JPH0349414U

JPH0349414U -

Info

Publication number: JPH0349414U
Application number: JP11123889U
Authority: JP
Priority date: 1989-09-22
Filing date: 1989-09-22
Publication date: 1991-05-14

Description

[Brief explanation of drawings]

第１図は本考案装置を備えた自動二輪車の側面
図、第２図は、第１図−線断面図、第３図は
サイドワツシヤの正面図、第４図は、第３図−
線に沿うサイドワツシヤの断面図である。Ｗ……サイドワツシヤ、６……クランク軸、６
_１……クランクピン部、６_２，６_３……クランク
ウエブ部、１０……コンロツド、１０_１……大端
部、１１……ラジアル軸受としてのニードル軸受
、１２……ワツシヤ本体、１３……被膜。 Fig. 1 is a side view of a motorcycle equipped with the device of the present invention, Fig. 2 is a sectional view taken along the line shown in Fig. 1, Fig. 3 is a front view of the side washer, and Fig. 4 is Fig. 3 -
FIG. 3 is a cross-sectional view of the side washer along a line. W...Side washers, 6...Crankshaft, 6
₁ ...Crank pin part, ₆₂ , ₆₃ ...Crank web part, 10...Conrod, ₁₀₁ ...Big end part, 11...Needle bearing as a radial bearing, 12...Washer body, 13... Coating.

Claims

[Scope of utility model registration request]

The large end 101 of the connecting rod 10 is rotatably connected to the crank pin portion ₆₁ of the crankshaft ₆ via a radial bearing 11, and the large end ₁₀₁ In a connection structure between a connecting rod and a crankshaft in a two-stroke internal combustion engine, side washers W are interposed between both sides of the crankshaft 6 and the side faces of the crank web portions _{6 2} and 6 ₃ of the crankshaft 6 facing thereto. A two-stroke internal combustion engine characterized in that the side washer W is constructed by coating both sides of a washer body 12 with a coating 13 that is softer than the crankshaft 6 and connecting rod 10 and has self-lubricating properties. The connection structure between the conrod and the crankshaft.