SE466274B

SE466274B - Arrangement for preventing leakage in floor passages

Info

Publication number: SE466274B
Application number: SE8903464A
Authority: SE
Inventors: S Spaanberg
Original assignee: Sjoebo Bruk Ab
Priority date: 1989-10-20
Filing date: 1989-10-20
Publication date: 1992-01-20

Abstract

An arrangement for preventing leakage at a passage where an outlet pipe extends through a floor, which has a floor covering, has a sealing sleeve, through which the outlet pipe runs with sealing, the sealing sleeve being designed with sealing surfaces which run around the outlet pipe and via which the sleeve is intended to bear against the floor covering; the sealing sleeve is designed with and/or can be acted on by tightening means in order to press the same in the direction towards the floor covering so that its sealing surfaces bear with pressure against the latter. In this way, the necessary sealing is obtained between the outlet pipe and the floor by ensuring that the outlet pipe and the floor cannot move in relation to one another. <IMAGE>

Description

466 274 Genom anbringning av skruvarna mittemellan tätningsytorna och den vid skruvarnas åtdragning åstadkomna deformeringen av den välvda tätningsmuffen uppnås optimal tätning. 466 274 By arranging the screws between the sealing surfaces and the deformation of the curved sealing sleeve caused by the tightening of the screws, an optimal seal is achieved.

I den kända anordningen enligt NU-C-75 995 är hålen för skruvarna ut- formade alldeles intill spännflänsarnas tätningsyta. Genom utformningen av tätningsytan mot röret med en packning mellan spännflänsarna, uppnås härvid vid den kända anordningen erforderlig tätning genom ändring av vinkeln mellan flänsarna vid skruvarnas åtdragning. Anordning av skruvarna som i anordningen enligt föreliggande uppfinning är däremot inte möjlig om önskad tätning skall uppnås. Spännflänsarnas relativa vinkel kommer näm- ligen därvid, vid åtdragning av skruvarna, inte att ändras så som erfordras enligt publikationen och ej heller sker sådan annan deformering att pack- ningen med tryck kommer till anliggning mot röret. Ûvanstående och övriga uppfinningen kännetecknande drag skall nedan närmare beskrivas med hänvisning till bifogade ritningar, på vilka fig. 1 med ett skuret längdsnitt visar ett utförande av en anordning enligt uppfinningen innan åtdragning därav; och där fig. 2 motsvarar fig. 1 men visar anordningen efter åtdragning; Såsom framgår av fig. 1 och 2 är ett med 1 betecknat avloppsrör från t.ex. ett handfat draget genom en öppning 2 i ett golv 3. Golvet 3 är försett med en beläggning 4 som slutar ett stycke innan öppningen 2 i golvet, d.v.s. är för tätningsändamål inte som tidigare uppvikt kring avloppsröret 1. För att förhindra läckage uppvisar anordningen enligt uppfinningen istället en tätningsmuff 5, genom vilken avloppsröret 1 förlöper med tätning. Tätnings- muffen 5 är utformad med runtom avloppsröret 1 förlöpande tätningsytor 6, via vilka tätningsmuffen anligger mot golvbeläggningen 4 runtom öppningen 2 i golvet 3. Tätningsmuffen 5 är dessutom påverkbar av åtdragningsorgan 7 för att pressa densamma i riktning mot golvbeläggningen 4 så att tätnings- ytorna 6 med tryck anligger mot denna. I utförandet enligt fig. 1 och 2 är tätningsmuffen 5 åtdragbar medelst åtdragningsorgan i form av träskruvar 7 (endast en träskruv visas), vilka föres genom hål 8 i tätningsmuffen och skruvas ned i golvet 3. Tätningsmuffen 5 består företrädesvis av sådant elastiskt formbart material att densamma rätas ut så, då den av trä- skruvarna 7 pressas i riktning mot golvbeläggningen 4, att samtidigt somIn the known device according to NU-C-75 995, the holes for the screws are designed right next to the sealing surface of the clamping flanges. By the design of the sealing surface against the pipe with a gasket between the clamping flanges, the required seal is achieved in the known device by changing the angle between the flanges when the screws are tightened. Arrangement of the screws as in the device according to the present invention, on the other hand, is not possible if the desired seal is to be achieved. Namely, the relative angle of the clamping flanges will not change as required by the publication when tightening the screws, nor will such other deformation occur that the gasket with pressure comes into contact with the pipe. The above features and other features of the invention will be described in more detail below with reference to the accompanying drawings, in which Fig. 1 shows with a cut longitudinal section an embodiment of a device according to the invention before tightening thereof; and where Fig. 2 corresponds to Fig. 1 but shows the device after tightening; As can be seen from Figs. 1 and 2, a drain pipe designated 1 by e.g. a sink drawn through an opening 2 in a floor 3. The floor 3 is provided with a coating 4 which ends a piece before the opening 2 in the floor, i.e. is for folding purposes not as previously folded up around the drain pipe 1. To prevent leakage, the device according to the invention instead has a sealing sleeve 5, through which the drain pipe 1 runs with a seal. The sealing sleeve 5 is formed with sealing surfaces 6 extending around the drain pipe 1, via which the sealing sleeve abuts against the floor covering 4 around the opening 2 in the floor 3. The sealing sleeve 5 can also be actuated by tightening means 7 to press it towards the floor covering 4. 6 with pressure abuts against it. In the embodiment according to Figs. 1 and 2, the sealing sleeve 5 can be tightened by means of tightening means in the form of wooden screws 7 (only one wooden screw is shown), which are passed through holes 8 in the sealing sleeve and screwed into the floor 3. The sealing sleeve 5 preferably consists of such elastically moldable material. the same is straightened so that, when it is pressed by the wood screws 7 in the direction of the floor covering 4, that at the same time as

Claims

466 274 the sealing surfaces 6 with pressure abut against the floor covering, other sealing surfaces 9 on the sealing sleeve with pressure abut against the drain pipe 1 (see fig. 2). In the preferred embodiment according to Figs. 1 and 2, the sealing sleeve 5 has an upwardly curved shape, where the holes 8 for the wood screws 7 are arranged approximately midway between the sealing surfaces 6, 9 in order for their abutment pressure against the floor covering 4 and the drain pipe 1 to be optimal. The sealing surfaces are also formed in this embodiment by sealing rings 6, 9 and the sealing sleeve 5 has seat surfaces 1D against which the heads 11 of the wood screws 7 abut after tightening. It is obvious to the person skilled in the art that the invention, in addition to what has been stated above, can be modified and changed within the scope of the appended claims. It is thus clear that the various parts; sealing sleeve 5, tightening means 7, etc., can have a very varying shape and composition as well as the material, although elastically mouldable materials are preferred. The number of certain parts can also vary in some designs. Claims:

Device for preventing leakage at a passage where a drain pipe (1) extends through a floor (3) which has a floor covering (4), the device having a sealing sleeve (5) with first and second sealing surfaces (9) extending around the drain pipe. , 6) via which the sealing sleeve (5) is intended to abut against the drain pipe (1) and the floor covering (4), respectively, and wherein the sealing sleeve (5) is actuated by tightening means in the form of screws (7) which can be passed through holes (8) in the sealing sleeve (5) and screwed into the floor (3) to press with sealing the sealing sleeve (5) in the direction of the drain pipe (1) and the floor covering (4), respectively - characterized in that the holes (8) in the sealing sleeve (5) for the screws (7) are arranged approximately midway between the sealing surfaces (9, 6) of the sealing sleeve (5) and that the sealing sleeve (5) has an upwardly curved shape and consists of such an elastically moldable material that the same, when pressed by the screws (7) in the direction of the floor covering (4), be straightened as follows that its sealing surfaces (9, 6) are brought into contact with the drain pipe (1) and the floor covering (4) with pressure.

Device according to claim 1, characterized in that the sealing surfaces of the sealing sleeve (5), which are intended to abut against the drain pipe (1) and the floor covering (4), are formed by sealing rings (9, 6).