TWI653409B - 無段變速器之雙向動力傳輸機構 - Google Patents

無段變速器之雙向動力傳輸機構 Download PDF

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TWI653409B
TWI653409B TW107104517A TW107104517A TWI653409B TW I653409 B TWI653409 B TW I653409B TW 107104517 A TW107104517 A TW 107104517A TW 107104517 A TW107104517 A TW 107104517A TW I653409 B TWI653409 B TW I653409B
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capsule
shaped grooves
shaped
power transmission
power
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TW107104517A
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English (en)
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TW201934904A (zh
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程信霖
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摩特動力工業股份有限公司
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Priority to TW107104517A priority Critical patent/TWI653409B/zh
Priority to CN201910040415.4A priority patent/CN110131375A/zh
Priority to PH12019000032A priority patent/PH12019000032A1/en
Priority to EP19153589.7A priority patent/EP3524852A1/en
Priority to JP2019012883A priority patent/JP2019138468A/ja
Priority to BR102019002055-5A priority patent/BR102019002055A2/pt
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Publication of TWI653409B publication Critical patent/TWI653409B/zh
Publication of TW201934904A publication Critical patent/TW201934904A/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H13/00Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
    • F16H13/10Means for influencing the pressure between the members
    • F16H13/14Means for influencing the pressure between the members for automatically varying the pressure mechanically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H15/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04Gearings providing a continuous range of gear ratios
    • F16H15/06Gearings 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
    • F16H15/26Gearings 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
    • F16H15/28Gearings 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H15/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04Gearings providing a continuous range of gear ratios
    • F16H15/06Gearings 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
    • F16H15/26Gearings 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
    • F16H15/30Gearings 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 internal friction surface
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H15/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/48Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members with members having orbital motion
    • F16H15/50Gearings providing a continuous range of gear ratios
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H15/00Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/48Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members with members having orbital motion
    • F16H15/50Gearings providing a continuous range of gear ratios
    • F16H15/503Gearings providing a continuous range of gear ratios in which two members co-operate by means of balls or rollers of uniform effective diameter, not mounted on shafts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

一種無段變速器之雙向動力傳輸機構,包含:外轉體,具有呈圓環形排列之複數第一半膠囊形凹槽,第一半膠囊形凹槽由中間朝二端部漸縮且呈圓弧形;內轉體,一面具有動力傳輸圓環面,相反面具有呈圓環形排列之複數第二半膠囊形凹槽,第二半膠囊形凹槽由中間朝二端部漸縮且呈圓弧形;圓環體,具有複數滾體及定位圓環體,圓環體設於外轉體與內轉體之間,滾體設於第一半膠囊形凹槽與第二半膠囊形凹槽之間;彈性部,設於外轉體與內轉體之間。藉此,本發明可將動力由無段變速器之動力輸入側傳輸到動力輸出側,亦可由無段變速器之動力輸出側傳回到動力輸入側。

Description

無段變速器之雙向動力傳輸機構
本發明係提供一種無段變速器之雙向動力傳輸機構,尤指一種可將動力由無段變速器之動力輸入側傳輸到動力輸出側,亦可由無段變速器之動力輸出側傳回到動力輸入側者。
中華民國發明專利TWI610038揭露一種設置無段變速器之複數傳動球體及複數驅動桿體的機構,中華民國發明專利TWI571576揭露一種無段變速器之動力傳輸機構。然而,由於TWI571576的動力傳輸機構主要是以淚滴形凹槽傳輸動力,因此TWI571576僅能將動力由無段變速器之動力輸入側單向傳輸到動力輸出側。
因此,如何發明出一種無段變速器之雙向動力傳輸機構,以使其可將動力由無段變速器之動力輸入側傳輸到動力輸出側,亦可由無段變速器之動力輸出側傳回到動力輸入側,將是本發明所欲積極揭露之處。
有鑑於上述習知技術之缺憾,發明人有感其未臻於完善,遂竭其心智悉心研究克服,進而研發出一種無段變速器之雙向動力傳輸機構,以期達到可將動力由無段變速器之動力輸入側傳輸到動力輸出側,亦可由無段變速器之動力輸出側傳回到動力輸入側的目的。
本發明係提供一種無段變速器之雙向動力傳輸機構,其包含:一外轉體,其具有複數第一半膠囊形凹槽,該等第一半膠囊形凹槽呈圓環形排 列,各該第一半膠囊形凹槽由中間朝二端部漸縮且各該第一半膠囊形凹槽呈圓弧形;一內轉體,其一面具有一動力傳遞圓環面,該動力傳遞圓環面用以接觸該無段變速器之複數傳動球體,該內轉體的相反面具有複數第二半膠囊形凹槽,該等第二半膠囊形凹槽呈圓環形排列,各該第二半膠囊形凹槽由中間朝二端部漸縮且各該第二半膠囊形凹槽呈圓弧形;一圓環體,其具有複數滾體及一定位圓環體,該定位圓環體具有複數定位部以分別定位該等滾體,該圓環體設於該外轉體與該內轉體之間,各該滾體設於各該第一半膠囊形凹槽與各該第二半膠囊形凹槽之間;以及一彈性部,其設於該外轉體與該內轉體之間。
本發明的一實施例中,該彈性部具有一螺旋彈簧及一支撐圓環體,該外轉體具有一圓環形定位槽,該圓環形定位槽與該等第一半膠囊形凹槽位於該外轉體的同一面,該內轉體呈圓環形,該內轉體的內環面具有一圓環形內凸台,該支撐圓環體設於該圓環形內凸台上,該螺旋彈簧的二端部分別設於該圓環形定位槽及該支撐圓環體。
本發明的一實施例中,該外轉體具有一動力傳輸軸體及一支撐軸體,該動力傳輸軸體與該支撐軸體分別位於該外轉體相反的二面,該支撐軸體與該等第一半膠囊形凹槽位於該外轉體的同一面,該支撐軸體用以樞設於該無段變速器之一座體。
藉此,本發明的無段變速器之雙向動力傳輸機構可將動力由無段變速器之動力輸入側傳輸到動力輸出側,亦可由無段變速器之動力輸出側傳回到動力輸入側。
1‧‧‧外轉體
11‧‧‧第一半膠囊形凹槽
12‧‧‧圓環形定位槽
13‧‧‧動力傳輸軸體
14‧‧‧支撐軸體
2‧‧‧內轉體
21‧‧‧第二半膠囊形凹槽
22‧‧‧動力傳輸圓環面
23‧‧‧圓環形內凸台
3‧‧‧圓環體
31‧‧‧滾體
32‧‧‧定位圓環體
321‧‧‧定位部
4‧‧‧彈性部
41‧‧‧螺旋彈簧
42‧‧‧支撐圓環體
5‧‧‧座體
51‧‧‧定位孔
52‧‧‧容置孔
53‧‧‧動力輸入側
54‧‧‧動力輸出側
6‧‧‧傳動球體
7‧‧‧驅動桿體
[圖1]係本發明具體實施例無段變速器之雙向動力傳輸機構之分解示意圖。
[圖2]係本發明具體實施例無段變速器之雙向動力傳輸機構之組合示意圖。
[圖3]係圖2之剖面示意圖。
[圖4]係本發明具體實施例內轉體之第二半膠囊形凹槽之示意圖。
為充分瞭解本發明之目的、特徵及功效,茲藉由下述具體之實施例,並配合所附之圖式,對本發明做一詳細說明,說明如後:請參考圖1至圖4,如圖所示,本發明係提供一種無段變速器之雙向動力傳輸機構,其包含一外轉體1、一內轉體2、一圓環體3及一彈性部4。其中,如圖1、圖3及圖4所示,該內轉體2可呈圓環形,該內轉體2的向內的一面具有一動力傳遞圓環面22,該動力傳遞圓環面22可向該內轉體2的中心傾斜,該動力傳遞圓環面22用以接觸該無段變速器之複數傳動球體6的一側,該內轉體2的向外的一面具有複數第二半膠囊形凹槽21,該等第二半膠囊形凹槽21呈圓環形排列,各該第二半膠囊形凹槽21由中間朝二端部漸縮且各該第二半膠囊形凹槽21呈圓弧形。如圖1及圖3所示,該外轉體1的向內的一面具有複數第一半膠囊形凹槽11,該等第一半膠囊形凹槽11呈圓環形排列,請同時參考圖4,各該第一半膠囊形凹槽11的形狀與各該第二半膠囊形凹槽21的形狀一樣,各該第一半膠囊形凹槽11由中間朝二端部漸縮且各該第一半膠囊形凹槽11呈圓弧形,各該第一半膠囊形凹槽11與各該第二半膠囊形凹槽21相面對。如圖1及圖3所示,該外轉體1可用以樞接於該無段變速器之一座體5的一容置孔52,該等傳動球體6可分別定位於該座體5的複數定位孔51,各該傳動球體6可樞接於一驅動桿體7。如圖1及圖3所示,該圓環體4具有複數滾體31及一定位圓環體 32,該定位圓環體32具有複數定位部321以分別定位該等滾體31,各該定位部321可為一定位槽(或一定位孔),該圓環體3設於該外轉體1與該內轉體2之間,各該滾體31設於各該第一半膠囊形凹槽11與各該第二半膠囊形凹槽21之間。如圖1及圖3所示,該彈性部4頂抵於該外轉體1與該內轉體2之間,以使該內轉體2的動力傳遞圓環面22靠設於該等傳動球體6的一側。
請參考圖1至圖3,如圖所示,本發明之無段變速器之雙向動力傳輸機構可應用於該無段變速器的動力輸入側53及動力輸出側54,該動力輸入側53可連接汽油車的引擎(或電動車的馬達),該動力輸出側54可連接汽油車(或電動車)的車輪。當汽油車開啟油門(或電動車開啟電門)時,引擎(或馬達)所產生的動力會由該無段變速器的動力輸入側53傳輸至動力輸出側54以帶動車輪轉動,此時原本在同一座標系統且相互正對的各該第一半膠囊形凹槽11與各該第二半膠囊形凹槽21會朝相反方向相對移動而錯開,以使各該滾體31由各該第一半膠囊形凹槽11的中間及各該第二半膠囊形凹槽21的中間朝各該第一半膠囊形凹槽11的左方(或右方)及各該第二半膠囊形凹槽21的右方(或左方)移動,進而使該等內轉體2的動力傳遞圓環面22夾制該等傳動球體6。當汽油車(或電動車)在平路或下坡關閉油門(或關閉電門)時,動力傳輸方式會改成車輪所產生的動力由該無段變速器的動力輸出側54傳回至動力輸入側53以帶動引擎(或馬達),此時各該滾體31會由先前的各該第一半膠囊形凹槽11的左方(或右方)及各該第二半膠囊形凹槽21的右方(或左方)移動回各該第一半膠囊形凹槽11的中間及各該第二半膠囊形凹槽21的中間後,之後再移動至各該第一半膠囊形凹槽11的右方(或左方)及各該第二半膠囊形凹槽21的左方(或右方),以使該等內轉體2的動力傳遞圓環面22夾制該等傳動球體6。藉此,本發明的無段變速器之雙向動力傳 輸機構除可將動力由無段變速器之動力輸入側53傳輸到動力輸出側54外,亦可將動力由無段變速器之動力輸出側54傳回到動力輸入側53以使汽油車經由引擎產生引擎煞車或使電動車經由馬達回充電力及產生輔助煞車。
請參考圖1及圖3,如圖所示,本發明的一實施例中,該彈性部4可位於該圓環體3內且可具有一螺旋彈簧41及一支撐圓環體42,該外轉體1可具有一圓環形定位槽12,該圓環形定位槽12與該等第一半膠囊形凹槽11位於該外轉體1的同一面,該內轉體2呈圓環形,該內轉體2的內環面可具有一圓環形內凸台23,該支撐圓環體42設於該圓環形內凸台23上,該螺旋彈簧41的二端部分別設於該圓環形定位槽12及該支撐圓環體42,以使該螺旋彈簧41可穩定地設於該外轉體1與該內轉體2之間。
請參考圖1及圖3,如圖所示,本發明的一實施例中,該外轉體1可具有一動力傳輸軸體13及一支撐軸體14,該動力傳輸軸體13與該支撐軸體14分別位於該外轉體1相反的二面,該支撐軸體14與該等第一半膠囊形凹槽11位於該外轉體1的同一面,該支撐軸體14用以樞設於該無段變速器之座體5的容置孔52,以使該外轉體1可穩定地與該無段變速器之座體5組合。
本發明在上文中已以較佳實施例揭露,然熟習本項技術者應理解的是,該實施例僅用於描繪本發明,而不應解讀為限制本發明之範圍。應注意的是,舉凡與該實施例等效之變化與置換,均應設為涵蓋於本發明之範疇內。因此,本發明之保護範圍當以申請專利範圍所界定者為準。

Claims (3)

  1. 一種無段變速器之雙向動力傳輸機構,其包含:一外轉體,其具有複數第一半膠囊形凹槽,該等第一半膠囊形凹槽呈圓環形排列,各該第一半膠囊形凹槽由中間朝二端部漸縮且各該第一半膠囊形凹槽呈圓弧形;一內轉體,其一面具有一動力傳輸圓環面,該動力傳輸圓環面用以接觸該無段變速器之複數傳動球體,該內轉體的相反面具有複數第二半膠囊形凹槽,該等第二半膠囊形凹槽呈圓環形排列,各該第二半膠囊形凹槽由中間朝二端部漸縮且各該第二半膠囊形凹槽呈圓弧形;一圓環體,其具有複數滾體及一定位圓環體,該定位圓環體具有複數定位部以分別定位該等滾體,該圓環體設於該外轉體與該內轉體之間,各該滾體設於各該第一半膠囊形凹槽與各該第二半膠囊形凹槽之間;以及一彈性部,其設於該外轉體與該內轉體之間。
  2. 如請求項1所述之無段變速器之雙向動力傳輸機構,其中該彈性部具有一螺旋彈簧及一支撐圓環體,該外轉體具有一圓環形定位槽,該圓環形定位槽與該等第一半膠囊形凹槽位於該外轉體的同一面,該內轉體呈圓環形,該內轉體的內環面具有一圓環形內凸台,該支撐圓環體設於該圓環形內凸台上,該螺旋彈簧的二端部分別設於該圓環形定位槽及該支撐圓環體。
  3. 如請求項1所述之無段變速器之雙向動力傳輸機構,其中該外轉體具有一動力傳輸軸體及一支撐軸體,該動力傳輸軸體與該支撐軸體分別位於該外轉體相反的二面,該支撐軸體與該等第一半膠囊形凹槽位於該外轉體的同一面,該支撐軸體用以樞設於該無段變速器之一座體。
TW107104517A 2018-02-08 2018-02-08 無段變速器之雙向動力傳輸機構 TWI653409B (zh)

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CN201910040415.4A CN110131375A (zh) 2018-02-08 2019-01-16 无段变速器的双向动力传输机构
PH12019000032A PH12019000032A1 (en) 2018-02-08 2019-01-23 Bidirectional power transfer mechanism for continuously variable transmission
EP19153589.7A EP3524852A1 (en) 2018-02-08 2019-01-24 Bidirectional power transfer mechanism for continuously variable transmission
JP2019012883A JP2019138468A (ja) 2018-02-08 2019-01-29 無段変速機の双方向動力伝達機構
BR102019002055-5A BR102019002055A2 (pt) 2018-02-08 2019-01-31 Mecanismo de transferência de potência bidirecional para transmissão continuamente variável

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US8398518B2 (en) * 2008-06-23 2013-03-19 Fallbrook Intellectual Property Company Llc Continuously variable transmission
WO2016168439A1 (en) * 2015-04-17 2016-10-20 Dana Limited Passive centrifugal hydraulic clamping for high-speed continuously variable planetary operation
TWI571576B (zh) * 2015-09-21 2017-02-21 Linear gear transmission mechanism
TWI611123B (zh) * 2016-08-24 2018-01-11 線性排檔基座及包含其之線性排檔機構
TWI648494B (zh) * 2017-02-07 2019-01-21 摩特動力工業股份有限公司 Stepless speed change mechanism
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