Engine with rolling screw
A rolling screw and engine technology, applied in the direction of machines/engines, mechanical equipment, etc., can solve problems such as sealing and material problems that cannot be solved
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[0017] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0018] figure 1 In order to convert linear motion into rotary motion, it is composed of rolling spline pair and rolling screw pair arranged in series; rolling spline pair is composed of outer sleeve 2, middle sleeve 4, inner sleeve 1, and steel ball 5. The purpose is to limit the inner sleeve 1 to move axially; the rolling screw pair is composed of a spiral sleeve 6, a middle sleeve 8, an inner sleeve 1, and a steel ball 5. Its function is to drive the spiral sleeve when the inner sleeve 1 moves axially. 6 Turn. Straight grooves and spiral grooves are distributed on the inner sleeve 1 . The outer sleeve 2 of the rolling spline pair is fastened on the cylinder block through the outer cylinder, flange and screw 3; the thrust bearing 7 restricts the screw sleeve 6 from moving axially but can only rotate; sports. Thus, when the piston (see I...
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