Single-cylinder internal combustion engine and balancing mechanisms thereof
A technology of balancing mechanism and internal combustion engine, which is applied to machines/engines, mechanical equipment, inertial force compensation, etc., can solve the problems of complex structure, inability to balance the second-order reciprocating inertial force, etc., and achieve the effect of simple structure of the balancing mechanism
Active Publication Date: 2016-04-27
SAIC MOTOR
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Problems solved by technology
[0005] The problem to be solved by the present invention is: the balance mechanism of the existing single-cylinder internal combustion engine can only balance the first-order reciprocating inertial force produced by the single-cylinder internal-combustion engine, but cannot balance the second-order reciprocating inertial force produced by the single-cylinder internal-combustion engine, or the structure is very complicated
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[0035] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0036] combine Figure 1 to Figure 2 As shown, the single-cylinder internal combustion engine of the present embodiment includes:
[0037] The crankshaft 1 has a connecting pin 10 and two eccentric journals 11, the two eccentric journals 11 are arranged symmetrically with respect to the connecting pin 10 along the axial direction of the crankshaft 1, and the center line O of the connecting pin 10 1 , Center line O of eccentric journal 11 2 Located on the center line O of crankshaft 1 along the radial direction of crankshaft 1 3 both sides of
[0038] Two balance mechanisms 2 are sleeved on two eccentric journals 11 respectively;
[0039] Four guide holes 3 provided on the cylinder wall, two guide holes 3 are located on one axial side o...
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The invention provides a single-cylinder internal combustion engine and balancing mechanisms thereof. Each balancing mechanism comprises a rotating block, an eccentric partand two oscillating rods, wherein therotating block is provided with a first through hole and comprises a first secondary rotating block and a second secondary rotating block which are detachably fixedly connected; the first secondary rotating block and the second secondary rotating block form the first through hole; theeccentric part comprises an eccentric part body which is provided with a second through hole, and the eccentric part body rotatably sleeves the rotating block; central axes of the first through hole and the second through hole are parallel to each other; and the two oscillating rods are radially positioned at two sides of the eccentric part bodyalong the eccentric part bodyand are fixed to the eccentric part body. The single-cylinder internal combustion engine and the balancing mechanisms thereof can solve the following problems thatthe balancing mechanism of an existing single-cylinder internal combustion engine can balance the first-order reciprocating inertia force, rather than the second-order reciprocating inertia force generated in the single-cylinder internal combustion engine, or the structure of the balancing mechanism is complex.
Description
technical field [0001] The invention relates to the technical field of internal combustion engines, in particular to a single-cylinder internal combustion engine and a balance mechanism thereof. Background technique [0002] When the single-cylinder internal combustion engine is running, it will generate reciprocating inertial force and rotational inertial force, which will cause the internal combustion engine to vibrate and make the internal combustion engine run unbalanced. For this reason, it is necessary to provide a balance mechanism for balancing the reciprocating inertial force and the rotating inertial force in the single-cylinder internal combustion engine. [0003] A kind of balancing mechanism used for balancing the reciprocating inertial force of the existing single-cylinder internal combustion engine is a uniaxial balancing mechanism. When the single-cylinder internal combustion engine is working, the uniaxial balancing mechanism can only balance the first-orde...
Claims
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IPC IPC(8): F02B75/40F16F15/26
Inventor 戴基卉尹琪郝晓伟邵强吴锡江李相超黄旭
Owner SAIC MOTOR