A butterfly valve with high precision adjustment function
A high-precision, functional technology, applied in the direction of valve lift, valve detail, valve device, etc., can solve the problems of difficult-to-rotate angle control, small flow resistance, etc., and achieve the effect of precise angle
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[0042] see figure 1 , 3 And 6-8, a butterfly valve with high-precision adjustment function, comprising a valve pipe casing 1, the inner wall of the valve pipe casing 1 is rotatably connected with a rectangular cavity connecting rod 2, and the outer circumferential surface of the rectangular cavity connecting rod 2 is fixedly connected with a For the shut-off butterfly 3, the upper end of the rectangular cavity connecting rod 2 is rotatably connected with a rectangular cavity connecting rod 4, the upper end of the rectangular cavity connecting rod 4 is fixedly connected with a rectangular cavity gear 5, and the outer circumferential surface of the valve pipe shell 1 is fixedly connected There is a connecting shell 6, the rectangular cavity gear 5 is located in the inner cavity of the connecting shell 6, the upper end of the rectangular cavity gear 5 is rotatably connected with the inner top of the connecting shell 6, and the front surface of the connecting shell 6 is cut with a...
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