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Steering damper device

A technology of shock absorber and shock absorber, which is applied in steering mechanism, transportation and packaging, bicycle accessories, etc. It can solve problems such as difficulty in attenuation force, difficulty in maintaining angle-dependent characteristics of handle steering angle, long shock absorbing stroke, etc.

Inactive Publication Date: 2009-12-16
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, as described in the above-mentioned Patent Document 1, according to the turning direction of the handle, the cylindrical damper contracts when going to one side and expands when going to the other side, and when the handle is switched from the steering angle of 0° to the right and to the left However, it is difficult to obtain different damping forces when the handle is turned from a steering angle of 0° and when it is returned to a steering angle of 0°
Also, it is difficult to maintain the angle dependence property for the handle steering angle
Moreover, as described in the above-mentioned Patent Document 1, in its structure, since a long shock absorbing stroke is required, a miniaturized layout cannot be realized.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] In the figure, Figure 1 to Figure 8 A first embodiment of the steering damper device according to the present invention is shown, figure 1 It is a side view showing main parts of a motorcycle equipped with the steering damper device, figure 2 From figure 1 The front view of the front fork seen from the arrow 2 direction, image 3 is along figure 2 The sectional view of the 3-3 line barrel shock absorber part, Figure 4 and Figure 5 It is an enlarged view for explaining the action of the barrel type shock absorber, Figure 6 is the and figure 2 same front view, Figure 7 is along Figure 6 Sectional drawing of line 7-7, Figure 8 is the characteristic curve of the steering damper.

[0058] Such as figure 1 and figure 2 As shown, the front fork 2 supporting the front wheel 1 of the motorcycle has left and right fork pipes 3, 3, and a fork bridge 4 connecting the upper ends thereof. The fork bridge 4 is composed of a top bridge 4a and a bottom bridge 4b ...

Embodiment 2

[0073] Figure 9 ~ Figure 13 shows a second embodiment of the steering damper device according to the present invention, Figure 9 It is a side view showing main parts of a motorcycle equipped with the steering damper device, Figure 10 From Figure 9 The plan view of the front fork seen in the direction of the arrow 10, Figure 11 is along Figure 10 The sectional view of the barrel shock absorber of the 11-11 line, Figure 12 is the and Figure 10 the same floor plan, Figure 13 is along Figure 12 Sectional drawing of line 13-13.

[0074] In addition, in the second embodiment, parts corresponding to those in the first embodiment are assigned the same reference numerals, and thus redundant explanations are omitted.

[0075] Such as Figure 9 and Figure 10 As shown, in the case of the second embodiment, a stay 28 protruding upward is provided at a position in front of the steering rod 5 in the center of the upper surface of the top bridge 4a forming the upper porti...

Embodiment 3

[0082] Figure 14 and Figure 15 Showing a third embodiment of the steering damper device according to the present invention, Figure 14 is a plan view showing a front fork of a motorcycle equipped with the steering damper device, Figure 15 From Figure 14 The side view seen in the direction of arrow 15.

[0083] In addition, in this third embodiment, parts corresponding to those in the second embodiment are given the same reference numerals, and thus redundant explanations are omitted.

[0084] Such as Figure 14 and Figure 15 As shown, in the case of the third embodiment, a link 38 forming a substantially triangular shape is rotatably supported by a horizontal shaft 39 on the upper surface of an extension portion 6j extending rearward from the upper end portion of the head pipe 6h. Further, a cylindrical damper 40 is arranged between the link 38 and the down tube 6d between the left and right main frames 6m, 6m constituting the vehicle body frame 6 together with the ...

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Abstract

The present invention provides a steering shock absorber, which uses a cheap and simple-structured barrel-type shock absorber, generates a damping force that gradually increases with its switching angle when switching a handle, and does not generate a damping force when turning the handle back, And a steering damper with desired attenuation characteristics. A barrel type shock absorber (10) is arranged between the head pipe (6h) which rotatably supports the steering rod (5) and the fork bridge (4) of the front fork (2), so that the shortest , the cylindrical shock absorber (10) is connected with the head pipe (6h) and the fork bridge (4) through spherical joints (13, 14) respectively. The cylindrical shock absorber (10) is formed to generate a damping force when it is extended, and the handle is switched to either the right or the left side, and the cylindrical shock absorber (10) is elongated to generate a damping force.

Description

[0001] This application is a divisional application of the Chinese invention patent application whose application number is 200410056359.7, the application date is August 9, 2004, and the invention name is "steering damping device". technical field [0002] The present invention relates to a steering damper used in small vehicles such as motorcycles. Background technique [0003] In a motorcycle, steering is performed by operating a handle to rotate a front fork supporting a front wheel around a steering rod rotatably inserted through a headpipe at the front end of a vehicle body frame. In such a two-wheeled motor vehicle, a steering damper device may be provided between a steering-side member that rotates when a handle is operated and a body-side member that does not rotate even when the handle is operated. In this case, the steering damper is required to generate almost no damping torque during normal driving where the handle switching angle is small and the angular veloci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K21/08
CPCB62K21/08
Inventor 后乡和彦渡边昭海
Owner HONDA MOTOR CO LTD
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