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Body frame for saddle-riding vehicles

A car body frame and vehicle technology, applied to bicycle racks, motorcycles, motor vehicles, etc., can solve problems such as easy to increase size, difficulty in ensuring rigidity, and small moment of inertia of section, so as to ensure joint rigidity and omit welding process Effect

Active Publication Date: 2018-01-23
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the conventional structure, since most of the cross-section of the rear frame is arranged outside the flange portion in the vehicle width direction, it protrudes outward in the vehicle width direction, and the dimension of the vehicle body frame in the vehicle width direction tends to become large.
On the other hand, if the cross-section of the rear frame is made smaller in the vehicle width direction in order to reduce the dimension in the vehicle width direction, the moment of inertia of the section at the welded portion of the rear frame becomes small, and it may be difficult to secure sufficient rigidity.

Method used

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  • Body frame for saddle-riding vehicles
  • Body frame for saddle-riding vehicles
  • Body frame for saddle-riding vehicles

Examples

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Embodiment Construction

[0060] Next, a motorcycle according to an embodiment of the present invention will be described with reference to the drawings. In the description, descriptions of directions such as front, rear, left, right, and up and down are assumed to be the same as directions relative to the vehicle body unless otherwise specified. In addition, the symbol FR shown in each figure indicates the front of the vehicle body, the symbol UP indicates the upper side of the vehicle body, and the symbol LE indicates the left side of the vehicle body.

[0061]figure 1 It is a left side view of the motorcycle 1 according to the embodiment of the present invention.

[0062] The motorcycle 1 includes a body frame 11 , a front wheel 14 , a handle 15 , a fuel tank 16 , and a power unit 21 . A front end portion of the vehicle body frame 11 is provided with a front pipe 12, a front fork 13 constituting a steering system is pivotally supported on the front pipe 12, the above-mentioned front wheel 14 is piv...

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PUM

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Abstract

The invention relates to a saddle type vehicle frame capable of ensuring cross section inertia of a welding portion of a rear frame and preventing vehicle width direction extrusion; a front end (57F) of a support frame comprises a flange portions (57G, 57H) welded with a side face of a main frame (41), and an expansion portion (57J) expanding inwards to the vehicle width direction from the flanges (57G, 57H); a position, matched with the expansion portion (57J), on the side face of the main frame (41) is provided with a second recessing portion (72) containing the expansion portion (57J).

Description

technical field [0001] The present invention relates to a body frame of a saddle-riding vehicle in which a rear frame is welded to a side surface on the outer side in the vehicle width direction of a main frame. Background technique [0002] Conventionally, the following body frame of a saddle-riding vehicle has been disclosed: a main frame having a front pipe, which is joined to extend rearward from the head pipe, and formed into a U-shaped cross-section by press molding, and a main frame welded to the lower end of the main frame. A support frame (rear frame) extending rearward on the side surface on the outer side in the vehicle width direction (for example, refer to Patent Document 1). In such a vehicle body frame, a flange portion is formed on the rear frame so as to be in contact with the side portion on the outside of the main frame in the vehicle width direction, and the flange portion is welded to the side portion of the main frame. [0003] [Patent Document 1] Japa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K11/08B62K19/08B62K19/20
Inventor 井口贵正竹中正彦
Owner HONDA MOTOR CO LTD
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