KR20030028048A - The structure of delivery of gears in gear-box - Google Patents

The structure of delivery of gears in gear-box Download PDF

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Publication number
KR20030028048A
KR20030028048A KR1020010059959A KR20010059959A KR20030028048A KR 20030028048 A KR20030028048 A KR 20030028048A KR 1020010059959 A KR1020010059959 A KR 1020010059959A KR 20010059959 A KR20010059959 A KR 20010059959A KR 20030028048 A KR20030028048 A KR 20030028048A
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South Korea
Prior art keywords
gear
input shaft
power transmission
gearbox
drive gear
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KR1020010059959A
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Korean (ko)
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최치만
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현대자동차주식회사
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Priority to KR1020010059959A priority Critical patent/KR20030028048A/en
Publication of KR20030028048A publication Critical patent/KR20030028048A/en

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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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00Special features of vehicle units
    • B60Y2400/70Gearings

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

Abstract

PURPOSE: Power transmission structure of a gearbox is provided to increase power transmission efficiency and prevent seizing, in gears rotated in the gearbox. CONSTITUTION: A driving gear(3) mounted on an input shaft engages with a driven gear(5) mounted on an output shaft in a gearbox and transmits power. Power transmission structure of the gearbox includes the driving gear revolvably mounted on the input shaft; an inner ring(10) formed on the circumference of the input shaft; and a medium of rotation mounted between the bore of the driving gear and the inner ring. The inner ring is pressed and fitted in the input shaft, as one body type. The medium of rotation is ball bearings(12a,12b,12c,12d) comprised of plural balls. Since the driving gear supports the axial force through the ball bearing by the shape of the bore and the inner ring, power transmission efficiency is increased and seizing is prevented.

Description

기어박스내의 기어의 동력전달구조{The structure of delivery of gears in gear-box}The structure of delivery of gears in gear-box

본 발명은 기어박스내의 기어의 동력전달구조에 관한 것으로서, 보다 상세하게는 기어박스내에서 회전되는 기어들의 동력전달 효율증대 및 소착방지를 위한 기어박스내의 기어의 동력전달구조에 관한 것이다.The present invention relates to a power transmission structure of a gear in a gearbox, and more particularly, to a power transmission structure of a gear in a gearbox for increasing power transmission efficiency and preventing seizure of gears rotated in the gearbox.

일반적으로 기어박스내에는 복수의 기어들이 서로 맞물려 회전되어 동력이 전달되도록 구성되어 있다.In general, a plurality of gears are engaged with each other in a gearbox to rotate to transmit power.

도 1은 종래 기술에 따른 기어박스내의 기어의 동력전달구조가 도시된 단면도로서, 엔진(미도시)으로부터 동력이 전달되는 입력축(X-X')상에 허브기어(1)가 고정되어 일체로 회전된다.1 is a cross-sectional view illustrating a power transmission structure of a gear in a gearbox according to the prior art, in which a hub gear 1 is fixed to an input shaft X-X 'through which power is transmitted from an engine (not shown). Is rotated.

입력축(X-X')상에 구동기어(3)가 공전되게 장착되고, 출력축(Y-Y')상에 종동기어(5)가 고정되어 일체로 회전되고, 상기 구동기어(3)와는 헬리컬기어로서 상시 치합되어 있다.The drive gear 3 is revolvingly mounted on the input shaft X-X ', and the driven gear 5 is fixedly rotated on the output shaft Y-Y' and integrally rotated, and is helical with the drive gear 3. It is always engaged as a gear.

그리고, 상기 허브기어(1)의 외측 상단에는 좌우 슬라이딩가능하고 상기 허브기어(1)와 동회전되도록 슬리이브(7)가 장착된다.In addition, the sleeve 7 is mounted on the outer upper end of the hub gear 1 so as to be slid left and right and co-rotate with the hub gear 1.

또한, 상기 허브기어(1)와 상기 구동기어(3) 사이에 도그기어(9)가 장착되어 상기 구동기어(3)와 일체로 회전된다.In addition, a dog gear 9 is mounted between the hub gear 1 and the drive gear 3 to rotate integrally with the drive gear 3.

상기와 같이 구성된 기어박스내의 기어의 동력전달구조는 엔진이 작동함에 따라 입력축(X-X')에 전달된 동력에 의해 상기 허브기어(1)가 회전된다.In the power transmission structure of the gear in the gearbox configured as described above, the hub gear 1 is rotated by the power transmitted to the input shaft X-X 'as the engine operates.

변속시 시프트레버(미도시)에 의해 상기 슬리이브(7)가 좌우로 이동되고 이에 따라 상기 도그기어(9)가 좌우로 이동되어 상기 구동기어(3)가 상기 허브기어(1)와 입력축상에서 동회전하게 된다.When shifting, the sleeve 7 is moved left and right by a shift lever (not shown) and thus the dog gear 9 is moved left and right so that the drive gear 3 is moved on the input shaft with the hub gear 1. It will be co-rotated.

그리고 상기 구동기어(3)에 맞물려 있는 상기 종동기어(5)가 회전되어 출력축(Y-Y')에 동력을 전달하게 된다.The driven gear 5 engaged with the drive gear 3 is rotated to transmit power to the output shaft Y-Y '.

도 2는 종래 기술에 따른 기어박스내의 기어에 미치는 하중이 도시된 상태도로서, 상기 구동기어(3)와 상기 종동기어(5)는 좌 또는 우 비틀림각기어로 상시 치합되어 있어서 비틀림각의 방향에 따라 축방향으로 밀리는 축력(A,B)을 받게 된다.Figure 2 is a state diagram showing the load on the gears in the gearbox according to the prior art, the drive gear (3) and the driven gear (5) is always engaged with the left or right torsional angle gears in accordance with the direction of the torsion angle Axial forces A and B are pushed in the axial direction.

즉, 상기 구동기어(3)가 우비틀림각 기어이면 축력A가 발생되고, 좌비틀림각 기어이면 축력B가 발생된다.That is, if the drive gear 3 is a right twist angle gear, an axial force A is generated, and if a left twist angle gear, an axial force B is generated.

그러나, 상기와 같이 구성된 종래의 기어박스내의 기어의 동력전달구조는 상기 구동기어가 비틀림각에 따라 인접한 기어와 밀착되어 상대 마찰하면서 회전되거나, 반대쪽에 인접한 상기 허브기어와 밀착되어 상대 마찰하면서 회전된다.However, the power transmission structure of the gear in the conventional gearbox configured as described above is rotated while the drive gear is in close contact with the adjacent gears according to the torsional angle and in relative friction, or in close contact with the hub gear adjacent to the opposite side. .

이때, 기어박스내의 오일윤활이 원활치 못하거나, 축력A 및 축력B가 과도하게 걸리면 상대 마찰면에 열이 발생하여 긁힘이 발생하거나 심하면 소착을 일으키게되어 기어박스는 동력전달의 기능이 저하되거나 불가능하게 되는 문제점이 있다.At this time, if the oil lubrication in the gearbox is not smooth or the axial force A and the axial force B are excessively applied, heat is generated on the relative friction surface, which causes scratches or sintering. There is a problem.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 기어박스내에서 회전되는 기어들의 동력전달 효율증대 및 소착방지를 위한 기어박스내의 기어의 동력전달구조를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide a power transmission structure of the gear in the gearbox for increasing the power transmission efficiency of the gears rotated in the gearbox and preventing seizure.

도 1은 종래 기술에 따른 기어박스내의 기어의 동력전달구조가 도시된 단면도.1 is a cross-sectional view showing a power transmission structure of a gear in a gearbox according to the prior art.

도 2는 종래 기술에 따른 기어박스내의 기어에 미치는 하중이 도시된 상태도.Figure 2 is a state diagram showing the load on the gears in the gearbox according to the prior art.

도 3은 본 발명에 따른 기어박스내의 기어의 동력전달구조가 도시된 단면도.3 is a cross-sectional view showing a power transmission structure of a gear in a gearbox according to the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

1 : 허브기어 3 : 구동기어1: hub gear 3: drive gear

5 : 종동기어 7 : 슬리이브5: driven gear 7: sleeve

9 : 도그기어 10 : 내륜9: dog gear 10: inner ring

12a,12b,12c,12d : 보올베어링12a, 12b, 12c, 12d: Ball bearing

상기한 과제를 실현하기 위한 본 발명에 따른 기어박스내의 기어의 동력전달구조는 기어박스내에 출력축상에 장착된 종동기어와 맞물려 동력을 전달하기 위해 입력축상에 장착된 구동기어에 있어서, 입력축상에 공전되게 장착된 구동기어와; 상기 구동기어의 내경의 양측에 위치하고, 입력축의 원주상에 형성된 내륜과; 상기 구동기어의 내경과 상기 내륜 사이에 장착된 회전매개수단을 포함하여 이루어진다.A power transmission structure of a gear in a gearbox according to the present invention for realizing the above object is a drive gear mounted on an input shaft for transmitting power by engaging a driven gear mounted on an output shaft in the gearbox, A revolving drive gear; Inner rings located on both sides of the inner diameter of the drive gear and formed on the circumference of the input shaft; It comprises a rotation mediating means mounted between the inner diameter of the drive gear and the inner ring.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예들을 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 기어박스내의 기어의 동력전달구조가 도시된 단면도이다.3 is a cross-sectional view showing a power transmission structure of a gear in a gearbox according to the present invention.

도 3에 도시된 바와 같이, 본 발명의 기어박스내의 기어의 동력전달구조는 엔진(미도시)으로부터 동력이 전달되는 입력축(X-X')상에 허브기어(1)가 고정되어 일체로 회전된다.As shown in Figure 3, the power transmission structure of the gear in the gearbox of the present invention is the hub gear (1) is fixed on the input shaft (X-X ') to which power is transmitted from the engine (not shown) is rotated integrally do.

입력축(X-X')상에 구동기어(3)가 공전되게 장착되고, 출력축(Y-Y')상에 종동기어(5)가 고정되어 일체로 회전되고, 상기 구동기어(3)와는 헬리컬기어로서 상시 치합되어 있다.The drive gear 3 is revolvingly mounted on the input shaft X-X ', and the driven gear 5 is fixedly rotated on the output shaft Y-Y' and integrally rotated, and is helical with the drive gear 3. It is always engaged as a gear.

상기 구동기어(3)의 내경의 양측에 위치하고 입력축(x-x')의 원주상에 압입되어 일체로 형성된 내륜(10)이 구비되고, 상기 구동기어(3)의 내경과 상기 내륜(10) 사이에 회전매개수단(12)이 구비된다.Inner rings 10 are formed on both sides of the inner diameter of the drive gear 3 and are integrally formed by being press-fitted on the circumference of the input shaft x-x '. The inner diameter of the drive gear 3 and the inner ring 10 are provided. Rotation mediation means 12 is provided between.

상기 회전매개수단(12)은 상기 내륜(10)과 상기 구동기어(3) 사이에서 원주를 따라 다수의 보올로 이루어진 보올베어링(12a, 12b, 12c, 12d)으로 이루어진다.The rotation mediating means 12 is comprised of the ball bearings 12a, 12b, 12c, and 12d formed of a plurality of balls along the circumference between the inner ring 10 and the drive gear 3.

그리고, 상기 허브기어(1)의 외측 상단에는 좌우 슬라이딩가능하고 상기 허브기어(1)와 동회전되도록 슬리이브(7)가 장착된다.In addition, the sleeve 7 is mounted on the outer upper end of the hub gear 1 so as to be slid left and right and co-rotate with the hub gear 1.

또한, 상기 허브기어(1)와 상기 구동기어(3) 사이에 도그기어(9)가 장착되어 상기 구동기어(3)와 일체로 회전된다.In addition, a dog gear 9 is mounted between the hub gear 1 and the drive gear 3 to rotate integrally with the drive gear 3.

상기와 같이 구성되는 본 발명에 따른 기어박스내의 기어의 동력전달구조의 작용을 설명하면 다음과 같다.Referring to the operation of the power transmission structure of the gear in the gearbox according to the present invention configured as described above are as follows.

엔진이 작동함에 따라 입력축(X-X')에 전달된 동력에 의해 상기 허브기어(1)가 회전된다.As the engine operates, the hub gear 1 is rotated by the power transmitted to the input shaft X-X '.

변속시 시프트레버(미도시)에 의해 상기 슬리이브(7)가 좌우로 이동되고 이에 따라 상기 도그기어(9)가 좌우로 이동되어 상기 구동기어(3)가 상기 허브기어(1)와 입력축상에서 동회전하게 된다.When shifting, the sleeve 7 is moved left and right by a shift lever (not shown) and thus the dog gear 9 is moved left and right so that the drive gear 3 is moved on the input shaft with the hub gear 1. It will be co-rotated.

그리고 상기 구동기어(3)에 맞물려 있는 상기 종동기어(5)가 회전되어 출력축(Y-Y')에 동력을 전달하게 된다.The driven gear 5 engaged with the drive gear 3 is rotated to transmit power to the output shaft Y-Y '.

이때, 상기 보올베어링(12a, 12b, 12c, 12d)은 상기 내륜(10)과 상기 구동기어(3)의 내경 사이에서 구름회전하게 되어 상기 구동기어(3)는 내경부의 형상과 상기 내륜(10)에 의해서 상기 보올베어링(12a, 12b, 12c, 12d)을 매개체로 하여 축력(A,B)을 지지하게 된다.At this time, the ball bearing 12a, 12b, 12c, 12d is rolling between the inner ring 10 and the inner diameter of the drive gear (3) so that the drive gear (3) is the shape of the inner diameter and the inner ring ( 10) the axial force (A, B) is supported via the bowl bearing (12a, 12b, 12c, 12d) as a medium.

따라서, 상기 구동기어(3)와 입력축(x-x'), 상기 구동기어(3)와 상기 허브기어(1)에는 틈새가 있어서 상대 마찰면이 발생하지 않게 되므로 긁힘이나 소착을 근본적으로 예방할 수 있게 된다.Therefore, there is a gap between the drive gear 3 and the input shaft (x-x '), the drive gear 3 and the hub gear 1, so that a relative friction surface does not occur, so that scratches and seizure can be fundamentally prevented. Will be.

이상과 같이 본 발명에 따른 기어박스내의 기어의 동력전달구조를 예시된 도면을 참조로 설명하였으나, 본 명세서에 개시된 실시예와 도면에 의해 본 발명은 한정되지 않으며 그 발명의 기술사상 범위내에서 당업자에 의해 다양한 변형이 이루어질 수 있음은 물론이다.Although the power transmission structure of the gear in the gearbox according to the present invention as described above with reference to the illustrated drawings, the present invention is not limited by the embodiments and drawings disclosed herein and those skilled in the art within the scope of the invention Of course, various modifications may be made.

상기한 바와 같은 본 발명의 기어박스내의 기어의 동력전달구조는 상기 구동기어가 내경부의 형상과 상기 내륜에 의해서 상기 보올베어링을 매개체로 하여 축력을 지지하게 되기 때문에, 기어박스내에서 회전되는 기어들의 동력전달 효율증대 및 소착방지를 위한 장점이 있다.The power transmission structure of the gear in the gearbox of the present invention as described above is a gear that is rotated in the gearbox because the drive gear supports the axial force by the shape of the inner diameter portion and the inner ring via the bowl bearing as a medium. There are advantages for increasing their power transmission efficiency and preventing seizure.

Claims (3)

기어박스내에 출력축상에 장착된 종동기어와 맞물려 동력을 전달하기 위해 입력축상에 장착된 구동기어에 있어서, 입력축상에 공전되게 장착된 구동기어와; 상기 구동기어의 내경의 양측에 위치하고, 입력축의 원주상에 형성된 내륜과; 상기 구동기어의 내경과 상기 내륜 사이에 장착된 회전매개수단을 포함하여 이루어진 것을 특징으로 하는 기어박스내의 기어의 동력전달구조.A drive gear mounted on an input shaft for engaging with a driven gear mounted on an output shaft in a gearbox, the drive gear mounted on the input shaft, the drive gear being revolving on the input shaft; Inner rings located on both sides of the inner diameter of the drive gear and formed on the circumference of the input shaft; And a rotation mediating means mounted between the inner diameter of the drive gear and the inner ring. 제 1항 있어서,The method of claim 1, 상기 내륜은 입력축에 압입되어 일체형으로 형성된 것을 특징으로 하는 기어박스내의 기어의 동력전달구조.The inner ring is a power transmission structure of the gear in the gear box, characterized in that formed integrally by pressing the input shaft. 제 1항에 있어서,The method of claim 1, 상기 회전매개수단은 상기 내륜과 상기 구동기어 사이에서 원주를 따라 다수의 보올로 이루어진 보올베어링인 것을 특징으로 하는 기어박스내의 기어의 동력전달구조.The rotation medium means is a power transmission structure of the gear in the gear box, characterized in that the ball bearing consisting of a plurality of bowls along the circumference between the inner ring and the drive gear.
KR1020010059959A 2001-09-27 2001-09-27 The structure of delivery of gears in gear-box KR20030028048A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619775B1 (en) * 2005-02-15 2006-09-11 엘지전자 주식회사 Multi-air conditioner capable of cooling and heating simultaneously

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619775B1 (en) * 2005-02-15 2006-09-11 엘지전자 주식회사 Multi-air conditioner capable of cooling and heating simultaneously

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