WO2018092978A1 - Dispositif de suspension pour fixer un tuyau d'échappement de véhicule - Google Patents

Dispositif de suspension pour fixer un tuyau d'échappement de véhicule Download PDF

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Publication number
WO2018092978A1
WO2018092978A1 PCT/KR2017/000182 KR2017000182W WO2018092978A1 WO 2018092978 A1 WO2018092978 A1 WO 2018092978A1 KR 2017000182 W KR2017000182 W KR 2017000182W WO 2018092978 A1 WO2018092978 A1 WO 2018092978A1
Authority
WO
WIPO (PCT)
Prior art keywords
damper
hanger
exhaust pipe
outer body
inner body
Prior art date
Application number
PCT/KR2017/000182
Other languages
English (en)
Korean (ko)
Inventor
김성술
이재원
남종순
Original Assignee
주식회사 디엠씨
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 주식회사 디엠씨 filed Critical 주식회사 디엠씨
Publication of WO2018092978A1 publication Critical patent/WO2018092978A1/fr

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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
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits

Definitions

  • the present invention relates to a hanger for fixing an automobile exhaust pipe, and more particularly, to fix the exhaust pipe provided at the bottom of the vehicle to the vehicle body, to effectively insulate the vibration generated in the exhaust pipe, and to prevent deformation of the hanger due to impact during driving.
  • the present invention relates to a vehicle exhaust pipe fixing hanger.
  • the engine of an automobile is operated by a mixture of air and fuel is sucked into the cylinder and burned, and the combustion gas generated is discharged to the outside through the exhaust pipe.
  • the hanger is a component that serves to fix the muffler to the lower chassis frame and the vehicle body of the vehicle.
  • the exhaust pipe hanger functions to reduce the vibration and noise of the exhaust pipe and the vehicle body while providing the exhaust pipe to the vehicle body.
  • Such a hanger has two or more installation holes therein so that the installation portion of the exhaust pipe and the installation portion of the vehicle body are fitted into the hanger, and a vibration absorbing hole is formed to prevent vibration and noise separately from the installation hole.
  • the vibration of this installation portion is to transmit the vibration to the installation hole portion of the hanger.
  • the vibration generated hanger is elastic, and the displacement is generated in the body by the space of the vibration absorbing hole to reduce the vibration and thus the noise.
  • this hanger should be reduced and cut off the vibration frequency in a wide frequency range of 20 ⁇ 500 Hz in the idling state, the hanger formed of a rubber material has a problem that is difficult to expect the vibration reduction effect to the vibration frequency range.
  • the present invention is to solve the above-described problems, effectively reduce the transmission of vibration and noise of the exhaust pipe to the vehicle body, it is possible to prevent the phenomenon causing the exhaust pipe to interfere with the vehicle body by preventing the deformation of the hanger due to the impact while driving.
  • An object of the present invention is to provide a hanger for fixing a vehicle exhaust pipe.
  • the present invention comprises a damper insertion hole 110 is formed, the bracket 100 is attached to the vehicle body side and the damper 200 is inserted into the damper insertion hole 110 fixed to the automobile exhaust pipe made of In the hanger, the damper 200 is provided with a body portion, the body portion is a ring-shaped outer body 220 having a hollow portion in the center, and the inner body 230 located in the hollow portion of the outer body 220 And a plurality of connection parts 240 formed at the center of the inner body 230 to connect the through-hole 231 into which the isolator pin is inserted, and the inner circumferential portion of the outer body 220 and the outer circumferential portion of the inner body 230. ), Wherein the axial length (L2) of the inner body 230 is longer than the axial length (L1) of the outer body 220 (L2> L1) for fixing the exhaust pipe A hanger is provided.
  • the front surface 230a and the rear surface 230b of the inner body 230 are formed to protrude from the front surface 220a and the rear surface 220b of the outer body 220, the axial length (L1) of the inner body ) Is an interval between the front and rear of the inner body, the axial length (L2) of the outer body is characterized in that the interval between the front and rear of the outer body.
  • connection portion 240 is inclined surface 240a )
  • the inclined surface (240a) disposed on the left and right is characterized in that it is formed to widen in the direction of the inner body 230 from the outer body (220).
  • the outer body 220 is formed on the inner circumferential surface of the upper and lower sides, the stopper 221 is provided to be spaced apart from the outer circumferential surface of the upper and lower sides of the inner body 230, the outer circumferential surface of the inner body 230 in the stopper 221
  • the inner side facing the surface is formed of a concave curved surface 221a, and the radial length W2 of the stopper 221-2 formed on the lower inner circumferential surface of the outer body 220 is the upper portion of the outer body 220. It is characterized in that it is larger than the radial length size (W1) of the stopper (221-1) formed on the side inner peripheral surface.
  • a protrusion 232 protruding in the circumferential direction of the through hole 231 is formed, and the protrusion 232 has an inclined surface 232 a formed at both sides thereof. And a plane 232b connecting the inclined surface 232a is formed.
  • the present invention by suppressing the vibration and deformation of the hanger to effectively reduce the transmission and vibration of the exhaust pipe to the vehicle body, and to prevent the phenomenon causing interference with the exhaust pipe and the vehicle body by severe impact while driving. It is possible to improve the ride comfort of the passengers and the merchandise of the vehicle.
  • FIG. 1 is a front view of a hanger in which a bracket, an outer pipe, and a body part are coupled according to an exemplary embodiment of the present invention
  • FIG. 2 is a front view of a hanger in which a bracket, an outer pipe, a body part, and an inner pipe are combined according to an embodiment of the present invention
  • FIG. 3 is a front view of a bracket according to an embodiment of the present invention.
  • FIG. 4 is a front view and a cross-sectional view of a damper coupled to the outer pipe and the body portion according to an embodiment of the present invention
  • Figure 5 is a front view of a damper coupled to the bracket and the outer pipe and the body portion and the inner pipe according to an embodiment of the present invention
  • FIG. 6 is a side view of a damper having a bracket, an outer pipe, a body portion, and an inner pipe coupled according to another preferred embodiment of the present invention
  • FIG. 7 is a cross-sectional view taken along line AA ′ of FIG. 5.
  • FIG. 1 is a front view of a hanger in which a bracket, an outer pipe, and a body unit are coupled according to a preferred embodiment of the present invention
  • FIG. 2 is a bracket, an outer pipe, a body portion, and an inner pipe according to a preferred embodiment of the present invention
  • Figure 3 is a front view of the hanger coupled to
  • Figure 3 is a front view of the bracket according to a preferred embodiment of the present invention
  • Figure 4 is a front view and a sectional view of a damper coupled to the outer pipe and the body portion according to a preferred embodiment of the present invention
  • 5 is a front view of a damper in which a bracket, an outer pipe, a body portion, and an inner pipe are coupled according to a preferred embodiment of the present invention
  • FIG. 6 is a bracket, outer pipe, and body according to another preferred embodiment of the present invention.
  • Figure 7 is a cross-sectional view taken along AA ′ of FIG.
  • a hanger 10 As shown in FIG. 1 or less, a hanger 10 according to an embodiment of the present invention includes a bracket 100 and a damper 200.
  • the bracket 100 is attached to its own side, and a damper insertion hole 110 into which the damper 200 is inserted is formed.
  • the bracket 100 may be made of steel (steel) or aluminum, thermoplastic resin.
  • damper insertion hole 120 surrounding the damper insertion hole 110, and the mounting portion 130 protruding from the damper insertion hole 120 to one side (side) is attached to the vehicle body side. .
  • the damper 200 is provided with a body portion, the body portion has a ring-shaped outer body 220 having a hollow portion in the center, the inner body 230 located in the hollow portion of the outer body 220, and the inner body 230 includes a through hole 231 formed at the center and inserting an isolator pin, and a plurality of connection parts 240 connecting the inner circumference of the outer body 220 and the outer circumference of the inner body 230.
  • the damper 200 is composed of the body portion and the outer pipe 210 provided to surround the outer peripheral surface of the outer body 220.
  • the damper 200 is inserted into the inner body 230 of the body part to prevent excessive displacement of the side surface of the through hole 231 and is formed to surround the through hole 231 while being spaced apart from the inner pipe 250. It may be made to include more.
  • the body portion, the outer pipe 210 and the inner pipe 250 is integrally molded.
  • the damper 200 may include an outer pipe 210 and a body portion, and may include an inner pipe 250.
  • the damper 200 includes the outer pipe 210 and the damping member in a mold, or further includes an inner pipe 250, and insert molding the mold to form the body part.
  • the illustration and detailed description thereof are omitted since they are already well known techniques.
  • the damper 200 is reduced to press-fit the steel material into the damper insertion hole 110.
  • the damper 200 is reduced to steel to offset the corresponding stress between the body portion and the outer pipe 210, and the body portion which is an elastic body is reduced to condense the density of the elastic body to prevent deformation of the body portion due to impact. Attenuation of vibration can effectively reduce the transmission of noise to the vehicle body.
  • an inner pipe 250 formed to surround the inner body 230 while being spaced apart from the through hole 231 is inserted and applied to the inner body 230 by the inner pipe 250 and It prevents deformation due to impact, thereby extending the service life.
  • a coupling groove 150 is formed in the inner circumferential surface 140 of the damper insertion hole 120 in the longitudinal direction, and a predetermined length protrudes inward to the rear end of the damper insertion hole 120 to prevent the damper ( A mounting portion 160 is formed to prevent the escape of the 200.
  • the outer pipe 210 is provided to surround the outer circumferential surface of the outer body 220, and a protrusion fitted into the coupling groove 150 of the damper insertion hole 120 on the outer circumferential surface of the outer pipe 210. 211 is protruded to prevent the damper 200 from rotating in the damper insertion hole 110 in a state in which the damper 200 is assembled to the bracket 100.
  • the damper 200 may include an outer pipe 210 and a body portion, and may further include an inner pipe 250.
  • the outer pipe 210 and the inner pipe 250 may be made of steel (steel) or thermoplastic resin, the body portion is an elastic body for absorbing the vibration of the exhaust pipe rubber or polyester-based and polyurethane-based, polyamide Thermoplastic elastomers such as olefins and olefins.
  • the axial length (L2) of the inner body 230 is formed longer than the axial length (L1) of the outer body 220 (L2> L1).
  • the front surface 230a and the rear surface 230b of the inner body 230 are formed to protrude from the front surface 220a and the rear surface 220b of the outer body 220, the axial length (L1) of the inner body ) Is the distance between the front and back of the inner body, the axial length (L2) of the outer body is the distance between the front and back of the outer body.
  • connection portion 240 is inclined surface 240a )
  • the inclined surface 240a disposed on the left and right sides is formed to widen in the direction of the inner body 230 from the outer body 220.
  • the axial length L2 of the inner body 230 is formed longer than the axial length L1 of the outer body 220 (L2> L1) so that the inner body 230 is the outer body ( More protruded forward and backward than 220, the inclined surface (240a) is formed in the front and rear of the connecting portion 240.
  • the inclined surface 240a may be formed only on one side of the front side or the rear side, and the side without the inclined surface 240a may be formed on the same line as the front side 220a or the rear side 220b of the outer body 220.
  • the front surface 230a and the rear surface 230b of the body 230 are formed.
  • the axial length (L2) of the inner body 230 is formed longer than the axial length (L1) of the outer body 220 for the rigidity of the displacement in the front and rear direction of the inner body (230)
  • An inclined surface 240a is formed on the connection part 240, and rigidity may be adjusted according to the degree and shape of the inclined surface 240a.
  • the stiffness of the inner body 230 may be adjusted by adjusting the inclination of the inclined surface 240a by adjusting the amount of protrusion of the inner body 230.
  • the body portion is provided with a plurality of the connecting portion 240 may be formed between the shock absorbing hole 260 between the outer body 220 and the inner body 230.
  • the stopper 221 is formed on the inner circumferential surface of the upper and lower sides of the outer body 220 to be spaced apart from the outer circumferential surface of the upper and lower sides of the inner body 230, and the outer circumferential surface of the inner body 230 is disposed on the stopper 221.
  • the inner surface facing each other is preferably formed as a concave curved surface 221a.
  • the radial length (W2) of the stopper (221-2) formed on the lower inner peripheral surface of the outer body 220 is the radius of the stopper (221-1) formed on the upper inner peripheral surface of the outer body 220 It is formed larger than the direction length size (W1).
  • the stopper 221 may be further provided on both sides.
  • the displacement toward the lower side is larger than the displacement in the other direction, and accordingly, the size of the lower side stopper 221-2 can be relatively large to effectively control the displacement against the vibration.
  • the displacement difference to the lower side can be reduced compared to the upper side, and the deformation to the stronger impact amount can be prevented.
  • the stopper 221 and the impact mitigation hole 260 prevents deformation of the body part due to impact, and attenuates vibration to effectively reduce noise transmitted to the vehicle body.
  • the protrusion 232 is inclined surface 232a on both sides And a plane 232b connecting the inclined surface 232a is formed.
  • the inner circumferential surface of the inner body 230 and the through hole 231 is formed with a plurality of cutout grooves 233 which are dug in a longitudinal direction.
  • the isolator pins inserted into the through holes 231 are smoothly inserted by the cutting grooves 233.
  • the smoothness and vibration characteristics of the assembly may be adjusted by adjusting the length of the plane 232b of the protrusion 231 and the inclination of the inclined surface 232a.
  • the hanger 10 includes the bracket 100 attached to and fixed to the vehicle body side, and the damper insertion hole 110 is formed in the bracket 100 to the damper 200. Is inserted, the isolator pin is fixed to the inner body 230 of the damper 200.
  • the vibration generated from the exhaust pipe can be attenuated by surrounding the outer circumferential surface of the isolator pin, which is a vibration source of the vibration generated from the exhaust pipe, and spaced apart from the vehicle body.
  • damper 210 outer pipe
  • connection portion 250 inner pipe

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Exhaust Silencers (AREA)

Abstract

La présente invention concerne un dispositif de suspension pour fixer un tuyau d'échappement de véhicule. Le dispositif de suspension comprend : un support (100) ayant un trou d'insertion d'amortisseur (110) formé à l'intérieur de celui-ci de façon à être fixé à un côté de la carrosserie de véhicule; et un amortisseur (200) inséré dans le trou d'insertion d'amortisseur (110). L'amortisseur (200) comprend une partie de corps comprenant un corps externe en forme d'anneau (220) ayant une partie creuse formée au centre de celui-ci, un corps interne (230) positionné au niveau de la partie creuse du corps externe (220), un trou traversant (231) formé au centre du corps interne (230) et ayant une broche d'isolateur insérée à travers celui-ci, et de multiples parties de connexion (240) pour relier une partie périphérique interne du corps externe (220) à une partie périphérique externe du corps interne (230), à condition que le corps interne (230) ait une longueur axiale (L2) supérieure à une longueur axiale (L1) du corps externe (220) (L2 > L1)
PCT/KR2017/000182 2016-11-17 2017-01-06 Dispositif de suspension pour fixer un tuyau d'échappement de véhicule WO2018092978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160153543A KR101748434B1 (ko) 2016-11-17 2016-11-17 자동차 배기관 고정용 행거
KR10-2016-0153543 2016-11-17

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WO2018092978A1 true WO2018092978A1 (fr) 2018-05-24

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WO (1) WO2018092978A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469655A (zh) * 2019-01-23 2020-07-31 Dmc股份有限公司 隔振器悬架
US11635013B2 (en) 2020-07-13 2023-04-25 Cikautxo, S. Coop. Automotive exhaust system isolator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101927750B1 (ko) 2017-05-23 2018-12-11 주식회사 디엠씨 조립이 용이한 자동차 배기관 고정용 행거
KR102248713B1 (ko) 2019-10-18 2021-05-04 박태수 유리재단용 작업대
KR102298216B1 (ko) 2019-11-19 2021-09-30 주식회사 카비 와전류를 이용한 비철금속 선별장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000055125A (ja) * 1998-08-07 2000-02-22 Toyo Tire & Rubber Co Ltd 排気管用支持装置
KR101385520B1 (ko) * 2013-02-04 2014-04-15 디젠스 주식회사 고분자 복합소재를 이용한 배기시스템 행거브라켓
KR20140082210A (ko) * 2012-12-24 2014-07-02 쌍용자동차 주식회사 자동차용 배기시스템의 진동 흡수 및 위치 제어를 위한 행거
KR20140131486A (ko) * 2014-09-15 2014-11-13 주식회사 디엠씨 자동차 배기관용 행거
KR101531111B1 (ko) * 2013-12-17 2015-06-23 아이아(주) 차량용 부시장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000055125A (ja) * 1998-08-07 2000-02-22 Toyo Tire & Rubber Co Ltd 排気管用支持装置
KR20140082210A (ko) * 2012-12-24 2014-07-02 쌍용자동차 주식회사 자동차용 배기시스템의 진동 흡수 및 위치 제어를 위한 행거
KR101385520B1 (ko) * 2013-02-04 2014-04-15 디젠스 주식회사 고분자 복합소재를 이용한 배기시스템 행거브라켓
KR101531111B1 (ko) * 2013-12-17 2015-06-23 아이아(주) 차량용 부시장치
KR20140131486A (ko) * 2014-09-15 2014-11-13 주식회사 디엠씨 자동차 배기관용 행거

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469655A (zh) * 2019-01-23 2020-07-31 Dmc股份有限公司 隔振器悬架
US11635013B2 (en) 2020-07-13 2023-04-25 Cikautxo, S. Coop. Automotive exhaust system isolator

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