KR100255611B1 - Hydraulic engine mounting system with enhancing decreasing - Google Patents

Hydraulic engine mounting system with enhancing decreasing Download PDF

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Publication number
KR100255611B1
KR100255611B1 KR1019970073221A KR19970073221A KR100255611B1 KR 100255611 B1 KR100255611 B1 KR 100255611B1 KR 1019970073221 A KR1019970073221 A KR 1019970073221A KR 19970073221 A KR19970073221 A KR 19970073221A KR 100255611 B1 KR100255611 B1 KR 100255611B1
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South Korea
Prior art keywords
liquid
orifice
supporter
support
chamber
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KR1019970073221A
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Korean (ko)
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KR19990053569A (en
Inventor
이효상
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정몽규
현대자동차주식회사
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Priority to KR1019970073221A priority Critical patent/KR100255611B1/en
Publication of KR19990053569A publication Critical patent/KR19990053569A/en
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    • 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units 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
    • F16F13/06—Units 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
    • F16F13/08—Units 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
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • F16F13/1445—Units of the bushing type, i.e. loaded predominantly radially characterised by method of assembly, production or treatment
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1208—Resilient supports
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/3842—Method of assembly, production or treatment; Mounting thereof
    • 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units 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
    • F16F13/06—Units 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
    • F16F13/08—Units 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
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • F16F13/1409—Units of the bushing type, i.e. loaded predominantly radially characterised by buffering features or stoppers
    • 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units 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
    • F16F13/06—Units 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
    • F16F13/08—Units 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
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • F16F13/1463—Units of the bushing type, i.e. loaded predominantly radially characterised by features of passages between working chambers

Abstract

PURPOSE: A fluid filled type mounting device is provided to attenuate vehicle vibration by stopping fluid movement with an orifice supporter in case of applying large amplitude to the orifice supporter. CONSTITUTION: A fluid filled type mounting device consists of an elastic body(45) supporting an orifice supporter(50) with a fluid passage(36) to move fluid from a main fluid chamber(75) and a secondary fluid chamber(25); an outer supporter(40) supporting the elastic body; an upper stopper(60) limiting the upward movement of the orifice supporter while hung on the upper sill of the outer supporter and protruded into the main fluid chamber; and a lower stopper(35) limiting the downward movement of the orifice supporter with a moving space(37) while hung on the lower sill of the outer supporter and protruded into the secondary fluid chamber. When transmitted to a main rubber body(80), vibration moves fluid from the main fluid chamber to a diaphragm(30) through first and second entrances(54) of the orifice supporter for being absorbed.

Description

감쇠력을 향상시킨 액체봉입형 마운팅장치Liquid-sealed mounting device with improved damping force

본 발명은 액체봉입형 마운팅장치에 관한 것으로서, 특히, 오리피스지지체의 외측부분에 액체이동로를 갖는 탄성체를 일정한 간격을 설치하고, 이 탄성체를 외측지지체로 지지한 후에 큰 진폭이 오리피스지지체에 가해지는 경우 오리피스지지체가 액체의 이동을 차단하므로 충격에 대한 감쇠력을 발휘하여 차량의 진동을 효율적으로 저감하도록 하는 감쇠력을 향상시킨 액체봉입형 마운팅장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid encapsulated mounting apparatus. In particular, an elastic body having a liquid path is provided at an outer portion of an orifice support, and a large amplitude is applied to the orifice support after supporting the elastic body with an outer support. In this case, the orifice support blocks the movement of the liquid, and thus provides a damping force against the impact, and relates to a liquid-encapsulated mounting apparatus having improved damping force to efficiently reduce the vibration of the vehicle.

일반적으로, 엔진은 운전중에 피스톤과 커넥팅로드의 상,하운동이나 크랭크축에 가하여지는 회전력의 변화에 의하여 좌,우방향 및 상,하방향의 진동이 발생하게 된다. 이러한 진동이 섀시나 바디를 통하여 차실내에 탑승한 탑승자에게 전달되는 것을 차단하기 위하여 엔진의 저면부분을 지지하는 액체가 봉입되어 충격을 흡수하는 액체봉입형 마운팅장치를 사용하게 된다.In general, the engine generates vibrations in the left, right, and up and down directions due to a change in the rotational force applied to the up and down movements of the piston and the connecting rod or the crankshaft during operation. In order to prevent the vibration from being transmitted to the occupant in the cabin through the chassis or the body, the liquid supporting the bottom portion of the engine is sealed to use a liquid-filled mounting device that absorbs shock.

도 1은 종래에 통상적으로 사용하는 액체봉입형 마운팅장치를 개략적으로 보인 도면으로서, 엔진의 저면부분에 고무체(10)로 부터 상측으로 돌출된 나사(미도시)에 의하여 지지 되어지고, 고무체(10)의 저면에는 상부케이스(8)에 의하여 봉입되어 있고 완충력을 발휘하는 주액실(10)이 형성되어 있고, 주액실(9)의 저면부분에는 액체가 유입되는 제1출입구(12)와 유입된 액체가 배출되는 제2출입구(14)를 갖고, 내부에 액체가 저장되는 오리피스(7)를 구비한 오리피스지지체(6)가 설치되어 있다.1 is a view schematically showing a liquid-sealed mounting apparatus conventionally used, which is supported by a screw (not shown) protruding upward from a rubber body 10 on a bottom portion of an engine and a rubber body. The bottom surface of the (10) is formed by the upper casing (8) is formed with a liquid injection chamber 10 for exerting a buffering force, the bottom portion of the liquid injection chamber (9) and the first inlet 12 through which the liquid flows; An orifice support 6 having a second entrance 14 through which the introduced liquid is discharged and having an orifice 7 in which the liquid is stored is provided.

그리고, 상기 상부케이스(8)의 저면에는 하부케이스(1)가 결합되어 있고, 이 하부케이스(1)의 내측으로 공기실(2)이라는 공간부를 형성하면서 부액실(4)을 저면에서 지지하는 다이아프램(3)이 형성된다. 또한, 오리피스지지체(6)의 중심부분에는 오리피스지지체(6)의 동작을 보조하는 가동판(5)이 설치되어 있다.In addition, a lower case 1 is coupled to the bottom of the upper case 8, and supports the liquid-liquid chamber 4 from the bottom while forming a space part called the air chamber 2 inside the lower case 1. The diaphragm 3 is formed. Moreover, the movable plate 5 which assists the operation of the orifice support 6 is provided in the center part of the orifice support 6.

이와 같이, 구성된 상태에서 하부케이스(1)가 차체의 적소 바닥면에 지지되고, 고무체(10)는 상부에 안치되어 나사에 의하여 결합되는 엔진의 저면부를 통하여 엔진의 하중이 고무체(10)로 전달되어지고, 이 하중이 주액실(9)의 액체를 하측으로 밀어내어 오리피스지지체(6)를 통하여 제1출입구(12)를 거쳐 오리피스(7)로 유입되고, 이 오리피스(7)에 있던 액체는 재차 제2출입구(14)를 통하여 하부에 있는 부액실(4))로 유입되면서 다이아프램(3)을 상,하로 진동시키면서 상부로부터 전달되는 충격을 완충하게 되는 것이다.In this way, the lower case 1 in the configured state is supported on the right bottom surface of the vehicle body, the rubber body 10 is placed on the upper portion of the engine load through the bottom portion of the engine coupled to the rubber body 10 This load pushes the liquid in the liquid injection chamber 9 downward, flows into the orifice 7 through the orifice support 6 through the first inlet 12, and the orifice 7 As the liquid flows back into the sub-liquid chamber 4 through the second entrance 14, the liquid vibrates the diaphragm 3 up and down to buffer the shock transmitted from the upper portion.

그리고, 엔진의 하중이 완화 되면, 다이아프램(3)에서 완충된 충격력은 부액실(4)의 액체가 오리피스(7)를 통하여 반대방향인 주액실(9)로 재 유입되면서 복귀되어진다, 이와 같은 과정을 반복하여 수행하면서 엔진의 충격을 본 마운트장치가 흡수하게 되는 것이다.Then, when the load of the engine is relaxed, the impact force buffered in the diaphragm 3 is returned while the liquid in the liquid-liquid chamber 4 flows back into the liquid-liquid chamber 9 in the opposite direction through the orifice 7. By repeating the same process, the mount device absorbs the impact of the engine.

그런데, 상기한 바와 같이, 주액실과 부액실에 봉입되어 있는 액체가 오리피스를 흐르면서 발생되는 감쇠값이 일정값이 이상이 되어야만 엔진이나 주행하는 차량에 발생하는 대진폭의 주파수가 입력되어지면 진동을 흡수할 수 있으므로 적절한 감쇠값을 획득하기에 어려움이 있을 뿐만아니라 액체봉입마운트의 동스프링상수가 일정값 이상으로 커지게 되어, 엔진의 아이들링 운전이나 차량의 정속 주행시에 전달되는 미진폭 고주파진동이 입력될 때에는 진동이나 소음의 전달률이 커져 승차감이 저하되는 문제점이 있었다.However, as described above, the damping value generated when the liquid enclosed in the injection liquid chamber and the auxiliary liquid chamber flows through the orifice should be a predetermined value or more, so that vibration is absorbed when the frequency of the large amplitude generated in the engine or the traveling vehicle is input. In addition, it is difficult to obtain an appropriate attenuation value, and the constant spring constant of the liquid-filled mount becomes larger than a certain value, so that the non-amplified high frequency vibration transmitted during idling operation of the engine or constant speed driving of the vehicle is inputted. At this time, the vibration and noise transmission rate was increased, there was a problem that the ride comfort is reduced.

본 발명은 이러한 점을 감안하여 안출한 것으로서, 마운팅장치에서 오리피스를 형성하는 오리피스지지체의 외측부분에 액체이동로를 갖는 탄성체를 일정한 간격을 설치하고, 이 탄성체를 외측지지체로 지지한 후에 큰 진폭이 오리피스지지체에 가해지는 경우 오리피스지지체가 액체의 이동을 차단하므로 충격에 대한 감쇠력을 발휘하여 차량의 진동을 효율적으로 저감하여 승차감을 향상시키도륵 하는 것이 목적이다.The present invention has been made in view of this point, and in the mounting apparatus, an elastic body having a liquid movement path is provided at an outer portion of the orifice support forming the orifice, and a large amplitude is supported after supporting the elastic body with the outer support. When the orifice support is applied to the orifice support, the orifice support blocks the movement of the liquid, so that the damping force against the impact can be exerted to efficiently reduce the vibration of the vehicle to improve the riding comfort.

도 1은 종래의 일반적인 액체봉입형 마운팅장치의 구성의 단면을 개략적으로 보인 도면.Figure 1 is a schematic cross-sectional view of the configuration of a conventional liquid-sealed mounting device of the prior art.

도 2는 본 발명에 따른 감쇠력을 향상시킨 액체봉입형 마운팅장치의 구성의 단면을 보인 도면2 is a cross-sectional view showing the configuration of the liquid-encapsulated mounting apparatus with improved damping force according to the present invention.

도 3은 도 2의 A-A선 단면을 보인 도면.3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 본 발명에 따른 액체봉입형 마운팅장치를 사용하는 경우에 종래에 비하여 감쇠력이 향상되는 상태를 보인 도면.Figure 4 is a view showing a state in which the damping force is improved compared to the prior art when using the liquid-filled mounting apparatus according to the present invention.

-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing

20 : 하부케이스 22 : 공기실20: lower case 22: air chamber

25 : 부액실 30 : 중간케이스25: side chamber 30: middle case

35 : 하부스토퍼 40 : 외측지지체35: lower stopper 40: outer support

45 : 탄성체 50 : 오리피스지지체45 elastic body 50 orifice support

60 : 상부스토퍼 70 : 상부케이스60: upper stopper 70: upper case

75 : 주액실 80 : 주고무체75: pouring room 80: high body

90 : 체결수단90: fastening means

이러한 목적은 상기 오리피스지지체의 측면에 일정한 간격으로 주액실과 부액실의 액체를 이동할 수 있는 액체이동로를 형성하도록 오리피스지지체를 지지하는 탄성체와; 상기 탄성체의 외측면에 원형으로 감싸져서 탄성체를 지지하는 외측지지체와; 상기 외측지지체의 상측 턱진부분에 걸려지고, 주액실의 내측으로 돌출되어 오리피스지지체의 상부 이동을 제한하는 상부스토퍼와; 상기 외측지지체의 하측 턱진부분에 걸려지고, 부액실의 내측으로 돌출되어 상기 액체이동로를 통한 액체가 이동하는 유동공간부를 형성하고, 오리피스지지체의 하측이동을 제한하는 하부스토퍼로 구성된 감쇠력을 향상시킨 액체봉입형마운팅장치를 제공함으로써 달성된다.The object is an elastic body for supporting the orifice support to form a liquid movement path that can move the liquid in the injection and sub-liquid chamber at regular intervals on the side of the orifice support; An outer support that is circularly wrapped on an outer surface of the elastic body to support the elastic body; An upper stopper which is hooked on the upper jaw portion of the outer support and protrudes into the liquid injection chamber to limit the upper movement of the orifice support; It is hooked on the lower jaw portion of the outer support, protrudes into the liquid chamber and forms a flow space in which the liquid moves through the liquid movement path, and improves the damping force composed of a lower stopper that restricts the lower movement of the orifice support. By providing a liquid encapsulated mounting apparatus.

이하, 첨부한 도면에 의거하여 본 발명의 구성에 대하여 상세히 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated in detail based on an accompanying drawing.

우선, 도 2 및 도 3에 도시된 바와 같이, 본 발명인 감쇠력을 향상시킨 액체봉입형마운팅장치의 구성을 살펴 보면, 주액실(75)에 저장된 액체가 오리피스지지체(50)의 제1출입구(54)를 통하여 반대측의 제2출입구(56)를 통하여 부액실(25)로 유입되어 엔진의 진동을 흡수하는 액체봉입형 마운팅장치에 있어서, 상기 오리피스지지체(50)의 외측면에 일정한 간격으로 접착되어 주액실(75)과 부액실(25) 액체를 이동할 수 있는 액체이동로(36)를 형성하면서 오리피스지지체(50)를 지지하는 탄성체(45)와; 상기 탄성체(45)의 외측면에 원형으로 감싸져서 탄성체(45)를 지지하는 외측지지체(40)와; 상기 외측지지체(40)의 상측 턱진부분에 걸려지고, 주액실(75)의 내측으로 돌출되어 오리피스지지체(50)의 상부 이동을 제한하는 상부스토퍼(60)와; 상기 외측지지체(40)의 하측 턱진부분에 걸려지고, 부액실(25)의 내측으로 돌출되어 상기 액체이동로(36)를 통한 액체가 이동하는 유동공간부(37)를 형성하고, 오리피스지지체(50)의 하측이동을 제한하는 하부스토퍼(35)로 구성된다.First, as shown in FIG. 2 and FIG. 3, when looking at the configuration of the liquid-encapsulated mounting apparatus with improved damping force of the present invention, the liquid stored in the injection liquid chamber 75 is the first entrance 54 of the orifice support 50; In the liquid encapsulated mounting device that enters the sub-liquid chamber 25 through the second entrance 56 on the opposite side and absorbs the vibration of the engine, it is adhered to the outer surface of the orifice support 50 at regular intervals. An elastic body 45 for supporting the orifice support 50 while forming a liquid movement path 36 through which the liquid injection chamber 75 and the liquid separation chamber 25 can move the liquid; An outer support (40) wrapped around the outer surface of the elastic body (45) to support the elastic body (45); An upper stopper (60) which is hooked on the upper jaw portion of the outer support (40) and protrudes inwardly of the injection chamber (75) to restrict the upper movement of the orifice support (50); It is caught by the lower jaw portion of the outer support 40, and protrudes into the liquid-liquid chamber 25 to form a flow space portion 37 for moving the liquid through the liquid movement path 36, the orifice support ( It consists of a lower stopper 35 for limiting the downward movement of 50.

그리고, 상기 탄성체(45)는 탄성강도를 높인 합성고무재를 사용하는 것이 바람직하나 필요에 탄성력을 지니지 않는 강체를 사용하여도 무방하고, 도 3에 도시된 바와 같이, 오리피스지지체(50)의 외측 네 개소에 형성하는 것이외에 탄성력과 감쇠력을 고려하여 설치되는 개소를 적절하게 조절할 수 있다.In addition, the elastic body 45 may preferably use a synthetic rubber material having high elastic strength, but a rigid body having no elastic force may be used as required, and as shown in FIG. 3, the outer side of the orifice support body 50 may be used. In addition to forming at four locations, the locations to be installed can be appropriately adjusted in consideration of elastic force and damping force.

또한, 상기 오리피스지지체(50)는 종래의 경우와 다르게 중심부분에 가동판을 삭제한 형상으로 형성시키도록 한다.In addition, the orifice support member 50 is formed to have a shape in which the movable plate is removed from the center portion unlike the conventional case.

그리고, 상기 상·하부스토퍼(60)(35)는 양자 모두 "ㄱ"자 형상으로서 외측지지체(40)의 턱진부분에 걸려짐과 동시에 외측으로 상부케이스(70)와 하부케이스(20)의 내측면에 접촉되어져 설치된다.In addition, the upper and lower stoppers 60 and 35 both have a "b" shape and are caught by the jaw portion of the outer support 40, and at the same time, the upper case 70 and the lower case 20 are located inside the upper case 70 and the lower case 20. It is installed in contact with the side.

이하, 본 발명의 작용을 개략적으로 살펴보도록 한다.Hereinafter, the operation of the present invention will be described.

먼저, 본 발명의 사용 상태를 살펴 보게 되면, 우선 자동차에 시동을 걸어서 엔진에 진동이 가하여지는 경우중에 특히, 미세한 진폭이 작용하는 경우를 설명하면, 엔진의 저면에 고정된 체결수단(90)을 통하여 주고무체(80)에 진동이 전달되어지고, 그 진동은 주액실의 액체를 하측으로 작용시켜 오리피스지지체(50)의 제1출입구(54)를 통하여 유입되어 오리피스(52)의 공간을 지나 하부에 있는 제2출입구(56)로 유입되어서 다이아프램(30)에서 진동을 흡수하고, 그와 반대의 액체 이동경로를 통하는 과정을 수 많이 반복하면서 진동을 흡수하게 된다.First, referring to the state of use of the present invention, first, when the vibration is applied to the engine by starting the car, in particular, the case where the fine amplitude acts, the fastening means 90 fixed to the bottom of the engine Vibration is transmitted to the induspheral body 80 through the vibration, and the vibration acts downward through the first inlet 54 of the orifice support 50 by acting the liquid in the pouring chamber downward. Inflow to the second inlet 56 in the absorbs the vibration in the diaphragm 30, and absorbs the vibration while repeating the process through the liquid movement path to the contrary many times.

그리고, 이와 동시에 미세진동이 가하여지는 경우에는 오리피스지지체(50)의 진동이 미세하므로 오리피스지지체(50)가 상부스토퍼(60)와 하부스토퍼(35)에 접촉되지 않아 유동공간부(37)를 차단하지 않으므로 주액실(75)에 저장된 액체는 상측의 유동공간부(37)를 통하여 탄성체(45)의 액체이동로(36)를 거쳐 하부에 있는 유동공간부(37)를 통하여 상,하로 액체가 이동되면서 엔진의 충격을 흡수하게 되므로 스프링상수를 극소화시키면서 엔진의 진동을 효과적으로 흡수하게 되는 것이다.At the same time, when the micro vibration is applied, the vibration of the orifice support 50 is minute, so that the orifice support 50 does not contact the upper stopper 60 and the lower stopper 35 to block the flow space 37. Therefore, the liquid stored in the pouring chamber 75 passes through the liquid moving path 36 of the elastic body 45 through the flow space 37 of the upper side and the liquid flows up and down through the flow space 37 below. Since it absorbs the impact of the engine while moving, it will effectively absorb the vibration of the engine while minimizing the spring constant.

그리고, 엔진의 RPM이 증가하면서, 대진폭의 진동이 본 마운팅장치에 입력되어지게 되면, 일차적으로 엔진의 저면에 고정된 체결수단(90)을 통하여 주고무체(80)에 진동이 전달되어지고, 그 진동은 주액실의 액체를 하측으로 작용시켜 오리피스지지체(50)의 제1출입구(54)를 통하여 유입되어 오리피스(52)의 공간을 지나 하부에 있는 제2출입구(56)로 유입되어서 다이아프램(30)에서 진동을 흡수하고, 그와 반대의 액체 이동경로를 통하는 과정을 수 많이 반복하면서 진동을 흡수하게 된다.In addition, when the RPM of the engine increases, when a large amplitude vibration is input to the mounting apparatus, the vibration is transmitted to the main body 80 through the fastening means 90 fixed to the bottom of the engine. The vibration acts on the liquid in the injection chamber downward and flows in through the first inlet 54 of the orifice support 50 to pass through the space of the orifice 52 and into the second inlet 56 at the lower portion thereof. At 30, the vibration is absorbed, and the vibration is absorbed while repeating the process through the liquid movement path opposite thereto.

또한, 대진폭의 진동이 가하여지는 경우에는 오리피스지지체(50)의 상,하이동으로 인하여 상부스토퍼(60)와 하부스토퍼(35)에 접촉되면서 상,하부에 있는 유동공간부(37)를 차단하므로 탄성체(45)의 액체이동로(36)를 통하여 주액실(75)과 부액실(25)의 액체가 이동되는 것이 차단되어지므로 적절한 감쇠값을 획득하여 진동을 적절하게 흡수할 수 있게 된다.In addition, in the case where a large amplitude vibration is applied, the upper and lower stoppers 35 contact the upper stopper 60 and the lower stopper 35 due to the up and down movement of the orifice support 50 to block the flow space 37 in the upper and lower parts. Therefore, the liquid in the injection chamber 75 and the subsidiary liquid chamber 25 is blocked from moving through the liquid moving path 36 of the elastic body 45, so that an appropriate attenuation value can be obtained to properly absorb vibration.

그리고, 미진폭과 대진폭이 반복하여 가하여지는 경우에도 상기한 과정을 거치면서 진동을 흡수하여 스프링상수가 저감되는 효과와 감쇠값의 저감을 달성하여 엔진의 정숙운전을 가할 수 있다.In addition, even when the small amplitude and the large amplitude are repeatedly applied, the engine can be quietly operated by absorbing vibration and reducing the spring constant and reducing the damping value.

특히, 도 4에 도시된 바와 같이, 50 헤르쯔 정도에서의 진폭과 1500RPM에 해당하는 진동이 가하여지는 경우에는 종래의 마운팅장치에 비하여 본 발명에 따른 마운팅장치에서 스프링상수가 일시적으로 감쇠하였다가 다시 증가하는 상태를 살펴 보면, 미진폭에서 동 스프링상수의 극소화를 도모하여 자동차의 정숙운전을 도모하는 것이다.In particular, as shown in Figure 4, when the vibration corresponding to the amplitude of about 50 Hertz and 1500RPM is applied, the spring constant is temporarily attenuated in the mounting apparatus according to the present invention compared to the conventional mounting apparatus and then increased again. In view of the state, the spring constant is minimized at the low amplitude, and the vehicle is quietly driven.

따라서, 상기한 바와 같이 본 발명에 따른 감쇠력을 향상시킨 액체봉입형마운팅장치를 사용하게 되면, 마운팅장치에서 오리피스를 형성하는 오리피스지지체의 외측부분에 액체이동로를 갖는 탄성체를 일정한 간격을 설치하고, 이 탄성체를 외측지지체로 지지한 후에 미세진동이 가하여지는 경우에는 유동공간부를 통하여 액체의 이동을 보조하여 스프링상수를 극소화하므로 엔진의 정숙운전을 도모하고, 큰 진폭이 오리피스지지체에 가해지는 경우 오리피스지지체가 유동공간부를 통한 액체의 이동을 차단하므로 충격에 대한 감쇠력을 발휘하여 차량의 진동을 효율적으로 저감하여 승차감을 향상시키도륵 하는 매우 유용하고 효과적인 발명이다.Therefore, when using the liquid-encapsulated mounting apparatus with improved damping force according to the present invention as described above, an elastic body having a liquid movement path is provided on the outer portion of the orifice support forming the orifice in the mounting apparatus, When the micro vibration is applied after the elastic body is supported by the outer support, the movement of the liquid through the flow space minimizes the spring constant, so that the engine is quietly operated, and when the large amplitude is applied to the orifice support, the orifice support is This is a very useful and effective invention to block the movement of the liquid through the flow space to exhibit a damping force to the impact to effectively reduce the vibration of the vehicle to improve the ride comfort.

Claims (1)

주액실(75)에 저장된 오리피스지지체(50)의 제1출입구(54)를 통하여 반대측의 제2출입구(56)를 통하여 부액실(25)로 유입되어 엔진의 진동을 흡수하는 액체봉입형 마운팅장치에 있어서,Liquid-filled mounting device that flows into the sub-liquid chamber 25 through the second entrance 56 on the opposite side through the first entrance 54 of the orifice support 50 stored in the injection chamber 75 and absorbs the vibration of the engine. To 상기 오리피스지지체(50)의 외측면에 일정한 간격으로 주액실(75)과 부액실(25) 액체를 이동할 수 있는 액체이동로(36)를 형성하면서 오리피스지지체(50)를 지지하는 합성고무재인 탄성체(45)와;An elastic body that is a synthetic rubber material that supports the orifice support 50 while forming a liquid movement path 36 capable of moving the liquid in the injection chamber 75 and the liquid injection chamber 25 at regular intervals on the outer surface of the orifice support 50. 45; 상기 탄성체(45)의 외측면에 원형으로 감싸져서 탄성체(45)를 지지하는 외측 지지체(40)와;An outer supporter 40 wrapped around the outer surface of the elastic body 45 to support the elastic body 45; 상기 외측지지체(40)의 상부 턱진부분에 걸려지고, 주액실(75)의 내측으로 돌출되어 오리피스지지체(50)의 상부 이동을 제한하는 상부스토퍼(60)와;An upper stopper (60) which is hooked on the upper jaw portion of the outer support (40) and protrudes inwardly of the injection chamber (75) to limit the upper movement of the orifice support (50); 상기 외측지지체(40)의 하측 턱진부분에 걸려지고, 부액실(25)의 내측으로 돌출되어 상기 액체이동로(36)를 통한 액체가 이동하는 유동공간부(37)를 형성하고, 오리피스지지체(50)의 하측이동을 제한하는 하부스토퍼(35)로 구성된 것을 특징으로 하는 감쇠력을 향상시킨 액체봉입형 마운팅 장치.It is caught by the lower jaw portion of the outer support 40, and protrudes into the liquid-liquid chamber 25 to form a flow space portion 37 for moving the liquid through the liquid movement path 36, the orifice support ( Liquid-filled mounting device with improved damping force, characterized in that consisting of a lower stopper (35) for limiting the downward movement of the 50).
KR1019970073221A 1997-12-24 1997-12-24 Hydraulic engine mounting system with enhancing decreasing KR100255611B1 (en)

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