Cooperation structure of engine (air) intake valve and cylinder head

The utility model relates to a cooperation structure of engine (air) intake valve and cylinder head, including cylinder head body, (air) intake valve, characterized by: the (air) intake valve direct with the cooperation of cylinder head body. It can obtain higher tumble ratio and discharge coefficient, improves the inlet characteristic to improve economic nature of engine and dynamic property, canimprove assembly efficiency, reduce cost, can increase sealing conical face's hardness and abrasion resistance. 本实用新型涉及种发动机进气门与气缸盖的配合结构，包括气缸盖本体、进气门，其特征是：所述进气门直接与所述气缸盖本体配合。其能够得到较高的滚流比和流量系数，提高进气道性能，从而改善发动机经济性和动力性；能够提高装配效率，降低成本；能够增加密封锥面的硬度和耐磨性。