CN108397529A - 无段变速机构 - Google Patents
无段变速机构 Download PDFInfo
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/40—Gearings providing a continuous range of gear ratios in which two members co-operative by means of balls, or rollers of uniform effective diameter, not mounted on shafts
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/46—Gearings providing a discontinuous or stepped range of gear ratios
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/26—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution
- F16H15/28—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution with external friction surface
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0473—Friction devices, e.g. clutches or brakes
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0487—Friction gearings
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/48—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members with members having orbital motion
- F16H15/50—Gearings providing a continuous range of gear ratios
- F16H15/52—Gearings providing a continuous range of gear ratios in which a member of uniform effective diameter mounted on a shaft may co-operate with different parts of another member
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Abstract
一种无段变速机构,包含:变速框体,具有多个容置孔、多个十字形导引槽及多个导引槽;多个变速单元,分别具有变速球体、变速杆体及变速滑杆;两个斜向支撑单元,分别具有斜向支撑环体、截锥形滚珠环体及斜向支撑体,各该斜向支撑环体具有外倾支撑环面,上述外倾支撑环面分别由上述容置孔的两个开放侧支撑上述变速球体;动力输入转体,具有内倾动力输入夹制环面;动力输出转体,具有内倾动力输出夹制环面,该内倾动力输入夹制环面及该内倾动力输出夹制环面分别由上述容置孔的两个开放侧夹制上述变速球体。
Description
技术领域
本发明涉及一种无段变速机构,尤其涉及一种可以小体积的机构而具有大幅度的无段变速区间且传动效率高,变速时不会产生顿挫的无段变速机构。
背景技术
为使交通工具可调整速度或降低油耗,因此目前的交通工具皆设置有排档机构。一般的排档机构主要通过齿轮组,或齿轮组与油道,然而,由于齿轮组,或齿轮组与油道的机构复杂、体积庞大、排档区间小、传动损耗多且排档时易有顿挫,因此后续便发展出一种两个槽轮配合V型皮带的无段排档机构,然而,由于槽轮与V型皮带的体积仍大且排档区间仍小。因此,如何发明出一种无段变速机构,以使其可以小体积的机构而具有大幅度的无段变速区间且传动效率高,变速时不会产生顿挫,将是本发明所欲积极揭露之处。
发明内容
有鉴于上述现有技术的缺憾,发明人有感其未臻于完善,于是竭其心智悉心研究克服,进而研发出一种无段变速机构,以期达到可以小体积的机构而具有大幅度的无段变速区间且传动效率高,变速时不会产生顿挫的目的。
本发明提供一种无段变速机构,其包含:变速框体,其具有多个容置孔、多个十字形导引槽及多个导引槽,所述容置孔、所述十字形导引槽及所述导引槽分别呈圆环状排列,所述导引槽、所述容置孔及所述十字形导引槽由内而外排列,各该容置孔连通于各该十字形导引槽与各该导引槽之间;多个变速单元,其分别具有变速球体、变速杆体及变速滑杆,各该变速杆体活动穿设于各该变速球体,各该变速滑杆垂直连接于各该变速杆体外露于各该变速球体的一端部,各该变速球体活动容置于各该容置孔且外露于各该容置孔的两个开放侧,各该变速滑杆及各该变速杆体外露于各该变速球体的一端部滑移于各该十字形导引槽,各该变速杆体外露于各该变速球体的另一端部滑移于各该导引槽;两个斜向支撑单元,其分别具有斜向支撑环体、截锥形滚珠环体及斜向支撑体,各该斜向支撑环体具有外倾支撑环面及内倾夹制环面,各该斜向支撑体具有外倾夹制环面,所述斜向支撑体分别连接于该变速框体的两个侧面,各该截锥形滚珠环体夹制于各该内倾夹制环面与各该外倾夹制环面之间,所述外倾支撑环面分别由所述容置孔的两个开放侧支撑所述变速球体;动力输入转体,其具有内倾动力输入夹制环面;以及动力输出转体,其具有内倾动力输出夹制环面,该内倾动力输入夹制环面及该内倾动力输出夹制环面分别由所述容置孔的两个开放侧夹制所述变速球体。
上述的无段变速机构中,该变速框体具有相互连接的两个半变速框体,所述半变速框体分别具有多个半容置孔、多个半十字形导引槽及多个半导引槽,以连接形成所述容置孔、所述十字形导引槽及所述导引槽。
上述的无段变速机构中,各该变速球体内具有两个限位润滑套环及润滑套环,该润滑套环位于所述限位润滑套环之间,各该变速杆体活动穿设所述限位润滑套环及该润滑套环。
上述的无段变速机构中,各该斜向支撑体呈T形,各该斜向支撑体的凸出部穿过各该截锥形滚珠环体及各该斜向支撑环体后连接于该变速框体的侧面。
上述的无段变速机构中,各该斜向支撑体的凸出部具有圆环状排列的多个延伸导引槽以分别连通所述导引槽。
上述的无段变速机构中,该动力输入转体具有第一轴体,该动力输出转体具有第二轴体,该第一轴体及该第二轴体分别枢接所述斜向支撑体。
借此,本发明的无段变速机构可以小体积的机构而具有大幅度的无段变速区间且传动效率高,变速时不会产生顿挫。
附图说明
图1为本发明较佳具体实施例无段变速机构的立体示意图一;
图2为本发明较佳具体实施例无段变速机构的立体示意图二;
图3为本发明较佳具体实施例变速框体的分解示意图一;
图4为本发明较佳具体实施例变速框体的分解示意图二;
图5为本发明较佳具体实施例变速框体及斜向支撑单元的分解示意图一;
图6为本发明较佳具体实施例变速框体及斜向支撑单元的分解示意图二;
图7为本发明较佳具体实施例变速框体及斜向支撑单元的分解示意图三;
图8为本发明较佳具体实施例变速框体及斜向支撑单元的分解示意图四;
图9为图1的剖面示意图;
图10为图9的前侧示意图;
图11为本发明较佳具体实施例圆环形驱动体套设于变速框体的立体示意图。
【符号说明】
1 变速框体
11 半变速框体
12 容置孔
121 半容置孔
13 十字形导引槽
131 半十字形导引槽
14 导引槽
141 半导引槽
2 变速单元
21 变速球体
211 限位润滑套环
212 润滑套环
22 变速杆体
23 变速滑杆
3 斜向支撑单元
31 斜向支撑环体
311 外倾支撑环面
312 内倾夹制环面
32 截锥形滚珠环体
321 滚珠
322 截锥形环体
33 斜向支撑体
331 外倾夹制环面
332 凸出部
3321 延伸导引槽
333 轴承
4 动力输入转体
41 内倾动力输入夹制环面
42 第一轴体
5 动力输出转体
51 内倾动力输出夹制环面
52 第二轴体
6 圆环形驱动体
61 斜向导引孔
具体实施方式
为充分了解本发明的目的、特征及功效,现通过下述具体的实施例,并配合附图,对本发明做进一步详细说明,说明如下:
请参考图1至图10,如图所示,本发明提供一种无段变速机构,其包含变速框体1、多个变速单元2、两个斜向支撑单元3、动力输入转体4及动力输出转体5。其中,该变速框体1可呈汽车的轮框状且其两个侧分别具有圆柱状凹槽,该变速框体1具有多个容置孔12、多个十字形导引槽13及多个导引槽14,上述容置孔12、上述十字形导引槽13及上述导引槽14分别呈圆环状排列,上述导引槽14、上述容置孔12及上述十字形导引槽13沿该变速框体1的径向由内而外排列,各该容置孔12连通于各该十字形导引槽13与各该导引槽14之间,上述容置孔12分别可呈圆形;上述变速单元2分别具有变速球体21、变速杆体22及变速滑杆23,各该变速杆体22活动穿设于各该变速球体21,各该变速滑杆23垂直连接于各该变速杆体22外露于各该变速球体21的一端部,各该变速球体21活动容置于各该容置孔12且外露于各该容置孔12的两个开放侧,各该变速滑杆23及各该变速杆体22外露于各该变速球体21的一端部分别滑移于各该十字形导引槽13的横向部分及纵向部分,且各该变速杆体22外露于各该变速球体21的一端部也会外露于该变速框体1,各该变速杆体22外露于各该变速球体21的另一端部滑移于各该导引槽14;上述斜向支撑单元3分别具有斜向支撑环体31、截锥形滚珠环体32及斜向支撑体33,各该斜向支撑环体31的两个侧面分别具有外倾支撑环面311及内倾夹制环面312,各该斜向支撑体33具有外倾夹制环面331,上述斜向支撑体33分别连接于该变速框体1两个侧面的圆柱状凹槽内,各该截锥形滚珠环体32具有多个滚珠321及截锥形环体322,上述滚珠321间隔活动容置于该截锥形环体322,各该截锥形滚珠环体32夹制于各该内倾夹制环面312与各该外倾夹制环面331之间,上述外倾支撑环面311分别由上述容置孔12的两个开放侧支撑上述变速球体21的内缘;该动力输入转体4具有内倾动力输入夹制环面41;该动力输出转体5具有内倾动力输出夹制环面51,该内倾动力输入夹制环面41及该内倾动力输出夹制环面51分别由上述容置孔12的两个开放侧夹制上述变速球体21的外缘。
请参考图10,如图所示,当该动力输入转体4转动且上述变速滑杆23向右滑移时,上述变速杆体22及上述变速球体21会向右偏转且各该变速杆体22会相对于各该变速球体21滑移,该动力输出转体5便会以相反于该动力输入转体4的转动方向转动,且该动力输出转体5的转速会小于该动力输入转体4的转速,以达到降速的功效;当该动力输入转体4转动且上述变速滑杆23向左滑移时,上述变速杆体22及上述变速球体21会向左偏转且各该变速杆体22会相对于各该变速球体21滑移,该动力输出转体5便会以相反于该动力输入转体4的转动方向转动,且该动力输出转体5的转速会大于该动力输入转体4的转速,以达到升速的功效。
请参考图10,如图所示,上述变速球体21活动夹制于该内倾动力输入夹制环面41、该内倾动力输出夹制环面51及上述外倾支撑环面311之间,因此各该变速球体21仅通过四点夹持,摩擦力小,传动效率高,且变速时不会产生顿挫;另外,该变速框体1、上述变速单元2及上述斜向支撑单元3可通过该动力输入转体4的内倾动力输入夹制环面41及该动力输出转体5的内倾动力输出夹制环面51的夹制而浮动于该动力输入转体4与该动力输出转体5之间,因此该动力输入转体4开始转动时,或该动力输入转体4转动且上述变速单元2偏转时,各个组件仍可保持良好的接触而使得传动效率高;另外,本发明的无段变速机构的上述变速单元2可偏转的幅度大,因此可以小体积的机构而具有大幅度的无段变速区间。
请参考图1至图10,如图所示,上述的无段变速机构中,该变速框体1可具有相互连接的两个半变速框体11,上述半变速框体11分别可具有多个半容置孔121、多个半十字形导引槽131及多个半导引槽141,以连接形成上述容置孔12、上述十字形导引槽13及上述导引槽14。借此,本发明的无段变速机构可便于组装,且各该变速球体21可通过各该变速滑杆23及各该变速杆体22浮动枢接于各该容置孔12内。
请参考图9及图10,如图所示,上述的无段变速机构中,各该变速球体21内可具有两个限位润滑套环211及润滑套环212,各该限位润滑套环211可为自润套环,各该润滑套环212可为自润套环,各该变速杆体22可活动穿设上述限位润滑套环211及该润滑套环212,且各该变速杆体22可通过上述限位润滑套环211及该润滑套环212相对于各该变速球体21滑移并减少摩擦力。
请参考图5至图8,如图所示,上述的无段变速机构中,各该斜向支撑体33可呈T形,各该斜向支撑体33的凸出部332可穿过各该截锥形滚珠环体32及各该斜向支撑环体31后连接于该变速框体1侧面的圆柱状凹槽内。借此,本发明的无段变速机构可便于组装上述变速球体21于该变速框体1。
请参考图5至图8,如图所示,上述的无段变速机构中,各该斜向支撑体33的凸出部332可具有圆环状排列的多个延伸导引槽3321以分别连通上述导引槽14。借此,本发明的无段变速机构可提升上述变速单元2的偏转幅度。
请参考图6、图7、图9及图10,如图所示,上述的无段变速机构中,该动力输入转体4可具有第一轴体42,该动力输出转体5可具有第二轴体52,该第一轴体42及该第二轴体52可分别通过轴承333枢接上述斜向支撑体33。借此,本发明的无段变速机构可进一步使该变速框体1、上述变速单元2及上述斜向支撑单元3稳定连接于该动力输入转体4与该动力输出转体5之间。
请参考图1、图10及图11,如图所示,上述的无段变速机构中,还可包含圆环形驱动体6,该圆环形驱动体6具有多个斜向导引孔61,该圆环形驱动体6可套设于该变速框体1上,上述斜向导引孔61可分别导引上述变速杆体22外露于该变速框体1的一端部。借此,当该圆环形驱动体6相对于该变速框体1顺时针转动或逆时针转动时,上述变速杆体22可分别被上述斜向导引孔61导引而使上述变速杆体22及上述变速球体21向左偏转或向右偏转。
本发明在上文中已以较佳实施例揭露,然而本领域技术人员应理解的是,该实施例仅用于描绘本发明,而不应解读为限制本发明的范围。应注意的是,凡是与该实施例等效的变化与置换,均应设为涵盖于本发明的范畴内。因此,本发明的保护范围当以权利要求书所界定的范围为准。
Claims (6)
1.一种无段变速机构,其特征在于,包含:
变速框体,其具有多个容置孔、多个十字形导引槽及多个导引槽,所述容置孔、所述十字形导引槽及所述导引槽分别呈圆环状排列,所述导引槽、所述容置孔及所述十字形导引槽由内而外排列,各该容置孔连通于各该十字形导引槽与各该导引槽之间;
多个变速单元,其分别具有变速球体、变速杆体及变速滑杆,各该变速杆体活动穿设于各该变速球体,各该变速滑杆垂直连接于各该变速杆体外露于各该变速球体的一端部,各该变速球体活动容置于各该容置孔且外露于各该容置孔的两个开放侧,各该变速滑杆及各该变速杆体外露于各该变速球体的一端部滑移于各该十字形导引槽,各该变速杆体外露于各该变速球体的另一端部滑移于各该导引槽;
两个斜向支撑单元,其分别具有斜向支撑环体、截锥形滚珠环体及斜向支撑体,各该斜向支撑环体具有外倾支撑环面及内倾夹制环面,各该斜向支撑体具有外倾夹制环面,所述斜向支撑体分别连接于该变速框体的两个侧面,各该截锥形滚珠环体夹制于各该内倾夹制环面与各该外倾夹制环面之间,所述外倾支撑环面分别由所述容置孔的两个开放侧支撑所述变速球体;
动力输入转体,其具有内倾动力输入夹制环面;以及
动力输出转体,其具有内倾动力输出夹制环面,该内倾动力输入夹制环面及该内倾动力输出夹制环面分别由所述容置孔的两个开放侧夹制所述变速球体。
2.如权利要求1所述的无段变速机构,其特征在于,该变速框体具有相互连接的两个半变速框体,所述半变速框体分别具有多个半容置孔、多个半十字形导引槽及多个半导引槽,以连接形成所述容置孔、所述十字形导引槽及所述导引槽。
3.如权利要求1所述的无段变速机构,其特征在于,各该变速球体内具有两个限位润滑套环及润滑套环,该润滑套环位于所述限位润滑套环之间,各该变速杆体活动穿设所述限位润滑套环及该润滑套环。
4.如权利要求1所述的无段变速机构,其特征在于,各该斜向支撑体呈T形,各该斜向支撑体的凸出部穿过各该截锥形滚珠环体及各该斜向支撑环体后连接于该变速框体的侧面。
5.如权利要求4所述的无段变速机构,其特征在于,各该斜向支撑体的凸出部具有圆环状排列的多个延伸导引槽以分别连通所述导引槽。
6.如权利要求1所述的无段变速机构,其特征在于,该动力输入转体具有第一轴体,该动力输出转体具有第二轴体,该第一轴体及该第二轴体分别枢接所述斜向支撑体。
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TW106103873 | 2017-02-07 | ||
TW106103873A TWI648494B (zh) | 2017-02-07 | 2017-02-07 | Stepless speed change mechanism |
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EP (1) | EP3358220B1 (zh) |
CN (1) | CN108397529A (zh) |
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DK (1) | DK3358220T3 (zh) |
MX (1) | MX2018000826A (zh) |
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TW201829940A (zh) | 2018-08-16 |
BR102017026701A2 (pt) | 2018-10-30 |
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DK3358220T3 (da) | 2019-09-23 |
US20180223971A1 (en) | 2018-08-09 |
TWI648494B (zh) | 2019-01-21 |
PH12017000369A1 (en) | 2018-10-15 |
MY202183A (en) | 2024-04-15 |
EP3358220B1 (en) | 2019-07-10 |
EP3358220A1 (en) | 2018-08-08 |
RU2681905C1 (ru) | 2019-03-13 |
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