EP3126647B1 - Auspuffaufhänger eines kraftfahrzeugs - Google Patents

Auspuffaufhänger eines kraftfahrzeugs Download PDF

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Publication number
EP3126647B1
EP3126647B1 EP15717023.4A EP15717023A EP3126647B1 EP 3126647 B1 EP3126647 B1 EP 3126647B1 EP 15717023 A EP15717023 A EP 15717023A EP 3126647 B1 EP3126647 B1 EP 3126647B1
Authority
EP
European Patent Office
Prior art keywords
indexing
hanger
base plate
exhaust
plate
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.)
Active
Application number
EP15717023.4A
Other languages
English (en)
French (fr)
Other versions
EP3126647A1 (de
Inventor
Francois Noel LEGRAND
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
PSA Automobiles SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3126647A1 publication Critical patent/EP3126647A1/de
Application granted granted Critical
Publication of EP3126647B1 publication Critical patent/EP3126647B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • 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
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/18—Methods or apparatus for fitting, inserting or repairing different elements by using quick-active type locking mechanisms, e.g. clips
    • 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
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/22—Flexible elastomeric material

Definitions

  • the present invention relates to a motor vehicle exhaust line, as well as to the corresponding automatic assembly method.
  • motor vehicles equipped with a thermal type engine comprise a burnt gas exhaust line during combustion of the mixture of air and fuel in the cylinders of the engine.
  • This exhaust line includes an exhaust duct and pollution control systems, such as a SCR type system (for "Selective Catalytic Reduction” or “Selective Catalytic Reduction” in French) for chemically reducing oxides nitrogen present in the exhaust gas.
  • SCR type system for "Selective Catalytic Reduction” or “Selective Catalytic Reduction” in French
  • This exhaust line installed under the floor is maintained by means of exhaust lines each fixed on a part located under the floor of the vehicle.
  • each arm supporting the exhaust line cooperates with a housing formed in the body of an exhaust hanger.
  • This body is made of an elastic material, for example elastomer, to ensure damping of vibration and efforts due to the rolling of the vehicle may affect the exhaust components.
  • the document DE3643698 describes a mounting method in which the positioning of the exhaust hanger on the mechanical mounting plate is performed by the outer contour of the base of the hanger bearing against the inner faces of the mounting member. Such a system, however, does not allow to meet automatic screwing standards imposing a very small tolerance interval of less than two millimeters.
  • the document FR 2 869 351 describes a device supporting the exhaust line. The device comprises at least two elastic elements which are connected to a mounting plate and which each have an end for holding an element of the exhaust line. The mounting plate is fixed on a structural element of the vehicle.
  • the document FR 2 933 341 discloses a system for connecting an exhaust component of a vehicle to a body member of said vehicle.
  • Said system comprises an intermediate connecting member which receives an assembly means of the exhaust component and a means for fixing the intermediate connecting member to the body member.
  • a mechanically welded part like the base has a tolerance interval of the order of 2.5 millimeters, so that an indexing by external contour generates at least a tolerance interval of this value according to the length of the part. .
  • the invention aims to effectively remedy this disadvantage by proposing an assembly formed by - a motor vehicle exhaust line comprising a body made of an elastic material intended to cooperate with an arm coming from an exhaust line, and a base provided with at least one opening adapted to allow a passage of a fastening means of said exhaust hanger on an element located under a floor of a motor vehicle, and - a mechanical mounting plate, such that said base comprises in in addition to indexing means of said exhaust hanger relative to a mechanical mounting plate by cooperation between at least two indexing pads and two corresponding pilot holes.
  • the invention thus makes it possible to precisely position the suspension on the mechanical mounting plate. Indeed, unlike the system described in the document DE3643698 , the indexing of the hanger on the mechanical mounting plate is made on quasi-point areas, which makes it independent of the tolerance intervals of realization of the piece. It thus becomes possible to respect the very small tolerance intervals imposed by certain standards.
  • the indexing means are constituted by two pilot holes made in said base adapted to cooperate with indexing studs belonging to said mechanical mounting plate.
  • said two pilot holes are made in ears coming from longitudinal edges of said base.
  • said two pilot holes are diametrically opposite one another.
  • one of the pilot holes has dimensions substantially identical to those of the corresponding indexing pad, while the other pilot hole of oblong shape has dimensions slightly greater than those of the corresponding indexing pad. This makes it possible to adjust the positioning of the base in the longitudinal direction of the vehicle or in a transverse direction of the vehicle.
  • said base comprises at least one bearing zone intended to bear against a corresponding bearing surface of said mechanical mounting plate.
  • said base comprises two bearing zones extending projecting from either side of the body.
  • said body has a parallelepipedal shape having two bevelled angles located on a side opposite to said base.
  • the step of placing the suspension hanger consists of cooperating the pilot holes formed in said base of the exhaust hanger with the indexing studs of said mechanical mounting plate.
  • the step of setting up the escapement hanger consists of placing two support zones of the exhaust hanger against corresponding bearing surfaces of said mechanical mounting plate.
  • the figure 1 is a perspective view of an exhaust line held under the floor of the vehicle by means of an exhaust hanger according to the present invention
  • FIGS. 2a to 2e show the different stages of installation of the exhaust hanger on a mechanical mounting plate and its screwing on a sub-body element of a motor vehicle.
  • the figure 1 shows an exhaust line 1 comprising a body 2 fixed on a base 4 for example via a clip system.
  • the body 2 preferably made of an elastic material, for example elastomer, is intended to cooperate with an arm 3 welded at one of its ends to a wall of an exhaust line 5.
  • the body 2 comprises a housing 6 in which is press fit an end of the arm 3.
  • the arm 3 may comprise a bead 8 visible at the Figure 2c which will elastically deform the material of the body 2 at the housing 6, which will then close after the insertion of the bead 8 so as to retain the arm 3.
  • the body 2 has in this case a parallelepipedal shape having two bevelled angles 9 located on the opposite side to the base 4. Such a shape facilitates the insertion of the body 2 in the passage defined by the mechanical mounting plate 15 described below.
  • the body 2 may have any other form adapted to the sub-body configuration of the vehicle.
  • the base 4 has a generally rectangular shape with a rounded end edge.
  • the hanger 1 is provided with two openings 11 adapted to allow a passage of fastening means 12 of the hanger 1 on an element located under a floor of a motor vehicle.
  • the openings 11 are located in the longitudinal ends of the base 4.
  • the fastening means 12 are in this case screws but could alternatively be replaced by rivets or any other equivalent means.
  • the base 4 further comprises indexing means 14 of the hanger 1 relative to a mechanical mounting plate 15 (cf. Figures 2a and 2b ).
  • the indexing means 14 are constituted in this case by two pilot holes 16 intended to cooperate with indexing studs 17 belonging to the mechanical mounting plate 15.
  • the two pilot holes 16 are diametrically opposed to each other. the other. These pilot holes 16 are made in two lugs 19 coming from longitudinal edges of the base 4.
  • pilot holes 16 has dimensions substantially identical to those of the corresponding pad 17, while the other pilot hole 16 of slightly oblong shape has dimensions slightly greater than those of the corresponding pad 17. This avoids having a hyperstatic system by adjusting the positioning of the base 4 in the longitudinal direction of the vehicle and / or in a transverse direction of the vehicle.
  • pilot holes 16 are replaced by pins from the lugs 19 intended to cooperate with holes of complementary shape formed in the plate 15.
  • the base 4 comprises two bearing zones 21 located around the openings 11 each intended to bear against a corresponding bearing surface 30 of the plate 15. These bearing zones 21 project from protruding from other body 2.
  • the axes of the pilot holes 16 and the openings 11 made in the base 4 are substantially perpendicular to the axis of the housing 6 receiving the arm 3.
  • the mechanical mounting plate 15 comprises two supports 25 vis-à-vis each having a generally U-shaped.
  • the free ends of the branches of the supports 25 are positioned at a distance from each other.
  • These supports 25 thus delimit a passage 28 of substantially rectangular section for the body 2 of the hanger 1.
  • each support 25 has a bearing surface 30 of the base 4 located around a screwing spindle 26. studs 17 from the bearing faces are positioned near two angles of the opening defining the passage 28 which are diametrically opposed.
  • the hanger 1 is placed on the mechanical mounting plate 15.
  • the body 2 is inserted inside the passage 28 via its end having the beveled corners 9.
  • the centering under control of the Hanger 1 on the mechanical plate 15 is made by cooperating the indexing studs 17 of the supports 25 with the pilot holes 16 of the hanger 1.
  • the bearing zones 21 of the hanger 1 are pressed against the bearing surfaces 30 corresponding corresponding supports 25.
  • Each opening 11 of the base 4 is then positioned opposite the corresponding screwing pin 26.
  • the mechanical mounting plate 15 is then moved with the hanger 1 which it carries near the sub-body element 40 as is illustrated in FIGS. Figures 2c and 2d .
  • the element 40 comprises a flat zone 41 against which the hanger 1 is intended to be fixed.
  • the pins 26 and the openings 11 of the hanger 1 are positioned opposite corresponding holes 43 made in the flat area 41 of the cross brace.
  • the suspension 1 is then screwed onto the element 40 of the floor by activation of the screwing pins 26, so that the base 4 is held tight between the head of a screw 12 and the wall of the element 40. , if necessary by means of a clamping washer.
  • the mechanical mounting plate 15 is then removed away from the underbody element 40, as shown in FIG. figure 2e .
  • the exhaust line 5 being maintained by four exhaust lines, the method can be implemented in a similar manner for the attachment of the exhaust lines to three other underbody elements consisting for example of a spar, of a rear crossmember, and an area under the floor of the vehicle, or any other room capable of accepting an exhaust line.
  • the plates 15 will be integrated into a mechanical member door on which is installed the exhaust line before fixing under the floor of the vehicle.
  • the hanger 1 comprises a single bearing zone 21 with the mechanical mounting plate 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Vibration Prevention Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (10)

  1. Baugruppe, gebildet aus - einer Kraftfahrzeug-Abgasaufhängung (1), umfassend einen in einem elastischen Material ausgeführten Körper (2), der dazu bestimmt ist, mit einem Arm (3) zusammenzuwirken, der aus einer Abgasleitung (5) hervorgeht, und ein Unterteil (4), das mit mindestens einer Öffnung (11) ausgestattet ist, die dazu ausgebildet ist, einen Durchtritt von einem Mittel zum Befestigen (12) der Abgasaufhängung (1) an einem Element (40) zu gestatten, das sich unter einem Kraftfahrzeugboden befindet, und -einer mechanischen Montageplatte (15), dadurch gekennzeichnet, dass das Unterteil (4) weiter Mittel zum Ausrichten (14) der Abgasaufhängung (1) in Bezug auf eine mechanische Montageplatte (15) durch Zusammenwirken zwischen mindestens zwei Ausrichtzapfen (17) und zwei entsprechenden Führungslöchern (16) umfasst.
  2. Baugruppe nach Anspruch 1, dadurch gekennzeichnet, dass die Ausrichtmittel (14) aus zwei in dem Unterteil (4) ausgeführten Führungslöchern (16) bestehen, die dazu ausgebildet sind, mit den zur mechanischen Montageplatte (15) gehörenden Ausrichtzapfen (17) zusammenzuwirken.
  3. Baugruppe nach Anspruch 2, dadurch gekennzeichnet, dass die zwei Führungslöcher (16) in Laschen (19) ausgeführt sind, die aus Längskanten des Unterteils (4) hervorgehen.
  4. Baugruppe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die zwei Führungslöcher (16) einander diametral gegenüberliegen.
  5. Baugruppe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass eines der Führungslöcher (16) Abmessungen aufweist, die im Wesentlichen mit denjenigen des entsprechenden Ausrichtzapfens (17) identisch sind, wohingegen das andere Führungsloch (16) von länglicher Form Abmessungen besitzt, die geringfügig größer als diejenigen des entsprechenden Ausrichtzapfens (17) sind.
  6. Baugruppe nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Unterteil (4) mindestens einen Abstützbereich (21) umfasst, der dazu bestimmt ist, sich an einer entsprechenden Stützfläche (30) der mechanischen Montageplatte (15) abzustützen.
  7. Baugruppe nach Anspruch 6, dadurch gekennzeichnet, dass das Unterteil (4) zwei Abstützbereiche (21) umfasst, die sich beidseits des Körpers (2) vorstehend erstrecken.
  8. Baugruppe nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Körper (2) eine Quaderform aufweist, die zwei abgeschrägte Winkel (9) besitzt, die auf einer dem Unterteil (4) gegenüberliegenden Seite befinden.
  9. Verfahren zum automatischen Montieren einer Abgasaufhängung (1) und einer mechanischen Montageplatte (15), die die Baugruppe nach einem der vorstehenden Ansprüche bilden, dadurch gekennzeichnet, dass das Verfahren umfasst:
    - einen Schritt des Anbringens der Abgasaufhängung (1) auf einer mechanischen Montageplatte (15) über die Ausrichtmittel (14),
    - einen Schritt des Bewegens des Organträgers in die Nähe eines Elements (40), das sich unter einem Boden des Kraftfahrzeugs befindet,
    - einen Schritt des Montierens, insbesondere durch mechanische Mittel, vorzugsweise durch Verschrauben, der Abgasaufhängung (1) an dem Element, und
    - einen Schritt des Zurückziehens der mechanischen Montageplatte (15).
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass der Schritt des Anbringens der Abgasaufhängung darin besteht, die in dem Unterteil (4) der Abgasaufhängung (1) gefertigten Führungslöcher (16) mit den Ausrichtzapfen (17) der mechanischen Montageplatte (15) zusammenwirken zu lassen.
EP15717023.4A 2014-04-01 2015-03-20 Auspuffaufhänger eines kraftfahrzeugs Active EP3126647B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1452857A FR3019213A1 (fr) 2014-04-01 2014-04-01 Suspente d'echappement de vehicule automobile
PCT/FR2015/050703 WO2015150658A1 (fr) 2014-04-01 2015-03-20 Suspente d'echappement de vehicule automobile

Publications (2)

Publication Number Publication Date
EP3126647A1 EP3126647A1 (de) 2017-02-08
EP3126647B1 true EP3126647B1 (de) 2017-12-20

Family

ID=51168102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15717023.4A Active EP3126647B1 (de) 2014-04-01 2015-03-20 Auspuffaufhänger eines kraftfahrzeugs

Country Status (5)

Country Link
EP (1) EP3126647B1 (de)
CN (1) CN106164436B (de)
ES (1) ES2654415T3 (de)
FR (1) FR3019213A1 (de)
WO (1) WO2015150658A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3077845B1 (fr) * 2018-02-14 2020-01-24 Psa Automobiles Sa Vehicule automobile a crochet d’echappement relie au silencieux par des moyens rupture predetermine
US10718253B2 (en) * 2018-08-14 2020-07-21 The Pullman Company Exhaust system isolator mount with anti-rotation feature

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643698C1 (en) * 1986-12-20 1988-07-07 Audi Ag Vibration-insulating suspension for a pipe through which a hot medium flows
KR100507168B1 (ko) * 2002-10-31 2005-08-11 현대자동차주식회사 자동차 소음기 고정기구
FR2869351B1 (fr) * 2004-04-27 2006-07-07 Delmon Ind Sa Dispositif support de ligne d'echappement
FR2933341B1 (fr) * 2008-07-04 2011-02-11 Peugeot Citroen Automobiles Sa Systeme de liaison d'un composant d'echappement d'un vehicule automobile a un element de caisse dudit vehicule
CN203438837U (zh) * 2013-08-28 2014-02-19 安徽瑞泰汽车零部件有限责任公司 排气管吊架
CN203438838U (zh) * 2013-08-28 2014-02-19 安徽瑞泰汽车零部件有限责任公司 排气管吊架总成
CN203460690U (zh) * 2013-09-02 2014-03-05 安徽瑞泰汽车零部件有限责任公司 一种排气管吊架总成

Also Published As

Publication number Publication date
CN106164436B (zh) 2018-08-07
FR3019213A1 (fr) 2015-10-02
CN106164436A (zh) 2016-11-23
WO2015150658A1 (fr) 2015-10-08
ES2654415T3 (es) 2018-02-13
EP3126647A1 (de) 2017-02-08

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