Double-cylinder water-cooling cylinder head

The utility model relates to the technical field of engine cylinder heads, and discloses a double-cylinder water-cooling cylinder head which comprises a cylinder head body, a combustion chamber, a chain cavity, a cam shaft and an oil duct, the oil duct penetrates through the cylinder head body, the chain cavity is located in the middle of the cylinder head body, and a cam shaft mounting seat is arranged on the cylinder head body; the cylinder head is characterized in that the cam shaft mounting seat is located in the middle of the top face of the cylinder head body and connected with a cam shaft cover, and an oil groove is formed in the cam shaft cover and communicated with the oil channel and the cam shaft. The thermal load and noise of the engine are reduced, and the performance and reliability of the engine are improved. 本申请涉及发动机气缸头技术领域，公开了一种双缸水冷气缸头，包括气缸头本体、燃烧室、链条腔、凸轮轴和油道，所述油道贯穿所述气缸头本体，所述链条腔位于所述气缸头本体中部，所述气缸头本体上设置有凸轮轴安装座，其特征在于：所述凸轮轴安装座位于所述气缸头本体顶面的中部，所述凸轮轴安装座连接凸轮轴盖，所述凸轮轴盖内设有油槽，所述油槽连通所述油道和所述凸轮轴。降低了发动机的热负荷和噪声，