KR100285464B1 - Manual valve for automatic transmission - Google Patents

Manual valve for automatic transmission Download PDF

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Publication number
KR100285464B1
KR100285464B1 KR1019960079446A KR19960079446A KR100285464B1 KR 100285464 B1 KR100285464 B1 KR 100285464B1 KR 1019960079446 A KR1019960079446 A KR 1019960079446A KR 19960079446 A KR19960079446 A KR 19960079446A KR 100285464 B1 KR100285464 B1 KR 100285464B1
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KR
South Korea
Prior art keywords
cam
line pressure
manual valve
range
automatic transmission
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KR1019960079446A
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Korean (ko)
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KR19980060098A (en
Inventor
김한수
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정몽규
현대자동차주식회사
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Priority to KR1019960079446A priority Critical patent/KR100285464B1/en
Publication of KR19980060098A publication Critical patent/KR19980060098A/en
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Publication of KR100285464B1 publication Critical patent/KR100285464B1/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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
    • F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4035—Control of circuit flow

Abstract

PURPOSE: A manual valve of an automatic transmission is provided to integrate the manual valve with an inhibitor switch changing the contact point according to each range by regulating a port control unit with turning a cam, and by changing the line pressure passage with supplying line pressure to ports. CONSTITUTION: A manual valve for an automatic transmission is composed of a cam(1) receiving operational force in selecting the range of a selector lever, supplying hydraulic pressure to ports(9,11) according to ranges, and turning by the operational force transmitted to the lever; a housing(7) supporting the cam to turn, and having plural ports to supply or shut off line pressure selectively; plural balls(13) operated by turning the cam, and placed around the cam to open and close ports of the housing for supplying line pressure; and a port control unit having an elastic member(15) supporting balls for keeping balls closing port and connecting ports. An inhibitor switch is integrally formed with the manual valve by changing the passage of line pressure with supplying line pressure to each port.

Description

자동변속기용 매뉴얼 밸브Manual Valve for Automatic Transmission

본 발명은 자동변속기용 매뉴얼 밸브에 관한 것으로서, 보다 상세하게는 회전조작으로 라인압의 유로를 변경케 하여 회전 운동하면서 각 레인지 접점을 변화시키는 인히비터 스위치와 일체화시킬 수 있는 자동변속기용 매뉴얼 밸브에 관한 것이다.The present invention relates to a manual valve for an automatic transmission, and more particularly, to a manual valve for an automatic transmission that can be integrated with an inhibitor switch for changing each range contact while rotating by changing a flow path of a line pressure by a rotation operation. It is about.

일반적으로 자동변속기를 장착한 차량에는 각 레인지를 선택할 수 있는 변속레버, 이 변속 레버에 연동하는 인히비터 스위치 및 오일펌프로부터 공급되는 라인압을 각 시프트 밸브 및 압력 컨트롤 밸브를 통하여 각 마찰요소로 공급하는 매뉴얼 밸브를 구비하고 있다.In general, a vehicle equipped with an automatic transmission is provided with a shift lever for selecting a range, an inhibitor switch linked to the shift lever, and a line pressure supplied from an oil pump to each friction element through each shift valve and a pressure control valve. A manual valve is provided.

상기 인히비터 스위치는 변속 레버의 조작력을 받아 회전 운동하면서 레인지 접점을 선택 및 변환시키도록 이루어져 있다.The inhibitor switch is configured to select and convert a range contact while rotating in response to an operation force of a shift lever.

그리고 매뉴얼 밸브는 변속 레버의 조작력을 받아 직선 왕복 운동하면서 유로와 연결되는 포트 변환을 실현하여 라인압의 공급 방향을 결정할 수 있도록 스풀 밸브 구조로 이루어져 있다.In addition, the manual valve has a spool valve structure to determine the supply direction of the line pressure by realizing a port change connected to the flow path while linearly reciprocating under the operating force of the shift lever.

상기 자동변속기용 매뉴얼 밸브는 직선 왕복 운동하면서 라인압의 공급 방향을 제어하기 때문에 회전 운동하면서 레인지 접점을 변환시키는 인히비터 스위치와 일체화에 한계점을 유발시킨다.Since the manual valve for the automatic transmission controls the supply direction of the line pressure while linearly reciprocating, it causes a limit point in integration with the inhibitor switch for converting the range contact while rotating.

따라서 본 발명은 상기와 같은 한계점을 극복하기 위하여 발명된 것으로서, 본 발명의 목적은 회전조작으로 라인압의 유로를 변경케 하여 회전운동하면서 각 레인지 접점을 변화시키는 인히비터 스위치와 일체화시킬 수 있는 자동변속기용 매뉴얼 밸브를 제공하는데 있다.Therefore, the present invention was invented to overcome the above limitations, and an object of the present invention is to change the range of the line pressure flow path by the rotation operation, which can be integrated with an inhibitor switch that changes each range contact while rotating. To provide a manual valve for the transmission.

이를 실현하기 위하여 본 발명에 다른 자동변속기용 매뉴얼 밸브는 변속 레버의 레인지 선택 조작력을 전달받아 회전 운동하는 캠, 이 캠을 회전 가능하도록 지지하며 일측으로 유입되는 라인압을 복수의 개소에 선택적으로 공급 및 차단할 수 있도록 복수의 포트들을 형성한 하우징, 상기 캠의 회전운동에 따라 작동되어 이 하우징에 형성된 포트들을 각 레인지에 상응하게 선택적으로 연통시키도록 하우징 내의 캠 외주측에 복수로 제공되는 포트 제어수단을 포함한다.In order to realize this, the manual valve for an automatic transmission according to the present invention is a cam for rotational movement receiving the range selection operation force of the shift lever, supporting the cam so as to be rotatable, and selectively supplying the line pressure introduced to one side to a plurality of places. And a port control means provided in a plurality on the outer peripheral side of the cam in the housing so as to block the housing, the plurality of ports formed to be blocked, and actuated according to the rotational movement of the cam to selectively communicate the ports formed in the housing corresponding to each range. It includes.

상술한 바와 같이 구성되는 자동변속기용 매뉴얼 밸브는 변속 레버의 레인지 선택 조작력으로 캠을 회전시키고, 이 캠의 회전력이 포트 제어수단을 제어하여 라인압을 각 레인지에 상응하는 포트로 공급한다.The manual valve for the automatic transmission configured as described above rotates the cam by the range selection operation force of the shift lever, and the rotational force of the cam controls the port control means to supply the line pressure to a port corresponding to each range.

이하 본 발명의 바람직한 구성 및 작용을 첨부한 도면에 의거하여 보다 상세히 설명한다.BEST MODE Hereinafter, preferred configurations and operations of the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 발명에 관련하는 자동변속기용 매뉴얼 밸브의 단면도.1 is a cross-sectional view of a manual valve for an automatic transmission according to the present invention.

제2도는 제1도의 A-A선에 따른 단면도이다.2 is a cross-sectional view taken along the line A-A of FIG.

제1도는 본 발명에 관련하는 자동변속기용 매뉴얼 밸브의 단면도로서, 변속 레버(미도시)의 직선 왕복 조작력을 회전 조작력으로 전달받아 캠(1)을 작동시켜 라인압을 각 레인지에 상응하는 유로로 변경 공급할 수 있는 구조로 이루어져 있다.1 is a cross-sectional view of a manual valve for an automatic transmission according to the present invention. The linear reciprocating operation force of a shift lever (not shown) is transmitted as a rotation operation force to operate the cam 1 to supply a line pressure to a flow path corresponding to each range. It consists of a structure that can be changed and supplied.

즉, 캠(1)은 제2도에 도시된 바와같이, 변속 레버의 레인지 선택 조작력에 의하여 회전운동할 수 있도록 레버(3)로 연결되고, 변속레버가 레인지를 선택할 때 각 레인지에 상응하는 유압을 공급할 수 있도록 형성됨이 바람직하다.That is, the cam 1 is connected to the lever 3 so as to be rotatable by the range selection operation force of the shift lever, as shown in FIG. 2, and the hydraulic pressure corresponding to each range when the shift lever selects a range. It is preferable that it is formed to be able to supply.

상기와 같은 캠(1)은 레버(3)에 고정 연결되는 회전축(5)을 개재하여 하우징(7)내에서 회전가능하게 장착되며, 이 하우징(7)은 일측으로 라인업이 유입되고 이렇게 유입된 라인압을 다른 일측 복수의 개소로 공급 및 차단할 수 있도록 유입 포트(9)와 복수의 공급 포트(11)를 형성하고 있다.The cam 1 as described above is rotatably mounted in the housing 7 via a rotation shaft 5 fixedly connected to the lever 3, and the housing 7 is lined up to one side and thus introduced. An inflow port 9 and a plurality of supply ports 11 are formed so that the line pressure can be supplied to and disconnected from a plurality of locations on the other side.

이 유입 포트(9)와 공급 포트(11)를 형성하고 있는 하우징(9)에는 이들 유입 포트(9)를 캠(1)의 회전에 따라 각 레인지에 상응하는 공급 포트(11)에 선택적으로 연통시키는 포트 제어수단으로 복수의 볼(13)이 탄성부재(15)에 의하여 지지된 상태로 내장되어 있다.The inflow port 9 and the housing 9 forming the supply port 11 are selectively communicated with the inflow port 9 to the supply port 11 corresponding to each range according to the rotation of the cam 1. The plurality of balls 13 are built in a state supported by the elastic member 15 as a port control means.

이 볼(13)은 상기 공급 포트(11)를 독립적으로 개폐시켜 유입포트(9)에 연통시킬 수 있도록 공급 포트(11)의 개수와 동일한 개수로 제공되고, 탄성부재(15) 역시 동일 개수로 제공되어 각 볼(13)을 독립적으로 지지하는 구조를 갖는다.The balls 13 are provided in the same number as the number of the supply port 11 so that the supply port 11 can be opened and closed independently to communicate with the inflow port 9, the elastic member 15 is also the same number It is provided and has a structure for supporting each ball 13 independently.

따라서 상기 볼(13)은 탄성부재(15)에 의하여 공급 포트(11)들을 항상 폐쇄시키는 상태를 유지하고 캠(1)의 회전 작용력에 의하여 공급 포트(11)를 개방시켜 유입 포트(9)에 연통시킬 수 있도록 이루어져 있으며, 변속 레버가 선택할 수 있는 레인지의 개수와 동일한 개수로 설치된다.Therefore, the ball 13 maintains the state in which the supply port 11 is always closed by the elastic member 15 and opens the supply port 11 by the rotational action of the cam 1 to the inlet port 9. It is designed to communicate, and the shift lever is installed in the same number as the selectable range.

상술한 바와 같이 구성되는 자동변속기용 매뉴얼 밸브는 변속 레버의 작동에 따라 레버(5)가 회전 운동한다.In the manual valve for an automatic transmission configured as described above, the lever 5 rotates in accordance with the operation of the shift lever.

이에 따라 레버(5)에 연결된 회전축(5)이 회전하면서 이에 고정된 캠(1)이 회전하면서 변속 레버가 선택한 레인지로 라인압 공급을 제어하는 볼(11)에 작용력을 가하여 공급 포트(11) 중 한 포트(11)를 유입 포트(9)에 연통시켜 라인압을 공급케 한다.Accordingly, as the rotary shaft 5 connected to the lever 5 rotates, the cam 1 fixed thereto rotates and a force is applied to the ball 11 that controls the line pressure supply to the range selected by the shift lever, thereby supplying the supply port 11. One port 11 is connected to the inflow port 9 to supply the line pressure.

상기와 같이 볼(11)이 공급 포트(11)를 개방시킬 때에는 탄성부재(15)의 탄성력을 극복하면서 공급 포트(11)를 개방시킨다.As described above, when the ball 11 opens the supply port 11, the supply port 11 is opened while overcoming the elastic force of the elastic member 15.

그리고 변속 레버로 다른 레인지를 선택하게 되면 상기볼(11)에 작용하던 작용력이 해제되므로 탄성부재(15)의 탄성지지력에 의하여 볼(11)이 다시 공급 포트(11)를 폐쇄시켜 유입 포트(9)와의 연통을 차단시킨다.When the other range is selected by the shift lever, the action force acting on the ball 11 is released, and the ball 11 again closes the supply port 11 by the elastic support force of the elastic member 15 so that the inflow port 9 Block communication with).

이와 같이 캠(1)의 회전 조작력으로 매뉴얼 밸브가 각 레인지에 상응하는 라인압을 공급하므로 회전 조작력으로 레인지 접점을 변경하는 인히비터 스위치와의 일체화가 용이하다.Thus, since the manual valve supplies the line pressure corresponding to each range by the rotation operation force of the cam 1, it is easy to integrate with the inhibitor switch which changes the range contact point by the rotation operation force.

상술한 바와 같이 본 발명에 따른 자동 변속기용 매뉴얼 밸브는 변속 레버의 레인지 선택 조작력으로 캠을 회전시키고, 이 캠의 회전력이 포트 제어수단을 제어하여 라인압을 각 레인지에 상응하는 포트로 공급하여 회전 조작으로 라인압의 유로를 변경케 하므로 회전 운동하면서 각 레인지 접점을 변화시키는 인히비터 스위치와 일체화 시킬 수 있다.As described above, the manual valve for an automatic transmission according to the present invention rotates the cam by the range selection operation force of the shift lever, and the rotational force of the cam controls the port control means so that the line pressure is supplied to a port corresponding to each range and rotated. Since the line pressure flow path is changed by operation, it can be integrated with an inhibitor switch that changes each range contact while rotating.

Claims (3)

변속 레버의 레인지 선택 조작력을 전달받아 변속레버가 각 레인지를 선택할 때 각 레인지에 상응하는 포트로 유압을 공급할 수 있도록 형성되고, 레버로 전달되는 조작력에 의하여 회전 가능하도록 형성 설치되는 캠, 이 캠을 회전 가능하도록 지지하며 일측으로 유입되는 라인압을 복수의 개소에 선택적으로 공급 및 차단할 수 있도록 복수의 포트들을 형성한 하우징, 상기 캠의 회전운동에 따라 작동되어 이 하우징에 형성된 포트들을 각 레인지에 상응하게 선택적으로 연통시키도록 하우징 내의 캠 외주측에 제공되어 캠의 조작력에 의하여 라인압을 공급하도록 하우징에 형성된 포트들을 개폐시킬 수 있도록 제공되는 복수 개의 볼, 이 볼이 포트를 폐쇄시킨 상태를 유지하고 캠의 작용력에 의하여 포트를 연통시키도록 각각의 볼 일측을 독립적으로 지지하는 탄성부재를 포함하는 포트 제어수단을 포함하여 이루어짐을 특징으로 하는 자동변속기용 매뉴얼 밸브.The cam is formed so as to be able to supply hydraulic pressure to a port corresponding to each range when the shift lever selects each range by receiving the range selection operation force of the shift lever, and is formed to be rotatable by the operating force transmitted to the lever. A housing having a plurality of ports formed so as to be rotatable and selectively supply and cut off the line pressure flowing to one side to a plurality of places, and actuated according to the rotational movement of the cam to correspond to the ports formed in the housing for each range. A plurality of balls provided on the outer periphery of the cam in the housing so as to selectively communicate with each other so as to open and close the ports formed in the housing so as to supply the line pressure by the operating force of the cam, the balls keeping the ports closed. One side of each ball is independently connected to communicate the port by the force of cam The manual valve for an automatic transmission, characterized by comprising a support yirueojim port control means including a resilient member. 제1항에 있어서, 볼은 라인압을 공급하도록 형성된 포트의 개수와 동일한 개수로 설치됨을 특징으로 하는 자동변속기용 매뉴얼 밸브.The manual valve for an automatic transmission according to claim 1, wherein the balls are installed in the same number as the ports formed to supply the line pressure. 제1항에 있어서, 볼은 변속 레버가 선택할 수 있는 레인지의 개수와 동일한 개수로 설치됨을 특징으로 하는 자동변속기용 매뉴얼 밸브.The manual valve for an automatic transmission according to claim 1, wherein the balls are installed in the same number as the number of ranges that the shift lever can select.
KR1019960079446A 1996-12-31 1996-12-31 Manual valve for automatic transmission KR100285464B1 (en)

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KR1019960079446A KR100285464B1 (en) 1996-12-31 1996-12-31 Manual valve for automatic transmission

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KR1019960079446A KR100285464B1 (en) 1996-12-31 1996-12-31 Manual valve for automatic transmission

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KR19980060098A KR19980060098A (en) 1998-10-07
KR100285464B1 true KR100285464B1 (en) 2001-06-01

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KR1019960079446A KR100285464B1 (en) 1996-12-31 1996-12-31 Manual valve for automatic transmission

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