FR2871548A1 - DEVICE FOR RETAINING TWO ELEMENTS FROM ONE TO THE OTHER - Google Patents
DEVICE FOR RETAINING TWO ELEMENTS FROM ONE TO THE OTHER Download PDFInfo
- Publication number
- FR2871548A1 FR2871548A1 FR0451166A FR0451166A FR2871548A1 FR 2871548 A1 FR2871548 A1 FR 2871548A1 FR 0451166 A FR0451166 A FR 0451166A FR 0451166 A FR0451166 A FR 0451166A FR 2871548 A1 FR2871548 A1 FR 2871548A1
- Authority
- FR
- France
- Prior art keywords
- retaining
- loop
- tube
- volume
- elements
- 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
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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/005—Devices restraining ruptured tubes from whipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Exhaust Silencers (AREA)
Abstract
Dispositif de retenue (10) de deux éléments (1,2), l'un par rapport à l'autre, en cas de rupture de leur liaison, caractérisé en ce que le dispositif de retenue (10) comporte au moins une boucle de retenue (4) et en ce que chacun des deux éléments (1,2) comporte au moins un moyen d'ancrage (7,8) de la boucle de retenue (4), et dont la mise en extension de la boucle de retenue (4) est réalisée lors de la rupture de la liaison.Retaining device (10) of two elements (1,2), one relative to the other, in the event of their connection breaking, characterized in that the retaining device (10) comprises at least one loop of restraint (4) and in that each of the two elements (1,2) comprises at least one anchoring means (7,8) of the retaining loop (4), and of which the extension of the retaining loop (4) is carried out when the bond breaks.
Description
DISPOSITIF DE RETENUE DE DEUX ELEMENTS L'UN PARDEVICE FOR RETAINING TWO ELEMENTS ONE BY
RAPPORT A L'AUTRE L'invention concerne un dispositif de retenue de deux s éléments, l'un par rapport à l'autre, en cas de rupture de leur liaison. La présente invention peut être mise en oeuvre, en particulier, dans le cas de la retenue de deux pièces du bas de caisse d'un véhicule automobile, telles que, par exemple, un volume et un tube d'échappement. The invention relates to a device for retaining two elements, one with respect to the other, in case of breakage of their connection. The present invention can be implemented, in particular, in the case of the retention of two parts of the underside of a motor vehicle, such as, for example, a volume and an exhaust tube.
io Pour mettre en oeuvre une partie de ligne d'échappement comprenant un tube et un volume, tel qu'un silencieux, le tube et le volume sont généralement assemblés par une soudure. Mais il arrive que la soudure se détériore, accidentellement, en particulier à cause de la corrosion et des vibrations. Le volume et le tube se désolidarisent et laissent les gaz d'échappement sortir au niveau du tube et le volume ou le tube peut heurter la chaussée provoquant des nuisances sonores. To implement an exhaust line portion comprising a tube and a volume, such as a silencer, the tube and the volume are generally joined by a weld. But it happens that the weld deteriorates, accidentally, especially because of corrosion and vibrations. The volume and the tube dissociate and let the exhaust out at the tube and the volume or the tube can hit the road causing noise.
Afin de pallier ces inconvénients, l'invention a pour objet de maintenir un élément longitudinal à un élément volumique en cas de 20 rupture de leur fixation L'invention a, particulièrement pour objet de minimiser le déplacement d'un silencieux par rapport à un tube en cas de rupture de la soudure et de limiter en particulier les risques de contact d'un des éléments avec la chaussée. In order to overcome these drawbacks, the object of the invention is to maintain a longitudinal element at a volume element in the event of breaking of their attachment. The invention is particularly intended to minimize the displacement of a silencer with respect to a tube. in case of breakage of the weld and in particular to limit the risk of contact of one of the elements with the roadway.
A cet effet, l'invention propose un dispositif de retenue du type cité cidessus caractérisé en ce qu'il comporte au moins une boucle de retenue et en ce que chacun des deux éléments comporte au moins un moyen d'ancrage de la boucle de retenue, et dont la mise en extension de la boucle de retenue est réalisée lors de la rupture de la liaison. For this purpose, the invention proposes a retaining device of the type cited above characterized in that it comprises at least one retaining loop and in that each of the two elements comprises at least one means for anchoring the retaining loop. , and whose extension of the retaining loop is carried out during the breaking of the connection.
Selon d'autres caractéristiques de l'invention, l'un des éléments est un élément longitudinal et l'autre élément est un élément volumique. According to other features of the invention, one of the elements is a longitudinal element and the other element is a volume element.
Selon d'autres caractéristiques de l'invention, les moyens d'ancrage se situent de part et d'autre de l'axe médian de l'élément longitudinal. According to other features of the invention, the anchoring means are located on either side of the median axis of the longitudinal element.
Selon d'autres caractéristiques de l'invention, le moyen d'ancrage de l'élément longitudinal se situe sur sa partie supérieure et en ce que le moyen d'ancrage de l'élément volumique se situe sur sa partie inférieure. According to other features of the invention, the anchoring means of the longitudinal element is located on its upper part and in that the anchoring means of the volume element is located on its lower part.
Selon d'autres caractéristiques de l'invention, la boucle de retenue comporte au moins deux moyens de retenue qui coopèrent lo respectivement avec les moyens d'ancrage. According to other features of the invention, the retaining loop comprises at least two retaining means which cooperate lo respectively with the anchoring means.
Selon d'autres caractéristiques de l'invention, le plan formé par le moyen de retenue de la partie médiane de la boucle de retenue et le plan formé par le moyen de retenue des extrémités libres de la boucle de retenue sont sensiblement perpendiculaires. According to other features of the invention, the plane formed by the retaining means of the middle part of the retaining loop and the plane formed by the retaining means of the free ends of the retaining loop are substantially perpendicular.
Selon d'autres caractéristiques de l'invention, la boucle de retenue est formée d'un fil métallique dont les extrémités libres comportent chacune un crochet formant, lorsqu'ils sont réunis, un moyen de retenue qui coopère avec un moyen d'ancrage. According to other features of the invention, the retaining loop is formed of a wire whose free ends each comprise a hook forming, when they are joined, a retaining means which cooperates with an anchoring means.
Selon d'autres caractéristiques de l'invention, l'élément longitudinal est un tube d'échappement et en ce que l'élément volumique est un volume d'échappement. According to other features of the invention, the longitudinal element is an exhaust tube and in that the volume element is an exhaust volume.
Selon d'autres caractéristiques de l'invention, une ligne d'échappement comportant au moins un volume et un tube d'échappement solidaires comporte un dispositif de retenue. According to other features of the invention, an exhaust line comprising at least one volume and an integral exhaust tube comprises a retaining device.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description d'exemples de réalisation en référence aux figures annexées. Other features and advantages of the invention will appear on reading the description of exemplary embodiments with reference to the appended figures.
La figure 1 est une vue en élévation latérale d'une partie de ligne d'échappement sous la caisse d'un véhicule comportant un tube et un silencieux assemblés et comportant un dispositif de retenue selon l'invention. Figure 1 is a side elevational view of an exhaust line portion under the body of a vehicle having a tube and muffler assembled and having a retainer according to the invention.
La figure 2 est une vue de face d'un dispositif de retenue selon l'invention. Figure 2 is a front view of a retaining device according to the invention.
La figure 3 est une vue en coupe transversale selon le plan de coupe 3-3 de la figure 1 selon l'invention. Figure 3 is a cross-sectional view along the sectional plane 3-3 of Figure 1 according to the invention.
La figure 4 est une vue de dessus d'une partie de ligne d'échappement sous la caisse d'un véhicule comportant un tube et un silencieux assemblés et comportant un dispositif de retenue selon l'invention. Figure 4 is a top view of a portion of the exhaust line under the body of a vehicle having a tube and muffler assembled and comprising a retaining device according to the invention.
Dans la description qui suit, nous prendrons à titre non limitatif une orientation longitudinale, vertical et transversale indiquée par le trièdre L,V,T aux quatre figures. In the following description, we will take non-limiting longitudinal orientation, vertical and transverse indicated by the trihedron L, V, T in the four figures.
Des éléments identiques ou analogues sont désignés par les mêmes chiffres de référence. Identical or similar elements are designated by the same reference numerals.
Tel que représenté à la figure 1, une partie de ligne d'échappement 9 comporte un tube 1 et un volume 2 tel qu'un silencieux. Le tube 1 et le silencieux 2 sont assemblés, généralement, par une liaison rigide, au moyen d'une soudure étanche pour assurer le passage des gaz d'échappement sans fuite. La ligne d'échappement 9 est accrochée sous la caisse 5 du véhicule par des moyens de suspension 51. Le silencieux 2 peut être réalisé, par exemple, en deux parties, une partie supérieure 21 et une partie inférieure 22 dont la jonction se situe au niveau de l'axe médian 13 du tube 1. L'axe médian 13 délimite de la même façon le tube 1: la partie au dessus de l'axe médian 13 est appelée la partie supérieure 11 du tube 1 et la partie en dessous de l'axe médian 13 est la partie inférieure 12 du tube 1. As shown in Figure 1, an exhaust line portion 9 comprises a tube 1 and a volume 2 such as a silencer. The tube 1 and the silencer 2 are assembled, generally, by a rigid connection, by means of a sealed weld to ensure the passage of the exhaust gas without leakage. The exhaust line 9 is hooked under the body 5 of the vehicle by suspension means 51. The silencer 2 can be made, for example, in two parts, an upper portion 21 and a lower portion 22 whose junction is located at level of the median axis 13 of the tube 1. The median axis 13 delimits in the same way the tube 1: the part above the central axis 13 is called the upper part 11 of the tube 1 and the part below the median axis 13 is the lower part 12 of the tube 1.
Selon un mode de réalisation, tel que représenté sur la figure 1, un dispositif de retenue 10 est ajouté au niveau de la jonction du tube 1 et du silencieux 2. Le dispositif 10 comporte une boucle de retenue 4 et deux moyens d'ancrage 7, 8 qui coopèrent. Les moyens d'ancrage sont deux plots 7, 8 respectivement soudés sur le silencieux 2 et sur le tube 1. According to one embodiment, as shown in Figure 1, a retaining device 10 is added at the junction of the tube 1 and the silencer 2. The device 10 comprises a retaining loop 4 and two anchoring means 7 , 8 which cooperate. The anchoring means are two studs 7, 8 respectively welded on the muffler 2 and on the tube 1.
Tel que représenté sur la figure 2, la boucle 4 est ouverte et elle est formée d'un fil métallique. La boucle 4 comporte une protubérance 43 sur sa partie médiane 41 et deux crochets 45,46 à ses extrémités libres. As shown in Figure 2, the loop 4 is open and is formed of a wire. The loop 4 has a protuberance 43 on its middle portion 41 and two hooks 45,46 at its free ends.
Le plan formé par la protubérance 43 et le plan formé par les crochets 45, 46 sont sensiblement perpendiculaires. The plane formed by the protuberance 43 and the plane formed by the hooks 45, 46 are substantially perpendicular.
La forme rectiligne de la partie médiane 41 est choisie de façon à pouvoir s'adapter à des tubes de différent diamètre. The rectilinear shape of the median portion 41 is chosen so as to be able to adapt to tubes of different diameter.
Chaque extrémité de la partie médiane 41 se prolonge par deux branches 42 élastiques dont les extrémités libres sont les crochets 45,46. Chacune des deux branches 42 ont partiellement la forme d'arc de cercle et sont convergentes vers les crochets 45,46. La forme d'arc de cercle des branches 42 est déterminée de façon à i0 épouser la forme des côtés du tube 1. Each end of the medial portion 41 is extended by two elastic branches 42 whose free ends are the hooks 45,46. Each of the two branches 42 are partially arcuate in shape and converge towards the hooks 45,46. The arc shape of the branches 42 is determined so as to conform to the shape of the sides of the tube 1.
Tel que représenté sur la figure 3, la partie médiane 41 se situe sur la partie supérieure 11 du tube 1 et les branches 42 entourent une partie du tube 1. Les crochets 45,46 se croisent et forment un moyen de retenue 44 qui coopère avec le plot 7 au niveau de la partie inférieure 22 sur la paroi transversale 23 du silencieux 2. Tel que représenté sur la figure 4, la boucle 4 est retenue également sur le tube 1 par un plot 8 qui est situé sur la partie supérieure 11. Le plot 8 coopère avec la protubérance 43. As shown in FIG. 3, the medial portion 41 is located on the upper part 11 of the tube 1 and the branches 42 surround a portion of the tube 1. The hooks 45, 46 intersect and form a retaining means 44 which cooperates with the stud 7 at the lower portion 22 on the transverse wall 23 of the silencer 2. As shown in Figure 4, the loop 4 is also retained on the tube 1 by a stud 8 which is located on the upper part 11. The stud 8 cooperates with the protuberance 43.
Lors de la rupture de la liaison soudée du tube 1 et du silencieux 2, le silencieux 2 peut s'incliner dans le sens horaire vers le sol 6. Tel que représenté sur la figure 1, la distance entre le plot 7 et l'axe médian 13 et la distance entre le plot 8 et la partie transversale 23 sont déterminées de telle sorte que le tube 1 et le silencieux 2 aient un décalage limité par rapport à l'axe médian 13, lors d'une rupture de la soudure. Ainsi, lors d'une rupture de la liaison soudée, le silencieux 2 effectue un déplacement minimisé car il est retenu à la fois à la caisse 5 par un moyen de suspension 51 et le dispositif 10 relié au tube 1. During the rupture of the welded connection of the tube 1 and the silencer 2, the silencer 2 can tilt clockwise towards the ground 6. As shown in FIG. 1, the distance between the stud 7 and the axis median 13 and the distance between the pad 8 and the transverse portion 23 are determined so that the tube 1 and the silencer 2 have a limited offset relative to the central axis 13, during a rupture of the weld. Thus, during a break in the welded connection, the muffler 2 carries out a minimized movement because it is retained both at the body 5 by a suspension means 51 and the device 10 connected to the tube 1.
La composition de la boucle 4 est choisie de telle façon qu'elle peut résister aux hautes températures générées par les gaz d'échappement et dont la chaleur est transmise à la boucle 4 par conduction. La boucle 4 est choisie, de manière générale, en métal et particulièrement en inox comme la ligne d'échappement 9 pour résister à la corrosion. The composition of the loop 4 is chosen so that it can withstand the high temperatures generated by the exhaust gases and whose heat is transmitted to the loop 4 by conduction. Loop 4 is generally selected from metal and particularly stainless steel such as exhaust line 9 to resist corrosion.
Cette boucle 4 est fabriquée en une seule pièce et la mise en forme est effectuée par cintrage. La mise en oeuvre de cette boucle 4 est facile et le coût de revient est moindre. This loop 4 is made in one piece and the shaping is done by bending. The implementation of this loop 4 is easy and the cost is lower.
Le dispositif 10 est mis en place simplement sans outillage spécifique. Le monteur peut donc effectuer le montage du dispositif 4 facilement à la main. II écarte les branches de la boucle 4 pour les faire passer de chaque côté du tube 1 et il positionne la partie médiane 41 sur la partie supérieure 11 du tube 1 de façon à faire coopérer le plot 8 avec la protubérance 43. Ensuite, le monteur peut io appliquer une force au niveau de chaque branche 42 par un effort du pouce et de l'index pour positionner le moyen de retenue 44 de façon croisée dans le plot 7. L'épaisseur de la boucle 4 est choisie, en particulier, de façon à permettre l'application de l'effort sur les branches lors du montage et de façon à résister à l'effort subi lors de la rupture du silencieux 2 et du tube 1. 25 The device 10 is put in place simply without specific tools. The editor can therefore mount the device 4 easily by hand. It separates the branches of the loop 4 to pass them on each side of the tube 1 and it positions the middle part 41 on the upper part 11 of the tube 1 so as to cooperate the stud 8 with the protrusion 43. Then, the fitter can apply a force at each leg 42 by a force of the thumb and index finger to position the retaining means 44 crosswise in the stud 7. The thickness of the loop 4 is chosen, in particular, from way to allow the application of the force on the branches during assembly and to withstand the stress incurred during the rupture of the muffler 2 and tube 1. 25
Claims (9)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0451166A FR2871548B1 (en) | 2004-06-14 | 2004-06-14 | DEVICE FOR RETAINING TWO ELEMENTS FROM ONE TO THE OTHER |
| EP05762682A EP1789715A1 (en) | 2004-06-14 | 2005-05-13 | Device for retaining two elements in position in relation to one another |
| PCT/FR2005/050318 WO2006000721A1 (en) | 2004-06-14 | 2005-05-13 | Device for retaining two elements in position in relation to one another |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0451166A FR2871548B1 (en) | 2004-06-14 | 2004-06-14 | DEVICE FOR RETAINING TWO ELEMENTS FROM ONE TO THE OTHER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2871548A1 true FR2871548A1 (en) | 2005-12-16 |
| FR2871548B1 FR2871548B1 (en) | 2006-08-11 |
Family
ID=34946023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0451166A Expired - Fee Related FR2871548B1 (en) | 2004-06-14 | 2004-06-14 | DEVICE FOR RETAINING TWO ELEMENTS FROM ONE TO THE OTHER |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1789715A1 (en) |
| FR (1) | FR2871548B1 (en) |
| WO (1) | WO2006000721A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9950001B2 (en) | 2012-08-20 | 2018-04-24 | The Regents Of The University Of California | Polynucleotides having bioreversible groups |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796925A (en) * | 1987-09-11 | 1989-01-10 | Fred Zwicker | Safety retainer clip |
| EP0553936A2 (en) * | 1993-03-09 | 1993-08-04 | Cox Geelen B.V. | Method for establishing a pipeline system and pipeline system according to this method |
| US5803509A (en) * | 1997-04-28 | 1998-09-08 | Adams; Robert D. | Line connector lock |
| DE20006386U1 (en) * | 2000-04-06 | 2000-08-17 | Kostinek Konrad | Safety device for a coupling in a fluid-carrying line |
| US6298882B1 (en) * | 1999-04-26 | 2001-10-09 | Spm, Inc. | Explosion resistant blanket for flow line |
-
2004
- 2004-06-14 FR FR0451166A patent/FR2871548B1/en not_active Expired - Fee Related
-
2005
- 2005-05-13 EP EP05762682A patent/EP1789715A1/en not_active Withdrawn
- 2005-05-13 WO PCT/FR2005/050318 patent/WO2006000721A1/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796925A (en) * | 1987-09-11 | 1989-01-10 | Fred Zwicker | Safety retainer clip |
| EP0553936A2 (en) * | 1993-03-09 | 1993-08-04 | Cox Geelen B.V. | Method for establishing a pipeline system and pipeline system according to this method |
| US5803509A (en) * | 1997-04-28 | 1998-09-08 | Adams; Robert D. | Line connector lock |
| US6298882B1 (en) * | 1999-04-26 | 2001-10-09 | Spm, Inc. | Explosion resistant blanket for flow line |
| DE20006386U1 (en) * | 2000-04-06 | 2000-08-17 | Kostinek Konrad | Safety device for a coupling in a fluid-carrying line |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1789715A1 (en) | 2007-05-30 |
| WO2006000721A1 (en) | 2006-01-05 |
| FR2871548B1 (en) | 2006-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20110228 |