A check valve plate for a filter
A check valve and filter technology, applied in the filter field, can solve problems such as poor sealing of check valve plates, poor wear resistance of ring wings, and small application range, so as to prolong service life and enhance Contact structure strength, effect of improving fuel efficiency
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[0012] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0013] Such as figure 1 and figure 2 As shown, a check valve plate for a filter includes a truncated conical body 1 and a conical annular surface 2, and an annular protrusion 3 is provided on the annular outer edge of the conical annulus 2, and the truncated conical The outer wall of the sheet body 1 is provided with an annular step 4, and the outer wall of the annular step 4 is provided with two annular sealing protrusions 5, and the gap between the two annular sealing protrusions 5 is 3mm-5mm. The center of the terraced sheet body 1 is provided with a stepped through hole 6, and the step of the stepped through hole 6 is a ring structure, which can effectively reduce the contact gap between the check valve plate and the inlet pipe and between the check valve plate and the valve core, and improve the performance of the check valve. Integ...
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