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Frame structure of motor bicycle

A technology for motorized two-wheeled vehicles and car bodies, which is applied to motor vehicles, bicycle brackets, motorcycles, etc., and can solve problems such as increased weight, larger frames, and larger pivot plates, and achieve the effect of reducing weight and cost

Inactive Publication Date: 2005-06-08
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this will increase the size and weight of the pivot plate, resulting in an increase in cost
In addition, the connection between the pivot plate and the main frame needs a long welding length and needs to be reinforced by multiple patches, so these factors increase the size and weight of the frame, leading to an increase in cost

Method used

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  • Frame structure of motor bicycle
  • Frame structure of motor bicycle
  • Frame structure of motor bicycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Next, an embodiment applicable to an off-road motorcycle will be described with reference to the drawings. Fig. 1-Fig. 9 shows embodiment, and Fig. 1 is the side view of vehicle body whole, figure 2 It is a rear view, Fig. 3 is an enlarged side view of the main part of the frame, Fig. 4 is a side view of the whole frame, and Fig. 5 is a plan view thereof, Image 6 for its back view, Figure 7 It is the enlarged cross-sectional view of line 7-7 in Fig. 4, Figure 8 It is an enlarged side view of the lower end of the lower frame, and Fig. 9 is its bottom view.

[0024] First, the general structure of the entire vehicle body will be described with reference to FIGS. 1 to 3 . The vehicle frame 4 (Fig. 4) supporting the water-cooled four-stroke engine 3 arranged between the front wheel 1 and the rear wheel 2 is diamond-shaped, and is composed of a main frame 5, a seat rail 6, and a lower frame 7. The engine 3 functions as part of the frame 4.

[0025] The main frame 5 i...

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PUM

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Abstract

A body structure of a two-wheeled motor vehicle, wherein: a main frame 5 arranged in the front-rear direction through the top of the engine 3 is formed by a main body part 10 and a pivot part 11, and the rear end part of the pivot part 11 is connected to the seat rail 6 below The lower frame 7 arranged obliquely protrudes the front end portion of the lower frame 7 further downward to form a downward protruding portion 12 . The support piece 43 and the side leg mounting part 47 are provided in the lower extension part 12. As shown in FIG. The support piece 43 doubles as the engine suspension part 44 and the main leg mounting part 45, and utilizes the large lower frame 7 of rigidity to bear the heavy load of the engine 3, the side legs 28, and the main leg 29. In this way, the vehicle frame can be miniaturized and lightened, and the cost can be reduced.

Description

technical field [0001] The present invention relates to a body structure of a two-wheeled motor vehicle, in particular to a body structure of a two-wheeled motor vehicle which is slender, small in size and light in weight. Background technique [0002] As one of the frame structures of motorcycles, a diamond-shaped frame structure in which an engine is used as a part of the frame is known. In this frame structure, the upper part of the engine is arranged in the front-rear direction, and the spine form has one main frame. There are a pair of left and right ribs welded to the rear end of the main frame and arranged elongatedly in the up-down direction. A support plate, a pair of left and right seat rails protruding from the rear of the main frame, and a lower frame arranged under the seat rails and obliquely connecting the seat rails and the pivot support plate, and in the middle of the pivot support plate The rear arm is connected to the rear arm, and the lower end is used a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K11/04B62H1/00B62J99/00
Inventor 林薰与仓康文
Owner HONDA MOTOR CO LTD
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