DK172821B1 - Two-piece clamp connection for pipes and hoses - Google Patents

Two-piece clamp connection for pipes and hoses Download PDF

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Publication number
DK172821B1
DK172821B1 DK198901914A DK191489A DK172821B1 DK 172821 B1 DK172821 B1 DK 172821B1 DK 198901914 A DK198901914 A DK 198901914A DK 191489 A DK191489 A DK 191489A DK 172821 B1 DK172821 B1 DK 172821B1
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DK
Denmark
Prior art keywords
sliding sleeve
pipe
hose
sleeve
over
Prior art date
Application number
DK198901914A
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Danish (da)
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DK191489D0 (en
DK191489A (en
Inventor
Siegfried Hopperdietzel
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Rehau Ag & Co
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Publication of DK191489D0 publication Critical patent/DK191489D0/en
Publication of DK191489A publication Critical patent/DK191489A/en
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Publication of DK172821B1 publication Critical patent/DK172821B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/225Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/138Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using an axially movable sleeve

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  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Supports For Pipes And Cables (AREA)
  • Cosmetics (AREA)
  • Materials For Medical Uses (AREA)
  • Laminated Bodies (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention relates to a two-piece metallic clamping connector for pipes and hoses, consisting of polymer material. In this case, a connecting piece (1) designed as a pipe sleeve is used, having a plug-in region (11) which is to be inserted into the pipe end (21). There is furthermore a sliding sleeve (3), which can move axially with respect to the pipe axis, and which can be pushed over the pipe end (21) with the plug-in region (11) inserted, to produce the clamping connection. The invention is seen in that the sliding sleeve (3) has a conical recess (32), running from the outside to the inside over its wall cross-section, on its free end (31) facing the flange projection (110). This conical recess (32) makes a transition via a radius (34) into a cylindrical section (35). A hollow channel (33) is fitted in a circumferential manner into the inner circumferential wall of the sliding sleeve (3), adjacent to the cylindrical section (35). <IMAGE>

Description

ø i DK 172821 B1island in DK 172821 B1

Opfindelsen angår et todelt klemroeforbindelseselement af metal til rør og slanger af polymert materiale og med et som et rørstykke udformet forbindelsesstykke, der har en indskydningsendedel til indskydning i enden af røret eller 5 slangen samt en aksialt med røraksen forskydelig skydemuffe, der til dannelse af klemmeforbindelsen kan skydes ind over rørets eller slangens ende med den deri indskudte indskydningsendedel, hvor skydemuffen ved sin mod indskydningsdelens flangeansats vendende frie ende har en indad over muffens 10 vægtværsnit forløbende konisk uddrejning.BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a two-piece metal clamping connector for polymeric material tubes and hoses, and having a connecting piece formed as a pipe member having an insertion end for insertion at the end of the tube or tubing and an axially slidable sliding sleeve capable of forming clamping joints. is pushed in over the end of the tube or hose with the insertion end inserted therein, where the sliding sleeve at its free end, facing the insertion flange of the insertion member, has a tapered extension extending inwardly over the weight section of the sleeve 10.

Fra DE offentliggørelsesskrift nr. 21 49 136 kendes et slangeforbindelseselement med en rørformet indskydningsdel og en om indskydningsdelen lejret spændering, der er aksialt forskydelig i forhold til indskydningsdelen. Indskydningsdelen 15 har voksende diameter i retningen mod sin frie ende, og spænderingen har en konisk indvendig boring, der udvider sig i retningen mod indskydningsdelens frie ende. Ved dette kendte slangeforbindelseselement er forskellen mellem den mindste* radius for spænderingens koniske indvendige boring og indskyd-20 ningsdelens største radius mindre end slangens vægtykkelse.From DE Publication No. 21 49 136 there is known a hose connection element having a tubular insert and a tension located on the insert, which is axially displaceable relative to the insert. The insert 15 has a growing diameter in the direction towards its free end, and the clamping ring has a conical inner bore which extends in the direction towards the free end of the insert. In this known hose connection element, the difference between the smallest radius of the tapered conical bore and the largest radius of the insertion portion is less than the wall thickness of the hose.

Denne slange skydes ind over indskydningsdelen og fastspændes på denne ved, at spænderingen forskydes aksialt på indskydnings-* delen.This hose is pushed in over the insertion member and clamped on it by the tension ring being axially displaced on the insertion member.

Dette kendte klemmeforbindelseselement har den ulempe, at 25 den koniske klemmemuffe kan løsne sig under anvendelsen, hvorved klemmeforbindelsen bliver utæt. Ved et rør af tværbundet polyethylen kan dette forklares ved, at den i klemmeforbindel-sesområdet indspændte tværbundne polyethylen er tilbøjelig til at udvide sig. Dette forhindres af den påspændte koniske klem-30 memuffe.This known clamping member has the disadvantage that the tapered clamping sleeve can loosen during use, thereby making the clamping connection leaking. In the case of a cross-linked polyethylene pipe, this can be explained by the fact that the cross-linked polyethylene entrained in the clamp connection area tends to expand. This is prevented by the tapered tapered clamp 30 sleeve.

Ved skiftende temperaturer, f.eks. ved afkøling efter gennemstrømning af varmefluider krymper det indspændte område af polyethylenrøret påny. Derved kan der dannes en spalte mellem klemmemuffen og røret af tværbundet polyethylen. Ved en på-35 følgende indvendig trykbelastning kan dette føre til, at det tværbundne polyethylenrør skydes ud af klemmeforbindelsen.At changing temperatures, e.g. upon cooling after flow of heat fluids, the entrapped area of the polyethylene tube shrinks again. Thereby, a gap can be formed between the clamping sleeve and the cross-linked polyethylene tube. With a subsequent internal pressure load, this can cause the cross-linked polyethylene tube to be pushed out of the clamping connection.

Der kendes desuden klemmeforbindelseselementer, der er 2 DK 172821 B1 udformede som forskruningsorganer. Ved disse arbejdes der med en opslidset klemmering, der over en omløbermøtrik samvirker med støttebøsningens gevinddel og ved sammenskruningen tilvejebringer klemmevirkningen. Rørvæggen fastspændes derved 5 mellem mellem støttebøsningens udvendige omkredsflade og den j todelte klemmebøsnings indvendige væg.In addition, clamp connection elements are known which are formed as fastening means. These work with a slotted clamping ring, which cooperates with the threaded part of the support sleeve over a rotating nut and provides the clamping effect at the tightening. The pipe wall is thereby clamped 5 between the outer circumferential surface of the support bush and the inner wall of the two-piece clamping bush.

i , Disse kendte klemmeforbindelseselementer har den ulempe, at klemmeringen i tilfælde af fremstillingsbetinget excentricitet af formstofrørene kan kantstilles, når den spændes ved 10 hjælp af omløbermøtrikken. Der kan derfor ikke opnås en permanent tæt klemmeforbindelse på denne måde. En yderligere ulempe er, at denne kendte klemmeforbindelse på grund af anvendelsen af skrueforbindelsen ikke kan opfylde kravet om en forbindelse, der ikke kan løsne sig.These known clamping connection elements have the disadvantage that in the case of manufacturing-related eccentricity of the plastic pipes, the clamping ring can be adjusted when tightened by means of the bypass nut. Therefore, a permanently tight clamping connection cannot be obtained in this way. A further disadvantage is that, because of the use of the screw connection, this known clamp connection cannot meet the requirement for a non-detachable connection.

15 Fra DE-C-3608843 og EP-A-0245599 kendes en fremgangsmåde til fremstilling af en klemmeforbindelse til rør og slanger af polymere materialer, hvor et som en cylindrisk rørbøsning udformet forbindelsesstykke har en med udvendige ribber udformet indskydningsendedel, med vhilken forbindelsesstykket 20 skydes ind i rør- eller slangeenden, hvorefter en cylindrisk skydemuffe, der kan forskydes aksialt med røraksen til fremstilling af klemmeforbindelsen, trykkes ind over rør- eller slangeenden med forbindelsesstykkets deri indskudte indskydningsendedel. Det karakteristiske ved denne kendte klemme-25 forbindelse er, at rør- eller slangeenden udvides over omkredsen af forbindelsesstykkets indskydningsendedel, når denne indsættes i rør- eller slangeenden. Når skydemuffen derefter skydes ind over rør- eller slangeenden, trykkes rør- eller slangeendens materiale partielt ind i noterne 30 mellem ribberne på forbindelsesstykkets indskydningsendedel, hvorved der opnås en forbindelse, der ikke kan løsne sig.DE-C-3608843 and EP-A-0245599 disclose a method for producing a clamping connection for pipes and hoses of polymeric materials, in which a connecting piece formed with an outer ribs has an insertion end, with which the connecting piece 20 is slid. into the pipe or hose end, after which a cylindrical sliding sleeve, which can be displaced axially with the pipe axis to make the clamping connection, is pressed over the pipe or hose end with the insertion end inserted in the connecting piece therein. The characteristic of this known clamp connection is that the pipe or hose end is extended over the circumference of the insertion end of the connector as it is inserted into the pipe or hose end. When the sliding sleeve is then pushed over the pipe or hose end, the material of the pipe or hose end is partially pressed into the grooves 30 between the ribs on the insertion end of the connector, thereby obtaining a non-detachable connection.

En lignende klemmeforbindelse kendes fra CH-A-352.206.A similar clamping connection is known from CH-A-352,206.

I den i denne beskrevne kombination af et med udvendige ribber forsynet forbindelsesstykke og skydemuffe undgås det, 35 at slangen udvides ved indføringen af forbindelsesstykket.In the combination of an external ribs and sliding sleeve described in this combination, it is avoided that the hose is expanded upon insertion of the connector.

Dette trykkes ind i slangens hulrum, hvorefter skydemuffen trykkes ind over forbindelsesstykket på slangens udvendige 11 3 DK 172821 B1 side. Selve skydemuffen har en i presseretningen langsgående glat inderside med en konisk uddrejning, som letter påpres-ningen af skydemuffen.This is pressed into the hose cavity, after which the sliding sleeve is pressed over the connector on the outside of the hose 11 3 DK 172821 B1 side. The sliding sleeve itself has a smooth inner longitudinal inside with a tapered turning which facilitates the pressing of the sliding sleeve.

Formålet med opfindelsen er at forbedre skydemuffen til 5 opnåelse af en lettere påpresning eller påskydning og samtidig en sikring mod forskydning. Dette opnås ifølge opfindelsen ved, at der forbi enden af den koniske uddrejning, efter en afrundet overgangsdel og et kort cylindrisk afsnit, er udsparet en rundtgående hulkel i skydemuffens indvendige om-10 kredsvæg.The object of the invention is to improve the sliding sleeve to achieve a lighter pressing or pushing and at the same time a protection against shear. This is achieved according to the invention in that, after a rounded transition part and a short cylindrical section, a circumferential hollow is recessed in the inner circumferential wall of the sliding joint, past the end of the conical turning.

Til fremstillingen af klemmeforbindelsen udvides røreller slangeenden først så meget, at forbindelsesstykkets indskydningsdel kan skydes ind i den udvidede slangeende.For the manufacture of the clamp connection, the tubing or hose end is first expanded so much that the insertion portion of the connector can be slid into the extended hose end.

Den cylindriske skydemuffe er forinden blevet skudt ind på 15 den udvendige omkredsflade af røret eller slangen. Efter indsætningen af forbindelsesstykkets indskydningsendedel skydes skydemuffen ved hjælp af et simpelt værktøj ind til anslag mod flangeansatsen.The cylindrical sliding sleeve has previously been inserted into the outer circumferential surface of the tube or hose. After insertion of the insertion end of the connecting piece, the sliding sleeve is inserted by means of a simple tool for impact against the flange insert.

Da skydemuffens lysning er mindre end den udvendige om-20 kreds af den udvendige rør- eller slangeende, sker der en sammentrykning af vægmaterialet, helt indtil skydemuffen befinder sig i sin endestilling. Sammentrykningen begynder allerede, når den koniske uddrejning lægges på enden af udvidelsen og fortsætter hen over udvidelsen, indtil den frie ende af skyde-25 muffen støder mod den indsatte indskydningsendedels flangeansats .Since the sliding sleeve is less than the outer circumference of the outer tube or hose end, the wall material is compressed until the slider is in its final position. The compression already begins when the tapered pivot is applied to the end of the extension and continues across the extension until the free end of the slider 25 abuts the flange end of the inserted insertion end.

Under påskydningen af skydemuffen trykkes vægmateriale af røret eller slangen som følge af den begyndende og fortsatte sammentrykning ind i det frie rum under den koniske ud-30 drejning og medbringes under sammentrykning i dette rum. Når skydemuffens frie ende støder mod flangeansatsen, udfylder dette sammentrykkede rørvægmateriale det frie rum under den koniske uddrejning. Under påskydningen af skydemuffen udfyldes imidlertid ikke blot det frie rum under den koniske ud-35 drejning, men også hulkelen i skydemuffens indvendige omkreds-væg med det sammenpressede rør- eller slangemateriale. I skydemuffens endestilling er det cylindriske afsnit mellem hulkelen 4 DK 172821 B1 og den koniske uddrejning helt indlejret i rørets eller slangens vægmateriale. Ved denne indlejring af det cylindriske afsnit i rørets eller slangens vægmateriale og det i hulkelen indpressede vægmateriale tilvejebringes en sikring mod forskydning af 1 5 skydemuffen samt et konstant fast urokkeligt sæde af skyde- muffen på den sammentrykkede rør- eller slangeende, når skyde-muffen befinder sig i sin endestilling.During the pushing of the sliding sleeve, wall material is pushed by the tube or hose as a result of the initial and continued compression into the free space during the tapered rotation and carried with it into compression in this space. When the free end of the slide sleeve abuts the flange mount, this compressed tube wall material fills the free space during the tapered turning. During the pushing of the sliding sleeve, however, not only the free space during the tapered rotation is filled, but also the hollow in the inner circumferential wall of the sliding sleeve with the compressed pipe or hose material. In the end position of the slider, the cylindrical section between the hollow 4 DK 172821 B1 and the tapered exit is completely embedded in the wall material of the pipe or hose. By this embedding the cylindrical section into the wall material of the tube or hose and the wall material pressed into the hollow, a protection against displacement of the sliding sleeve is provided and a constant fixed unshakable seat of the sliding sleeve on the compressed tube or hose end when the sliding sleeve is located. say in its end position.

Foruden denne forskydningssikring opnås ved påskydningen ; af skydemuffen, at rør- eller slangevægmateriale trykkes ind i 10 de omløbende noter mellem ribberne på rørdelens indskydningsendedel. Denne udfyldning af noterne tjener til den i og for sig kendte forskydningssikring af rørdelen i dennes sæde i rør- eller slangeenden.In addition to this shear protection is achieved by the shear; of the sliding sleeve, that pipe or hose wall material is pressed into the circumferential grooves between the ribs on the insertion end of the pipe member. This filling of the grooves serves the shear protection known per se in its seat at the pipe or tube end.

Hulkelen ifølge opfindelsen i skydemuffens indvendige om-15 kredsvæg udvider denne forskydningssikring til også at omfatte skydemuffen og bevirker således også i dette område et blivende fast sæde. Dermed opnås der både indefra og udefra en fast og tæt forbindelsesmulighed.The cavity according to the invention in the inner circumferential wall of the slide sleeve extends this shear protection to include the slide sleeve and thus also provides a permanent fixed seat in this area. In this way, a fixed and tight connection option is obtained from both inside and outside.

Det har vist sig at være fordelagtigt, dersom hulkelens cnikredsflade 20 set i aksialsnit danner en spids vinkel med skydemuffens akse, eller at cmkredsfladen er konisk. Derved opnås der en større kraft på rør- eller slangevægmaterialet under påskydningen. Denne kraft bibeholdes også efter påskydningen og tjener til forskydningssikringen af både skydemuffen og den rørformede del.It has been found to be advantageous if the hollow circular surface 20 of the hollow as seen in axial section forms an acute angle with the axis of the sliding sleeve or that the circular surface is tapered. Thereby a greater force is obtained on the pipe or hose wall material during the push-on. This force is also retained after the thrust and serves to shear protection of both the slide sleeve and the tubular member.

25 Det kan endvidere være hensigtsmæssigt, dersom der over skydemuffens længde er udsparet flere efter hinanden følgende hulkeler i den indvendige omkredsvæg.Furthermore, it may be convenient if, over the length of the sliding sleeve, several consecutive hollows are recessed in the inner circumferential wall.

Skydemuffen kan være udformet lidt længere end forbindelsesstykkets indskydningsendedel, hvorved hele længden af rør-' 1 30 udvidelsen dækkes. Forbindelsesstykket har fordelagtigt i , I tilslutning til indskydningsendedelen en omløbende flangean sats, der tjener som anslag for rørenden, der skal påskydes, samt for skydemuffen. I tilslutning til denne flangeansats kan forbindelsesstykket håve en gevindddel, med hvilken der 35 kan etableres en gevindforbindelse til en rørforlængelse, en formdel o.s.v. Der kan på basis af forbindelsesstykket også dannes T-stykker, koblinger o.s.v.The sliding sleeve may be formed slightly longer than the insertion end of the connecting piece, thereby covering the entire length of the pipe extension. Advantageously, the connector has, in connection with the insertion end, a circular flange rate which serves as a stop for the pipe end to be pushed as well as for the slider. In connection with this flange attachment, the connecting piece may have a threaded part with which a threaded connection can be established for a pipe extension, a molding, etc. T-pieces, couplings etc. can also be formed on the basis of the connection piece.

5 DK 172821 B15 DK 172821 B1

Det i denne klemmeforbindelse anvendte rør henholdsvis slangen, der skal forbindes dermed, kan bestå af termoplastisk formstof eller af termoplastisk elastomert formstof såsom tværbundet polyethylen.The pipe used in this clamping connection or the hose to be connected thereto, respectively, may consist of thermoplastic resin or thermoplastic elastomer resin such as cross-linked polyethylene.

5 På tegningen ses skematisk en kendt klemforbindelses kobling samt en sådan ifølge opfindelsen, og her viser: fig. 1 klemforbindelseskoblingen ifølge DE-C-3608243 med sine enkelte dele trukket ud fra hinanden, fig. 2 et snit gennem en til klemforbindelseskoblingen 10 ifølge opfindelsen anvendt skydebøsning, og fig. 3 et delbillede af et længdesnit gennem den med denne skydebøsning dannede klemforbindelseskobling i monteret stilling.5 is a schematic diagram of a known clamp connection coupling and one according to the invention, and shows here: FIG. 1 shows the clamping connection according to DE-C-3608243 with its individual parts pulled apart; FIG. 2 is a section through a firing sleeve used for the clamp connection 10 according to the invention; and FIG. 3 is a sectional view of a longitudinal section through the clamp connection coupling formed in this mounted position.

I fig.l's venstre side ses et forbindelsesstykke 1.In the left side of Fig. 1 a connector 1 is seen.

15 Dette forbindelsesstykke 1 består af en gevinddel 111, af en flangeansats 110 og en indskydningsendedel 11.This connector 1 consists of a threaded portion 111, of a flange insert 110 and an insertion portion 11.

Gevinddelen 111 kan alt efter udformningen af øvrige forbindelsesdele være forsynet med et udvendigt eller et indvendigt gevind. Plangeansatsen 110 kan være en omløbende ring 20 med glat omkredsflade eller kaq ved sin omkreds være udformet med regelmæssige flader til indgreb med arbejdsværktøjer såsom skruenøgler. Indskydningsendedelen 11 har udvendige i afstand fra hinanden anbragte omløbende ribber 12, 13, 14, 15, der begrænser noter 16, 17, 18, 19. Noten 19 begrænses ved sin ene 25 side af ribben 15 og ved sin anden side af flangeansatsen 110.Depending on the design of the other connecting parts, the thread part 111 may be provided with an external or an internal thread. Plate assembly 110 may be a circular ring 20 with smooth circumferential surface or may at its circumference be formed with regular surfaces for engagement with working tools such as wrenches. The insertion end portion 11 has outer circumferentially spaced ribs 12, 13, 14, 15 which restrict grooves 16, 17, 18, 19. The groove 19 is constrained at one side of the rib 15 and at the other side of the flange shoulder 110.

I det viste eksempel har ribben 12 en som roulettering indtegnet profilering' 121. Denne roulettering tjener til en bedre fastholdelse.In the example shown, the rib 12 has a profiling '121 as a roulette sign. This roulette serves to retain better.

I akseretningen mod højre i fig. 1 ses en formstofslange 30 eller et formstofrør 2, der med en udvidet del 21 befinder sig i umiddelbar nærhed af indskydningsendedelen 11's ribbe 12.In the right-hand axis in FIG. 1, a plastic hose 30 or a plastic tube 2 is seen which, with an expanded portion 21, is in the immediate vicinity of the rib 12 of the insertion end portion 11.

En skydemuffe 3 er skudt ind over formstofslangen eller -røret og sidder med en udvidelse 31 nær begyndelsen af udvidelsen 21 på overfladen af formstofslangen eller -røret 2.A slider 3 is inserted over the plastic hose or tube and has an extension 31 near the beginning of the expansion 21 on the surface of the plastic tube or tube 2.

35 Skydemuffen 3 har i det viste eksempel en indtrykning 300 der på muffens inderside danner en ind mod ydersiden af form- 6 DK 172821 B1 stofslangen eller -røret 2 vendende profilering.In the example shown, the sliding sleeve 3 has an impression 300 which forms on the inside of the sleeve a profiling facing the outside of the mold hose or tube 2.

Fig. 2 viser et'snit gennem skydemuffen 3 med dennes frie ende 31 og en fra den frie ende udefra og indad over vægtvær-, snittet forløbende konisk uddrejning 32. Den koniske uddrej- I 5 ning 32 går ved en indvendig radius eller afrundet overgangs del 34 over i et indvendigt cylindrisk afsnit 35.FIG. 2 shows a section through the sliding sleeve 3 with its free end 31 and one from the free end from outside and inwardly extending over the weight guard, cut conical turning 32. The tapered turning 32 passes at an internal radius or rounded transition part 34 into an inner cylindrical section 35.

Det cylindriske afsnit 35 flugter i det viste eksempel med den indvendige omkredsvæg 36 af skydemuffen 3. Efter det cylindriske afsnit 3 følger en hulkel 33, der er udsparet på 10 en sådan måde i skydemuffens indvendige omkredsvæg 36, at - hulkelen 33's mod det indre af skydemuffen 3 forløbende vinkel = er en spids vinkel. Ved den bageste frie ende 37 af skydemuf fen 3 er der i muffens ydervæg udsparet en flad omkredsnot 38, i hvilken der f.eks. kan anbringes typeangivelser eller 15 lignende data.In the example shown, the cylindrical section 35 aligns with the inner circumferential wall 36 of the sliding sleeve 3. Following the cylindrical section 3, a cavity 33 recessed in such a manner in the inner circumferential wall 36 of the slider follows that - the cavity 33's towards the interior of the sliding sleeve 3 extending angle = is a pointed angle. At the rear free end 37 of the slide sleeve 3, a flat circumferential groove 38 is recessed in the outer wall of the sleeve, in which e.g. can be typed or similar data.

Fig. 3 viser i et delbillede skydemuffen 3 i sin endestilling på forbindelsesstykket 1's indskydningsendedel 11.FIG. 3 is a partial view of the sliding sleeve 3 in its end position on the insertion end 11 of the connecting piece 1.

Herunder støder skydemuffen 3*s frie ende 31 mod forbindelsesstykket 1's flangeansats 110. Det ses tydeligt, at røret el-20 ler slangen 2's vægmateriale ved den frie ende 31 af skydemuffen 3 i form af en udbuling er trængt ind i det frie rum, der er dannet mellem den koniske uddrejning 32, overfladen af noten 19 og sidefladen af flangeansatsen 110. Det ses ligeledes tydeligt, at hulkelen 33 er helt udfyldt med rør- eller 25 slangemateriale, som er trængt ind i denne. Dette område er betegnet med henvisningsbetegnelsen 23. Andre enkeltheder, som allerede er beskrevet i det foregående har de samme henvisningsbetegnelser som angivet deri.Below, the free end 31 of the sliding sleeve 3 bears against the flange shaft 110 of the connecting piece 1. It is clearly seen that the tube or the wall material of the hose 2 at the free end 31 of the sliding sleeve 3 in the form of a bulge has penetrated into the free space which is formed between the tapered recess 32, the surface of the groove 19 and the lateral surface of the flange insert 110. It is also clearly seen that the hollow 33 is completely filled with pipe or tube material penetrated therein. This area is designated by the reference numeral 23. Other details already described above have the same reference numerals as set forth therein.

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If IIf I

r imr im

Claims (3)

1. Todelt klemmeforbindelseselement af metal til rør og slanger af polymert materiale og med et som et rørstykke udformet forbindelsesstykke, som har en indskydningsdel til indskydning i enden af røret eller slangen samt en aksialt 5 med røraksen forskydelig skydemuffe, der til dannelse af klemmeforbindelsen kan skydes ind over rørets eller slangens ende med den deri indskudte indskydningsdel, hvor skydemuffen (3) ved sin mod flangeansatsen vendende frie ende har en indad over muffens vægtværsnit forløbende konisk uddrejning, 10 kendetegnet ved, at der forbi enden af den koniske uddrejning (32), efter en afrundet overgangsdel (34) og et kort cylindrisk afsnit (35) er udsparet en rundtgående hulkel (33) i skydemuffens (3) indvendige omkredsvæg (36).1. Two-piece metal clamping member for pipes and tubes of polymeric material and having a connecting piece formed as a pipe member having an insertion member for insertion at the end of the pipe or hose and an axially slidable sliding sleeve which can be slidable to form the clamping joint inwardly over the end of the pipe or hose with the insertion portion inserted therein, wherein the sliding sleeve (3) at its free end facing the flange shaft has an inwardly extending tapered extension extending over the weight cross-section of the sleeve, characterized in that the end of the tapered turning (32) passes; after a rounded transition part (34) and a short cylindrical section (35), a circular hollow (33) is recessed in the inner circumferential wall (36) of the sliding sleeve (3). 2. Klemmeforbindelseselement ifølge krav 1, kendeteg-15 net ved, at hulkelens omkredsflade er konisk.Clamp connection element according to claim 1, characterized in that the circumferential surface of the hollow is conical. 3. Klemmeforbindelseselement ifølge krav 1 og 2, kendetegnet ved, at der over skydemuffens (3) længde er udsparet flere efter hinanden anbragte hulkeler (33) i den 20 indvendige omkredsvæg (36). *Clamp connection element according to claims 1 and 2, characterized in that several hollow beads (33) arranged in succession (33) in the inner circumferential wall (36) are recessed over the length of the slide sleeve (3). *
DK198901914A 1988-04-23 1989-04-20 Two-piece clamp connection for pipes and hoses DK172821B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813815A DE3813815A1 (en) 1988-04-23 1988-04-23 TWO PIECE METAL CLAMP CONNECTOR
DE3813815 1988-04-23

Publications (3)

Publication Number Publication Date
DK191489D0 DK191489D0 (en) 1989-04-20
DK191489A DK191489A (en) 1989-10-24
DK172821B1 true DK172821B1 (en) 1999-08-02

Family

ID=6352774

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198901914A DK172821B1 (en) 1988-04-23 1989-04-20 Two-piece clamp connection for pipes and hoses

Country Status (12)

Country Link
EP (1) EP0339248B1 (en)
JP (1) JPH0211996A (en)
KR (1) KR930002537B1 (en)
AT (1) ATE69866T1 (en)
DE (1) DE3813815A1 (en)
DK (1) DK172821B1 (en)
ES (1) ES2027430T3 (en)
FI (1) FI89626C (en)
GR (1) GR3003346T3 (en)
HK (1) HK155196A (en)
NO (1) NO175275C (en)
PT (1) PT90334B (en)

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DE4135422C2 (en) 1991-10-26 1995-11-30 Rehau Ag & Co Clamp connector for pipes or hoses made of polymer material
DE4239705C2 (en) * 1992-11-26 1993-12-16 Hennig Christoph Dipl Kaufm Sliding sleeve and clamp connector for connecting pipes and hoses made of polymer materials
DE4401672C2 (en) * 1994-01-21 1996-10-17 Schell Gmbh & Co Kg Pipe connector
DE9402909U1 (en) * 1994-02-22 1994-08-04 Thermconcept Produkte Fuer Hei Two-part clamp connector
US6749233B2 (en) 2000-06-08 2004-06-15 Hitachi Metals, Ltd. Sleeve-type pipe joint
DE202008008554U1 (en) * 2008-06-30 2009-11-19 Rehau Ag + Co Plastic sliding sleeve and connection fitting with such a sliding sleeve
DE202011000061U1 (en) 2011-01-12 2012-04-17 Gebrüder Beul GmbH & Co KG terminal connector
RU2482373C1 (en) * 2012-05-12 2013-05-20 Общество С Ограниченной Ответственностью "Водопад Групп" Connecting kit for pipes, connection method of pipe with fitting, and nut and tool (versions)
JP2016014442A (en) * 2014-07-03 2016-01-28 株式会社ハタノ製作所 Pipe coupling for resin pipe
CN105020514B (en) * 2015-06-19 2019-04-12 包金平 Seal nipple inside and outside fast ski-running tightly
JP6761269B2 (en) * 2016-03-25 2020-09-23 株式会社イノアック住環境 Joint structure
RU184420U9 (en) * 2018-07-27 2018-11-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) One-piece pipe connection simplified installation

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FR1129097A (en) * 1955-06-27 1957-01-15 Ville De Paris Representee Par Device for connecting plastic pipes
CH352206A (en) * 1957-08-26 1961-02-15 Hoffmann Max Connection device for high pressure hoses
AU413979B1 (en) * 1966-07-14 1971-06-04 Improvements in hose end fittings
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JPS5226227B2 (en) * 1973-04-23 1977-07-13
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US4114930A (en) * 1976-06-28 1978-09-19 The Boeing Company Swaged tube coupling
DE3608843A1 (en) * 1986-03-17 1987-09-24 Rehau Ag & Co TWO PIECE METAL CLAMP CONNECTOR

Also Published As

Publication number Publication date
FI89626B (en) 1993-07-15
DK191489D0 (en) 1989-04-20
EP0339248B1 (en) 1991-11-27
JPH0456198B2 (en) 1992-09-07
PT90334A (en) 1989-11-10
KR890016323A (en) 1989-11-28
NO891306D0 (en) 1989-03-29
FI891895A0 (en) 1989-04-20
DE3813815A1 (en) 1989-11-02
JPH0211996A (en) 1990-01-17
PT90334B (en) 1994-03-31
NO891306L (en) 1989-10-24
DE3813815C2 (en) 1990-04-12
NO175275B (en) 1994-06-13
DK191489A (en) 1989-10-24
ATE69866T1 (en) 1991-12-15
GR3003346T3 (en) 1993-02-17
FI891895A (en) 1989-10-24
HK155196A (en) 1996-08-23
NO175275C (en) 1994-09-28
KR930002537B1 (en) 1993-04-03
FI89626C (en) 1993-10-25
ES2027430T3 (en) 1992-06-01
EP0339248A1 (en) 1989-11-02

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PUP Patent expired