KR100470776B1 - Engine Mount For Vehicle - Google Patents

Engine Mount For Vehicle Download PDF

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Publication number
KR100470776B1
KR100470776B1 KR10-2001-0077819A KR20010077819A KR100470776B1 KR 100470776 B1 KR100470776 B1 KR 100470776B1 KR 20010077819 A KR20010077819 A KR 20010077819A KR 100470776 B1 KR100470776 B1 KR 100470776B1
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KR
South Korea
Prior art keywords
diaphragm
liquid chamber
engine mount
rubber
vibration
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KR10-2001-0077819A
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Korean (ko)
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KR20030047350A (en
Inventor
김범수
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기아자동차주식회사
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Priority to KR10-2001-0077819A priority Critical patent/KR100470776B1/en
Publication of KR20030047350A publication Critical patent/KR20030047350A/en
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Publication of KR100470776B1 publication Critical patent/KR100470776B1/en

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Classifications

    • 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
    • B60K5/1208Resilient 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
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00Optimising design; Manufacturing; Testing
    • B60Y2304/05Reducing production costs, e.g. by redesign
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00Special features of vehicle units
    • B60Y2400/48Vibration dampers, e.g. dual mass flywheels

Abstract

본 발명은 굴곡격막으로 고주파영역에서의 엔진 진동을 효과적으로 절연할 수 있도록 한 자동차의 유체봉입식 엔진마운트에 관한 것으로, 종래의 유체봉입식 엔진마운트에 있어서는 가동판(11')을 통한 고주파 영역의 튜닝범위가 100~150Hz 정도이어서 4000RPM 이상 영역인 150~250Hz의 튜닝이 불가능하게 되는 문제가 있었고, 그에 따라 고출력에 의한 고주파 영역의 진동을 절연할 수 없게 되는 문제가 있었던 바, 메인러버(1)와 하부러버(7)의 사이에 다수의 요부(9a)를 갖는 굴곡격막(9)을 설치하여 상부액실(6)과 하부액실(8)을 구획하고, 굴곡격막(9)의 각 요부(9a)에 통공(9b)을 형성하며, 메인러버(1)의 하단부에 굴곡격막(9)의 각 요부(9a)와 대응되는 다수의 돌출기둥(1a)을 마련한 것을 특징으로 하는 본 발명에 의하면 저주파 영역의 진동은 물론 150~250Hz의 고주파 영역 진동도 효과적으로 절연할 수 있게 되므로 엔진마운트(M)의 성능을 크게 개선할 수 있게 됨은 물론 단일 격막을 사용하여 격막구조를 단순화시킴으로써 원가를 절감할 수 있게 되며, 원활한 작동으로 고장의 우려가 거의 없게 되는 등의 효과를 얻을 수 있게 된다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid-sealed engine mount for a vehicle that effectively insulates engine vibration in a high-frequency region with a curved diaphragm. In a conventional fluid-sealed engine mount, a high frequency region through a movable plate 11 'is provided. Since the tuning range was about 100 to 150 Hz, there was a problem in that tuning of 150 to 250 Hz, which is an area of 4000 RPM or more, was impossible, and accordingly, there was a problem that it was not possible to insulate the vibration in the high frequency region due to the high power. A curved diaphragm 9 having a plurality of recesses 9a is provided between the and the lower rubbers 7 to partition the upper liquid chamber 6 and the lower liquid chamber 8 and each recess 9a of the curved diaphragm 9. According to the present invention, a plurality of protruding pillars 1a corresponding to the recesses 9a of the curved diaphragm 9 are formed at the lower end of the main rubber 1 in the through hole 9b. High frequency of 150-250 Hz as well as vibration in the region The area vibration can be effectively insulated, which greatly improves the performance of the engine mount (M), and the cost can be reduced by simplifying the diaphragm structure by using a single diaphragm. It is possible to obtain an effect such as disappearing.

Description

자동차의 유체봉입식 엔진마운트 {Engine Mount For Vehicle } Engine Mount For Vehicle {Engine Mount For Vehicle}

본 발명은 자동차의 유체봉입식 엔진마운트에 관한 것으로, 더 자세하게는 굴곡 격막구조를 마련하여 고주파영역에서의 엔진 진동을 효과적으로 절연할 수 있도록 한 것에 관한 것이다.The present invention relates to a fluid-mounted engine mount of an automobile, and more particularly, to providing a curved diaphragm structure to effectively insulate the engine vibration in the high frequency region.

본 발명은 특히 격막의 상부와 하부에 유체가 충전되는 상부액실과 하부액실이 마련되어 외부에서 작용하는 힘에 의하여 상부액실의 유체가 하부액실로 이동할 때의 감쇠력으로 엔진진동을 절연할 수 있도록 한 유체 봉입식 엔진마운트에 관계하는 것인 바, 종래에 있어서 이와 같은 유체봉입식 엔진마운트는 도 1 및 도 2와 같이 메인브라켓트(2')의 상부에 메인러버(1')와 상부브라켓트(3')가 설치되고, 메인브라켓트(2')의 하부에 하부러버(7')와 하부브라켓트(4')가 설치되며, 메인러버(1')와 하부러버(7')의 사이에 상부격막(10')과 하부격막(9')이 설치되는 동시에 상부격막(10')과 하부격막(9')의 사이에 가동판(11')이 설치되는 형태의 것이 주로 사용되었다.In particular, the present invention provides an upper liquid chamber and a lower liquid chamber in which fluid is filled in the upper and lower portions of the diaphragm so that the engine vibration can be insulated by the damping force when the fluid in the upper liquid chamber moves to the lower liquid chamber by an external force. As related to the enclosed engine mount, in the related art, such a fluid enclosed engine mount includes a main rubber 1 'and an upper bracket 3' on the upper part of the main bracket 2 'as shown in FIGS. 1 and 2. ) Is installed, and the lower rubber 7 'and the lower bracket 4' are installed at the lower part of the main bracket 2 ', and the upper diaphragm between the main rubber 1' and the lower rubber 7 '. 10 ') and the lower diaphragm 9' are installed and the movable plate 11 'is mainly installed between the upper diaphragm 10' and the lower diaphragm 9 '.

상기 종래의 유체봉입식 엔진마운트(M')는 외부에서 작용하는 힘이 메인러버(1')를 압축할 때 메인러버(1')와 상부격막(10') 사이에 마련되는 상부액실(6')의 유체가 하부격막(9')과 하부러버(7') 사이에 마련되는 하부액실(8')로 이동하게 되면서 엔진 진동을 절연하게 되는 것인 바, 상부격막(10')과 하부격막(9')의 양측에 마련되는 오리피스(5')를 통해 저주파 영역을 감쇠시키게 되고, 가동판(11')을 통해 고주파 영역을 감쇠시키게 된다.The conventional fluid-enclosed engine mount M 'has an upper liquid chamber 6 provided between the main rubber 1' and the upper diaphragm 10 'when a force acting on the outside compresses the main rubber 1'. ') Fluid is moved to the lower liquid chamber 8' provided between the lower diaphragm 9 'and the lower rubber 7' to insulate the engine vibration, the upper diaphragm 10 'and the lower The low frequency region is attenuated by the orifices 5 'provided on both sides of the diaphragm 9', and the high frequency region is attenuated by the movable plate 11 '.

그러나 상기 종래의 유체봉입식 엔진마운트에 있어서는 가동판(11')을 통한 고주파 영역의 튜닝범위가 100~150Hz 정도이어서 4000RPM 이상 영역인 150~250Hz의 튜닝이 불가능하게 되는 문제가 있었고, 그에 따라 고출력에 의한 고주파 영역의 진동을 절연할 수 없게 되는 문제가 있었다.However, in the conventional fluid-sealed engine mount, the tuning range of the high frequency region through the movable plate 11 'is about 100 to 150 Hz, so that tuning of 150 to 250 Hz, which is more than 4000 RPM, is impossible, and thus high power There was a problem that the vibration of the high frequency region due to the insulation cannot be insulated.

본 발명은 상기 종래의 유체봉입식 엔진마운트의 제결함을 감안하여 안출한 것이며, 그 목적이 고주파 영역의 진동을 보다 효과적으로 절연할 수 있도록 하는 자동차의 유체봉입식 엔진마운트를 제공하는 데에 있는 것이다. The present invention has been made in view of the deficiencies of the conventional fluid-filled engine mount, and its object is to provide a fluid-filled engine mount for automobiles that can effectively insulate vibrations in the high frequency range. .

본 발명은 상기의 목적을 달성하기 위하여 메인러버와 하부러버의 사이에 다수의 요부를 갖는 굴곡격막을 설치하여 상부액실과 하부액실을 구획하며, 메인러버의 하단부에 굴곡격막의 각 요부와 대응되는 다수의 돌출기둥을 마련하는 것을 특징으로 하며, 이하 그 구체적인 기술내용을 첨부도면에 의거하여 더욱 자세히 설명하면 다음과 같다.The present invention partitions the upper liquid chamber and the lower liquid chamber by installing a curved diaphragm having a plurality of recesses between the main rubber and the lower rubber in order to achieve the above object, and corresponding to the respective recessed parts of the curved diaphragm at the lower end of the main rubber It is characterized by providing a plurality of protruding pillar, and will be described in more detail on the basis of the accompanying drawings, the specific technical details as follows.

즉, 도 3 및 도 4에는 본 발명의 한 실시예가 도시되어 있는 바, 본 발명은 메인브라켓트(2)의 상부에 메인러버(1)와 상부브라켓트(3)가 설치되고, 메인브라켓트(2)의 하부에 하부러버(7)와 하부브라켓트(4)가 설치되며, 메인러버(1)와 하부러버(7)의 사이에 상부액실(6)과 하부액실(8)을 구획하는 굴곡격막(9)이 설치되고 격막(9)의 양측에 저주파 영역의 진동을 절연하는 오리피스(5)가 마련되는 자동차의 유체봉입식 엔진마운트(M)를 구성함에 있어서, 메인러버(1)와 하부러버(7)의 사이에 다수의 요부(9a)를 갖는 굴곡격막(9)을 설치하여 상부액실(6)과 하부액실(8)을 구획하고, 굴곡격막(9)의 각 요부(9a)에 통공(9b)을 형성하며, 메인러버(1)의 하단부에 굴곡격막(9)의 각 요부(9a)와 대응되는 다수의 돌출기둥(1a)을 마련하여서 되는 것이다.That is, one embodiment of the present invention is shown in Figures 3 and 4, the present invention, the main rubber (1) and the upper bracket (3) is installed on top of the main bracket (2), the main bracket (2) The lower rubber 7 and the lower bracket 4 are installed at the lower side of the bent diaphragm 9, which partitions the upper liquid chamber 6 and the lower liquid chamber 8 between the main rubber 1 and the lower rubber 7. In the fluid-filled engine mount (M) of an automobile provided with an orifice (5) installed on both sides of the diaphragm (9) and insulated from the vibration of the low frequency region, the main rubber (1) and the lower rubber (7) A curved diaphragm 9 having a plurality of recesses 9a is arranged between the upper liquid chambers 6 and the lower liquid chambers 8, and a through hole 9b is formed in each recessed portion 9a of the curved diaphragm 9). ) And a plurality of protruding pillars 1a corresponding to the respective recessed portions 9a of the curved diaphragm 9 at the lower end of the main rubber 1.

삭제delete

상기와 같이 구성된 본 발명에 있어서는 외부에서 작용하는 힘이 메인러버(1)를 압축할 때 상부액실(6)의 유체가 굴곡격막(9)의 오리피스(5)와 요부(9a)를 통해 하부액실(8)로 이동하게 되면서 엔진 진동을 절연하게 되는 것으로, 굴곡격막(9)의 양측에 마련되는 오리피스(5)를 통해 저주파 영역을 감쇠시키게 되고, 메인러버(1)의 돌출기둥(1a)이 굴곡격막(9)의 각 요부(9a)로 삽입되어 굴곡격막 각 요부(9a)에 형성된 통공(9b)을 통해 유체가 하부액실(8)로 이동하게 되면서 150~250Hz범위의 고주파 영역 엔진 진동을 절연하게 된다.In the present invention configured as described above, the fluid in the upper liquid chamber 6 flows through the orifice 5 and the recessed portion 9a of the curved diaphragm 9 when the externally acting force compresses the main rubber 1. As it moves to (8) to insulate the engine vibration, the low frequency region is attenuated by the orifices 5 provided on both sides of the curved diaphragm 9, and the protrusion pillar 1a of the main rubber 1 is The fluid is moved into the lower liquid chamber 8 through a through hole 9b formed in each recess 9a of the flex diaphragm 9 to form a high frequency region engine vibration in the range of 150 to 250 Hz. Isolation.

이상에서와 같이 본 발명은 메인러버(1)와 하부러버(7)의 사이에 다수의 요부(9a)를 갖는 굴곡격막(9)을 설치하여 상부액실(6)과 하부액실(8)을 구획하고, 굴곡격막(9)의 각 요부(9a)에 통공(9b)을 형성하며, 메인러버(1)의 하단부에 굴곡격막(9)의 각 요부(9a)와 대응되는 다수의 돌출기둥(1a)을 마련한 것으로, 본 발명에 의하면 저주파 영역의 진동은 물론 150~250Hz의 고주파 영역 진동도 효과적으로 절연할 수 있게 되므로 엔진마운트(M)의 성능을 크게 개선할 수 있게 됨은 물론 단일 격막을 사용하여 격막구조를 단순화시킴으로써 원가를 절감할 수 있게 되며, 원활한 작동으로 고장의 우려가 거의 없게 되는 등의 효과를 얻을 수 있게 된다.As described above, the present invention divides the upper liquid chamber 6 and the lower liquid chamber 8 by installing a curved diaphragm 9 having a plurality of recesses 9a between the main rubber 1 and the lower rubber 7. The through hole 9b is formed in each recess 9a of the curved diaphragm 9, and a plurality of protrusion pillars 1a corresponding to each recess 9a of the curved diaphragm 9 are formed at the lower end of the main rubber 1. According to the present invention, the vibration of the low frequency region as well as the high frequency region vibration of 150 to 250 Hz can be effectively insulated, thereby greatly improving the performance of the engine mount (M), and of course, using a single diaphragm. By simplifying the structure, the cost can be reduced, and the smooth operation makes it possible to obtain the effect of almost no risk of failure.

도 1은 종래의 한 유체봉입식 엔진마운트의 종단면도1 is a longitudinal sectional view of a conventional fluid-sealed engine mount;

도 2는 동 유체봉입식 엔진마운트의 격막 부위 종단면도Figure 2 is a longitudinal cross-sectional view of the diaphragm portion of the fluid-filled engine mount.

도 3은 본 발명의 한 실시예의 종단면도3 is a longitudinal sectional view of one embodiment of the present invention;

도 4는 동 실시예의 격막부위 종단면도4 is a longitudinal sectional view of the diaphragm portion of the embodiment;

* 도면의 주요 부분에 대한 부호 설명 *Explanation of symbols on the main parts of the drawings

M : 유체봉입식 엔진마운트 1 : 메인러버M: Fluid-filled engine mount 1: Main rubber

1a : 돌출기둥 2 : 메인브라켓트1a: protrusion pillar 2: main bracket

3 : 상부브라켓트 4 : 하부브라켓트3: upper bracket 4: lower bracket

5 : 오리피스 6 : 상부액실5: orifice 6: upper liquid chamber

7 : 하부러버 8 : 하부액실7: lower rubber 8: lower liquid chamber

9 : 굴곡격막 9: bend diaphragm

9a : 요부 9b : 통공9a: main part 9b: through-hole

Claims (1)

메인브라켓트(2)의 상부에 메인러버(1)와 상부브라켓트(3)가 설치되고, 메인브라켓트(2)의 하부에 하부러버(7)와 하부브라켓트(4)가 설치되며, 메인러버(1)와 하부러버(7)의 사이에 상부액실(6)과 하부액실(8)을 구획하는 굴곡격막(9)이 설치되고 격막(9)의 양측에 저주파 영역의 진동을 절연하는 오리피스(5)가 마련되는 것에 있어서, 메인러버(1)와 하부러버(7)의 사이에 상부액실(6)과 하부액실(8)이 구획되도록 설치되는 굴곡격막(9)에 다수의 요부(9a)를 형성하고, 상기 굴곡격막(9)의 각 요부(9a)에는 통공(9b)이 형성되며, 상기 상부액실(6)이 형성되어 있는 메인러버(1)의 하단부에는 굴곡격막(9)의 각 요부(9a)와 대응되는 다수의 돌출기둥(1a)이 형성된 것을 특징으로 하는 자동차의 유체봉입식 엔진마운트.The main rubber 1 and the upper bracket 3 are installed on the upper part of the main bracket 2, and the lower rubber 7 and the lower bracket 4 are installed on the lower part of the main bracket 2, and the main rubber 1 And an orifice (5) between the upper rubber chamber (6) and the lower liquid chamber (8), which divides the upper liquid chamber (6) and the lower liquid chamber (8), and insulates vibration of the low frequency region on both sides of the diaphragm (9). Is provided, a plurality of recesses 9a are formed in the curved diaphragm 9 which is installed so that the upper liquid chamber 6 and the lower liquid chamber 8 are partitioned between the main rubber 1 and the lower rubber 7. Each recess 9a of the curved diaphragm 9 has a through hole 9b formed therein, and a lower end of the main rubber 1 in which the upper liquid chamber 6 is formed has each recessed portion 9 of the curved diaphragm 9 formed therein. A fluid-mounted engine mount of a motor vehicle, characterized in that a plurality of projection pillars (1a) corresponding to 9a) is formed.
KR10-2001-0077819A 2001-12-10 2001-12-10 Engine Mount For Vehicle KR100470776B1 (en)

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KR10-2001-0077819A KR100470776B1 (en) 2001-12-10 2001-12-10 Engine Mount For Vehicle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101640556B1 (en) * 2015-08-31 2016-07-19 현대자동차주식회사 Install structure of membrane
KR20170026946A (en) * 2015-08-31 2017-03-09 현대자동차주식회사 Structure of nozzle for engine-mount

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101499211B1 (en) * 2009-11-16 2015-03-05 현대자동차주식회사 Engine mount that can self control flow

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479443A (en) * 1987-09-21 1989-03-24 Toyo Tire & Rubber Co Liquid-sealed type vibration-proof mount
JPH0266335A (en) * 1988-08-31 1990-03-06 Toyo Tire & Rubber Co Ltd Cylinder-formed liquid sealing vibrationproofing mount

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479443A (en) * 1987-09-21 1989-03-24 Toyo Tire & Rubber Co Liquid-sealed type vibration-proof mount
JPH0266335A (en) * 1988-08-31 1990-03-06 Toyo Tire & Rubber Co Ltd Cylinder-formed liquid sealing vibrationproofing mount

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101640556B1 (en) * 2015-08-31 2016-07-19 현대자동차주식회사 Install structure of membrane
KR20170026946A (en) * 2015-08-31 2017-03-09 현대자동차주식회사 Structure of nozzle for engine-mount
KR102169365B1 (en) 2015-08-31 2020-10-26 현대자동차주식회사 Structure of nozzle for engine-mount

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