KR20070059635A - Sprag on the parking gear of the autotransmission - Google Patents

Sprag on the parking gear of the autotransmission Download PDF

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Publication number
KR20070059635A
KR20070059635A KR1020050118699A KR20050118699A KR20070059635A KR 20070059635 A KR20070059635 A KR 20070059635A KR 1020050118699 A KR1020050118699 A KR 1020050118699A KR 20050118699 A KR20050118699 A KR 20050118699A KR 20070059635 A KR20070059635 A KR 20070059635A
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KR
South Korea
Prior art keywords
parking gear
sprag
control device
parking
lever
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KR1020050118699A
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Korean (ko)
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김태환
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현대자동차주식회사
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Priority to KR1020050118699A priority Critical patent/KR20070059635A/en
Publication of KR20070059635A publication Critical patent/KR20070059635A/en

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    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H2063/3079—Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

A parking gear control device for automatic transmission is provided to couple stably a sprag with a parking gear by operating a lever. A parking gear control device shifts a locking state of a parking gear to an unlocking state or the unlocking state to the locking state of the parking gear by operating a lever(5) of automatic transmission. A sprag body(10) is connected with a position apart from teeth of the parking gear by using a hinge. The sprag body is rotatably coupled with an end of a connecting rod connected to the lever when the lever is shifted to a parking section. A control device(20) is coupled with a side of the parking gear of the sprag body in order to be rotated at a constant angle. The control device has a bent shape so that the teeth of the parking gear come in contact with both ends of the control device.

Description

자동변속기용 파킹기어 단속장치{Sprag on the parking gear of the autotransmission}Parking gear control device for automatic transmission {Sprag on the parking gear of the autotransmission}

도 1은 종래 파킹기어 단속장치의 개략 구성도.1 is a schematic configuration diagram of a conventional parking gear control device.

도 2는 본 발명에 의한 파킹기어 단속장치의 개략 구성도.2 is a schematic configuration diagram of a parking gear control device according to the present invention.

도 3은 본 발명에 의한 파킹기어 단속장치의 단속기구 사시도.Figure 3 is a perspective view of the control mechanism of the parking gear control device according to the present invention.

도 4는 본 발명에 의한 파킹기어 단속장치의 단속기구 일부절개 정면도.Figure 4 is a partial cutaway front view of the control mechanism of the parking gear control device according to the present invention.

도 5는 본 발명에 의한 파킹기어 단속장치의 단속기구의 작용상태 예시도.5 is an exemplary state of operation of the control mechanism of the parking gear control device according to the present invention.

※ 도면의 주요 부분에 대한 부호의 설명※ Explanation of codes for main parts of drawing

10 : 스프래그 본체 11 : 회전제한홈10: sprag main body 11: rotation limit groove

12 : 힌지축 20 : 단속기구12: hinge axis 20: intermittent mechanism

21 : 슬릿 22 : 스프링21: Slit 22: Spring

23 : 롤러23: roller

본 발명은 자동변속기용 파킹기어 단속장치에 관한 것으로서, 상세하게는 파킹기어의 치형과 결합되는 단속부재의 구조를 개선하여 차량의 파킹시 결합지점에서 발생되는 동작충격을 최소화하여 보다 안정된 동작을 수행할 수 있도록 한 것이다.The present invention relates to a parking gear control device for an automatic transmission, and in particular, by improving the structure of the control member coupled to the teeth of the parking gear, minimizing the operation shock generated at the parking point of the vehicle to perform a more stable operation. It is to be done.

차량의 자동변속기는 운전자가 조작을 수행하기 위한 변속레버가 운전석의 일측에 설치되며, 이 레버를 조작함에 의해 차량 주행기어가 조작되어 차량의 전진, 후진, 파킹(parking) 등을 제어할 수 있게 된다.In the automatic transmission of the vehicle, a shift lever for a driver to perform an operation is installed at one side of the driver's seat. By operating this lever, the vehicle driving gear can be operated to control forward, backward, and parking of the vehicle. do.

도 1은 상기된 자동변속기의 레버에 의해 파킹기어가 단속되기 위한 구성을 개략적으로 나타낸 구성도이다.1 is a configuration diagram schematically showing a configuration for the parking gear is intermittent by the lever of the automatic transmission described above.

도면을 참조하면, 상기 파킹기어(1)는 차량의 휠과 연동되도록 설치되며, 이 파킹기어(1)의 치형(2)에는 파킹기어(1)의 일측방에 각도회전 가능하게 설치된 스프래그(3)의 걸림돌기(4)가 간섭되도록 결합되어, 파킹기어(1)와 연결된 주행축이 회전되지 못하도록 구성된다.Referring to the drawings, the parking gear 1 is installed to be interlocked with the wheel of the vehicle, the teeth 2 of the parking gear 1, the sprag installed in one side of the parking gear (1) so as to rotate angularly ( The engaging projection 4 of 3) is coupled to interfere, so that the driving shaft connected to the parking gear 1 is not rotated.

즉, 상기된 스프래그(3)는 파킹기어(1) 및 이와 결합된 주행축에 결합되어 차량의 진행이 정지되도록 하기 위한 단속장치가 되며, 스프래그(3)의 걸림돌기(4)는 파킹기어(1)의 치형(2) 중 내측으로 함몰된 홈부의 형상과 대응되도록 형성된다.In other words, the above-mentioned sprag 3 is coupled to the parking gear 1 and the traveling shaft coupled thereto to be an intermittent device for stopping the progress of the vehicle, and the engaging protrusion 4 of the sprag 3 is parked. It is formed to correspond to the shape of the groove part recessed inward among the teeth 2 of the gear 1.

또한, 상기 스프래그(3)는 운전자에 의해 조작되는 레버(5)와 연결로드(6)에 의해 연결되고, 레버(5)가 파킹구간에 위치될 때 파킹기어(1)로 각도회전되어 차량을 파킹상태로 유지할 수 있게 됨은 주지된 것과 같다.In addition, the sprag 3 is connected by a lever 5 and a connecting rod 6 which is operated by a driver, and when the lever 5 is positioned in the parking section, the sprag 3 is angularly rotated by the parking gear 1 so that the vehicle is rotated. Being able to keep in the parking state is as well known.

상기된 것과 같은 파킹기어 단속구성은 스프래그가 파킹기어의 치형에 대응하여 형성된 고정형태의 단일돌기이기 때문에 단속구동되는 상태가 대단히 불안정하게 된다.In the parking gear intermittent configuration as described above, the intermittent driving state becomes very unstable because the sprags are fixed single protrusions formed corresponding to the teeth of the parking gear.

예로써, 운전자가 파킹을 원하는 지점에서 레버를 조작하여 스프래그의 걸림돌기가 파킹기어의 홈부에 정확하게 결합되면 문제되지 않지만, 걸림돌기가 기어치형의 돌출부 상에 얹혀지는 경우가 대부분이기 때문에, 걸림돌기가 기어치형의 홈부에 진입하기 위해서는 차량이 전, 후방으로 이동하여 걸림돌기가 파킹기어의 치형에 결합되는 상태가 된다.For example, if the driver manipulates the lever at the point where the driver wants to park, it is not a problem if the catch of the sprag is correctly engaged with the groove of the parking gear. In order to enter the groove portion of the tooth, the vehicle moves forward and rearward so that the engaging protrusion is coupled to the tooth of the parking gear.

따라서, 차량의 이동력이 발생된 시점에서 걸림돌기가 기어치형에 결합되면, 운전석에서도 인지될 수 있을 정도의 충격이 발생되어 상당한 불쾌감을 제공하게 되며, 이와 같은 충격이 여러번 반복되면 기어치형 또는 스프래그의 파손이 발생되어 이를 보수함에 따른 시간적/경제적 불이익이 발생된다.Therefore, when the locking projection is coupled to the gear tooth at the time when the moving force of the vehicle is generated, a shock that can be perceived in the driver's seat is generated to provide a significant discomfort. If such an impact is repeated several times, the gear tooth or the sprag is repeated. The breakage of the chip may occur, resulting in a time / economic penalty.

본 발명은 상기된 문제점을 해소하기 위해 발명한 것으로서, 변속레버의 조작에 의해 스프래그와 파킹기어가 안정적으로 결합되도록 하고, 정위치로 결합되는 과정이 보다 부드럽게 수행되도록 한 자동변속기용 파킹기어 단속장치를 제공함에 그 목적이 있다.The present invention has been invented to solve the above problems, the sprag and the parking gear to be stably coupled by the operation of the shift lever, and the parking gear for automatic transmission intermittent so that the process of coupling to the right position is performed more smoothly. The object is to provide a device.

상기 목적을 달성하기 위해 본 발명은 아래의 구성을 갖는다.In order to achieve the above object, the present invention has the following configuration.

본 발명은, 자동변속기의 레버를 조작함에 의해 파킹기어가 파킹/파킹해제 상태로 변환되도록 한 파킹기어 단속장치에 있어서, 상기 파킹기어의 치형과 이격된 지점에 힌지결합되어, 레버가 파킹구간으로 조작되면 레버와 연결된 연결로드의 일 끝단에 결합된 상태로 각도회전되는 스프래그 본체와; 상기 스프래그 본체의 파킹기어 측부에 힌지결합되어 일정구간 각도회전되며, 파킹기어의 치형이 간섭되어 치형의 양측변부가 양단부에 접촉되도록 절곡형성된 단속기구로 이루어진다.The present invention relates to a parking gear control device for converting a parking gear into a parking / unparking state by operating a lever of an automatic transmission, wherein the lever is hinged to a point spaced apart from a tooth of the parking gear, and the lever is connected to the parking section. A sprag body which is rotated in an angular rotation state when coupled to one end of the connecting rod connected to the lever; The sprag body is hinged to the parking gear side of the sprag body and rotates at an interval for a certain period. The gear of the parking gear interferes and is formed of an intermittent mechanism bent so that both side edges of the tooth contact the opposite ends.

여기서, 상기 단속기구는, 스프래그 본체와 힌지결합된 지점에 슬릿이 형성되고, 슬릿의 내부에는 단속기구가 힌지결합된 스프래그 본체의 힌지축과 이와 대향되는 슬릿의 내측면에 탄성부재가 장착되어 이루어진다.Here, the interruption mechanism, a slit is formed at a point hinged to the sprag main body, the elastic member is mounted on the inner side of the hinge shaft of the sprag main body hinged to the intermittent mechanism and the slit opposite to the inside of the slit. It is done.

또한, 상기 단속기구는, 파킹기어의 치형과 접촉된 양단부에 롤러가 회전가능하게 결합되는 것이 바람직하다.In addition, the intermittent mechanism, the roller is preferably rotatably coupled to both ends in contact with the teeth of the parking gear.

이하, 상기 구성이 적용된 본 발명의 실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention to which the above configuration is applied will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 의한 파킹기어 단속장치의 개략 구성도, 도 3은 본 발명에 의한 파킹기어 단속장치의 단속기구 사시도, 도 4는 본 발명에 의한 파킹기어 단속 장치의 단속기구 일부절개 정면도이다.2 is a schematic configuration diagram of a parking gear control device according to the present invention, Figure 3 is a perspective view of the control mechanism of the parking gear control device according to the present invention, Figure 4 is a partial cutaway front view of the control mechanism of the parking gear control device according to the present invention. .

도면을 참조하면, 본 발명에 의한 파킹기어 단속장치는 스프래그 본체(10), 단속기구(20)로 이루어진다.Referring to the drawings, the parking gear control device according to the present invention comprises a sprag body 10, the control mechanism 20.

상기 스프래그 본체(10)는 상기 레버(5)가 파킹구간으로 조작되면, 레버(5)와 연결된 연결로드(6)의 일 끝단에 결합된 상태로 각도회전되도록 구성된다.When the lever 5 is operated in the parking section, the sprag main body 10 is configured to angularly rotate in a state coupled to one end of the connecting rod 6 connected to the lever 5.

여기서, 상기 스프래그 본체(10)는 파킹기어(1)의 치형(2)과 이격된 지점에서 연결로드(6)의 슬라이드 구동에 의해 회전가능하도록 일끝단이 힌지결합되고, 타측 끝단은 자유단이 되도록 설치된다.Here, the sprag main body 10 is hinged to one end so as to be rotatable by the slide drive of the connecting rod 6 at a point spaced from the teeth 2 of the parking gear 1, the other end is a free end It is installed to be.

상기 단속기구(20)는 스프래그 본체(10)의 파킹기어(1) 측부에 힌지결합되어 일정구간 각도회전되도록 장착되는데, 이 때, 상기 일정구간 각도회전되기 위한 구성으로 스프래그 본체(10)에는 파킹기어(1)가 각도회전 될 때의 제한 구간만큼의 회전제한홈(11)이 형성된다.The intermittent mechanism 20 is hingedly coupled to the parking gear 1 side of the sprag main body 10 so as to be rotated angularly by a predetermined section. At this time, the sprag main body 10 is configured to rotate angularly by the predetermined section. In the parking gear 1, the rotation limiting groove 11 is formed as much as the limited section when the angular rotation is performed.

또한, 상기 단속기구(20)는 파킹기어(1)의 치형(2) 양측변부가 양단부에 접촉되도록 형성되는데, 이를 위해 상기 단속기구(20)는 'ㅅ' 형태로 절곡되어 치형(2)을 상측에서 감싸듯한 형태로 형성되며, 치형(2)의 도면상 상단일부가 간섭되는 것을 고려하여 그 내측에 홈을 형성하여 구성된다.In addition, the intermittent mechanism 20 is formed such that both sides of the teeth 2 of the parking gear 1 are in contact with both ends. For this purpose, the intermittent mechanism 20 is bent in a 'ㅅ' shape to form the tooth 2. It is formed in a wrapper-like shape from the upper side, and is formed by forming a groove in the inner side in consideration of the interference part of the upper end in the drawing of the tooth (2).

이러한 구성의 단속기구(20)는 스프래그 본체(10)와 결합될 때, 탄력적인 결합상태를 갖도록 하기 위해 스프래그 본체(10)와 힌지결합된 지점에 슬릿(21)이 형성되고, 슬릿(21)의 내부에는 단속기구(20)가 힌지결합된 스프래그 본체(10)의 힌 지축(12)과 이와 대향되는 슬릿(21)의 내측면에 탄성부재인 스프링(22)이 장착된다.When the intermittent mechanism 20 of this configuration is coupled to the sprag main body 10, the slit 21 is formed at a point hinged to the sprag main body 10 so as to have an elastic coupling state, and the slit ( In the interior of the 21, the spring 22, which is an elastic member, is mounted on the hinge shaft 12 of the sprag main body 10 to which the intermittent mechanism 20 is hinged and the inner surface of the slit 21 opposite thereto.

즉, 상기된 단속기구(20)는 스프링(22)의 탄성력에 의해 파킹기어(1)의 치형(2)에 결합될 때 항상 치형(2) 측으로 밀착된 결합상태를 유지하게 된다.That is, the interruption mechanism 20 is always kept in close contact with the teeth 2 side when coupled to the teeth 2 of the parking gear 1 by the elastic force of the spring 22.

또한, 상기 단속기구(20)는 파킹기어(1)의 치형(2)과 접촉된 양단부에 롤러(23)가 회전가능하게 결합되는데, 이는 단속기구(20)가 파킹기어(1)의 치형(2)에 접촉된 후 파킹기어(1)가 일정구간 회전될 때 치형(2)의 외면에 마찰되며 발생되는 소음, 스크래치 등을 방지하게 된다.In addition, the intermittent mechanism 20 is rotatably coupled to the roller 23 at both ends in contact with the teeth 2 of the parking gear 1, which is the intermittent mechanism 20 is a tooth of the parking gear 1 ( When the parking gear 1 is rotated for a certain period after being in contact with 2), the parking gear 1 is rubbed against the outer surface of the tooth 2 to prevent noise, scratches, and the like.

도 5는 본 발명에 의한 파킹기어 단속장치의 단속기구의 작용상태 예시도이다.5 is an exemplary view illustrating an operation state of the control mechanism of the parking gear control device according to the present invention.

도면을 참조하면, 상기 파킹기어 단속장치에서 단속기구(20)는 변속레버(5)의 조작에 의해 스프래그 본체(10)가 파킹기어(1)에 결합될 때 대부분의 경우 치형(2)의 돌출된 끝단부분을 감싸듯이 결합된 상태가 되는데, 이는 치형(2)과 결합될 지점이 확장되어 정확하게 결합되는 확률을 대폭 향상시키게 된다.Referring to the drawings, in the parking gear control device, the control mechanism 20 is in most cases of the teeth 2 when the sprag main body 10 is coupled to the parking gear 1 by the operation of the shift lever 5. The combined state is wrapped around the protruding end, which greatly improves the probability that the point to be combined with the tooth 2 is expanded to be accurately combined.

또한, 상기된 단속기구(20)가 파킹기어(1)의 치형(2)에 정확하게 결합되지 못한 경우, 파킹기어(1)가 약간의 구간(적어도 종래보다 적은 구간)만을 회전하게 되면 파킹기어(1)의 치형(2)이 단속기구(20)의 양단부 사이에 위치되기 때문에 차량의 이동력 발생에 따른 결합시의 충격을 완화시킬 수 있게 된다.In addition, when the intermittent mechanism 20 is not accurately coupled to the teeth 2 of the parking gear 1, when the parking gear 1 rotates only a small section (at least less than the conventional section), the parking gear ( Since the tooth 2 of 1) is positioned between both ends of the intermittent mechanism 20, it is possible to alleviate the shock at the time of engagement caused by the movement force of the vehicle.

나아가, 상기 단속기구(20)는 스프링(22)에 의해 항상 치형(2)에 밀착된 상 태가 유지되어 간격이 발생되지 않기 때문에 많은 충격을 완화시킬 수 있게 되며, 치형(2)에 밀착된 지점이 롤러(23)에 의한 구름접촉의 형태가 되기 때문에 마찰소음 및 스크래치 등이 발생되지 않는다.Furthermore, the intermittent mechanism 20 is always kept in close contact with the teeth 2 by the spring 22, so that no gap is generated, so that many shocks can be alleviated, and the points close to the teeth 2 are maintained. Since it becomes the form of rolling contact by this roller 23, friction noise, a scratch, etc. do not generate | occur | produce.

이상에서 설명한 것과 같이 본 발명은, 자동변속레버를 파킹구간으로 조작하면 스프래그의 단속기구가 파킹기어의 치형에 보다 안정적으로 결합되도록 하고, 파킹기어와 단속기구가 정위치로 결합되는 과정이 보다 부드럽게 수행되어 파킹시 발생되는 충격을 대폭 완화하므로서, 운전자가 느끼는 불쾌함 및 부품의 파손우려를 최소화하는 효과를 얻게 된다.As described above, according to the present invention, when the automatic shift lever is operated as a parking section, the intermittent mechanism of the sprag is more stably coupled to the teeth of the parking gear, and the parking gear and the intermittent mechanism are coupled to the correct position. By performing smoothly to greatly alleviate the shock generated during parking, it is possible to minimize the discomfort felt by the driver and the fear of damage to parts.

Claims (3)

자동변속기의 레버(5)를 조작함에 의해 파킹기어(1)가 파킹/파킹해제 상태로 변환되도록 한 파킹기어 단속장치에 있어서,In a parking gear control device in which the parking gear 1 is converted to the parking / unparking state by operating the lever 5 of the automatic transmission, 상기 파킹기어(1)의 치형(2)과 이격된 지점에 힌지결합되어, 레버(5)가 파킹구간으로 조작되면 레버(5)와 연결된 연결로드(6)의 일 끝단에 결합된 상태로 각도회전되는 스프래그 본체(10)와;When the lever 5 is operated by the parking section, the hinge is coupled to a point spaced apart from the tooth 2 of the parking gear 1, and the angle is coupled to one end of the connecting rod 6 connected to the lever 5. A sprag body 10 which is rotated; 상기 스프래그 본체(10)의 파킹기어(1) 측부에 힌지결합되어 일정구간 각도회전되며, 파킹기어(1)의 치형(2)이 간섭되어 치형(2)의 양측변부가 양단부에 접촉되도록 절곡형성된 단속기구(20)로 이루어진 것을 특징으로 하는 자동변속기용 파킹기어 단속장치.The sprag body 10 is hinged to the parking gear 1 side of the sprocket body 10 and rotated at an angle for a certain period, and the teeth 2 of the parking gear 1 interfere with each other so that both side edges of the teeth 2 are bent at both ends. Parking gear control device for an automatic transmission, characterized in that consisting of the formed intermittent mechanism (20). 제 1 항에 있어서, The method of claim 1, 상기 단속기구(20)는The intermittent mechanism 20 스프래그 본체(10)와 힌지결합된 지점에 슬릿(21)이 형성되고, 슬릿(21)의 내부에는 단속기구(20)가 힌지결합된 스프래그 본체(10)의 힌지축(12)과 이와 대향되는 슬릿(21)의 내측면에 탄성부재(22)가 장착되어 이루어진 것을 특징으로 하는 자동변속기용 파킹기어 단속장치.A slit 21 is formed at a point hinged to the sprag main body 10, and the hinge shaft 12 of the sprag main body 10 to which the intermittent mechanism 20 is hinged is coupled to the inside of the slit 21. Parking gear control device for an automatic transmission, characterized in that the elastic member 22 is mounted on the inner side of the slit 21 facing. 제 1 항 또는 제 2 항에 있어서, 상기 단속기구(20)는The method of claim 1 or 2, wherein the intermittent mechanism 20 파킹기어(1)의 치형(2)과 접촉된 양단부에 롤러(23)가 회전가능하게 결합되어 이루어진 것을 특징으로 하는 자동변속기용 파킹기어 단속장치.A parking gear control device for an automatic transmission, characterized in that the roller (23) is rotatably coupled to both ends in contact with the teeth (2) of the parking gear (1).
KR1020050118699A 2005-12-07 2005-12-07 Sprag on the parking gear of the autotransmission KR20070059635A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100897101B1 (en) * 2007-11-08 2009-05-14 현대자동차주식회사 Parking gear releasing device for auto transmission of vehicle using variable parking sprag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100897101B1 (en) * 2007-11-08 2009-05-14 현대자동차주식회사 Parking gear releasing device for auto transmission of vehicle using variable parking sprag

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