KR100805473B1 - An engine vibration absorbing apparatus - Google Patents

An engine vibration absorbing apparatus Download PDF

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Publication number
KR100805473B1
KR100805473B1 KR1020050110150A KR20050110150A KR100805473B1 KR 100805473 B1 KR100805473 B1 KR 100805473B1 KR 1020050110150 A KR1020050110150 A KR 1020050110150A KR 20050110150 A KR20050110150 A KR 20050110150A KR 100805473 B1 KR100805473 B1 KR 100805473B1
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South Korea
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vehicle
bumper
back beam
engine
vibration
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KR1020050110150A
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Korean (ko)
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KR20070052479A (en
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강철우
정지훈
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

본 발명은 차량 범퍼의 백빔에 웨이트를 설치하여 진동을 흡수할 수 있도록 하는 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조에 관한 것으로서, 차량의 전방 범퍼의 백빔에 있어서, 전방 범퍼의 백빔(1) 중앙에 설치되는 웨이트(10)로 구성된다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine vibration absorbing structure using a back beam of a vehicle bumper to provide a weight to a back beam of a vehicle bumper so as to absorb vibration. The back beam of the front bumper of a vehicle includes: It is composed of a weight (10) installed in.

차량, 전방 범퍼, 백빔, 진동 흡수 Vehicle, front bumper, back beam, vibration absorption

Description

엔진 진동 흡수 구조{An engine vibration absorbing apparatus}An engine vibration absorbing apparatus

도 1a는 종래의 실시예에 따른 좌우 대칭되는 범퍼 백 빔 중 우측만을 나타낸 정면도.1A is a front view showing only the right side of a symmetrical bumper back beam according to a conventional embodiment;

도 1b는 도 1a의 a-a` 부분을 나타낸 단면도. FIG. 1B is a sectional view of a-a ′ portion of FIG. 1A;

도 2는 본 발명에 의한 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조의 일실시예의 구성을 나타내는 평면도.2 is a plan view showing the configuration of an embodiment of the engine vibration absorbing structure using the back beam of the vehicle bumper according to the present invention.

도 3은 본 발명에 의한 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조의 일실시예의 구성을 나타내는 단면도.3 is a cross-sectional view showing the configuration of an embodiment of the engine vibration absorbing structure using the back beam of the vehicle bumper according to the present invention.

도 4는 본 발명의 사용시 발생되는 진동의 감소치를 나타내는 그래프. Figure 4 is a graph showing the reduction of vibration generated when using the present invention.

-도면의 주요부분에 대한 부호설명-Code descriptions for the main parts of the drawings

1 : 백빔 10 : 웨이트1: Back Beam 10: Weight

본 발명은 차량의 범퍼에 관한 것으로서, 특히 차량 범퍼의 백빔에 웨이트를 설치하여 진동을 흡수할 수 있도록 하는 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bumper of a vehicle, and more particularly, to an engine vibration absorbing structure using a back beam of a vehicle bumper to install a weight on a back beam of a vehicle bumper to absorb vibration.

일반적으로 자동차의 엔진은 내부의 피스톤과 컨넥팅 로드의 상하운동에 의한 중심위치의 주기적인 변화와, 실린더 축방향으로 생기는 왕복 운동 부분에서 발생되는 관성력, 커넥팅 로드가 크랭크축의 좌우로 흔들림에 따라 발생되는 관성력 및 크랭크축에 가해지는 회전력의 주기적인 변화에 따른 것 등에 의해 동작중 진동과 소음이 유발된다. In general, the engine of a vehicle is generated by the periodic change of the center position caused by the vertical movement of the piston and the connecting rod, the inertial force generated in the reciprocating part occurring in the axial direction of the cylinder, and the connecting rod swinging to the left and right of the crankshaft. Vibration and noise are caused during operation due to the inertia force and the periodic change of the rotation force applied to the crankshaft.

이에 따라 엔진은, 동작중 차체로 전달되는 진동을 최소화하거나, 엔진의 움직이을 제어하여 내구성을 향상시키기 위해 엔진의 하부에 다수개(통상 3내지 4곳)의 지점으로 적절한 스프링강성을 지닌 고무로 제작된 엔진마운트로 지칭되는 부품을 매개로 엔진룸내에 탑재되고 있다. Accordingly, the engine is made of rubber with appropriate spring stiffness at a number of points (usually 3 to 4 points) at the bottom of the engine to minimize vibrations transmitted to the vehicle body during operation or to control the movement of the engine to improve durability. It is mounted in the engine room via a part called a manufactured engine mount.

그런데, 상기와 같은 목적을 달성하기 위해 사용되는 단일의 고무재료로 이루어진 엔진마운트는, 엔진의 동작중 차체로 전달되는 고주파 미소진동으로부터 차량의 진동소음을 최소화시키기 위해 진동절연특성을 발휘하도록 낮은 강성 및 낮은 감쇠력을 발휘하는 특성이나, 이와는 반대로 저주파 대변위의 진동에서 엔진쇽크를 억제시켜 엔진의 진동을 제어하여 내구성을 향상시키기 위한 높은 강성 및 높은 감쇠력을 발휘하는 특성의 상반되는 요구조건을 모두 충분히 만족시킬 수 없었다.However, the engine mount made of a single rubber material used to achieve the above object has a low rigidity so as to exhibit vibration insulation characteristics to minimize vibration noise of the vehicle from high frequency micro vibration transmitted to the vehicle body during operation of the engine. And the contrary requirements of high stiffness and high damping force to control the engine vibration by suppressing the engine shank in the low frequency large displacement vibration, and on the contrary, to exhibit low damping force. Could not be satisfied.

통상적으로, 차량의 전방 및 후방에는 전후 방향의 충격으로부터 차량 및 승객을 보호하기 위하여 프런트 범퍼 및 리어 범퍼로 구성된 범퍼 어셈블리를 장착한다. Typically, the front and rear of the vehicle is equipped with a bumper assembly consisting of a front bumper and a rear bumper to protect the vehicle and the passenger from the impact in the front and rear directions.

상기 범퍼 어셈블리는 합성 수지재로 이루어져 범퍼 어셈블리의 커버 역할을 하는 범퍼 패시아(Bumper Fascia)와, 범퍼 어셈블리의 충격 흡수 능력을 배가시키 기 위한 범퍼 압소버(Bumper Absorber)와, 범퍼 어셈블리의 골격을 이루는 범퍼 백 빔(Bumper Back Beam) 및 범퍼 어셈블리를 차체에 고정시키기 위한 패시아 브라켓(Fascia Bracket) 등으로 구성되는데, 상기 범퍼 어셈블리를 구성하고 있는 각 구성 요소 상호간의 결합 및 차체에의 결합은 다수개의 체결 볼트와 클립들을 이용하여 이루어진다. The bumper assembly is made of a synthetic resin material, the bumper fascia (Bumper Fascia), which serves as a cover of the bumper assembly, a bumper absorber for doubling the shock absorbing capacity of the bumper assembly, and the skeleton of the bumper assembly It consists of a bumper back beam and a fascia bracket for fixing the bumper assembly to the vehicle body, and the coupling between the components of the bumper assembly and the vehicle body are numerous. Two fastening bolts and clips.

도 1a는 종래의 실시예에 따른 좌우 대칭되는 범퍼 백 빔 중 우측만을 나타낸 정면도이고, 도 1b는 도 1a의 a-a` 부분을 나타낸 단면도로서, 도 1a 및 도 1b에 도시된 바와 같이 종래의 실시예에 따른 차량의 범퍼 백 빔(1)은, 골격을 이루는 메인 프레임(2)과, 상기 메인 프레임(2)의 상측단에서 메인 프레임의 길이 방향에 걸쳐 수직으로 연장 형성하며 다수개의 빔홀(3a)을 구비한 연결 프레임(3)과, 상기 연결 프레임(2b)의 상측단에 연결되는 플랜지(4)로 구성된다. FIG. 1A is a front view illustrating only the right side of a symmetrically bumper back beam according to a conventional embodiment, and FIG. 1B is a cross-sectional view illustrating aa ′ of FIG. 1A, and as shown in FIGS. 1A and 1B. The bumper back beam 1 of the vehicle has a main frame 2 that forms a frame, and extends vertically over the longitudinal direction of the main frame at an upper end of the main frame 2 and includes a plurality of beam holes 3a. And a flange 4 connected to the upper end of the connection frame 2b.

차량의 엔진에서 발생되는 많은 진동중 특히 엔진의 아이들 동작시에 발생되는 진동은 엔진 마운트에 의해 모두 흡수할 수 없었다. 이러한 진동을 흡수하기 위하여 별도의 진동 흡수 구조를 설치하게 되면 차체 중량의 증가와 조립 공정이 증가되는 문제가 있었다. Many of the vibrations generated in the engine of the vehicle, in particular during the idle operation of the engine, could not all be absorbed by the engine mount. If a separate vibration absorbing structure is installed to absorb such vibrations, there is a problem that an increase in the vehicle body weight and an assembly process are increased.

본 발명은 이와 같은 종래의 제반 문제점을 해결하기 위한 것으로서, 차량 범퍼의 백빔을 이용하여 차량 엔진의 아이들 동작시 발생되는 진동을 흡수할 수 있도록 하는 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조를 제공하는 것을 목적으로 한다. The present invention is to solve such a conventional problem, to provide an engine vibration absorbing structure using the back beam of the vehicle bumper to absorb the vibration generated during the idle operation of the vehicle engine using the back beam of the vehicle bumper For the purpose of

도 2는 본 발명에 의한 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조의 일실시예의 구성을 나타내는 평면도이고, 도 3은 본 발명에 의한 차량 범퍼의 백빔을 이용한 엔진 진동 흡수 구조의 일실시예의 구성을 나타내는 단면도로서, 차량의 전방 범퍼의 백빔에 있어서, 전방 범퍼의 백빔(1) 중앙에 설치되는 웨이트(10)로 구성되어 있음을 도시하고 있다. 2 is a plan view showing the configuration of an embodiment of the engine vibration absorbing structure using the back beam of the vehicle bumper according to the present invention, Figure 3 is a configuration of an embodiment of the engine vibration absorbing structure using the back beam of the vehicle bumper according to the present invention As sectional drawing shown, it shows that the back beam of the front bumper of a vehicle is comprised from the weight 10 provided in the center of the back beam 1 of a front bumper.

상기 웨이트(10)는 백빔(1)의 하부에 설치되거나 백빔의 전방에 설치되는 것이 바람직하다. The weight 10 is preferably installed below the back beam 1 or in front of the back beam.

상기와 같이 구성된 본 발명의 실시예를 설명하면 다음과 같다.Referring to the embodiment of the present invention configured as described above are as follows.

차량의 엔진이 아이들(idle) 상태로 동작하는 경우 엔진에서 발생되는 진동이 차량 실내의 운전자에게 전달되는 것을 방지하기 위하여 본 발명을 사용하도록 한다. When the engine of the vehicle operates in an idle state, the present invention is used to prevent the vibration generated from the engine from being transmitted to the driver of the vehicle interior.

차량의 전방 범퍼에 설치되는 백빔(1)의 전방 중앙에는 웨이트(10)를 설치하도록 한다. 도 2와 도 3에 도시되어 있는 바와 같이 웨이트(10)는 백빔(1)의 중앙에 설치되되 백빔(1)의 하부에 설치되도록 한다. The weight 10 is installed at the front center of the back beam 1 installed in the front bumper of the vehicle. As shown in FIG. 2 and FIG. 3, the weight 10 is installed at the center of the back beam 1, but is installed below the back beam 1.

웨이트(10)의 설치에 의해 외부의 진동이 전방 범퍼의 백빔(1)에 전달되는 경우 웨이트(10)에 의해 진동이 흡수된다. 즉, 도 4와 도 5는 본 발명의 사용시 발생되는 소음과 진동의 감소치를 나타내는 그래프로서, 도면에서 실선(A)은 종래의 기술을 사용했을 경우의 수치이고, 점선(B)은 본 발명을 사용했을 경우의 수치를 나타낸다. When the external vibration is transmitted to the back beam 1 of the front bumper by the installation of the weight 10, the vibration is absorbed by the weight 10. 4 and 5 are graphs showing reductions in noise and vibration generated when the present invention is used, in which, the solid line A is a numerical value using the conventional technique, and the dotted line B is the present invention. The numerical value when used is shown.

이상에서는 본 발명을 특정의 바람직한 실시예에 대하여 도시하고 설명하였으나, 본 발명은 이러한 실시예에 한정되지 않으며, 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 특허청구범위에서 청구하는 본 발명의 기술적 사상을 벗어나지 않는 범위내에서 실시할 수 있는 다양한 형태의 실시예들을 모두 포함한다.While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to these embodiments, and has been claimed by those of ordinary skill in the art to which the invention pertains. It includes all the various forms of embodiments that can be carried out without departing from the spirit.

상기와 같은 본 발명은, 차량 전방 범퍼의 백빔에 웨이트를 추가로 설치하여 차량 엔진의 아이들 동작시 발생되는 진동을 감소시키는 효과가 있다.The present invention as described above, has the effect of reducing the vibration generated during the idle operation of the vehicle engine by additionally installing the weight on the back beam of the vehicle front bumper.

Claims (2)

차량의 전방 범퍼의 백빔에 있어서, 차량의 아이들(idle)시 발생되는 진동을 저감시킬 수 있도록 전방 범퍼의 백빔(1) 중앙부에 일체로 결합하여 설치되는, 일정한 중량을 갖는 웨이트(10)로 구성되는 것을 특징으로 하는 엔진 진동 흡수 구조.In the back beam of the front bumper of the vehicle, it is composed of a weight 10 having a constant weight, which is integrally installed in a central portion of the back beam 1 of the front bumper so as to reduce vibration generated when the vehicle is idle. Engine vibration absorbing structure, characterized in that. 제 1 항에 있어서, 상기 웨이트(10)는 백빔(1)의 하부에 일체로 결합하여 설치되는 것을 특징으로 하는 엔진 진동 흡수 구조.The engine vibration absorbing structure according to claim 1, wherein the weight (10) is integrally coupled to the lower part of the back beam (1).
KR1020050110150A 2005-11-17 2005-11-17 An engine vibration absorbing apparatus KR100805473B1 (en)

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