KR970000910Y1 - Sub-transmission - Google Patents
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- KR970000910Y1 KR970000910Y1 KR2019940038372U KR19940038372U KR970000910Y1 KR 970000910 Y1 KR970000910 Y1 KR 970000910Y1 KR 2019940038372 U KR2019940038372 U KR 2019940038372U KR 19940038372 U KR19940038372 U KR 19940038372U KR 970000910 Y1 KR970000910 Y1 KR 970000910Y1
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- gear
- wheel drive
- wheel
- drive shaft
- shaft
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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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
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Description
제1도는 종래기술의 구성을 보인 단면도.1 is a cross-sectional view showing the configuration of the prior art.
제2도는 본 고안의 구성을 보인 단면도.2 is a cross-sectional view showing the configuration of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
21 : 출력축 22 : 구동기어21: output shaft 22: drive gear
23 : 하이, 로우 슬리브 24 : 후륜구동축23: high and low sleeve 24: rear wheel drive shaft
25 : 출력기어 27 : 아이들기어25: output gear 27: idle gear
28 : 전륜구동축 29 : 4륜기어28: front wheel drive shaft 29: four wheel gear
30 : 4륜구동 슬리브 31 : 싱크로장치30: four-wheel drive sleeve 31: synchro device
본 고안은 자동차용 부변속기의 동력전달 장치에 관한 것으로서, 특히 구조를 간단히 함과 동시에 소음을 저감할 수 있는 자동차용 부변속기의 동력전달 장치에 관한 것이다.The present invention relates to a power transmission device for an auxiliary transmission for an automobile, and more particularly, to a power transmission device for an automotive auxiliary transmission capable of reducing noise while simplifying a structure.
통상적으로 자동차용 부변속기는 4륜 구동차량에 있어서 2륜 및 4륜구동을 선택하는 것으로서, 종래의 부변속기는 제1도에 도시한 바와 같이 변속기의 출력축(1)에 스플라인 결합되어 직접 동력을 전달받는 구동기어(2)와, 고속 및 저속을 선택하는 하이, 로우 슬리브(3)와, 후륜으로 동력을 전달하는 후륜구동축(4)과, 후륜구동축(4)에 스를라인 결합되어 있는 출력기어(5)와, 아이들축(6)상에 베어링(6a)(6b) 및 스페이서(6c)로 지지되어 각각 상기 구동기어(1) 및 출력기어(5)에 치합 회전하는 대(大)기어(7a) 및 소(小)기어(7b)를 구비하여 사륜구동기어비를 결정하는 아이들기어(7)와, 전륜으로 동력을 전달하는 전륜구동축(8)과, 전륜구동축(8)상에 각각 베어링(9a)(10a) 결합되고 상기 아이들기어(7)에 각각 치합하는 하이기어(9)와 로우기어(10), 전륜구동축(8)과 하이기어(9) 또는 로우기어(10)중 선택된 기어를 연결하여 2륜구동 및 4륜구동을 선택하는 4륜구동슬리브(11)가 구비되어 있다.Typically, an auxiliary transmission for a vehicle selects two- and four-wheel drive in a four-wheel drive vehicle, and the conventional auxiliary transmission transmits power directly by being splined to the output shaft 1 of the transmission as shown in FIG. An output gear that is line-coupled to a receiving drive gear 2, a high and low sleeve 3 for selecting a high speed and a low speed, a rear wheel drive shaft 4 for transmitting power to the rear wheels, and a rear wheel drive shaft 4; (5) and a large gear supported by bearings 6a, 6b and spacers 6c on idle shaft 6 and engaged with the drive gear 1 and output gear 5, respectively. 7a) and a small gear 7b, each of which comprises an idle gear 7 for determining a four-wheel drive gear ratio, a front wheel drive shaft 8 for transmitting power to the front wheels, and a bearing on the front wheel drive shaft 8, respectively. 9a) and 10a coupled to the idle gear 7 and the high gear 9 and the low gear 10, the front wheel drive shaft 8 and the high gear respectively. The control (9) or the four-wheel-drive sleeve 11 to select a two-wheel drive and four-wheel drive to connect the selected gear of the low-gear 10 is provided.
이러한 종래 기술은 4×2H 구동시에는 하이, 로우 슬리브(3)가 구동기어(1)와 후륜구동축(4)의 출력기어(6)를 연결하여 구동기어(1)의 동력이 후륜측으로 직결되어 이루어진다.In this prior art, when driving 4 × 2H, the high and low sleeves 3 connect the drive gear 1 and the output gear 6 of the rear wheel drive shaft 4 so that the power of the drive gear 1 is directly connected to the rear wheel side. Is done.
그리고 4×4H 구동시에는 하이, 로우 슬리브(3)가 구동기어(1)와 후륜구동축(4)을 연결하여 구동기어(1)의 동력이 후륜측으로 연결됨과 동시에 4륜구동슬리브(11)가 하이기어(9)와 전륜구동축(8)을 연결하여 구동기어(1)의 동력이 아이들기어(7) 및 하이기어(9)를 통해 전륜구동축(8)을 연결하여 구동기어(1)의 동력이 아이들기어(7) 및 하이기어(9)를 통해 전륜구동축(8)을 낮은 감속비로 회전시켜 이루게 된다.In the case of 4 × 4H driving, the high and low sleeves 3 connect the drive gear 1 and the rear wheel drive shaft 4 so that the power of the drive gear 1 is connected to the rear wheel side and the four wheel drive sleeve 11 is high. The power of the drive gear 1 is connected by connecting the gear 9 and the front wheel drive shaft 8, and the power of the drive gear 1 is connected by connecting the front wheel drive shaft 8 through the idle gear 7 and the high gear 9. The front wheel drive shaft 8 is rotated at a low reduction ratio through the idle gear 7 and the high gear 9.
한편 4×4L 구동시에는 역시 하이, 로우 슬리브(3)가 구동기어(1)와 후륜구동축(4)을 연결하여 구동기어(1)의 동력이 후륜측으로 연결되어 있는 상태에서 4륜구동슬리브(11)가 로우기어(10)와 전륜구동축을 연결하여 구동기어(1)의 동력아이들기어(7) 및 로우기어(10)를 통해 전륜구동축(4)을 비교적 큰 감속비로 회전시켜 이루게된다.On the other hand, in the case of 4 × 4L driving, the high and low sleeves 3 connect the drive gear 1 and the rear wheel drive shaft 4 so that the power of the drive gear 1 is connected to the rear wheel side. Is connected to the low gear 10 and the front wheel drive shaft to rotate the front wheel drive shaft 4 at a relatively large reduction ratio through the power idle gear 7 and the low gear 10 of the drive gear 1.
그러나 이와 같은 구성 및 작용을 갖는 종래 기술은 다수의 기어로써 구성되어 있어 조립성이 떨어지고 있었다. 즉 구동기어(1) 및 출력기어(6), 아이들기어(7), 하이기어(9)와 로우기어(10)의 5종의 기어를 구비하여야 하므로 조립에 어려움이 있었으며 이는 제조원가의 상승요인으로 작용하고 있었다.However, the prior art having such a configuration and action has been composed of a plurality of gears and the assembly is inferior. In other words, it is difficult to assemble because five gears of driving gear (1), output gear (6), idle gear (7), high gear (9) and low gear (10) must be provided. It was working.
그리고 상기와 같이 5종의 기어가 항시 치합하여 회전을 이루고 있으므로 작동시 치음(齒音)으로 인한 부변속기내의 소음이 크게 되는 문제 또한 갖고 있었다.In addition, as described above, since the five gears are always engaged with each other to achieve rotation, noise in the sub-transmission due to tooth decay during operation also increases.
특히 종래 기술은 4균구동시 4륜구동슬리브(11)를 하이기어(9) 또는 로우기어(10)중 선택된 기어에 치합하여야 하는데, 이때 차량이 고속 주행중인 상태에서 4륜변속을 실시하게 되면 정지상태인 4륜구동슬리브(11)와 회전중인 하이기어 또는 로우기어가 상호 충돌하게 되므로 차량의 속도를 줄여 서행하는 상태 또는 정지시킨 후에 4륜변속을 실시하여야 하므로 4륜구동으로의 변환이 매우 번거로운 문제를 갖고 있었다.In particular, the prior art requires that the four-wheel drive sleeve 11 is engaged with the gear selected from the high gear 9 or the low gear 10 during four-drive driving, and when the four-wheel shift is performed while the vehicle is driving at high speed, Since the state of the four-wheel drive sleeve 11 and the rotating high gear or low gear collide with each other, it is necessary to reduce the speed of the vehicle so that the four-wheel shift should be performed after stopping or stopping. Had.
이에 본 고안은 상기와 같은 제반 문제를 감안하여 안출된 것으로서, 그 목적은 구조를 간단히하여 조립성을 향상시킴과 동시에 소음을 감소시킬 수 있고, 고속주행시 4륜구동으로 변환을 이룰 수 있는 자동차용 부변속기의 동력전달 장치를 제공함에 있다.The present invention has been devised in view of the above-mentioned problems, and its purpose is to simplify the structure, improve assembly and at the same time reduce noise, and convert the vehicle into a four-wheel drive in high-speed driving. It is to provide a power transmission device of the transmission.
이러한 본 고안의 목적은 변속기의 출력축에 베어링 결합되는 구동기어와, 고속 및 저속을 선택하는 하이, 로우 슬리브와, 후륜으로 동력을 전달하며 출력기어가 일체로 형성되는 후륜구동축과, 각각 상기 구동기어 및 출력기어에 치합 회전하는 대(大)기어 및 소(小)기어가 형성되는 아이들기어와, 전륜으로 동력을 전달하며 축상에 기어가 일체로 구성되는 전륜구동축과, 전륜구동축에서 베어링지지되고 상기 아이들기어의 소기어에 치합하며 일측에 전달기어가 일체로 형성되어 있는 4륜기어와, 전륜구동축과 4륜기어를 선택적으로 연결하여 2륜구동 및 4륜구동을 선택하는 4륜구동슬리브와, 상기 기어와 전달기어를 동기 연결시키는 싱크로나이저링을 포함하는 통상의 싱크로장치를 구비하여 달성될 수 있다.The object of the present invention is a drive gear bearing coupled to the output shaft of the transmission, a high and low sleeve for selecting high speed and low speed, and a rear wheel drive shaft which transmits power to the rear wheel and is integrally formed with the output gear, respectively. And an idler gear in which a large gear and a small gear are meshed with the output gear, a front wheel drive shaft which transmits power to the front wheels, and a gear is integrally formed on the shaft, and is supported and supported by the front wheel drive shaft. A four-wheel gear that meshes with the small gear of the idle gear and integrally forms a transmission gear on one side, a four-wheel drive sleeve for selectively connecting two-wheel drive and four-wheel drive by selectively connecting the front-wheel drive shaft and the four-wheel gear; This can be achieved with a conventional synchro device comprising a synchronizer to synchronously connect the transfer gears.
즉, 하이, 로우 슬리브가 구동기어를 통하지 않고 출력축과 후륜구동축을 연결가능하게 하고, 전륜구도축상에 선택적으로 연결되며 아이들기어의 소기어에 치합되는 4륜기어를 구성하여 기어수를 줄여 구조를 간단히하고, 기어들의 항시 치합부 또는 감소시켜 소음을 감소시킬 수 있게 되고, 4륜기어와 전륜구동축 가이에 싱크로장치를 제공하여 고속주행시 4륜변환을 시도할 경우 4륜기어와 전륜구동축을 동기시킨후에 4륜기어와 전륜구동축을 치합토록하므로써 고속주행시 4륜변환을 이루게 되는 것이다.That is, the high and low sleeves enable the output shaft and rear wheel drive shaft to be connected without going through the drive gear, and are selectively connected on the front wheel shaft to form a four-wheel gear that meshes with the small gear of the idle gear to reduce the number of gears. It is possible to reduce the noise by simply engaging or reducing the gears at all times, and providing a synchro to the four-wheel gear and the front-wheel drive guy to synchronize the four-wheel gear and the front-wheel drive shaft when attempting four-wheel conversion during high-speed driving. Later, the four-wheel gear and the front-wheel drive shaft are engaged to achieve four-wheel conversion during high speed driving.
이하 본 고안의 바람직한 실시예를 첨부 도면에 의거하여 좀 더 구체적으로 설명하면 다음과 같다. 제2도에는 본 고안의 구성이 도시되어 있는데, 이에 따르면 본 고안은 변속기의 출력축기어(21)에 베어링 결합되는 구동기어(22)와, 고속 및 저속을 선택하는 하이, 로우슬리브(23)와, 후륜으로 동력을 전달하며 출력기어(25)가 일체로 형성되는 후륜구동축(24)과, 아이들축(26)상에 베어링(26a)(26b) 및 스페이서(26c)로 지지되어 각각 상기 구동기어(22) 및 출력기어(25)에 치합 회전하는 대(大)기어(27a) 및 소(小)기어(27b)를 구비하여 4륜구동기어비를 결정하는 아이들기어(27)와, 전륜으로 동력을 전달하며 축상에 기어(28a)가 일체로 구성되는 전륜구동축(28)과, 전륜구동축(28)상에 베어링지지되고 상기 아이들기어(27)의 소기어(27b)에 치합하며 일측에 전달기어(29a)가 일체로 형성되어 있는 4륜기어(29)와, 전륜구동축(28)과 4륜기어(29)를 선택적으로 연결하여 2륜구동 및 4륜구동을 선택하는 4륜구동슬리브(30)가 구비되어 있다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Figure 2 shows the configuration of the present invention, according to the present invention is a drive gear 22 bearing coupled to the output shaft gear 21 of the transmission, and high, low sleeve 23 for selecting the high speed and low speed and , The drive gears are transmitted to the rear wheels and are supported by the bearings 26a, 26b and the spacers 26c on the rear wheel drive shaft 24 and the idler shaft 26 on which the output gear 25 is integrally formed. (22) and the output gear 25 are provided with a large gear 27a and a small gear 27b which are engaged with and rotated, and an idle gear 27 for determining a four-wheel drive gear ratio, and power is applied to the front wheels. And a front wheel drive shaft 28 having a gear 28a integrally formed on the shaft and bearings supported on the front wheel drive shaft 28 and engaged with the small gear 27b of the idle gear 27 and transmitting gears on one side thereof. Four-wheel gear 29, in which 29a) is integrally formed, and front-wheel drive shaft 28 and four-wheel gear 29 are selectively connected to each other to drive two-wheel drive and Four-wheel drive sleeve 30 for selecting the four-wheel drive is provided.
그리고 상기 전륜구동축(28)상에 일체로 구성된 기어(28a)와 4륜구동슬리브(30)상에는 싱크로나이저링(31a)을 포함하는 싱크로장치(31)가 제공되어 있다.In addition, a synchronizer 31 including a synchronizer ring 31a is provided on the front wheel drive shaft 28 and the gear 28a integrally formed on the four-wheel drive sleeve 30.
이와 같은 구성을 갖는 본 고안은 4×2H 구동시에는 하이, 로우 슬리브(23)가 구동기어(22)와 후륜구동축(24)의 출력기어(26)를 연결하여 후륜구동축(24)을 회전시켜 구동기어(22)의 동력이 후륜측으로 직결되어 이루어진다.According to the present invention having the above configuration, the high and low sleeves 23 connect the drive gears 22 and the output gears 26 of the rear wheel drive shaft 24 to rotate the rear wheel shaft 24 when driving the 4 × 2H. The power of the drive gear 22 is directly connected to the rear wheel side.
그리고 4×2H 구동시에는 하이, 로우 슬리브(23)가 구동기어(22)와 후륜구동축(24)을 연결하여 구동기어(22)의 동력이 후륜측으로 연결됨과 동시에 4륜구동슬리브(30)가 도면상 좌측으로 이동하여 전달기어(29a)와 전륜구동축(28)상의 기어(28a)를 연결하여 구동기어(22)의 동력이 출력기어(25)와 아이들기어(27)의 소기어(27b) 및 4륜기어(29)의 전달기어(29a)를 통해 전달되어 전륜구동축(28)을 낮은 감속비로 회전시켜 이루게된다.In the case of 4 × 2H driving, the high and low sleeves 23 connect the drive gear 22 and the rear wheel drive shaft 24 so that the power of the drive gear 22 is connected to the rear wheel side and the four wheel drive sleeve 30 is also shown in the drawing. Moving to the upper left to connect the transmission gear 29a and the gear 28a on the front wheel drive shaft 28, the power of the drive gear 22 is transmitted to the small gear 27b of the output gear 25 and the idle gear 27 and It is transmitted through the transmission gear 29a of the four-wheel gear 29 is achieved by rotating the front wheel drive shaft 28 at a low reduction ratio.
한편 4×4L 구동시에는 하이, 로우 슬리브(23)가 도면상 좌측으로 이동되어 구동기어(22)와 후륜구동축(24)을 분리시켜 구동기어(22)의 동력이 아이들기어(27)를 통해 출력기어(25)로 전달되어 후륜구동축(24)을 회전시킴과 동시에 4륜구동슬리브(30)가 도면상 좌측으로 이동하여 전달기어(29a)와 전륜구동축(28)상의 기어(28a)를 연결하여 구동기어(22)의 동력이 출력기어(25)와 아이들기어(27)의 소기어(27b) 및 4륜기어(29)의 전달기어(29a)를 통해 전달되어 전륜구동축(28)을 큰 감속비로 회전시켜 이루게된다.On the other hand, when driving 4 × 4L, the high and low sleeves 23 are moved to the left in the drawing to separate the drive gear 22 and the rear wheel drive shaft 24 so that the power of the drive gear 22 is transferred through the idle gear 27. It is transmitted to the output gear 25 to rotate the rear wheel drive shaft 24 and at the same time the four-wheel drive sleeve 30 is moved to the left in the drawing to connect the transmission gear 29a and the gear 28a on the front wheel drive shaft 28 The power of the drive gear 22 is transmitted through the output gear 25, the small gear 27b of the idle gear 27, and the transmission gear 29a of the four-wheel gear 29 to make the front wheel drive shaft 28 large. By rotating it.
그리고 상기 4륜구동시에는 4륜구동슬리브(30)의 이동에 따라 싱크로나이저링(31a)이 전륜구동축(28)의 기어(28a)의 측단에 일차가압되어 전륜구동축의 속도가 4륜구동슬리브(30)의 속도에 부합되는 시점에서 비로소 치합이 이루어지게 되므로 저속은 물론 고속 주행시에도 4륜구동으로의 변환을 이룰 수 있게 될 것이다.In the four-wheel drive, the synchronizer ring 31a is primarily pressed on the side end of the gear 28a of the front wheel drive shaft 28 as the four-wheel drive sleeve 30 moves, so that the speed of the front wheel drive shaft is increased by the four-wheel drive sleeve 30. Only when the speed meets the speed of the match will be achieved in the low-speed as well as high-speed driving will be able to achieve a conversion to four-wheel drive.
상술한 바와 같이 본 고안에 따른 자동차용 부변속기의 동력전달장치는 하이, 로우 슬리브가 구동기어를 통하지 않고 출력축과 후륜구동축을 연결가능하게 하고, 전륜구동축상에 선택적으로 연결되며 아이들기어의 소기어에 치합되는 4륜기어를 구성하여 기어수가 감소되므로 구조를 간단히할 수 있게 되고, 기어들의 항시 치합부 또한 감소시켜 소음을 감소시킬 수 있을뿐만 아니라, 특히 4륜기어와 전륜구동축 사이에 싱크로장치를 제공하여 고속주행시 4륜 구동변환시 4륜기어와 전륜구동축을 동시시킨 후에 4륜기어와 전륜구동축을 치합토록하므로써 고속주행시 4륜변환을 이룰 수 있는 효과를 갖게 되는 것이다.As described above, the power transmission device for an auxiliary transmission for a vehicle according to the present invention has a high and low sleeve, which enables the output shaft and the rear wheel drive shaft to be connected to each other without passing through the drive gear, and is selectively connected to the front wheel drive shaft, and is a small gear of the idle gear It is possible to simplify the structure by reducing the number of gears by constructing a four-wheel gear that is meshed with the gear, and to reduce noise by also reducing the engagement of the gears at all times, and in particular, a synchro device between the four-wheel gear By providing the four-wheel gear and the front wheel drive shaft at the same time during the four-wheel drive conversion at high speed driving, the four-wheel gear and the front wheel drive shaft are engaged to achieve the effect of achieving four-wheel conversion at high speed driving.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940038372U KR970000910Y1 (en) | 1994-12-30 | 1994-12-30 | Sub-transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940038372U KR970000910Y1 (en) | 1994-12-30 | 1994-12-30 | Sub-transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960021230U KR960021230U (en) | 1996-07-18 |
| KR970000910Y1 true KR970000910Y1 (en) | 1997-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019940038372U KR970000910Y1 (en) | 1994-12-30 | 1994-12-30 | Sub-transmission |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970000910Y1 (en) |
-
1994
- 1994-12-30 KR KR2019940038372U patent/KR970000910Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR960021230U (en) | 1996-07-18 |
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