JP2009226961A - Screen support structure for motorcycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screen support structure for a motorcycle, capable of not only moving a windscreen up and down but also adjusting a distance between the windscreen and a driver. <P>SOLUTION: The screen support structure comprises the windscreen 51 provided above an upper cowling 41 covering the front upper part of a vehicle body, and rail parts 61, 61 supporting the windscreen 51 so as to be movable up and down, and provided inside the upper cowling 41 extending in the vertical direction, sliders 62, 62 engaging with the rail parts 61, 61 for sliding on the rail parts 61, 61, and a connection plate 53 connecting the sliders 62, 62 to the windscreen 51. The rail parts 61, 61 are rockingly supported at their lower parts on a bracket 50 of the vehicle body. Inclination angle adjusting mechanisms 70 are provided on the upper sides of the rail parts 61, 61 for adjusting the inclination angles of the rail parts 61, 61, respectively. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a screen support structure for a motorcycle that supports a wind screen so as to be movable up and down.

In general, a motorcycle is known in which a wind screen is supported on a cowling covering a front upper part of a vehicle body so as to be movable up and down. In this type, the vertical position of the wind screen can be adjusted according to the user's preference etc., so that, for example, the wind screen is moved upward during high speed driving to suppress the wind pressure to the driver, The windscreen can be moved downward at low speeds so that the driver can moderately feel the wind pressure, and comfort during driving can be improved (see, for example, Patent Document 1).
JP 2003-81160 A

  By the way, in this kind of thing, the distance between the windscreen and the driver is changed depending on the physique and seat position of the driver, so even if the windscreen is adjusted to the same height, the change in the distance The wind pressure felt by the driver during driving may vary greatly. However, in the conventional configuration, although the vertical position of the wind screen can be adjusted, the distance between the wind screen and the driver cannot be adjusted.

  The present invention has been made in view of the above-described circumstances, and provides a screen support structure for a motorcycle that not only moves the windscreen up and down but also adjusts the distance between the windscreen and the driver. It is aimed.

In order to solve the above-mentioned problems, the present invention provides a screen support structure for a motorcycle that includes a wind screen above a cowling that covers a front upper portion of a vehicle body, and that supports the wind screen so as to be movable up and down. A rail that is provided and extends vertically, a slider that engages with the rail and slides on the rail, and a screen arm that connects the slider and the windscreen, and the rail includes a lower portion of the vehicle body. And an inclination angle adjusting mechanism for adjusting the inclination angle of the rail is provided at the upper portion of the rail.
According to this configuration, the vertically extending rail is pivotally supported at the lower part thereof so as to be swingable, and the tilt angle adjusting mechanism for adjusting the tilt angle of the rail is provided at the upper part of the rail. The movement of the mechanism causes the rail to swing around the bottom and adjust the tilt angle, so that the windscreen can be moved up and down along the rail, and the distance between the windscreen and the driver is adjusted. can do. Therefore, by adjusting the height position of the wind screen and the distance between the wind screen and the driver, the position of the wind screen is adjusted to a position suitable for the physique and seat position of the driver. As a result, the ride comfort can be improved.

  In this configuration, the tilt angle adjusting mechanism includes a nut provided on a connecting stay that connects the pair of left and right rails, a bolt that is supported by the cowl stay of the vehicle body and that is screwed into the nut, and rotates the bolt. It is good also as a structure provided with the operation knob for making it do. According to this configuration, by rotating the bolt supported by the cowl stay of the vehicle body via the operation knob, the distance between the bolt and the nut provided on the connecting stay that connects the rail is changed. Therefore, the configuration of the tilt angle adjusting mechanism that adjusts the tilt angle of the rail can be simplified.

In the present invention, the vertically extending rail pivotally supports the lower part of the rail in a swingable manner, and has an inclination angle adjusting function for adjusting the inclination angle of the rail at the upper part of the rail. By the operation, the rail swings around the lower portion and the inclination angle is adjusted, so that the wind screen can be moved up and down along the rail, and the distance between the wind screen and the driver can be adjusted.
The tilt angle adjusting mechanism includes a nut provided on a connecting stay that connects the pair of left and right rails, a bolt that is supported by the cowl stay of the vehicle body and screwed into the nut, and an operation knob for rotating the bolt. Therefore, by rotating the operation knob, the distance between the cowl stay and the connecting stay of the vehicle body is changed and the inclination angle of the rail is adjusted. Therefore, the configuration for adjusting the inclination angle of the rail can be simplified.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. In the description, descriptions of directions such as front and rear, left and right, and top and bottom follow the directions as viewed from the driver who drives the vehicle body.
FIG. 1 is a side view of a motorcycle according to an embodiment of the present invention.
The motorcycle 10 includes a body frame 11, a pair of left and right front forks 13 rotatably supported by a head pipe 12 attached to a front end portion of the body frame 11, and a top bridge that supports an upper end portion of the front fork 13. 14, a steering handle 15 attached to 14, a front wheel 16 rotatably supported by the front fork 13, an engine 17 supported by the vehicle body frame 11, and an exhaust connected to the engine 17 via an exhaust pipe 18. A muffler 19, a rear swing arm 21 that is swingably supported by a pivot 20 at the lower rear of the vehicle body frame 11, and a rear wheel 22 that is rotatably supported at the rear end of the rear swing arm 21. A rear cushion 23 is disposed between the rear swing arm 21 and the vehicle body frame 11.

  The vehicle body frame 11 includes a pair of left and right main frames 25 that branch left and right from the head pipe 12 and extend obliquely rearward and downward, a pivot plate 26 connected to the rear portion of the main frame 25, and a downward extension from the head pipe 12. A down tube 27 that is bent and extends rearward and connected to the pivot plate 26 and a pair of left and right seat rails 29 that extend rearward from the main frame 25 and the pivot plate 26 are provided. The engine 17 is supported in a space surrounded by the main frame 25, the pivot plate 26, and the down tube 27, and a drive shaft that constitutes a power transmission mechanism that transmits the power of the engine 17 to the rear wheel 22 is a rear swing arm 21. It is arranged in the inside.

An air cleaner 31 and a fuel tank 32 are supported on the main frame 25, and the air cleaner 31 is connected to the engine 17 via a throttle body 38. An injector that injects fuel in the fuel tank 32 is attached to the throttle body 38, and fuel is mixed with clean air supplied from the air cleaner 31 by the injector and supplied to the engine 17. The engine 17 of the motorcycle 10 is a so-called V-type two-cylinder engine.
The seat rail 29 supports an occupant seat 33 and a grab rail 34, and the down tube 27 supports a radiator 36.

  The motorcycle 10 is provided with a vehicle body cover 40 that covers the vehicle body. The vehicle body cover 40 includes an upper cowling (cow ring) 41 that covers the front portion of the vehicle body, and a pair of left and right side covers 42 that cover the vehicle body side portions. The rear seat cowling 43 that covers the rear part of the vehicle body is provided. A front fender 46 that covers the front wheel 16 is attached to the front fork 13, and a rear fender 47 that covers the rear wheel 22 is attached to the rear seat cowling 43.

The upper cowling 41 is fixed to the head pipe 12 via a bracket (cowl stay) 50. A headlight 41A is disposed on the front surface of the upper cowling 41, and a blinker 41B is disposed on the left and right ends. A wind screen 51 made of a transparent resin material is disposed above 41A.
The wind screen 51 can be moved in the vertical direction by a moving mechanism 60 (described later) fixed to the bracket 50 to adjust its height. Specifically, the wind screen 51 is configured to move in the front-rear direction when moving in the up-down direction, and the height position thereof increases as it goes rearward of the vehicle body. In this embodiment, the operating direction of the wind screen that moves back and forth and up and down is simply referred to as the up and down direction.

  Further, the side cover 42 is formed in a rectifying shape in which the air from the front of the vehicle is not directly applied to the driver's knee or the like but flows around it. The rear seat cowling 43 is integrally formed with a pair of left and right saddlebacks 44. That is, the motorcycle 10 secures a large capacity loading space by the saddle back 44 and secures an excellent wind protection effect by the relatively large body cover 40 and the wind screen 51, and is suitable for long-distance traveling. It is configured as a vehicle (so-called tourer type).

Next, the wind screen 51 will be described together with its peripheral configuration. FIG. 2 is a perspective view showing an arrangement configuration of the wind screen 51, the moving mechanism 60, and the bracket 50. In FIG. 2, the upper cowling 41 is not shown.
As shown in FIG. 2, the bracket 50 extends rearward from the left and right of the metal pipe 50A, a metal pipe 50A bent in a substantially U shape, a cross pipe 50B provided between the upper portions of the metal pipe 50A, and the metal pipe 50A. A pair of left and right stays 50C, 50C connected to the head pipe 12 are provided. A plurality of bolt receiving portions 50D are disposed on the metal pipe 50A, and the upper cowling 41 (FIG. 1), the headlight unit, and the like are bolted to the bolt receiving portions 50D.
The metal pipe 50A is provided with shaft fixing portions 50E and 50E in the vicinity of the connecting portions with the stays 50C and 50C, respectively, and a support shaft 55 is bolted between the shaft fixing portions 50E and 50E. ing. A movement mechanism 60 that supports the wind screen 51 so as to be movable up and down is attached to the support shaft 55 and the cross pipe 50B.

The moving mechanism 60 includes a pair of left and right rail portions 61 and 61 extending substantially in the vertical direction of the vehicle body, and sliders 62 and 62 slidably supported by the rail portions 61 and 61, respectively. These sliders 62, 62 extend upward through the upper cowling 41 (FIG. 1), and connecting plates (screen arms) 53, 53 are fixed to the upper portions thereof by a plurality of screws 52. The wind screen 51 is fixed with a plurality of screws 54.
The rail portions 61 and 61 are disposed so as to incline rearward of the vehicle body, and are formed in a bow shape in which the inclination angle approaches substantially vertical as it goes upward. For this reason, when the sliders 62 and 62 are guided by the rail portions 61 and 61, the wind screen 51 connected to the sliders 62 and 62 via the connection plates 53 and 53 moves up and down while changing the inclination angle. Move to. In this embodiment, the moving mechanism 60 is formed in a manual type in which a user (driver or the like) moves the wind screen 51 by hand.

Moreover, the rail parts 61 and 61 are provided with a shaft insertion part 61A through which the support shaft 55 is inserted, and are pivotally supported by the bracket 50 around the support shaft 55. In addition, connecting portions 61B and 61B are provided at the upper portions of the opposing surfaces of the rail portions 61 and 61, and a connecting stay 63 is bolted between the connecting portions 61B and 61B.
The connecting stay 63 is disposed above the cross pipe 50B of the bracket 50, and the rail portions 61 and 61 are swung around the support shaft 55 between the connecting stay 63 and the cross pipe 50B. An inclination angle adjusting mechanism 70 for adjusting the inclination angle of the rail portions 61 and 61 is disposed.

Next, a specific configuration of the tilt angle adjusting mechanism 70 will be described.
FIG. 3 is an exploded perspective view showing the tilt angle adjusting mechanism 70 and its peripheral configuration.
As described above, the support shaft 55 is inserted into the hole 71 of the shaft insertion portion 61 </ b> A of the rail portions 61, 61, and the support shaft 55 is fixed to the shaft fixing portion 50 </ b> E of the bracket 50 with the bolt 72. Here, a positioning member such as a snap ring is disposed on the support shaft 55 at a predetermined position where the rail portions 61 and 61 are disposed, and the rail portions 61 and 61 are positioned in the axial direction. The rail portions 61 and 61 are connected to the connecting portions 61B and 61B of the rail portions 61 and 61 by fixing a connecting stay 63 with a bolt 73.

The connecting stay 63 has a substantially U-shaped cross section with the bottom open, and a pair of left and right projecting pieces 63A and 63A projecting toward the rear of the vehicle body are formed at a substantially central portion of the rear surface. The projecting pieces 63A and 63A are provided with through holes 74 and 74, and the shaft member 64 is rotatably disposed between the projecting pieces 63A and 63A through the through holes 74 and 74. The shaft member 64 is formed with a screw hole 64A that penetrates the shaft member 64 in the diametrical direction. In this embodiment, the shaft member 64 functions as a nut.
The cross pipe 50B is provided with a support member 56 that supports a male screw member 57 as a bolt that is screwed into the screw hole 64A of the shaft member 64. The support member 56 rotatably supports the male screw member 57. Specifically, the rear end portion 57A of the male screw member 57 has a rod shape in which no male screw is formed. The rear end portion 57A has a stopper 80 that is larger than the hole of the support member 56, and a front side from the stopper 80. A groove (not shown) in which a positioning member such as the E-ring 81 is fitted is provided at a position separated by a predetermined distance. The groove is formed at a position where the distance from the groove to the stopper 80 is substantially the same as the thickness of the support member 56. For this reason, the male screw member 57 is inserted into the hole of the support member 56 from the rear, and the E ring 81 is fitted into the groove of the rear end portion 57A of the male screw member 57 on the front side of the support member 56. Is positioned on the support member 56. Thus, the male screw member 57 is positioned on the support member 56 and is rotatably supported.
An operation knob 59 for rotating the male screw member 57 is connected to the rear end of the male screw member 57 via a flexible joint 58 having elasticity. In the present embodiment, the tilt angle adjusting mechanism 70 is supported by the shaft member 64 provided between the projecting pieces 63A and 63A of the connecting stay 63 and the support member 56 of the cross pipe 50B, and the screw hole of the shaft member 64. A male screw member 57 that is screwed into 64A and an operation knob 59 for rotating the male screw member 57 are provided.

Next, the operation will be described.
FIG. 4 is a side sectional view showing a state in which the wind screen 51 changes its tilt angle by the tilt angle adjusting mechanism 70.
Since the wind screen 51 is fixed to the sliders 62 and 62 of the moving mechanism 60 via the connecting plate 53 (FIG. 2), when the user moves the wind screen 51 up and down by hand, 62 moves up and down along the rail portions 61 and 61 of the moving mechanism 60. Thereby, the wind screen 51 moves from the lower limit position Lo to the upper limit position Hi.
Next, when the inclination angle of the wind screen 51 is changed, when the operation knob 59 is rotated clockwise, the male screw member 57 is rotated via the operation knob 59, and the male screw member 57 is screwed on the shaft member 64. By entering the hole 64 </ b> A, the distance between the connection pipe 63 and the cross pipe 50 </ b> B provided with the male screw member 57 and the shaft member 64 approaches each other. For this reason, the rail parts 61 and 61 connected by the connecting stay 63 reduce the inclination angle of the rail parts 61 and 61 around the support shaft 55 that passes through the shaft insertion part 61A provided in the lower part thereof. Swing in the direction.
On the other hand, when the operation knob 59 is rotated counterclockwise, the male screw member 57 rotates in the reverse direction via the operation knob 59 and moves in a direction away from the screw hole 64A of the shaft member 64. As a result, the distance between the cross pipe 50B and the connecting stay 63 is increased. Therefore, the rail portions 61, 61 connected by the connecting stay 63 are centered on the support shaft 55 that passes through the shaft inserting portion 61A provided in the lower portion thereof. Further, the rail portions 61 and 61 are swung in the direction of increasing the inclination angle.
Thereby, the inclination angle of the wind screen 51 supported by the rail portions 61 and 61 is adjusted between the position Min where the inclination angle becomes the minimum and the position Max where the inclination angle becomes the maximum by the operation of the inclination angle adjustment mechanism 70. Is done.

  As described above, according to the present embodiment, the wind screen 51 is provided above the upper cowling 41 that covers the front upper part of the vehicle body, and the wind screen 51 is supported so as to be movable up and down. Rail portions 61, 61 provided vertically extending, sliders 62, 62 engaging with the rail portions 61, 61 and sliding on the rail portions 61, 61, the sliders 62, 62 and the wind screen 51, The rail portions 61, 61 pivotally support the lower portion of the rail portions 61, 61 to the bracket 50 of the vehicle body, and the rail portions 61, 61 are inclined on the upper portions of the rail portions 61, 61. Since the tilt angle adjusting mechanism 70 for adjusting the angle is provided, the operation of the tilt angle adjusting mechanism 70 causes the rail portions 61 and 61 to swing around the lower portion so that the tilt angle is adjusted. By being integer, not only can move the wind screen 51 vertically along the rail portions 61, it is possible to adjust the distance between the wind screen 51 and the driver. Therefore, since the height position of the wind screen 51 and the distance between the wind screen 51 and the driver can be adjusted in combination, the position of the wind screen 51 is adjusted to a position suitable for the physique and seat position of the driver. As a result, the ride comfort can be improved.

  Further, according to the present embodiment, the tilt angle adjusting mechanism 70 is supported by the shaft member 64 provided on the connecting stay 63 that connects the pair of left and right rail portions 61 and 61 and the cross pipe 50B of the bracket 50 of the vehicle body. And a male screw member 57 that is screwed into the screw hole 64A of the shaft member 64 and an operation knob 59 for rotating the male screw member 57, and is supported by the cross pipe 50B via the operation knob 59. By rotating the male screw member 57, the distance between the male screw member 57 and the shaft member 64 provided on the connecting stay 63 that connects the rail portions 61 and 61 is changed, and the inclination angle of the rail portions 61 and 61 is changed. Therefore, the configuration of the tilt angle adjusting mechanism 70 that adjusts the tilt angle of the rail portions 61 and 61 can be simplified.

As mentioned above, although this invention was demonstrated based on one Embodiment, this invention is not limited to this, A various design deformation | transformation can be performed. For example, in the above-described embodiment, the case where the present invention is applied to a manual windscreen support structure has been described. However, the present invention may be applied to a case where the windscreen is driven by a driving source such as a motor. For example, the push cables may be extended from the sliders 62 and 62, and the sliders 62 and 62 may be moved up and down by winding or pulling out the push cables with a motor-driven winding mechanism.
In the present embodiment, the case where the present invention is applied to the screen structure of the motorcycle 10 described above has been described. However, the present invention is not limited to this, and can be widely applied to the screen support structure of other motorcycles such as a scooter type vehicle. It is.

1 is a side view of a motorcycle according to an embodiment of the present invention. It is a perspective view which shows the arrangement configuration of a wind screen, a moving mechanism, and a bracket. It is a disassembled perspective view which shows an inclination angle adjustment mechanism and its periphery structure. It is a sectional side view which shows the state which a windscreen changes the inclination-angle by an inclination-angle adjustment mechanism.

Explanation of symbols

10 Motorcycle 41 Upper cowling 50 Bracket (Cowl stay)
50B Cross pipe 50E Shaft fixing part 51 Wind screen 53 Connecting plate (screen arm)
55 Support shaft 56 Support member 57 Male thread member (bolt)
57A Rear end portion 58 Joint 59 Operation knob 60 Moving mechanism 61 Rail portion (rail)
61A Shaft insertion portion 61B Connecting portion 62 Slider 63 Connecting stay 63A Projection piece 64 Shaft member (nut)
64A Screw hole 70 Inclination angle adjustment mechanism

Claims (2)

In the screen support structure of a motorcycle that includes a wind screen above the cowling that covers the front upper part of the vehicle body and supports the wind screen so as to be movable up and down,
A rail that is provided inside the cowling and extends vertically; a slider that engages with the rail and slides on the rail; and a screen arm that connects the slider and the windscreen, the rail including: A screen support structure for a motorcycle, wherein a lower part thereof is pivotally supported by the vehicle body and an inclination angle adjusting mechanism for adjusting an inclination angle of the rail is provided at an upper part of the rail.   The tilt angle adjusting mechanism includes a nut provided on a connecting stay that connects the pair of left and right rails, a bolt that is supported by the cowl stay of the vehicle body and screwed into the nut, and an operation for rotating the bolt. The screen support structure for a motorcycle according to claim 1, further comprising a knob.

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