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Vehicle body frame and straddle type vehicle equipped with same

A vehicle body frame and straddle-type technology, which is applied in the construction field of the vehicle body frame, can solve the problems of reduced fuel tank capacity, inability to configure components, and small space.

Active Publication Date: 2017-09-22
YAMAHA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when a cross beam is arranged between the upper parts of the two main frames, there is a disadvantage that the space under the fuel tank is divided by the cross beam and becomes narrow, and parts cannot be arranged
However, since the lower surface of the fuel tank is made convex upward, there is a problem that the capacity of the fuel tank decreases

Method used

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  • Vehicle body frame and straddle type vehicle equipped with same
  • Vehicle body frame and straddle type vehicle equipped with same
  • Vehicle body frame and straddle type vehicle equipped with same

Examples

Experimental program
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Embodiment Construction

[0034] Hereinafter, a preferred embodiment will be described in detail based on the drawings.

[0035] Here, as the straddle-type vehicle according to the embodiment, a motorcycle is taken as an example for description. In the following description, the front and rear and the left and right are based on the driving direction of the motorcycle.

[0036] 1. Brief composition of automatic two-wheeler

[0037] figure 1 It is a side view of a motorcycle equipped with a vehicle body frame according to this embodiment. The motorcycle 1 includes a body frame 2. A head pipe 3 is provided at the upper part of the front end of the vehicle body frame 2. A pair of telescopic front forks 4 are rotatably attached to the head pipe 3. A handlebar 5 is connected to the upper part of the front fork 4. A brake lever (not shown) is arranged on the right of the handlebar 5. The front fork 4 is swung by the rotation operation of the handle 5.

[0038] A front wheel 8 is rotatably attached to the lowe...

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Abstract

The present invention relates to a vehicle body frame and a straddle type vehicle equipped with the same. The vehicle body frame (2) includes: a head pipe (3), a pair of tubular left and right main frames (28) connected with the head pipe (3), connected with the head pipe (3) and arranged on the main frame (28) ), and an engine suspension bracket (48) extending downward from the pair of main frames (28). The engine (17) is suspended at a position separated downward from the main frame (28) by an engine suspension bracket (48) extending downward from the main frame (28).

Description

Technical field [0001] The present invention relates to a straddle-type vehicle, and particularly relates to the technology of the structure of the vehicle body frame. Background technique [0002] Conventionally, as the body frame of a straddle-type vehicle, a pipe frame and a cast frame are known. Although the rigidity of the pipe frame is lower than that of the cast frame, it has the advantages of being cheap and easy to process. In the tube frame type vehicle body frame, there is a frame structure having two main frames extending from the head pipe. In this frame structure, in order to increase the rigidity in the width direction, a beam connecting two main frames is generally provided. In addition, fuel tanks are arranged on the upper parts of the two main frames (refer to JP2010-23730A). [0003] However, when a cross beam is arranged between the upper parts of the two main frames, there is a disadvantage that the space under the fuel tank is partitioned by the cross beam ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K11/04B62J35/00B62J37/00
CPCB60K5/12B62J35/00B62J37/00B62K11/04
Inventor 铃木隆
Owner YAMAHA MOTOR CO LTD