PROBLEM TO BE SOLVED: To provide a power transmission device of a saddle riding type vehicle, which is improved in assembly workability.SOLUTION: A power transmission device 1 of a saddle riding type vehicle according to the invention comprises: a rotating shaft 7; a bevel gear 8; a case 6a having an opening 6d; a bearing 11 which is internally fitted in the case 6a and is situated closer to the opening 6d than the bevel gear 8; a nut 12 which has a male screw 12a formed on the outer peripheral surface and is screwed with a female screw 6h formed in the inner peripheral surface of the case 6a to contact with the outer ring 11a of the bearing 11 at a position closer to the opening 6a than the bearing 11; a cylindrical connection shaft 2 which is externally fitted onto the rotating shaft 7 and contacts with the inner ring 11b of the bearing 11; and an oil seal 13 which is internally fitted in the case 6a to be situated closer to the opening 6d than the nut 12 and seals between the inner peripheral surface of the case 6a and the outer peripheral surface of the connection shaft 2. An adhesive is applied to at least one of the male screw 12a and the female screw 6h, and the nut 12 is adhesively fixed to the case 6a.
【課題】組立作業性が向上した鞍乗型車両の動力伝達装置を提供することを課題とする。【解決手段】本発明に係る鞍乗型車両の動力伝達装置1は、回転軸7と、傘歯車8と、開口部6dを有するケース6aと、ケース6aに内嵌されて傘歯車8よりも開口部6d寄りに位置する軸受11と、外周面に雄ねじ12aが形成され、ケース6aの内周面に形成された雌ねじ6hに螺合することで軸受11よりも開口部6d寄りで軸受11の外輪11aに当接するナット12と、回転軸7に外嵌するとともに、軸受11の内輪11bに当接する筒状の連結シャフト2と、ケース6aに内嵌されてナット12よりも開口部6d寄りに位置し、ケース6aの内周面と連結シャフト2の外周面との間を封止するオイルシール13と、を備え、雄ねじ12a及び雌ねじ6hの少なくとも一方には接着剤が塗布され、ケース6aにナット12が接着固定されていることを特徴とする。【選択図】図2
POWER TRANSMISSION DEVICE OF SADDLE RIDING TYPE VEHICLE
鞍乗型車両の動力伝達装置
2015-06-25
Patent
Electronic Resource
Japanese
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