 3

einen Schnitt durch eine Verbindung zwischen Dachrinne und Abflußgehäuse;

Fig. 4

eine Explosionszuordnung von Trägereinheit und Dachrinne;

Fig. 5

einen Schnitt durch eine Verbindungsstelle zwischen einer Trägereinheit und einer Dachrinne;

Fig. 6

eine Ansicht eines Fallrohrs;

Fig. 7

das Detail einer Verbindungsstelle zwischen zwei aufeinanderfolgenden Fallrohrschüssen;

Fig. 8

eine Rinnenschußverbindung vermittels einer Steckverbindungseinheit;

Fig. 9

eine Rinnenschußverbindung mittels einer zweischaligen Überlappverbindungseinheit mit Schnappverbindung zwischen den beiden Schalen;

Fig. 10

eine Rinnenschußverbindung mittels einer zweischaligen Überlappverbindungseinheit mit Schraubverbindung zwischen den beiden Schalen;

Fig. 11

ein Endstück für eine Dachrinne mit Steckverbindungstasche zum Aufstecken an ein benachbartes Rinnenschußende;

Fig. 12

eine Abwandlung des Endstücks nach Fig. 11;

Fig. 13

einen Rinnenschuß mit Ablauf und

Fig. 14

eine Steckverbindungseinheit, welche gleichzeitig als Ablaufgehäuse ausgebildet ist.

The accompanying figures explain the invention using an exemplary embodiment. They represent:

Fig. 1

an overall view of a roof drainage system according to the invention on a building;

Fig. 2

an explosion assignment of gutter, drain housing and drain socket;

Fig. 3

a section through a connection between the gutter and drain housing;

Fig. 4

an explosion assignment of the carrier unit and gutter;

Fig. 5

a section through a connection point between a support unit and a gutter;

Fig. 6

a view of a downpipe;

Fig. 7

the detail of a connection point between two successive downpipe sections;

Fig. 8

a gutter weft connection by means of a connector unit;

Fig. 9

a gutter weft connection by means of a double-shell overlap connection unit with a snap connection between the two shells;

Fig. 10

a gutter weft connection by means of a two-shell overlap connection unit with screw connection between the two shells;

Fig. 11

an end piece for a gutter with a connector pocket for plugging onto an adjacent gutter end;

Fig. 12

a modification of the end piece of FIG. 11;

Fig. 13

a gutter shot with drain and

Fig. 14

a connector unit, which is simultaneously designed as a drain housing.

In Fig. 1, an outer wall of a building is designated 10 and the roof construction with 12. On the lower edge of this roof construction 12 a gutter 14 is laid and by support units 16 worn.

On the gutter 14, a drain housing 18 is attached to the a downpipe 20 connects.

Fig. 2 and make the connection of the gutter 14 with the Drain box 18.

The gutter 14 is designed with a V-profile, the one Opening angle of 45 ° to 120 °, preferably about 60 °, has. This gutter 14 is made of stainless steel sheet by bending and is composed of two boundary walls 14a. At each of the boundary walls 14a is in the area of the upper edge 14b an edge strip 14c formed into a snap profile. This Snap profile, also in the following for the sake of simplicity Designated 14c, is composed of a downward facing Partial strip 14ca and one inwards to the gutter indicative partial strips 14cb. On this gutter 14 it is Drain housing 18 hooked by snap elements 18e.

The drain housing is formed by V-shaped end walls 18a, which are spaced in the longitudinal direction of the gutter 14 and through Connecting walls 18b, 18c and edge flanges 18d with one another are connected. The connecting wall 18b, 18c and edge flanges 18d can each be connected in one piece and with the end walls 18a butt welded. On the connecting walls 18c, the snap elements 18e are riveted in the form of snap hooks or fixed by spot welding. The snap hooks have chamfers 18f at their upper ends.

To attach the drain housing 18, this is from below the gutter 14 pushed on, so that the contact flanges 18d approach the boundary walls 14a. The glide Snap hooks 18e with their instruction bevels 18f over the inward edges of the partial strips 14cb and snap behind this one, so that the edge flanges 18d on the boundary walls 14a. This is the connection housing 18th attached to the gutter 14.

An opening 14g is provided in the sole area 14f of the gutter 14, which is covered by the drain housing. Between the gutter 14 and drain housing is a drain chamber 22 limited. This drainage chamber is connected in cross section triangular drain pipe 24, which is perpendicular to Channel axis runs somewhat obliquely downwards, as in FIG. 2 shown. This drain pipe 24 is on the boundary wall 18b is butt welded and communicated with a drain opening 18h, the tip 18i near the sole area 18k lies and its upper edge 18l parallel to the gutter axis runs. The drain pipe 24 is with another Pipe section 26 combined into a pipe bend 24, 26 to which a downpipe connects. On this downpipe to be discussed later.

First, however, the gutter 14 is attached received by means of the carrier units 16. A carrier unit consists, as can be seen from Figures 4 and 5, of two carrier parts 16a and 16b. The carrier part 16a is angled Formed sheet, which fastening holes 16ab for fastening on the roof structure and in its lower angled Area has a threaded bolt 16ac. The carrier part 16b is formed from a single sheet metal strip the support surfaces 16ba, 16bb, an upper flange 16bc, one Rear wall 16bd and a bottom part 16be, which with the sole area 16bf collides and is welded if necessary. In the rear wall 16bd an elongated hole 16bg is provided, which can be inserted over the threaded bolt 16ac. After that you can a nut to be screwed onto the threaded bolt 16ac to clamp the rear wall 16bd with the carrier part 16a. After Loosening the nut is a height adjustment of the support member 16b possible with respect to the carrier part 16a; to secure the Carrier part 16b opposite the carrier part 16a are on the former Guide flanges 16bh is provided.

Windows 16bi are notched on the carrier surfaces 16ba and 16bb. On the outer sides of the support surfaces 16ba and 16bb, i.e. on the sides remote from the gutter 14 to be accommodated snap hooks 16bl are riveted or dotted. This Snap hooks 16bl snap in when the gutter 14 is lowered the V-profile formed by the support surfaces 16ba and 16bb behind the partial strips 14cb of the snap profiles 14c, so that the Gutter 14 to prevent accidental lifting from the carrier parts 16b is secured. The snap is also through here the 16bm slope. The snap hooks 16b1 are slightly curved and in the sense of lifting off the support surfaces 16ba and 16bb pre-curved. Should the gutter 14 the carrier part 16b can be released, so you can snap the connections solve by using a tool against the Presses snap hook 16bl and at the same time raises the gutter 14.

The height adjustment of the carrier part 16b is also after Inserting the channel 14 is possible because of that on the threaded bolt 16ac nut 16ad to be screwed on even after the Gutter 14 is still accessible.

6 and 7, the downpipe 20 is now shown in detail, that connects to the elbow 24, 26 shown in FIG. 2. This downpipe 20 consists of several prismatic, non-tapered shots 20a, 20b and 20c, the triangular Have cross-section. Between successive shots 20a to 20c are provided telescopic connectors 28 which each have an upper section 28b for sliding over the downpipe shot 20a or 20b and a downward-facing, smaller section 28a for insertion into a downpipe section that connects downwards 20b or 20c. The upper sections 28b are each on a mounting flange 30 of a wall anchor 32 fixed by spot welds 34. During assembly the wall anchors 32 set at intervals that are slightly larger than the lengths of the downpipe sections 20a to 20c. Then they will individual shots are set individually, namely the shot 20b set so that its lower edge 20ba on a shoulder 28c which the two sections 28a and 28b of each Telescope connector 28 connects together. Previously However, the upper end 20bb must over the associated section 28a can be moved up until the lower one End 20ba of the shot 20b over the top edge 28d in Aligned with the axis of the telescopic connector 28 pivoted can be. Only then can the downpipe section 20b in Be lowered towards shoulder 28c. If this on the shoulder 28c stands up, the upper end 20bb of the Downpipe shot 20b still reduced the lower cross section Section 28a of the upwardly adjacent telescopic connector 28. So that the downpipe shot 20b is above and below secured against lateral evasion. Removing one Downpipe shot 20b is possible after this has been raised again so far that its lower end 20ba passes over the upper edge 28d of the telescopic connector 28 is and then swung out laterally with its lower end and can be pulled down. The downpipe shots 20b must of course have an appropriate game against the bottom Portions 28a of the telescopic connectors 28 have to a lateral swiveling of the lower shot ends enable.

One serves against the willful removal of individual downpipe shots Cuff 36 shown in FIG. 7. The cuff is composed of the mounting flange 30 and the cuff angle 38 according to FIG. 6, the one with edge flanges 38a the mounting flange 30 is created and by locking bolts 38b is secured to the mounting flange 30. Lay it the edges 38c of the cuff angle 38 against the adjacent ones Shots 20b and 20c. The cuff angle is at medium height 38, as can be seen from FIGS. 6 and 7, bulged, so that it overlaps the telescopic connector 28. Through the The downpipe shots become clamping effect of the cuff angle 38 against lifting out of the respective telescopic connector 28 secured.

All parts of the roof drainage, with the exception of the locking bolts 38b, can be made of stainless steel. A Manufacture from any other material is conceivable, especially also made of copper sheet or plastic.

The ends can be seen in an exploded view in FIG of two adjacent gutter sections 14 and between them a connector unit 40. The connector unit 40 is one at both ends Insert pocket 40a formed between two Material layers 40b and 40c is formed. In the material layer 40b is formed a profile groove 40d, which a Seals profile 40e made of elastomeric material. The Insert pocket 40a extends essentially over the entire circumference of the channel profile of the channel sections 14. The Gutter ends can be in the direction of the arrow in the respective Pocket are inserted and slide to the corresponding trained sealing profiles 40e past. To the Outputs of the insertion pockets 40a can be used for relief the insertion be formed beveling (not shown). When assembled, the end edges are sufficient 14k not up to the respective pocket bottom 40f, but are so far away from this that one Temperature compensation movement is possible, but on the other hand also the connecting unit 40 moved as far as necessary can be that one of the gutter shot ends 14k the associated bag emerges and the associated gutter shot then swung out of the escape line and subtracted can be.

An alternative is shown in FIG. The connection unit 140 is here from an inner shell 140a and an outer shell 140b. On the inner shell 140a are formed on edge profiles 140a1, which are the snap profiles of the gutter sections 14 overlap. In the middle the inner shell 140a has a centering profile 140a2. On the outer shell 140b are profile channels 140b1 for receiving formed by sealing profiles 140b2. In the middle There is a counter profile along the longitudinal section of the outer shell 140b 140b3 for interaction with the centering profile 140a2. At the bottom of the counter profile 140b3 are elastic Snap hook 140b4 attached, which to engage with Snap flags 140a3 of the edge profiles 140a1 are determined. The End edges 14k of the gutter sections 14 are spaced apart from each other, which is approximately the width of the centering profiles 140a2 corresponds. When assembling the shells 140a and 140b on the inside or outside of the channel sections 14 put on and compressed so that the elastic Snap the snap hooks 140b4 behind the snap flags 140a3. A solution is possible by using a Tool presses the snap hook 140b4 inwards. The Seals 140b2 are compressed during assembly.

The embodiment according to FIG. 10 differs from that of Figure 9 only in that the inner shell 240a and the outer shell 240b by screws or dowels 244 are clamped together, which through holes 240a5 in Threaded holes 240b5, if necessary, screwed in self-tapping will.

FIG. 11 shows an end piece 50 for a gutter section 40 shown. At the end piece 50 is an insertion pocket 50a trained, in which the gutter section 40 are inserted can. In the outer material layer of the insertion pocket 50a a profile groove 50b formed, which a sealing profile 50c records. The assembly takes place as in connection with Figure 8 described.

Figure 12 differs from the embodiment Figure 11 only in that the end piece 50 is a rounded Has shape.

In Figure 13, a gutter shot 214 is shown, the a drain housing 214a is bulged. The snap profiles this gutter shot are designed just like described in connection with Figure 2. This special gutter shot can with adjacent normal gutter sections 14 connected by connecting units according to FIG. 9 or 10 will.

FIG. 14 shows a connection unit 340, at their ends with pockets 350 for insertion adjacent gutter sections 14 is formed. It is also this connection unit to a drain box 340a expanded. The pockets are designed as in Described in connection with Figure 8.

Claims (11)

1. A roof drainage system, comprising at least one gutter (14) which at intervals along its substantially horizontal longitudinal extent can be fastened by support units (16) to a roof structure (12), and at least one outlet means (18) which adjoins the gutter (14) and which is adjoined by a substantially vertically extending downpipe (20), wherein the downpipe (20) is formed by non-overlapping downpipe sections (20a,20b,20c), wherein for connecting mutually facing ends (20ba,20bb) of downpipe sections (20a,20b) there are provided telescopic connecting members (28) which can be attached to a building and which outwardly embrace the lower end (20ba) of the respective upper downpipe sections (20a) with a respective upwardly facing end portion (28b) of larger diameter and engage in the respective upper end (20bb) of the respective lower downpipe section (20b) with a respective downwardly directed end portion (28a) of smaller diameter, wherein a downpipe section (20b) arranged between two telescopic connecting members (28) is applied with its respective lower end (20ba) on a transition shoulder (28c) between the end portions (28b,28a) of different diameter of the associated telescopic connecting member (28), characterised in that the downpipe sections (20a,20b, 20c) and the telescopic connecting members (28) are so designed that to disassemble a downpipe section (20b) the latter can be raised between two successive telescopic connecting members (28) attached to a building to such an extent that its lower downpipe end (20ba) is then situated above the upper end (28d) of the associated lower telescopic connecting member (28) and the downpipe section (20b), after its lower end (20ba) has been swung out sideways, can then be removed from the lower end portion (28a) of the associated upper telescopic connecting member (28).
2. A roof drainage system according to Claim 1,
   characterised in that the telescopic connecting member (28) is permanently connected to a fastening member (30,32) which is designed to be fastened to a structural part (10).
3. A roof drainage system according to Claim 1 or 2,
   characterised in that for fastening to the structural part (10) the telescopic connecting member (28) and/or an associated fastening means (32) is connected to a clamping collar (36) which embraces the downpipe sections (20b,20c) adjoining the telescopic connecting member (28) respectively above and/or below the upper and lower end of the telescopic connecting member (28) and can be clamped against the adjoining downpipe sections (20b,20c) by a toggle bolt (38b).
4. A roof drainage system according to any one of Claims 1 to 3, characterised in that the gutter (14) and/or the outlet unit (18) and/or the downpipe (20) and/or the support units (16) are made at least partly of stainless high-quality steel sheet.
5. A roof drainage system according to any one of Claims 1 to 4, characterised in that the down pipe (20) is of substantially triangular design in cross-section.
6. A roof drainage system according to Claim 5,
   characterised in that the side walls of the downpipe are curved convexly outwards with an axis of curvature substantially parallel to the longitudinal direction of the downpipe (20).
7. A roof drainage system according to Claim 5 or 6,
   characterised in that the edges of the triangular downpipe are rounded.
8. A roof drainage system according to any one of Claims 1 to 7, characterised in that the fastening member (30,32) has a wall tie (32) and, on the downpipe side, a fastening flange (30).
9. A roof drainage system according to Claim 8,
   characterised in that the fastening flange (30) is connected, in particular welded, to the telescopic connecting member (28) in the region (34) of its respective upper end portion (28b).
10. A roof drainage system according to Claim 8 or 9,
    characterised in that the fastening flange (30) is part of a clamping collar (36).
11. A roof drainage system according to Claim 10,
    characterised in that the clamping collar (36) comprises a complementary part (38a) with peripheral flanges (38a), wherein these peripheral flanges (38a) can be fastened to the fastening flange (30) to complement the ring of the clamping collar (36).

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