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发明公开
CN104061041A 内燃机 有权

内燃机
摘要：
本发明提供一种内燃机，其能够将气缸盖抑制得较小，能够在保养/检查时对气缸盖密封圈面均匀地施加压力，并且能够不费功夫地进行保养/检查。内燃机（10）包括：在进气门（16）（气门杆（81））和排气门（17）（气门杆（84））的上端部（81b、84b）之间设置的紧固螺纹孔（49）；形成为与紧固螺纹孔（49）垂直的气缸盖密封圈面（51）；在气缸盖密封圈面（51）的外周缘（52）上设置的第1～第6定位部（53～58）；能够与第1～第6定位部（53～58）接触的肋（94）；设置于气缸盖罩（18）的紧固凹部（19）；和贯穿紧固凹部（19）的贯穿孔（101）并与紧固螺纹孔（49）螺纹结合的紧固螺栓（21）。
摘要（英）：

The invention provides an internal combustion engine which can reduce the size of a cylinder head, uniformly apply a pressure on a cylinder head seal ring surface the when maintenance/inspection is performed, and the maintenance/inspection is performed without taking much time and energy. The internal combustion engine (10) comprises a fastening screw hole (49) arranged between upper ends (81b, 84b) of an intake valve (16) (valve stem (81)) and an exhaust valve (17) (valve stem (84)), the cylinder head seal ring surface (51) formed in a manner perpendicular to the fastening screw hole (49), six positioning parts (53-58) arranged on an outer peripheral edge of the cylinder head seal ring surface (51), a rib (94) capable of contacting the six positioning parts (53-58), a fastening recess (19) arranged in the cylinder head (18), and a fastening bolt (21) penetrating a through hole (101) of the fastening recess (19) and engaged with the fastening screw hole (49).

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