Electromagnetically-driven buffer type gas injection valve
The invention discloses an electromagnetically-driven buffer type gas injection valve. The electromagnetically-driven buffer type gas injection valve comprises a valve body, a valve core, a valve seat and a buffer mechanism, wherein a valve plate of the valve core is provided with an outer sealing c...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an electromagnetically-driven buffer type gas injection valve. The electromagnetically-driven buffer type gas injection valve comprises a valve body, a valve core, a valve seat and a buffer mechanism, wherein a valve plate of the valve core is provided with an outer sealing conical surface; the valve seat is provided with an inner sealing conical surface; a cone angle of the outer sealing conical surface is greater than or smaller than that of the inner sealing conical surface; the buffer mechanism comprises a buffer seat which is provided with an end cover; the buffer seat is fixedly arranged on the valve body; a buffer block and a damping block are movably arranged in a cavity defined by the buffer seat and the end cover; the buffer seat is provided with an impact surface; a part of the damping block is positioned between the impact surface of the buffer seat and the inner side end surface of the end cover; an elastic cushion is arranged between the part of the damping block and the |
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