CN108397528A - 无段变速环座驱动机构 - Google Patents

无段变速环座驱动机构 Download PDF

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CN108397528A
CN108397528A CN201710976907.5A CN201710976907A CN108397528A CN 108397528 A CN108397528 A CN 108397528A CN 201710976907 A CN201710976907 A CN 201710976907A CN 108397528 A CN108397528 A CN 108397528A
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variable speed
continuous variable
circular ring
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程信霖
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Motive Power Industry Co Ltd
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Motive Power Industry Co Ltd
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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
    • 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
    • F16H61/66—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 specially adapted for continuously variable gearings
    • F16H61/664—Friction gearings
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

一种无段变速环座驱动机构，包含：圆柱座体，具有圆环形槽，圆环形槽具有圆环形底壁及两个圆环形侧壁，圆环形底壁具有多个轴向导引孔，轴向导引孔容置无段变速杆；多个滚轮，枢设于圆环形底壁及两个圆环形侧壁以部分露出于圆环形槽；无段变速圆环体，容置于圆环形槽，无段变速圆环体的内圆环形面接触圆环形底壁的滚轮，无段变速圆环体的两个侧圆环形面接触两个圆环形侧壁的滚轮，无段变速圆环体具有多个斜向导引孔，无段变速圆环体绕圆柱座体转动时，斜向导引孔导引无段变速杆沿圆柱座体的轴向移动。借此，本发明的摩擦损耗低且变速效率高。

Description

无段变速环座驱动机构
技术领域
本发明涉及一种无段变速环座驱动机构，尤其涉及一种摩擦损耗低且变速效率高的无段变速环座驱动机构。
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，或通过齿轮组与油道，或通过滑轮组与皮带，或通过变速杆偏转变速球体。其中，在通过变速杆偏转变速球体的排档机构中，由于其驱动变速的机构的摩擦损耗多，因此，如何发明出一种无段变速环座驱动机构，以使其可降低摩擦损耗移以提高变速效率，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环座驱动机构，以期达到摩擦损耗低且变速效率高的目的。
本发明提供一种无段变速环座驱动机构，其包含：圆柱座体，其具有圆环形槽，该圆环形槽具有圆环形底壁及两个圆环形侧壁，该圆环形底壁具有多个轴向导引孔，上述轴向导引孔分别用以容置无段变速杆；多个滚轮，其枢设于该圆环形底壁及上述圆环形侧壁以部分露出于该圆环形槽内；以及无段变速圆环体，其活动容置于该圆环形槽，该无段变速圆环体的内圆环形面接触该圆环形底壁的上述滚轮，该无段变速圆环体的两个侧圆环形面分别接触上述圆环形侧壁的上述滚轮，该无段变速圆环体具有多个斜向导引孔，该无段变速圆环体绕该圆柱座体转动时，上述斜向导引孔分别用以导引该无段变速杆沿该圆柱座体的轴向移动。
上述的无段变速环座驱动机构中，该圆柱座体具有相互连接的两个半圆柱座体，上述半圆柱座体分别具有半圆环形底壁、多个半轴向导引孔及该圆环形侧壁。
上述的无段变速环座驱动机构中，还包含驱动源以驱动该无段变速圆环体绕该圆柱座体转动。
上述的无段变速环座驱动机构中，该无段变速圆环体的外圆环形面上设置有至少一个圆弧形驱动齿条，该圆弧形驱动齿条沿该无段变速圆环体的转动方向设置，该驱动源具有至少一个驱动齿轮以啮合于该圆弧形驱动齿条。
借此，本发明的无段变速环座驱动机构的摩擦损耗低且变速效率高。
附图说明
图1为本发明较佳具体实施例无段变速环座驱动机构的分解示意图一；
图2为本发明较佳具体实施例无段变速环座驱动机构的分解示意图二；
图3为本发明较佳具体实施例无段变速环座驱动机构的组合示意图一；
图4为本发明较佳具体实施例无段变速环座驱动机构的组合示意图二；
图5为图3的剖面示意图；
图6为图5的前侧示意图。
【符号说明】
1 圆柱座体
11 半圆柱座体
12 圆环形槽
121 半圆环形槽
13 圆环形底壁
131 半圆环形底壁
14 圆环形侧壁
15 轴向导引孔
151 半轴向导引孔
16 容置孔
161 半容置孔
2 滚轮
3 无段变速圆环体
31 内圆环形面
32 侧圆环形面
33 斜向导引孔
34 驱动齿条
35 外圆环形面
4 无段变速杆
5 无段变速球体
6 驱动源
61 驱动齿轮
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6，如图所示，本发明提供一种无段变速环座驱动机构，其包含圆柱座体1、多个滚轮2及无段变速圆环体3。其中，该圆柱座体1的圆形表面具有圆环形槽12，该圆环形槽12具有圆环形底壁13及两个圆环形侧壁14，上述圆环形侧壁14位于该圆环形底壁13的两侧且由该圆环形底壁13沿该圆柱座体1的径向向外延伸，该圆环形底壁13具有多个轴向导引孔15，上述轴向导引孔15以相同间隔平行排列于该圆环形底壁13，各该轴向导引孔15沿该圆柱座体1的轴向呈狭长形且其径向截面呈十字形，上述轴向导引孔15分别用以容置十字形的无段变速杆4，各该无段变速杆4枢接无段变速球体5；上述滚轮2枢设于该圆环形底壁13及上述圆环形侧壁14，且各该滚轮2的一部分露出于该圆环形槽12内，上述滚轮2以相同间隔排列于该圆环形底壁13，上述滚轮2以相同间隔排列于各该圆环形侧壁14；该无段变速圆环体3活动容置于该圆环形槽12，该无段变速圆环体3的内圆环形面31接触该圆环形底壁13的上述滚轮2，该无段变速圆环体3的两个侧圆环形面32分别接触上述圆环形侧壁14的上述滚轮2，该无段变速圆环体3具有多个斜向导引孔33，上述斜向导引孔33以相同间隔平行排列于该无段变速圆环体3，各该斜向导引孔33倾斜于该无段变速圆环体3的转动轴心且呈狭长形，该无段变速圆环体3绕该圆柱座体1转动时，上述斜向导引孔33分别用以导引该无段变速杆4沿该圆柱座体1的轴向移动，并偏转该无段变速球体5以进行无段变速。
如上所述，请参考图1、图3及图6，如图所示，当该无段变速圆环体3逆时针转动时，各该无段变速杆4由于各该轴向导引孔15及各该斜向导引孔33的导引而会向右移动并向右偏转各该无段变速球体5；当该无段变速圆环体3顺时针转动时，各该无段变速杆4由于各该轴向导引孔15及各该斜向导引孔33的导引而会向左移动并向左偏转各该无段变速球体5。另外，由于该无段变速圆环体3是通过上述滚轮2绕该圆柱座体1转动，因此该无段变速圆环体3与该圆柱座体1之间仅具有滚动摩擦，摩擦损耗小，变速效率高。
请参考图1及图2，如图所示，上述的无段变速环座驱动机构中，该圆柱座体1可具有相互连接的两个半圆柱座体11，上述半圆柱座体11分别具有半圆环形底壁131、多个半轴向导引孔151、多个半容置孔161及该圆环形侧壁14，两个半圆环形底壁131可相互连接形成该圆环形底壁13，两个半轴向导引孔151可相互连接形成该轴向导引孔15以容置该无段变速杆4，两个半容置孔161可相互连接形成容置孔16以容置该无段变速球体5。借此，当该无段变速圆环体3与该圆柱座体1组接时，上述半圆柱座体11可先套入该无段变速圆环体3内再相互连接形成该圆柱座体1，以使该无段变速圆环体3便于与该圆柱座体1组接。
请参考图1至图6，如图所示，上述的无段变速环座驱动机构中，还可包含驱动源6以驱动该无段变速圆环体3绕该圆柱座体1转动。另外，该无段变速圆环体3的外圆环形面35上可设置有至少一个圆弧形驱动齿条34，该圆弧形驱动齿条34沿该无段变速圆环体3的转动方向设置，该驱动源6可具有伺服马达(图中未示)及至少一个驱动齿轮61以啮合于该圆弧形驱动齿条34。借此，本发明的无段变速环座驱动机构可通过该伺服马达带动该驱动齿轮61及该圆弧形驱动齿条34以驱动该无段变速圆环体3绕该圆柱座体1转动。
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 (4)

1.一种无段变速环座驱动机构，其特征在于，包含：
圆柱座体，其具有圆环形槽，该圆环形槽具有圆环形底壁及两个圆环形侧壁，该圆环形底壁具有多个轴向导引孔，所述轴向导引孔分别用以容置无段变速杆；
多个滚轮，其枢设于该圆环形底壁及所述圆环形侧壁以部分露出于该圆环形槽内；以及
无段变速圆环体，其活动容置于该圆环形槽，该无段变速圆环体的内圆环形面接触该圆环形底壁的所述滚轮，该无段变速圆环体的两个侧圆环形面分别接触所述圆环形侧壁的所述滚轮，该无段变速圆环体具有多个斜向导引孔，该无段变速圆环体绕该圆柱座体转动时，所述斜向导引孔分别用以导引该无段变速杆沿该圆柱座体的轴向移动。
2.如权利要求1所述的无段变速环座驱动机构，其特征在于，该圆柱座体具有相互连接的两个半圆柱座体，所述半圆柱座体分别具有半圆环形底壁、多个半轴向导引孔及该圆环形侧壁。
3.如权利要求1所述的无段变速环座驱动机构，其特征在于，还包含驱动源以驱动该无段变速圆环体绕该圆柱座体转动。
4.如权利要求3所述的无段变速环座驱动机构，其特征在于，该无段变速圆环体的外圆环形面上设置有至少一个圆弧形驱动齿条，该圆弧形驱动齿条沿该无段变速圆环体的转动方向设置，该驱动源具有至少一个驱动齿轮以啮合于该圆弧形驱动齿条。
CN201710976907.5A 2017-02-07 2017-10-19 无段变速环座驱动机构 Withdrawn CN108397528A (zh)

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MY193712A (en) 2022-10-26
MX2018000825A (es) 2018-11-09
TW201829941A (zh) 2018-08-16
EP3358221A1 (en) 2018-08-08
US10495197B2 (en) 2019-12-03
RU2665986C1 (ru) 2018-09-05
TWI610038B (zh) 2018-01-01

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