Compact high-power speed reduction gear ring for starting machine of diesel vehicle
A starter, compact technology, applied in the direction of engine components, machine/engine, engine starting, etc., can solve the problems of weight increase, development limitation, cost increase, etc., and achieve the goal of reducing volume, optimizing wall thickness, and optimizing height Effect
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[0016] like figure 1 , 2 As shown, the ring gear body 1 of the conventional powder metallurgy reduction gear ring is provided with a reduction gear 2, a whole circle of flange edges 4 are arranged outside the ring gear body 1, and a positioning rib 3 is arranged on the flange edge 4, and the ring gear body 1 The thickness (wall thickness) is 4mm, and the thickness of flange edge 4 and positioning rib 3 is 6.33mm.
[0017] like image 3 , 4 As shown, the reduction gear ring of the present invention cancels the entire flange 4, the thickness of the ring gear body 1 is changed to 3.2mm, and there are four strip-shaped positioning ribs 3 evenly distributed outside the ring gear body 1, and the positioning ribs 3 protrude from the teeth The bottom of the ring body 1. The thickness of the positioning rib 3 is 2.74 mm, and the width of the positioning rib 3 is increased to 9 mm to increase the positioning contact area.
[0018] In general, the reduction gear ring of the present ...
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