JPS61179312U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案装置の一実施例を示すもので、第
１図は本考案装置を備えた内燃機関の動弁機構部
分の縦断面図、第２図は第１図―線に沿う部
分横断面図、第３図は第２図―線に沿う部分
縦断面図である。 １…シリンダブロツク、２…シリンダヘツド、
４…ヘツドボルト、１１…動弁機構、２５…給油
通路、２８…オリフイス、２９…係止段部。 The drawings show an embodiment of the device according to the present invention, and FIG. 1 is a longitudinal cross-sectional view of a valve mechanism portion of an internal combustion engine equipped with the device according to the present invention, and FIG. 2 is a partial cross-sectional view taken along the line shown in FIG. 1. 3 is a partial vertical sectional view taken along the line of FIG. 2. 1...Cylinder block, 2...Cylinder head,
4... Head bolt, 11... Valve mechanism, 25... Oil supply passage, 28... Orifice, 29... Locking step.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダブロツク上にヘツドボルトを以て結着
されるシリンダヘツドに、動弁機構を組付けてな
る内燃機関において、前記シリンダヘツドには、
前記動弁機構に給油するための給油通路を形成し
、この給油通路の途中に該通路を流れる油の流量
を制御するためのオリフイスを設け、このオリフ
イスの一端面を前記給油通路に形成した係止段部
に係合させ、またその他端面を前記ヘツドボルト
の外側面に対面させたことを特徴とする内燃機関
における動弁機構の給油装置。 In an internal combustion engine in which a valve mechanism is assembled to a cylinder head that is fastened to a cylinder block with a head bolt, the cylinder head includes:
An oil supply passage for supplying oil to the valve operating mechanism is formed, an orifice is provided in the middle of the oil supply passage for controlling the flow rate of oil flowing through the passage, and one end surface of the orifice is formed in the oil supply passage. 1. A refueling device for a valve train in an internal combustion engine, characterized in that the oil supply device is engaged with a stop portion, and the other end face faces the outer surface of the head bolt.