EP4071316A1 - Drainage device provided with a fastening sleeve for construction, in particular a building roof or a terrace - Google Patents

Drainage device provided with a fastening sleeve for construction, in particular a building roof or a terrace Download PDF

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Publication number
EP4071316A1
EP4071316A1 EP22154804.3A EP22154804A EP4071316A1 EP 4071316 A1 EP4071316 A1 EP 4071316A1 EP 22154804 A EP22154804 A EP 22154804A EP 4071316 A1 EP4071316 A1 EP 4071316A1
Authority
EP
European Patent Office
Prior art keywords
head
drainage
fixing sleeve
drainage head
washer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22154804.3A
Other languages
German (de)
French (fr)
Other versions
EP4071316C0 (en
EP4071316B1 (en
Inventor
Gérard Iftissen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rikksen
Original Assignee
Rikksen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rikksen filed Critical Rikksen
Publication of EP4071316A1 publication Critical patent/EP4071316A1/en
Application granted granted Critical
Publication of EP4071316C0 publication Critical patent/EP4071316C0/en
Publication of EP4071316B1 publication Critical patent/EP4071316B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0413—Strainers for drainage outlets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0436—Drainage outlets, e.g. gullies with sealing means

Definitions

  • the present invention relates to the field of drainage devices for the evacuation of rainwater accumulating on building walls, in particular building roofs and terraces.
  • the roofs of buildings in particular the flat slabs of roofs, and the terraces have conduits for the flow of rainwater which direct them towards a drainage network by pipes.
  • the present invention aims to provide a drainage device that is easy to manufacture and install.
  • the invention relates to a drainage device intended to be installed on a construction provided with a drain, in particular on a roof of a building or a terrace in order to evacuate rainwater.
  • the drainage device comprises a drainage head internally delimiting a collection space and provided with at least one through recovery passage, and an at least partially deformable fixing sleeve, integral with the drainage head and capable of being engaged to inside the drain pipe.
  • Fibering sleeve integral with the drainage head means that the sleeve is fixed indirectly to the drainage head by means of at least one part, or that the sleeve is fixed directly to the drainage head.
  • the drainage device further comprises a compression washer fixed to the fixing sleeve, and a biasing means movable relative to the drainage head and cooperating with the compression washer to obtain, under the effect of a displacement of said biasing means relative to the drainage head, an axial displacement of the compression washer on the side of the drainage head and a radial outward deformation of the sleeve of fixation.
  • the fixing of the drainage device to the flow conduit of the construction can thus be carried out by actuating the biasing means which makes it possible to obtain the radial deformation towards the outside of the fixing sleeve until it comes press and crash against the bore of the flow conduit.
  • the axial movement of the compression washer causes the clamping and pinching of the fixing sleeve between it and the drainage head.
  • the blocking of the drainage device is obtained by wedging the fixing sleeve against the flow conduit.
  • the drainage device can be installed on flow conduits having different diameters.
  • the fixing sleeve also makes it possible to ensure a sealing function with the flow conduit.
  • the biasing means cooperates by screwing with the compression washer.
  • the biasing means may for example comprise at least one screw or a rod engaging with the compression washer.
  • the biasing means is rotatable relative to the drainage head.
  • the device should be equipped with means for locking in position the biasing means in the deformed position of the sleeve.
  • the biasing means could also be possible to provide for the biasing means to be mobile in rotation and in translation relative to the drainage head.
  • the biasing means extends partially within the drain head, and connects the drain head and the compression washer.
  • the biasing means may for example comprise a screw or a central rod in engagement with the compression washer.
  • the biasing means extends axially and is accessible from outside the drainage head.
  • the biasing means extends axially projecting relative to an upper front face of the drainage head.
  • the compression washer can be fixed to an axial end of the fixing sleeve which is axially oriented on the side opposite the drainage head. Alternatively, the compression washer can be fixed at a distance from this axial end.
  • the attachment sleeve may partially surround the drainage head.
  • the fixing sleeve has, in the rest position, an outer diameter smaller than the inner diameter of the flow conduit.
  • the compression washer is provided with at least one through recess for the passage of rainwater.
  • the device further comprises a mounting washer fixed to the drainage head and on which the fixing sleeve is fixed.
  • the mounting washer can be fixed to an axial end of the fixing sleeve facing axially on the side of the drainage head. Alternatively, the mounting washer can be fixed at a distance from this axial end.
  • the biasing means may extend partially within the drain head.
  • the biasing means is located entirely outside the drainage head.
  • the biasing means may comprise a plurality of screws spaced apart from each other in the circumferential direction, extending through the mounting washer and engaging the compression washer to obtain the deformation of the sleeve. fixation during the rotation of the screws.
  • the sleeve extends axially between the mounting and compression washers.
  • the fixing sleeve could be fixed directly to the drainage head without interposing the mounting washer.
  • the drainage head may comprise at least one head part internally delimiting the collection space and provided with said through recovery passage, and a shoulder axially delimiting the head part.
  • the fixation sleeve extends entirely on the side opposite the collection space of the head part with respect to the shoulder.
  • the drain head further includes a drain duct, the shoulder being formed between the drain duct and the head portion.
  • the fixing sleeve can be integral with the evacuation duct.
  • the fixing sleeve can be secured to the shoulder.
  • the drainage device may further comprise a seal mounted around the evacuation conduit and disposed axially between the shoulder of the drainage head and the fixing sleeve.
  • the gasket may be interposed axially between the shoulder of the drainage head and the mounting washer.
  • the fixing sleeve is entirely deformable.
  • the fixing sleeve can be made at least in part from a deformable material, in particular from an elastically deformable material.
  • the compression washer, and the mounting washer when the latter is provided can be made at least in part from a rigid material.
  • the fixing sleeve has a tubular shape.
  • the fixing sleeve has no through-opening formed in its thickness. Alternatively, it remains possible to provide such opening(s).
  • a drainage device 10 which is installed on a construction 12 comprising a slab 14 of a flat or sloping roof, in order to evacuate the water lying above this slab.
  • a hole 16 is made through the slab 14 which includes a sealing cover 18 on the outside.
  • the drainage device 10 is assembled with a drainage conduit 20 of the construction which is disposed through the vertical hole 16. On the figure 1 , the device 10 and the flow conduit 20 are shown in a position assumed to be vertical.
  • the drain 20 is equipped with a membrane 22 which is covered by the sealing cover 18.
  • the drain 20 is intended to evacuate the rainwater accumulating on the slab 14 on the outside.
  • the drainage device 10 comprises a drainage head 24, of axis X-X', a fixing sleeve 26 secured to the drainage head, a plate or compression washer 28 fixed to the attachment, and a screw 30 extending into the drain head and engaging the compression washer 28.
  • the rotation of the screw 30 makes it possible, via the compression washer 28, to stress the fixing sleeve 26 and to obtain its radial outward deformation.
  • the drainage device 10 also comprises a mounting plate or washer 32 to ensure the fixing of the fixing sleeve 26 on the drainage head 24.
  • the drainage head 24 internally delimits a collection space 34 for rainwater which is intended to communicate with the outside and with the flow conduit 20.
  • Drain head 24 is provided with recovery passages 36, 38 ( figure 2 ) water which are provided to let the water, which is around the head above the slab 14, enter the collection space 34, so that the water is evacuated through the conduit d flow 20 from this space.
  • the recovery passages 36, 38 pass through the thickness of the drainage head.
  • the drainage head 24 comprises a lower recovery passage 36 passing through, and a plurality of upper recovery passages 38 which are offset vertically above the recovery passage 36.
  • the lower recovery passage 36 is provided on the drainage head 24 so as to be located in the vicinity of the membrane 22 of the flow conduit.
  • the upper recovery passages 38 are located here in the vicinity of the upper end of the drainage head 24.
  • the upper recovery passages 38 have a passage section greater than that of the lower recovery passage 36.
  • the drainage head 24 could be provided with a plurality of lower recovery passages 36 arranged or not at the same height.
  • the drainage head 24 could be provided with a single through recovery passage.
  • the drain head 24 includes a head portion 40 and a drain duct 42 axially extending the head part 40.
  • An annular radial shoulder 44 is formed between the exhaust duct 42 and the head part 40.
  • the head part 40 and the exhaust duct 42 are disposed axially on either side of the radial shoulder 44.
  • the exhaust duct 42 extends here from the shoulder 44 on the side opposite the head part 40.
  • the shoulder 44 is formed by the difference in diameter between the head part 40 and the exhaust duct 42.
  • the head part 40 has a bell shape.
  • the radial shoulder 44 has the function of carrying out the positioning of the drainage head 24 with respect to the slab 14.
  • the head part 40 of the drainage head is located above the slab 14, and the evacuation 42 extends inside the hole 16 thereof and engages without contact in the flow conduit 20.
  • the head portion 40 of the drainage head internally delimits the collection space 34.
  • the recovery passages 36, 38 ( figure 2 ) of the drainage head 24 are provided on the head part 40.
  • the evacuation conduit 42 is in direct communication with the collection space 34.
  • the drainage head 24 is made in one piece.
  • the head part 40 and the evacuation duct 42 could be formed by two separate parts assembled with each other.
  • the drainage head 24 can be made of metallic material, for example sheet metal.
  • the fixing sleeve 26, of axis X-X', is mounted on the drainage head 24.
  • the fixing sleeve 26 is mounted on the evacuation duct 42 of the drainage head.
  • the mounting washer 32 is provided to ensure the fixing of the fixing sleeve 26 on the drainage head 24.
  • the fixing sleeve 26 is fixed on the washer 32 which is itself fixed on the drainage head 24.
  • One axial end of the fixing sleeve 26 is fixed to the drainage head 24, the other axial end of the sleeve being free with respect to the drainage head.
  • the mounting washer 32 is attached to the drain duct 42 of the drain head.
  • the assembly washer 32 is fixed to the exhaust duct 42 by any appropriate means, for example by tight fitting.
  • the assembly washer 32 comprises an annular fixing base 32a fixed to the evacuation duct 42 of the drainage head, and an annular flange 32b extending the base 32a outwards.
  • the flange 32b extends radially outwards an axial end of the base 32a.
  • the mounting washer 32 can for example be made of metallic material or else of rigid plastic material or rigid rubber.
  • the axial end of the fixing sleeve 26 which faces axially towards the head part 40 of the drainage head is fixed to the mounting washer 32.
  • the fixing sleeve 26 is fixed on the flange 32b of the mounting washer.
  • the fixing sleeve 26 is fixed to the mounting washer 32 by any appropriate means, for example by gluing, by mechanical fixing, by overmolding, by heat sealing, etc.
  • the device 10 further comprises a seal 46 mounted around the discharge conduit 42 of the drainage head and interposed axially between the shoulder 44 of the drainage head and the washer 32 for mounting.
  • the seal 46 is annular in shape and centered on the X-X' axis.
  • the seal 46 bears axially against the outer surface of the slab of the building, here the sealing cover 18.
  • the seal 46 can for example be made of elastomer, in particular rubber.
  • the compression washer 28 is fixed to the fixing sleeve axially opposite the mounting washer 32.
  • the compression washer 28 is attached to the axial end of the attachment sleeve 26 which axially faces away from the drain head 24.
  • the compression washer 28 is provided with a plurality of through recesses 48 ( Figure 4 ) for the passage of rainwater.
  • the recesses 48 pass through the axial thickness of the washer 28.
  • the compression washer 28 is equipped with a threaded bore 28a. Bore 28a is centered on axis X-X'.
  • the compression washer 28 can for example be made of metallic material or else of rigid plastic material or rigid rubber.
  • the fixing sleeve 26 is fixed to the compression washer 28 by any suitable means, for example by gluing, by mechanical fixing, by overmoulding, by heat sealing, etc.
  • the fixing sleeve 26 is here in the form of a tubular sheath.
  • the fixing sleeve 26 radially surrounds the evacuation conduit 42 of the drainage head.
  • the fixing sleeve 26 remains radially at a distance from the evacuation duct 42.
  • the fixing sleeve 26 extends axially beyond the evacuation duct 42.
  • the fixing sleeve 26 is deformable.
  • the fixing sleeve 26 is made of a deformable material, in particular an elastically deformable material.
  • the fixing sleeve 26 can for example be made of elastomer, in particular of EPDM, or else of silicone, flexible polyurethane, rubber, etc.
  • the fixing sleeve 26 is manufactured separately from the compression washers 28 and 32 for assembly before assembly to obtain a unitary assembly.
  • the fixing sleeve 26 is capable of ensuring the fixing of the device 10 relative to the flow conduit 20 by deformation and contact of the fixing sleeve against the latter.
  • the screw 30, of axis X-X' connects the drainage head 24 and the fixing sleeve 26.
  • the screw 30 extends axially inside the drainage head 24 and in axial projection with respect to that -ci on the side of the compression washer 28 and of the fixing sleeve 26.
  • the screw 30 extends axially inside the evacuation conduit 42 of the drainage head.
  • the screw 30 engages the threaded bore 28a of the compression washer.
  • the outer surface of the screw 30 comprises for this purpose an external thread 30a.
  • the screw 30 is in the form of a rod.
  • Screw 30 extends axially through head portion 40 of the drain head. Screw 30 is accessible from the outside.
  • the screw 30 extends axially projecting with respect to an upper front face of the head part 40.
  • the screw comprises a head 30b which is located outside the head part 40 and axially bears against the latter.
  • the fixing sleeve 26 bears in the radial direction with the bore or inner wall of the flow conduit 20, and makes it possible to axially hold the seal 46 of the drainage device in abutment against the slab 14.
  • the fixing sleeve 26 in its rest or undeformed position, has an outside diameter smaller than that in the deformed state and which is smaller than the inside diameter of the flow conduit 20.
  • the installation of the device 10 can be carried out in the following way.
  • the drainage head 24 is put in place on the construction 12 by introducing the evacuation duct 42 of the latter and the fixing sleeve 26 in the undeformed state inside the duct. drain 20, and bringing the seal 46 axially into abutment against the slab 14 as illustrated in face 5 .
  • the drainage head 24 and the fixing sleeve 26 are introduced from top to bottom in the flow conduit 20.
  • the screw 30 is rotated by means of the head 30b so as to bring the compression washer 28 axially closer to the drainage head 24.
  • the axial rise of the compression washer 28 along the screw 30 causes the radial outward deformation of the fixing sleeve 26 in the direction of the flow conduit 20 as shown in FIG. figure 6 .
  • the axial displacement of the compression washer 28 which is fixed to the fixing sleeve 26 has the effect of constraining it radially outwards.
  • the level of radial deformation of the fixing sleeve 26 is defined by the axial position of the washer 28 of compression.
  • the screw 30 continues to be turned until the axial rise of the compression washer 28 is sufficient to bring the fixing sleeve 26 into contact against the bore of the flow conduit 20 as illustrated in figure 1 and 3 .
  • the radial contact between the outer surface of the fixing sleeve 26 and the bore of the flow conduit 20 makes it possible to ensure the fixing of the device 10 by wedging.
  • the fixing sleeve 26 is tight against the flow conduit 20.
  • the washer 28 compression in the assembled position of the device 10 with the flow conduit 20, the washer 28 compression remains axially remote from the discharge conduit 42 of the drainage head.
  • the compression washer 28 is axially bearing against the conduit. evacuation 42.
  • the compression washer 28 is equipped with a centering collar 28b which is adapted to engage around the flow conduit 20 in this case.
  • the device 10 further comprises a perforated cover 50 which surrounds the head part 40 of the drainage head 24 at a distance. is screwed onto the head 30b of the screw.
  • the cover 50 and the handle 52 are preferably put in place before assembly of the fixing sleeve 26 and of the drainage head 24 with the flow conduit 20.
  • the handle 52 can serve as an actuating member. of the screw 30.
  • the device 10 is installed on a vertical flow conduit 20 .
  • the device 10 can be installed on a flow conduit 20 inclined obliquely.
  • the shape of the head part 40 of the drainage head and the location of the water recovery passages 36, 38 can be adapted.

Abstract

Le dispositif de drainage 10 comprend :- une tête de drainage 24 délimitant intérieurement un espace de collecte 34 et pourvue d'au moins un passage 36, 38 de récupération traversant,- un manchon de fixation 26 au moins en partie déformable, solidaire de la tête de drainage 24 et apte à être engagé à l'intérieur du conduit d'écoulement 20,- une rondelle 28 de compression fixée sur le manchon de fixation 26, et- un moyen de sollicitation 30 mobile par rapport à la tête de drainage 24 et coopérant avec la rondelle 28 de compression pour obtenir, sous l'effet d'un déplacement dudit moyen de sollicitation relativement à la tête de drainage, un déplacement axial de rondelle 28 de compression du côté de la tête de drainage et une déformation radiale vers l'extérieur du manchon de fixation 26.The drainage device 10 comprises: - a drainage head 24 internally delimiting a collection space 34 and provided with at least one passing passage 36, 38 for recovery, - a fixing sleeve 26 at least partially deformable, secured to the drainage head 24 and adapted to be engaged inside the flow conduit 20, - a compression washer 28 fixed to the fixing sleeve 26, and - a biasing means 30 movable relative to the drainage head 24 and cooperating with the compression washer 28 to obtain, under the effect of a displacement of said biasing means relative to the drainage head, an axial displacement of the compression washer 28 on the side of the drainage head and a radial deformation towards the outside of the fixing sleeve 26.

Description

La présente invention concerne le domaine des dispositifs de drainage servant à l'évacuation de l'eau de pluie s'accumulant sur des parois de constructions, en particulier des toits de bâtiments et des terrasses.The present invention relates to the field of drainage devices for the evacuation of rainwater accumulating on building walls, in particular building roofs and terraces.

Généralement, les toits des bâtiments, notamment les dalles plates de toits, et les terrasses présentent des conduits d'écoulement des eaux de pluie qui les dirigent vers un réseau d'évacuation par des canalisations.Generally, the roofs of buildings, in particular the flat slabs of roofs, and the terraces have conduits for the flow of rainwater which direct them towards a drainage network by pipes.

En particulier pour éviter que le réseau d'évacuation ne soit engorgé et ne déborde, il est connu d'équiper les toits et les terrasses de dispositifs de drainage en saillie qui entourent ces conduits d'écoulement et qui présentent des passages de récupération de sorte que le débit de l'eau de pluie évacuée vers les conduits soit limité.In particular to prevent the drainage network from being clogged and overflowing, it is known to equip roofs and terraces with projecting drainage devices which surround these flow ducts and which have recovery passages so that the flow of rainwater evacuated to the pipes is limited.

La présente invention a pour but de proposer un dispositif de drainage qui soit facile à fabriquer et à installer.The present invention aims to provide a drainage device that is easy to manufacture and install.

L'invention concerne un dispositif de drainage destiné à être installé sur une construction pourvue d'un conduit d'écoulement, en particulier sur un toit d'un bâtiment ou une terrasse en vue d'évacuer l'eau de pluie.The invention relates to a drainage device intended to be installed on a construction provided with a drain, in particular on a roof of a building or a terrace in order to evacuate rainwater.

Le dispositif de drainage comprend une tête de drainage délimitant intérieurement un espace de collecte et pourvue d'au moins un passage de récupération traversant, et un manchon de fixation au moins en partie déformable, solidaire de la tête de drainage et apte à être engagé à l'intérieur du conduit d'écoulement.The drainage device comprises a drainage head internally delimiting a collection space and provided with at least one through recovery passage, and an at least partially deformable fixing sleeve, integral with the drainage head and capable of being engaged to inside the drain pipe.

Par « manchon de fixation solidaire de la tête de drainage », on entend que le manchon est fixé indirectement sur la tête de drainage par l'intermédiaire d'au moins une pièce, ou que le manchon est fixé directement sur la tête de drainage.“Fixing sleeve integral with the drainage head” means that the sleeve is fixed indirectly to the drainage head by means of at least one part, or that the sleeve is fixed directly to the drainage head.

Le dispositif de drainage comprend encore une rondelle de compression fixée sur le manchon de fixation, et un moyen de sollicitation mobile par rapport à la tête de drainage et coopérant avec la rondelle de compression pour obtenir, sous l'effet d'un déplacement dudit moyen de sollicitation relativement à la tête de drainage, un déplacement axial de rondelle de compression du côté de la tête de drainage et une déformation radiale vers l'extérieur du manchon de fixation.The drainage device further comprises a compression washer fixed to the fixing sleeve, and a biasing means movable relative to the drainage head and cooperating with the compression washer to obtain, under the effect of a displacement of said biasing means relative to the drainage head, an axial displacement of the compression washer on the side of the drainage head and a radial outward deformation of the sleeve of fixation.

La fixation du dispositif de drainage au conduit d'écoulement de la construction peut ainsi être réalisée par actionnement du moyen de sollicitation qui permet d'obtenir la déformation radiale vers l'extérieur du manchon de fixation jusqu'à ce qu'il vienne s'appuyer et s'écraser contre l'alésage du conduit d'écoulement. Le déplacement axial de la rondelle de compression provoque le serrage et le pincement du manchon de fixation entre celle-ci et la tête de drainage.The fixing of the drainage device to the flow conduit of the construction can thus be carried out by actuating the biasing means which makes it possible to obtain the radial deformation towards the outside of the fixing sleeve until it comes press and crash against the bore of the flow conduit. The axial movement of the compression washer causes the clamping and pinching of the fixing sleeve between it and the drainage head.

Le blocage du dispositif de drainage est obtenu par coincement du manchon de fixation contre le conduit d'écoulement.The blocking of the drainage device is obtained by wedging the fixing sleeve against the flow conduit.

En outre, compte tenu du caractère déformable du manchon de fixation, le dispositif de drainage peut être installé sur des conduits d'écoulement présentant des diamètres différents. Le manchon de fixation permet par ailleurs d'assurer une fonction d'étanchéité avec le conduit d'écoulement.In addition, given the deformable nature of the fixing sleeve, the drainage device can be installed on flow conduits having different diameters. The fixing sleeve also makes it possible to ensure a sealing function with the flow conduit.

Dans un mode de réalisation préféré, le moyen de sollicitation coopère par vissage avec la rondelle de compression. Le moyen de sollicitation peut par exemple comprendre au moins une vis ou une tige en prise avec la rondelle de compression. Dans ce cas, le moyen de sollicitation est mobile à rotation par rapport à la tête de drainage.In a preferred embodiment, the biasing means cooperates by screwing with the compression washer. The biasing means may for example comprise at least one screw or a rod engaging with the compression washer. In this case, the biasing means is rotatable relative to the drainage head.

Alternativement, il pourrait être possible de prévoir un déplacement par translation du moyen de sollicitation relativement à la tête de drainage pour obtenir la déformation radiale du manchon de fixation. Dans ce cas, il convient que le dispositif soit équipé de moyens de blocage en position du moyen de sollicitation dans la position déformée du manchon.Alternatively, it could be possible to provide a movement by translation of the biasing means relative to the drainage head to obtain the radial deformation of the fixing sleeve. In this case, the device should be equipped with means for locking in position the biasing means in the deformed position of the sleeve.

Dans un autre mode de réalisation, il pourrait encore être possible de prévoir que le moyen de sollicitation soit mobile à rotation et en translation relativement à la tête de drainage.In another embodiment, it could also be possible to provide for the biasing means to be mobile in rotation and in translation relative to the drainage head.

Dans un mode de réalisation, le moyen de sollicitation s'étend en partie à l'intérieur de la tête de drainage, et relie la tête de drainage et la rondelle de compression. Le moyen de sollicitation peut par exemple comprendre une vis ou une tige centrale en prise avec la rondelle de compression.In one embodiment, the biasing means extends partially within the drain head, and connects the drain head and the compression washer. The biasing means may for example comprise a screw or a central rod in engagement with the compression washer.

Avantageusement le moyen de sollicitation s'étend axialement et est accessible depuis l'extérieur de la tête de drainage. De préférence, le moyen de sollicitation s'étend axialement en saillie par rapport à une face frontale supérieure de la tête de drainage.Advantageously, the biasing means extends axially and is accessible from outside the drainage head. Preferably, the biasing means extends axially projecting relative to an upper front face of the drainage head.

La rondelle de compression peut être fixée à une extrémité axiale du manchon de fixation qui est orientée axialement du côté opposé à la tête de drainage. Alternativement, la rondelle de compression peut être fixée à distance de cette extrémité axiale.The compression washer can be fixed to an axial end of the fixing sleeve which is axially oriented on the side opposite the drainage head. Alternatively, the compression washer can be fixed at a distance from this axial end.

Le manchon de fixation peut entourer en partie la tête de drainage. Le manchon de fixation présente, en position de repos, un diamètre extérieur inférieur au diamètre intérieur du conduit d'écoulement.The attachment sleeve may partially surround the drainage head. The fixing sleeve has, in the rest position, an outer diameter smaller than the inner diameter of the flow conduit.

De préférence, la rondelle de compression est pourvue d'au moins un évidement traversant pour le passage des eaux pluviales.Preferably, the compression washer is provided with at least one through recess for the passage of rainwater.

Dans un mode de réalisation particulier, le dispositif comprend en outre une rondelle de montage fixée sur la tête de drainage et sur laquelle est fixé le manchon de fixation.In a particular embodiment, the device further comprises a mounting washer fixed to the drainage head and on which the fixing sleeve is fixed.

La rondelle de montage peut être fixée à une extrémité axiale du manchon de fixation orientée axialement du côté de la tête de drainage. Alternativement, la rondelle de montage peut être fixée à distance de cette extrémité axiale.The mounting washer can be fixed to an axial end of the fixing sleeve facing axially on the side of the drainage head. Alternatively, the mounting washer can be fixed at a distance from this axial end.

Comme indiqué précédemment, le moyen de sollicitation peut s'étendre en partie à l'intérieur de la tête de drainage. Dans un autre mode de réalisation, le moyen de sollicitation est situé entièrement hors de la tête de drainage. Dans ce cas, le moyen de sollicitation peut comprendre une pluralité de vis espacées les unes par rapport aux autres dans le sens circonférentiel, s'étendant à travers la rondelle de montage et venant en prise avec la rondelle de compression pour obtenir la déformation du manchon de fixation lors de la rotation des vis. Dans ce cas, le manchon s'étend axialement entre les rondelles de montage et de compression.As previously indicated, the biasing means may extend partially within the drain head. In another embodiment, the biasing means is located entirely outside the drainage head. In this case, the biasing means may comprise a plurality of screws spaced apart from each other in the circumferential direction, extending through the mounting washer and engaging the compression washer to obtain the deformation of the sleeve. fixation during the rotation of the screws. In this case, the sleeve extends axially between the mounting and compression washers.

Dans un autre mode de réalisation particulier, le manchon de fixation pourrait être fixé directement sur la tête de drainage sans interposition de la rondelle de montage.In another particular embodiment, the fixing sleeve could be fixed directly to the drainage head without interposing the mounting washer.

La tête de drainage peut comprendre au moins une partie de tête délimitant intérieurement l'espace de collecte et pourvue dudit passage de récupération traversant, et un épaulement délimitant axialement la partie de tête.The drainage head may comprise at least one head part internally delimiting the collection space and provided with said through recovery passage, and a shoulder axially delimiting the head part.

De préférence, le manchon de fixation s'étend entièrement du côté opposé à l'espace de collecte de la partie de tête par rapport à l'épaulement.Preferably, the fixation sleeve extends entirely on the side opposite the collection space of the head part with respect to the shoulder.

Dans un mode de réalisation, la tête de drainage comprend en outre un conduit d'évacuation, l'épaulement étant formé entre le conduit d'évacuation et la partie de tête.In one embodiment, the drain head further includes a drain duct, the shoulder being formed between the drain duct and the head portion.

Dans ce cas, le manchon de fixation peut être solidaire du conduit d'évacuation.In this case, the fixing sleeve can be integral with the evacuation duct.

Alternativement, indépendamment de la présence ou non du conduit d'évacuation, le manchon de fixation peut être solidaire de l'épaulement.Alternatively, independently of the presence or not of the evacuation duct, the fixing sleeve can be secured to the shoulder.

Dans un mode de réalisation, le dispositif de drainage peut comprendre en outre un joint d'étanchéité monté autour du conduit d'évacuation et disposé axialement entre l'épaulement de la tête de drainage et le manchon de fixation. Le joint d'étanchéité peut être interposé axialement entre l'épaulement de la tête de drainage et la rondelle de montage.In one embodiment, the drainage device may further comprise a seal mounted around the evacuation conduit and disposed axially between the shoulder of the drainage head and the fixing sleeve. The gasket may be interposed axially between the shoulder of the drainage head and the mounting washer.

De préférence, le manchon de fixation est entièrement déformable.Preferably, the fixing sleeve is entirely deformable.

Le manchon de fixation peut être réalisé au moins en partie dans un matériau déformable, notamment dans un matériau déformable élastiquement. La rondelle de compression, et la rondelle de montage lorsque celle-ci est prévue, peuvent être réalisées au moins en partie dans un matériau rigide.The fixing sleeve can be made at least in part from a deformable material, in particular from an elastically deformable material. The compression washer, and the mounting washer when the latter is provided, can be made at least in part from a rigid material.

Avantageusement, le manchon de fixation présente une forme tubulaire. De préférence, le manchon de fixation est dépourvu d'ouverture traversante ménagée dans son épaisseur. Alternativement, il reste cependant possible de prévoir de telle(s) ouverture(s).Advantageously, the fixing sleeve has a tubular shape. Preferably, the fixing sleeve has no through-opening formed in its thickness. Alternatively, it remains possible to provide such opening(s).

La présente invention sera mieux comprise à la lecture de la description détaillée de modes de réalisation pris à titre d'exemples nullement limitatifs et illustrés par les dessins annexés sur lesquels :

  • [Fig 1] est une vue en coupe axiale d'un dispositif de drainage selon un exemple de réalisation de l'invention, en position installée sur la dalle d'un bâtiment,
  • [Fig 2] est une vue en perspective du dispositif de drainage de la figure 1 assemblé avec un conduit d'écoulement,
  • [Fig 3] est une vue de détail de la figure 1,
  • [Fig 4] est une vue en perspective du dispositif de drainage de la figure 1,
  • [Fig 5] et
  • [Fig 6] sont des vues en coupe axiale illustrant l'assemblage du dispositif de drainage de la figure 1.
The present invention will be better understood on reading the detailed description of embodiments taken by way of non-limiting examples and illustrated by the appended drawings in which:
  • [ Fig 1 ] is a view in axial section of a drainage device according to an exemplary embodiment of the invention, in the position installed on the slab of a building,
  • [ Fig 2 ] is a perspective view of the drainage device of the figure 1 assembled with a flow conduit,
  • [ Fig.3 ] is a detail view of the figure 1 ,
  • [ Fig 4 ] is a perspective view of the drainage device of the figure 1 ,
  • [ Fig.5 ] and
  • [ Fig 6 ] are views in axial section illustrating the assembly of the drainage device of the figure 1 .

Sur la figure 1 est représenté un dispositif de drainage 10 qui est installé sur une construction 12 comprenant une dalle 14 d'un toit plat ou en pente, dans le but d'évacuer l'eau se trouvant au-dessus de cette dalle. Un trou 16 est ménagé au travers de la dalle 14 qui comprend un recouvrement d'étanchéité 18 du côté extérieur.On the figure 1 there is shown a drainage device 10 which is installed on a construction 12 comprising a slab 14 of a flat or sloping roof, in order to evacuate the water lying above this slab. A hole 16 is made through the slab 14 which includes a sealing cover 18 on the outside.

Le dispositif de drainage 10 est assemblé avec un conduit d'écoulement 20 de la construction qui est disposé au travers du trou vertical 16. Sur la figure 1, le dispositif 10 et le conduit d'écoulement 20 sont représentés dans un position supposée verticale. Le conduit d'écoulement 20 est équipé d'une membrane 22 qui est recouverte par le recouvrement d'étanchéité 18. Le conduit d'écoulement 20 est destiné à évacuer l'eau de pluie s'accumulant sur la dalle 14 du côté extérieur.The drainage device 10 is assembled with a drainage conduit 20 of the construction which is disposed through the vertical hole 16. On the figure 1 , the device 10 and the flow conduit 20 are shown in a position assumed to be vertical. The drain 20 is equipped with a membrane 22 which is covered by the sealing cover 18. The drain 20 is intended to evacuate the rainwater accumulating on the slab 14 on the outside.

Le dispositif de drainage 10 comprend une tête de drainage 24, d'axe X-X', un manchon de fixation 26 solidaire de la tête de drainage, une platine ou rondelle 28 de compression fixée sur le manchon de fixation, et une vis 30 s'étendant dans la tête de drainage et venant en prise avec la rondelle 28 de compression.The drainage device 10 comprises a drainage head 24, of axis X-X', a fixing sleeve 26 secured to the drainage head, a plate or compression washer 28 fixed to the attachment, and a screw 30 extending into the drain head and engaging the compression washer 28.

Comme cela sera décrit plus en détail par la suite, la rotation de la vis 30 permet, par l'intermédiaire de la rondelle 28 de compression, de solliciter le manchon de fixation 26 et d'obtenir sa déformation radiale vers l'extérieur.As will be described in more detail below, the rotation of the screw 30 makes it possible, via the compression washer 28, to stress the fixing sleeve 26 and to obtain its radial outward deformation.

Dans l'exemple de réalisation illustré, le dispositif de drainage 10 comprend également une platine ou rondelle 32 de montage pour assurer la fixation du manchon de fixation 26 sur la tête de drainage 24.In the illustrated embodiment, the drainage device 10 also comprises a mounting plate or washer 32 to ensure the fixing of the fixing sleeve 26 on the drainage head 24.

La tête de drainage 24 délimite intérieurement un espace de collecte 34 de l'eau de pluie qui est destiné à communiquer avec l'extérieur et avec le conduit d'écoulement 20.The drainage head 24 internally delimits a collection space 34 for rainwater which is intended to communicate with the outside and with the flow conduit 20.

La tête de drainage 24 est pourvue de passages de récupération 36, 38 (figure 2) de l'eau qui sont prévus pour laisser entrer l'eau, qui se trouve autour de la tête au-dessus de la dalle 14, dans l'espace de collecte 34, de sorte que l'eau soit évacuée par le conduit d'écoulement 20 depuis cet espace. Les passages de récupération 36, 38 traversent l'épaisseur de la tête de drainage.Drain head 24 is provided with recovery passages 36, 38 ( figure 2 ) water which are provided to let the water, which is around the head above the slab 14, enter the collection space 34, so that the water is evacuated through the conduit d flow 20 from this space. The recovery passages 36, 38 pass through the thickness of the drainage head.

Dans l'exemple de réalisation illustré, la tête de drainage 24 comprend un passage de récupération 36 inférieur traversant, et une pluralité de passages de récupération 38 supérieurs qui sont décalés verticalement au-dessus du passage de récupération 36. Le passage de récupération 36 inférieur est ménagé sur la tête de drainage 24 de sorte à être situé au voisinage de la membrane 22 du conduit d'écoulement. Les passages de récupération 38 supérieurs sont situés ici au voisinage de l'extrémité supérieure de la tête de drainage 24. Les passages de récupération 38 supérieurs présentent une section de passage supérieure à celle du passage de récupération 36 inférieur. En variante, la tête de drainage 24 pourrait être pourvue d'une pluralité de passages de récupération 36 inférieurs disposés ou non à une même hauteur. Dans une autre variante, la tête de drainage 24 pourrait être pourvue d'un unique passage de récupération traversant.In the illustrated embodiment, the drainage head 24 comprises a lower recovery passage 36 passing through, and a plurality of upper recovery passages 38 which are offset vertically above the recovery passage 36. The lower recovery passage 36 is provided on the drainage head 24 so as to be located in the vicinity of the membrane 22 of the flow conduit. The upper recovery passages 38 are located here in the vicinity of the upper end of the drainage head 24. The upper recovery passages 38 have a passage section greater than that of the lower recovery passage 36. As a variant, the drainage head 24 could be provided with a plurality of lower recovery passages 36 arranged or not at the same height. In another variant, the drainage head 24 could be provided with a single through recovery passage.

En se référant de nouveau à la figure 1, la tête de drainage 24 comprend une partie de tête 40 et un conduit d'évacuation 42 prolongeant axialement la partie de tête 40. Un épaulement radial 44 annulaire est formé entre le conduit d'évacuation 42 et la partie de tête 40. La partie de tête 40 et le conduit d'évacuation 42 sont disposés axialement de part et d'autre de l'épaulement radial 44. Le conduit d'évacuation 42 s'étend ici à partir de l'épaulement 44 du côté opposé à la partie de tête 40. L'épaulement 44 est formé par la différence de diamètre entre la partie de tête 40 et le conduit d'évacuation 42. Dans l'exemple de réalisation illustré, la partie de tête 40 présente une forme en cloche.Referring again to the figure 1 , the drain head 24 includes a head portion 40 and a drain duct 42 axially extending the head part 40. An annular radial shoulder 44 is formed between the exhaust duct 42 and the head part 40. The head part 40 and the exhaust duct 42 are disposed axially on either side of the radial shoulder 44. The exhaust duct 42 extends here from the shoulder 44 on the side opposite the head part 40. The shoulder 44 is formed by the difference in diameter between the head part 40 and the exhaust duct 42. In the illustrated embodiment, the head part 40 has a bell shape.

L'épaulement radial 44 a pour fonction de réaliser le positionnement de la tête de drainage 24 par rapport à la dalle 14. La partie de tête 40 de la tête de drainage est située au-dessus de la dalle 14, et le conduit d'évacuation 42 s'étend à l'intérieur du trou 16 de celle-ci et s'engage sans contact dans le conduit d'écoulement 20.The radial shoulder 44 has the function of carrying out the positioning of the drainage head 24 with respect to the slab 14. The head part 40 of the drainage head is located above the slab 14, and the evacuation 42 extends inside the hole 16 thereof and engages without contact in the flow conduit 20.

La partie de tête 40 de la tête de drainage délimite intérieurement l'espace de collecte 34. Les passages de récupération 36, 38 (figure 2) de la tête de drainage 24 sont ménagés sur la partie de tête 40. Le conduit d'évacuation 42 est en communication directe avec l'espace de collecte 34.The head portion 40 of the drainage head internally delimits the collection space 34. The recovery passages 36, 38 ( figure 2 ) of the drainage head 24 are provided on the head part 40. The evacuation conduit 42 is in direct communication with the collection space 34.

Lorsque l'eau se trouve autour de la tête de drainage 24 du dispositif au-dessus de la dalle 14, elle s'écoule au travers du passage de récupération 36 inférieur vers l'espace de collecte 34, puis depuis cet espace à l'intérieur du conduit d'évacuation 42 et du conduit d'écoulement 20. Si le débit de l'eau au travers du passage de récupération 36 inférieur est insuffisant compte tenu des précipitations, le niveau de l'eau au-dessus de la dalle 14 monte jusqu'à atteindre les passages de récupération 38 supérieurs qui assurent le déversement de l'eau dans l'espace de collecte 34 puis l'évacuation par le conduit d'évacuation 42 et le conduit d'écoulement 20, à un débit plus grand que celui qui est possible par le passage de récupération 36 inférieur.When the water is around the drainage head 24 of the device above the slab 14, it flows through the lower recovery passage 36 to the collection space 34, then from this space to the inside the evacuation conduit 42 and the flow conduit 20. If the flow of water through the lower recovery passage 36 is insufficient in view of the precipitation, the water level above the slab 14 rises until reaching the upper recovery passages 38 which ensure the discharge of the water into the collection space 34 then the evacuation via the evacuation conduit 42 and the flow conduit 20, at a greater flow rate than that which is possible through the lower recovery passage 36.

Dans l'exemple de réalisation illustré, la tête de drainage 24 est réalisée en une seule pièce. En variante, la partie de tête 40 et le conduit d'évacuation 42 pourraient être formés par deux pièces distinctes assemblées l'une avec l'autre. La tête de drainage 24 peut être réalisée en matière métallique, par exemple en tôle.In the illustrated embodiment, the drainage head 24 is made in one piece. Alternatively, the head part 40 and the evacuation duct 42 could be formed by two separate parts assembled with each other. The drainage head 24 can be made of metallic material, for example sheet metal.

Le manchon de fixation 26, d'axe X-X', est monté sur la tête de drainage 24. Le manchon de fixation 26 est monté sur le conduit d'évacuation 42 de la tête de drainage.The fixing sleeve 26, of axis X-X', is mounted on the drainage head 24. The fixing sleeve 26 is mounted on the evacuation duct 42 of the drainage head.

Comme indiqué précédemment, dans cet exemple, la rondelle 32 de montage est prévue pour assurer la fixation du manchon de fixation 26 sur la tête de drainage 24. Le manchon de fixation 26 est fixé sur la rondelle 32 qui est elle-même fixée sur la tête de drainage 24. Une extrémité axiale du manchon de fixation 26 est fixée sur la tête de drainage 24, l'autre extrémité axiale du manchon étant libre par rapport à la tête de drainage.As indicated above, in this example, the mounting washer 32 is provided to ensure the fixing of the fixing sleeve 26 on the drainage head 24. The fixing sleeve 26 is fixed on the washer 32 which is itself fixed on the drainage head 24. One axial end of the fixing sleeve 26 is fixed to the drainage head 24, the other axial end of the sleeve being free with respect to the drainage head.

Comme illustré plus visiblement à la figure 3, la rondelle 32 de montage est fixée sur le conduit d'évacuation 42 de la tête de drainage. La rondelle 32 de montage est fixée sur le conduit d'évacuation 42 par tout moyen approprié, par exemple par emmanchement serré.As illustrated more visibly in picture 3 , the mounting washer 32 is attached to the drain duct 42 of the drain head. The assembly washer 32 is fixed to the exhaust duct 42 by any appropriate means, for example by tight fitting.

La rondelle 32 de montage comprend une embase 32a de fixation annulaire fixée sur le conduit d'évacuation 42 de la tête de drainage, et une collerette 32b annulaire prolongeant vers l'extérieur l'embase 32a. La collerette 32b prolonge radialement vers l'extérieur une extrémité axiale de l'embase 32a. La rondelle 32 de montage peut par exemple être réalisée en matière métallique ou encore en matière plastique rigide ou en caoutchouc rigide.The assembly washer 32 comprises an annular fixing base 32a fixed to the evacuation duct 42 of the drainage head, and an annular flange 32b extending the base 32a outwards. The flange 32b extends radially outwards an axial end of the base 32a. The mounting washer 32 can for example be made of metallic material or else of rigid plastic material or rigid rubber.

L'extrémité axiale du manchon de fixation 26 qui est orientée axialement du côté de la partie de tête 40 de la tête de drainage est fixée à la rondelle 32 de montage. Le manchon de fixation 26 est fixé sur la collerette 32b de la rondelle de montage. Le manchon de fixation 26 est fixé sur la rondelle 32 de montage par tout moyen approprié, par exemple par collage, par fixation mécanique, par surmoulage, par thermosoudage, etc.The axial end of the fixing sleeve 26 which faces axially towards the head part 40 of the drainage head is fixed to the mounting washer 32. The fixing sleeve 26 is fixed on the flange 32b of the mounting washer. The fixing sleeve 26 is fixed to the mounting washer 32 by any appropriate means, for example by gluing, by mechanical fixing, by overmolding, by heat sealing, etc.

Le dispositif 10 comprend encore un joint d'étanchéité 46 monté autour du conduit d'évacuation 42 de la tête de drainage et interposé axialement entre l'épaulement 44 de la tête de drainage et la rondelle 32 de montage. Le joint d'étanchéité 46 est de forme annulaire et centré sur l'axe X-X'. Le joint d'étanchéité 46 vient axialement en appui contre la surface extérieure de la dalle du bâtiment, ici le recouvrement d'étanchéité 18. Le joint d'étanchéité 46 peut par exemple être réalisé en élastomère, notamment en caoutchouc.The device 10 further comprises a seal 46 mounted around the discharge conduit 42 of the drainage head and interposed axially between the shoulder 44 of the drainage head and the washer 32 for mounting. The seal 46 is annular in shape and centered on the X-X' axis. The seal 46 bears axially against the outer surface of the slab of the building, here the sealing cover 18. The seal 46 can for example be made of elastomer, in particular rubber.

La rondelle 28 de compression est fixée sur le manchon de fixation axialement à l'opposé de la rondelle 32 de montage. La rondelle 28 de compression est fixée à l'extrémité axiale du manchon de fixation 26 qui orientée axialement du côté opposé à la tête de drainage 24.The compression washer 28 is fixed to the fixing sleeve axially opposite the mounting washer 32. The compression washer 28 is attached to the axial end of the attachment sleeve 26 which axially faces away from the drain head 24.

La rondelle 28 de compression est pourvue d'une pluralité d'évidements 48 traversants (Figure 4) pour le passage des eaux pluviales. Les évidements 48 traversent l'épaisseur axiale de la rondelle 28. La rondelle 28 de compression est équipée d'un alésage 28a taraudé. L'alésage 28a est centré sur l'axe X-X'. La rondelle 28 de compression peut par exemple être réalisée en matière métallique ou encore en matière plastique rigide ou en caoutchouc rigide.The compression washer 28 is provided with a plurality of through recesses 48 ( Figure 4 ) for the passage of rainwater. The recesses 48 pass through the axial thickness of the washer 28. The compression washer 28 is equipped with a threaded bore 28a. Bore 28a is centered on axis X-X'. The compression washer 28 can for example be made of metallic material or else of rigid plastic material or rigid rubber.

Le manchon de fixation 26 est fixé sur la rondelle 28 de compression par tout moyen approprié, par exemple par collage, par fixation mécanique, par surmoulage, par thermosoudage, etc.The fixing sleeve 26 is fixed to the compression washer 28 by any suitable means, for example by gluing, by mechanical fixing, by overmoulding, by heat sealing, etc.

Le manchon de fixation 26 se présente ici sous la forme d'un fourreau tubulaire. Le manchon de fixation 26 entoure radialement le conduit d'évacuation 42 de la tête de drainage. Le manchon de fixation 26 reste radialement à distance du conduit d'évacuation 42. Le manchon de fixation 26 s'étend axialement au-delà du conduit d'évacuation 42. Le manchon de fixation 26 est déformable. De préférence, le manchon de fixation 26 est réalisé dans un matériau déformable, notamment dans un matériau déformable élastiquement. Le manchon de fixation 26 peut par exemple être réalisé en élastomère, notamment en EPDM, ou encore en silicone, en polyuréthane souple, en caoutchouc, etc.The fixing sleeve 26 is here in the form of a tubular sheath. The fixing sleeve 26 radially surrounds the evacuation conduit 42 of the drainage head. The fixing sleeve 26 remains radially at a distance from the evacuation duct 42. The fixing sleeve 26 extends axially beyond the evacuation duct 42. The fixing sleeve 26 is deformable. Preferably, the fixing sleeve 26 is made of a deformable material, in particular an elastically deformable material. The fixing sleeve 26 can for example be made of elastomer, in particular of EPDM, or else of silicone, flexible polyurethane, rubber, etc.

Dans l'exemple de réalisation illustré, le manchon de fixation 26 est fabriqué de façon séparée des rondelles 28 de compression et 32 de montage avant assemblage pour obtenir un ensemble unitaire. Alternativement, il est possible de fabriquer le manchon de fixation 26 et les rondelles 28, 32 par bi-injection d'une matière déformable pour le manchon et d'une matière rigide pour les rondelles 28, 32.In the illustrated embodiment, the fixing sleeve 26 is manufactured separately from the compression washers 28 and 32 for assembly before assembly to obtain a unitary assembly. Alternatively, it is possible to manufacture the fixing sleeve 26 and the washers 28, 32 by bi-injection of a deformable material for the sleeve and a rigid material for the washers 28, 32.

Comme cela sera décrit plus en détail par la suite, le manchon de fixation 26 est apte à assurer la fixation du dispositif 10 relativement au conduit d'écoulement 20 par déformation et contact du manchon de fixation contre-celui-ci.As will be described in more detail below, the fixing sleeve 26 is capable of ensuring the fixing of the device 10 relative to the flow conduit 20 by deformation and contact of the fixing sleeve against the latter.

La vis 30, d'axe X-X', relie la tête de drainage 24 et le manchon de fixation 26. La vis 30 s'étend axialement à l'intérieur de la tête de drainage 24 et en saillie axiale par rapport à celle-ci du côté de la rondelle 28 de compression et du manchon de fixation 26. La vis 30 s'étend axialement à l'intérieur du conduit d'évacuation 42 de la tête de drainage. La vis 30 est en prise avec l'alésage 28a taraudé de la rondelle de compression. La surface extérieure de la vis 30 comprend à cet effet un filetage 30a extérieur. La vis 30 se présente sous la forme d'une tige.The screw 30, of axis X-X', connects the drainage head 24 and the fixing sleeve 26. The screw 30 extends axially inside the drainage head 24 and in axial projection with respect to that -ci on the side of the compression washer 28 and of the fixing sleeve 26. The screw 30 extends axially inside the evacuation conduit 42 of the drainage head. The screw 30 engages the threaded bore 28a of the compression washer. The outer surface of the screw 30 comprises for this purpose an external thread 30a. The screw 30 is in the form of a rod.

La vis 30 s'étend axialement au travers de la partie de tête 40 de la tête de drainage. La vis 30 est accessible depuis l'extérieur. La vis 30 s'étend axialement en saillie par rapport à une face frontale supérieure de la partie de tête 40. La vis comprend une tête 30b qui est située hors de la partie de tête 40 et axialement en appui contre celle-ci.Screw 30 extends axially through head portion 40 of the drain head. Screw 30 is accessible from the outside. The screw 30 extends axially projecting with respect to an upper front face of the head part 40. The screw comprises a head 30b which is located outside the head part 40 and axially bears against the latter.

En position installée comme cela est illustré aux figures 1 et 3, le manchon de fixation 26 est en appui dans le sens radial avec l'alésage ou paroi interne du conduit d'écoulement 20, et permet de maintenir axialement le joint d'étanchéité 46 du dispositif de drainage en appui contre la dalle 14.In the installed position as shown in figure 1 and 3 , the fixing sleeve 26 bears in the radial direction with the bore or inner wall of the flow conduit 20, and makes it possible to axially hold the seal 46 of the drainage device in abutment against the slab 14.

Comme illustré à la figure 5, dans sa position de repos ou non déformé, le manchon de fixation 26 présente un diamètre extérieur inférieur à celui à l'état déformé et qui est inférieur au diamètre intérieur du conduit d'écoulement 20.As shown in figure 5 , in its rest or undeformed position, the fixing sleeve 26 has an outside diameter smaller than that in the deformed state and which is smaller than the inside diameter of the flow conduit 20.

L'installation du dispositif 10 peut être réalisée de la manière suivante.The installation of the device 10 can be carried out in the following way.

Dans une première étape, on met en place la tête de drainage 24 sur la construction 12 en introduisant le conduit d'évacuation 42 de celle-ci et le manchon de fixation 26 à l'état non déformé à l'intérieur du conduit d'écoulement 20, et en amenant le joint d'étanchéité 46 axialement en appui contre la dalle 14 comme cela est illustré à la figure 5. La tête de drainage 24 et le manchon de fixation 26 sont introduits du haut vers le bas dans le conduit d'écoulement 20.In a first step, the drainage head 24 is put in place on the construction 12 by introducing the evacuation duct 42 of the latter and the fixing sleeve 26 in the undeformed state inside the duct. drain 20, and bringing the seal 46 axially into abutment against the slab 14 as illustrated in face 5 . The drainage head 24 and the fixing sleeve 26 are introduced from top to bottom in the flow conduit 20.

Lors de cette introduction, il n'existe aucun contact dans le sens radial entre le manchon de fixation 26 du dispositif et le conduit d'écoulement 20 équipant la dalle 14.During this introduction, there is no contact in the radial direction between the fixing sleeve 26 of the device and the flow conduit 20 fitted to the slab 14.

Ensuite, dans une deuxième étape, on entraîne en rotation la vis 30 par l'intermédiaire de la tête 30b de sorte à rapprocher axialement la rondelle 28 de compression vers la tête de drainage 24. La remontée axiale de rondelle 28 de compression le long de la vis 30 provoque la déformation radiale vers l'extérieur du manchon de fixation 26 en direction du conduit d'écoulement 20 comme cela est illustré à la figure 6. En effet, le déplacement axial de la rondelle 28 de compression qui est fixée au manchon de fixation 26 a pour effet de le contraindre radialement vers l'extérieur. Le niveau de déformation radiale du manchon de fixation 26 est défini par la position axiale de rondelle 28 de compression.Then, in a second step, the screw 30 is rotated by means of the head 30b so as to bring the compression washer 28 axially closer to the drainage head 24. The axial rise of the compression washer 28 along the screw 30 causes the radial outward deformation of the fixing sleeve 26 in the direction of the flow conduit 20 as shown in FIG. figure 6 . Indeed, the axial displacement of the compression washer 28 which is fixed to the fixing sleeve 26 has the effect of constraining it radially outwards. The level of radial deformation of the fixing sleeve 26 is defined by the axial position of the washer 28 of compression.

On continue de tourner la vis 30 jusqu'à ce que la remontée axiale de la rondelle 28 de compression soit suffisante pour amener le manchon de fixation 26 en contact contre l'alésage du conduit d'écoulement 20 comme illustré aux figures 1 et 3.The screw 30 continues to be turned until the axial rise of the compression washer 28 is sufficient to bring the fixing sleeve 26 into contact against the bore of the flow conduit 20 as illustrated in figure 1 and 3 .

Le contact radial entre la surface extérieure du manchon de fixation 26 et l'alésage du conduit d'écoulement 20 permet d'assurer la fixation du dispositif 10 par coincement. Le manchon de fixation 26 est serré contre le conduit d'écoulement 20.The radial contact between the outer surface of the fixing sleeve 26 and the bore of the flow conduit 20 makes it possible to ensure the fixing of the device 10 by wedging. The fixing sleeve 26 is tight against the flow conduit 20.

Une fois que la déformation radiale du manchon de fixation 26 par la rondelle 28 de compression est suffisante pour obtenir le blocage du dispositif 10, si l'on poursuit l'entraînement en rotation de la vis 30, cela accentue encore la déformation du manchon 26 de fixation et comprime axialement le joint d'étanchéité 46 entre la dalle 14 et l'épaulement 44 de la tête de drainage. Ceci permet d'assurer un bon plaquage axial du joint d'étanchéité 46 et de la tête de drainage 24 contre la dalle 14.Once the radial deformation of the fixing sleeve 26 by the compression washer 28 is sufficient to obtain the blocking of the device 10, if one continues to drive the screw 30 in rotation, this further accentuates the deformation of the sleeve 26 fixing and axially compresses the seal 46 between the slab 14 and the shoulder 44 of the drainage head. This ensures good axial pressing of the seal 46 and the drainage head 24 against the slab 14.

Dans l'exemple de réalisation illustré, dans la position assemblée du dispositif 10 avec le conduit d'écoulement 20, la rondelle 28 de compression reste axialement à distance du conduit d'évacuation 42 de la tête de drainage. Selon le diamètre interne du conduit d'écoulement 20 et le degré de déformation nécessaire du manchon de fixation 26 pour obtenir le coincement du dispositif 10, dans la position assemblée, il est possible que la rondelle 28 de compression soit axialement en appui contre le conduit d'évacuation 42. La rondelle 28 de compression est équipée d'une collerette 28b de centrage qui est apte à s'engager autour du conduit d'écoulement 20 dans ce cas.In the illustrated embodiment, in the assembled position of the device 10 with the flow conduit 20, the washer 28 compression remains axially remote from the discharge conduit 42 of the drainage head. Depending on the internal diameter of the flow conduit 20 and the degree of deformation necessary of the fixing sleeve 26 to obtain the wedging of the device 10, in the assembled position, it is possible that the compression washer 28 is axially bearing against the conduit. evacuation 42. The compression washer 28 is equipped with a centering collar 28b which is adapted to engage around the flow conduit 20 in this case.

Comme cela est visible notamment à la figure 1, le dispositif 10 comprend encore un capot 50 perforé qui entoure à distance la partie de tête 40 de la tête de drainage 24. Le capot 50 est monté en appui contre la dalle 14. Le capot 50 est maintenu grâce à une poignée 52 traversante qui vient se visser sur la tête 30b de la vis. Le capot 50 et la poignée 52 sont de préférence mis en place avant assemblage du manchon de fixation 26 et de la tête de drainage 24 avec le conduit d'écoulement 20. Dans ce cas, la poignée 52 peut servir d'organe d'actionnement de la vis 30. Alternativement, il est possible de mettre en place le capot 50 et la poignée 52 après assemblage du manchon de fixation 26 et de la tête de drainage 24 avec le conduit d'écoulement 20As can be seen in particular in the figure 1 , the device 10 further comprises a perforated cover 50 which surrounds the head part 40 of the drainage head 24 at a distance. is screwed onto the head 30b of the screw. The cover 50 and the handle 52 are preferably put in place before assembly of the fixing sleeve 26 and of the drainage head 24 with the flow conduit 20. In this case, the handle 52 can serve as an actuating member. of the screw 30. Alternatively, it is possible to set up the cover 50 and the handle 52 after assembling the fixing sleeve 26 and the drainage head 24 with the flow conduit 20

Dans l'exemple de réalisation illustré, le dispositif 10 est installé sur un conduit d'écoulement 20 vertical. Le dispositif 10 peut être installé sur un conduit d'écoulement 20 incliné obliquement. Dans ce cas, la forme de la partie de tête 40 de la tête de drainage et la localisation des passages de récupération 36, 38 d'eau peuvent être adaptés.In the illustrated embodiment, the device 10 is installed on a vertical flow conduit 20 . The device 10 can be installed on a flow conduit 20 inclined obliquely. In this case, the shape of the head part 40 of the drainage head and the location of the water recovery passages 36, 38 can be adapted.

Claims (15)

Dispositif de drainage (10) destiné à être installé sur une construction pourvue d'un conduit d'écoulement (20), en particulier sur un toit d'un bâtiment ou une terrasse en vue d'évacuer l'eau de pluie, le dispositif comprenant : - une tête de drainage (24) délimitant intérieurement un espace de collecte (34) et pourvue d'au moins un passage (36, 38) de récupération traversant, - un manchon de fixation (26) au moins en partie déformable, solidaire de la tête de drainage (24) et apte à être engagé à l'intérieur du conduit d'écoulement (20), - une rondelle (28) de compression fixée sur le manchon de fixation (26), et - un moyen de sollicitation (30) mobile par rapport à la tête de drainage (24) et coopérant avec la rondelle (28) de compression pour obtenir, sous l'effet d'un déplacement dudit moyen de sollicitation relativement à la tête de drainage, un déplacement axial de rondelle (28) de compression du côté de la tête de drainage et une déformation radiale vers l'extérieur du manchon de fixation (26). Drainage device (10) intended to be installed on a construction provided with a drain pipe (20), in particular on a roof of a building or a terrace with a view to evacuating rainwater, the device including: - a drainage head (24) internally delimiting a collection space (34) and provided with at least one through recovery passage (36, 38), - a fixing sleeve (26) at least partially deformable, integral with the drainage head (24) and capable of being engaged inside the flow conduit (20), - a compression washer (28) fixed to the fixing sleeve (26), and - a biasing means (30) movable relative to the drainage head (24) and cooperating with the compression washer (28) to obtain, under the effect of a displacement of said biasing means relative to the drainage head , an axial displacement of the compression washer (28) on the side of the drainage head and a radial outward deformation of the fixing sleeve (26). Dispositif selon la revendication 1, dans lequel le moyen de sollicitation (30) comprend une vis centrale en prise avec la rondelle (28) de compression.Device according to claim 1, wherein the biasing means (30) comprises a central screw in engagement with the compression washer (28). Dispositif selon la revendication 1 ou 2, dans lequel le moyen de sollicitation (30) s'étend en partie à l'intérieur de la tête de drainage (24), et relie la tête de drainage et la rondelle (28) de compression.Apparatus according to claim 1 or 2, wherein the biasing means (30) extends partly within the drain head (24), and connects the drain head and the compression washer (28). Dispositif selon l'une quelconque des revendications précédentes, dans lequel le moyen de sollicitation (30) s'étend axialement et est accessible depuis l'extérieur de la tête de drainage (24).A device according to any preceding claim, wherein the biasing means (30) extends axially and is accessible from outside the drain head (24). Dispositif selon l'une quelconque des revendications précédentes, dans lequel le moyen de sollicitation (30) s'étend axialement en saillie par rapport à une face frontale supérieure de la tête de drainage (24).Apparatus according to any preceding claim, wherein the biasing means (30) extends axially projecting from an upper front face of the drainage head (24). Dispositif selon l'une quelconque des revendications précédentes, dans lequel la rondelle (28) de compression est fixée à une extrémité axiale du manchon de fixation (26) qui est orientée axialement du côté opposé à la tête de drainage (24).A device according to any preceding claim, wherein the compression washer (28) is attached to an axial end of the attachment sleeve (26) which faces axially away from the drain head (24). Dispositif selon l'une quelconque des revendications précédentes, dans lequel le manchon de fixation (26) entoure en partie la tête de drainage (24).A device according to any preceding claim, wherein the securing sleeve (26) partially surrounds the drainage head (24). Dispositif selon l'une quelconque des revendications précédentes, dans lequel le manchon de fixation (26) présente, en position de repos, un diamètre extérieur inférieur au diamètre intérieur du conduit d'écoulement (20).Device according to any one of the preceding claims, in which the fixing sleeve (26) has, in the rest position, an outer diameter smaller than the inner diameter of the flow conduit (20). Dispositif selon l'une quelconque des revendications précédentes, comprenant en outre une rondelle (32) de montage fixée sur la tête de drainage (24) et sur laquelle est fixé le manchon de fixation (26).A device according to any preceding claim, further comprising a mounting washer (32) secured to the drain head (24) and to which is secured the securing sleeve (26). Dispositif selon la revendication 9, dans lequel la rondelle (32) de montage est fixée à une extrémité axiale du manchon de fixation (26) qui est orientée axialement du côté de la tête de drainage (24).Device according to Claim 9, in which the mounting washer (32) is fixed to an axial end of the fixing sleeve (26) which faces axially towards the side of the drainage head (24). Dispositif selon l'une quelconque des revendications précédentes, dans lequel la tête de drainage (24) comprend au moins une partie de tête (40) délimitant intérieurement l'espace de collecte (34) et pourvue dudit passage (36, 38) de récupération traversant, et un épaulement (44) délimitant axialement la partie de tête (40).Device according to any one of the preceding claims, in which the drainage head (24) comprises at least one head part (40) internally delimiting the collection space (34) and provided with said passage (36, 38) for recovering crossing, and a shoulder (44) axially delimiting the head part (40). Dispositif selon la revendication 11, dans lequel le manchon de fixation (26) s'étend entièrement du côté opposé à l'espace de collecte (34) de la partie de tête (40) par rapport à l'épaulement (44).Device according to claim 11, in which the fixing sleeve (26) extends entirely on the side opposite the collection space (34) of the head part (40) with respect to the shoulder (44). Dispositif selon la revendication 11 ou 12, dans lequel la tête de drainage (24) comprend en outre un conduit d'évacuation (42), l'épaulement (44) étant formé entre le conduit d'évacuation et la partie de tête (40), le manchon de fixation (26) étant solidaire du conduit d'évacuation (42).A device according to claim 11 or 12, wherein the drain head (24) further comprises a drain pipe (42), the shoulder (44) being formed between the drain pipe and the head portion (40 ), the fixing sleeve (26) being integral with the evacuation duct (42). Dispositif selon la revendication 13, comprenant en outre un joint d'étanchéité (46) monté autour du conduit d'évacuation (42) et disposé axialement entre l'épaulement (44) de la tête de drainage et le manchon de fixation (26).Device according to claim 13, further comprising a gasket (46) mounted around the discharge conduit (42) and disposed axially between the shoulder (44) of the drainage head and the fixing sleeve (26) . Dispositif selon la revendication 14 dépendante de la revendication 9 ou 10, dans le joint d'étanchéité (46) est interposé axialement entre l'épaulement (44) de la tête de drainage et la rondelle (32) de montage.Device according to Claim 14 dependent on Claim 9 or 10, in which the seal (46) is interposed axially between the shoulder (44) of the drainage head and the mounting washer (32).
EP22154804.3A 2021-04-06 2022-02-02 Drainage device provided with a fastening sleeve for construction, in particular a building roof or a terrace Active EP4071316B1 (en)

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FR2103503A FR3121461B1 (en) 2021-04-06 2021-04-06 Drainage device equipped with a fixing sleeve for construction, in particular a roof of a building or a terrace

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EP4071316C0 EP4071316C0 (en) 2023-08-02
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EP (1) EP4071316B1 (en)
CA (1) CA3154175A1 (en)
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EP4071316C0 (en) 2023-08-02
US11920350B2 (en) 2024-03-05
CA3154175A1 (en) 2022-10-06
FR3121461B1 (en) 2023-08-04
FR3121461A1 (en) 2022-10-07
US20220316215A1 (en) 2022-10-06
ES2957734T3 (en) 2024-01-24
EP4071316B1 (en) 2023-08-02

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