Variable lift rocker arm device
A lift, variable technology, applied in the valve drive device, valve details, etc., can solve problems such as inability to discharge smoothly and discard, inconvenience, difficult assembly, etc.
Inactive Publication Date: 2016-04-20
KYMCO
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AI Technical Summary
Problems solved by technology
This configuration makes the first and second shaft tubes 14, 15 pass through the roller 16, and the ejected support member 2 will be as follows: image 3 As shown, it is blocked by the closed side of the first and second rocker arms 12, 13, and cannot be smoothly discharged and discarded, resulting in difficulty and inconvenience in assembly.
Method used
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Embodiment Construction
[0018] refer to Figure 4 and Figure 5 , is the first embodiment of the variable-lift rocker device of the present invention, and the variable-lift rocker device 4 is installed in an engine device 5 . The engine device 5 includes a camshaft 51 , two valves 52 located on the same side and spaced apart from the camshaft 51 , and an elastic member 53 disposed on the same side as the two valves 52 . The camshaft 51 includes a shaft body 511 , a large protrusion 512 disposed on the shaft body 511 , and a small protrusion 513 disposed on the shaft body 511 at intervals from the large protrusion 512 . The variable head rocker arm device 4 includes a rotating shaft 41 arranged between the camshaft 51 and the two valves 52, a first rocking arm 42 pivoted on the rotating shaft 41, a first rocker arm 42 adjacent to the first The rocker arm 42 is pivoted on the second rocker arm 43 on the rotating shaft 41 , a first roller unit 44 arranged on the first rocker arm 42 , a second roller u...
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The invention relates to a variable lift rocker arm device which is arranged in an engine device and comprises a rotation shaft, a first rocker arm, a second rocker arm, a first roller unit, a second roller unit and a combining pin, wherein the first rocker arm is pivoted on the rotation shaft, and the second rocker arm is close to the first rocker arm and is pivoted on the rotation shaft; the first roller unit is arranged on the first rocker arm, the second roller unit is arranged on the second rocker arm, and the combining pin is arranged in the first roller unit in a sliding manner; the first rocker arm comprises a first rod body part and a first shaft hole penetrating the first rod body part; the second rocker arm comprises a second rod body part and a second shaft hole formed in the second rod body part through. In the assembling process, supporting pieces in a first roller and a second roller can be respectively discharged through the first shaft hole formed in the first rod body part through and the second shaft hole formed in the second rod body part through, and the assembly is convenient.
Description
technical field [0001] The invention relates to a rocker arm device, in particular to a variable-lift rocker arm device for driving air valves. Background technique [0002] refer to figure 1 and figure 2 , the general variable head rocker arm device 1 comprises a rotating shaft 11, a first rocking arm 12 pivotally arranged on the rotating shaft 11, a second rocking arm 12 pivotally arranged on the rotating shaft 11 next to the first rocking arm 12 Arm 13, a first shaft tube 14 inserted on the first rocker arm 12, a second shaft tube 15 inserted on the second rocker arm 13, two pivotally mounted on the first and second rocker arms respectively The rollers 16 on the two shaft tubes 14 , 15 , a joint pin 17 slidably penetrated in the first shaft tube 14 , and a reset member 18 disposed in the second shaft tube 15 . The first shaft tube 14 defines a hydraulic groove 141 for accommodating the coupling pin 17 . The second shaft tube 15 defines an engagement groove 151 for re...
Claims
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IPC IPC(8): F01L1/02
Inventor 杨思待赖信诚陈俊维谢欣融
Owner KYMCO