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KR20090053017A - Bearing Lubricant Supply Device of Transmission for Hybrid Vehicle - Google Patents

Bearing Lubricant Supply Device of Transmission for Hybrid Vehicle Download PDF

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Publication number
KR20090053017A
KR20090053017A KR1020070119627A KR20070119627A KR20090053017A KR 20090053017 A KR20090053017 A KR 20090053017A KR 1020070119627 A KR1020070119627 A KR 1020070119627A KR 20070119627 A KR20070119627 A KR 20070119627A KR 20090053017 A KR20090053017 A KR 20090053017A
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transmission
bearing
oil
hybrid vehicle
oil supply
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KR1020070119627A
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KR100908168B1 (en
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김경하
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현대자동차주식회사
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    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Details Of Gearings (AREA)

Abstract

본 발명은 하이브리드 차량용 변속기의 베어링 윤활유공급장치에 관한 것으로서, 종래의 로터 샤프트 및 더블 볼 베어링의 오일공급홀을 배제하고 대신에 상기 로터 샤프트의 하단부에 오일 공급이 가능하도록 한 쌍의 니들 롤러 베어링 사이에 형성된 공간을 따라 오일이 양측으로 비산될 수 있도록 일정한 각도를 갖는 오일비산부재를 일체로 형성하여 오일공급홀을 가공하지 않으면서도 변속기 내의 베어링 등에 윤활유를 쉽게 공급할 수 있도록 하는 하이브리드 차량용 변속기의 베어링 윤활유공급장치에 관한 것이다. The present invention relates to a bearing lubricating oil supply device of a transmission for a hybrid vehicle, and excludes oil supply holes of a conventional rotor shaft and a double ball bearing, and instead of a pair of needle roller bearings to enable oil supply to the lower end of the rotor shaft. Bearing lubricant of transmission for hybrid vehicle, which makes it possible to easily supply lubricant to bearings in the transmission without machining the oil supply hole by integrally forming oil scattering members having a certain angle so that oil can be scattered to both sides along the space formed in the It relates to a supply device.

하이브리드 차량, 변속기, 베어링, 윤활유, 오일비산부재, 제1경사부, 제2경사부 Hybrid vehicle, transmission, bearing, lubricant, oil scattering member, first inclined part, second inclined part

Description

하이브리드 차량용 변속기의 베어링 윤활유공급장치{Lubricant supply device of bearing in transmission for hybrid electric vehicle}Lubricant supply device of bearing in transmission for hybrid electric vehicle

본 발명은 하이브리드 차량용 변속기의 베어링 윤활유공급장치에 관한 것으로서, 더욱 상세하게는 오일공급홀 없이 변속기 내의 공간을 통해 오일을 비산시켜 베어링 등과 같은 윤활이 필요한 부품을 윤활시킬 수 있는 하이브리드 차량용 변속기의 베어링 윤활유공급장치에 관한 것이다.The present invention relates to a bearing lubricating oil supply device of a transmission for a hybrid vehicle, and more particularly, a bearing lubricating oil of a hybrid vehicle transmission that can lubricate parts requiring lubrication such as bearings by scattering oil through a space in a transmission without an oil supply hole. It relates to a supply device.

일반적으로, 하이브리드 차량의 변속기에 설치되는 모터에서는 필요한 유압 및 유량을 충분하게 공급해야 한다. In general, a motor installed in a transmission of a hybrid vehicle should supply sufficient hydraulic pressure and flow rate.

이 경우, 필요한 유압이나 유량을 충분히 확보하기 위해서는 상기 하이브리드 차량에서 사용되는 변속기는 윤활이 필요한 부품, 즉 베어링 등에 윤활유를 안내하기 위한 전용 윤활유로나 가이드가 설치되어 있다.In this case, in order to sufficiently secure the required hydraulic pressure and flow rate, the transmission used in the hybrid vehicle is provided with a dedicated lubricating oil passage or a guide for guiding lubricating oil in a part that requires lubrication, that is, a bearing.

예를 들어, 도 3은 종래의 하이브리드 차량용 변속기의 베어링 윤활유공급장치를 나타내는 단면도로서, 더블 볼 베어링(110)을 윤활하기 위하여 모터의 로터 샤프트(100)에 오일공급홀(300)을 가공해야 하고, 마찬가지로 더블 볼 베어링(110)에도 볼이 윤활될 수 있도록 오일공급홀(300)을 가공해야 하는데 그 오일공급홀(300)을 가공하는데 가공 공정수가 증가하여 가공 비용이 증가하는 문제점이 발생하게 된다. For example, FIG. 3 is a cross-sectional view showing a bearing lubricating oil supply device of a transmission for a hybrid vehicle according to the related art. In order to lubricate the double ball bearing 110, the oil supply hole 300 must be processed in the rotor shaft 100 of the motor. Likewise, the oil supply hole 300 should be processed so that the ball may be lubricated in the double ball bearing 110, but the processing cost increases due to the increase in the number of machining processes to process the oil supply hole 300. .

따라서, 상기 오일공급홀(300)을 가공하지 않으면서 변속기 내의 베어링 등에 윤활유를 공급할 수 있는 윤활 구조의 변경이 요구된다.Therefore, a change in the lubrication structure capable of supplying lubricating oil to a bearing in the transmission and the like without processing the oil supply hole 300 is required.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위하여 발명한 것으로서, 로터 샤프트의 하단부에 오일 공급이 가능하도록 한 쌍의 니들 롤러 베어링 사이에 형성된 공간을 따라 오일이 양측으로 비산될 수 있도록 일정한 각도를 갖는 오일비산부재를 형성하여 오일공급홀을 가공하지 않으면서도 변속기 내의 베어링 등에 윤활유를 쉽게 공급할 수 있도록 하는 하이브리드 차량용 변속기의 베어링 윤활유공급장치를 제공하고자 한다. Therefore, the present invention has been invented to solve the above problems, and a constant angle so that oil can be scattered to both sides along a space formed between a pair of needle roller bearings to enable oil supply to the lower end of the rotor shaft. An object of the present invention is to provide a bearing lubricating oil supply device of a transmission for a hybrid vehicle, which can easily supply lubricating oil to a bearing in a transmission without processing an oil supply hole by forming an oil scattering member having the same.

상기와 같은 목적을 달성하기 위하여 본 발명은, 하이브리드 차량용 변속기 내에 구성되어 있는 모터의 로터 샤프트(100)와, 상기 로터 샤프트(100) 주위에 그 로터 샤프트(100)의 회전을 보조하는 더블 볼 베어링(110), 니들 롤러 베어링(120) 및 스러스트 베어링(130)이 장착되어지되, 상기 니들 롤러 베어링(120) 사이에 형성된 오일 공급 유로(200)를 통해 공급되는 오일이 양측으로 비산될 수 있도록 로터 샤프트(100)에 일체로 돌출 형성되는 동시에 일정한 각도로 경사진 오일비산부재(10)가 형성된 것을 특징으로 한다.In order to achieve the above object, the present invention, the rotor shaft 100 of the motor configured in the transmission for a hybrid vehicle, and the double ball bearing to assist the rotation of the rotor shaft 100 around the rotor shaft 100 110, the needle roller bearing 120 and the thrust bearing 130 is mounted, the rotor so that the oil supplied through the oil supply flow path 200 formed between the needle roller bearing 120 can be scattered to both sides At the same time formed integrally projecting the shaft 100 is characterized in that the oil scattering member 10 is inclined at a predetermined angle.

바람직한 실시예로서, 상기 오일비산부재(10)는 상기 오일 공급 유로(200) 방향으로 테이퍼 형상으로 돌출된 제1 및 제2경사부(11,12)를 갖도록 형성된 것을 특징으로 한다.In an exemplary embodiment, the oil scattering member 10 may be formed to have first and second inclined portions 11 and 12 protruding in a tapered shape in the oil supply flow path 200.

또한, 상기 제1경사부(11)는 사이즈가 큰 더블 볼 베어링(110)쪽으로의 오일 공급량이 많도록 상기 제2경사부(12) 보다 그 경사 폭이 큰 것을 특징으로 한다. In addition, the inclined width of the first inclined portion 11 is larger than that of the second inclined portion 12 so that the amount of oil supplied to the double ball bearing 110 having a large size is large.

이상에서 본 바와 같이, 본 발명에 따른 하이브리드 차량용 변속기의 베어링 윤활유공급장치에 의하면, 오일공급홀을 가공하지 않으면서도 변속기 내의 베어링 등에 윤활유를 쉽게 공급할 수 있는 효과가 있다.As described above, according to the bearing lubricating oil supply device of the transmission for a hybrid vehicle according to the present invention, there is an effect that can easily supply lubricating oil to a bearing in the transmission and the like without processing the oil supply hole.

이하, 첨부도면을 참조하여 본 발명의 구성에 대해 상세하게 설명하면 다음과 같다. Hereinafter, the configuration of the present invention with reference to the accompanying drawings in detail.

첨부한 도 1은 본 발명에 따른 하이브리드 차량용 변속기의 베어링 윤활유공급장치를 나타내는 단면도이며, 도 2는 본 발명에 따른 하이브리드 차량용 변속기의 베어링 윤활유공급장치의 오일 흐름상태를 나타내는 도면이다. 1 is a cross-sectional view illustrating a bearing lubricating oil supply device of a hybrid vehicle transmission according to the present invention, and FIG. 2 is a view illustrating an oil flow state of a bearing lubricating oil supply device of a hybrid vehicle transmission according to the present invention.

본 발명은 도 1에 도시된 바와 같이, 하이브리드 차량용 변속기는 그 내부에 모터의 로터 샤프트(100)와, 상기 로터 샤프트(100) 주위에 그 로터 샤프트(100)의 회전을 보조하는 더블 볼 베어링(110), 니들 롤러 베어링(120) 및 스러스트 베어링(130)을 포함하는 기술적 구성으로 되어 있다. As shown in FIG. 1, the hybrid vehicle transmission may include a rotor shaft 100 of a motor therein and a double ball bearing assisting rotation of the rotor shaft 100 around the rotor shaft 100. 110), the needle roller bearing 120 and the thrust bearing 130 is a technical configuration including.

여기서, 상기 베어링 등과 같이 윤활이 필요한 부품에 오일을 공급할 수 있도록 하는 바, 종래의 오일공급홀(300)을 배제하고, 대신에 오일이 공급되는 공간, 즉 한 쌍의 니들 롤러 베어링(120) 사이에 형성된 오일 공급 유로(200)를 통해 공급되는 오일이 양측으로 비산될 수 있도록 일정한 각도로 경사진 오일비산부재(10)가 형성된다.In this case, the oil can be supplied to a component requiring lubrication such as the bearing, and thus, the oil supply hole 300 is excluded from the conventional oil supply space. Instead, the oil supply space is provided, that is, between the pair of needle roller bearings 120. An oil scattering member 10 that is inclined at a predetermined angle is formed so that the oil supplied through the oil supply passage 200 formed therein can be scattered to both sides.

상기 오일비산부재(10)는 도 1 및 도 2에 도시된 바와 같이, 상기 오일 공급 유로(200)와 만나는 로터 샤프트(100)에 일체로 돌출 형성되어지되, 오일 공급 유로(200) 방향으로 경사진 테이퍼 형상으로 돌출되어 있다.As shown in FIGS. 1 and 2, the oil scattering member 10 protrudes integrally with the rotor shaft 100 that meets the oil supply flow path 200, but is tilted toward the oil supply flow path 200. It protrudes into a photographic taper shape.

즉, 상기 오일 공급 유로(200)를 통해 유입되는 오일이 상기 오일비산부재(10)의 양측에 형성된 제1 및 제2경사부(11,12)에 부딪히게 되어 그 오일의 유동 방향이 변경되도록 되어 있다.That is, the oil flowing through the oil supply passage 200 hits the first and second inclined portions 11 and 12 formed at both sides of the oil scattering member 10 so that the flow direction of the oil is changed. It is.

이때, 오일이 비산되고 난 후 오일 유동 공간(부품 사이에 형성된 틈)을 따라 공급되어 상기 더블 볼 베어링(110)의 윤활을 가능하게 하는 쪽의 제1경사부(11)는 그 반대쪽 방향으로 흘러 스러스트 베어링(130)의 윤활을 가능하게 하는 쪽의 제2경사부(12) 보다 그 경사 폭이 큰 바, 이는 상기 제1경사부(11)를 통해 더블 볼 베어링(110) 방향으로 공급되는 오일의 양이 많도록 하기 위함이다.At this time, after the oil is scattered, the first inclined portion 11 on the side which is supplied along the oil flow space (a gap formed between the parts) to enable lubrication of the double ball bearing 110 flows in the opposite direction. The inclination width is larger than that of the second inclined portion 12 on the side that enables lubrication of the thrust bearing 130, which is oil supplied to the double ball bearing 110 through the first inclined portion 11. This is to increase the amount of.

즉, 베어링 중, 사이즈가 큰 더블 볼 베어링(110)으로 오일의 공급이 많도록 하여 상기 더블 볼 베어링(110)의 윤활을 원활하게 할 수 있도록 하기 위함인 것이다.That is, in order to enable the lubrication of the double ball bearing 110 to be smooth by increasing the supply of oil to the double ball bearing 110 having a large size.

이때, 상기 제1경사부(11)의 폭은 2.5 ~ 3.4mm이고, 제2경사부(12)의 폭은 0.5 ~ 1.5mm로서, 약 2배 내지 5배의 오일량이 일정한 시간 동안 상기 더블 볼 베어링(110) 방향으로 공급될 수 있도록 되어 있다.At this time, the width of the first inclined portion 11 is 2.5 ~ 3.4mm, the width of the second inclined portion 12 is 0.5 ~ 1.5mm, the oil amount of about 2 to 5 times the double ball for a certain time It can be supplied in the direction of the bearing (110).

따라서, 본 발명은 하이브리드 차량의 변속기 내에서, 오일공급홀(300) 없이 변속기 내에 형성된 빈 공간을 통해 오일 공급 유로(200)를 통해 공급되는 오일을 비산시켜 베어링 등과 같은 윤활이 필요한 부품을 쉽게 윤활시킬 수 있도록 하는 하이브리드 차량용 변속기의 베어링 윤활유공급장치이다. Therefore, the present invention easily lubricates components requiring lubrication such as bearings by scattering oil supplied through the oil supply passage 200 through empty spaces formed in the transmission without the oil supply hole 300 in the transmission of the hybrid vehicle. It is a bearing lubricating oil supply device of a transmission for a hybrid vehicle.

이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 않으며, 특허청구범위에서 청구된 본 발명의 요지를 벗어남이 없이 당해 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.Although the above has been shown and described with respect to the preferred embodiments of the present invention, the present invention is not limited to the above-described embodiment, in the technical field to which the present invention pertains without departing from the spirit of the invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such changes will fall within the scope of the claims set forth.

도 1은 본 발명에 따른 하이브리드 차량용 변속기의 베어링 윤활유공급장치를 나타내는 단면도,1 is a cross-sectional view showing a bearing lubricant supply device of a transmission for a hybrid vehicle according to the present invention;

도 2는 본 발명에 따른 하이브리드 차량용 변속기의 베어링 윤활유공급장치의 오일 흐름상태를 나타내는 도면,2 is a view showing an oil flow state of a bearing lubricating oil supply device of a transmission for a hybrid vehicle according to the present invention;

도 3은 종래의 하이브리드 차량용 변속기의 베어링 윤활유공급장치를 나타내는 단면도이다. 3 is a cross-sectional view showing a bearing lubricating oil supply device of a conventional hybrid vehicle transmission.

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

10 : 오일비산부재 11 : 제1경사부10: oil scattering member 11: the first inclined portion

12 : 제2경사부12: second slope

Claims (3)

하이브리드 차량용 변속기 내에 구성되어 있는 모터의 로터 샤프트(100)와, 상기 로터 샤프트(100) 주위에 그 로터 샤프트(100)의 회전을 보조하는 더블 볼 베어링(110), 니들 롤러 베어링(120) 및 스러스트 베어링(130)이 장착되어지되, 상기 니들 롤러 베어링(120) 사이에 형성된 오일 공급 유로(200)를 통해 공급되는 오일이 양측으로 비산될 수 있도록 로터 샤프트(100)에 일체로 돌출 형성되는 동시에 일정한 각도로 경사진 오일비산부재(10)가 형성된 것을 특징으로 하는 하이브리드 차량용 변속기의 베어링 윤활유공급장치.Rotor shaft 100 of a motor configured in a transmission for a hybrid vehicle, double ball bearing 110, needle roller bearing 120 and thrust to assist rotation of the rotor shaft 100 around the rotor shaft 100 The bearing 130 is mounted, but is integrally projected to the rotor shaft 100 so that the oil supplied through the oil supply flow path 200 formed between the needle roller bearings 120 can be scattered to both sides, and at the same time, Bearing lubricating oil supply device for a transmission for a hybrid vehicle, characterized in that the oil scattering member 10 is inclined at an angle. 제1항에 있어서,The method of claim 1, 상기 오일비산부재(10)는 상기 오일 공급 유로(200) 방향으로 테이퍼 형상으로 돌출된 제1 및 제2경사부(11,12)를 갖도록 형성된 것을 특징으로 하는 하이브리드 차량용 변속기의 베어링 윤활유공급장치.The oil scattering member (10) is a bearing lubricant supply device for a transmission for a hybrid vehicle, characterized in that it is formed to have a first and second inclined portions (11, 12) protruding in a tapered shape toward the oil supply passage (200). 제2항에 있어서,The method of claim 2, 상기 제1경사부(11)는 사이즈가 큰 더블 볼 베어링(110)쪽으로의 오일 공급량이 많도록 상기 제2경사부(12) 보다 그 경사 폭이 큰 것을 특징으로 하는 하이브 리드 차량용 변속기의 베어링 윤활유공급장치.The first inclined portion 11 has a larger inclination width than the second inclined portion 12 so that the amount of oil supplied to the double ball bearing 110 is larger, the bearing lubricant of the hybrid vehicle transmission Feeder.
KR1020070119627A 2007-11-22 2007-11-22 Bearing Lubricant Supply Device of Transmission for Hybrid Vehicle Expired - Fee Related KR100908168B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10071623B2 (en) 2016-09-08 2018-09-11 Hyundai Motor Company Structure of power train for vehicle
CN113669434A (en) * 2020-05-14 2021-11-19 现代坦迪斯株式会社 Oil passage structure of drive system device for hybrid vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6890280B2 (en) * 2002-09-30 2005-05-10 Nissan Motor Co., Ltd. Lubricating device for automatic power transmission
JP2004162795A (en) 2002-11-13 2004-06-10 Toyota Motor Corp Lubrication structure of planetary gear unit
KR100608564B1 (en) * 2004-06-14 2006-08-03 현대자동차주식회사 Lubrication Structure of Manual Transmission
JP2006292053A (en) 2005-04-08 2006-10-26 Toyota Motor Corp Planetary gear set

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10071623B2 (en) 2016-09-08 2018-09-11 Hyundai Motor Company Structure of power train for vehicle
CN113669434A (en) * 2020-05-14 2021-11-19 现代坦迪斯株式会社 Oil passage structure of drive system device for hybrid vehicle
KR20210141874A (en) * 2020-05-14 2021-11-23 현대트랜시스 주식회사 Oil pass structure of power train apparatus for hybrid vehicle
US11493123B2 (en) 2020-05-14 2022-11-08 Hyundai Transys Incorporated Oil path structure for powertrain for hybrid vehicle
CN113669434B (en) * 2020-05-14 2024-06-07 现代坦迪斯株式会社 Oil channel structure of a drive system device for a hybrid vehicle

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