Check valve for engine
A check valve and engine technology, applied in engine components, engine control, machine/engine, etc., can solve the problems of small gas flow cross-sectional area, large airflow resistance, and reduced reliability, and achieve small size, easy assembly, and sealing good performance
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[0021] The structure of the present invention is described in detail below in conjunction with accompanying drawing:
[0022] Such as figure 1 As shown, the one-way valve is composed of an upper casing 1 , a lower casing 2 , a diaphragm 3 and a supporting sheet 4 .
[0023] Such as figure 2 As shown, the upper casing 1 is two-section cylindrical, and the upper cylinder is slightly longer, which is the air inlet 16 of the whole valve (see figure 1 ), the lower section of the cylinder is the assembly part 7 for assembling the diaphragm 3 and the supporting sheet 4 of the upper shell, and an assembly ring 18 is formed on the outer periphery of the assembly part, which is connected and assembled with the lower shell 2 . There is a first positioning boss 5 in the center of the assembly part, and the first positioning boss 5 is supported by a positioning boss bracket 6 connected to the cylinder wall of the assembly part. There are multiple positioning boss supports 6 arra...
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