KR20120032770A - Structure of transmission mount - Google Patents

Structure of transmission mount Download PDF

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KR20120032770A
KR20120032770A KR1020100094282A KR20100094282A KR20120032770A KR 20120032770 A KR20120032770 A KR 20120032770A KR 1020100094282 A KR1020100094282 A KR 1020100094282A KR 20100094282 A KR20100094282 A KR 20100094282A KR 20120032770 A KR20120032770 A KR 20120032770A
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South Korea
Prior art keywords
bushing
housing
transmission
bush
coupled
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KR1020100094282A
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Korean (ko)
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KR101551953B1 (en
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이봉호
김도현
유은석
이병혁
정지훈
장경진
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현대자동차주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12Arrangement of engine supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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 using elastic means
    • F16F15/08Suppression 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 using elastic means with rubber springs ; with springs made of rubber and metal

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

Abstract

PURPOSE: A structure of a transmission mount is provided to prevent interference on vibration isolation of a second bush since a gap is formed between a first bush and a core bolt, and the first bush and the core bolt are contacted during steering. CONSTITUTION: A structure of a transmission mount comprises a housing(30) a first bush, a second bush(20), and a core bolt(40). The housing comprises a lower housing(10b) fixed to a vehicle body and an upper housing(10a) coupled with the upper part of the lower housing. The first bush is coupled with the upper housing, and an upper hole(31) is formed on the lower surface thereof. The second bush is combined with the lower housing, and a lower hole(21) is formed on the upper surface thereof. Both sides of the core bolt are coupled with the upper hole and the lower hole. The core bolt is installed between the first bush and the second bush. One side of the housing is opened, and a transmission bracket(1) is placed between the first bush and the second bush.

Description

트랜스미션마운트의 구조{Structure of transmission mount}Structure of transmission mount

본 발명의 트랜스미션마운트(T/M Mount)의 구조에 관한 것으로 더 상세하게는 NVH(Noise, Vibration, Harshness) 저감 및 핸들링 성능을 향상시키도록 동특성 및 횡강성을 최적화함으로서 엔진과 트랜스미션으로 이뤄진 파워트레인(P/T: Powertrain)의 거동제어 및 진동 절연 성능을 향상시킨 트랜스미션마운트의 구조에 관한 것이다.
The transmission mount (T / M Mount) structure of the present invention in more detail, the power train made of the engine and the transmission by optimizing the dynamic characteristics and lateral stiffness to reduce the noise, vibration, harshness (NVH) and improve the handling performance It is related with the structure of the transmission mount which improved the behavior control and vibration isolation performance of (P / T: Powertrain).

승용차량들은 프레임바디를 대신하여 중량이 가볍고 생산성이 뛰어난 모노코크바디가 주로 사용된다. 모노코크바디는 별도의 프레임이 삭제된 구조로서 차체에 엔진을 포함한 파워트레인이 직접 장착된다. 따라서, 상기 모노코크바디는 차체 자체가 프레임 기능을 하여 서스펜션 및 섀시 부품들이 각각 장착되나, (엔진과 트랜스미션이 결합되어 구성된) 파워트레인의 진동이 직접적으로 차체에 전달되는 것을 방지하며 차량 충돌시 충격을 분산하기 위하여 차량의 하부에 서브프레임(subframe) 및 마운팅부재들이 장착된다.Passenger cars use monocoque bodies that are light in weight and highly productive instead of frame bodies. The monocoque body is a structure in which a separate frame is removed, and a power train including an engine is directly mounted on the body. Therefore, the monocoque body is a frame function of the vehicle itself, and the suspension and chassis components are mounted, respectively, but the vibration of the power train (combined by the engine and the transmission) is prevented from being transmitted directly to the vehicle body, and the impact in the event of a vehicle collision is prevented. Subframes and mounting members are mounted at the bottom of the vehicle for dispersal.

도 1a 에 도시된 바와 같이, 상기 서브프레임은 서스팬션 스트럿(strut) 및 너클 등과 같은 조향장치 및 현가장치 등이 연결될 수 있도록 차체 하부에 장착된다. As shown in FIG. 1A, the subframe is mounted under the vehicle body so that steering devices such as suspension struts and knuckles and suspension devices can be connected.

그리고, 상기 마운팅부재들은 엔진마운트와 트랜스미션마운트 및 롤로드로 구성된다.The mounting members are composed of an engine mount, a transmission mount, and a roll rod.

한편, 서브프레임이 장착된 차량은 일반적으로 3 곳(3점식 마운트 방식) 또는 4 곳(4점식 마운트 방식)에서 마운팅부재들에 의해 지지된다. On the other hand, a vehicle equipped with a subframe is generally supported by mounting members at three places (three point mount method) or four places (four point mount method).

도 1b 에 도시된 바와 같이, 파워트레인의 하측은 "I" 자 형상으로 제작되는 (4 점식일 때는 "#" 형상으로 제작되는) 서브프레임에 롤로드에 의해 연결되고, 상측은 엔진브라켓 및 트랜스미션브라켓이 엔진마운트와 트랜스미션마운트에 각각 결합되어 차체에 장착된다. 상기 엔진마운트와 트랜스미션마운트는 엔진룸을 형성하는 양측 사이드멤버에 각각 고정된다.
As shown in FIG. 1B, the lower side of the powertrain is connected by a roll rod to a subframe made of "I" shape (made of "#" in the case of 4-point), and the upper side of the powertrain is engine bracket and transmission. The brackets are fitted to the bodywork, respectively, to the engine mount and the transmission mount. The engine mount and the transmission mount are respectively fixed to both side members forming the engine room.

이와 같은 3점 마운트 방식에서 트랜스미션마운트는 (도 1a 에 도시된 바와 같이) 합성고무 재질의 부시를 사용하여 진동을 절연시킨다. 그런데, 상기 부시의 진동 절연량을 높이기 위해서는 일반적으로 고무의 동특성을 낮춰야 한다. In this three point mount method, the transmission mount uses a bush of synthetic rubber (as shown in FIG. 1A) to insulate the vibration. However, in order to increase the vibration insulation amount of the bush, it is generally necessary to lower the dynamic characteristics of the rubber.

하지만, 고무의 동특성을 낮출수록 절연 기능은 향상되는 반면, 차량의 핸들링 시 파워트레인에 작용하는 관성력을 충분히 제어하지 못하므로 좌우로 큰 거동을 유발시킨다. However, the lower the dynamic properties of the rubber, the higher the insulation function, while the inertial force acting on the powertrain during handling of the vehicle does not sufficiently control, causing large behavior from side to side.

한편, 4점 마운트 방식에서는 롤로드가 추가되어 상기와 같은 문제점이 해결될 수 있다. 그러나, 3점 마운트 시스템에서는 진동 감쇄와 핸들링 성능을 고려한 후 각각을 어느 정도 희생시킨 타협점에서 부시 고무의 동특성을 결정해야 하는 문제점이 있었다. On the other hand, in the four-point mount method, the roll rod is added to solve the above problems. However, in the three-point mount system, after considering the vibration damping and handling performance, there was a problem in that the dynamic properties of the bush rubber had to be determined at the compromise point which sacrificed some of each.

더 상세하게는, 도 1a 에 도시된 종래의 트랜스미션마운트는 횡강성 방향으로 튜닝 인자가 부족하였다. 전후 강성 및 상하 강성은 결합 각도(angle)를 조절하여 튜닝이 이뤄졌으나 횡강성은 고무의 경도에 종속적으로 결정되었다. 따라서, 횡강성 증대를 위해 고무 강성을 증대시키면, 상하 강성도 증가하여 진동 절연 성능이 떨어지는 문제가 있었다.More specifically, the conventional transmission mount shown in FIG. 1A lacks a tuning factor in the transverse stiffness direction. The front and rear stiffness and the up and down stiffness were tuned by adjusting the coupling angle, but the lateral stiffness was determined depending on the hardness of the rubber. Therefore, when rubber stiffness is increased to increase lateral stiffness, there is a problem in that the up and down stiffness also increases and vibration isolation performance is lowered.

그러므로, 3점 마운트 방식에 사용되는 트랜스미션마운트에 있어 진동 감쇄 효과가 뛰어나고 핸들링 시 파워트레인의 거동을 더 효율적으로 지지해 줄 수 있는 트랜스미션마운트의 개발이 요구되어 왔다.Therefore, there has been a demand for the development of a transmission mount that has excellent vibration damping effect in the transmission mount used in the three-point mount method and can more efficiently support the behavior of the power train during handling.

본 발명은 상기와 같은 개발 요구에 따라, 동특성 및 횡강성을 최적화함으로서 엔진과 트랜스미션으로 이뤄진 파워트레인의 거동제어 및 진동 절연 성능을 향상시킨 트랜스미션마운트 구조를 제공하는 것에 주목적이 있다.
The present invention is to provide a transmission mount structure that improves the behavior control and vibration isolation performance of the power train consisting of the engine and the transmission by optimizing the dynamic characteristics and the lateral stiffness according to the development requirements as described above.

상기와 같은 목적을 달성하기 위한 본 발명은, 트랜스미션브라켓과 결합되어 차체에 장착되는 트랜스미션마운트 구조에 있어서, 차체에 고정되는 하측하우징 및 상기 하측하우징의 상측에 결합되는 상측하우징으로 구성된 하우징;과 상기 상측하우징에 결합되며 하면에 상측홀이 형성된 제1부시;와 상기 하측하우징에 결합되며 상면에 하측홀이 형성된 제2부시; 및 양측이 상기 상측홀과 하측홀에 각각 결합되어 제1부시와 제2부시 사이에 장착되는 코어볼트;를 포함하여 구성되고, 상기 하우징의 일측은 개구되어 트랜스미션브라켓이 제1부시와 제2부시 사이에 배치되되, 상기 트랜스미션브라켓의 끝단에는 상하로 관통된 결합홀이 형성되고, 상기 결합홀에 코어볼트가 끼워지는 것을 특징으로 한다.The present invention for achieving the above object, in the transmission mount structure is coupled to the transmission bracket mounted on the vehicle body, the housing consisting of a lower housing fixed to the vehicle body and the upper housing coupled to the upper side of the lower housing; and the A first bushing coupled to the upper housing and having an upper hole formed on a lower surface thereof, and a second bushing coupled to the lower housing and having a lower hole formed on an upper surface thereof; And core bolts having both sides coupled to the upper and lower holes, respectively, and mounted between the first bushing and the second bushing, wherein one side of the housing is opened so that the transmission bracket is open to the first bushing and the second bushing. Is disposed between, the end of the transmission bracket is formed through the coupling hole penetrated up and down, characterized in that the core bolt is fitted to the coupling hole.

그리고, 상기 코어볼트에는 나사산이 형성되고 상기 나사산에는 너트가 결합되되, 상기 너트는 트랜스미션브라켓 위로 배치되며 상측홀에 내부에 위치하도록 구성된다. A thread is formed in the core bolt, and a nut is coupled to the thread, and the nut is disposed on the transmission bracket and positioned inside the upper hole.

상기 상측홀의 내경은 코어볼트 및 너트와 간극(間隙)이 발생하는 크기로 형성된다. 그리고, 상기 제1부시는 제2부시 보다 경도(hardness)가 큰 재질인 것이 바람직하다. The inner diameter of the upper hole is formed to a size that a gap (間隙) with the core bolt and nut. The first bushing is preferably made of a material having a greater hardness than the second bushing.

아울러, 상기 하측하우징과 상측하우징 각각은, "ㄷ" 자로 절곡된 판(plate) 형상으로 일측이 타측 보다 길이가 더 길게 형성되며 트랜스미션브라켓을 사이에 두고 상하로 마주하도록 배치되되, 끝단에는 프랜지가 각각 절곡형성되어 볼트 체결된다.
In addition, each of the lower housing and the upper housing is formed in a plate shape bent by the letter "c" longer than the other side is formed longer and disposed so as to face up and down with the transmission bracket between, but the flange at the end Each is bent and bolted.

상기와 같은 구성의 본 발명은, 상하 강성은 낮추면서 횡강성을 증대시키는 구조로서 진동 절연 성능은 향상되되, 주행 중 핸들링시의 파워트래인 거동을 더 효율적으로 제어하는 효과가 있다.The present invention having the above-described configuration, while increasing the lateral rigidity while lowering the vertical rigidity, the vibration insulation performance is improved, there is an effect of more effectively controlling the powertrain behavior during handling while driving.

본 발명은 두 개의 부시로 구성되어, 하측의 낮은 경도를 갖는 제2부시는 요구되는 진동 절연률을 제공하며, 상측의 높은 경도를 갖는 제1부시는 횡강성을 증대시킨다.The present invention consists of two bushes, the second bushing having the lower hardness at the lower side providing the required vibration insulation rate, and the first bushing having the high hardness at the upper side increasing the lateral stiffness.

아울러, 제1부시와 코어볼트 사이에는 간극이 형성되어 핸들링 시에만 접촉하도록 구성되므로, 제1부시가 제2부시의 진동 절연에 간섭을 발생시키지 않도록 하는 효과가 있다.
In addition, since a gap is formed between the first bushing and the core bolt and is configured to contact only when handling, there is an effect that the first bushing does not cause interference in vibration isolation of the second bushing.

도 1a 는 종래의 트랜스미션마운트의 사시도 및 상기 트랜스미션마운트가 차량에 장착된 모습을 도시한 평면도,
도 1b 는 파워트레인이 차체에 장착될 때, 엔진마운트 및 트랜스미션마운트가 배치되는 모습을 도시한 개략도,
도 2 는 본 발명의 바람직한 실시예에 따른 트랜스미션마운트의 분해사시도,
도 3a 와 도 3b 는 차량의 회전시 본 발명의 트랜스미션마운트 내부의 거동 상태를 도시한 단면도,
도 4 는 종래의 트랜스미션마운트가 적용됐을 때와 본 발명의 트랜스미션마운트가 적용됐을 때 파워트래인의 거동이 감소된 모습을 비교 도시한 평면도.
1A is a plan view showing a perspective view of a conventional transmission mount and a state in which the transmission mount is mounted on a vehicle;
FIG. 1B is a schematic diagram showing how the engine mount and the transmission mount are disposed when the power train is mounted to the vehicle body; FIG.
2 is an exploded perspective view of a transmission mount according to a preferred embodiment of the present invention;
3a and 3b is a cross-sectional view showing the behavior of the interior of the transmission mount of the present invention when the vehicle rotates,
Figure 4 is a plan view comparing the behavior of the powertrain is reduced when the conventional transmission mount is applied and when the transmission mount of the present invention is applied.

이하, 도면을 참조하여 본 발명의 바람직한 실시예를 더욱 상세히 설명한다.Hereinafter, with reference to the drawings will be described a preferred embodiment of the present invention in more detail.

도 2 를 참조하면, 본 발명의 트랜스미션마운트는 트랜스미션에서 돌출된 트랜스미션브라켓(1)을 지지하되, 상기 트랜스미션브라켓(1)은 지면과 평행하게 배치되는 판(plate) 형상으로서 끝단에는 결합홀(2)이 형성된다.Referring to Figure 2, the transmission mount of the present invention supports the transmission bracket (1) protruding from the transmission, the transmission bracket (1) is formed in a plate (parallel) parallel to the ground as a coupling hole (2) ) Is formed.

그리고, 상기 트랜스미션마운트는 상기 트랜스미션브라켓(1)을 상하로 배치되어 결합하도록 구성된다. 하우징은, 차체에 고정되며 트랜스미션브라켓(1) 아래에 배치되는 하측하우징(10b)과 상기 하측하우징(10b)에 결합되어 트랜스미션브라켓(1) 상측에 배치되는 상측하우징(10a)으로 구성된다.In addition, the transmission mount is configured to combine the transmission bracket (1) arranged up and down. The housing is composed of a lower housing 10b fixed to the vehicle body and disposed below the transmission bracket 1 and an upper housing 10a coupled to the lower housing 10b and disposed above the transmission bracket 1.

상기 하측하우징(10b)과 상측하우징(10a) 각각은, "ㄷ" 자로 절곡된 판 형상으로 일측이 타측 보다 길이가 더 길게 형성된다. 그리고, 트랜스미션브라켓(1)을 사이에 두고 상하로 마주하도록 배치되되, 더 길게 형성된 측의 끝단에는 프랜지(11a, 11b)가 각각 절곡형성된다. 두 플랜지들(11a, 11b)은 밀착한 상태에서 볼트(12), 너트(13)가 체결되어 고정된다. Each of the lower housing 10b and the upper housing 10a has a plate shape bent in a “c” shape and has one side longer than the other side. And, disposed so as to face up and down with the transmission bracket (1) therebetween, the flanges (11a, 11b) are bent at the end of the longer formed side, respectively. The two flanges 11a and 11b are fixed by being fastened to the bolt 12 and the nut 13 in close contact.

따라서, 상측하우징(10a)과 하측하우징(10b)이 결합됐을 때, 더 짧게 형성된 측은 트랜스미션브라켓(1)이 안쪽으로 진입될 수 있도록 개구된 형태가 이뤄진다.Therefore, when the upper housing 10a and the lower housing 10b are combined, the shorter side is formed so that the transmission bracket 1 can be opened inward.

한편, 상기 상측하우징(10a)에는 제1부시(30)가 장착되고, 하측하우징(10b)에는 제2부시(20)가 장착된다. 상기 제1부시(30)와 제2부시(20)는 탄성재질이되, 제1부시(30)의 재질이 제2부시(20)의 재질보다 더 큰 강성을 갖도록 제조된다. Meanwhile, the first bushing 30 is mounted to the upper housing 10a, and the second bushing 20 is mounted to the lower housing 10b. The first bushing 30 and the second bushing 20 are made of an elastic material, and the material of the first bushing 30 is made to have a greater rigidity than the material of the second bushing 20.

그리고, 제1부시(30)와 제2부시(20)에는 트랜스미션브라켓(1)의 결합홀(2)에 끼워지는 코어볼트(40)의 양측 끝단이 끼워질 수 있도록 상측홀(31)과 하측홀(21)이 각각 형성된다.In addition, the upper hole 31 and the lower side of the first bushing 30 and the second bushing 20 may be fitted to both ends of the core bolt 40 fitted into the coupling hole 2 of the transmission bracket 1. Holes 21 are formed respectively.

상기 코어볼트(40)는 원통형 봉(棒) 형상이되, 너트(41)가 결합되어 트랜스미션브라켓(1)에 거치될 수 있도록 중단에는 나사산이 형성된다.The core bolt 40 is a cylindrical rod (棒) shape, a screw thread is formed in the middle so that the nut 41 is coupled to be mounted on the transmission bracket (1).

아울러, 상기 코어볼트(40)의 하단은 하측홈(21)에 간극(間隙) 없이 밀착되어 끼워지되, 상측홈(31)과는 밀착되지 않고 간극을 두고 끼워진다. In addition, the lower end of the core bolt 40 is fitted close to the lower groove 21 without a gap (間隙), it is fitted with a gap without being in close contact with the upper groove 31.

이와 같이 구성된 트랜스미션마운트 구조에서, 차량이 직진하도록 조향(操向)될 때에는 트랜스미션브라켓(1)이 결합된 코어볼트(40)가 제1부시(30)에 영향을 받지 않고 제2부시(20)에만 밀착되어 있으므로 더 효율적으로 진동을 감쇄시킨다.In the transmission mount structure configured as described above, when the vehicle is steered to go straight, the core bolt 40 to which the transmission bracket 1 is coupled is not affected by the first bushing 30 and the second bushing 20 is not affected. Because it is in close contact with, it reduces vibration more efficiently.

그러나, 도 3a 및 도 3b 에 도시된 바와 같이, 차량의 회전에 따른 파워트래인의 좌측 또는 우측 거동이 발생하면, 코어볼트(40)는 제1부시(30)와 밀착되며 파워트래인의 거동을 제어한다. However, as shown in FIGS. 3A and 3B, when left or right movement of the power train according to the rotation of the vehicle occurs, the core bolt 40 is in close contact with the first bushing 30 and the behavior of the power train. To control.

따라서, 도 4 에 도시된 바와 같이, 가령 차량이 우회전을 하는 경우, 종래에는 진동 절연을 감안하여 강성이 낮은 재질의 부시가 적용되어 파워트래인의 원심력을 충분히 지지하지 못하였으나, 본 발명의 트랜스미션마운트 구조에서는 더 큰 강성을 갖는 제1부시(30)가 파워트레인을 지지하므로 거동을 더 효율적으로 제어할 수 있는 효과가 있다.Therefore, as shown in FIG. 4, for example, when the vehicle makes a right turn, a bush of a low rigidity material is conventionally applied in consideration of vibration isolation, and thus does not sufficiently support the centrifugal force of the power train. In the mount structure, since the first bushing 30 having greater rigidity supports the power train, the behavior can be controlled more efficiently.

이상과 같이 본 명세서와 도면에 개시된 실시예들은 본 발명의 이해를 돕기 위해 특정 예를 제시한 것에 지나지 않으며, 본 발명의 범위를 제한하고자 하는 것은 아니다. 여기에 개시된 실시예들 이외에도 본 발명의 기술적 사상에 바탕을 둔 다른 변형예들이 실시 가능하다는 것은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 자명한 것이다.
As described above, the embodiments disclosed in the specification and the drawings are only presented as specific examples to aid the understanding of the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

10a : 상측하우징
10b : 하측하우징
20 : 제2부시
30 : 제1부시
40 : 코어볼트
10a: upper housing
10b: Lower housing
20: second bush
30: first bush
40: Core Bolt

Claims (5)

트랜스미션브라켓과 결합되어 차체에 장착되는 트랜스미션마운트의 구조에 있어서,
차체에 고정되는 하측하우징 및 상기 하측하우징의 상측에 결합되는 상측하우징으로 구성된 하우징;과
상기 상측하우징에 결합되며 하면에 상측홀이 형성된 제1부시;와
상기 하측하우징에 결합되며 상면에 하측홀이 형성된 제2부시; 및
양측이 상기 상측홀과 하측홀에 각각 결합되어 제1부시와 제2부시 사이에 장착되는 코어볼트;를 포함하여 구성되고,
상기 하우징의 일측은 개구되어 트랜스미션브라켓이 제1부시와 제2부시 사이에 배치되되, 상기 트랜스미션브라켓의 끝단에는 상하로 관통된 결합홀이 형성되고, 상기 결합홀에 코어볼트가 끼워지는 것을 특징으로 하는 트랜스미션마운트의 구조.
In the structure of the transmission mount is coupled to the transmission bracket and mounted on the vehicle body,
A housing consisting of a lower housing fixed to a vehicle body and an upper housing coupled to an upper side of the lower housing; and
A first bushing coupled to the upper housing and having an upper hole formed on a lower surface thereof; and
A second bushing coupled to the lower housing and having a lower hole formed on an upper surface thereof; And
It is configured to include; both sides are coupled to the upper and lower holes, respectively, the core bolt mounted between the first bushing and the second bushing,
One side of the housing is opened so that the transmission bracket is disposed between the first bushing and the second bushing, and a coupling hole penetrated up and down is formed at the end of the transmission bracket, and the core bolt is fitted into the coupling hole. The structure of the transmission mount.
제 1 항에 있어서, 상기 코어볼트에는 나사산이 형성되고 상기 나사산에는 너트가 결합되되, 상기 너트는 트랜스미션브라켓 위로 배치되며 상측홀에 내부에 위치하도록 구성된 것을 특징으로 하는 트랜스미션마운트의 구조.
The structure of claim 1, wherein a thread is formed in the core bolt and a nut is coupled to the thread, and the nut is disposed above the transmission bracket and positioned inside the upper hole.
제 2 항에 있어서, 상기 상측홀의 내경은 코어볼트 및 너트와 간극(間隙)이 발생하는 크기로 형성된 것을 특징으로 하는 트랜스미션마운트의 구조.
The structure of a transmission mount according to claim 2, wherein an inner diameter of the upper hole is formed to have a size in which a gap occurs between the core bolt and the nut.
제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 제1부시는 제2부시 보다 경도(hardness)가 큰 재질인 것을 특징으로 하는 트랜스미션마운트의 구조.
The structure of any one of claims 1 to 3, wherein the first bushing is made of a material having a greater hardness than the second bushing.
제 4 항에 있어서, 상기 하측하우징과 상측하우징 각각은, "ㄷ" 자로 절곡된 판(plate) 형상으로 일측이 타측 보다 길이가 더 길게 형성되며 트랜스미션브라켓을 사이에 두고 상하로 마주하도록 배치되되, 끝단에는 프랜지가 각각 절곡형성되어 볼트 체결된 것을 특징으로 하는 트랜스미션마운트의 구조.
According to claim 4, wherein the lower housing and the upper housing, each of which is formed in a plate shape bent in the letter "c" longer than the other side is arranged to face up and down with the transmission bracket between, The end of the transmission mount structure, characterized in that the flange is bent to form a bolt respectively.
KR1020100094282A 2010-09-29 2010-09-29 Structure of transmission mount KR101551953B1 (en)

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JP4028659B2 (en) 1999-04-19 2007-12-26 日立建機株式会社 Anti-vibration rubber mounting structure
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