TRANSMISSION INTERNAL LUBRICATION STRUCTURE

• Main Authors: URANO TORU, NASU GOTA, NISHIHARA MASAKI, KAWACHI NOBUAKI
• Format: Patent
• Language: English; Japanese
• Published: 22.10.2015
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a transmission internal lubrication structure capable of ensuring the supply of lubricating oil to a member to which the lubricating oil scraped up is to be supplied within a transmission.SOLUTION: A transmission internal lubrication structure comprises: a gear 5 rotatable and provided within a mission case 6; bearings 7, 8 pivotally supporting a rotary shaft of the gear 5; a base portion formed integrally with the mission case 6 and provided above the rotary shaft in parallel to the rotary shaft; and a plurality of convex portions 9a, 9b, and 9c formed in a plurality of parts corresponding to the gear 5 and the bearings 7 and 8, respectively, and each formed into a tapered shape from a base to a tip end, a plurality of walls constituted by the convex portions 9a, 9b, and 9c and the bases corresponding to widths of the convex portions 9a, 9b, and 9c, respectively being formed to have different surface areas. 【課題】トランスミッション内部において掻き上げられた潤滑油を給油したい部材に対して確実に給油することが可能なトランスミッション内部潤滑構造を提供する。【解決手段】ミッションケース６内部に設けられた回転自在なギヤ５と、ギヤ５の回転軸を軸支する軸受７，８と、ミッションケース６と一体に形成され、回転軸の上方に回転軸と平行に設けられる基部と、ギヤ５及び軸受７，８のそれぞれに対応する複数箇所に基部から先端部にかけて先細り形状で形成される複数の凸部９ａ，９ｂ，９ｃとを有し、複数の凸部９ａ，９ｂ，９ｃとそれぞれの凸部９ａ，９ｂ，９ｃの幅に対応する基部とで構成される複数の壁部は表面積がそれぞれ異なるように形成されるトランスミッション内部潤滑構造。【選択図】図３