CN102094910B - 一种双向离合器 - Google Patents

一种双向离合器 Download PDF

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CN102094910B
CN102094910B CN201110025639A CN201110025639A CN102094910B CN 102094910 B CN102094910 B CN 102094910B CN 201110025639 A CN201110025639 A CN 201110025639A CN 201110025639 A CN201110025639 A CN 201110025639A CN 102094910 B CN102094910 B CN 102094910B
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piston
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CN102094910A (zh
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王河
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Dai Yan
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Abstract

本发明公开了一种双向离合器，采用的技术方案是：所述活塞的内腔中装有压缩弹簧，所述压缩弹簧的一端与顶杆相连，另一端与顶盖相连；所述输入端开有至少两个径向槽，所述径向槽中装有与活塞表面形状相配合、能做径向移动的斜块，所述斜块中装有能够绕自身轴线旋转的滚柱，所述斜块与滚柱由扭转弹簧保持在所述径向槽中；所述输出端的内腔包括至少2段曲线，每段曲线包括与所述滚柱半径相等的A弧线和与所述A弧线部分相切且曲率半径逐渐变大的B曲线部分。本发明的有益效果在于：正反两个旋向都能结合与分离；输入端和输出端可以相互转换；在运转过程中结合与分离平稳无冲击；结合和分离状态都没有摩擦损耗。

Description

一种双向离合器
技术领域
本发明涉及一种离合器，尤其涉及一种在运转过程中能自动结合与分离的双向离合器。
背景技术
通常机械离合器的结合方式分为嵌入式和摩擦式两种。嵌入式的离合器结合有冲击，不适应运转过程中的结合；摩擦式的结合过程平稳，但是其摩擦损耗大，而且所传递的扭矩小，离合器外形尺寸大。
发明内容
本发明的目的就是针对现有技术的缺点，而提供一种外形尺寸小、在运转过程中能平稳结合与分离、且没有摩擦损耗的双向离合器，采用的技术方案是： 一种双向离合器，包括输入端和输出端，在输入端的内腔中有活塞，所述活塞在液压油作用下轴向移动，其特征在于：所述活塞的内腔中装有压缩弹簧，所述压缩弹簧的一端与顶杆相连，另一端与顶盖相连；所述输入端开有至少2个径向槽，所述径向槽中装有与活塞表面形状相配合、能做径向移动的斜块，所述斜块中装有能够绕自身轴线旋转的滚柱，所述斜块与滚柱由扭转弹簧保持在所述径向槽中；所述输出端的内腔包括至少2段曲线，每段曲线包括与所述滚柱半径相等的A弧线和与所述A弧线部分相切且曲率半径逐渐变大的B曲线部分。
本发明的技术方案还有：所述径向槽的个数是3个。
本发明的技术方案还有：所述活塞为锥形活塞。
本发明的技术方案还有：所述输入端和输出端之间有轴承。
本发明的技术方案还有：所述斜块的限位孔中有限位柱，所述限位柱的外侧与所述扭转弹簧相接触。
本发明的有益效果在于：正反两个旋向都能结合与分离；输入端和输出端可以相互转换；在运转过程中结合与分离平稳无冲击；结合和分离状态都没有摩擦损耗；可广泛应用于各种机械类的扭矩传递，速度转换，速度逆转等工况。
附图说明
附图1是本离合器的结构示意图，附图2是附图1的D-D向视图。其中，1是输入端，2是锥形活塞，3是压缩弹簧，4是扭转弹簧，5是斜块，6是滚柱卡簧，7是滚柱，8是输出端，9是顶杆，10是顶盖，11是限位柱，12是限位孔,13是轴承。
具体实施方式
下面结合附图，对本发明进行具体说明。本离合器包括了输入端1和输出端8，在输入端1的内腔中有锥形活塞2，锥形活塞2在液压油作用下能够沿输入端1的轴线方向移动，在锥形活塞2的内腔中装有压缩弹簧3，压缩弹簧3的一端与顶杆9相连，另一端与顶盖10相连。输入端1开有至少2个径向槽，径向槽中装有与锥形活塞2表面形状相配合、能做径向移动的斜块5，斜块5中装有能够绕自身轴线旋转的滚柱7，滚柱7和斜块5由滚柱卡簧6连接在一起，在扭转弹簧4的预紧力作用下斜块5与滚柱7被保持在径向槽内，而在输出端8的内腔包括至少2段曲线，每段曲线包括与滚柱半径相等的A弧线和与A弧线部分相切且曲率半径逐渐变大的B曲线部分。
结合过程中，锥形活塞2在液压油的作用下克服压缩弹簧3的预紧力沿轴向滑动，同时推动斜块5和滚柱7沿径向滑动，伸出输入端1，滚柱7的侧面与输出端1的内腔接触，并在输出端1的的内腔面上滚动，滚动的同时，输入端1和输出端8的转速差不断减小。由于B段为由中间至两端曲率半径渐小的弧形曲线，在滚动过程中输出端1的内腔面始终给滚柱7反方向的挤压力，直到滚柱7滚动到接近输出端1内腔的A段圆弧区域时，而此时输入端1与输出端8的转速已经接近相等，因此滚柱7嵌入到A段区域时不会有冲击。滚柱7嵌入到A段区域后停止滚动，这时离合器完全结合，输入端1正式传递扭矩到输出端8。
离合器完全结合后，输入端1通过滚柱7直接传递扭矩到输出端8，因此传递扭矩大而且没有功率损失；离合器需要分离时，液压油回流，锥形活塞2在压缩弹簧3的作用下回位，斜块5和滚柱7在扭转弹簧4的作用下缩回到输入端1内，离合器分离；离合器分离后，输入端1和输出端8之间只有轴承13联结，因此没有摩擦损耗。
当然，上述说明并非对本发明的限制，本发明也不仅限于上述举例，本技术领域的普通技术人员在本发明的实质范围内所做出的变化、改型、添加或替换，也属于本发明的保护范围。

Claims (4)

1.一种双向离合器，包括输入端和输出端，在输入端的内腔中有活塞，所述活塞在液压油作用下轴向移动，其特征在于：所述活塞为锥形活塞，所述活塞的内腔中装有压缩弹簧，所述压缩弹簧的一端与顶杆相连，另一端与顶盖相连；所述输入端开有至少2个径向槽，所述径向槽中装有与活塞表面形状相配合、能做径向移动的斜块，所述斜块中装有能够绕自身轴线旋转的滚柱，所述斜块与滚柱由扭转弹簧保持在所述径向槽中；所述输出端的内腔包括至少2段曲线，每段曲线包括与所述滚柱半径相等的A弧线和与所述A弧线部分相切且曲率半径逐渐变大的B曲线部分。
2.按照权利要求1所述的双向离合器，其特征在于：所述径向槽的个数是3个。
3.按照权利要求1所述的双向离合器，其特征在于：所述输入端和输出端之间有轴承。
4.按照权利要求1所述的双向离合器，其特征在于：所述斜块的限位孔中有限位柱，所述限位柱的外侧与所述扭转弹簧相接触。
CN201110025639A 2011-01-24 2011-01-24 一种双向离合器 Expired - Fee Related CN102094910B (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB193094A (en) * 1921-10-17 1923-02-19 Massey Sitney Improvements in and relating to clutch mechanism
GB196322A (en) * 1921-11-24 1923-04-24 Louis John Steele Improvements in and relating to electric arc welding applicable for welding studs, tubes or the like to or into metal plates, bodies and the like
GB259793A (en) * 1925-11-25 1926-10-21 Randomtex Dyeing Machine Corp Improvements in or relating to apparatus for coloring portions of yarn in mass
US5360185A (en) * 1992-02-03 1994-11-01 Messier-Bugatti Linear actuator, in particular for driving an aircraft landing gear leg
CN201944140U (zh) * 2011-01-24 2011-08-24 王河 一种双向离合器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB193094A (en) * 1921-10-17 1923-02-19 Massey Sitney Improvements in and relating to clutch mechanism
GB196322A (en) * 1921-11-24 1923-04-24 Louis John Steele Improvements in and relating to electric arc welding applicable for welding studs, tubes or the like to or into metal plates, bodies and the like
GB259793A (en) * 1925-11-25 1926-10-21 Randomtex Dyeing Machine Corp Improvements in or relating to apparatus for coloring portions of yarn in mass
US5360185A (en) * 1992-02-03 1994-11-01 Messier-Bugatti Linear actuator, in particular for driving an aircraft landing gear leg
CN201944140U (zh) * 2011-01-24 2011-08-24 王河 一种双向离合器

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