Mechanical counting non-return drainer with ratchet
A technology of drains and ratchets, applied in mechanical equipment, membrane filters, engine components, etc., can solve the problems of no counting function, unreliable self-weight effect, inconvenience, etc., to achieve a more rational structure, reduce self-weight, and improve work. The effect of efficiency
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[0021] Such as figure 1 As shown, the present invention designs a ratchet mechanical counting backstop drainer, which includes a valve sleeve 1, an inner sleeve 2, a central cylinder 3, a valve core 4, a top cover 5, a ratchet 7, a counting disc 8, and a valve core column 9 , filter screen 17, the valve sleeve 1 is connected with the bottom of the pool to form a communicator, the valve sleeve 1 is connected with an inner sleeve 2, the inner sleeve 2 is connected with the valve sleeve 1 through a rubber ring a, and the inner sleeve 2 is provided with a central cylinder 3, the outer side of the central cylinder 3 is connected with the inner sleeve 2, and the inner side is connected with the valve core 4; wherein the center of the upper end of the valve core 4 is provided with a threaded hole, which is threadedly connected with the valve core column 9; The top of the inner sleeve 2 is provided with a top cover 5, and the top cover 5 and the inner sleeve 2 are connected by screws;...
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