KR100331222B1 - parking system for electric vehicle - Google Patents
parking system for electric vehicle Download PDFInfo
- Publication number
- KR100331222B1 KR100331222B1 KR1019990053930A KR19990053930A KR100331222B1 KR 100331222 B1 KR100331222 B1 KR 100331222B1 KR 1019990053930 A KR1019990053930 A KR 1019990053930A KR 19990053930 A KR19990053930 A KR 19990053930A KR 100331222 B1 KR100331222 B1 KR 100331222B1
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- South Korea
- Prior art keywords
- sleeve
- parking
- spline
- fixed
- gear
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
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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
-
- 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
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
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- 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
- B60Y2200/91—Electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Structure Of Transmissions (AREA)
Abstract
본 발명은 전기자동차용 파킹기구에 관한 것으로서, 보다 상세하게는 싱크로나이저 기구를 이용하여 확실한 파킹을 할 수 있고, 구조를 단순화할 수 있는 전기자동차용 파킹기구에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parking mechanism for an electric vehicle, and more particularly, to a parking mechanism for an electric vehicle that can reliably park using a synchronizer mechanism and simplify a structure.
이러한 파킹기구는 전동기와 바퀴 사이에 연결되어 전동기의 구동력을 바퀴로 전달하는 구동 샤프트의 일측에 스플라인 결합되어 회전되고 바깥 둘레 부분에 스플라인 홈이 형성된 허브 기어와, 상기 허브 기어의 바깥 둘레와 스플라인으로 결합되어 회전되고 바깥쪽 둘레 부분을 따라 홈이 형성된 슬리브와, 감속기 케이스의 일측에 한쪽이 고정되고 다른쪽에는 슬리브와 스플라인 결합되도록 기어치가 형성된 고정부와, 고정부의 일측에 형성된 원추부분에 끼워진 형태로 설치되고 슬리브와 스플라인 결합되는 기어치가 형성되며 슬리브에 의해 고정부측으로 이동되어 클러치 작용을 하는 싱크로나이저 링과, 슬리브와 허브 기어 사이에 끼워져 슬리브에 일정 압력을 가하여 일정압 이상에서만 슬리브가 이동할 수 있도록 하는 싱크로나이저 키와, 일단이 파킹 레버와 연결되고 다른 일단은 슬리브의 홈 부분에 삽입되어 파킹 레버를 조작할 때 슬리브를 이동시키는 파킹포크를 포함한다.The parking mechanism is connected between the electric motor and the wheel to a spline coupled to one side of the drive shaft for transmitting the driving force of the motor to the wheel is rotated and the spline groove formed in the outer peripheral portion, the outer circumference and the spline of the hub gear Coupled to the rotating and grooved sleeve along the outer circumferential portion, the one side fixed to one side of the reducer case, the other side is fixed to the gear formed to spline coupling with the sleeve, and the conical portion formed on one side of the fixed portion Gears are installed in the form and are splined to the sleeve, and are moved to the fixed portion by the sleeve, and the synchronizer ring acts as a clutch, and is inserted between the sleeve and the hub gear to apply a certain pressure to the sleeve to move the sleeve only at a certain pressure. Synchronizer keys to enable, Associated with only the parking lever and the other end includes a parking fork which is inserted in the groove portion of the sleeve to move the sleeve when operating the parking lever.
Description
본 발명은 전기자동차용 파킹기구에 관한 것으로서, 보다 상세하게는 싱크로나이저 기구를 이용하여 확실한 파킹을 할 수 있고, 구조를 단순화할 수 있는 전기자동차용 파킹기구에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parking mechanism for an electric vehicle, and more particularly, to a parking mechanism for an electric vehicle that can reliably park using a synchronizer mechanism and simplify a structure.
일반적으로 전기자동차는 배터리를 동력원으로 하여 전동기를 구동시켜 주행하는 자동차로서, 출력이나 속도의 제어를 위해 감속기가 설치된다.In general, an electric vehicle is a vehicle driven by driving an electric motor using a battery as a power source, and a speed reducer is installed to control output or speed.
감속기는 전동기의 구동력을 감속시키는 역할을 수행하는 것으로, 전기자동차에는 자동차의 주차를 위해 파킹기구가 설치된다.The reducer serves to reduce the driving force of the electric motor, and an electric vehicle is provided with a parking mechanism for parking the vehicle.
이러한 전기자동차의 파킹기구는 종래의 경우 자동변속기에서 사용되는 파킹기구가 주로 사용되는데, 이 파킹기구는 사이즈가 크고, 구조가 복잡한 문제점이 있다.In the conventional parking mechanism of the electric vehicle, a parking mechanism used in an automatic transmission is mainly used. The parking mechanism has a large size and a complicated structure.
본 발명은 상기한 문제점을 해결하기 위하여 창출된 것으로서, 본 발명의 목적은 싱크로나이저 기구를 사용하여 파킹기구의 크기를 줄이고, 구조를 단순화할 수 있는 전기자동차용 파킹기구를 제공하는 데 있다.The present invention has been made to solve the above problems, and an object of the present invention is to provide a parking mechanism for an electric vehicle that can reduce the size of the parking mechanism and simplify the structure by using a synchronizer mechanism.
도 1은 본 발명에 따른 전기자동차용 파킹기구의 반단면도이다.1 is a half sectional view of a parking mechanism for an electric vehicle according to the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>
2 : 구동 샤프트 4 : 허브 기어2: drive shaft 4: hub gear
6 : 슬리브 8 : 감속기 케이스6: sleeve 8: reducer case
10 : 고정부 12 : 싱크로나이저 링10: fixing part 12: synchronizer ring
14 : 싱크로나이저 키 16 : 파킹포크14: synchronizer key 16: parking fork
상기한 과제를 실현하기 위한 본 발명은 전동기와 바퀴 사이에 연결되어 전동기의 구동력을 바퀴로 전달하는 구동 샤프트와, 상기 구동 샤프트의 일측에 스플라인 결합되어 회전되고 바깥 둘레 부분에 스플라인 홈이 형성된 허브 기어와, 상기 허브 기어의 바깥 둘레와 스플라인으로 결합되어 회전되고 바깥쪽 둘레 부분을 따라 홈이 형성된 슬리브와, 감속기 케이스의 일측에 한쪽 측면이 고정되고, 다른쪽 측면에는 상기 슬리브와 스플라인 결합되도록 기어치가 형성된 고정부와, 상기 고정부의 일측에 형성된 원추부분에 끼워진 형태로 설치되고 상기 슬리브와 스플라인 결합되는 기어치가 형성되며 상기 슬리브의 이동에 따라 마찰력을 발생시키면서 고정부측으로 이동되어 클러치 작용을 하는 싱크로나이저 링과, 상기 슬리브와 허브 기어 사이에 끼워져 슬리브에 일정 압력을 가하여 일정압 이상에서만 슬리브가 이동할 수 있도록 하는 싱크로나이저 키와, 일단이 파킹 레버와 연결되고 다른 일단은 상기 슬리브의 홈 부분에 삽입되어 파킹 레버를 조작할 때 상기 슬리브를 이동시키는 파킹포크를 포함한 것을 특징으로 한다.The present invention for realizing the above object is connected between the motor and the wheel drive shaft for transmitting the driving force of the electric motor to the wheel, and spline coupled to one side of the drive shaft is rotated and the spline groove formed spline groove on the outer peripheral portion And, a sleeve coupled to the outer circumference of the hub gear and splined to rotate and having a groove formed along the outer circumference thereof, one side of which is fixed to one side of the reducer case, and the gear tooth to be splined to the sleeve on the other side of the hub gear. And a fixed tooth formed in a conical portion formed on one side of the fixing portion and formed with a gear tooth that is splined to the sleeve and moved to the fixing portion while generating a friction force in accordance with the movement of the sleeve to act as a clutch. Between the niger ring and the sleeve and the hub gear A synchronizer key that applies a certain pressure to the warzer sleeve to allow the sleeve to move only above a certain pressure, and one end is connected to the parking lever and the other end is inserted into the groove portion of the sleeve to move the sleeve when operating the parking lever. It is characterized by including a parking fork.
이하, 첨부된 도면을 참조하여 본 발명의 일실시예를 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
도 1은 본 발명에 따른 전기자동차용 파킹기구의 단면도이다.1 is a cross-sectional view of a parking mechanism for an electric vehicle according to the present invention.
전기자동차용 파킹기구는 전동기(미도시)와 바퀴가 연결되어 전동기의 구동력을 바퀴로 전달하는 구동 샤프트(2)와, 상기 구동 샤프트(2)의 일측에 스플라인 결합되어 같이 회전되고 바깥 둘레에 스플라인 홈이 형성된 허브 기어(4)와, 상기 허브 기어(4)의 바깥 둘레와 스플라인으로 결합되어 회전되고 바깥쪽 둘레 부분을 따라 홈(20)이 형성된 슬리브(6)와, 감속기 케이스(8)의 일측에 고정되고 다른 일측에는 상기 슬리브(6)와 스플라인 결합되는 기어치(22)가 형성된 고정부(10)와, 상기 고정부(10)의 일측에 형성된 원추부분에 끼워진 형태로 설치되고 상기 슬리브(6)와 스플라인 결합되는 기어치(12')가 형성되며 상기 슬리브(6)의 이동에 따라 마찰력을 발생시키면서 고정부(10)측으로 이동되어 클러치 작용을 하는 싱크로나이저 링(12)과, 슬리브(6)와 허브 기어(4) 사이에 장착되어 슬리브(6)에 압력을 제공하는 싱크로나이저 키(14)로 이루어진다.The parking mechanism for an electric vehicle has a drive shaft 2 which is connected to an electric motor (not shown) and transmits a driving force of the electric motor to the wheel, and is splined to one side of the drive shaft 2 to rotate together and splines around the outside. A groove formed hub gear 4, a sleeve 6 coupled to the outer circumference of the hub gear 4 and splined therein, and having a groove 20 formed along the outer circumferential portion, It is fixed to one side and the other side is fixed to the gear 10 is formed with a gear tooth 22 is splined to the sleeve 6, and is installed in a form fitted to the cone formed on one side of the fixing portion 10 and the sleeve The gear tooth 12 'which is splined to the 6 is formed, and the synchronizer ring 12 which is moved to the fixed part 10 side while generating a friction force according to the movement of the sleeve 6 acts as a clutch, and the sleeve (6) and herb group (4) mounted between comprises a synchronizer key 14 to provide a pressure to the sleeve (6).
즉, 상기 허브 기어(4)는 내주연과 외주연에 각각 스플라인이 형성되어, 내주연은 구동 샤프트(2)의 일측에 스플라인 결합되고 외주연은 상기 슬리브(6)와 스플라인 결합된다. 그리고, 슬리브(6)와 허브 기어(4) 외주연 사이에는 복수개의 싱크로나이저 키이(14)가 탄성적으로 끼워져 슬리브(6)의 이동을 억제한다.That is, the hub gear 4 is formed with splines on the inner and outer circumferences, respectively, the inner circumference is splined to one side of the drive shaft 2 and the outer circumference is splined to the sleeve 6. A plurality of synchronizer keys 14 are elastically fitted between the sleeve 6 and the outer circumference of the hub gear 4 to suppress the movement of the sleeve 6.
또, 상기 슬리브(6)의 외주연 둘레방향에 형성된 홈(20)에는 파킹레버(미도시)와 연결되는 파킹포크(16)가 삽입된다. 따라서, 파킹레버를 조작할 경우 파킹포크(16)가 슬리브(6)를 고정부(10)측으로 이동시켜 파킹작용을 한다.In addition, a parking fork 16 connected to a parking lever (not shown) is inserted into the groove 20 formed in the outer circumferential circumferential direction of the sleeve 6. Therefore, when the parking lever is operated, the parking fork 16 moves the sleeve 6 toward the fixing part 10 to perform the parking function.
상기 고정부(10)는 일측면이 감속기 케이스(8)에 고정되고, 타측에는 상기 슬리브와 스플라인 결합되는 기어치(22)가 형성되며, 상기 기어치(22) 부분으로부터 슬리브(6)측으로는 원추부분이 형성되어 있다. 이 원추부분에 상기 싱크로나이저 링(12)이 끼워지게 되며, 싱크로나이저 링(12)은 파킹시 상기 고정부(10)의 원추부분을 따라 고정부(10)측으로 이동되면서 마찰력을 이용하여 클러치 작용을 한다.One side of the fixing part 10 is fixed to the reducer case 8, and the other side is formed with a gear tooth 22 that is splined with the sleeve, and is located from the gear tooth 22 portion to the sleeve 6 side. Conical part is formed. The synchronizer ring 12 is fitted to the conical portion, and the synchronizer ring 12 moves along the conical portion of the fixing portion 10 toward the fixing portion 10 while clutching by using friction force. Do it.
이와 같이 이루어진 전기자동차의 파킹기구의 작용을 다음에서 설명한다.The operation of the parking mechanism of the electric vehicle thus made will be described below.
전기자동차를 파킹하기 위해 파킹레버를 당기면 파킹포크(16)가 슬리브(6)를 화살표 A 방향, 즉 고정부(10)측으로 이동시킨다. 상기 슬리브(6)가 우측으로 슬라이딩됨에 따라 싱크로나이저 링(12)이 싱크로나이저 키(14)에 의해 밀려 우측으로 이동하게 되고, 상기 슬리브(6)는 싱크로나이저 링(12)의 기어치(12')와 스플라인 결합된다. 상기 싱크로나이저 링(12)은 상기 고정부(10)의 원추부분을 따라 이동하게 되므로 싱크로나이저 링(12)의 이동에 따라 싱크로나이저 링(12)과 고정부(10) 사이의 마찰력이 증대하게 되고, 이 마찰력에 의해 상기 슬리브(6)의 회전 속도는 더욱 감소하게 된다.물론, 파킹을 시도할 때 차량은 거의 정지한 상태이므로 상기 허브 기어(4) 및 슬리브(6)의 회전 속도도 거의 0에 가까운 상태이다. 따라서, 상기 슬리브(6)는 싱크로나이저 링(12)과 고정부(10)의 마찰에 의해 거의 정지하게 된다. 이후, 상기 슬리브(6)가 더 우측으로 이동하게 되면 상기 싱크로나이저 링(12)의 클러치 작용으로 인해 슬리브(6)의 내주연이 고정부(10)의 기어치(22) 부분에 스플라인 결합된다. 상기 슬리브(6)와 고정부(10)의 기어치(22)가 스플라인 결합됨에 따라 슬리브(6)는 회전되지 못하게 고정되고, 상기 슬리브(6)가 고정됨에 따라 상기 슬리브(6)와 스플라인 결합된 허브 기어(4) 역시 고정되며, 상기 허브 기어(4)에 의해 구동 샤프트(2) 역시 고정되어 차량이 이동되지 않게 한다.When the parking lever is pulled to park the electric vehicle, the parking fork 16 moves the sleeve 6 in the direction of arrow A, that is, the fixing part 10 side. As the sleeve 6 slides to the right, the synchronizer ring 12 is pushed by the synchronizer key 14 to move to the right, and the sleeve 6 is gear 12 of the synchronizer ring 12. ') And spline combined. Since the synchronizer ring 12 moves along the conical part of the fixing part 10, the friction force between the synchronizer ring 12 and the fixing part 10 increases as the synchronizer ring 12 moves. The rotational speed of the sleeve 6 is further reduced by this frictional force. Of course, the rotational speed of the hub gear 4 and the sleeve 6 is also substantially reduced since the vehicle is almost at rest when the parking is attempted. It is close to zero. Thus, the sleeve 6 is almost stopped by friction between the synchronizer ring 12 and the fixing part 10. Then, when the sleeve 6 is moved further to the right, the inner circumference of the sleeve 6 is splined to the gear tooth 22 of the fixing part 10 due to the clutch action of the synchronizer ring 12. . As the gear 6 of the sleeve 6 and the fixing part 10 is splined, the sleeve 6 is fixedly prevented from rotating, and as the sleeve 6 is fixed, the sleeve 6 is splined with the sleeve 6. The hub gear 4 is also fixed, and the drive shaft 2 is also fixed by the hub gear 4 to prevent the vehicle from moving.
즉, 슬리브(6)는 구동 샤프트(2)와 스플라인 결합되어 같이 회전하는 허브 기어(4)의 외주연과 감속기 케이스(8)에 고정되는 고정부(10)의 기어치(22)에 동시에 스플라인 결합되므로, 상기 슬리브(6)에 의해 구동 샤프트(2)가 고정되어 전기자동차의 파킹이 이루어지는 것이다.That is, the sleeve 6 is splined to the drive shaft 2 and splined simultaneously to the outer periphery of the rotating hub gear 4 and the gear teeth 22 of the fixed part 10 fixed to the reduction gear case 8. Since it is coupled, the drive shaft (2) is fixed by the sleeve (6) is to park the electric vehicle.
따라서, 상기와 같이 구성되고 작용되는 본 발명의 전기자동차용 파킹기구는 싱크로나이저 기구를 이용하여 바퀴와 연결된 구동 샤프트를 감속기 케이스에 고정시켜 파킹을 행하기 때문에 파킹기구가 몇 개의 부품으로 조합된 싱크로나이저 기구로 이루어져 구조가 간단하고, 파킹이 보다 완벽하게 이루어지고, 크기를 줄일 수 있는 잇점이 있다.Therefore, the parking mechanism for the electric vehicle of the present invention constructed and operated as described above is a synchro having a parking mechanism combined with several parts because the parking mechanism is fixed by fixing the drive shaft connected to the wheel to the reducer case using the synchronizer mechanism. It has the advantage of simpler structure, more perfect parking, and reduced size due to the Niger mechanism.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990053930A KR100331222B1 (en) | 1999-11-30 | 1999-11-30 | parking system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990053930A KR100331222B1 (en) | 1999-11-30 | 1999-11-30 | parking system for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010049016A KR20010049016A (en) | 2001-06-15 |
| KR100331222B1 true KR100331222B1 (en) | 2002-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990053930A Expired - Fee Related KR100331222B1 (en) | 1999-11-30 | 1999-11-30 | parking system for electric vehicle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101704049B1 (en) * | 2011-06-13 | 2017-02-08 | 현대자동차주식회사 | Parking brake device for electric vehicle |
| KR101616641B1 (en) * | 2014-11-24 | 2016-04-28 | 현대위아 주식회사 | Electronic parking device for vehicle |
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- 1999-11-30 KR KR1019990053930A patent/KR100331222B1/en not_active Expired - Fee Related
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