SE191908C1

SE191908C1 -

Info

Publication number: SE191908C1
Authority: SE
Publication date: 1964-01-01

Description

KLASS INTERNATIONELLSVENSK H 01 b21 c:10/0 PATENT. OCH REGISTRERINGSVERKET Ans. 2773/1961 inkom den 15/3 1961 utlagd den 17/2 1964 B S GORANSSO1N, KUNGSOR Anordning for aft genom ett ha i en Agg fiira ett fOremil med tatning mot vatskor och gaser Foreliggande uppfinning avser en anordning for att genom ett hal i en vagg fora ett fore- mâltatning mot vatskor och gaser, var- vid mellan vaggen och foremalet fir anordnad en for inskruvning i halet avsedd utvandigt gangad hylsa. CLASS INTERNATIONAL SWEDISH H 01 b21 c: 10/0 PATENT. AND REGISTRATION REGISTRATION Ans. 2773/1961 was received on 15/3 1961 issued on 17/2 1964 BS GORANSSO1N, KUNGSOR Device for aft through a ha in an Agg for a foremil with sealing against water shoes and gases The present invention relates to a device for passing through a hall in a cradle fora a pre-measure against water shoes and gases, whereby between the cradle and the foremalt arranged an externally threaded sleeve intended for screwing into the tail.

Vid hittills kanda anordningar for att fluidumtatt genomfora ett foremal genom en vagg, t. ex. yid packboxar eller forskruvningar i apparatlador, hat man a:want sarskilda packningar, vilka genom axiell hoppressning och deformering medelst en gangad hylsa radiellt pressas mot vaggen och mot det for genomforing avsedda fOremalet, sh att onskad thtning Astadkommes. Dessa packningar bora dimensioneras dels efter diametern av vaggens ha!, dels efter diametern av det for genomforing avsedda foremMet, vilket komplicerar bade tillverkningen och lagerforingen med darav betingad kostnadsiAning. Anvandningen av sadana packningar medfor dessutom den nackdelen, att det i de fiesta fall erfordras sarskilda brickor, som bora placeras mellan packningen och p0. ena sidan vagghalets botten och pa andra sidan hylsan, yilket ytterligare dels komplicerar anvandningen och tillverkningen, dels forsvarar lagerforingen, dels okar kostnaderna. In hitherto known devices for fluidly passing a form through a cradle, e.g. yid stuffing boxes or fittings in apparatus barns, one has a: want special gaskets, which by axial compression and deformation by means of a threaded sleeve are radially pressed against the cradle and against the object intended for penetration, so that the desired sealing is achieved. These gaskets should be dimensioned partly according to the diameter of the rock's ha! The use of such gaskets also has the disadvantage that in most cases special washers are required, which drills are placed between the gasket and p0. on the one hand the bottom of the cradle and on the other hand the sleeve, which further complicates the use and manufacture, partly defends the bearing lining, and partly increases the costs.

Dessa nackdelar av hittills kanda genomforingsanordningar aro undanrojda vid anordningen enligt uppfirmingen genom att hylsans bade ytter- och innerdiameter vid sin med avseende pa inskruvningsriktningen framre ande avtager i riktning fram mot sin frontkant till en minimidiameter, lika med foremalets diameter yid namnda frontkant, varvid halet Or utformat med ett parti med avtagande diameter, anpassad efter ytterytan av hylsans framre ande. These disadvantages of hitherto known bushing devices are obviated in the device according to the invention in that both the outer and inner diameters of the sleeve decrease with respect to their front edge in the direction towards the screw-in direction to a minimum diameter equal to the diameter of the article yid said front edge. formed with a portion of decreasing diameter, adapted to the outer surface of the front end of the sleeve.

Uppfinningen fOrklaras narmare i samband med bifogade ritning, som visar ett utforingsexempel pa anordningen enligt uppfinningen sasom sektion av en gangad hylsa med en genom en vagg ford kabel. The invention is explained in more detail in connection with the accompanying drawing, which shows an embodiment of the device according to the invention as a section of a threaded sleeve with a cable passed through a cradle.

Vid den pa ritningen visade taningsanordningen anyandes en hylsa 10, vars ovre del pa brukligt satt Or utvandigt forsedd med normal ganga 12 och med ett sexkanthuvud 14 for att med Whip av en nyckel kunna fastdraga hylsan. Vid sin nedre ande Or hylsan utformad med ett avsmalnande parti 16, som kan vara forsett med raka koniska vaggar eller — sasom visas pa ritningen — med sfariska ytor. Det avsmalnande partiet 16 utfores lampligen sa, att det straeker sig anda fram till hylsans geometriska axel, dvs. att hylspartiet 16 bildar en sluten botten av hylsan 10, varefter ett centrumhal med en cylindrisk ringyta 16' upptages i hylsans avsmalnande parti, eller halet bildas genom att partiets 16 spets shares av, varvid diametern av detta hal avpassas sa, att hylsan latt gar att trada p0 ett for genomforing avsett fOremal, t. ex. en riirledning eller en elektrisk ledning sasom den pa. ritningen visade kabeln 18. Det Or givetvis Oven mOjligt att fora en enda trad genom hylsan, varvid halets storlek likaledes valjes efter denna trads diameter. Hylspartiet 16 utformas lampligen med fram mot kabeln 18 avtagande vdggtjocklek. Materialet for hylsan bor ha for Andamalet lampliga egenskaper, namligen dels viss elasticitet, som Or Whacklig for att hylsans avsmalnande parti skall kunna deformeras nagot vid htdragningen,dels. erforderlig hallfasthet forenad med seghet. Harfor lampligt material Or polyvinylklorid, amidplast (nylon) eller tetrafluoretenplast, det sistnamnda i synnerhet i sadana fall nar hylsan utsattes for forhallandevis h8ga temperaturer, t. ex. vid rorledningar. In the drawing, the tanning device otherwise shows a sleeve 10, the upper part of which is usually fitted with a normal thread 12 and a hexagon head 14 in order to be able to fasten the sleeve with a whip of a key. At its lower end, the sleeve is formed with a tapered portion 16, which may be provided with straight conical cradles or - as shown in the drawing - with spherical surfaces. The tapered portion 16 is suitably designed so that the spirit extends to the geometric axis of the sleeve, i.e. that the sleeve portion 16 forms a closed bottom of the sleeve 10, after which a center hall with a cylindrical annular surface 16 'is received in the tapered portion of the sleeve, or the tail is formed by the tip of the portion 16 being shared, the diameter of this hall being adjusted so that the sleeve trada on a form intended for implementation, e.g. a wiring harness or an electrical cord such as the one on. the drawing showed the cable 18. It is of course also possible to thread a single thread through the sleeve, the size of the tail also being chosen according to the diameter of this thread. The sleeve portion 16 is suitably designed with a wall thickness decreasing towards the cable 18. The material for the sleeve should have suitable properties for Andamalet, namely partly some elasticity, such as Or Whacklig so that the tapered part of the sleeve can be deformed somewhat during the pulling, partly. required hall strength combined with toughness. For suitable material Or polyvinyl chloride, amide plastic (nylon) or tetrafluoroethylene plastic, the latter especially in such cases when the sleeve is exposed to relatively high temperatures, e.g. at pipelines.

Hylsan 10 anbringas i ett hal 20, t. ex. anordnat i en skiljevagg, en vagg av en behallare, en kopplingsdosa 22 eller flagon annan apparat. Halet 20 har ett ovre parti, som Or Dupl. kl. 47 f: 2/ 2— — gangat i overensstammelse med hylsans 10 ganga, ocb_ ett nedre bottenparti 24 utan ga.nga men med konisk eller sfarisk utformning i anpassning efter det nedre avsmalnande hylspartiet 16. The sleeve 10 is placed in a hall 20, e.g. arranged in a partition cradle, a cradle of a container, a junction box 22 or a flagon of other apparatus. The tail 20 has an upper part, such as Or Dupl. at 47 f: 2 / 2— - gangway in accordance with the thread 10 of the sleeve 10, and a lower bottom portion 24 without a thread but with a conical or spherical design in adaptation to the lower tapered sleeve portion 16.

Vid ansattning av hylsan medfor halets 20 nedre bottenparti 24 en deformering av det nedre avsmalnande hylspartiet 16. Denna deformering bestar dari, att hylsans material pressas ink mot halets 20 axel och salunda till anliggning med ringytan 16' mot den genom hylsan gaende kabeln 18 eller nagot annat foremal, avsett att foras genmn vaggen 22. Hylsans anpressning dels mot halets bottenparti 24, dels mot kabelns 18 ytteryta tryggar fullkomlig tatning mot vatskor och gaser pa ena sidan vaggen 22 och hylsan 10 och pa andra sidan kabeln 18 samt dessutom ett orubbligt lage av kabeln 18 i hylsan och i vaggen 22. When the sleeve is fitted, the lower bottom portion 24 of the tail 20 causes a deformation of the lower tapered sleeve portion 16. This deformation consists in that the material of the sleeve is pressed ink against the shaft 20 of the tail and thus to abut with the ring surface 16 'against the cable 18 or something another object, intended to be passed through the cradle 22. The pressing of the sleeve partly against the bottom part 24 of the tail, partly against the outer surface of the cable 18 ensures complete sealing against liquids and gases on one side the cradle 22 and the sleeve 10 and on the other side the cable 18 and also an unshakable layer of the cable 18 in the sleeve and in the cradle 22.

Claims

Patent claim:

Device for passing through an hM in a. a liner for a mold with a seal of water and gases, wherein between the cradle and the liner there is arranged an externally threaded sleeve for screwing into the tail, characterized in that the sleeve (10) has both outer and inner diameters at its front end with respect to the screw-in direction. 16) decreases in the direction towards its front edge to a minimum diameter, equal to the diameter of the square (18) at said front edge, wherein the said hall (20) is formed with a portion (24) of decreasing diameter, - adapted to the outer surface of the front of the sleeve ande (16).

Device according to claim 1, characterized in that the front end (16) of the sleeve has a conical shape.

Device according to claim 1, characterized in that the front end (16) of the sleeve has a spherical outer shape (24).

Device according to claim 1, characterized in that the front end (16) of the sleeve has a cradle thickness which decreases towards the front edge of the sleeve.

Device according to claim 1, characterized in that the front end (16) of the sleeve has a. cylindrical, radially that directed ring surface (16 ') for abutment against the foremalt.

Device according to claim 1, characterized in that the sleeve (10) is closed at its front end before use.

Device according to claim 1, characterized in that the sleeve (10) is formed of material, e.g. nylon, with such elasticity, which allows deformation of said front end (16). Request publications: Industrial technology. 1959: 24 (patent prophylaxis 40/59).