JP2015040025A - Wind screen device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve flexibility of layout of equipment around a wind screen device.SOLUTION: A wind screen device 3 has: a wind screen 31; and right and left support mechanisms movably supporting the wind screen 31. The support mechanisms have: paired base brackets 41 provided at a distance from each other in a vehicle width direction; paired right and left support members 42 respectively rotatably connected to the paired base brackets 41 and attached with the wind screen 31; and fixing mechanisms 5 each fixing an angle between each of the paired support members 42 and each of the paired base brackets 41. The support member 42 and the fixing mechanism 5 are independent of each other right and left.

Description

  The present invention relates to a movable wind screen device for a motorcycle.

  2. Description of the Related Art Some motorcycle wind screen devices are movable so that the wind screen can move. The windscreen device described in Patent Document 1 includes a screen bracket (support member) to which the windscreen is attached, and a support bracket (base bracket) that is fixed to a vehicle body frame and rotatably supports the support member. The motorcycle driver can then grab the windscreen and move it to the desired position. At this time, the wind screen moves together with the screen bracket.

  In the wind screen device described in Patent Document 1, left and right stays (attachment portions) are provided on a screen bracket that supports the wind screen, and the wind screen is attached to these left and right stays. And in the front part of a screen bracket, the left and right stays are connected by a connecting member. Such a connecting member moves together with the wind screen. For this reason, the equipment around the wind screen device must be arranged so as not to hinder the movement of the connecting member. Therefore, the layout of the equipment around the wind screen device is limited.

JP 2011-20616 A

  In view of the above circumstances, the problem to be solved by the present invention is to provide a windscreen device capable of improving the degree of freedom of layout of peripheral devices.

  In order to solve the above-described problems, the present invention has a windscreen that is provided on a front upper portion of a vehicle, and includes a windscreen that is superimposed on a part of a passenger in a front view and a support mechanism that movably supports the windscreen. A screen device, wherein the support mechanism includes a pair of base brackets provided apart from each other in a vehicle width direction, and a pair of supports that are rotatably connected to the pair of base brackets and to which the wind screen is attached. And a fixing mechanism for fixing the angle between each of the pair of support members and each of the pair of base brackets, and the pair of left and right support members and the pair of left and right support mechanisms are separated from each other. It is characterized by being.

  A ratchet mechanism that allows movement in one direction of the support member and restricts movement in the opposite direction can be applied to the pair of fixing mechanisms.

  The ratchet mechanism includes a claw member that is rotatably provided on the base bracket, an engagement portion that is provided on the support member and that is formed with a plurality of recesses that can be engaged with the claw member arranged in a moving direction, and the claw A biasing member that biases the member toward the engagement portion, and the position of the support member can be changed by moving the support member from one end to the other end of the movable range, A configuration in which the position of the support member is maintained by engaging a member with any of the plurality of recesses of the engaging portion can be applied.

  The ratchet mechanism includes a retraction mechanism that moves the claw member to a retreat position that does not engage with the concave portion of the engagement portion when the support member reaches the other end of the movable range, and the support member is located at the retraction position. When the support member reaches the one end of the movable range in such a state, it is possible to apply a configuration including a return mechanism that moves the pawl member to a position where the biasing member is biased toward the engagement portion.

  The support portion may be provided with a gauge portion indicating a position.

  According to the present invention, since the left and right rotating mechanisms are independent of each other, the device can be disposed between them. Therefore, it is possible to improve the degree of freedom of layout of devices around the wind screen device.

FIG. 1A is a left side view schematically showing the configuration of the motorcycle, and FIG. 1B is a front view of the motorcycle. FIG. 2 is a front view schematically showing the configuration of the cowling brace. FIG. 3 is a left side view schematically showing the configuration of the cowling brace. FIG. 4 is a front view of the front upper part of the motorcycle. FIG. 5 is a left side view of the front upper part of the motorcycle. FIG. 6 is an external perspective view of the front upper portion of the motorcycle as viewed obliquely from the upper front side. FIG. 7 is a view of the front upper part of the motorcycle as viewed obliquely from the upper rear side. FIG. 8 is a cross-sectional view showing the front upper portion of the motorcycle cut at the vehicle width center. FIG. 9 is a perspective view schematically showing the configuration of the wind screen device. FIG. 10 is a view obtained by removing the wind screen from FIG. FIG. 11 is a front view of the rotation mechanism on the left side in the vehicle width direction. FIG. 12 is a left side view of the rotation mechanism on the left side in the vehicle width direction. FIG. 13 is a right side view of the rotation mechanism on the left side in the vehicle width direction. FIG. 14 is a right side view of the rotation mechanism on the left side in the vehicle width direction, with the inner plate member removed. FIG. 15 is a left side view schematically showing a state in which the wind screen is located at the rear end of the movable range in the wind screen device. FIG. 16 is a left side view schematically showing a state in which the wind screen is located in the middle of the movable range in the wind screen device. FIG. 17 is a left side view schematically showing a state in which the wind screen is positioned near the front end of the movable range in the wind screen device. FIG. 18 is a left side view schematically showing a state in which the wind screen is located at the front end of the movable range in the wind screen device. 19 is a cross-sectional view taken along line XIX-XIX in FIG. 20 is a cross-sectional view taken along line XX-XX in FIG. 21 is a cross-sectional view taken along line XXI-XXI in FIG.

  Embodiments of the present invention will be described below in detail with reference to the drawings. In the following description, the direction of the motorcycle and the wind screen device is described with reference to the direction of the driver who rides the motorcycle. The same applies to each member constituting the motorcycle and the wind screen device. In each figure, the front side of the motorcycle is indicated by an arrow Fr, the rear side is indicated by an arrow Rr, the upper side is indicated by an arrow Up, the lower side is indicated by an arrow Dn, the right side is indicated by an arrow R, and the left side is indicated by an arrow L. . In the vehicle width direction, the direction center side may be indicated by “CEN” and the outer side may be indicated by “OUT”.

  First, an overall configuration of a motorcycle 1 having a wind screen device 3 according to the present embodiment will be described with reference to FIG. FIG. 1A is a left side view schematically showing the configuration of the motorcycle 1. FIG. 1B is a front view of the motorcycle 1. As shown in FIGS. 1A and 1B, the motorcycle 1 includes a body frame 11, a steering device 12, an engine unit 13, and a rear wheel suspension device 14. And the windscreen apparatus 3 concerning this embodiment is provided in the front upper part of the motorcycle 1. FIG. In the present embodiment, as the motorcycle 1, a so-called on-road type motorcycle is shown as an example, but the type of the motorcycle 1 is not limited.

The body frame 11 includes a steering head pipe (hereinafter referred to as a head pipe 111), a pair of left and right main frames 112, and a pair of left and right rear frames 113.
The head pipe 111 has a tubular configuration that tilts backward.
The pair of left and right main frames 112 are formed in a rod shape extending from the rear portion of the head pipe 111 obliquely downward to the rear side. The pair of left and right main frames 112 are separated from each other in the vehicle width direction.
The pair of left and right rear frames 113 are formed in a bar shape extending rearward and obliquely upward from the rear part of the pair of left and right main frames 112. The pair of left and right rear frames 113 are separated from each other in the vehicle width direction.
The head pipe 111, the main frame 112, and the rear frame 113 are each formed of a metal material such as an iron-based material or an aluminum alloy, and are integrally joined by welding or the like.

The steering device 12 includes a front wheel 121, a steering shaft 122, a pair of left and right front forks 123, and a handle unit 124.
The steering shaft 122 is rotatably supported by the head pipe 111.
The upper parts of the pair of left and right front forks 123 are coupled to the steering shaft 122 via brackets. The lower ends of the pair of left and right front forks 123 support the front wheel 121 in a rotatable manner. In addition, a front fender 151 that covers an upper portion of the front wheel 121 and a brake caliper 152 of the front wheel 121 are attached to the pair of left and right front forks 123.
The handle unit 124 is provided at the upper ends of the steering shaft 122 and the pair of left and right front forks 123 and is rotatably supported by the head pipe 111. The handle unit 124 includes a handle bar 125 and handle grips 126 provided at both left and right ends of the handle bar 125. In addition, the handle unit 124 includes a brake lever that operates the brake caliper 152 of the front wheel 121, a clutch lever that operates the clutch, and switches that operate each part (for example, the headlight unit 21) of the motorcycle 1. Provided.

The engine unit 13 (internal combustion engine) is provided below the main frame 112. The engine unit 13 includes a cylinder assembly 131 and a crankcase assembly 132.
The cylinder assembly 131 includes a cylinder block, a cylinder head, and a cylinder head cover. A combustion chamber is formed inside the cylinder block, and a piston is reciprocally disposed. The cylinder head is provided on the upper side of the cylinder block. The cylinder head is formed with an intake port and an exhaust port communicating with the combustion chamber and the outside of the cylinder block. The cylinder head cover is a member that becomes a lid of the cylinder head, and is disposed on the upper side of the cylinder head.
Inside the crankcase assembly 132, a crank chamber is formed on the front side, and a mission chamber is formed on the rear side. A crankshaft is rotatably disposed inside the crank chamber. Inside the mission chamber, a countershaft and a driven shaft are rotatably disposed, and a transmission is provided. An end portion of the driven shaft protrudes from the left side of the crankcase assembly 132. A drive chain sprocket (not shown) is provided at the end of the driven shaft. The drive chain sprocket is covered with a sprocket cover.
A clutch is disposed on the right side of the crankcase assembly 132. On the left side of the crankcase assembly 132 and on the front side of the drive chain sprocket, a magnet as a generator and a starter for starting the engine unit 13 are provided.

The rear wheel suspension device 14 includes a pair of left and right swing arms 141, a rear wheel 142, and a shock absorber (not visible in FIG. 1).
The pair of left and right swing arms 141 have their front ends connected to the rear end of the main frame 112 or the vicinity thereof, and can swing vertically with respect to the main frame 112. A rear wheel 142 is rotatably supported at the rear end of the swing arm 141.
A driven chain sprocket 143 is provided on the left side of the rear wheel 142 so as to rotate integrally. A drive chain 145 is wound around the drive chain sprocket of the engine unit 13 and the driven chain sprocket 143 of the rear wheel 142. The power from the engine unit 13 is transmitted to the rear wheel 142 by the drive chain 145.
A shock absorber is provided between each of the pair of left and right swing arms 141 and each of the pair of left and right rear frames 113 (not visible in FIG. 1). The shock absorber alleviates vibration and impact transmitted from the rear wheel 142 to the vehicle body frame 11.

A seat 153 on which a driver D and a passenger (passenger) are seated is provided on the upper side of the body frame 11. For example, seat rails are attached to the upper surfaces of the pair of left and right rear frames 113, and the seat 153 is attached to the vehicle body frame 11 via the seat rails. Although FIG. 1 shows a configuration in which a portion where the driver D is seated and a portion where the passenger is seated are formed on one seat 153, the present invention is not limited to such a configuration. The seat on which the driver D sits and the seat on which the passenger sits may be formed separately.
A fuel tank 154 is provided on the front side of the seat 153 and on the upper side of the main frame 112.
At the rear of the rear frame 113, lights such as a taillight 155 and a blinker, and a rear fender 157 that covers the upper side of the rear wheel 142 are provided.
A side cover 158 is provided outside the main frame 112 in the vehicle width direction. A rear cover 159 is provided outside the rear frame 113 in the vehicle width direction. The side cover 158 and the rear cover 159 are shell-like members formed of, for example, synthetic resin, and constitute a design of the appearance of the motorcycle 1.

  An intake device is provided on the front diagonally upper side of the cylinder assembly 131 of the engine unit 13 (invisible in FIG. 1). The intake device takes in combustion air from the outside, purifies it, and supplies it to the engine unit 13. A fuel injection device for injecting and mixing fuel into combustion air is provided at or near the intake port of the engine unit 13. The upstream end of the exhaust pipe 160 is connected to the exhaust port of the engine unit 13. A silencer is attached to the downstream end of the exhaust pipe 160.

A front cover 162, a headlight unit 21, a meter unit 22, and a wind screen device 3 are provided on the front upper part of the motorcycle 1. These are attached to a cowling brace 23 (described later).
The wind screen device 3 has a wind screen 31. The wind screen 31 is provided in front of the driver D (passenger). As shown in FIG. 1B, the wind screen 31 is superimposed on a part of the body of the driver D in the front view.

Here, an example of the configuration of the cowling brace 23 will be described. FIG. 2 is a front view schematically showing the configuration of the cowling brace 23. FIG. 3 is a left side view schematically showing the configuration of the cowling brace 23. 2 and 3 show a state in which the left and right rotating mechanisms 4 (described later) of the wind screen device 3 are attached to the cowling brace 23. FIG.
The cowling brace 23 is formed of a metal pipe or the like, and has a substantially quadrilateral frame shape configuration when viewed from the front.
The cowling brace 23 includes a portion (hereinafter, referred to as a vertical brace 231) that is formed in a rearward inclined tubular shape and is provided apart from each other in the vehicle width direction. The left and right vertical braces 231 are provided at symmetrical positions with respect to the vehicle width center line C.
Further, the cowling brace 23 includes a plurality of tubular portions (hereinafter referred to as horizontal braces 232) extending in the vehicle width direction so as to connect the left and right vertical braces 231. In the present embodiment, an example of a configuration in which three horizontal braces 232 are provided is shown. The central and lowermost horizontal braces 232 are provided with tubular or bar-like connecting portions 233 extending rearward. A bracket 234 for connecting to the head pipe 111 is provided at the rear portion of the connecting portion 233. The cowling brace 23 is attached to the front side of the head pipe 111 via the bracket 234 (see FIG. 8).
Thus, the cowling brace 23 is formed in a substantially quadrangular frame shape by the tubular vertical brace 231 and the horizontal brace 232. For this reason, an opening that penetrates in the front-rear direction is formed between the left and right vertical braces 231.
The cowling brace 23 is not limited to this configuration. The cowling brace 23 is attached to any part of the vehicle body frame 11 so as to be located in front of the head pipe 111, and the left and right rotating mechanisms 4 of the wind screen device 3 are attached to positions separated from each other in the vehicle width direction. Any configuration can be used.

  Here, the structure of the front upper part of the motorcycle 1 will be described with reference to FIGS. FIG. 4 is a front view of the front upper portion of the motorcycle 1. FIG. 5 is a left side view of the front upper portion of the motorcycle 1. FIG. 6 is an external perspective view of the front upper portion of the motorcycle 1 as viewed obliquely from the upper front side. FIG. 7 is a view of the front upper portion of the motorcycle 1 as viewed obliquely from the upper rear side. FIG. 8 is a cross-sectional view showing the front upper portion of the motorcycle 1 cut along the center of the vehicle width.

  The front cover 162 is formed in the shape of a front concavity when viewed from above (see FIG. 6). Further, the front cover 162 is formed in a shape in which the upper surface is inclined forward and downward in a side view (see FIG. 5). For example, the front cover 162 is formed in a spindle shape having a front constriction as a whole. The front cover 162 is formed of, for example, a synthetic resin and has a shell-like configuration. Therefore, a space surrounded by the front cover 162 is formed in the front upper part of the motorcycle 1 (see FIG. 8).

The headlight unit 21 is provided at the center in the vehicle width direction (see FIG. 4, the one-dot chain line C in the figure indicates the center line in the vehicle width direction). In the headlight unit 21, the lens 214 is exposed on the front side of the front cover 162, and the others (for example, the housing 211, the reflector 212, the light emitter 213 such as a light bulb, wiring, etc.) are covered with the front cover 162. (See FIG. 8).
The headlight unit 21 is disposed on the front side of the cowling brace 23. However, if the opening is formed in the cowling brace 23, a part of the headlight unit 21 may protrude to the rear side of the cowling brace 23 through the opening (see FIG. 8). According to such a configuration, the degree of freedom of the layout of the headlight unit 21 is improved. In addition, it is possible to reduce the size of the front upper portion of the motorcycle 1, particularly to shorten the front-rear dimension.

  The meter unit 22 includes a panel 221 on which instruments 222 are provided so as to be visible. The meter unit 22 is provided so that the panel 221 faces the rear side (see FIG. 7). Specifically, the panel 221 is exposed on the rear side of the front cover 162, and the other portions are covered with the front cover 162. The meter unit 22 is provided on the upper side of the cowling brace 23 (see FIG. 8). For example, a bracket is provided on the uppermost lateral brace 232 of the cowling brace 23, and the meter unit 22 is attached to the uppermost lateral brace 232 via this bracket.

  The wind screen 31 is arranged on the upper side of the front cover 162 in a manner of front-down and rear-up in a side view (see FIG. 5). Further, when viewed from above, the front lower portion of the wind screen 31 overlaps the upper surface of the front cover 162 (see FIG. 6). The rear upper part of the wind screen 31 extends rearward from the rear end of the front cover 162 so as to cover the upper side of the meter unit 22 (see FIG. 5). In the wind screen device 3 according to the present embodiment, the wind screen 31 and a part of a support member 42 (described later) that supports the wind screen 31 are exposed to the outside of the front cover 162. Other than that, it is covered with a front cover 162.

Next, the configuration of the wind screen device 3 will be described. FIG. 9 is a perspective view schematically showing the configuration of the wind screen device 3. FIG. 10 is a view in which the wind screen 31 is removed from FIG.
The wind screen device 3 includes a wind screen 31 and a support mechanism that supports the wind screen 31 so as to be rotatable. The support mechanism includes left and right rotation mechanisms 4. The left and right rotating mechanisms have a symmetrical configuration in the left and right (vehicle width direction). The left and right rotation mechanisms 4 as the support mechanisms are respectively a base bracket 41, a support member 42, a fixing mechanism 5 (not visible in FIGS. 9 and 10), an urging mechanism 34, and a movement range restriction. And a mechanism 35.
As shown in FIGS. 9 and 10, the base bracket 41 is attached to the upper part of the vertical brace 231 of the cowling brace 23.
The support member 42 is coupled to the base bracket 41 so as to be rotatable in the front-rear direction (pitching direction) about an axis parallel to the vehicle width direction. The wind screen 31 is attached to the support member 42.
As the support member 42 rotates, the wind screen 31 rotates and changes its position and angle. Specifically, the wind screen 31 can rotate together with the support member 42 within the predetermined movable range in the front-rear direction (pitching direction). And if the windscreen 31 is located in the backmost part of a movable range, it will be in the state which fell most in the side view. On the other hand, when it is located at the forefront of the movable range, it is in the most upright state in side view.
The fixing mechanism 5 holds the angle of the support member 42 (that is, the position and angle of the wind screen 31).
The urging mechanism 34 urges the support member 42 (that is, the wind screen 31) toward one end of the movable range. In the present embodiment, the urging mechanism 34 urges the wind screen 31 toward the rear side.
The movement range regulation mechanism 35 regulates the movable range of the support member 42 (that is, the wind screen 31).

  As shown in FIGS. 9 and 10, the left and right rotating mechanisms 4 are separated from each other in the vehicle width direction and have a symmetrical configuration with respect to the center of the vehicle width. Furthermore, the left and right rotating mechanisms 4 are independent of each other. That is, for example, the left and right support members 42 are separate and independent members, and are not configured to be connected by a connecting member or the like. Therefore, the left and right support members 42 can rotate independently of each other with respect to the left and right base brackets 41.

With such a configuration, a space for storing the headlight unit 21 and the like is formed between the left and right rotating mechanisms 4. For example, if the left and right support members 42 are connected by a connecting member as in the prior art, the headlight unit 21 must be disposed on the front side of the connecting member so as not to interfere with the connecting member. In this way, the layout of the devices around the wind screen device is restricted by the connecting member. For this reason, the front-back direction dimension of the front upper part becomes large. On the other hand, with the configuration according to the present embodiment, the headlight unit 21 and the like can be disposed between the left and right rotating mechanisms 4, so the degree of freedom in layout of surrounding devices is improved. Therefore, by arranging the headlight unit 21 between the left and right rotating mechanisms 4 so that the rear part overlaps the left and right rotating mechanisms 4 in a side view, the front upper portion of the motorcycle 1 can be downsized. In particular, the size in the front-rear direction can be shortened. Furthermore, since a part of the headlight unit 21 can be protruded rearward from the opening of the cowling brace 23, further downsizing of the front upper portion of the motorcycle 1 can be achieved.
Further, when the left and right support members are connected by the connecting member, the connecting member is positioned in front of the driver D. For this reason, the view of the driver D may be limited by the connecting member. On the other hand, according to this embodiment, since there is no connection member between the left and right support members 42, the field of view of the driver D can be widened.
Further, if the connection member is not provided, the movable portion of the wind screen device 3 can be reduced in weight. For this reason, the operability in adjusting the position of the wind screen 31 is improved.
The left and right rotating mechanisms 4 have a symmetrical configuration, and each has a fixing mechanism that fixes the position of the wind screen 31. For this reason, the operation method of the wind screen 31 is the same as the conventional method.

  Here, the details of the configuration of the left and right rotating mechanisms 4 will be described. FIG. 11 is a front view of the rotation mechanism 4 on the left side in the vehicle width direction. FIG. 12 is a left side view of the rotation mechanism 4 on the left side in the vehicle width direction. FIG. 13 is a right side view of the rotation mechanism 4 on the left side in the vehicle width direction. FIG. 14 is a right side view of the rotation mechanism 4 on the left side in the vehicle width direction, and shows the inner plate member 411 (described later) being deleted. Here, the left rotation mechanism 4 will be described with reference to the drawing showing the left rotation mechanism 4, but the right rotation mechanism 4 also has the same configuration as the left rotation mechanism 4.

The base bracket 41 is provided so as to extend from the upper part of the vertical brace 231 toward the diagonally upper front side. Further, the front portion of the base bracket 41 is biased outward from the vertical brace 231 in the vehicle width direction. The base bracket 41 is configured by overlapping two plate members in the vehicle width direction. For convenience of explanation, the plate member on the inner side in the vehicle width direction is referred to as “inner plate member 411”, and the outer plate member is referred to as “outer plate member 412”. The inner plate member 411 and the outer plate member 412 are made of a metal plate, for example, and are formed by pressing.
The rear portion of the inner plate member 411 is joined to the upper portion of the vertical brace 231 by, for example, welding. A main body 331 of a rotary damper 33 (rotary damper), which is an example of a damping mechanism, is attached to the front upper part of the inner plate member 411 and inside the vehicle width direction. The rotary damper 33 prevents or suppresses vibration and rattling of the wind screen 31. The rotating shaft 332 of the rotary damper 33 is parallel to the vehicle width direction. The rotating shaft 332 of the rotary damper 33 protrudes outward from the inner plate member 411 in the vehicle width direction. The right rotation mechanism 4 and the rotary damper 33 of the left rotation mechanism 4 are arranged coaxially.
The outer plate member 412 is attached to the outer side of the inner plate member 411 in the vehicle width direction. A gap is formed between the inner plate member 411 and the outer plate member 412. A part of the main body 421 of the support member 42 is inserted into this gap. Thus, the inner plate member 411 and the outer plate member 412 rotatably support the main body 421 of the support member 42 so as to be sandwiched from the vehicle width direction inner side and the outer side.

The support member 42 includes a main body portion 421 and an attachment portion 422 (stay). The support member 42 is made of, for example, a metal plate, and the main body portion 421 and the attachment portion 422 are integrally formed by pressing or the like.
The lower portion of the main body portion 421 enters between the inner plate member 411 and the outer plate member 412 of the base bracket 41. A portion of the front lower portion of the main body portion 421 that enters between the inner plate member 411 and the outer plate member 412 is coupled to the rotation shaft 332 of the rotary damper 33. For example, a shaft hole penetrating in the vehicle width direction is formed in the front lower portion of the support member 42, and the rotation shaft 332 of the rotary damper 33 is fitted in the shaft hole. The support member 42 rotates integrally with the rotation shaft 332 of the rotary damper 33. For this reason, the rotation center of the support member 42 is the center of the rotation shaft 332 of the rotary damper 33. As described above, since the left and right rotary dampers 33 are disposed coaxially, the rotation centers of the left and right support members 42 coincide.
A mounting portion 422 (stay) is provided on the upper side of the main body portion 421. The attachment portion 422 is a portion to which the wind screen 31 is attached. The attachment portion 422 is formed in a band plate shape that extends obliquely rearward and outward in the vehicle width direction from the upper end of the main body portion 421. In the attachment portion 422, for example, a through hole for inserting a screw or the like for attaching the wind screen 31 is formed. In addition, the structure for attaching the wind screen 31 to the attaching part 422 is not limited to screwing.

The urging mechanism 34 includes an engaging portion (hereinafter referred to as a fixed-side engaging portion 413) provided on the base bracket 41 and an engaging portion (hereinafter referred to as a movable-side engaging portion) provided on the main body 421 of the support member 42. 423) and a tension coil spring (hereinafter referred to as a coil spring 32) which is an example of a first urging member provided between the fixed side engaging portion 413 and the movable side engaging portion 423.
The fixed side engaging portion 413 is provided at the lowermost portion of the outer plate member 412 of the base bracket 41. Further, the fixed side engaging portion 413 is provided on the outer side in the vehicle width direction than the main body 331 of the rotary damper 33 in the front view and on the rear side of the rotation shaft 332 of the rotary damper 33 in the side view. For example, the fixed side engaging portion 413 has a tongue-like configuration in which the lowermost portion of the outer plate member 412 is bent and raised outward in the vehicle width direction.
The movable side engaging portion 423 is a rear portion of the support member 42 and is provided on the rear side of the rotating shaft 332 of the rotary damper 33. The movable side engaging portion 423 is provided on the outer side in the vehicle width direction than the main body 331 of the rotary damper 33 in the front view. Furthermore, the movable side engaging portion 423 is provided so as to be positioned above the fixed side engaging portion 413. For example, the movable-side engaging portion 423 can be applied with a tongue-like configuration that extends rearward from the lower portion of the main body portion 421 of the support member 42 and further has a tip portion extending outward in the vehicle width direction.
And the coil spring 32 which is an example of a 1st biasing member is constructed by the fixed side engaging part 413 and the movable side engaging part 423. FIG. The coil spring 32 pulls the movable side engaging portion 423 downward. The movable side engaging portion 423 is provided on the rear side of the rotation shaft 332 of the rotary damper 33 that is the rotation center of the support member 42. For this reason, the support member 42 (that is, the wind screen 31) is urged by the coil spring 32 so as to fall toward the rear end side of the movable range.

The movement range regulation mechanism 35 regulates the movable range of the support member 42 (that is, the wind screen 31). The movement range restriction mechanism 35 includes an engagement hole 424 formed in the main body 421 of the support member 42 and a restriction pin 414 provided in the base bracket 41 and inserted into the engagement hole 424 of the support member 42 ( (See FIG. 14).
The engagement hole 424 is an arc-shaped long hole extending in the circumferential direction around the rotation shaft 332 of the rotary damper 33 in a side view. Further, the engagement hole 424 penetrates the main body portion 421 of the support member 42 in the vehicle width direction.
The restriction pin 414 is a bar-like member and is installed between the inner plate member 411 and the outer plate member 412 of the base bracket 41.
The support member 42 rotates between a position where the restriction pin 414 contacts the inner peripheral surface of one end in the longitudinal direction (circumferential direction) of the engagement hole 424 and a position where it contacts the inner peripheral surface of the other end. Can do. Thus, the movable range of the support member 42 is regulated by the movement range regulating mechanism 35.

  The fixing mechanism 5 allows the movement in one direction (here, forward) of the wind screen 31 and restricts the movement in the opposite direction (here, rearward). When the wind screen 31 reaches the front end of the movable range, the fixing mechanism 5 transitions to a state in which the wind screen 31 is allowed to move backward. When the wind screen 31 reaches the rear end of the movable range in this state, the fixing mechanism 5 again shifts to a state in which the wind screen 31 is allowed to move forward and the backward movement is restricted.

  Here, the configuration of the fixing mechanism 5 will be described. In the present embodiment, an example in which a ratchet mechanism is applied as the fixing mechanism 5 is shown. 15 to 18 are left side views schematically showing the configuration and operation of the ratchet mechanism. FIG. 15 shows a state in which the wind screen 31 is located at the rear end of the movable range. FIG. 16 shows a state where the wind screen 31 is located in the middle of the movable range. FIG. 17 shows a state in which the wind screen 31 is located near the front end of the movable range (but not reaching the front end). FIG. 18 shows a state where the support member 42 and the wind screen 31 are located at the front end of the movable range. 15 to 18, the outer plate member 412 is located on the front side of the support member 42 in the drawing. Therefore, the outer plate member 412 is indicated by a broken line.

  The ratchet mechanism, which is an example of the fixing mechanism 5, is rotatably provided on the engagement surface 511 provided at the lower rear portion of the support member 42, the engagement recess 512 formed on the engagement surface 511, and the base bracket 41. The claw member 54 that can be engaged with the engagement recess 512 and the torsion spring 55 (second urging member) that urges the claw member 54 in a predetermined direction. Further, a first pressing portion 52 that is a return mechanism is formed above the engaging surface 511, and a second pressing portion 53 that is a retracting mechanism is formed below the engaging surface 511.

The engagement surface 511 is formed on the rear side of the rotation shaft 332 of the rotary damper 33 in the side view and on the lower rear portion of the support member 42. Further, the engagement surface 511 is formed in an arc shape centered on the rotation shaft 332 of the rotary damper 33 (that is, the rotation center of the support member 42) in a side view.
In the engagement surface 511, a plurality of engagement recesses 512 are formed at predetermined intervals in the relative movement direction of the claw member 54 and the engagement surface 511 (the rotation direction of the support member 42). The engagement recess 512 is a recess recessed inward in the radial direction, and has a configuration in which an engagement claw 541 (described later) of the claw member 54 can be fitted. Further, the engaging recess 512 is formed in a substantially V shape in a side view. The number and interval of the engagement recesses 512 are not particularly limited.
The first pressing portion 52 that is a return mechanism is provided above the engagement surface 511. The first pressing portion 52 presses the engagement claw 541 of the claw member 54 in a direction approaching the engagement surface 511. In the present embodiment, the first pressing portion 52 is provided on the lower surface of the movable side engaging portion 423. The first pressing portion 52 may be configured to be able to press the engaging claw 541 of the claw member 54 in a direction approaching the engaging surface 511, and the specific configuration is not limited.
The second pressing portion 53 presses the engagement claw 541 of the claw member 54 in a direction away from the engagement surface 511. The second pressing portion 53 is formed on the lower side of the engaging surface 511 so as to project outward from the engaging surface 511 in the radial direction. The second pressing portion 53 has an inclined surface that is inclined with respect to the engaging surface 511. A lower side than the inclined surface is formed in a surface substantially parallel to the engaging surface 511.

  The claw member 54 is provided on the base bracket 41 so as to be rotatable (or swingable in the front-rear direction) at a position rearward of the engagement surface 511. For example, the claw member 54 is rotatably attached to the base bracket 41 by the pin member 543. The claw member 54 is formed of, for example, a metal plate. The claw member 54 includes an engagement claw 541 that can be fitted into the engagement recess 512 of the engagement surface 511, and a biasing member engagement portion 542 that engages with the torsion spring 55 (second biasing member). Have

A torsion spring 55 is installed between the biasing member engaging portion 542 of the claw member 54 and the base bracket 41. One arm 551 of the torsion spring 55 is engaged with the base bracket 41. For example, a through hole 415 is formed in the base bracket 41, and one arm 551 of the torsion spring 55 is hooked in the through hole 415. The other arm 552 of the torsion spring 55 engages with the urging member engaging portion 542 of the claw member 54.
The torsion spring 55 biases the claw member 54 in a predetermined direction. Specifically, in the state shown in FIGS. 15 to 17, the torsion spring 55 urges the engagement claw 541 of the claw member 54 in a direction in which it is pressed against the engagement surface 511 (here, the forward rotation direction). . On the other hand, in the state shown in FIG. 18, the torsion spring 55 biases the engagement claw 541 of the claw member 54 in a direction away from the engagement surface 511 (here, a reverse rotation direction).
The urging member engaging portion 542 of the claw member 54 is configured so that the position where the urging force by the torsion spring 55 acts can be changed. For example, the urging member engaging portion 542 is formed in a recess having a predetermined length on the outer periphery of the claw member 54. The other arm 552 of the torsion spring 55 is hooked in this recess. For this reason, the position where the other arm 552 of the torsion spring 55 is hooked in the recess (that is, the position where the biasing force of the second biasing member acts) can move within the range of the length of the recess.

In a state where the wind screen 31 is located at the rear end of the movable range and in the vicinity thereof, the engagement claw 541 of the claw member 54 is applied to the engagement surface 511 by the urging force of the torsion spring 55 as shown in FIG. It is energized in the approaching direction. Specifically, it is as follows. When the claw member 54 rotates forward, the engagement claw 541 approaches the engagement surface 511. In this state, the position where the other arm 552 of the torsion spring 55 engages with the biasing member engaging portion 542 of the claw member 54 is located between the rotation center of the claw member 54 and one end of the torsion spring 55. It is located above the straight line L that passes. In this state, the claw member 54 is applied with a biasing force in the forward direction, so that the engagement claw 541 of the claw member 54 is biased in a direction approaching the engagement surface 511.
When the driver D rotates the wind screen 31 from the rear end of the movable range toward the front side, the engagement surface 511 moves relatively upward with respect to the claw member 54. Then, the engaging claw 541 of the claw member 54 is pushed toward the rear side (radially outward) by the inclined surface formed at the upper end portion of the engaging surface 511 and rides on the engaging surface 511.
As described above, the coil spring 32 (first urging member) is provided between the base bracket 41 and the support member 42, and the base bracket 41 is rotated downward (reversed) by the coil spring 32. Energized). For this reason, the driver D moves the wind screen 31 to the front side against the urging force of the coil spring 32.

  When the driver D further moves the wind screen 31 toward the front side, the engagement claw 541 is fitted into the engagement recess 512 by the urging force of the torsion spring 55 as shown in FIG. When the driver D removes his / her hand from the wind screen 31 with the engagement claw 541 fitted in the engagement recess 512, the support member 42 is urged by the coil spring 32 in the backward rotation direction. For this reason, the upper inner wall surface of the engagement recess 512 presses the upper surface of the engagement claw 541 and urges it in the forward rotation direction. As described above, the claw member 54 approaches the engagement surface 511 when it rotates forward. For this reason, the engagement claw 541 is maintained in a state of being fitted in the engagement recess 512. Therefore, the position of the support member 42 (that is, the wind screen 31) is maintained.

When the driver D pushes the wind screen 31 further forward, the lower inner wall surface of the engagement recess 512 pushes the engagement claw 541 of the claw member 54 upward to rotate it backward. For this reason, the engaging claw 541 comes out of the engaging recess 512.
Thus, even when the engagement claw 541 is fitted in the engagement recess 512, the driver D can further rotate the wind screen 31 toward the front side.

As shown in FIG. 17, when the wind screen 31 approaches the front end of the movable range, the engagement claw 541 is pushed away from the engagement surface 511 by the second pressing portion 53 (retraction mechanism) and rolls backward. . Then, the position where the second urging member is engaged in the urging member engaging portion 542 moves below the straight line L. For this reason, the claw member 54 is biased in a direction in which the engagement claw 541 is separated from the engagement surface 511. Furthermore, as shown in FIG. 18, when the wind screen 31 reaches the front end of the movable range, the position where the torsion spring 55 is engaged in the urging member engaging portion 542 is further increased by the urging force of the torsion spring 55. , Further away from the straight line L. For this reason, the claw member 54 is held at the retracted position away from the engagement surface 511.
When the claw member 54 is located at the retracted position, the engagement claw 541 is not fitted into the engagement recess 512. For this reason, the driver | operator D can move the windscreen 31 to the back side, and can return it to the rear end of a movable range.
As shown in FIGS. 17 and 18, the second pressing portion 53 rotates the claw member 54 backward at a position away from the front end of the movable range of the windscreen 31 by a predetermined distance. Press. This distance is appropriately set and is not particularly limited. This distance can be reliably changed to the state shown in FIG. 18 before the windscreen 31 reaches the front end of the movable range when the driver D moves the windscreen 31 toward the front side. Any distance is sufficient.

  When the wind screen 31 approaches the rear end of the movable range, the first pressing portion 52 (returning mechanism) contacts the upper surface of the claw member 54 and presses the engagement claw 541 toward the engagement surface 511 side. . When the claw member 54 rotates toward the engagement surface 511 from the retracted position, the position where the second arm 552 of the torsion spring 55 is engaged in the biasing member engaging portion 542 is more than the straight line L. Move up. For this reason, the claw member 54 is urged by the torsion spring 55 in the direction in which the engagement claw 541 approaches the engagement surface 511. Furthermore, the position where the torsion spring 55 engages in the biasing member engaging portion 542 moves to a position away from the straight line L toward the upper side. This returns to the state shown in FIG.

  As described above, according to the wind screen device 3 according to the present embodiment, the driver D can move the wind screen 31 by pushing it forward. The wind screen 31 is held at a position where the engagement claw 541 of the claw member 54 engages with the engagement recess 512. The driver D can return the wind screen 31 to the rear end of the movable range by further pushing the wind screen 31 forward and moving it to the front end of the movable range. Since the windscreen 31 is urged toward the rear end of the movable range by the coil spring 32, the windscreen 31 automatically moves within the movable range even if the driver D does not move the windscreen 31 manually. Move to the rear end.

  As described above, by using the ratchet mechanism as the fixing mechanism 5, even if the left and right rotating mechanisms 4 are made independent from each other, it is not necessary to increase the number of members (for example, cables and motors) used for the operation. For this reason, the layout of parts around the left and right support members 42 is simplified. Further, according to such a ratchet mechanism, the wind screen 31 can be fixed at a desired position only by moving the wind screen 31 to the front side. Further, by moving the wind screen 31 to the front end of the movable range, the wind screen 31 can be moved within the movable range. Can be automatically returned to the rear end. Thus, the driver D can operate the wind screen 31 with one action.

  When the wind screen 31 is bent during operation of the wind screen 31, the angle of the support member 42 may be different between the left and right. If the support member 42 does not reach the front end of the movable range and the claw member 54 does not transition to the state where it does not engage the engagement recess 512 (the state shown in FIG. 18), the wind screen 31 is bent. In some cases, one claw member 54 may transition to the state illustrated in FIG. 18, but the other claw member 54 may not transition to the state illustrated in FIG. 18. Then, unless the deflection of the wind screen 31 is eliminated, the wind screen 31 cannot be returned to the rear end of the movable range. In contrast, in the present embodiment, the claw member 54 transitions to the state shown in FIG. For this reason, the wind screen 31 is bent and one support member 42 reaches the front end of the movable range, but the other support member 42 does not reach the front end of the movable range. Both transition to the state shown in FIG. Therefore, the operability of the wind screen 31 can be improved. The predetermined distance is appropriately set according to the rigidity of the wind screen 31 and is not particularly limited.

  Here, the relationship between the wind screen device 3 and other members will be described. 19 to 21 are cross-sectional views schematically showing the internal structure of the front upper portion of the motorcycle 1. FIG. 19 is a cross-sectional view taken along the line XIX-XIX in FIG. 8, and FIG. FIG. 21 is a cross-sectional view taken along line XX-XX of FIG. 21, and FIG. 21 is a cross-sectional view taken along line XXI-XXI of FIG.

The fixed side engaging portion 413 and the movable side engaging portion 423 are provided on the outer side in the vehicle width direction than the main body 331 of the rotary damper 33 (see FIGS. 19 and 20). For this reason, the coil spring 32 as an example of the first urging member is also located on the outer side in the vehicle width direction with respect to the main body 331 of the rotary damper 33. As described above, the main body 331 of the rotary damper 33 is provided on the inner side in the vehicle width direction with respect to the support member 42, and the coil spring 32 is provided on the outer side in the vehicle width direction with respect to the support member 42. Moreover, the fixed side engaging part 413 and the movable side engaging part 423 are provided on the rear side of the rotary damper 33 in a side view or a top view (see FIG. 20). For this reason, the coil spring 32 is also located behind the rotary damper 33. According to such a configuration, the front cover 162 can be easily formed in a front constricted shape.
Furthermore, since the movable side engaging portion 423 is positioned above the fixed side engaging portion 413, the axis of the coil spring 32 becomes nearly vertical. Therefore, the size of the rotation mechanism 4 in the front-rear direction can be reduced.

  The headlight unit 21 is provided at the center in the vehicle width direction, and at least a part thereof is located between the left and right rotating mechanisms 4. In other words, at least a part (particularly the rear part) of the headlight unit 21 overlaps at least a part of the left and right rotating mechanisms 4 in a side view. In this case, it is preferable that a part of the headlight unit 21 protrudes rearward from the opening of the cowling brace 23. With such a configuration, the dimension (particularly the dimension in the front-rear direction) of the front upper portion of the motorcycle 1 can be reduced.

  As shown in FIG. 21, the support member 42 is provided with a gauge portion 425. The gauge part 425 indicates the position of the wind screen 31. For example, a plurality of ridges and recesses formed at predetermined intervals in the rotation direction (circumferential direction around the rotation shaft 332 of the rotary damper 33) are applied to the side surface of the main body 421 of the support member 42. it can. In FIG. 21, a ladder-like convex pattern is applied as the gauge portion 425 (in other words, the concave patterns are arranged in the rotation direction, and the convex portion between the concave patterns is the gauge portion 425. Is shown). When the support member 42 rotates together with the wind screen 31, the number of gauge parts 425 exposed to the outside of the front cover 162 and the relative positional relationship between the gauge parts 425 and the front cover 162 change. . Accordingly, the driver D compares the number of gauge portions 425 appearing outside the front cover 162 and the relative positional relationship between the surface of the front cover 162 and the gauge portion 425 using the left and right support members 42. Thus, the driver D can determine whether or not the positions of the left and right support members 42 are the same. For this reason, the driver D can easily correct this deflection when the wind screen 31 is bent.

  In addition, the shape of the gauge part 425 and the location formed are not specifically limited. In short, the gauge portion 425 may be configured to be provided at a position where the driver D can easily see the vehicle 1 while riding the motorcycle 1. And the gauge part 425 should just be the structure which can compare whether the position of the support member 42 on either side exists in the same position. Therefore, the gauge portion 425 may be formed on the rear surface of the support member 42 or the inner surface in the vehicle width direction. Further, the number of gauge portions 425 is not limited.

  As mentioned above, although each embodiment of this invention was described in detail with reference to drawings, each said embodiment only showed the specific example in implementation of this invention. The technical scope of the present invention is not limited to the above embodiments. The present invention can be variously modified without departing from the spirit of the present invention, and these are also included in the technical scope of the present invention.

  For example, in the embodiment, the on-road type is shown as the motorcycle, but the type of the motorcycle to which the present invention is applied is not limited. The present invention can be applied to various motorcycles such as off-road type motorcycles and scooter type motorcycles.

  The present invention is effective for a movable wind screen device provided in a motorcycle. And according to this invention, the improvement of the freedom degree of the layout of the surrounding apparatus can be aimed at the circumference | surroundings of a windscreen apparatus.

1: motorcycle, 3: wind screen device, 4: rotation mechanism, 41: base bracket, 42: support member, 5: fixing mechanism

Claims (5)

A windscreen device provided on a front upper portion of a vehicle body, having a windscreen superimposed on a part of a passenger in a front view, and a support mechanism for movably supporting the windscreen,
The support mechanism includes a pair of left and right base brackets provided apart from each other in the vehicle width direction, a pair of left and right support members that are rotatably connected to the pair of left and right base brackets and to which the wind screen is attached, A fixing mechanism that fixes an angle between each of the pair of left and right support members and each of the pair of left and right base brackets;
The windscreen device, wherein the pair of left and right support members and the pair of left and right fixing mechanisms are independent from each other on the left and right.   2. The wind screen device according to claim 1, wherein the pair of right and left fixing mechanisms are ratchet mechanisms that allow movement of the support member in one direction and restrict movement in the opposite direction. The ratchet mechanism is
A claw member provided rotatably on the base bracket;
A plurality of recesses provided in the support member and engageable with the claw member, and are formed side by side in the movement direction; and
A biasing member that biases the claw member toward the engaging portion;
Have
The position of the support member can be changed by moving the support member from one end to the other end of the movable range, and the claw member is engaged with any of the plurality of recesses of the engagement portion. The windscreen device according to claim 2, wherein the position of the support member is maintained. The ratchet mechanism is
A retraction mechanism that moves the claw member to a retraction position that does not engage with the recess of the engagement portion when the support member reaches the other end of the movable range;
A return mechanism that moves the pawl member to a position where the biasing member biases toward the engagement portion when the support member reaches the one end of the movable range in a state where the support member is in the retracted position; ,
The windscreen device according to claim 3, further comprising:   The windscreen device according to any one of claims 1 to 4, wherein the support portion is provided with a gauge portion indicating a position.

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