FR2679313A1 - Device for leaktight clamping for clamping a flexible tube (hose) forcibly mounted inside a tubular connecter (coupling) - Google Patents
Device for leaktight clamping for clamping a flexible tube (hose) forcibly mounted inside a tubular connecter (coupling) Download PDFInfo
- Publication number
- FR2679313A1 FR2679313A1 FR9205504A FR9205504A FR2679313A1 FR 2679313 A1 FR2679313 A1 FR 2679313A1 FR 9205504 A FR9205504 A FR 9205504A FR 9205504 A FR9205504 A FR 9205504A FR 2679313 A1 FR2679313 A1 FR 2679313A1
- Authority
- FR
- France
- Prior art keywords
- clamping
- ring
- projection
- retaining
- flange
- 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
Links
- 230000008878 coupling Effects 0.000 title description 2
- 238000010168 coupling process Methods 0.000 title description 2
- 238000005859 coupling reaction Methods 0.000 title description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements 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
- F16L33/225—Arrangements 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings 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
- F16L37/138—Couplings 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
Abstract
Description
ii
DISPOSITIF DE SERRAGE ETANCHE POUR LE SERRAGE D'UN TUBE WATERPROOF TIGHTENING DEVICE FOR TIGHTENING A TUBE
FLEXIBLE MONTE A FORCE A L'INTERIEUR D'UN RACCORD TUBULAIRE FLEXIBLE FORCE MOUNTED WITHIN A TUBULAR CONNECTION
La présente invention concerne un dispositif pour le serrage étanche d'un tube flexible par exemple un tube en un matériau élastomère, monté à force sur un organe tubulaire tel qu'un raccord en un matériau sensiblement plus rigide et comportant à son extrémité une pluralité de The present invention relates to a device for tightly tightening a flexible tube, for example a tube made of an elastomeric material, forcibly mounted on a tubular member such as a connector made of a substantially more rigid material and comprising at its end a plurality of
saillies circonférentielles extérieures adjacentes. adjacent outer circumferential projections.
Le dispositif de serrage suivant l'invention est caractérisé en ce qu'il comporte au moins une saillie de retenue et de positionnement formée à l'extérieur de l'organe tubulaire au-delà des saillies circonférentielles et dans le sens suivant lequel le tube flexible est monté à l'intérieur de l'organe tubulaire, et une bague de serrage qui peut être vissée sur le tube flexible et qui comporte une saillie pouvant être verrouillée intérieurement et une saillie de serrage intérieur espacées dans une direction axiale l'une par rapport à l'autre, et formées de telle sorte que la bague puisse être glissée à force à l'intérieur de cette partie du tube montée dans l'organe tubulaire jusqu'à ce que la saillie de verrouillage s'engage avec la saillie de retenue et de positionnement de l'organe tubulaire et surmonte cette dernière et que la saillie de serrage soit située entre les deux saillies circonférentielles adjacentes de The clamping device according to the invention is characterized in that it comprises at least one retaining and positioning projection formed outside the tubular member beyond the circumferential projections and in the direction in which the flexible tube is mounted inside the tubular member, and a clamping ring which can be screwed onto the flexible tube and which has an internally lockable projection and an internal clamping projection spaced in an axial direction relative to each other to each other, and formed so that the ring can be forced into the interior of this part of the tube mounted in the tubular member until the locking projection engages with the retaining projection and positioning of the tubular member and overcomes the latter and that the clamping projection is located between the two adjacent circumferential projections of
l'organe tubulaire.the tubular organ.
Suivant une autre caractéristique, la saillie de retenue et de positionnement de l'organe tubulaire comporte une surface dont le profil est incliné vers l'extrémité des saillies circonférentielles et la saillie verrouillée intérieurement de la bague de serrage comporte une surface correspondante ayant un profil de guidage incliné vers l'intérieur pour l'accoupler à la surface inclinée de la saillie de retenue et de positionnement et pour pouvoir être glissée à force au-dessus de celle-ci jusqu'à ce According to another characteristic, the retaining and positioning projection of the tubular member has a surface whose profile is inclined towards the end of the circumferential projections and the internally locked projection of the clamping ring has a corresponding surface having a profile of guide inclined inwards to couple it to the inclined surface of the retaining and positioning projection and to be able to be forced to slide over it until
qu'elle surmonte cette dernière.that it overcomes the latter.
SR 7024 IT/GLSR 7024 IT / GL
D'autres caractéristiques et avantages de l'invention Other characteristics and advantages of the invention
apparaîtront de la description détaillée qui va suivre will appear from the detailed description which follows
faite en se référant aux dessins annexés donnés à titre d'exemples non limitatifs dans lesquels: la Figure 1 est une vue perspective d'un dispositif de joint d'étanchéité suivant l'invention pour la connexion d'un tube flexible à un raccord tubulaire; la Figure 2 est une section axiale du tube flexible, du raccord et de la bague de serrage associés représentés en position non accouplée; et la Figure 3 est une coupe analogue à celle de la Figure 2 représentant le tube flexible monté dans le raccord et qui made with reference to the accompanying drawings given by way of nonlimiting examples in which: Figure 1 is a perspective view of a seal device according to the invention for the connection of a flexible tube to a tubular connector ; Figure 2 is an axial section of the flexible tube, the fitting and the associated clamping ring shown in the non-coupled position; and Figure 3 is a section similar to that of Figure 2 showing the flexible tube mounted in the fitting and which
y est serré au moyen du dispositif suivant l'invention. is clamped therein by means of the device according to the invention.
En se rapportant aux dessins, la référence numérique 1 désigne un tube flexible par exemple en un matériau éllastomère pouvant éventuellement comporter une armature intérieure textile Cette section de tube flexible est prévue pour être connectée à une extrémité d'un organe de raccordement tubulaire tel qu'un raccord désigné dans son ensemble par la référence numérique 2 Ce raccord est en un matériau sensiblement rigide et comporte, adjacentes à son extrémité, une pluralité de saillies circonférentielles extérieures 3 Dans le mode de réalisation représenté, ces Referring to the drawings, the reference numeral 1 designates a flexible tube, for example made of an elastomeric material which may possibly include a textile inner reinforcement. This section of flexible tube is designed to be connected to one end of a tubular connection member such as a connector designated as a whole by the reference numeral 2 This connector is made of a substantially rigid material and comprises, adjacent to its end, a plurality of external circumferential projections 3 In the embodiment shown, these
saillies ont des profils en dents de scie. projections have sawtooth profiles.
De préférence, suivant un mode connu en soi, le diamètre du tube 1 est légèrement inférieur à celui du diamètre extérieur des saillies 3 du raccord 2 de telle sorte que le tube 1 doit être monté à force par dessus ces saillies. La référence 4 des dessins désigne une bride de positionnement et de retenue prévue sur la partie extérieure du raccord tubulaire 2 au-delà des saill ies circonférentielles 3 De préférence, mais pas nécessairement, cette bride s'étend autour de l'ensemble de la circonférence du raccord 2 et comporte une surface à profil incliné, plus particulièrement une surface ayant la forme d'un tronc de c 8 ne désignée par la référence Preferably, according to a method known per se, the diameter of the tube 1 is slightly smaller than that of the outside diameter of the projections 3 of the connector 2 so that the tube 1 must be force-fitted over these projections. Reference 4 of the drawings designates a positioning and retaining flange provided on the external part of the tubular connector 2 beyond the circumferential projections 3 Preferably, but not necessarily, this flange extends around the entire circumference of fitting 2 and has a surface with an inclined profile, more particularly a surface having the shape of a trunk of c 8 not designated by the reference
SR 7024 TT/GLSR 7024 TT / GL
numérique 4 a et inclinée vers l'extrémité circonférentielle digital 4A and tilted towards the circumferential end
des saillies 3.protrusions 3.
Une partie intermédiaire 5 de la surface extérieure du raccord 2 située entre la bride de positionnement et de retenue 4 et les saillies d'extrémité 3 constitue un épaulement annulaire radial 6 L'extrémité du tube flexible 1 prend appui contre cet épaulement lorsque le tube 1 est monté à force au-dessus des saillies d'extrémité 3 du raccord. Suivant l'invention, afin de serrer le tube flexible 1 au raccord 2 pour assurer l'étanchéité du joint, on utilise une bague de serrage désignée par A. Comme représenté plus clairement sur les Figures 2 et 3, la bague A comporte une saillie 7 de verrouillage intérieur et une saillie 8 de serrage intérieur, espacées An intermediate part 5 of the outer surface of the connector 2 located between the positioning and retaining flange 4 and the end projections 3 constitutes an annular radial shoulder 6 The end of the flexible tube 1 bears against this shoulder when the tube 1 is forcibly mounted above the end projections 3 of the connector. According to the invention, in order to tighten the flexible tube 1 to the connector 2 to ensure the seal of the joint, a clamping ring designated by A is used. As shown more clearly in FIGS. 2 and 3, the ring A has a projection 7 interior locking and an interior clamping projection 8, spaced
l'une par rapport à l'autre dans une direction axiale. relative to each other in an axial direction.
Le diamètre intérieur de la saillie de serrage 8 de la bague est de préférence égal ou légèrement inférieur au The internal diameter of the clamping projection 8 of the ring is preferably equal to or slightly less than the
diamètre extérieur nominal du tube flexible 1. nominal outside diameter of the flexible tube 1.
Le diamètre intérieur de la saillie de verrouillage 7 est par ailleurs de préférence supérieur au diamètre The internal diameter of the locking projection 7 is moreover preferably greater than the diameter
extérieur nominal dudit tube.nominal outside of said tube.
Par conséquent, la bague A peut être facilement vissée sur l'extrémité du tubel,avant que celui-ci ne soit monté à Consequently, the ring A can be easily screwed onto the end of the tube, before it is mounted at
force sur le connecteur ou raccord 2. force on connector or fitting 2.
Une fois que la bague A a été vissée sur le tube 1, l'extrémité de ce dernier est montée à force dans le raccord; ensuite, la bague A est glissée à force au-dessus du tube 1 vers la bride de retenue 4 du raccord Il est préférable que cette opération ne soit pas effectuée manuellement mais au moyen d'un outil ou d'un dispositif Once the ring A has been screwed onto the tube 1, the end of the latter is forced into the fitting; then, the ring A is force-fitted over the tube 1 towards the retaining flange 4 of the fitting. It is preferable that this operation is not carried out manually but by means of a tool or a device.
mécani que.mechanical.
Comme représenté sur la Figure 2, la saillie de verrouilllage 7 de la bague A comporte une surface de guidage 7 a tournée vers l'extérieur, dont le profil à la meme inclinaison que celui de la surface 4 a de la bride de retenue 4 du raccord 2 Le diamètre intérieur de la saillie As shown in Figure 2, the locking projection 7 of the ring A has a guide surface 7 facing outward, whose profile at the same inclination as that of the surface 4 a of the retaining flange 4 of the fitting 2 The inside diameter of the projection
SR 7024 IT/GLSR 7024 IT / GL
7 de la bague A est inférieur au diamètre extérieur de la 7 of ring A is less than the outside diameter of the
bride de retenue 4 du raccord.retaining flange 4 of the fitting.
Lorsque la bague A est glissée à force au-dessus du tube 1 monté sur le raccord 2, la surface de guidage tronconique 7 a de la saillie de verrouillage, entre d'abord en contact avec la surface 4 a de la bride de retenue du raccord A mesure que la bague A est poussée dans la direction de la bride 4 du raccord, cette partie de la bague A formée par la saillie de verrouillage 7 s'élargit par élasticité de manière à surmonter la bride 4 du raccord jusqu'à atteindre la position de verrouillage représentée sur la Figure 3 Une fois qu'elle a dépassé cette bride, la contraction due à la résilience de cette partie de la bague A qui s'est élargie précédemment, forme un accouplement sensiblement irréversible de cette bague avec la saillie ou When the ring A is force-fitted over the tube 1 mounted on the connector 2, the frustoconical guide surface 7 a of the locking projection, first comes into contact with the surface 4 a of the retaining flange of the connection As the ring A is pushed in the direction of the flange 4 of the connection, this part of the ring A formed by the locking projection 7 widens by elasticity so as to overcome the flange 4 of the connection until it reaches the locking position shown in Figure 3 Once it has passed this flange, the contraction due to the resilience of this part of the ring A which has widened previously, forms a substantially irreversible coupling of this ring with the projection or
bride 4 du raccord.flange 4 of the fitting.
La distance axiale entre les saillies 7 et 8 de la bague A est prévue de façon appropriée de telle sorte qu'en position accouplée représentée sur la Figure 3, la saillie 8 comprime et serre une zone de la paroi du tube flexible 1 située entre les crêtes de deux saillies circonférentielles adjacentes 3 du raccord Ceci assure un serrage étanche et The axial distance between the projections 7 and 8 of the ring A is appropriately provided so that in the coupled position shown in Figure 3, the projection 8 compresses and clamps an area of the wall of the flexible tube 1 located between the ridges of two adjacent circumferential projections 3 of the fitting This ensures tight tightening and
d'une grande fiabilité.very reliable.
Le connecteur ou raccord 2 représenté sur les dessins peut constituer par exemple le raccord d'admission ou le raccord de sortie d'un radiateur de véhicule à moteur comportant un moteur à combustion interne, le tube flexible l faisant partie du circuit hydraulique du système de The connector or fitting 2 shown in the drawings may constitute, for example, the inlet fitting or the outlet fitting of a motor vehicle radiator comprising an internal combustion engine, the flexible tube l forming part of the hydraulic circuit of the
refroidissement par eau du moteur à combustion interne. water cooling of the internal combustion engine.
Le dispositif suivant l'invention ne convient pas seulement pour être utilisé dans le cas qui vient d'être décrit; il peut aussi être utilisé dans des conditions o des colliers de retenue pour tube flexible sont utilisés de The device according to the invention is not only suitable for use in the case which has just been described; it can also be used in conditions where flexible tube retaining collars are used
façon classique.classic way.
Le domaine de l'invention s'étend naturellement à tout mode de réalisation qui remplit le même usage en utilisant The field of the invention naturally extends to any embodiment which fulfills the same use by using
le même concept innovateur.the same innovative concept.
SR 7024 IT/GLSR 7024 IT / GL
Ainsi par exemple il n'est pas nécessaire que l'une, l'autre ou l'une et l'autre de la bride 4 et de la saillie 7 s'étendent autour de la totalité de la circonférence de la bague et du raccord respectivement mais seulement autour Thus, for example, it is not necessary that one or the other or both of the flange 4 and the projection 7 extend around the entire circumference of the ring and of the fitting. respectively but only around
d'un (ou plusieurs) secteurs de ceux-ci. of one (or more) sectors of these.
SR 7024 IT/GLSR 7024 IT / GL
Claims (7)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000175 IT223227Z2 (en) | 1991-07-17 | 1991-07-17 | SEALING TIGHTENING DEVICE OF A FLEXIBLE FLEXIBLE HOSE ON A TUBULAR AGREEMENT. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2679313A1 true FR2679313A1 (en) | 1993-01-22 |
| FR2679313B1 FR2679313B1 (en) | 1994-05-13 |
Family
ID=11409058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9205504A Expired - Lifetime FR2679313B1 (en) | 1991-07-17 | 1992-05-05 | SEALED TIGHTENING DEVICE FOR TIGHTENING A FLEXIBLE TUBE MOUNTED FORCE WITHIN A TUBULAR CONNECTION. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH05126288A (en) |
| ES (1) | ES1021210Y (en) |
| FR (1) | FR2679313B1 (en) |
| GB (1) | GB2257764B (en) |
| IT (1) | IT223227Z2 (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637102A (en) * | 1995-05-24 | 1997-06-10 | C. R. Bard, Inc. | Dual-type catheter connection system |
| US6113572A (en) * | 1995-05-24 | 2000-09-05 | C. R. Bard, Inc. | Multiple-type catheter connection systems |
| AU742795B2 (en) * | 1995-07-14 | 2002-01-10 | Hansen Developments Limited | A pipe coupling |
| DE19858396A1 (en) * | 1998-12-17 | 2000-07-06 | Duerr Systems Gmbh | Hose connection nipple clamped to hose uses expanded cone part of nipple to mate with hose sleeve part forming catch hook and groove. |
| GB9912120D0 (en) * | 1999-05-26 | 1999-07-28 | Mckechnie Uk Ltd | Improvements in or relating to pipe joints |
| DE19935246B4 (en) | 1999-06-04 | 2004-07-22 | Friatec Ag | Connectors |
| DE19932718A1 (en) * | 1999-09-23 | 2001-05-23 | Friatec Ag | Plug-in coupling for connecting two pipe ends; has base body, sealing ring and prestressed locking ring, where pipe end fits in gap between base body and annular body and is sealed with locking ring |
| US6971390B1 (en) | 2002-02-05 | 2005-12-06 | C. R. Bard, Inc. | Catheter connection and repair system |
| US7452354B2 (en) | 2002-06-26 | 2008-11-18 | Inset Technologies Incorporated | Implantable pump connector for catheter attachment |
| DE10254397B4 (en) * | 2002-11-21 | 2010-09-23 | Poloplast Gmbh & Co. Kg | Universal hose coupling |
| GB0402564D0 (en) * | 2004-02-05 | 2004-03-10 | Maunder Roy P | Tube connector |
| ES2575551T3 (en) | 2007-10-30 | 2016-06-29 | Medela Holding Ag | Device for connecting a flexible suction duct |
| WO2013168306A1 (en) * | 2012-05-11 | 2013-11-14 | 東尾メック株式会社 | Pipe joint |
| DE102013003818A1 (en) * | 2013-03-07 | 2014-09-11 | Grohe Ag | Device for a hose fitting |
| JP5878143B2 (en) * | 2013-05-08 | 2016-03-08 | 日本ピラー工業株式会社 | Synthetic resin pipe fittings |
| JP6240455B2 (en) | 2013-10-01 | 2017-11-29 | 日本ピラー工業株式会社 | Synthetic resin pipe fittings |
| FR3059075B1 (en) | 2016-11-21 | 2019-12-13 | Akwel Chippenham Uk Ltd | PIPE CONNECTION DEVICE |
| GB2582132B (en) * | 2019-03-10 | 2023-05-03 | Mcalpine & Co Ltd | Plumbing connector, assembly and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2111284A5 (en) * | 1970-10-09 | 1972-06-02 | Vernetti Gervasio | |
| FR2420711A1 (en) * | 1978-03-23 | 1979-10-19 | Berthoud Sa | Sliding sleeve for wedging flexible hose on spigot - has radial step between bore lengths of different dia. and acts with conical spigot head |
| GB2107814A (en) * | 1981-10-14 | 1983-05-05 | Roberto Fassina | An improved connection for tubes of elastomer material |
| US4564222A (en) * | 1984-08-27 | 1986-01-14 | Hydrasearch Co., Inc. | Separable coupling for thin-walled flexible hose |
| GB2165909A (en) * | 1984-10-22 | 1986-04-23 | Earls Supply Co | Fitting assembly for reinforced hose |
| FR2641600A1 (en) * | 1989-01-10 | 1990-07-13 | Titeflex Corp | END CONNECTION FOR PIPES |
-
1991
- 1991-07-17 IT IT000175 patent/IT223227Z2/en active IP Right Grant
-
1992
- 1992-04-23 GB GB9208789A patent/GB2257764B/en not_active Expired - Fee Related
- 1992-04-30 ES ES9201396U patent/ES1021210Y/en not_active Expired - Fee Related
- 1992-05-05 FR FR9205504A patent/FR2679313B1/en not_active Expired - Lifetime
- 1992-05-08 JP JP4115875A patent/JPH05126288A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2111284A5 (en) * | 1970-10-09 | 1972-06-02 | Vernetti Gervasio | |
| FR2420711A1 (en) * | 1978-03-23 | 1979-10-19 | Berthoud Sa | Sliding sleeve for wedging flexible hose on spigot - has radial step between bore lengths of different dia. and acts with conical spigot head |
| GB2107814A (en) * | 1981-10-14 | 1983-05-05 | Roberto Fassina | An improved connection for tubes of elastomer material |
| US4564222A (en) * | 1984-08-27 | 1986-01-14 | Hydrasearch Co., Inc. | Separable coupling for thin-walled flexible hose |
| GB2165909A (en) * | 1984-10-22 | 1986-04-23 | Earls Supply Co | Fitting assembly for reinforced hose |
| FR2641600A1 (en) * | 1989-01-10 | 1990-07-13 | Titeflex Corp | END CONNECTION FOR PIPES |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9208789D0 (en) | 1992-06-10 |
| ITTO910175V0 (en) | 1991-07-17 |
| ITTO910175U1 (en) | 1993-01-17 |
| JPH05126288A (en) | 1993-05-21 |
| ES1021210Y (en) | 1993-03-16 |
| FR2679313B1 (en) | 1994-05-13 |
| GB2257764B (en) | 1995-02-08 |
| GB2257764A (en) | 1993-01-20 |
| IT223227Z2 (en) | 1995-06-13 |
| ES1021210U (en) | 1992-10-16 |
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