Split type crankshaft connecting rod mechanism simple in structure
A technology of crankshaft connecting rod with simple structure, which is applied in the field of engine spare parts and can solve problems such as crankshaft connecting rod wear, complex structure, and connecting rod breakage
Inactive Publication Date: 2015-03-25
重庆市合川区邓健萍摩托车配件加工厂
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Problems solved by technology
[0002] The crankshaft connecting rod mechanism is an important configuration part in the crankcase structure. In the existing crankcase connecting rod mechanism, the structure in which the counterweight is connected to the gear is generally used. The crankcase with this structure is in the high-speed operation process of the crankcase. It is easy to generate a large frictional resistance in the middle, resulting in poor operation of the crankshaft and connecting rod, frequent impact loads on the crankshaft and connecting rod, severe wear and tear of the crankshaft and connecting rod, resulting in excessive temperature rise of the crankshaft and connecting rod, broken rods and even burning shafts, etc. Phenomenon
In addition, during the working process of the crankshaft, the lubrication of the piston rod pin connecting the connecting rod and the piston rod has an important impact on the overall performance of the engine. However, in the existing structure, the lubrication conditions of the piston rod pin are always poor, and it is difficult to meet the needs.
In addition, due to the complex structure, large demand for compressed air, and the integration of the connecting rod and the piston rod, it is easy to cause problems such as fracture due to insufficient structural strength.
Method used
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[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0015] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" ", etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.
[0016] In addition, "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. T...
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The invention relates to a split type crankshaft connecting rod mechanism simple in structure. The split type crankshaft connecting rod mechanism comprises a connecting rod and a crankshaft connecting box, and the upper end of the connecting rod is rotatably connected with the lower end of a piston rod. A crankshaft connecting cover comprises an upper crankshaft connecting cover body an a lower crankshaft connecting cover body below the upper crankshaft connecting cover body, the upper crankshaft connecting cover body and the lower crankshaft connecting cover body are detachably connected, one end of the bottom of the lower crankshaft connecting cover body obliquely extends downwards, an oil throwing block is formed, and the lower crankshaft connecting cover body and the oil throwing block are of an integral structure. A connecting rod oil storage groove is formed in the inner wall of a groove in the upper end of the connecting rod in the circumferential direction, oil holes are formed in the two side walls of the groove respectively, one end of each oil hole is communicated with the connecting rod oil storage groove, and the other ends of the oil holes are communicated with first pin holes. The problems that due to the fact that in the prior art, the structure is complex, the quantity of needed compressed air is large, and the connecting rod and the piston rod are integral, structural strength is insufficient, and breakage is caused easily are solved.
Description
technical field [0001] The invention relates to engine spare parts, in particular to a split type crankshaft connecting rod mechanism with simple structure. Background technique [0002] The crankshaft connecting rod mechanism is an important configuration part in the crankcase structure. In the existing crankcase connecting rod mechanism, the structure in which the counterweight is connected to the gear is generally used. The crankcase with this structure is in the high-speed operation process of the crankcase. It is easy to generate a large frictional resistance in the middle, resulting in poor operation of the crankshaft and connecting rod, frequent impact loads on the crankshaft and connecting rod, severe wear and tear of the crankshaft and connecting rod, resulting in excessive temperature rise of the crankshaft and connecting rod, broken rods and even burning shafts, etc. Phenomenon. In addition, during the working process of the crankshaft, the lubrication of the pis...
Claims
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IPC IPC(8): F02B75/32F01M1/06F16C3/14F16C9/00
Inventor 杨斌
Owner 重庆市合川区邓健萍摩托车配件加工厂