CN112196997A - 用于变速器的换挡致动器 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
- F16H63/16—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism
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- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
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- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
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- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- 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
- F16H63/3069—Interrelationship between two or more final output mechanisms
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- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- 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
- F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
- F16H63/3466—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire using electric motors
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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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/005—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles by locking of wheel or transmission rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2075—Coaxial drive motors
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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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2884—Screw-nut devices
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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
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H2063/3063—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using screw devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F16H2063/3083—Shift finger arrangements, e.g. shape or attachment of shift fingers
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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
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/322—Gear shift yokes, e.g. shift forks characterised by catches or notches for moving the fork
Abstract
一种用于变速器的换挡致动器,包括:螺纹轴;螺母,该螺母螺纹接合螺纹轴并且沿着螺纹轴线性地移动;引导件,该引导件用于引导螺母的运动;控制指状件,该控制指状件与螺母一体地形成;以及第一滑动件和第二滑动件,第一滑动件和第二滑动件设置成彼此平行并且适于被控制指状件选择以便在与螺纹轴的纵向方向平行的轴向方向上线性地可滑动。
Description
技术领域
本公开涉及一种用于车辆的换挡致动器以操纵同步啮合型变速器。
背景技术
本部分的陈述仅提供与本公开相关的背景信息,且可能不构成现有技术。
最近正在研发的电动车辆出于降低成本的目的而开始采用多级变速器。主要被认为用于电动车辆的变速器的这种变速器机构是一种同步啮合型变速器机构。传统地,该同步啮合型变速器机构在手动变速器中使用,以便使用简单的构造来实现高效率的动力传输。
同步啮合型变速器机构被设计成通过线性地移动套筒以便与换挡齿轮接合而执行换挡。
变速器设置有停车功能,以用于防止在停车的状态下变速器的输出轴的旋转。为此,传统的变速器被构造成除了包括用于驱动套筒的换挡操纵机构之外还包括适于操纵停车装置的附加装置。
作为背景技术描述的细节仅旨在用于促进本公开的背景的理解的目的,并且不应解释为本领域普通技术人员先前已知的现有技术的承认。
发明内容
本公开提供了一种用于变速器的换挡致动器,该换挡致动器被构造成具有更简单且紧凑的结构,并且能够改进车辆的燃料效率和电效率,并且也改进了适销性。
在本公开的一个形式中,用于变速器的换挡致动器可包括:可旋转的螺纹轴;螺母,该螺母被构造成螺纹接合螺纹轴并且沿着可旋转的螺纹轴线性地移动;引导件,该引导件被构造成引导螺母;控制指状件,该控制指状件与螺母一体地形成;以及第一滑动件和第二滑动件,该第一滑动件和第二滑动件设置成彼此平行并且适于被控制指状件选择以便在与可旋转的螺纹轴的纵向方向平行的轴向方向上线性地可滑动。特别地,螺母设置有引导孔,引导件设置在该引导孔中,并且引导孔限定了彼此间隔开且彼此平行的两个线性区域。
形成在螺母中的引导孔的两个线性区域在轴向方向上可彼此不对准,并且该引导孔的两个线性区域可在其相邻端部处经由连接区域彼此连接。
连接区域可垂直地连接到两个线性区域的相邻端部,并且引导孔的连接区域和两个线性区域可被构造成具有带有相同宽度的单个连续线形状,使得在引导件设置在引导孔中的状态下当螺母相对于引导件移动时,由引导件引导螺母的运动。
第一滑动件可一体地设置有第一凸耳,并且第二滑动件可一体地设置有第二凸耳。特别地,由于引导孔的连接区域由引导件引导,所以当螺母旋转时,控制指状件在控制指状件与第一凸耳接合的第一状态和控制指状件与第二凸耳接合的第二状态之间切换。
可旋转的螺纹轴可在其一个端部处连接到马达,以便从马达接收旋转力。
在一个形式中,第一滑动件可连接到换挡叉以用于换挡操纵,并且第二滑动件可连接到停车装置以用于实现停车功能。
由本文提供的描述中,其他的适用性领域将变得显而易见。应当理解的是,描述和具体示例仅旨在用于示出的目的,且并不旨在限制本公开的范围。
附图说明
为了可以很好地理解本公开,现将参考附图描述以示例的方式给出的本公开的各种形式,其中:
图1是根据本公开的一个形式的用于变速器的换挡致动器的透视图;
图2是示出了图1的螺纹轴、螺母和引导件的平面视图;
图3是示出了根据本公开的一个形式的换挡致动器的操作的图表;并且
图4A是示出了传统的换挡操纵机构的视图;以及
图4B是示出了根据本公开的一个形式的具有致动器的停车装置操纵机构的视图。
本文所描述的附图仅出于示出的目的,且并非旨在以任何方式限制本公开的范围。
具体实施方式
以下描述在本质上仅是示例性的,且并非旨在限制本公开、应用或用途。应当理解的是,在整个附图中,相应的参考数字指代相同或相应的部件和特征。
参考图1至图3,根据本公开的一个形式的换挡致动器包括:可旋转的螺纹轴1;螺母3,该螺母与螺纹轴1螺纹接合以便沿着螺纹轴1可线性地移动;引导件,该引导件用于引导螺母3的运动;控制指状件7,该控制指状件与螺母3一体地形成;以及第一滑动件9和第二滑动件11,该第一滑动件和第二滑动件设置成彼此平行,并适于被控制指状件7选择以便在与螺纹轴1的纵向方向平行的轴向方向上可线性地滑动。
螺母3设置有引导孔15,引导件5设置在该引导孔中,并且引导孔15限定了彼此间隔开且彼此平行的两个线性区域13。
具体地,根据本公开的一个形式的换挡致动器如下操作。当螺纹轴旋转时,螺母3在由引导孔15和引导件5的协作引导的同时移动。此时,控制指状件7以独立的方式移动第一滑动件9和第二滑动件11,以便使连接到第一滑动件9的装置或连接到第二滑动件11的装置能够线性地移动。
一个马达17连接到螺纹轴1的一个端部,以便向其施加旋转力。因此,当马达17被激活时,控制指状件7可通过其本身在驱动第一滑动件9的状态和驱动第二滑动件11的状态之间切换。因此,可以使用最小数量的部件提供线性运动,以用于彼此独立地操纵连接到第一滑动件9的装置和连接到第二滑动件11的装置。
在一个形式中,形成在螺母3中的引导孔15的两个线性区域13在轴向方向中彼此不对准,并且在其相邻端部处经由连接区域19彼此连接。
如图2所示,连接区域19垂直地连接到两个线性区域13的相邻端部。引导孔15的连接区域19和两个线性区域13被构造成具有带有相同宽度的单个连续线形状,使得在引导件5设置在引导孔15中的状态下当螺母3相对于引导件5移动时,由引导件5引导螺母3的运动。
因此,当螺纹轴1在一个方向上旋转时,引导孔15的一个线性区域13由引导件5引导并线性地移动,并因此螺母3线性地移动。当引导件5到达连接区域19时,由引导件5沿一个方向引导并旋转连接区域19,使得连接区域19不由引导件5限制,然后由引导件5引导并线性地移动引导孔15的另一线性区域13。同时,当螺纹轴1以相反的方向旋转时,螺母3沿着与上述路径相反的路径依次执行线性运动、旋转运动和线性运动。
引导件5可包括固定到变速器壳体等的铰刀螺栓等。
第一滑动件9一体地设置有第一凸耳21,并且第二滑动件11一体地设置有第二凸耳23。由于引导孔15的连接区域19由引导件5引导,所以当螺母3旋转时,控制指状件7可在控制指状件7与第一凸耳21接合的状态和控制指状件7与第二凸耳23接合的状态之间切换。
因此,当在图2中观察时,当上部线性区域13由引导件5引导并因此螺母3线性地移动时,控制指状件7与第一凸耳21接合,并因此使第一滑动件9沿轴向方向线性地移动。当在图2中观察时,当下部线性区域13由引导件5引导并因此螺母3线性地移动时,控制指状件7与第二凸耳23接合,并因此使第二滑动件11沿轴向方向线性地移动。当螺母3中的引导孔15的连接区域19由引导件5引导时,在螺母3旋转的同时控制指状件7在第一凸耳21和第二凸耳23之间移动。
第一滑动件9和第二滑动件11可分别连接到由施加到其的线性运动致动的装置。在该形式中,第一滑动件9连接到换挡叉25以用于换挡操纵,并且第二滑动件11连接到停车装置27以用于实现停车功能。
因此,如图3所示,在控制指状件7与第一凸耳21接合的状态下当螺母3通过螺纹轴1的旋转而线性地移动时,适于实现与第二挡位接合的换挡叉25移动,以便执行与第二挡位的接合并从第二挡位释放。
当引导件5通过螺纹轴1的旋转而定位在引导孔15的连接区域19中时,在连接区域19由引导件5引导的同时螺母3旋转,并因此控制指状件7从第一凸耳21切换到第二凸耳23。
当螺纹轴1在相同方向上进一步旋转时,控制指状件7使第二凸耳23移动,并因此致动连接到第二凸耳23的停车装置27,从而使变速器换挡到停车状态。
为了参考,图3中的①、②和③分别表示图2中的上部线性区域、连接区域和下部线性区域。
由于换挡致动器能够经由彼此分离的凸耳独立地执行换挡操纵和停车操纵,所以可以在结构上降低或防止故障,诸如,同时出现换挡操纵和停车操纵。
为了参考,图4A是示出了传统的换挡操纵机构的视图,并且图4B是示出了根据本公开的一个形式的具有换挡致动器的停车装置操纵机构的视图。
具体地,如图4A所示,传统的换挡操纵机构包括:第一-第三-挡位切换凸耳29,其被构造成导致变速器在第一挡位和第三挡位之间换挡;第二挡位切换凸耳31,其用于导致变速器换挡到第二挡位,第一-第三-挡位控制指状件33,其用于使第一-第三-挡位切换凸耳29线性地移动;以及第二挡位控制指状件35,其用于使第二挡位切换凸耳31线性地移动。因此,必须附加地提供用于驱动第一-第三-挡位控制指状件33的马达和用于驱动第二挡位控制指状件35的马达,并且必须附加地提供用于使适于驱动停车装置27的停车凸耳36和停车控制指状件37移动的附加马达。
相反,尽管根据本公开的换挡致动器附加地设置有用于使第一-第三-挡位切换凸耳29移动的第一-第三-挡位控制指状件33和相关的马达,但第二挡位控制指状件35和停车控制指状件37合并到图4B中的单个控制指状件7中,并且控制指状件7由单个马达17驱动。因此,由于使用更少数量的部件执行换挡操纵和停车操纵,所以可以构造更紧凑的变速器。
从以上描述显而易见的是,由于本公开使得可以构造具有更简单且紧凑结构的变速器,所以可以改进车辆的燃料效率和电效率,并且通过降低其成本也改进了适销性。
此外,可以使用单个驱动源来实现换挡操纵的功能和停车装置的操纵的功能。
尽管出于示出的目的已经描述了本公开的示例性形式,本领域技术人员将认识到在不脱离本公开的范围和精神的前提下可以进行各种修改、附加和替换。
Claims (6)
1.一种用于变速器的换挡致动器,包括:
能旋转的螺纹轴;
螺母,被构造成螺纹接合所述螺纹轴并且沿着能旋转的所述螺纹轴线性地移动;
引导件,被构造成引导所述螺母;
控制指状件,与所述螺母一体地形成;以及
第一滑动件和第二滑动件,设置成彼此平行,其中,所述第一滑动件和所述第二滑动件适于被所述控制指状件选择以便在与能旋转的所述螺纹轴的纵向方向平行的轴向方向上线性地滑动,
其中,所述螺母设置有引导孔,所述引导件设置在所述引导孔中,并且所述引导孔限定了彼此间隔开且彼此平行的两个线性区域。
2.根据权利要求1所述的换挡致动器,其中,所述引导孔的所述两个线性区域在所述轴向方向上彼此不对准,并且所述引导孔的所述两个线性区域在所述两个线性区域的相邻端部处经由连接区域彼此连接。
3.根据权利要求2所述的换挡致动器,其中,所述连接区域垂直地连接到所述两个线性区域的所述相邻端部,并且所述引导孔的所述连接区域和所述两个线性区域被构造成形成具有相同宽度的单个连续线形状,使得在所述引导件设置在所述引导孔中的状态下当所述螺母相对于所述引导件移动时,由所述引导件引导所述螺母。
4.根据权利要求2所述的换挡致动器,其中,所述第一滑动件一体地设置有第一凸耳,并且所述第二滑动件一体地设置有第二凸耳,并且,
其中,由于所述引导孔的所述连接区域由所述引导件引导,所以当所述螺母旋转时,所述控制指状件在所述控制指状件与所述第一凸耳接合的第一状态和所述控制指状件与所述第二凸耳接合的第二状态之间切换。
5.根据权利要求1所述的换挡致动器,其中,能旋转的所述螺纹轴在所述螺纹轴的一个端部处连接到马达,以便从所述马达接收旋转力。
6.根据权利要求1所述的换挡致动器,其中,所述第一滑动件连接到换挡叉以用于换挡操纵,并且所述第二滑动件连接到停车装置以用于实现停车功能。
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