以把手壓力探討不同自行車種之把手設計研究

A Study on Handle Design of the Different Bike Form by Handle Contact Pressure

鍾印鈞(Yin-Chun Chung)

指導教授 ： 吳志富

大同大學/設計學院/工業設計學系所/碩士(2007年)

摘要

自行車配件中以把手、座墊與踏板為設計自行車的三個最為重要之人因考量要點，其形狀、尺寸、硬度及之間相對位置與騎乘時操控性、安全性與舒適性有密切的關聯。騎乘時手與把手的接觸極為頻繁，是最容易感到不適的部位；因此本研究採用一多向度調整車架模擬登山車、城市車與淑女車三種騎乘姿勢之自行車車型，配合不同的把手直徑、材質軟硬度與騎乘速度並採用PSM壓力感應系統來進行關於手部各區域壓力之測量；研究分為先期實驗與主實驗，先期實驗目的在了解騎乘時間對於關節角度與車種間的壓力關聯，而主實驗所獲得壓力數據在經由單因子變異數分析與多元迴歸分析後，了解手部各區域壓力趨勢，才能針對有效的手部區域進行把手參數最佳配置，方能設計出符合各車種最舒適的把手。
研究結果顯示，車種手部壓力趨勢為登山車 > 城市車 > 淑女車；隨著騎乘時間的增加，手部壓力以及身體關節角度並不會有顯著性的變化；在把手參數設計方面，登山車把手設計應著重於掌骨II區上半部(掌骨與指骨關節處)、各掌骨的中間部位以及中指、無名指掌骨基部這些區域；城市車把手設計著重區域則是掌骨I區右半部(食指與中指掌骨與指骨關節處)與食指掌骨的中部位置；而淑女車把手設計則著重於掌骨I區(各手指掌骨與指骨關節處)與食指掌骨的中部位置。因此，本研究可以提供往後自行車把手設計一參考依據，讓使用者可配合騎乘車種選購合適之把手，使其在騎乘過程中獲得最高之舒適性。

關鍵字

自行車、車種、把手直徑、把手硬度、壓力量測

並列摘要

The handlebar, saddle and pedal of the bicycle are the three main consideration of human factors on bicycle design. Furthermore, the shape, size, and hardness of them and the related positions between them are closely correlated with the control, safety and comfort of riding a bicycle. The parts most easily feeling uncomfortable are the hand and handlebar of a bicycle when riding it. Therefore, in this study, a multi-position adjustment frame was used to simulate the bicycling attitude of mountain bicycle, city bicycle as well as ladies bicycle with the varying diameter of handlebars, hardness of texture as well as riding speed, and the pressures of various region of the hands were measured by the Pressure Sensitivity Meter(PSM). There are two stages in the study, including the pre-experiment which is to understand the pressure correlation of riding time with the joint angle and the types of bicycle, and the main experiment which is to know the tendency of pressure of every parts of the hand through the ANOVA and Multiple Regression of the pressure. Then the parameter of the handlebar can be allocated optimally in accordance with the hands, and the most comfortable handlebar of bicycles between different types of them can be designed.

This result shows that the trend of hands pressure of mountain bicycle is the highest, and that of ladies bicycle is the lowest. There is no significant change on pressure of the hands and joint angle with the increase of riding time. Then the parameter of handlebar design is analyzed by the pressure distribution of the region. The handlebar design for mountain bicycle should be focused on upper part of metacarpal bone II (region between metacarpal bone and phalanx joint), the central part of each metacarpal bone, and the base of metacarpal bone of middle finger and ring finger; for city bicycle, it is focused on right part of metacarpal bone I (phalanx of middle finger and ring finger, and the joint of metacarpal bone) and central part of metacarpal bone of ring finger; for ladies bicycle, it is focused on metacarpal bone I (the joints between the metacarpal bone and phalanx) and the central part of the middle finger metacarpal bone. Therefore, this study can offer the reference to the future handlebar design of bicycle, to make consumers choice the suitable handlebars in accordance with the types of bicycle and ride a bicycle most comfortably.

並列關鍵字

Bicycle ； Types of bicycle ； Diameter of handlebar ； Hardness of handlebar ； Pressure measurement

參考文獻

19. 王茂駿、王明揚、林昱呈，2002，台灣地區人體計測資料庫手冊，中華民國人因工程學會，頁494-495。

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