Hydraulic tappet mechanism with engine valve lift being continuously variable
A technology of valve lift and hydraulic tappet, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of partially lifting the engine, high production cost, inconvenient layout, etc., and achieve improved fuel economy, simple structure, Easy to place effects
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Embodiment 1
[0026] see figure 1 and figure 2 , This embodiment provides an engine continuously variable valve lift (CVHLA) hydraulic tappet mechanism, including an upper cover 1, a control wheel 2, a one-way valve 3, a return spring 4, a control valve rod 5 and a housing 6.
[0027] Wherein, the upper end cover 1 is threadedly connected with the casing 6 , and the casing 6 is provided with an oil drain channel and a groove 9 .
[0028] The control wheel 2 is arranged inside the housing 6. The control wheel 2 has an incomplete gear structure, and its angle is controlled by a rack. In this embodiment, the diameter of the control wheel 2 is 16 mm.
[0029] The center of the control wheel 2 is provided with a central hole, and the control valve rod 5 is passed through the central hole.
[0030] The one-way valve 3 is arranged at the bottom end of the control valve stem 5, and the outside of the one-way valve 3 is provided with a piston 7. In this embodiment, the diameter of the piston 7 is...
Embodiment 2
[0036] see figure 1 and figure 2 , This embodiment provides an engine continuously variable valve lift (CVHLA) hydraulic tappet mechanism, including an upper cover 1, a control wheel 2, a one-way valve 3, a return spring 4, a control valve rod 5 and a housing 6.
[0037] Wherein, the upper end cover 1 is threadedly connected with the casing 6 , and the casing 6 is provided with an oil drain channel and a groove 9 .
[0038] The control wheel 2 is arranged inside the housing 6. The control wheel 2 has an incomplete gear structure, and its angle is controlled by a rack. In this embodiment, the diameter of the control wheel 2 is 14 mm.
[0039] The center of the control wheel 2 is provided with a central hole, and the control valve rod 5 is passed through the central hole.
[0040] The one-way valve 3 is arranged at the bottom end of the control valve rod 5, and the outside of the one-way valve 3 is provided with a piston 7. In this embodiment, the diameter of the piston 7 is ...
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