A quick opening spool
A valve core and valve core sleeve technology, which is applied in the mechanical field, can solve the problems of high valve core processing requirements, affecting normal use, loose sealing gaskets, etc., and achieves the effects of good sealing effect, convenient processing, and reduced processing requirements.
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[0025] Such as figure 1 and Figure 4 As shown, a quick-opening spool includes a spool sleeve 1, a valve stem 2 and a quick-opening chip 3 are arranged in the spool sleeve 1, and the quick-opening chip 3 includes a valve core axially fixed in the spool sleeve 1. The ceramic moving piece 11 and the ceramic fixed piece 12, the lower end surface of the ceramic moving piece 11 is attached to the upper end surface of the ceramic fixed piece 12, the upper end surface of the ceramic moving piece 11 is provided with a card groove 13, and the inner end of the valve stem 2 has a Snap into the convex strip 14 in the card slot 13, and the outer end of the valve stem 2 protrudes from the valve core sleeve 1 and is connected with the hand wheel.
[0026] Such as figure 1 , figure 2 and image 3 As shown, the valve core sleeve 1 includes a sleeve body 4 and a valve stem seat 5 connected to the top of the sleeve body 4, the top of the sleeve body 4 leans against the inner side of the bot...
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