Air valve correct time-lift adjusting mechanism
A technology of adjusting mechanism and valve timing, which is applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems of inability to adjust the valve timing and lift of the engine, and achieve the effect of easy promotion, convenient manufacture and emission reduction.
Pending Publication Date: 2018-06-22
JILIN UNIV
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The invention discloses an air valve correct time-lift adjusting mechanism to overcome the disadvantage that an existing engine air valve is fixed in correct time and lift. The air valve correct time-lift adjusting mechanism comprises an air valve, an L-shaped support, a swing arm, a rack, a first reset spring, a pin a, a first stepping motor, a gear, a connecting device, a guide rail, a connecting plate, a connecting rod, a second stepping motor, a rotary arm, a pin b, a bent stick connecting rod, a pin c, a pin d, a cam, a second reset spring, an air cylinder cover and a swing arm support. The L-shaped support is fixedly connected to the air cylinder cover, and the connecting device and the second stepping motor are mounted on the L-shaped support. The swing arm drives the air valve to be opened and closed, the upper half portion of the rack is arranged between the guide rail and the gear, and the lower end of the rack is arranged on the upper surface of the swing arm. The first stepping motor is mounted on the connecting device, and the gear is fixedly connected to the first stepping motor and engaged with the rack. The guide rail is fixedly connected to the connecting plate, and slidably connected with the upper half portion of the rack. The connecting rod is connected with the bent stick connecting rod and the rack, and the rotary arm is fixedly connected to the second stepping motor. The upper end of the bent stick connecting rod is connected with the pin b, and the lower end of the bent stick connecting rod is connected with the cam.
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