CN108253020B - 具有间隔子的挠性轴承 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3818—Ball cages formed of unconnected segments
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/418—Details of individual pockets, e.g. shape or ball retaining means
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
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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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/65—Gear shifting, change speed gear, gear box
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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
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- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
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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
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
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Abstract
本发明公开了一种具有间隔子的挠性轴承,包含:一个外环,具有一个滚动沟;一个内环,设于该外环内,并设有一个相对该滚动沟的滚动槽,该滚动沟与该滚动槽构成一个负荷路径;多个滚动件,容设于该负荷路径;多个间隔子,具有一个供该滚动件设置的保持部,每两个间隔子之间具有一个端面相互接触,所述间隔子相互接触的端面分别为一个凹面及一个凸面;借由一个间隔子的凹面与另一个间隔子的凸面之间的滑移,于挠性轴承运行时,间隔子之间能互相调整运转角度,以避免间隔子与外环或内环产生干涉。
Description
技术领域
本发明涉及传动元件技术领域,尤指一种应用于减速机的具有间隔子的挠性轴承。
背景技术
请参阅图1所示为常见应用于谐和式减速机Harmonic Drive的具保持器的挠性轴承,借由该挠性轴承能带动谐和式减速机进行减速输出的效果,该挠性轴承主要由一内环1、一外环2、一环状的保持器3及多个滚动件4构成,该保持器3设有多个容置该滚动件4的容置部,以间隔开各滚动件4,避免滚动件之间产生碰撞而提高运行噪音,但因为该挠性轴承于运转时会产生椭圆状的变形,故当变形时该轴承的外环2就会与该保持器3产生干涉X,而造成运行时不顺畅的问题产生,严重时产生保持器3的磨耗,因此该挠性轴承的设计仍有改良精进的必要。
发明内容
本发明的主要目的在于提供一种于挠性轴承运行时,间隔子之间能互相调整运转角度,避免间隔子与外环或内环产生干涉的具有间隔子的挠性轴承。
基于此,本发明主要采用下列技术手段,来实现上述目的。
一种具有间隔子的挠性轴承,其包含:一个外环,具有一个滚动沟;一个内环,设于该外环内,并设有一个相对该滚动沟的滚动槽,该滚动沟与该滚动槽构成一个负荷路径;多个滚动件,容设于该负荷路径;多个间隔子,具有一个供该滚动件设置的保持部,每两个间隔子之间具有一个端面相互接触,所述间隔子相互接触的端面分别为一个凹面及一个凸面。
进一步,该凸面为弧面,具有一半径;该凹面为弧面,具有一半径,该凸面的半径大于该凹面的半径。
进一步,该保持部具有一个开口,该开口的宽度为滚动件直径的0.9~0.95倍。
进一步,该间隔子为一U形,该保持部内设有两相对应的凹槽,该凹槽保持该滚动件于该保持部。
本发明具有间隔子的挠性轴承通过外环、内环、滚动件、间隔子的结构设计,该外环具有一个滚动沟;该内环设于该外环内,并设有一个相对该滚动沟的滚动槽,该滚动沟与该滚动槽构成一个负荷路径;多个滚动件容设于该负荷路径;多个间隔子具有一个供该滚动件设置的保持部,每两个间隔子之间具有一个端面相互接触,所述间隔子相互接触的端面分别为一个凹面及一个凸面,借此,本发明借由该间隔子的凹面与凸面之间的滑移,于挠性轴承运行时,间隔子之间能互相调整运转角度,以避免间隔子与外环或内环产生干涉。
附图说明
图1为习知技术具有间隔子的挠性轴承的端视图。
图2为本发明具有间隔子的挠性轴承的***图。
图3为本发明具有间隔子的挠性轴承的组合图。
图4为本发明的间隔子的立体图。
图5为本发明的间隔子的侧视图。
图6为本发明具有间隔子的挠性轴承的端视图及局部放大图。
图7为本发明具有间隔子的挠性轴承与谐和式减速机组合图。
【符号说明】
先前技术
1 内环 2 外环
3 保持器 4 滚动件
X 干涉
本发明
1 内环 11 滚动槽
2 外环 21 滚动沟
3 间隔子 31 保持部
311 凹槽 32 凸面
33 凹面 4 滚动件
90 负荷路径 100 挠性轴承
200 谐和式减速机 R1、R2 半径
W 宽度。
具体实施方式
请参阅图2至图7所示,本发明为一种具有间隔子的挠性轴承100,包含:一个外环2,具有一个滚动沟21;一个内环1,设于该外环2内,并设有一个相对该滚动沟21的滚动槽11,该滚动沟21与滚动槽11构成一个负荷路径90;多个滚动件4,容设于该负荷路径90;多个间隔子3,具有一个供该滚动件4设置的保持部31,每两个间隔子3之间具有一个端面相互接触,所述间隔子3相互接触的端面分别为一个凹面33或一个凸面32,该凸面32为弧面,具有一半径R2;该凹面33为弧面,具有一半径R1,该凸面32的半径R2大于该凹面33的半径R1;当该挠性轴承100设置于一谐和式减速机200时,借由该凹面33及凸面32的半径R1、R2设定,能让两个间隔子3相对调整角度,避免间隔子3与外环2或内环1产生干涉,如图6及图7所示;该间隔子3为一U形,该保持部31内设有两个相对应的凹槽311,该凹槽311保持该滚动件4于该保持部31,该保持部31具有一个开口,该开口的宽度W为滚动件4直径的0.9~0.95倍。
除此之外,在本发明的实施例所揭露出的特征技术,于申请之前并未曾见于诸刊物,亦未曾被公开使用,不但具有如上所述功效增进的事实,更具有不可轻忽的附加功效。
以上实施例所揭示用以说明本发明,并非用以限制本发明,故举凡数值的变化与等效元件的置换,仍应隶属本发明的范畴。
Claims (3)
1.一种具有间隔子的挠性轴承,其特征在于,包含:一个外环,具有一个滚动沟;一个内环,设于该外环内,并设有一个相对该滚动沟的滚动槽,该滚动沟与该滚动槽构成一个负荷路径;多个滚动件,容设于该负荷路径;多个间隔子,具有一个供该滚动件设置的保持部,每两个间隔子之间具有一个端面相互接触,所述间隔子相互接触的端面分别为一个凹面及一个凸面,该凸面为弧面,具有一半径;该凹面为弧面,具有一半径,该凸面的半径大于该凹面的半径。
2.如权利要求1所述的具有间隔子的挠性轴承,其特征在于:该保持部具有一个开口,该开口的宽度为滚动件直径的0.9~0.95倍。
3.如权利要求1所述的具有间隔子的挠性轴承,其特征在于:该间隔子为一U形,该保持部内设有两个相对应的凹槽,该凹槽保持该滚动件于该保持部。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611234883.8A CN108253020B (zh) | 2016-12-28 | 2016-12-28 | 具有间隔子的挠性轴承 |
JP2017004030A JP6326514B1 (ja) | 2016-12-28 | 2017-01-13 | 間隔子を備えた可撓性軸受 |
KR1020170008111A KR101895149B1 (ko) | 2016-12-28 | 2017-01-17 | 스페이서를 구비하는 가요성 베어링 |
DE102017101409.8A DE102017101409B4 (de) | 2016-12-28 | 2017-01-25 | Flexibles Lager mit Abstandshaltern |
US15/424,884 US9897144B1 (en) | 2016-12-28 | 2017-02-05 | Flexible bearing comprising spacers |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611234883.8A CN108253020B (zh) | 2016-12-28 | 2016-12-28 | 具有间隔子的挠性轴承 |
JP2017004030A JP6326514B1 (ja) | 2016-12-28 | 2017-01-13 | 間隔子を備えた可撓性軸受 |
KR1020170008111A KR101895149B1 (ko) | 2016-12-28 | 2017-01-17 | 스페이서를 구비하는 가요성 베어링 |
DE102017101409.8A DE102017101409B4 (de) | 2016-12-28 | 2017-01-25 | Flexibles Lager mit Abstandshaltern |
US15/424,884 US9897144B1 (en) | 2016-12-28 | 2017-02-05 | Flexible bearing comprising spacers |
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CN108253020A CN108253020A (zh) | 2018-07-06 |
CN108253020B true CN108253020B (zh) | 2021-08-24 |
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US (1) | US9897144B1 (zh) |
JP (1) | JP6326514B1 (zh) |
KR (1) | KR101895149B1 (zh) |
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DE (1) | DE102017101409B4 (zh) |
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KR102490414B1 (ko) | 2021-01-20 | 2023-01-18 | 정정옥 | 무급유형 베어링. |
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KR101895149B1 (ko) | 2018-09-04 |
DE102017101409B4 (de) | 2023-10-19 |
KR20180084470A (ko) | 2018-07-25 |
CN108253020A (zh) | 2018-07-06 |
DE102017101409A1 (de) | 2018-07-26 |
JP2018112274A (ja) | 2018-07-19 |
JP6326514B1 (ja) | 2018-05-16 |
US9897144B1 (en) | 2018-02-20 |
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