| 摘要 |
PURPOSE: A check valve for a coupler is provided to increase fluid passage cross section between each fluid discharge guide and increase fluid supply volume by forming multiple fluid discharge guides in a branched linear shape. CONSTITUTION: A check valve for a coupler comprises an opening and shutting body(42), a fluid discharge guide(44), and a pushing support unit(46). The front surface of the opening and shutting body adheres closely to a packing member built in a coupler. The fluid discharge guide is radially branched at the front end of the opening and shutting body based on the central part in order to form a fluid flow space. The pushing support unit is integrated with the outer end of the fluid discharge guide. The pushing support unit forms a fluid supply path by separating the opening and shutting body from the packing member.
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