KR100666296B1 - Dynamic danper fixing device - Google Patents

Dynamic danper fixing device Download PDF

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Publication number
KR100666296B1
KR100666296B1 KR1020050101877A KR20050101877A KR100666296B1 KR 100666296 B1 KR100666296 B1 KR 100666296B1 KR 1020050101877 A KR1020050101877 A KR 1020050101877A KR 20050101877 A KR20050101877 A KR 20050101877A KR 100666296 B1 KR100666296 B1 KR 100666296B1
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KR
South Korea
Prior art keywords
bracket
steel
dynamic damper
shaft
exhaust system
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KR1020050101877A
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Korean (ko)
Inventor
채성수
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현대자동차주식회사
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Priority to KR1020050101877A priority Critical patent/KR100666296B1/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units

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

Abstract

A dynamic damper fixing device is provided to prevent of a steel from a bracket even though an elastic body formed of a rubber material is aged. A dynamic damper fixing device includes a bracket(31), a resilient body(32), and a steel(33). The resilient body is directly connected to the bracket and formed of a rubber material. The steel is vulcanization adhered to the resilient body. The steel includes a shaft(34), and a stopper(35). The stopper is disposed at a tip of the shaft to prevent separation of the steel from the bracket. The bracket and the resilient body have holes through which the shaft passes. The hole has a diameter larger than that of the shaft, and smaller than that of the stopper. An insulating member is mounted on a predetermined part of the exhaust system. The insulating member includes a gasket, and a heat shielding plate. The bracket is fixed to the gasket by a bolt. The heat shielding plate is mounted on the gasket.

Description

배기계용 다이내믹 댐퍼 고정장치{Dynamic danper fixing device}Dynamic damper fixing device for exhaust system

도 1은 종래 배기계의 구조도.1 is a structural diagram of a conventional exhaust system.

도 2는 종래 배기계에 장착되는 다이내믹 댐퍼의 구조도.2 is a structural diagram of a dynamic damper mounted on a conventional exhaust system.

도 3은 본 발명의 일실시예로 다이내믹 댐퍼가 장착된 배기계의 구조도.3 is a structural diagram of an exhaust system equipped with a dynamic damper according to one embodiment of the present invention.

도 4는 본 발명의 일실시예로 배기계에 다이내믹 댐퍼가 장착된 상태를 보인 확대 사시도.Figure 4 is an enlarged perspective view showing a state in which the dynamic damper is mounted to the exhaust system in one embodiment of the present invention.

도 5는 본 발명의 일실시예로 배기계에 다이내믹 댐퍼가 장착된 상태를 보인 확대 단면도.Figure 5 is an enlarged cross-sectional view showing a state in which the dynamic damper is mounted to the exhaust system in one embodiment of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

11; 촉매장치 12; 센터소음기11; Catalytic device 12; Center silencer

13; 메인소음기 14; 파이프라인13; Main silencer 14; Pipeline

20; 절연부재 21; 가스켓20; Insulation member 21; gasket

22; 차열판 31; 브라켓트22; Heat shield 31; Bracket

31a; 홀 32; 탄성체31a; Hole 32; Elastomer

33; 스틸 34; 샤프트33; Steel 34; shaft

35; 스토퍼 100; 다이내믹 댐퍼35; Stopper 100; Dynamic damper

본 발명은 차량의 배기계의 진동 저감을 위한 다이내믹 댐퍼에 관한 것으로서, 보다 상세하게는 진동 흡수용의 다이내믹 댐퍼를 통해 스틸(mass)을 견고하게 고정시켜 차량의 주행중 고무 파손에 의한 스틸 이탈을 방지할 수 있도록 하는 배기계용 다이내믹 댐퍼 고정장치에 관한 것이다.The present invention relates to a dynamic damper for reducing vibration of an exhaust system of a vehicle. More particularly, the present invention relates to a dynamic damper for vibration damping. The present invention relates to a dynamic damper fixing device for an exhaust system.

도 1을 참조하면, 통상적인 차량 엔진의 배기계통으로는 엔진으로 부터 촉매장치(1)와 센터소음기(2), 그리고 메인 소음기(3)을 포함하며, 상기 촉매장치(1)와 센터소음기(2) 및 메인소음기(3)는 파이프라인(4)을 통해 그 연결이 이루어지도록 하였다.Referring to FIG. 1, the exhaust system of a typical vehicle engine includes a catalyst device 1, a center silencer 2, and a main silencer 3 from an engine, and the catalyst device 1 and a center silencer ( 2) and the main silencer 3 is to be connected through the pipeline (4).

이때, 상기 센터소음기(2)와 메인소음기(3) 사이의 파이프라인(4)에는 배기계의 진동 저감을 위한 다이내믹 댐퍼(100)가 고정되도록 하였으며, 상기 다이내믹 댐퍼(100)는 도 2에서와 같이 고무로 이루어진 탄성체(5)와 스틸(mass)(6), 그리고 브라켓트(7)를 포함한다.At this time, the dynamic damper 100 for reducing vibration of the exhaust system is fixed to the pipeline 4 between the center silencer 2 and the main silencer 3, and the dynamic damper 100 is as shown in FIG. 2. It comprises an elastic body 5 made of rubber, a mass 6 and a bracket 7.

즉, 상기 고무로 이루어진 탄성체(5)는 스틸(6)과 가류접착방식으로 연결되도록 하고, 더불어 상기 고무로 이루어진 탄성체(5)는 브라켓트(7)에 직접 연결되도록 하였다.That is, the elastic body 5 made of rubber is connected to the steel 6 in a vulcanized adhesive manner, and the elastic body 5 made of rubber is directly connected to the bracket 7.

그러나, 종래의 다이내믹 댐퍼(100)는 고무로 이루어진 탄성체(5)와 스틸(6)의 가류접착 불량이 발생할 경우 차량이 주행중인 상태에서 스틸(6)이 이탈되는 구 조적인 문제를 가지고 있다.However, the conventional dynamic damper 100 has a structural problem in which the steel 6 is released in a state in which the vehicle is running when a vulnerable adhesion failure between the elastic body 5 made of rubber and the steel 6 occurs.

또한, 종래에는 차량의 주행중 고무로 이루어진 탄성체(5)가 배기열에 의해 노화되는 경우가 많았으며, 이 경우에도 스틸(6)이 쉽게 이탈되면서 노면으로 스틸(6)이 떨어져 심각한 안전위험을 초래하는 구조적인 문제점을 가지고 있다.In addition, in the related art, the elastic body 5 made of rubber is often aging due to exhaust heat while the vehicle is running. In this case, the steel 6 easily falls off and the steel 6 falls to the road surface, which causes a serious safety risk. There is a structural problem.

따라서, 본 발명은 상기와 같은 종래의 문제점을 해결하기 위해 안출된 것으로, 다이내믹 댐퍼를 이루는 스틸에 샤프트와 스토퍼를 구성한 후 이를 브라켓트에 고정함으로써, 탄성체와 스틸의 가류접착 불량하거나, 또는 차량이 주행중인 상태에서 배기열에 의해 고무로 이루어진 탄성체의 노화가 발생하더라도 스틸이 브라켓트로부터 이탈되는 것을 방지하여, 노면으로 스틸이 떨어지면서 초래되는 안전위험을 방지할 수 있도록 하는 배기계용 다이내믹 댐퍼 고정장치를 제공하려는데 그 목적이 있는 것이다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, by forming a shaft and a stopper in the steel constituting the dynamic damper and then fixing it to the bracket, poor vulcanization of the elastic body and steel, or while the vehicle is running It is to provide a dynamic damper fixing device for an exhaust system that prevents the steel from escaping from the bracket even when aging of the elastic body made of rubber due to the exhaust heat in the phosphorus state prevents the safety risk caused by the steel falling to the road surface. The purpose is.

이하, 첨부된 도면에 의하여 본 발명의 바람직한 일실시예를 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

도 3은 본 발명의 일실시예로 다이내믹 댐퍼가 장착된 배기계의 구조도이고, 도 4는 본 발명의 일실시예로 배기계에 다이내믹 댐퍼가 장착된 상태를 보인 확대 사시도이며, 도 5는 본 발명의 일실시예로 배기계에 다이내믹 댐퍼가 장착된 상태를 보인 확대 단면도 이다.3 is a structural diagram of an exhaust system equipped with a dynamic damper as an embodiment of the present invention, Figure 4 is an enlarged perspective view showing a state in which the dynamic damper is mounted to the exhaust system as an embodiment of the present invention, Figure 5 is In one embodiment is an enlarged cross-sectional view showing a state in which a dynamic damper is mounted on the exhaust system.

도 3 내지 도 5에 도시된 바와같이, 촉매장치(11)와 센터소음기(12) 및 메인 소음기(13)로 구성되어 파이프라인(14)으로 연결되는 차량용 배기계에 있어서,As shown in Figures 3 to 5, in the vehicle exhaust system composed of the catalyst device 11, the center silencer 12 and the main silencer 13 connected to the pipeline 14,

상기 배기계의 일정부위로서 센터소음기(12)와 메인소음기(13) 사이의 파이프라인(14)에는 절연부재(20)를 장착 구성하고,As a part of the exhaust system, an insulation member 20 is mounted on the pipeline 14 between the center silencer 12 and the main silencer 13.

상기 다이내믹 댐퍼(100)는 상기 절연부재(20)에 볼트(20a)를 통해 고정되는 브라켓트(31), 상기 브라켓트(31)에 직접 연결되는 고무로 이루어진 탄성체(32), 그리고 상기 탄성체(32)에 가류접착되는 스틸(33)로 구성하며,The dynamic damper 100 is a bracket 31 fixed to the insulating member 20 through a bolt 20a, an elastic body 32 made of rubber directly connected to the bracket 31, and the elastic body 32. Consists of steel 33 that is vulcanized to

상기 스틸(33)에는 샤프트(34) 및, 상기 샤프트(34)의 끝단부에 마련되어 브라켓트(31)로부터 스틸(33)이 이탈되는 것을 방지시키는 스토퍼(35)를 구성함을 특징으로 한다.The steel 33 is provided with a shaft 34 and a stopper 35 provided at the end of the shaft 34 to prevent the steel 33 from being separated from the bracket 31.

다른 일면에 따라, 상기 브라켓트(31)과 탄성체(32)에는 상기 샤프트(34)가 관통되는 홀(31a)을 각각 구성하되, 상기 홀(31a)은 샤프트(34)의 직경보다는 크지만, 상기 스토퍼(35)의 직경보다는 작게 구성함을 특징으로 한다.According to another aspect, the bracket 31 and the elastic body 32 each constitutes a hole 31a through which the shaft 34 penetrates. The hole 31a is larger than the diameter of the shaft 34, but It is characterized in that the configuration smaller than the diameter of the stopper (35).

또 다른 일면에 따라, 상기 절연부재(20)는,According to yet another aspect, the insulating member 20,

다이내믹 댐퍼(100)의 브라켓트(31)가 고정되는 가스켓(21) 및, 상기 가스켓(21)의 위로 장착되는 차열판(22)의 이중 구조로 구성함을 특징으로 한다.The gasket 21 to which the bracket 31 of the dynamic damper 100 is fixed and the heat shield plate 22 mounted above the gasket 21 are configured as a double structure.

이와같이 구성된 본 발명의 일실시예에 대한 작용을 첨부된 도 2 내지 도 5를 참조하여 설명하면 다음과 같다.Referring to Figures 2 to 5 attached to the operation of an embodiment of the present invention configured as described above are as follows.

먼저, 센터소음기(12)와 메인소음기(13) 사이의 파이프라인(14)에 절연부재(20)로서 가스켓(21)을 장착한 후, 상기 가스켓(21)의 위로는 차열판(22)을 장착하여 둔다.First, the gasket 21 is mounted as the insulating member 20 in the pipeline 14 between the center silencer 12 and the main silencer 13, and then the heat shield plate 22 is disposed above the gasket 21. Put it on.

이후, 상기 차열판(22)에는 다이내믹 댐퍼(100)를 이루는 브라켓트(31)를 볼트(20a)를 통해 고정한 후, 상기 브라켓트(31)에 고무로 이루어진 탄성체(32)를 직접 연결한다.Thereafter, the bracket 31 constituting the dynamic damper 100 is fixed to the heat shield plate 22 through the bolt 20a, and then the elastic body 32 made of rubber is directly connected to the bracket 31.

이때, 상기 브라켓트(31)와 탄성체(32)에는 각각 홀(31a)을 마련하여 둔다.In this case, holes 31a are provided in the bracket 31 and the elastic body 32, respectively.

다음으로, 상기 탄성체(32)에 가류접착되는 스틸(33)에 샤프트(34)를 일체화시킨 후, 상기 샤프트(34)의 끝단부에는 스토퍼(35)를 마련하여 둔다.Next, after the shaft 34 is integrated into the steel 33 which is vulcanized and bonded to the elastic body 32, a stopper 35 is provided at the end of the shaft 34.

이때, 상기 브라켓트(31)와 탄성체(32)에 각각 마련된 홀(31a)은 상기 샤프트(34)의 직경보다는 크게 하는 반면, 상기 스토퍼(35)의 직경보다는 작게 설계한다.At this time, the holes 31a respectively provided in the bracket 31 and the elastic body 32 are designed to be larger than the diameter of the shaft 34 and smaller than the diameter of the stopper 35.

그러면, 상기 샤프트(34)와 스토퍼(35)가 홀(31a)을 관통시킨 후, 상기 스틸(33)과 탄성체(32)를 가류접착시킬 때, 상기 스틸(33)은 상기 탄성체(32)가 배기열에 의해 노화되더라도 상기 스토퍼(35)에 의해 걸림이 이루어지면서 브라켓트(31)로부터 이탈되는 것을 방지할 수 있게 되는 것이다.Then, when the shaft 34 and the stopper 35 penetrate the hole 31a, and when the steel 33 and the elastic body 32 are vulcanized, the steel 33 is the elastic body 32 Even if it is aged by the exhaust heat, it is possible to prevent the bracket 31 from being detached while being caught by the stopper 35.

더불어, 상기 브라켓트(31)를 파이프라인(14)에 볼트(22)를 통해 고정할 때, 상기 파이프라인(14)에 이중의 절연부재(20)인 가스켓(21)과 차열판(22)을 겹쳐둔 상태에서 그 위에 고정되도록 하였는 바,In addition, when the bracket 31 is fixed to the pipeline 14 through the bolt 22, the gasket 21 and the heat shield plate 22, which are double insulating members 20, are fixed to the pipeline 14. It was fixed on it in the overlapped state,

상기 브라켓트(31)에 직접 연결되는 고무재질의 탄성체(32)로는 배기열의 전달이 직접적으로 이루어지지 않게 됨으로써, 상기 고무로 이루어진 탄성체(32)는 배기열에 의한 노화현상이 방지될 수 있게 되고, 이에따라 상기 다이내믹 댐퍼(100)는 배기계에서의 국부적인 진동을 효과적으로 흡수할 수 있게 되는 것이다.As the elastic material 32 of the rubber material directly connected to the bracket 31 is not directly transmitted to the exhaust heat, the elastic body 32 made of the rubber can be prevented from aging due to the exhaust heat. The dynamic damper 100 is capable of effectively absorbing local vibration in the exhaust system.

이상에서 설명한 바와같이 본 발명은 다이내믹 댐퍼를 이루는 스틸에 샤프트와 스토퍼를 구성한 후 이를 브라켓트에 고정하여, 탄성체와 스틸의 가류접착 불량하거나, 또는 차량이 주행중인 상태에서 배기열에 의해 고무로 이루어진 탄성체의 노화가 발생하더라도 스틸이 브라켓트로부터 이탈되는 것을 방지하여, 노면으로 스틸이 떨어지면서 초래되는 안전위험을 방지하는 효과를 얻을 수 있는 것이다.As described above, the present invention configures the shaft and the stopper in the steel constituting the dynamic damper, and then fixes the shaft and the stopper to the bracket, so that the elastic body and the elastic body are poorly bonded to the elastic body, or the elastic body made of rubber by exhaust heat while the vehicle is running. Even if aging occurs, it is possible to prevent the steel from being separated from the bracket, thereby preventing the safety risk caused by the steel falling to the road surface.

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와같은 변경은 청구범위 기재의 범위내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (4)

촉매장치와 센터소음기 및 메인소음기로 구성되어 파이프라인으로 연결되는 차량용 배기계에 있어서,In the vehicle exhaust system composed of a catalytic device, a center silencer and a main silencer connected by a pipeline, 상기 다이내믹 댐퍼는 브라켓트, 상기 브라켓트에 직접 연결되는 고무로 이루어진 탄성체, 그리고 상기 탄성체에 가류접착되는 스틸로 구성하며,The dynamic damper is composed of a bracket, an elastic body made of rubber directly connected to the bracket, and steel vulcanized to the elastic body, 상기 스틸에는 샤프트 및, 상기 샤프트의 끝단부에 마련되어 브라켓트로부터 스틸이 이탈되는 것을 방지시키는 스토퍼를 구성함을 특징으로 하는 배기계용 다이내믹 댐퍼 고정장치.The steel has a dynamic damper fixing device for an exhaust system, characterized in that the shaft and a stopper provided at the end of the shaft to prevent the steel from being separated from the bracket. 제 1 항에 있어서, 상기 브라켓트와 탄성체에는 상기 샤프트가 관통되는 홀을 각각 구성하되, 상기 홀은 샤프트의 직경보다는 크지만, 상기 스토퍼의 직경보다는 작게 구성함을 특징으로 하는 배기계용 다이내믹 댐퍼 고정장치.The apparatus of claim 1, wherein each of the bracket and the elastic body has a hole through which the shaft penetrates, wherein the hole is larger than the diameter of the shaft, but smaller than the diameter of the stopper. . 제 1 항에 있어서, 상기 배기계의 일정부위에는 절연부재를 장착 구성함을 특징으로 하는 배기계용 다이내믹 댐퍼 고정장치.The dynamic damper fixing apparatus for an exhaust system according to claim 1, wherein an insulating member is mounted at a predetermined portion of the exhaust system. 제 3 항에 있어서, 상기 절연부재는, 다이내믹 댐퍼의 브라켓트가 볼트를 통해 고정되는 가스켓 및, 상기 가스켓의 위로 장착되는 차열판의 이중구조로 구성함을 특징으로 하는 배기계용 다이내믹 댐퍼 고정장치.The dynamic damper fixing apparatus for an exhaust system according to claim 3, wherein the insulating member comprises a dual structure of a gasket in which a bracket of the dynamic damper is fixed through a bolt, and a heat shield plate mounted above the gasket.
KR1020050101877A 2005-10-27 2005-10-27 Dynamic danper fixing device KR100666296B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100925928B1 (en) * 2007-12-14 2009-11-09 기아자동차주식회사 Variable complex muffler typed exhaust system in vehicle
KR100993716B1 (en) 2008-07-22 2010-11-10 현대자동차주식회사 a muffler damper structure for a vehicle
JP2020051443A (en) * 2018-09-24 2020-04-02 住友理工株式会社 Vibration control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100925928B1 (en) * 2007-12-14 2009-11-09 기아자동차주식회사 Variable complex muffler typed exhaust system in vehicle
KR100993716B1 (en) 2008-07-22 2010-11-10 현대자동차주식회사 a muffler damper structure for a vehicle
JP2020051443A (en) * 2018-09-24 2020-04-02 住友理工株式会社 Vibration control system
JP7074632B2 (en) 2018-09-24 2022-05-24 住友理工株式会社 Vibration damping device

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