TW202007585A - Bicycle chain providing a bicycle chain having excellent shifting performance - Google Patents
Bicycle chain providing a bicycle chain having excellent shifting performance Download PDFInfo
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- TW202007585A TW202007585A TW108119460A TW108119460A TW202007585A TW 202007585 A TW202007585 A TW 202007585A TW 108119460 A TW108119460 A TW 108119460A TW 108119460 A TW108119460 A TW 108119460A TW 202007585 A TW202007585 A TW 202007585A
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M2009/005—Details of transmission chains specially adapted for bicycles
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Gears, Cams (AREA)
Abstract
Description
本發明係關於一種自行車用鏈條。The present invention relates to a bicycle chain.
於專利文獻1揭示有一種關於自行車用鏈條之技術。鏈條之一對內鏈板由襯套結合。於襯套內插通結合一對外鏈板之銷。
[先前技術文獻]
[專利文獻]
[專利文獻1]美國專利特許第4642078號說明書[Patent Literature 1] Specification of US Patent No. 4642078
[發明所欲解決之問題][Problems to be solved by the invention]
然而,先前之自行車用鏈條就變速性能上仍有改善之餘地。本發明提出一種變速性能優異之自行車用鏈條。 [解決問題之技術手段]However, the previous bicycle chain still has room for improvement in shifting performance. The invention proposes a bicycle chain with excellent shifting performance. [Technical means to solve the problem]
遵從本發明之第1態樣者為一種自行車用鏈條,其具備第1內鏈板、第2內鏈板、第1外鏈板、第2外鏈板、襯套、及銷,且上述第1內鏈板包含:第1內鏈端部,其包含具有第1內鏈中心軸心之第1內鏈開口;第2內鏈端部,其包含具有與上述第1內鏈中心軸心平行延伸之第2內鏈中心軸心的第2內鏈開口;第1內鏈中間部,其連結上述第1內鏈端部及上述第2內鏈端部;第1內鏈面;及第2內鏈面,其於上述第1內鏈中心軸心相關之第1內鏈軸向上配置於與上述第1內鏈面相反側;且上述第2內鏈板包含:第3內鏈端部,其包含具有第3內鏈中心軸心之第3內鏈開口;第4內鏈端部,其包含具有與上述第3內鏈中心軸心平行延伸之第4內鏈中心軸心的第4內鏈開口;第2內鏈中間部,其連結上述第3內鏈端部及上述第4內鏈端部;第3內鏈面,其構成為於上述自行車用鏈條之組裝狀態下,於上述第1內鏈軸向上朝向上述第1內鏈板之上述第1內鏈面;及第4內鏈面,其於上述第3內鏈中心軸心相關之第2內鏈軸向上配置於與上述第3內鏈面相反側;且上述第1外鏈板構成為於上述自行車用鏈條之組裝狀態下,不介隔其他內鏈板或其他外鏈板而與上述第1內鏈板相鄰,上述第1外鏈板包含:第1外鏈端部,其包含具有第1外鏈中心軸心之第1外鏈開口;第2外鏈端部,其包含具有與上述第1外鏈中心軸心平行延伸之第2外鏈中心軸心的第2外鏈開口;第1外鏈中間部,其連結上述第1外鏈端部及上述第2外鏈端部;第1外鏈面;及第2外鏈面,其於上述第1外鏈中心軸心相關之第1外鏈軸向上配置於與上述第1外鏈面相反側;且上述第2外鏈板構成為於上述自行車用鏈條之組裝狀態下,不介隔其他內鏈板或其他外鏈板而與上述第2內鏈板相鄰,上述第2外鏈板包含:第3外鏈端部,其包含具有第3外鏈中心軸心之第3外鏈開口;第4外鏈端部,其包含具有與上述第3外鏈中心軸心平行延伸之第4外鏈中心軸心的第4外鏈開口;第2外鏈中間部,其連結上述第3外鏈端部及上述第4外鏈端部;第3外鏈面,其構成為於上述自行車用鏈條之組裝狀態下,於上述第1外鏈軸向上朝向上述第1外鏈板之上述第1外鏈面;及第4外鏈面,其於上述第3外鏈中心軸心相關之第2外鏈軸向上配置於與上述第3外鏈面相反側;且上述襯套具有襯套開口,且構成為於上述自行車用鏈條之組裝狀態下,插入至上述第1內鏈開口及上述第3內鏈開口,上述銷構成為於上述自行車用鏈條之組裝狀態下,插入至上述第1外鏈開口及上述第3外鏈開口,且通過上述襯套開口,上述第1內鏈端部之上述第2內鏈面係以於上述第1內鏈軸向及上述第1外鏈軸向之至少一者上,於上述第1內鏈端部之上述第2內鏈面與上述第1外鏈端部之上述第1外鏈面之間形成第1軸向空隙之方式,相對於上述第1內鏈中間部之上述第2內鏈面,至少一部分朝向上述自行車用鏈條之軸向中心面偏移。根據上述第1態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。The first aspect according to the present invention is a bicycle chain including a first inner link plate, a second inner link plate, a first outer link plate, a second outer link plate, a bush, and a pin, and the above-mentioned first 1 The inner chain plate includes: the first inner chain end including the first inner chain opening having the first inner chain center axis; the second inner chain end including the first inner chain center axis parallel The second inner chain opening of the center axis of the extended second inner chain; the first inner chain intermediate portion connecting the first inner chain end and the second inner chain end; the first inner chain surface; and the second An inner chain surface, which is arranged on the opposite side to the first inner chain surface in the axial direction of the first inner chain relative to the center axis of the first inner chain; and the second inner chain plate includes: a third inner chain end, It includes a third inner chain opening having a third inner chain center axis; a fourth inner chain end portion including a fourth inner chain center axis extending parallel to the third inner chain center axis Chain opening; the second inner chain middle portion connecting the third inner chain end and the fourth inner chain end; the third inner chain surface, which is configured in the assembled state of the
於遵從上述第1態樣之第2態樣之自行車用鏈條中,上述第3內鏈端部之上述第4內鏈面以於上述第2內鏈軸向及上述第2外鏈軸向之至少一者上,於上述第3內鏈端部之上述第4內鏈面與上述第3外鏈端部之上述第3外鏈面之間形成第2軸向空隙之方式,相對於上述第2內鏈中間部之上述第4內鏈面,至少一部分朝向上述自行車用鏈條之軸向中心面偏移。根據上述第2態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the second aspect of the first aspect, the fourth inner chain surface of the third inner chain end is between the second inner chain axial direction and the second outer chain axial direction In at least one, a second axial gap is formed between the fourth inner chain surface of the third inner chain end and the third outer chain surface of the third outer chain end, relative to the first 2 At least a part of the fourth inner chain surface at the middle portion of the inner chain is shifted toward the axial center surface of the bicycle chain. According to the bicycle chain of the second aspect described above, the wear resistance is improved by the bushing structure, and the axial chain is formed to facilitate the deflection of the bicycle chain, and the transmission performance is excellent.
於遵從上述第1或第2態樣之第3態樣之自行車用鏈條中,上述第1軸向空隙落在0.05 mm~0.15 mm之範圍內。 根據上述第3態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the third aspect of the first or second aspect, the first axial gap falls within the range of 0.05 mm to 0.15 mm. According to the bicycle chain of the third aspect described above, the wear resistance is improved by the bush structure, and by forming the axial gap, the bicycle chain is easily flexed, and the transmission performance is excellent.
於遵從上述第2態樣之第4態樣之自行車用鏈條中,上述第2軸向空隙落在0.05 mm~0.15 mm之範圍內。 根據上述第4態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the fourth aspect of the second aspect, the second axial gap falls within the range of 0.05 mm to 0.15 mm. According to the bicycle chain of the fourth aspect described above, the wear resistance is improved by the bushing structure, and the formation of the axial gap facilitates the deflection of the bicycle chain, and the transmission performance is excellent.
於遵從上述第1~第4態樣中任一者之第5態樣之自行車用鏈條中,上述第1軸向空隙構成為於上述自行車用鏈條之變速操作期間,促進上述自行車用鏈條在上述第1內鏈軸向、上述第2內鏈軸向、上述第1外鏈軸向、及上述第2外鏈軸向之至少一者上之屈曲。根據上述第5態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the fifth aspect of any one of the first to fourth aspects, the first axial gap is configured to promote the bicycle chain to the above during the shifting operation of the bicycle chain Buckling in at least one of the first inner chain axial direction, the second inner chain axial direction, the first outer chain axial direction, and the second outer chain axial direction. According to the fifth aspect of the bicycle chain described above, the wear resistance is improved by the bush structure, and the axial gap is formed to facilitate the deflection of the bicycle chain, and the transmission performance is excellent.
於遵從上述第2或第4態樣之第6態樣之自行車用鏈條中,上述第2軸向空隙構成為於上述自行車用鏈條之變速操作期間,促進上述自行車用鏈條在上述第1內鏈軸向、上述第2內鏈軸向、上述第1外鏈軸向、及上述第2外鏈軸向之至少一者上之屈曲。根據上述第6態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the sixth aspect of the second or fourth aspect, the second axial gap is configured to promote the bicycle chain in the first inner chain during the shifting operation of the bicycle chain Buckling on at least one of the axial direction, the second inner chain axial direction, the first outer chain axial direction, and the second outer chain axial direction. According to the bicycle chain of the sixth aspect described above, the wear resistance is improved by the bush structure, and the axial chain is formed to facilitate the deflection of the bicycle chain, and the transmission performance is excellent.
於遵從上述第1~第6態樣中任一者之第7態樣之自行車用鏈條中,上述第1內鏈板具有第1內鏈縱長方向中心線、及相對於上述第1內鏈縱長方向中心線垂直延伸的第1內鏈橫長方向中心線,第1內鏈距離定義為於上述第1內鏈縱長方向中心線相關之第1內鏈縱長方向上,上述第1內鏈中心軸心與上述第2內鏈中心軸心間的距離,上述第2內鏈板具有第2內鏈縱長方向中心線、及相對於上述第2內鏈縱長方向中心線垂直延伸的第2內鏈橫長方向中心線,第2內鏈距離定義為於上述第2內鏈縱長方向中心線相關之第2內鏈縱長方向上,上述第3內鏈中心軸心與上述第4內鏈中心軸心間的距離,上述第1內鏈距離及上述第2內鏈距離之各者落在9 mm~13 mm之範圍內。根據上述第7態樣之自行車用鏈條,由於驅動效率優異,故較適於自行車之鏈輪間之動力傳遞用之鏈條。In the bicycle chain according to the seventh aspect of any one of the first to sixth aspects, the first inner chain plate has a center line in the longitudinal direction of the first inner chain, and is relative to the first inner chain The longitudinal centerline of the first inner chain extending vertically in the longitudinal centerline, the first inner chain distance is defined as the longitudinal direction of the first inner chain relative to the centerline of the longitudinal direction of the first inner chain, the first The distance between the center axis of the inner chain and the center axis of the second inner chain, the second inner chain plate has a center line in the longitudinal direction of the second inner chain, and extends perpendicular to the center line in the longitudinal direction of the second inner chain The center line of the second inner chain in the horizontal direction, the second inner chain distance is defined as the second inner chain longitudinal direction related to the center line of the second inner chain longitudinal direction, the center axis of the third inner chain is the same as the above The distance between the center axis of the fourth inner chain, each of the first inner chain distance and the second inner chain distance falls within a range of 9 mm to 13 mm. According to the seventh aspect of the bicycle chain described above, since it has excellent driving efficiency, it is more suitable for a chain for power transmission between sprockets of a bicycle.
於遵從上述第1~第7態樣中任一者之第8態樣之自行車用鏈條中,上述第1外鏈板具有第1外鏈縱長方向中心線、及相對於上述第1外鏈縱長方向中心線垂直延伸的第1外鏈橫長方向中心線,第1外鏈距離定義為於上述第1外鏈縱長方向中心線相關之第1外鏈縱長方向上,上述第1外鏈中心軸心與上述第2外鏈中心軸心間的距離,上述第2外鏈板具有第2外鏈縱長方向中心線、及相對於上述第2外鏈縱長方向中心線垂直延伸的第2外鏈橫長方向中心線,第2外鏈距離定義為於上述第2外鏈縱長方向中心線相關之第2外鏈縱長方向上,上述第3外鏈中心軸心與上述第4外鏈中心軸心間的距離,上述第1外鏈距離及上述第2外鏈距離之各者落在9 mm~13 mm之範圍內。根據上述第8態樣之自行車用鏈條,由於驅動效率優異,故較適於自行車之鏈輪間之動力傳遞用之鏈條。In the bicycle chain that complies with the eighth aspect of any one of the first to seventh aspects, the first outer link plate has a longitudinal centerline of the first outer link, and is relative to the first outer link The longitudinal centerline of the first outer chain extending vertically in the longitudinal centerline, the first outer chain distance is defined as the longitudinal direction of the first outer chain relative to the centerline of the longitudinal direction of the first outer chain, the first The distance between the center axis of the outer chain and the center axis of the second outer chain, the second outer chain plate has a center line in the longitudinal direction of the second outer chain, and extends perpendicular to the center line in the longitudinal direction of the second outer chain The center line of the second outer chain in the longitudinal direction, the second outer chain distance is defined as the second outer chain longitudinal direction related to the center line of the second outer chain longitudinal direction, the center axis of the third outer chain is the same as the above The distance between the center axes of the fourth outer chain, each of the first outer chain distance and the second outer chain distance falls within a range of 9 mm to 13 mm. According to the eighth aspect of the bicycle chain described above, since it has excellent driving efficiency, it is more suitable for a chain for power transmission between sprockets of a bicycle.
於遵從上述第1~第8態樣中任一者之第9態樣之自行車用鏈條中,上述銷具有3.6 mm以下之銷外徑。根據上述第9態樣之自行車用鏈條,由於可縮小銷孔,故易於確保外鏈板及內鏈板之剛性。In the bicycle chain complying with the ninth aspect of any one of the first to eighth aspects, the pin has a pin outer diameter of 3.6 mm or less. According to the ninth aspect of the bicycle chain described above, since the pin hole can be reduced, it is easy to ensure the rigidity of the outer chain plate and the inner chain plate.
於遵從上述第9態樣之第10態樣之自行車用鏈條中,上述銷外徑為2.5 mm以上。根據上述第10態樣之自行車用鏈條,可確保銷之剛性。In the bicycle chain that complies with the tenth aspect of the ninth aspect, the outer diameter of the pin is 2.5 mm or more. According to the bicycle chain of the tenth aspect described above, the rigidity of the pin can be ensured.
於遵從上述第1~第10態樣中任一者之第11態樣之自行車用鏈條中,軸向凹部設置於上述第1內鏈中間部之上述第1內鏈面、及上述第2內鏈中間部之上述第3內鏈面之至少一者。根據上述第11態樣之自行車用鏈條,即便因自行車用後鏈輪組裝體之多段化而減小鏈條之寬度,亦可藉由形成軸向凹部而獲得內鏈板間之與鏈輪齒嚙合所需之空間。In the bicycle chain according to the eleventh aspect of any one of the first to tenth aspects, the axial concave portion is provided in the first inner chain surface of the middle portion of the first inner chain and the second inner portion At least one of the third inner chain faces in the middle of the chain. According to the eleventh aspect of the bicycle chain described above, even if the width of the chain is reduced due to the multi-stage bicycle rear sprocket assembly, the axial link can be formed to engage the sprocket teeth between the inner chain plates The space needed.
於遵從上述第1~第11態樣中任一者之第12態樣之自行車用鏈條中,至少1個倒角部設置於上述第1內鏈板、上述第2內鏈板、上述第1外鏈板、及上述第2外鏈板之至少一者。根據上述第12態樣之自行車用鏈條,自行車用鏈條之變速性提高。In the bicycle chain according to the twelfth aspect of any one of the first to eleventh aspects, at least one chamfered portion is provided on the first inner chain plate, the second inner chain plate, the first At least one of the outer link plate and the second outer link plate. According to the bicycle chain of the twelfth aspect described above, the shiftability of the bicycle chain is improved.
遵從本發明之第13態樣者為一種自行車用鏈條,其具備第1內鏈板、第2內鏈板、第1外鏈板、第2外鏈板、襯套、及銷,上述第1內鏈板包含:第1內鏈端部,其包含具有第1內鏈中心軸心之第1內鏈開口;第2內鏈端部,其包含具有與上述第1內鏈中心軸心平行延伸之第2內鏈中心軸心的第2內鏈開口;第1內鏈中間部,其連結上述第1內鏈端部及上述第2內鏈端部;第1內鏈面;及第2內鏈面,其於上述第1內鏈中心軸心相關之第1內鏈軸向上配置於與上述第1內鏈面相反側;且上述第2內鏈板包含:第3內鏈端部,其包含具有第3內鏈中心軸心之第3內鏈開口;第4內鏈端部,其包含具有與上述第3內鏈中心軸心平行延伸之第4內鏈中心軸心的第4內鏈開口;第2內鏈中間部,其連結上述第3內鏈端部及上述第4內鏈端部;第3內鏈面,其構成為於上述自行車用鏈條之組裝狀態下,於上述第1內鏈軸向上朝向上述第1內鏈板之上述第1內鏈面;及第4內鏈面,其於上述第3內鏈中心軸心相關之第2內鏈軸向上配置於與上述第3內鏈面相反側;且上述第1外鏈板構成為於上述自行車用鏈條之組裝狀態下,不介隔其他內鏈板或其他外鏈板而與上述第1內鏈板相鄰,上述第1外鏈板包含:第1外鏈端部,其包含具有第1外鏈中心軸心之第1外鏈開口;第2外鏈端部,其包含具有與上述第1外鏈中心軸心平行延伸之第2外鏈中心軸心的第2外鏈開口;第1外鏈中間部,其連結上述第1外鏈端部及上述第2外鏈端部;第1外鏈面;及第2外鏈面,其於上述第1外鏈中心軸心相關之第1外鏈軸向上配置於與上述第1外鏈面相反側;且上述第2外鏈板構成為於上述自行車用鏈條之組裝狀態下,不介隔其他內鏈板或其他外鏈板而與上述第2內鏈板相鄰,上述第2外鏈板包含:第3外鏈端部,其包含具有第3外鏈中心軸心之第3外鏈開口;第4外鏈端部,其包含具有與上述第3外鏈中心軸心平行延伸之第4外鏈中心軸心的第4外鏈開口;第2外鏈中間部,其連結上述第3外鏈端部及上述第4外鏈端部;第3外鏈面,其構成為於上述自行車用鏈條之組裝狀態下,於上述第1外鏈軸向上朝向上述第1外鏈板之上述第1外鏈面;及第4外鏈面,其於上述第3外鏈中心軸心相關之第2外鏈軸向上配置於與上述第3外鏈面相反側;且上述襯套具有襯套開口,且構成為於上述自行車用鏈條之組裝狀態下,插入至上述第1內鏈開口及上述第3內鏈開口,上述銷構成為於上述自行車用鏈條之組裝狀態下,插入至上述第1外鏈開口及上述第3外鏈開口,且通過上述襯套開口,第1軸向空隙形成於上述第1內鏈軸向及上述第1外鏈軸向之至少一者之上述第1內鏈端部之上述第2內鏈面與上述第1外鏈端部之上述第1外鏈面間,上述第1軸向空隙落在0.05 mm~0.15 mm之範圍內。根據上述第13態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。A thirteenth aspect of the present invention is a bicycle chain including a first inner link plate, a second inner link plate, a first outer link plate, a second outer link plate, a bush, and a pin, the first The inner chain plate includes: a first inner chain end including a first inner chain opening having a first inner chain center axis; a second inner chain end including a first inner chain center axis extending parallel to the first inner chain center axis The second inner chain opening of the center axis of the second inner chain; the middle part of the first inner chain connecting the end of the first inner chain and the end of the second inner chain; the first inner chain surface; and the second inner A chain surface, which is arranged on the opposite side to the first inner chain surface in the axial direction of the first inner chain relative to the center axis of the first inner chain; and the second inner chain plate includes: a third inner chain end, which Contains a third inner chain opening having a third inner chain center axis; a fourth inner chain end, which includes a fourth inner chain having a fourth inner chain center axis extending parallel to the third inner chain center axis Opening; the second inner chain intermediate portion, which connects the third inner chain end and the fourth inner chain end; the third inner chain surface, which is configured in the assembled state of the bicycle chain, in the first The inner chain axially faces the first inner chain surface of the first inner chain plate; and the fourth inner chain surface, which is disposed on the second inner chain axis related to the center axis of the third inner chain in the axial direction of the second inner chain The opposite side of the inner chain surface; and the first outer chain plate is configured to be adjacent to the first inner chain plate without interposing other inner chain plates or other outer chain plates in the assembled state of the
於遵從上述第13態樣之第14態樣之自行車用鏈條中,第2軸向空隙形成於上述第2內鏈軸向及上述第2外鏈軸向之至少一者之上述第3內鏈端部之上述第4內鏈面與上述第3外鏈端部之上述第3外鏈面間,上述第2軸向空隙落在0.05 mm~0.15 mm之範圍內。根據上述第14態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the fourteenth aspect of the thirteenth aspect, the second axial gap is formed on the third inner chain of at least one of the second inner chain axial direction and the second outer chain axial direction Between the fourth inner chain surface at the end and the third outer chain surface at the third outer chain end, the second axial gap falls within a range of 0.05 mm to 0.15 mm. According to the bicycle chain of the 14th aspect described above, the wear resistance is improved by the bush structure, and the axial chain is formed to facilitate the deflection of the bicycle chain, and the transmission performance is excellent.
於遵從上述第13或第14態樣之第15態樣之自行車用鏈條中,上述第1軸向空隙構成為於上述自行車用鏈條之變速操作期間,促進上述自行車用鏈條在上述第1內鏈軸向、上述第2內鏈軸向、上述第1外鏈軸向、及上述第2外鏈軸向之至少一者上之屈曲。根據上述第15態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the fifteenth aspect of the thirteenth or fourteenth aspect, the first axial gap is configured to promote the bicycle chain in the first inner chain during the shifting operation of the bicycle chain Buckling on at least one of the axial direction, the second inner chain axial direction, the first outer chain axial direction, and the second outer chain axial direction. According to the bicycle chain of the fifteenth aspect described above, the wear resistance is improved by the bush structure, and the axial chain is formed to facilitate the deflection of the bicycle chain, and the transmission performance is excellent.
於遵從上述第14態樣之第16態樣之自行車用鏈條中,上述第2軸向空隙構成為於上述自行車用鏈條之變速操作期間,促進上述自行車用鏈條在上述第1內鏈軸向、上述第2內鏈軸向、上述第1外鏈軸向、及上述第2外鏈軸向之至少一者上之屈曲。根據上述第16態樣之自行車用鏈條,藉由襯套構造提高耐磨耗性,且,藉由形成軸向空隙而易於自行車用鏈條之撓曲,且變速性能優異。In the bicycle chain that complies with the sixteenth aspect of the fourteenth aspect, the second axial gap is configured to promote the bicycle chain in the axial direction of the first inner chain during the shifting operation of the bicycle chain, Buckling on at least one of the second inner chain axial direction, the first outer chain axial direction, and the second outer chain axial direction. According to the above-mentioned sixteenth aspect of the bicycle chain, the wear resistance is improved by the bush structure, and by forming the axial gap, the bicycle chain is easily flexed, and the transmission performance is excellent.
於遵從上述第13~第16態樣中任一者之第17態樣之自行車用鏈條中,上述第1內鏈板具有第1內鏈縱長方向中心線、及相對於上述第1內鏈縱長方向中心線垂直延伸的第1內鏈橫長方向中心線,第1內鏈距離定義為於上述第1內鏈縱長方向中心線相關之第1內鏈縱長方向上,上述第1內鏈中心軸心與上述第2內鏈中心軸心間的距離,上述第2內鏈板具有第2內鏈縱長方向中心線、及相對於上述第2內鏈縱長方向中心線垂直延伸的第2內鏈橫長方向中心線,第2內鏈距離定義為於上述第2內鏈縱長方向中心線相關之第2內鏈縱長方向上,上述第3內鏈中心軸心與上述第4內鏈中心軸心間的距離,上述第1內鏈距離及上述第2內鏈距離之各者落在9 mm~13 mm之範圍內。根據上述第17態樣之自行車用鏈條,由於驅動效率優異,故較適於自行車之鏈輪間之動力傳遞用之鏈條。In the bicycle chain according to the seventeenth aspect of any one of the thirteenth to sixteenth aspects, the first inner chain plate has a longitudinal centerline of the first inner chain, and is relative to the first inner chain The longitudinal centerline of the first inner chain extending vertically in the longitudinal centerline, the first inner chain distance is defined as the longitudinal direction of the first inner chain relative to the centerline of the longitudinal direction of the first inner chain, the first The distance between the center axis of the inner chain and the center axis of the second inner chain, the second inner chain plate has a center line in the longitudinal direction of the second inner chain, and extends perpendicular to the center line in the longitudinal direction of the second inner chain The center line of the second inner chain in the horizontal direction, the second inner chain distance is defined as the second inner chain longitudinal direction related to the center line of the second inner chain longitudinal direction, the center axis of the third inner chain is the same as the above The distance between the center axis of the fourth inner chain, each of the first inner chain distance and the second inner chain distance falls within a range of 9 mm to 13 mm. According to the bicycle chain of the 17th aspect described above, since it has excellent driving efficiency, it is more suitable for a chain for power transmission between sprockets of a bicycle.
於遵從上述第13~第17態樣中任一者之第18態樣之自行車用鏈條中,上述第1外鏈板具有第1外鏈縱長方向中心線、及相對於上述第1外鏈縱長方向中心線垂直延伸的第1外鏈橫長方向中心線,第1外鏈距離定義為於上述第1外鏈縱長方向中心線相關之第1外鏈縱長方向上,上述第1外鏈中心軸心與上述第2外鏈中心軸心間的距離,上述第2外鏈板具有第2外鏈縱長方向中心線、及相對於上述第2外鏈縱長方向中心線垂直延伸的第2外鏈橫長方向中心線,第2外鏈距離定義為於上述第2外鏈縱長方向中心線相關之第2外鏈縱長方向上,上述第3外鏈中心軸心與上述第4外鏈中心軸心間的距離,上述第1外鏈距離及上述第2外鏈距離之各者落在9 mm~13 mm之範圍內。根據上述第18態樣之自行車用鏈條,由於驅動效率優異,故較適於自行車之鏈輪間之動力傳遞用之鏈條。In the bicycle chain according to the eighteenth aspect of any one of the thirteenth to seventeenth aspects, the first outer link plate has a longitudinal centerline of the first outer link, and is opposite to the first outer link The longitudinal centerline of the first outer chain extending vertically in the longitudinal centerline, the first outer chain distance is defined as the longitudinal direction of the first outer chain relative to the centerline of the longitudinal direction of the first outer chain, the first The distance between the center axis of the outer chain and the center axis of the second outer chain, the second outer chain plate has a center line in the longitudinal direction of the second outer chain, and extends perpendicular to the center line in the longitudinal direction of the second outer chain The center line of the second outer chain in the longitudinal direction, the second outer chain distance is defined as the second outer chain longitudinal direction related to the center line of the second outer chain longitudinal direction, the center axis of the third outer chain is the same as the above The distance between the center axes of the fourth outer chain, each of the first outer chain distance and the second outer chain distance falls within a range of 9 mm to 13 mm. According to the above-mentioned eighteenth aspect of the bicycle chain, since it has excellent driving efficiency, it is more suitable for a chain for power transmission between sprockets of a bicycle.
於遵從上述第13~第18態樣中任一者之第19態樣之自行車用鏈條中,上述銷具有3.6 mm以下之銷外徑。根據上述第19態樣之自行車用鏈條,由於可縮小銷孔,故易於確保外鏈板及內鏈板之剛性。In the bicycle chain that complies with the 19th aspect of any of the 13th to 18th aspects, the pin has a pin outer diameter of 3.6 mm or less. According to the bicycle chain of the 19th aspect described above, since the pin hole can be reduced, it is easy to ensure the rigidity of the outer chain plate and the inner chain plate.
於遵從上述第19態樣之第20態樣之自行車用鏈條中,上述銷外徑為2.5 mm以上。根據上述第20態樣之自行車用鏈條,可確保銷之剛性。In the bicycle chain that complies with the 20th aspect of the 19th aspect, the outer diameter of the pin is 2.5 mm or more. According to the bicycle chain of the 20th aspect described above, the rigidity of the pin can be ensured.
於遵從上述第13~第20態樣中任一者之第21態樣之自行車用鏈條中,軸向凹部設置於上述第1內鏈中間部之上述第1內鏈面、及上述第2內鏈中間部之上述第3內鏈面之至少一者。根據上述第21態樣之自行車用鏈條,即便因自行車用後鏈輪組裝體之多段化而減小鏈條之寬度,亦可藉由形成軸向凹部而獲得內鏈板間之與鏈輪齒嚙合所需之空間。In the bicycle chain according to the 21st aspect of any one of the 13th to 20th aspects, the axial concave portion is provided in the first inner chain surface of the first inner chain intermediate portion and the second inner portion At least one of the third inner chain faces in the middle of the chain. According to the bicycle chain of the 21st aspect described above, even if the width of the chain is reduced due to the multi-stage bicycle rear sprocket assembly, it is possible to obtain meshing between the inner chain plates and the sprocket teeth by forming an axial recess The space needed.
於遵從上述第13~第21態樣中任一者之第22態樣之自行車用鏈條中,至少1個倒角部設置於上述第1內鏈板、上述第2內鏈板、上述第1外鏈板、及上述第2外鏈板之至少一者。根據上述第22態樣之自行車用鏈條,自行車用鏈條之變速性提高。In the bicycle chain according to the 22nd aspect of any one of the 13th to 21st aspects, at least one chamfered portion is provided on the first inner chain plate, the second inner chain plate, the first At least one of the outer link plate and the second outer link plate. According to the bicycle chain of the 22nd aspect described above, the shiftability of the bicycle chain is improved.
遵從本發明之第23態樣者為一種自行車用鏈條,其具備第1內鏈板、第2內鏈板、第1外鏈板、第2外鏈板、襯套、及銷,且上述第1內鏈板包含:第1內鏈端部,其包含具有第1內鏈中心軸心之第1內鏈開口、及就上述第1內鏈中心軸心於周向上包圍上述第1內鏈開口的第1環狀軸向突出部;第2內鏈端部,其包含具有與上述第1內鏈中心軸心平行延伸之第2內鏈中心軸心的第2內鏈開口、及就上述第2內鏈中心軸心於周向上包圍上述第2內鏈開口的第2環狀軸向突出部;第1內鏈中間部,其連結上述第1內鏈端部及上述第2內鏈端部;第1內鏈面;及第2內鏈面,其於上述第1內鏈中心軸心相關之第1內鏈軸向上配置於與上述第1內鏈面相反側;上述第2內鏈板包含:第3內鏈端部,其包含具有第3內鏈中心軸心之第3內鏈開口;第4內鏈端部,其包含具有與上述第3內鏈中心軸心平行延伸之第4內鏈中心軸心的第4內鏈開口;第2內鏈中間部,其連結上述第3內鏈端部及上述第4內鏈端部;第3內鏈面,其構成為於上述自行車用鏈條之組裝狀態下,於上述第1內鏈軸向上朝向上述第1內鏈板之上述第1內鏈面;及第4內鏈面,其於上述第3內鏈中心軸心相關之第2內鏈軸向上配置於與上述第3內鏈面相反側;且上述第1外鏈板構成為於上述自行車用鏈條之組裝狀態下,不介隔其他內鏈板或其他外鏈板而與上述第1內鏈板相鄰,上述第1外鏈板包含:第1外鏈端部,其包含具有第1外鏈中心軸心之第1外鏈開口;第2外鏈端部,其包含具有與上述第1外鏈中心軸心平行延伸之第2外鏈中心軸心的第2外鏈開口;第1外鏈中間部,其連結上述第1外鏈端部及上述第2外鏈端部;第1外鏈面;及第2外鏈面,其於上述第1外鏈中心軸心相關之第1外鏈軸向上配置於與上述第1外鏈面相反側;且上述第2外鏈板構成為於上述自行車用鏈條之組裝狀態下,不介隔其他內鏈板或其他外鏈板而與上述第2內鏈板相鄰,上述第2外鏈板包含:第3外鏈端部,其包含具有第3外鏈中心軸心之第3外鏈開口;第4外鏈端部,其包含具有與上述第3外鏈中心軸心平行延伸之第4外鏈中心軸心的第4外鏈開口;第2外鏈中間部,其連結上述第3外鏈端部及上述第4外鏈端部;第3外鏈面,其構成為於上述自行車用鏈條之組裝狀態下,於上述第1外鏈軸向上朝向上述第1外鏈板之上述第1外鏈面;及第4外鏈面,其於上述第3外鏈中心軸心相關之第2外鏈軸向上配置於與上述第3外鏈面相反側;且上述襯套具有襯套開口,且構成為於上述自行車用鏈條之組裝狀態下,插入至上述第1內鏈開口及上述第3內鏈開口,且於上述自行車用鏈條之組裝狀態下,與上述第1環狀軸向突出部接觸,上述銷構成為於上述自行車用鏈條之組裝狀態下,插入至上述第1外鏈開口及上述第3外鏈開口。根據上述第23態樣之自行車用鏈條,組裝狀態下之自行車用鏈條之強度提高。A 23rd aspect of the present invention is a bicycle chain including a first inner link plate, a second inner link plate, a first outer link plate, a second outer link plate, a bush, and a pin, and 1 The inner chain plate includes: a first inner chain end portion including a first inner chain opening having a first inner chain center axis, and the first inner chain center axis surrounding the first inner chain opening in the circumferential direction The first annular axial protrusion; the second inner chain end, which includes a second inner chain opening having a second inner chain center axis extending parallel to the first inner chain center axis, and 2 The center axis of the inner chain surrounds the second annular axial protruding portion of the opening of the second inner chain in the circumferential direction; the middle portion of the first inner chain connects the end of the first inner chain and the end of the second inner chain ; The first inner chain surface; and the second inner chain surface, which is arranged on the opposite side to the first inner chain surface in the axial direction of the first inner chain relative to the center axis of the first inner chain; the second inner chain plate Contains: a third inner chain end, which includes a third inner chain opening having a third inner chain center axis; a fourth inner chain end, which includes a fourth inner chain center extending parallel to the third inner chain center axis The fourth inner chain opening of the inner axis of the inner chain; the second inner chain middle portion connecting the third inner chain end and the fourth inner chain end; the third inner chain surface, which is configured for the bicycle In the assembled state of the chain, in the axial direction of the first inner chain toward the first inner chain surface of the first inner chain plate; and the fourth inner chain surface, which is related to the second inner chain center axis of the third inner chain The inner chain is arranged axially on the side opposite to the third inner chain surface; and the first outer chain plate is configured to be in the assembled state of the bicycle chain without intervening other inner chain plates or other outer chain plates. The first inner link plate is adjacent, and the first outer link plate includes: a first outer link end including a first outer link opening having a center axis of the first outer link; a second outer link end including The second outer chain opening of the second outer chain center axis extending parallel to the first outer chain center axis; the first outer chain intermediate portion connecting the first outer chain end and the second outer chain end ; The first outer chain surface; and the second outer chain surface, which is arranged on the opposite side to the first outer chain surface in the axial direction of the first outer chain related to the center axis of the first outer chain; and the second outer chain The plate is configured to be adjacent to the second inner link plate without interposing other inner link plates or other outer link plates in the assembled state of the bicycle chain, the second outer link plate including: a third outer link end , Which includes a third outer chain opening having a third outer chain center axis; a fourth outer chain end, which includes a fourth outer chain center axis extending parallel to the third outer chain center axis The outer chain opening; the second outer chain intermediate portion, which connects the third outer chain end and the fourth outer chain end; the third outer chain surface, which is configured in the assembled state of the bicycle chain, in the above The first outer chain is oriented axially toward the first outer chain surface of the first outer chain plate; and the fourth outer chain surface is disposed on the second outer chain axis related to the center axis of the third outer chain in the axial direction of the second outer chain The third outer chain surface is opposite to the side; and the bushing has a bushing opening, and is configured to the bicycle chain In the assembled state of the bar, inserted into the first inner chain opening and the third inner chain opening, and in the assembled state of the bicycle chain, in contact with the first annular axial protrusion, the pin is configured to In the assembled state of the bicycle chain, the bicycle chain is inserted into the first outer chain opening and the third outer chain opening. According to the bicycle chain of the 23rd aspect described above, the strength of the bicycle chain in the assembled state is improved.
於遵從上述第23態樣之第24態樣之自行車用鏈條中,上述第3內鏈端部包含就上述第3內鏈中心軸心於周向上包圍上述第3內鏈開口的第3環狀軸向突出部,上述第4內鏈端部包含就上述第4內鏈中心軸心於周向上包圍上述第4內鏈開口的第4環狀軸向突出部,上述襯套構成為於上述自行車用鏈條之組裝狀態下,與上述第3環狀軸向突出部接觸。根據上述第24態樣之自行車用鏈條,組裝狀態下之自行車用鏈條之強度進一步提高。In the bicycle chain that complies with the 24th aspect of the 23rd aspect, the third inner chain end includes a third ring that circumferentially surrounds the opening of the third inner chain about the center axis of the third inner chain An axial protrusion, the end of the fourth inner chain includes a fourth annular axial protrusion that circumferentially surrounds the opening of the fourth inner chain with respect to the center axis of the fourth inner chain, and the bush is configured for the bicycle In the assembled state of the chain, it comes into contact with the third annular axial protrusion. According to the bicycle chain of the 24th aspect described above, the strength of the bicycle chain in the assembled state is further improved.
於遵從上述第24態樣之第25態樣之自行車用鏈條中,追加襯套構成為於上述自行車用鏈條之組裝狀態下,插入至上述第2內鏈開口、及上述第4內鏈開口,上述追加襯套構成為於上述自行車用鏈條之組裝狀態下,與上述第2環狀軸向方向突出部及上述第4環狀軸向突出部接觸。根據上述第25態樣之自行車用鏈條,組裝狀態下之自行車用鏈條之強度進一步提高。In the bicycle chain that complies with the 25th aspect of the 24th aspect, an additional bushing is configured to be inserted into the second inner chain opening and the fourth inner chain opening when the bicycle chain is assembled. The additional bushing is configured to be in contact with the second annular axial protrusion and the fourth annular axial protrusion in the assembled state of the bicycle chain. According to the above-mentioned 25th aspect of the bicycle chain, the strength of the bicycle chain in the assembled state is further improved.
於遵從上述第23~第25態樣中任一者之第26態樣之自行車用鏈條中,軸向凹部設置於上述第1內鏈中間部之上述第1內鏈面、及上述第2內鏈中間部之上述第3內鏈面之至少一者。根據上述第26態樣之自行車用鏈條,即便因自行車用後鏈輪組裝體之多段化而減小鏈條之寬度,亦可藉由形成軸向凹部而獲得內鏈板間之與鏈條齒嚙合所需之空間。In the bicycle chain according to the twenty-sixth aspect of any one of the twenty-third to the twenty-fifth aspects, the axial concave portion is provided in the first inner chain surface of the first inner chain intermediate portion and the second inner portion At least one of the third inner chain faces in the middle of the chain. According to the bicycle chain of the 26th aspect described above, even if the width of the chain is reduced due to the multi-segmentation of the bicycle rear sprocket assembly, it is possible to obtain the engagement between the inner chain plates and the chain teeth by forming an axial recess The space needed.
於遵從上述第23~第26態樣中任一者之第27態樣之自行車用鏈條中,至少1個倒角部設置於上述第1內鏈板、上述第2內鏈板、上述第1外鏈板、及上述第2外鏈板之至少一者。根據上述第27態樣之自行車用鏈條,自行車用鏈條之變速性提高。 [發明之效果]In the bicycle chain according to the 27th aspect of any of the 23rd to 26th aspects, at least one chamfered portion is provided on the first inner chain plate, the second inner chain plate, the first At least one of the outer link plate and the second outer link plate. According to the bicycle chain of the 27th aspect described above, the shiftability of the bicycle chain is improved. [Effect of invention]
根據本發明之自行車用鏈條,變速性能優異。According to the bicycle chain of the present invention, the shifting performance is excellent.
<第1實施形態> 參照圖1,對應用自行車用鏈條之人力驅動車進行說明。 於圖1,顯示有自上方觀察人力驅動車之一例即自行車A之圖。此處,人力驅動車意指關於用以行駛之原動力,至少部分使用人力之車輛,且包含以電動輔助人力之車輛。僅使用人力以外之原動力之車輛不包含於人力驅動車。尤其,僅將內燃機用於原動力之車輛不包含於人力驅動車。通常,人力驅動車設想為小型輕便車輛,且設想為於公路上駕駛時無須取得許可之車輛。圖示之人力驅動車包含自行車A。具體而言,人力驅動車為自行車A。自行車A包含傳動鏈B。<First Embodiment> With reference to Fig. 1, a description will be given of a human-powered vehicle using a bicycle chain. In Fig. 1, a view of the bicycle A, which is an example of a human-powered vehicle, is shown from above. Here, a human-powered vehicle means a vehicle that uses human power at least in part with respect to the motive power for driving, and includes a vehicle that assists human power with electric power. Vehicles using only motive power other than manpower are not included in man-powered vehicles. In particular, vehicles that only use internal combustion engines as motive power are not included in human-powered vehicles. Generally, human-powered vehicles are assumed to be small and light vehicles, and vehicles that do not require permission when driving on highways. The human-powered vehicle shown in the picture includes bicycle A Specifically, the human-powered vehicle is bicycle A. Bicycle A contains drive chain B.
傳動鏈B為鏈條傳動類型。傳動鏈B包含自行車用曲柄組裝體C、自行車用鏈輪(以下稱為「鏈輪D」)、及自行車用鏈條10。鏈輪D具有供自行車用鏈條10扣合之鏈輪齒。鏈輪D包含前鏈輪E與後鏈輪F。自行車用曲柄組裝體C包含可旋轉地支持於自行車A之車架之曲軸Ca、及設置於曲軸Ca之兩端部各者之一對曲柄臂Cb。於各曲柄臂Cb之前端,可旋轉地安裝有踏板。Drive chain B is a chain drive type. The transmission chain B includes a bicycle crank assembly C, a bicycle sprocket (hereinafter referred to as "sprocket D"), and a
前鏈輪E以與曲軸Ca一體旋轉之方式設置於曲軸Ca。後鏈輪F設置於後輪之輪轂。自行車用鏈條10捲繞於前鏈輪E及後鏈輪F。藉由搭乘自行車A之使用者施加於踏板之驅動力係經由前鏈輪E、自行車用鏈條10、及後鏈輪F而傳遞至後輪。The front sprocket E is provided on the crankshaft Ca so as to rotate integrally with the crankshaft Ca. The rear sprocket F is provided on the hub of the rear wheel. The
參照圖2~圖7說明自行車用鏈條10。圖6係顯示沿著圖3之VI-VI線之第1實施形態之自行車用鏈條10之剖視圖,且省略輥24及追加輥28之記載。圖7係顯示沿著圖3之VII-VII線之第1實施形態之自行車用鏈條10之剖視圖,且省略輥24及追加輥28之記載。The
如圖2所示,自行車用鏈條10具備第1內鏈板12、第2內鏈板14、第1外鏈板16、第2外鏈板18、襯套20、及銷22。進而較佳為,自行車用鏈條10具備輥24。As shown in FIG. 2, the
如圖3所示,第1內鏈板12包含:第1內鏈端部32,其包含具有第1內鏈中心軸心AX1之第1內鏈開口30;第2內鏈端部36,其包含具有與第1內鏈中心軸心AX1平行延伸之第2內鏈中心軸心AX2的第2內鏈開口34;及第1內鏈中間部38,其連結第1內鏈端部32與第2內鏈端部36。第1內鏈板12進而包含第1內鏈面12A、及於第1內鏈中心軸心AX1相關之第1內鏈軸向DA上配置於與第1內鏈面12A相反側的第2內鏈面12B。As shown in FIG. 3, the first
如圖4所示,第1內鏈板12具有第1內鏈縱長方向中心線LCA、及相對於第1內鏈縱長方向中心線LCA垂直延伸之第1內鏈橫長方向中心線LCB。第1內鏈距離LGA定義為於第1內鏈縱長方向中心線LCA相關之第1內鏈縱長方向DE上,第1內鏈中心軸心AX1與第2內鏈中心軸心AX2間之距離。As shown in FIG. 4, the first
於本實施形態中,第1內鏈縱長方向中心線LCA及第1內鏈橫長方向中心線LCB基於第1內鏈板12而定義。
如圖4所示,第1內鏈縱長方向中心線LCA定義為自沿著第1內鏈軸向DA之方向觀察第1內鏈板12時,沿著第1內鏈板12中之縱長方向延伸之線,且通過第1內鏈中心軸心AX1與第2內鏈中心軸心AX2的線。第1內鏈橫長方向中心線LCB定義為相對於第1內鏈縱長方向中心線LCA垂直交叉,且通過第1內鏈中心軸心AX1與第2內鏈中心軸心AX2間之中間點的線。In the present embodiment, the first inner chain longitudinal center line LCA and the first inner chain horizontal longitudinal center line LCB are defined based on the first
如圖3所示,第2內鏈板14包含:第3內鏈端部42,其包含具有第3內鏈中心軸心AX3之第3內鏈開口40;第4內鏈端部46,其包含具有與第3內鏈中心軸心AX3平行延伸之第4內鏈中心軸心AX4的第4內鏈開口44;及第2內鏈中間部48,其連結第3內鏈端部42與第4內鏈端部46。第2內鏈板14包含:第3內鏈面14A,其構成為於自行車用鏈條10之組裝狀態下,於第1內鏈軸向DA上朝向第1內鏈板12之第1內鏈面12A;及第4內鏈面14B,其於第3內鏈中心軸心AX3相關之第2內鏈軸向DB上配置於與第3內鏈面14A相反側。As shown in FIG. 3, the second
如圖5所示,第2內鏈板14具有第2內鏈縱長方向中心線LCC、及相對於第2內鏈縱長方向中心線LCC垂直延伸之第2內鏈橫長方向中心線LCD。第2內鏈距離LGB定義為於第2內鏈縱長方向中心線LCC相關之第2內鏈縱長方向DF上,第3內鏈中心軸心AX3與第4內鏈中心軸心AX4間之距離。第1內鏈距離LGA及第2內鏈距離LGB各者落在9 mm~13 mm之範圍內。例如,第1內鏈距離LGA及第2內鏈距離LGB之各者設定為12.7 mm或10 mm。As shown in FIG. 5, the second
於本實施形態中,第2內鏈縱長方向中心線LCC及第2內鏈橫長方向中心線LCD基於第2內鏈板14而定義。
如圖5所示,第2內鏈縱長方向中心線LCC定義為自沿著第2內鏈軸向DB之方向觀察第2內鏈板14時,沿著第2內鏈板14中之縱長方向延伸之線,且通過第3內鏈中心軸心AX3與第4內鏈中心軸心AX4的線。第2內鏈橫長方向中心線LCD定義為相對於第2內鏈縱長方向中心線LCC垂直交叉,且通過第3內鏈中心軸心AX3與第4內鏈中心軸心AX4間之中間點的線。In the present embodiment, the second inner chain longitudinal center line LCC and the second inner chain horizontal longitudinal center line LCD are defined based on the second
如圖3所示,於第1內鏈板12及第2內鏈板14之至少一者,設置有朝第1內鏈軸向DA凹陷之軸向凹部15。具體而言,軸向凹部15設置於第1內鏈中間部38之第1內鏈面12A、及第2內鏈中間部48之第3內鏈面14A之至少一者。較佳為,軸向凹部15設置於第1內鏈中間部38之第1內鏈面12A、及第2內鏈中間部48之第3內鏈面14A之兩者。As shown in FIG. 3, at least one of the first
如圖3所示,第1外鏈板16構成為於自行車用鏈條10之組裝狀態下,不介隔其他之內鏈板或其他之外鏈板而與第1內鏈板12相鄰。第1外鏈板16包含:第1外鏈端部52,其包含具有第1外鏈中心軸心BX1之第1外鏈開口50;第2外鏈端部56,其包含具有與第1外鏈中心軸心BX1平行延伸之第2外鏈中心軸心BX2的第2外鏈開口54;及第1外鏈中間部58,其連結第1外鏈端部52與第2外鏈端部56。第1外鏈板16包含第1外鏈面16A、及於第1外鏈中心軸心BX1相關之第1外鏈軸向DC上配置於與第1外鏈面16A相反側的第2外鏈面16B。As shown in FIG. 3, the first
如圖4所示,第1外鏈板16具有第1外鏈縱長方向中心線LCE、及相對於第1外鏈縱長方向中心線LCE垂直延伸之第1外鏈橫長方向中心線LCF。第1外鏈距離LGC定義為於第1外鏈縱長方向中心線LCE相關之第1外鏈縱長方向DG上,第1外鏈中心軸心BX1與第2外鏈中心軸心BX2間之距離。As shown in FIG. 4, the first
於本實施形態中,第1外鏈縱長方向中心線LCE及第1外鏈橫長方向中心線LCF基於第1外鏈板16而定義。
如圖4所示,第1外鏈縱長方向中心線LCE定義為自沿著第1外鏈軸向DC之方向觀察第1外鏈板16時,沿著第1外鏈板16中之縱長方向延伸之線,且通過第1外鏈中心軸心BX1與第2外鏈中心軸心BX2的線。第1外鏈橫長方向中心線LCF定義為相對於第1外鏈縱長方向中心線LCE垂直交叉,且通過第1外鏈中心軸心BX1與第2外鏈中心軸心BX2間之中間點的線。In the present embodiment, the first outer chain longitudinal center line LCE and the first outer chain horizontal longitudinal center line LCF are defined based on the first
如圖3所示,第2外鏈板18構成為於自行車用鏈條10之組裝狀態下,不介隔其他之內鏈板或其他之外鏈板而與第2內鏈板14相鄰。第2外鏈板18包含:第3外鏈端部62,其包含具有第3外鏈中心軸心BX3之第3外鏈開口60;第4外鏈端部66,其包含具有與第3外鏈中心軸心BX3平行延伸之第4外鏈中心軸心BX4的第4外鏈開口64;及第2外鏈中間部68,其連結第3外鏈端部62與第4外鏈端部66。第2外鏈板18包含:第3外鏈面18A,其構成為於自行車用鏈條10之組裝狀態下,於第1外鏈軸向DC上朝向第1外鏈板16之第1外鏈面16A;及第4外鏈面18B,其於第3外鏈中心軸心BX3相關之第2外鏈軸向DD上配置於與第3外鏈面18A相反側。As shown in FIG. 3, the second
如圖5所示,第2外鏈板18具有第2外鏈縱長方向中心線LCG、及相對於第2外鏈縱長方向中心線LCG垂直延伸之第2外鏈橫長方向中心線LCH。第2外鏈距離LGD定義為於第2外鏈縱長方向中心線LCG相關之第2外鏈縱長方向DH上,第3外鏈中心軸心BX3與第4外鏈中心軸心BX4間之距離。第1外鏈距離LGC及第2外鏈距離LGD各者落在9 mm~13 mm之範圍內。第1外鏈距離LGC及第2外鏈距離LGD之各者設定為12.7 mm或10 mm。As shown in FIG. 5, the second
於本實施形態中,第2外鏈縱長方向中心線LCG及第2外鏈橫長方向中心線LCH基於第2外鏈板18而定義。
如圖5所示,第2外鏈縱長方向中心線LCG定義為自沿著第2外鏈軸向DD之方向觀察第2外鏈板18時,沿著第2外鏈板18中之縱長方向延伸之線,且通過第3外鏈中心軸心BX3與第4外鏈中心軸心BX4的線。第2外鏈橫長方向中心線LCH定義為相對於第2外鏈縱長方向中心線LCG垂直交叉,且通過第3外鏈中心軸心BX3與第4外鏈中心軸心BX4間之中間點的線。In the present embodiment, the center line LCG of the second outer chain in the longitudinal direction and the center line LCH of the second outer chain in the longitudinal direction are defined based on the second
較佳將至少一個倒角部70設置於第1內鏈板12、第2內鏈板14、第1外鏈板16、及第2外鏈板18之至少一者。Preferably, at least one chamfered
如圖6所示,倒角部70可設置於第1內鏈板12之第1內鏈端部32及第2內鏈端部36中之第1內鏈面12A。
如圖7所示,倒角部70可設置於第2內鏈板14之第3內鏈端部42及第4內鏈端部46中之第3內鏈面14A。
如圖4所示,倒角部70可設置於第1外鏈板16之第1外鏈端部52及第2外鏈端部56中之第2外鏈面16B。
如圖5所示,倒角部70可設置於第2外鏈板18之第3外鏈端部62及第4外鏈端部66中之第4外鏈面18B。As shown in FIG. 6, the chamfered
如圖3所示,襯套20具有襯套開口20A。襯套20構成為於自行車用鏈條10之組裝狀態下,插入至第1內鏈開口30及第3內鏈開口40。追加襯套26具有追加襯套開口26A。追加襯套26構成為於自行車用鏈條10之組裝狀態下,插入至第2內鏈開口34及第4內鏈開口44。襯套20及追加襯套26可為相同之構造,亦可為不同之構造。As shown in FIG. 3, the
如圖3所示,銷22構成為於自行車用鏈條10之組裝狀態下,插入至第1外鏈開口50及第3外鏈開口60,且通過襯套開口20A。較佳為銷22於自行車用鏈條10之組裝狀態下,壓入且插入至第1外鏈開口50及第3外鏈開口60。追加銷23構成為於自行車用鏈條10之組裝狀態下,插入至第2外鏈開口54及第4外鏈開口64,且通過追加襯套26之追加襯套開口26A。較佳為追加銷23於自行車用鏈條10之組裝狀態下,壓入且插入至第2外鏈開口54及第4外鏈開口64。較佳為銷22具有3.6 mm以下之銷外徑。進而較佳為銷外徑為2.5 mm以上。較佳為追加銷23具有3.6 mm以下之追加銷外徑。較佳為追加銷外徑為2.5 mm以上。As shown in FIG. 3, in the assembled state of the
第1外鏈板16及第2外鏈板18由銷22及追加銷23結合。第1內鏈板12及第2內鏈板14藉由襯套20及追加襯套26結合。
第1內鏈板12及第2內鏈板14之結合體對第1外鏈板16及第2外鏈板18之結合體以銷22之中心軸及追加銷23之中心軸為中心可旋轉地連結。
包含第1內鏈板12及第2內鏈板14之結合體、與包含第1外鏈板16及第2外鏈板18之結合體交替配置、並連結成環狀。The first
如圖3所示,輥24配置於第1內鏈板12與第2內鏈板14之間。
1根輥24具有供襯套20插通之輥開口24A。輥24對於襯套20可相對旋轉。追加輥28具有供追加襯套26插通之追加輥開口28A。追加輥28對於追加襯套26可相對旋轉。As shown in FIG. 3, the
輥24配置於第1內鏈板12之第1內鏈端部32、與第2內鏈板14之第3內鏈端部42之間。追加輥28配置於第1內鏈板12之第2內鏈端部36與第2內鏈板14之第4內鏈端部46之間。於將自行車用鏈條10安裝於自行車A時,輥24及追加輥28與鏈輪齒接觸。The
接著,對第1內鏈板12與第1外鏈板16間之構造及第2內鏈板14與第2外鏈板18間之構造進行說明。Next, the structure between the first
如圖3所示,第1內鏈端部32之第2內鏈面12B以於第1內鏈軸向DA及第1外鏈軸向DC之至少一方向上,於第1內鏈端部32之第2內鏈面12B與第1外鏈端部52之第1外鏈面16A之間形成第1軸向空隙SA之方式,相對於第1內鏈中間部38之第2內鏈面12B,至少一部分朝自行車用鏈條10之軸向中心面10A偏移。As shown in FIG. 3, the second
第1軸向空隙SA落在0.05 mm~0.15 mm之範圍內。第1軸向空隙SA定義為於第1內鏈軸向DA上,第1內鏈端部32之第2內鏈面12B與第1外鏈端部52之第1外鏈面16A間的距離。
第1軸向空隙SA構成為於自行車用鏈條10之變速操作之期間,促進自行車用鏈條10於第1內鏈軸向DA、第2內鏈軸向DB、第1外鏈軸向DC、及第2外鏈軸向DD之至少一者上之屈曲。The first axial clearance SA falls within the range of 0.05 mm to 0.15 mm. The first axial clearance SA is defined as the distance between the second
於第1內鏈端部32之第2內鏈面12B中朝自行車用鏈條10之軸向中心面10A偏移之部分,配置有第1外鏈板16之第1外鏈端部52。A portion of the second
第1內鏈端部32分為襯套20周圍之第1襯套周圍部32A、及第1襯套周圍部32A周圍之第1外周部32B。第1外周部32B之第2內鏈面12B於第1內鏈軸向DA及第1外鏈軸向DC之至少一者上,相對於第1內鏈中間部38之第2內鏈面12B,朝向自行車用鏈條10之軸向中心面10A,至少部分地偏移。第1襯套周圍部32A之第2內鏈面12B於第1內鏈軸向DA及第1外鏈軸向DC之至少一者上,相對於第1外周部32B之第2內鏈面12B,朝向自行車用鏈條10之軸向中心面10A偏移。較佳構成為,第1襯套周圍部32A之第2內鏈面12B與襯套20中配置於第1內鏈板12側之第1襯套端面20B為同一面。於襯套20之第1襯套端面20B、與第1外鏈板16之第1外鏈端部52之第1外鏈面16A之間設置有間隙。The first inner
如圖3所示,第3內鏈端部42之第4內鏈面14B係以於第2內鏈軸向DB及第2外鏈軸向DD之至少一者上,於第3內鏈端部42之第4內鏈面14B與第3外鏈端部62之第3外鏈面18A之間形成第2軸向空隙SB之方式,相對於第2內鏈中間部48之第4內鏈面14B,至少一部分朝向自行車用鏈條10之軸向中心面10A偏移。As shown in FIG. 3, the fourth
第2軸向空隙SB落在0.05 mm~0.15 mm之範圍內。第2軸向空隙SB定義為,第2內鏈軸向DB上,第3內鏈端部42之第4內鏈面14B與第3外鏈端部62之第3外鏈面18A間的距離。
第2軸向空隙SB構成為,於自行車用鏈條10之變速操作之期間,促進自行車用鏈條10在第1內鏈軸向DA、第2內鏈軸向DB、第1外鏈軸向DC、及第2外鏈軸向DD之至少一者上之屈曲。The second axial clearance SB falls within the range of 0.05 mm to 0.15 mm. The second axial gap SB is defined as the distance between the fourth
於第3內鏈端部42之第4內鏈面14B中朝向自行車用鏈條10之軸向中心面10A偏移之部分,配置有第2外鏈板18之第3外鏈端部62。A portion of the fourth
第3內鏈端部42區分為襯套20周圍之第2襯套周圍部42A、及第2襯套周圍部42A周圍之第2外周部42B。第2外周部42B之第4內鏈面14B於第1內鏈軸向DA及第1外鏈軸向DC之至少一者上,相對於第2內鏈中間部48之第4內鏈面14B,朝向自行車用鏈條10之軸向中心面10A至少部分地偏移。第2襯套周圍部42A之第4內鏈面14B於第1內鏈軸向DA及第1外鏈軸向DC之至少一者上,相對於第2外周部42B之第4內鏈面14B,朝向自行車用鏈條10之軸向中心面10A偏移。較佳構成為,第2襯套周圍部42A之第4內鏈面14B與襯套20中配置於第2內鏈板14側之第2襯套端面20C為同一面。於襯套20之第2襯套端面20C、與第2外鏈板18之第3外鏈端部62之第3外鏈面18A之間設置有間隙。The third
於藉由自行車A之變速操作,對自行車用鏈條10施加力之情形時,藉由於自行車用鏈條10設置有第1軸向空隙SA及第2軸向空隙SB之至少一者,而使第1內鏈板12及第2內鏈板14相對於第1外鏈板16及第2外鏈板18,於沿第1內鏈軸向DA、第2內鏈軸向DB、第1外鏈軸向DC、及第2外鏈軸向DD之任一者之方向變位。藉由此種作用,易於自行車用鏈條10之撓曲。較佳於自行車用鏈條10設置第1軸向空隙SA及第2軸向空隙SB之兩者。When a force is applied to the
<第2實施形態>
對第2實施形態之自行車用鏈條10進行說明。關於與第1實施形態共通之構成,標註與第1實施形態同一之符號,而省略重複之說明。第2實施形態之自行車用鏈條10包含第1實施形態所示之第1軸向空隙SA及第2軸向空隙SB之構造、及第1實施形態所示之第1軸向空隙SA及第2軸向空隙SB之構造以外之構造。<Second Embodiment>
The
如圖3所示,第1軸向空隙SA形成於第1內鏈軸向DA及第1外鏈軸向DC之至少一者之第1內鏈端部32之第2內鏈面12B與第1外鏈端部52之第1外鏈面16A之間。第1軸向空隙SA落在0.05 mm~0.15 mm之範圍內。As shown in FIG. 3, the first axial gap SA is formed in the second
例如,第1外鏈端部52之第1外鏈面16A亦可以於第1內鏈軸向DA及第1外鏈軸向DC之至少一者上,於第1內鏈端部32之第2內鏈面12B與第1外鏈端部52之第1外鏈面16A之間形成第1軸向空隙SA之方式,相對於第1外鏈中間部58之第1外鏈面16A,至少一部分朝向與通往自行車用鏈條10之軸向中心面10A之方向相反的方向偏移。For example, the first
再者,如第1實施形態所示,第1內鏈端部32之第2內鏈面12B亦可以於第1內鏈軸向DA及第1外鏈軸向DC之至少一者上,於第1內鏈端部32之第2內鏈面12B與第1外鏈端部52之第1外鏈面16A之間形成第1軸向空隙SA之方式,相對於第1內鏈中間部38之第2內鏈面12B,至少一部分朝向自行車用鏈條10之軸向中心面10A偏移。
若於第1內鏈端部32之第2內鏈面12B與第1外鏈端部52之第1外鏈面16A之間形成第1軸向空隙SA,則第1內鏈板12之第2內鏈面12B亦可平坦地自第1內鏈端部32經過第1內鏈中間部38形成至第2內鏈端部36。Furthermore, as shown in the first embodiment, the second
第1軸向空隙SA構成為,於自行車用鏈條10之變速操作之期間,促進自行車用鏈條10在第1內鏈軸向DA、第2內鏈軸向DB、第1外鏈軸向DC、及第2外鏈軸向DD之至少一者上之屈曲。The first axial clearance SA is configured to promote the
如圖3所示,第2軸向空隙SB形成於第2內鏈軸向DB及第2外鏈軸向DD之至少一者上之第3內鏈端部42之第4內鏈面14B與第3外鏈端部62之第3外鏈面18A之間。第2軸向空隙SB落在0.05 mm~0.15 mm之範圍內。As shown in FIG. 3, the second axial gap SB is formed on the fourth
例如,第3外鏈端部62之第3外鏈面18A亦可以於第2內鏈軸向DB及第2外鏈軸向DD之至少一者上,於第3內鏈端部42之第4內鏈面14B與第3外鏈端部62之第3外鏈面18A之間形成第2軸向空隙SB之方式,相對於第2外鏈中間部68之第3外鏈面18A,至少一部分朝向與通往自行車用鏈條10之軸向中心面10A之方向相反的方向偏移。For example, the third
再者,如第1實施形態所示,第3內鏈端部42之第4內鏈面14B亦可以於第2內鏈軸向DB及第2外鏈軸向DD之至少一者上,於第3內鏈端部42之第4內鏈面14B與第3外鏈端部62之第3外鏈面18A之間形成第2軸向空隙SB之方式,相對於第2內鏈中間部48之第4內鏈面14B,至少一部分朝向自行車用鏈條10之軸向中心面10A偏移。
若於第3內鏈端部42之第4內鏈面14B與第3外鏈端部62之第3外鏈面18A之間形成第2軸向空隙SB,則第2內鏈板14之第4內鏈面14B亦可平坦地自第3內鏈端部42經過第2內鏈中間部48形成至第4內鏈端部46。Furthermore, as shown in the first embodiment, the fourth
第2軸向空隙SB構成為,於自行車用鏈條10之變速操作之期間,促進自行車用鏈條10在第1內鏈軸向DA、第2內鏈軸向DB、第1外鏈軸向DC、及第2外鏈軸向DD之至少一者上之屈曲。The second axial gap SB is configured to promote the
再者,第1內鏈距離LGA及第2內鏈距離LGB各者亦可落在9 mm~13 mm之範圍內。第1外鏈距離LGC及第2外鏈距離LGD各者亦可落在9 mm~13 mm之範圍內。例如,將第1內鏈距離LGA、第2內鏈距離LGB、第1外鏈距離LGC、及第2外鏈距離LGD之各者設定為12.7 mm或10 mm。Furthermore, each of the first inner chain distance LGA and the second inner chain distance LGB may also fall within the range of 9 mm to 13 mm. Each of the first outer chain distance LGC and the second outer chain distance LGD can also fall within the range of 9 mm to 13 mm. For example, each of the first inner chain distance LGA, the second inner chain distance LGB, the first outer chain distance LGC, and the second outer chain distance LGD is set to 12.7 mm or 10 mm.
再者,銷22亦可具有3.6 mm以下之銷外徑。銷外徑亦可為2.5 mm以上。Furthermore, the
再者,軸向凹部15亦可設置於第1內鏈中間部38之第1內鏈面12A、及第2內鏈中間部48之第3內鏈面14A之至少一者。Furthermore, the
再者,至少一個倒角部70亦可設置於第1內鏈板12、第2內鏈板14、第1外鏈板16、及第2外鏈板18之至少一者。Furthermore, at least one chamfered
<第3實施形態>
參照圖8及圖9,對第3實施形態之自行車用鏈條10進行說明。關於與第3實施形態共通之構成,標註與第1實施形態同一之符號,而省略重複之說明。第3實施形態之自行車用鏈條10與第1實施形態之自行車用鏈條10之不同點在於,第1內鏈板12及第2內鏈板14與襯套20及追加襯套26之結合構造。<Third Embodiment>
8 and 9, the
第1內鏈端部32包含:第1內鏈開口30,其具有第1內鏈中心軸心AX1;及第1環狀軸向突出部84,其就第1內鏈中心軸心AX1於周向上包圍第1內鏈開口30。第2內鏈端部36包含:第2內鏈開口34,其具有與第1內鏈中心軸心AX1平行延伸之第2內鏈中心軸心AX2;及第2環狀軸向突出部86,其就第2內鏈中心軸心AX2於周向上包圍第2內鏈開口34。The first
襯套20具有襯套開口20A。襯套20構成為,於自行車用鏈條10之組裝狀態下,插入至第1內鏈開口30及第3內鏈開口40,且於自行車用鏈條10之組裝狀態下,與第1環狀軸向突出部84接觸。
銷22構成為,於自行車用鏈條10之組裝狀態下,插入至第1外鏈開口50及第3外鏈開口60。追加銷23構成為,於自行車用鏈條10之組裝狀態下,插入至第2外鏈開口54及第4外鏈開口64。銷22構成為通過襯套開口20A。追加銷23構成為通過追加襯套開口26A。The
第3內鏈端部42包含第3環狀軸向突出部88,其就第3內鏈中心軸心AX3於周向上包圍第3內鏈開口40。第4內鏈端部46包含第4環狀軸向突出部90,其就第4內鏈中心軸心AX4於周向上包圍第4內鏈開口44。襯套20構成為於自行車用鏈條10之組裝狀態下與第3環狀軸向突出部88接觸。The third
追加襯套26構成為,於自行車用鏈條10之組裝狀態下,插入至第2內鏈開口34、及第4內鏈開口44。追加襯套26構成為,於自行車用鏈條10之組裝狀態下,與第2環狀軸向突出部86及第4環狀軸向突出部90接觸。The
再者,軸向凹部15亦可設置於第1內鏈中間部38之第1內鏈面12A、及第2內鏈中間部48之第3內鏈面14A之至少一者。較佳為軸向凹部15設置於第1內鏈中間部38之第1內鏈面12A、及第2內鏈中間部48之第3內鏈面14A之兩者。Furthermore, the
如圖8所示,輥24及追加輥28配置於第1內鏈板12與第2內鏈板14之間。
輥24配置於第1內鏈板12之第1內鏈端部32與第2內鏈板14之第3內鏈端部42之間。追加輥28配置於第1內鏈板12之第2內鏈端部36與第2內鏈板14之第4內鏈端部46之間。As shown in FIG. 8, the
輥24具有供第1環狀軸向突出部84及第3環狀軸向突出部88插通之輥開口24A。輥24可相對於第1環狀軸向突出部84及第3環狀軸向突出部88旋轉。追加輥28具有供第2環狀軸向突出部86及第4環狀軸向突出部90插通之追加輥開口28A。追加輥28可相對於第2環狀軸向突出部86及第4環狀軸向突出部90旋轉。The
<其之變化例>
關於各實施形態之說明係根據本發明之自行車用鏈條10之例示,並非意在限制其形態。根據本發明之自行車用鏈條10可採取例如以下所示之實施形態之變化例、及相互不矛盾之至少2個變化例組合而成之形態。於以下之變化例中,關於與實施形態之形態共通之部分,標註與實施形態同一之符號而省略其說明。<Examples of changes>
The description of each embodiment is an example of the
·亦可於各實施形態之第1外鏈板16之端緣及第2外鏈板18之端緣,設置第1倒角部92~第4倒角部98之至少一者。第1倒角部92~第4倒角部98包含平面及曲面。
如圖10所示,第1倒角部92亦可設置於第1外鏈板16之第1外鏈端部52之第1端面52A與第1外鏈端部52中之第1外鏈面16A之間。
第2倒角部94亦可設置於第1外鏈板16之第2外鏈端部56之第2端面56A與第2外鏈端部56中之第1外鏈面16A之間。
第3倒角部96亦可設置於第2外鏈板18之第3外鏈端部62之第3端面62A與第3外鏈端部62中之第3外鏈面18A之間。
第4倒角部98亦可設置於第2外鏈板18之第4外鏈端部66之第4端面66A與第4外鏈端部66中之第3外鏈面18A之間。-At least one of the first chamfered
10‧‧‧自行車用鏈條 10A‧‧‧軸向中心面 12‧‧‧第1內鏈板 12A‧‧‧第1內鏈面 12B‧‧‧第2內鏈面 14‧‧‧第2內鏈板 14A‧‧‧第3內鏈面 14B‧‧‧第4內鏈面 15‧‧‧軸向凹部 16‧‧‧第1外鏈板 16A‧‧‧第1外鏈面 16B‧‧‧第2外鏈面 18‧‧‧第2外鏈板 18A‧‧‧第3外鏈面 18B‧‧‧第4外鏈面 20‧‧‧襯套 20A‧‧‧襯套開口 20B‧‧‧第1襯套端面 20C‧‧‧第2襯套端面 22‧‧‧銷 23‧‧‧追加銷 24‧‧‧輥 24A‧‧‧輥開口 26‧‧‧追加襯套 26A‧‧‧追加襯套開口 28‧‧‧追加輥 28A‧‧‧追加輥開口 30‧‧‧第1內鏈開口 32‧‧‧第1內鏈端部 32A‧‧‧第1襯套周圍部 32B‧‧‧第1外周部 34‧‧‧第2內鏈開口 36‧‧‧第2內鏈端部 38‧‧‧第1內鏈中間部 40‧‧‧第3內鏈開口 42‧‧‧第3內鏈端部 42A‧‧‧第2襯套周圍部 42B‧‧‧第2外周部 44‧‧‧第4內鏈開口 46‧‧‧第4內鏈端部 48‧‧‧第2內鏈中間部 50‧‧‧第1外鏈開口 52‧‧‧第1外鏈端部 52A‧‧‧第1端面 54‧‧‧第2外鏈開口 56‧‧‧第2外鏈端部 56A‧‧‧第2端面 58‧‧‧第1外鏈中間部 60‧‧‧第3外鏈開口 62‧‧‧第3外鏈端部 62A‧‧‧第3端面 64‧‧‧第4外鏈開口 66‧‧‧第4外鏈端部 66A‧‧‧第4端面 68‧‧‧第2外鏈中間部 70‧‧‧倒角部 84‧‧‧第1環狀軸向突出部 86‧‧‧第2環狀軸向突出部 88‧‧‧第3環狀軸向突出部 90‧‧‧第4環狀軸向突出部 92‧‧‧第1倒角部 94‧‧‧第2倒角部 96‧‧‧第3倒角部 98‧‧‧第4倒角部 A‧‧‧自行車 AX1‧‧‧第1內鏈中心軸心 AX2‧‧‧第2內鏈中心軸心 AX3‧‧‧第3內鏈中心軸心 AX4‧‧‧第4內鏈中心軸心 B‧‧‧傳動鏈 BX1‧‧‧第1外鏈中心軸心 BX2‧‧‧第2外鏈中心軸心 BX3‧‧‧第3外鏈中心軸心 BX4‧‧‧第4外鏈中心軸心 C‧‧‧自行車用曲柄組裝體 Ca‧‧‧曲軸 Cb‧‧‧曲柄臂 D‧‧‧自行車用鏈輪 DA‧‧‧第1內鏈軸向 DB‧‧‧第2內鏈軸向 DC‧‧‧第1外鏈軸向 DD‧‧‧第2外鏈軸向 DE‧‧‧第1內鏈縱長方向 DF‧‧‧第2內鏈縱長方向 DG‧‧‧第1外鏈縱長方向 DH‧‧‧第2外鏈縱長方向 E‧‧‧前鏈輪 F‧‧‧後鏈輪 III-III‧‧‧線 IX-IX‧‧‧線 LCA‧‧‧第1內鏈縱長方向中心線 LCB‧‧‧第1內鏈橫長方向中心線 LCC‧‧‧第2內鏈縱長方向中心線 LCD‧‧‧第2內鏈橫長方向中心線 LCE‧‧‧第1外鏈縱長方向中心線 LCF‧‧‧第1外鏈橫長方向中心線 LCG‧‧‧第2外鏈縱長方向中心線 LCH‧‧‧第2外鏈橫長方向中心線 LGA‧‧‧第1內鏈距離 LGB‧‧‧第2內鏈距離 LGC‧‧‧第1外鏈距離 LGD‧‧‧第2外鏈距離 SA‧‧‧第1軸向空隙 SB‧‧‧第2軸向空隙 VA‧‧‧方向 VB‧‧‧方向 VI-VI‧‧‧線 VII-VII‧‧‧線10‧‧‧ bicycle chain 10A‧‧‧axial center plane 12‧‧‧The first inner chain board 12A‧‧‧The first inner chain surface 12B‧‧‧The second inner chain surface 14‧‧‧Second Inner Chain Plate 14A‧‧‧The third inner chain surface 14B‧‧‧The fourth inner chain surface 15‧‧‧Axial recess 16‧‧‧The first outer chain plate 16A‧‧‧The first outer chain surface 16B‧‧‧The second outer chain surface 18‧‧‧The second outer chain plate 18A‧‧‧The third chain surface 18B‧‧‧The fourth outer chain surface 20‧‧‧ Bush 20A‧‧‧ Bushing opening 20B‧‧‧End face of the first bush 20C‧‧‧2nd bushing end face 22‧‧‧pin 23‧‧‧ additional sales 24‧‧‧roll 24A‧‧‧Roll opening 26‧‧‧Add bush 26A‧‧‧Add bushing opening 28‧‧‧Add roll 28A‧‧‧Add roll opening 30‧‧‧The first inner chain opening 32‧‧‧The first inner chain end 32A‧‧‧The first bushing around 32B‧‧‧1st outer periphery 34‧‧‧Second inner chain opening 36‧‧‧2nd inner chain end 38‧‧‧The first middle part of the inner chain 40‧‧‧The third inner chain opening 42‧‧‧The third inner chain end 42A‧‧‧The second bushing around 42B‧‧‧The second outer periphery 44‧‧‧The fourth inner chain opening 46‧‧‧4th inner chain end 48‧‧‧The second middle part of the inner chain 50‧‧‧The first outer chain opening 52‧‧‧The first outer chain end 52A‧‧‧1st end face 54‧‧‧The second outer chain opening 56‧‧‧The second outer chain end 56A‧‧‧2nd end face 58‧‧‧1st middle part of outer chain 60‧‧‧The third outer chain opening 62‧‧‧The third outer chain end 62A‧‧‧3rd end face 64‧‧‧The fourth outer chain opening 66‧‧‧The fourth outer chain end 66A‧‧‧Fourth end face 68‧‧‧The second middle part of the outer chain 70‧‧‧Chamfer 84‧‧‧The first annular axial protrusion 86‧‧‧The second annular axial protrusion 88‧‧‧The third annular axial protrusion 90‧‧‧4th annular axial protrusion 92‧‧‧First chamfer 94‧‧‧Chamfer 2 96‧‧‧The third chamfer 98‧‧‧The 4th chamfer A‧‧‧Bicycle AX1‧‧‧The first inner chain center axis AX2‧‧‧The second inner chain center axis AX3‧‧‧The third inner chain center axis AX4‧‧‧The 4th inner chain center axis B‧‧‧Drive chain BX1‧‧‧The first outer chain center axis BX2‧‧‧The second shaft center axis BX3‧‧‧The third outer chain center axis BX4‧‧‧The 4th outer chain center axis C‧‧‧Crank assembly for bicycle Ca‧‧‧Crankshaft Cb‧‧‧Crank arm D‧‧‧Bike sprocket DA‧‧‧ 1st inner chain axial DB‧‧‧ 2nd inner chain axial DC‧‧‧1st outer chain axis DD‧‧‧The second outer chain axis DE‧‧‧ 1st inner chain lengthwise direction DF‧‧‧Second inner chain lengthwise direction DG‧‧‧The length direction of the first outer chain DH‧‧‧The 2nd outer chain longitudinal direction E‧‧‧Front sprocket F‧‧‧rear sprocket III-III‧‧‧ line IX-IX‧‧‧line LCA‧‧‧The centerline of the 1st inner chain in the longitudinal direction LCB‧‧‧The center line of the first inner chain in the horizontal direction LCC‧‧‧Second inner chain longitudinal centerline LCD‧‧‧Second Inner Chain Horizontal Centerline LCE‧‧‧The center line of the first outer chain in the longitudinal direction LCF‧‧‧The center line of the first outer chain in the horizontal direction LCG‧‧‧The center line of the second outer chain in the longitudinal direction LCH‧‧‧The center line of the second outer chain in the longitudinal direction LGA‧‧‧1st Inner Chain Distance LGB‧‧‧ 2nd Inner Chain Distance LGC‧‧‧The first chain distance LGD‧‧‧The second link distance SA‧‧‧1st axial clearance SB‧‧‧Second axial clearance VA‧‧‧ direction VB‧‧‧ direction VI-VI‧‧‧line VII-VII‧‧‧ line
圖1係自上方觀察自行車之自行車之模式圖。 圖2係第1實施形態之自行車用鏈條之立體圖。 圖3係沿著圖2之III-III線之第1實施形態之自行車用鏈條的剖視圖。 圖4係自圖2之VA方向觀察之第1實施形態之自行車用鏈條的側視圖。 圖5係自圖2之VB方向觀察之第1實施形態之自行車用鏈條的側視圖。 圖6係沿著圖3之VI-VI線之第1實施形態之自行車用鏈條的剖視圖。 圖7係沿著圖3之VII-VII線之第1實施形態之自行車用鏈條的剖視圖。 圖8係第3實施形態之自行車用鏈條之剖視圖。 圖9係沿著圖8之IX-IX線之第3實施形態之自行車用鏈條的剖視圖。 圖10係其他實施形態之自行車用鏈條之剖視圖。Figure 1 is a schematic view of a bicycle viewed from above. 2 is a perspective view of a bicycle chain according to the first embodiment. Fig. 3 is a cross-sectional view of the bicycle chain of the first embodiment taken along the line III-III of Fig. 2. 4 is a side view of the bicycle chain of the first embodiment viewed from the VA direction of FIG. 2. 5 is a side view of the bicycle chain of the first embodiment viewed from the VB direction of FIG. 2. 6 is a cross-sectional view of the bicycle chain according to the first embodiment taken along the line VI-VI of FIG. 3. 7 is a cross-sectional view of the bicycle chain of the first embodiment taken along the line VII-VII of FIG. 3. 8 is a cross-sectional view of a bicycle chain according to a third embodiment. 9 is a cross-sectional view of the bicycle chain of the third embodiment along the line IX-IX of FIG. 8. 10 is a cross-sectional view of a bicycle chain according to another embodiment.
10‧‧‧自行車用鏈條 10‧‧‧ bicycle chain
10A‧‧‧軸向中心面 10A‧‧‧axial center plane
12‧‧‧第1內鏈板 12‧‧‧The first inner chain board
12A‧‧‧第1內鏈面 12A‧‧‧The first inner chain surface
12B‧‧‧第2內鏈面 12B‧‧‧The second inner chain surface
14‧‧‧第2內鏈板 14‧‧‧Second Inner Chain Plate
14A‧‧‧第3內鏈面 14A‧‧‧The third inner chain surface
14B‧‧‧第4內鏈面 14B‧‧‧The fourth inner chain surface
15‧‧‧軸向凹部 15‧‧‧Axial recess
16‧‧‧第1外鏈板 16‧‧‧The first outer chain plate
16A‧‧‧第1外鏈面 16A‧‧‧The first outer chain surface
16B‧‧‧第2外鏈面 16B‧‧‧The second outer chain surface
18‧‧‧第2外鏈板 18‧‧‧The second outer chain plate
18A‧‧‧第3外鏈面 18A‧‧‧The third chain surface
18B‧‧‧第4外鏈面 18B‧‧‧The fourth outer chain surface
20‧‧‧襯套 20‧‧‧ Bush
20A‧‧‧襯套開口 20A‧‧‧ Bushing opening
20B‧‧‧第1襯套端面 20B‧‧‧End face of the first bush
20C‧‧‧第2襯套端面 20C‧‧‧2nd bushing end face
22‧‧‧銷 22‧‧‧pin
23‧‧‧追加銷 23‧‧‧ additional sales
24‧‧‧輥 24‧‧‧roll
24A‧‧‧輥開口 24A‧‧‧Roll opening
26‧‧‧追加襯套 26‧‧‧Add bush
26A‧‧‧追加襯套開口 26A‧‧‧Add bushing opening
28‧‧‧追加輥 28‧‧‧Add roll
28A‧‧‧追加輥開口 28A‧‧‧Add roll opening
30‧‧‧第1內鏈開口 30‧‧‧The first inner chain opening
32‧‧‧第1內鏈端部 32‧‧‧The first inner chain end
32A‧‧‧第1襯套周圍部 32A‧‧‧The first bushing around
32B‧‧‧第1外周部 32B‧‧‧1st outer periphery
34‧‧‧第2內鏈開口 34‧‧‧Second inner chain opening
36‧‧‧第2內鏈端部 36‧‧‧2nd inner chain end
38‧‧‧第1內鏈中間部 38‧‧‧The first middle part of the inner chain
40‧‧‧第3內鏈開口 40‧‧‧The third inner chain opening
42‧‧‧第3內鏈端部 42‧‧‧The third inner chain end
42A‧‧‧第2襯套周圍部 42A‧‧‧The second bushing around
42B‧‧‧第2外周部 42B‧‧‧The second outer periphery
44‧‧‧第4內鏈開口 44‧‧‧The fourth inner chain opening
46‧‧‧第4內鏈端部 46‧‧‧4th inner chain end
48‧‧‧第2內鏈中間部 48‧‧‧The second middle part of the inner chain
50‧‧‧第1外鏈開口 50‧‧‧The first outer chain opening
52‧‧‧第1外鏈端部 52‧‧‧The first outer chain end
54‧‧‧第2外鏈開口 54‧‧‧The second outer chain opening
56‧‧‧第2外鏈端部 56‧‧‧The second outer chain end
58‧‧‧第1外鏈中間部 58‧‧‧1st middle part of outer chain
60‧‧‧第3外鏈開口 60‧‧‧The third outer chain opening
62‧‧‧第3外鏈端部 62‧‧‧The third outer chain end
64‧‧‧第4外鏈開口 64‧‧‧The fourth outer chain opening
66‧‧‧第4外鏈端部 66‧‧‧The fourth outer chain end
68‧‧‧第2外鏈中間部 68‧‧‧The second middle part of the outer chain
AX1‧‧‧第1內鏈中心軸心 AX1‧‧‧The first inner chain center axis
AX2‧‧‧第2內鏈中心軸心 AX2‧‧‧The second inner chain center axis
AX3‧‧‧第3內鏈中心軸心 AX3‧‧‧The third inner chain center axis
AX4‧‧‧第4內鏈中心軸心 AX4‧‧‧The 4th inner chain center axis
BX1‧‧‧第1外鏈中心軸心 BX1‧‧‧The first outer chain center axis
BX2‧‧‧第2外鏈中心軸心 BX2‧‧‧The second shaft center axis
BX3‧‧‧第3外鏈中心軸心 BX3‧‧‧The third outer chain center axis
BX4‧‧‧第4外鏈中心軸心 BX4‧‧‧The 4th outer chain center axis
DA‧‧‧第1內鏈軸向 DA‧‧‧ 1st inner chain axial
DB‧‧‧第2內鏈軸向 DB‧‧‧ 2nd inner chain axial
DC‧‧‧第1外鏈軸向 DC‧‧‧1st outer chain axis
DD‧‧‧第2外鏈軸向 DD‧‧‧The second outer chain axis
SA‧‧‧第1軸向空隙 SA‧‧‧1st axial clearance
SB‧‧‧第2軸向空隙 SB‧‧‧Second axial clearance
VI‧‧‧線 VI‧‧‧line
VII‧‧‧線 VII‧‧‧ line
Claims (27)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018-137966 | 2018-07-23 | ||
JP2018137966A JP7174550B2 (en) | 2018-07-23 | 2018-07-23 | bicycle chain |
Publications (1)
Publication Number | Publication Date |
---|---|
TW202007585A true TW202007585A (en) | 2020-02-16 |
Family
ID=69148058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW108119460A TW202007585A (en) | 2018-07-23 | 2019-06-05 | Bicycle chain providing a bicycle chain having excellent shifting performance |
Country Status (3)
Country | Link |
---|---|
JP (2) | JP7174550B2 (en) |
DE (1) | DE102019209642A1 (en) |
TW (1) | TW202007585A (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2568651B1 (en) * | 1984-08-03 | 1989-04-28 | Sedis Transmissions Mec | TRANSMISSION CHANNEL |
JP3501493B2 (en) * | 1994-04-19 | 2004-03-02 | 株式会社シマノ | Bicycle chain |
CN1107175C (en) * | 2000-07-20 | 2003-04-30 | 明昌轮业股份有限公司 | Dust-proof chain |
JP2002295598A (en) | 2001-03-30 | 2002-10-09 | Daido Kogyo Co Ltd | Narrow-width no.80 chain |
JP3119504U (en) | 2005-12-06 | 2006-03-02 | 天心工業股▲ふん▼有限公司 | Bicycle chain structure |
JP2009264438A (en) * | 2008-04-23 | 2009-11-12 | Tsubakimoto Chain Co | Chain |
US10295019B2 (en) | 2014-04-28 | 2019-05-21 | Shimano Inc. | Bicycle chain |
US9541159B2 (en) * | 2014-12-01 | 2017-01-10 | Wen-Pin Wang | Chain plate structure |
JP6145133B2 (en) | 2015-06-04 | 2017-06-07 | 株式会社日立ハイテクノロジーズ | Charged particle beam equipment |
-
2018
- 2018-07-23 JP JP2018137966A patent/JP7174550B2/en active Active
-
2019
- 2019-06-05 TW TW108119460A patent/TW202007585A/en unknown
- 2019-07-02 DE DE102019209642.5A patent/DE102019209642A1/en active Pending
-
2022
- 2022-08-05 JP JP2022125582A patent/JP7386296B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP7174550B2 (en) | 2022-11-17 |
JP7386296B2 (en) | 2023-11-24 |
JP2022161936A (en) | 2022-10-21 |
JP2020016260A (en) | 2020-01-30 |
DE102019209642A1 (en) | 2020-01-23 |
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