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Saddled vehicle

A straddle-type vehicle and frame technology, which is applied to motorcycles, motor vehicles, bicycles, etc., can solve problems such as beam deformation and difficulty in reducing weight, and achieve the effects of improved assembly, easy welding operations, and improved welding strength

Active Publication Date: 2012-05-30
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the conventional straddle-type vehicle described above, the pair of engine mounting bosses and the pair of rear bumper link bosses are arranged offset from each other in the vehicle width direction. The loads transmitted by the engine act to bend the beam, possibly exerting loads on the beam that deform it
Therefore, it is necessary to use a large beam with high strength, which makes it difficult to achieve weight reduction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Deformed example 1

[0102] Image 6 It is a side view showing the lower hook 148 and the link connecting bracket 170 in Modification 1 of the embodiment.

[0103] In addition, in this modification 1, the same code|symbol is attached|subjected to the part comprised similarly to the said embodiment, and description is abbreviate|omitted.

[0104] A lower hook 148 fixed to a front portion 28A of the lower beam 28 has a rear end 148B extending to an upper end 28D of the lower beam 28 . The link connecting bracket 170 fixed to the rear portion 28B of the link connecting bracket 170 has a front end 170B extending to the upper end 28D of the lower cross member 28 . The rear end 148B contacts the front end 170B at the upper end 28D to form a contact portion 175 .

[0105] In Modification 1, in addition to the contact portion 75 at the lower end 28C, the lower hook 148 and the contact portion 175 at the upper end 28D of the link connecting bracket 170 are also welded in contact with each other, so that ...

Deformed example 2

[0108] Figure 7 It is a side view showing the bracket member 200 in Modification 2 of the embodiment.

[0109] In addition, in this modification 2, the same code|symbol is attached|subjected to the part comprised similarly to the said embodiment, and description is abbreviate|omitted.

[0110] Bracket member 200 is formed in a flat plate shape extending in the vehicle front-rear direction. The bracket member 200 has an arc-shaped joining portion 200A formed in an arc shape along the circular outer peripheral shape of the cross-section of the lower beam 28 at the upper edge of the front-to-back intermediate portion, and the arc-shaped joint portion 200A is fixed to the lower beam by welding. 28 on the lower surface side. The bracket member 200 is provided in a state where the upper edge 200B is substantially horizontal. The arc-shaped engaging portion 200A is a recess formed in a semicircular shape, and is fixed in a state of being engaged with the lower half of the outer p...

Deformed example 3

[0115] Figure 8 It is a side view showing the bracket member 300 in Modification 3 of the embodiment.

[0116] In addition, in this modification 3, the same code|symbol is attached|subjected to the part comprised similarly to the said modification 2, and description is abbreviate|omitted.

[0117] In Modification 3, the tubular beam connecting the lower portions of the left and right center frames 19 is constituted by the lower beam 328 having a rectangular square cross section.

[0118] The bracket member 300 is formed in a flat plate shape extending in the vehicle front-rear direction. The link connection bracket portion 270 and the lower hook portion 248 are integrally provided on the bracket member 300 .

[0119] The bracket member 300 has a concave joint portion 300A formed along the front surface 328A, the lower surface 328B, and the rear surface 328C of the lower beam 328 at the upper edge portion of the front and rear middle portion, and the concave joint portion 30...

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PUM

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Abstract

A saddled vehicle having a cross-member which is reduced in weight by preventing a non-uniform load from acting on the cross-member. A saddled vehicle provided with: a vehicle body frame (11) for suspending an engine (12); a swing arm (14) for pivotably suspending a rear wheel (WR); a pair of left and right pivot sections (29) for forming a part of the vehicle body frame (11) and pivotably supporting the swing arm (14); a lower cross-member (28) for connecting the pivot sections (29); a rear cushion (32) for applying an elastic force to the swing arm (14); a link mechanism (31) to which the lower end (32A) of the rear cushion (32), the swing arm (14), and the pivot sections (29) are connected; link connection stays (70) which are formed behind the lower cross-member (28) and to which the link mechanism (31) is connected; and lower hangers (48) which are formed in front of the lower cross-member (28) and to which the engine (12) is affixed. The link connection stays (70) are formed at the same position in the widthwise direction of the vehicle, and so are the lower hangers (48).

Description

technical field [0001] The present invention relates to a straddle type vehicle provided with a link mechanism on a rear shock absorber. Background technique [0002] Conventionally, a straddle-type vehicle is known in which a vehicle frame includes a pair of left and right pivot plates, a cross member connecting the lower ends of the left and right pivot plates, and a cross member provided at the front of the cross member. There are a pair of bosses for mounting the engine, and a pair of bosses for a rear bumper link connecting the rear bumper are formed at the rear of the beam (for example, refer to Patent Document 1). [0003] 【Prior technical literature】 [0004] 【Patent Literature】 [0005] [Patent Document 1] Japanese Patent Laid-Open No. 2007-62618 [0006] However, in the above-mentioned conventional straddle-type vehicle, the pair of engine mounting bosses and the pair of rear bumper link bosses are arranged offset from each other in the vehicle width direction. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K25/20B62K11/00B62M7/02
CPCB62K25/20B62K25/283B62M7/02B62K25/286B62K11/04
Inventor 藤山孝太郎中川英亮井神晓
Owner HONDA MOTOR CO LTD
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