Two-wheel motorcycle power unit support structure

A technology of two-wheeled motorcycles and power units, applied in motorcycles, power units, bicycles, etc., can solve the problems of heavy weight, high cost, and excellent rear shock absorber, and achieve shortened support parts, low cost, and light weight Quantify the effect of costing

Inactive Publication Date: 2004-01-28
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the conventional device, the weight of the rear shock absorber itself is large, and the cost is also high
In addition, considering the expansion and contraction range of the rear shock absorber and the swing range of the power unit due to the rolling interaction of the connecting rod, it is necessary to design the arrangement of parts mounted on the side frame of the body frame. It is difficult to say that it is excellent in terms of space efficiency. In addition, the degree of freedom of design including pattern design is limited

Method used

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  • Two-wheel motorcycle power unit support structure
  • Two-wheel motorcycle power unit support structure
  • Two-wheel motorcycle power unit support structure

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Embodiment Construction

[0025] Next, embodiments of the present invention will be described based on embodiments of the present invention shown in the drawings.

[0026] figure 1- Figure 12 Is to show the first embodiment of the present invention, Fig. 1 is a side view of a two-wheeled motorcycle, figure 2 It is a rear sectional top view of a two-wheeled motorcycle along line 2-2 of Fig. 1, image 3 It is the enlarged side view of the rear of the two-wheeled motorcycle, and Figure 4 is image 3 4-4 line sectional view, Fig. 5 is an enlarged front view of Fig. 4, and Fig. 6 is an enlarged cutting side view of the front part of the engine body, along the Figure 7 The sectional view of line 6-6, Figure 7 It is a sectional view of line 7-7 in Fig. 6, Figure 8 Yes Figure 7 8-8 line sectional view, Figure 9 is an enlarged view of important parts of Figure 5, Figure 10 It is an enlarged view of the rear part of Fig. 4, Figure 11 Yes image 3 The enlarged sectional view of line 11-11, Figure...

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PUM

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Abstract

In a motorcycle which comprises a power unit comprising an engine and a transmission for transmitting the output of the engine to a rear wheel through speed change, the power unit being vertically oscillatably borne on a vehicle body frame, and an axle of the rear wheel being shaft-supported on a rear portion of the power unit, the power unit on the vehicle body frame is supported in such a manner as to enable reductions in size, weight and cost while contriving an increase in space efficiency and an increase in the degree of freedom in designing. A vibration-proofing link (188) for vertically oscillatably connecting a front portion of the power unit (P) to the vehicle body frame (15) is provided with an elastic member (199) for restricting the vertical oscillation range of the power unit (P) by making springy contact with a contacted body (200) provided in the vehicle body frame (15), and a non-expandable support member (201) for connecting the power unit (P) and the vehicle body frame (15) to each other while permitting vertical oscillation of the power unit (P) is provided between an upper portion of the power unit (P) and the vehicle body frame (15).

Description

technical field [0001] The present invention relates to a power unit including an engine and a power transmission device that changes the output speed of the engine and transmits the output of the engine to the rear wheels, and is supported on a body frame so as to be swingable up and down. The axles of the rear wheels are pivotally supported on the two rear wheels of the power unit. Motorcycles, especially with respect to improvements in the supporting structure of the power unit. Background technique [0002] In the past, related two-wheeled motorcycles have been known, for example, through Japanese Patent Publication No. 62-20075. Among them, the front part of the power unit can be used to swing up and down on the body frame through a connecting rod. A rear shock absorber is provided at the rear of the unit and between the body frames. [0003] However, in the conventional device, the weight of the rear shock absorber itself is large, and the cost is also high. In addit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K11/04B62K25/20B62K25/28B62M7/02B62M7/12
CPCB62K11/10B62M7/12
Inventor 黒堀誠一若生宏
Owner HONDA MOTOR CO LTD
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