TWI607163B - Linear shift damper structure for exercise training equipment - Google Patents

Linear shift damper structure for exercise training equipment Download PDF

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Publication number
TWI607163B
TWI607163B TW104141249A TW104141249A TWI607163B TW I607163 B TWI607163 B TW I607163B TW 104141249 A TW104141249 A TW 104141249A TW 104141249 A TW104141249 A TW 104141249A TW I607163 B TWI607163 B TW I607163B
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Taiwan
Prior art keywords
screw
metal disc
linear displacement
metal
control member
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TW104141249A
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English (en)
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TW201721036A (zh
Inventor
Jia Min Lai
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Singularityltd
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Priority to TW104141249A priority Critical patent/TWI607163B/zh
Priority to US15/357,094 priority patent/US9878193B2/en
Publication of TW201721036A publication Critical patent/TW201721036A/zh
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Publication of TWI607163B publication Critical patent/TWI607163B/zh

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
    • A63B21/0051—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using eddy currents induced in moved elements, e.g. by permanent magnets
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4047—Pivoting movement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
    • F16F6/005—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid using permanent magnets only
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2208/00—Characteristics or parameters related to the user or player
    • A63B2208/02—Characteristics or parameters related to the user or player posture
    • A63B2208/0228—Sitting on the buttocks
    • A63B2208/0233—Sitting on the buttocks in 90/90 position, like on a chair
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
    • A63B23/03525—Supports for both feet or both hands performing simultaneously the same movement, e.g. single pedal or single handle
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00—Nature of movement
    • F16F2232/02—Rotary
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00—Nature of movement
    • F16F2232/06—Translation-to-rotary conversion
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00—Nature of movement
    • F16F2232/08—Linear

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Description

用於運動訓練器材之線性移位阻尼器結構
本發明與運動訓練器材有關，尤指一種用於運動訓練器材且藉由傳動桿之線性位移產生磁阻力之阻尼器。
在一些運動訓練器材或復健器材中，常設置阻尼器以增加機構作動時的阻力，俾作為訓練之用。常見的阻尼器為壓力缸，例如液壓缸或氣壓缸等，其活塞桿連接於訓練器材的機構上，透過該機構的往復位移帶動活塞桿作動，而該活塞桿受到缸內流體所形成之阻力作用，藉此降低該活塞桿的可動能力；換言之，使用者必須耗費較大的力氣方能令訓練器材的機構作動，進而達到訓練之目的。
惟習知的液壓缸中，由於活塞桿往復地作動，使缸內流體與油封頻繁地摩擦，容易導致高溫而產生油封硬化甚至破裂的情形，造成漏油而降低阻尼效果。另一方面，缸內流體溫度的變化亦將改變流體的物理性質，使其阻尼能力趨於不穩定，因而無法將訓練器材的阻力標準化。
有鑑於此，故如何改進上述問題，即為本發明所欲解決之首要課題。
本發明之主要目的在於提供一種用於運動訓練器材之線性移位阻尼器結構，其藉由一螺套管之線性位移驅動一 金屬圓盤轉動，並利用一永久磁鐵與該金屬圓盤作用產生渦電流而形成磁阻力，達到限制該螺套管及該金屬圓盤動作之目的。
為達前述目的，本發明提供一種用於運動訓練器材之線性移位阻尼器結構，其包括有：一螺桿，界定其處於位置固定之狀態；一金屬圓盤，其設於該螺桿之一端；一螺套管，其與該螺桿相互螺接；其中該螺套管連接於外部裝置，且可受該外部裝置之帶動而產生沿該螺桿之相對線性位移，進而驅動該螺桿連同該金屬圓盤轉動；一控制件，其設於該金屬圓盤之附近，其中該控制件設有一永久磁鐵；一驅動件，用以驅動該控制件移動，藉以改變該控制件與該金屬圓盤之距離。
前述該螺桿與該金屬圓盤以一傳動機構連接，其中該傳動機構可傳遞該螺桿的轉動動作，並進而帶動該金屬圓盤轉動。
而本發明之上述目的與優點，不難從下述所選用實施例之詳細說明與附圖中獲得深入了解。
1‧‧‧螺桿
11‧‧‧單向軸承
2‧‧‧金屬圓盤
3‧‧‧螺套管
31‧‧‧長螺孔
4‧‧‧控制件
41‧‧‧樞接端
42‧‧‧控制端
43‧‧‧永久磁鐵
5‧‧‧基座
51A、51B‧‧‧固定部
52‧‧‧作動空間
53‧‧‧連接件
61‧‧‧彈簧
62‧‧‧馬達
63‧‧‧拉繩
7‧‧‧皮帶輪
71‧‧‧第一輪體
72‧‧‧第二輪體
73‧‧‧皮帶
8‧‧‧運動訓練器材
81‧‧‧拉柄
D‧‧‧轉動方向
F‧‧‧磁力
第1圖為本發明之立體示意圖；第2圖為本發明之立體分解示意圖；第3圖為本發明應用於一運動訓練裝置之示意圖；第4圖為本發明另一實施例之立體示意圖； 第5圖為本發明之動作狀態示意圖；第6、7圖為本發明另一視角之動作狀態示意圖。
請參閱第1、2圖，所示者為本發明提供之用於運動訓練器材之線性移位阻尼器結構，其包括有一螺桿1、一金屬圓盤2、一螺套管3及一控制件4。於本實施例中，該螺桿1樞設於一基座5上而僅得於該基座5上原地樞轉，其中該基座5具有兩個呈間隔設置之固定部51A、51B，兩固定部之間形成有一作動空間52，且兩固定部51A、51B之間以數個連接件53固定連接；該螺桿1以一單向軸承11樞設於其中一個固定部51A上，且以一端伸於該作動空間52中。
承上，該金屬圓盤2設於該作動空間52中，且固定連接於該螺桿1伸入該作動空間52之一端。其中於本實施例中，該金屬圓盤2為鋁合金圓盤。
該螺套管3為一具有長螺孔31之套管，且與該螺桿1相互螺接；藉此，該螺套管3可透過其沿該螺桿1之相對線性位移而驅動該螺桿1產生如第5圖所示之旋轉動作。於應用層面上，該螺套管3乃連接至一可產生動作的外部裝置，例如第3圖所示之運動訓練器材8的拉柄81，當使用者拉動該拉柄81，可拉動該螺套管3產生沿該螺桿1之相對線性位移，則該螺桿1將被該螺套管3驅動而轉動，進而帶動該金屬圓盤2轉動。
於另一實施例中，如第4圖所示，該螺桿1與該金屬 圓盤2乃以一傳動機構連接，其中該傳動機構可傳遞該螺桿1的轉動動作，並進而帶動該金屬圓盤2轉動。具體而言，該傳動機構可為一皮帶輪7，其中該螺桿1連接一第一輪體71，該金屬圓盤2連接一第二輪體72，而該第一輪體71與該第二輪體72以一皮帶73環繞相連。據此，當該螺桿1受該螺套管3帶動轉動時，該第一輪體71隨該螺桿1同步旋轉，且藉由該皮帶73之傳動，令該第二輪體72亦連帶轉動，進而驅動該金屬圓盤2轉動。上述該金屬圓盤2之轉速由該皮帶輪7決定；細言之，其由該第一輪體71與該第二輪體72之輪徑差異決定。
另一方面，如第1圖所示，該金屬圓盤2附近設有一控制件4，其中該控制件4設有永久磁鐵43，藉以令該金屬圓盤2產生磁阻力，因而增加該金屬圓盤2及該螺桿1轉動的阻力，進而增加該螺套管3沿該螺桿1移動之阻力。於本實施例中，如第1、6圖所示，該控制件4設於該作動空間52中，且以其一樞接端41樞設於其中一個連接件53上；而該控制件4之另一端界定為一控制端42，該永久磁鐵43則設於該控制端42處，其中該控制端42伸設於該金屬圓盤2之周緣外，而該控制端42未與該金屬圓盤2相接觸。
藉由上述結構，該控制件4之永久磁鐵43形成有一磁場，而該金屬圓盤2位於此磁場中。當該金屬圓盤2受該螺套管3之線性位移而帶動轉動時，依據冷次定律(Lenz’s Law)，該金屬圓盤2將產生用以抵抗磁通量變化之 渦電流；此渦電流又產生與金屬圓盤2轉動方向D相反之磁力F，進而形成該金屬圓盤2轉動的阻力。據此，對於動作前端的螺套管3及連接該螺套管3之外部裝置而言，驅動其產生動作所遭遇之阻力亦同步增加，使用者必須耗費更大的力量才能加以驅動，因而達到訓練的目的。
再者，由於上述結構中以及阻力的形成過程中，該控制件4皆未與該金屬圓盤2接觸，故不會產生元件相互磨耗而致影響阻尼能力的情形，為本發明之優點所在。
此外，上述之阻力可透過改變該永久磁鐵43與該金屬圓盤2之間的距離而調整之。本發明設有一驅動件，用以驅動該控制件4移動，藉以改變該永久磁鐵43與該金屬圓盤2之距離，進而調整前述渦電流及其所產生之阻力的大小。於本實施例中，如第6、7圖所示，該控制件4與其樞接之連接件53之間設有一彈簧61，藉由該彈簧61常態地將該控制件4之控制端42推向該金屬圓盤2；而該控制端42由一馬達62以一拉繩63連接，該馬達62可經控制而拉動該拉繩63，進而設定該控制端42之位置。據此，可藉由該永久磁鐵43位置的設定而調整阻力值，進而將本發明所能產生的阻力標準化，而具有實際的應用性。
惟，以上實施例之揭示乃用以說明本發明，並非用以限制本發明，故舉凡等效元件之置換仍應隸屬本發明之範疇。
綜上所述，可使熟知本項技藝者明瞭本發明確可達成 前述目的，實已符合專利法之規定，爰依法提出申請。
1‧‧‧螺桿
11‧‧‧單向軸承
2‧‧‧金屬圓盤
3‧‧‧螺套管
4‧‧‧控制件
41‧‧‧樞接端
42‧‧‧控制端
43‧‧‧永久磁鐵
5‧‧‧基座
51A、51B‧‧‧固定部
52‧‧‧作動空間
53‧‧‧連接件

Claims (4)

  1. 一種用於運動訓練器材之線性移位阻尼器結構，其包括有：一螺桿，界定其處於位置固定之狀態；一金屬圓盤，其與該螺桿固定連接；一螺套管，其與該螺桿相互螺接；其中該螺套管連接於一外部裝置，且可受該外部裝置之帶動而產生沿該螺桿之相對線性位移，進而驅動該螺桿連同該金屬圓盤轉動；一控制件，其設於該金屬圓盤之附近，其中該控制件設有一永久磁鐵；一驅動件，用以驅動該控制件移動，藉以改變該控制件與該金屬圓盤之距離。
  2. 如請求項1所述之用於運動訓練器材之線性移位阻尼器結構，其中，該金屬圓盤為鋁合金圓盤。
  3. 如請求項1所述之用於運動訓練器材之線性移位阻尼器結構，其中，該螺桿與該金屬圓盤以一傳動機構連接，該傳動機構可傳遞該螺桿的轉動動作，並進而帶動該金屬圓盤轉動。
  4. 如請求項3所述之用於運動訓練器材之線性移位阻尼器結構，其中，該傳動機構為一皮帶輪。
TW104141249A 2015-12-09 2015-12-09 Linear shift damper structure for exercise training equipment TWI607163B (zh)

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