Internal combustion engine
A technology of internal combustion engine and internal drive, applied in mechanical equipment, machine/engine, bearing components, etc., can solve the problems of increasing the number of parts and assembly hours, save sheet metal processing, avoid the increase in the number of parts, and ensure the effect of airtightness
Active Publication Date: 2011-06-08
HONDA MOTOR CO LTD
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[0045] figure 1 It is a side view of a motorcycle 1 according to an embodiment of the present invention. In the two-wheeled motor vehicle 1, the body frame 2 is fixed to the main frame 4 by a head pipe 3 at the front of the vehicle body, a main frame 4 protruding obliquely and downwardly from the head pipe 3 to the rear. A pair of left and right pivot brackets 5 and 5 that extend downward from the rear part of the main frame 4 are inclined to the rear from the fixed position of the pivot brackets 5 and 5 at the rear of the main frame 4 and protrude upward and bend halfway to the left and right of the rear end. A pair of cushion guide rails 6, 6, and intermediate frames 7, 7 sandwiched between the center portions of the cushion guide rails 6, 6 and the pivot brackets 5, 5.
[0046] A storage box 8 and the like are erected between a pair of left and right cushion guide rails 6 and 6 of the vehicle body frame 2, and the passenger seat cushion 9 can be opened and closed to cover the ...
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The present invention provides an internal combustion engine, comprising a camshaft in the cylinder head for driving a valve system, a crankcase for supporting a crank shaft by a rolling bearing, a caThe present invention provides an internal combustion engine, comprising a camshaft in the cylinder head for driving a valve system, a crankcase for supporting a crank shaft by a rolling bearing, a camshaft transmission chain for transmitting crank shaft power to the camshaft and oil control type camshaft transmission chain jib with an oil accumulating groove, an oil accumulating groove side partmshaft transmission chain for transmitting crank shaft power to the camshaft and oil control type camshaft transmission chain jib with an oil accumulating groove, an oil accumulating groove side partclosing panel with one component used also as a plugging-pushing panel, thus reducing the part number and manufacturing cost. The crankcase is equipped with a guide cylinder having an oil accumulatingclosing panel with one component used also as a plugging-pushing panel, thus reducing the part number and manufacturing cost. The crankcase is equipped with a guide cylinder having an oil accumulating groove on the top, the oil accumulating groove is formed by plugging the opening at the demoulding direction side of the concave part of the oil accumulating groove when the crankcase is casted, thegroove on the top, the oil accumulating groove is formed by plugging the opening at the demoulding direction side of the concave part of the oil accumulating groove when the crankcase is casted, theoil accumulating panel is also used as a plugging-pushing panel for pressing the rolling bearing for supporting the crank shaft.oil accumulating panel is also used as a plugging-pushing panel for pressing the rolling bearing for supporting the crank shaft.
Description
Technical field [0001] The present invention relates to an internal combustion engine, which is provided with an oil lock type camshaft transmission chain tappet and a push plug for absorbing shaking of a rolling bearing of a crankshaft. Background technique [0002] Patent Document 1 discloses a structure in order to ensure the hydraulic pressure of the push rod of the camshaft drive chain tensioner. The opening on one side of the recess provided on the right crankcase is blocked with a plate to form an oil reservoir. Oil the push rod of the camshaft drive chain tensioner. In this structure, a plug that absorbs the backlash of the rolling bearing of the crankshaft is not provided. [0003] On the other hand, Patent Document 2 includes a plunger that absorbs the shaking of the rolling bearing of the crankshaft, but the camshaft drive chain tappet is provided at a remote position in a form different from that of Patent Document 1. [0004] Patent Document 1: JP 2002-309960 A [0005]...
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IPC IPC(8): F02B67/06F16H7/18F16C35/00
Inventor 久保田良味村政秀佐藤岳久
Owner HONDA MOTOR CO LTD