JP4267731B2 - Windshield device for motorcycles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a windshield device for a motorcycle that changes the height and inclination angle of a windshield plate provided at the front of a vehicle body.
[0002]
[Prior art]
A conventional windshield device of this type is disclosed in, for example, Japanese Patent Publication No. 64-7916. The windshield device disclosed in this publication includes a front support mechanism that is connected to a lower end portion of the windshield plate and a central portion in the vehicle width direction, and a rear support mechanism that is connected to both sides of the windshield plate. It adopts a structure that changes the height and inclination angle.
[0003]
The front support mechanism includes a push rod connected to a windshield plate via a ball joint and an actuator that drives the push rod. The push rod extends forward and downward from the windshield and passes through the actuator. The actuator has a structure in which the push rod is driven in the vertical direction by a motor, and an axial line in the vehicle width direction is provided on the vehicle body frame side in order to allow the extension direction of the push rod to change as the windshield plate moves. It is supported so that it can rotate around.
[0004]
The rear support mechanism includes a guide rail formed so as to extend rearward and having a lower end fixed to the body frame, and a guide roller on the windshield plate whose movement direction is regulated by the guide rail. ing.
[0005]
According to this windshield device, the guide roller moves along the guide rail by moving the front end of the windshield plate from the position lower on the front side relatively rearward by the motor of the front support mechanism. As the position becomes higher, the windshield comes to stand up. When the windshield plate is moved, the actuator rotates about the axis in the vehicle width direction and the extending direction of the push rod changes.
[0006]
[Problems to be solved by the invention]
However, the conventional windshield device configured as described above has a problem of how to form the rear support mechanism in a compact manner. That is, if the guide rail is shortened to reduce the size of the rear support mechanism, the movable range of the windshield plate will be narrowed, and if the movable range is widened, the windshield plate will be moved to the lowest position. This is because the upper end of the guide rail may protrude above the windshield.
[0007]
The load applied from the windshield to the guide rail acts to bend the guide rail in the direction in which the guide rail is inclined. For this reason, the rigidity of the guide rail must be increased. This is also one of the reasons for the increase in the size of the rear support mechanism.
[0008]
Further, since the actuator of the front support mechanism rotates in response to the movement of the windshield plate, a space must be formed around the actuator so that the rotation of the actuator is not blocked. For this reason, there also existed a problem that a front side support mechanism became large.
[0009]
The present invention has been made to solve such problems, so that the rear support mechanism for supporting the rear side of the windshield plate can be made compact, and the movable range of the windshield plate can be widened. This is the first purpose. A second object is to avoid forming a useless space around the actuator.
[0010]
[Means for Solving the Problems]
In order to achieve this object, a windshield device for a motorcycle according to the present invention includes a windshield plate and a front support mechanism connected to a lower end portion of the windshield plate in order to change a height and an inclination angle of the windshield plate with respect to a vehicle body frame. And a rear support mechanism disposed behind and above the front support mechanism and connected to both sides of the windshield plate, and a front connector connected to the front support mechanism and connected to the windshield plate. In the motorcycle windshield device including an actuator, the front support mechanism is attached to the windshield plate so as to be rotatable about an axis in a vehicle width direction, and moves between a front lower position and a rear upper position. includes a coupling element, the rear support mechanism rotatably mounted about the axis of the vehicle width direction on the side of the windshield plate, extends along a plane perpendicular from windshields and vehicle width direction, the front As the connector moves Includes a side coupling element after moving between a lower front position and the rear upper position Te, the front support mechanism includes a guide member comprising a guide rail in which the front coupling element to linearly reciprocate upwardly and rearwardly, The rear side support mechanism has a swing fulcrum that is located above the guide member and the rear side connector swings in the vertical direction. The rear side connector moves the windshield plate to the rear upper position. In this state, it tilts downward .
[0011]
According to the present invention, since the rear connector moves together with the windshield plate, the rear connector can support a high portion of the rear portion of the windshield plate in a state where the windshield plate is moved relatively high. When the plate is moved so as to be relatively low, the position of the rear connector can be lowered.
[0013]
Moreover, according to this invention , in the state which moved so that the windshield plate became comparatively high, the load of the traveling wind which a windshield plate receives can be made to act on the longitudinal direction of a rear side connector.
Moreover, since the structure which connects an actuator to a front side connector is taken , the actuator of the structure which translates this by making a front side connector into a moving element is employable . The actuator can be fixed at a fixed position.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of a windshield device for a motorcycle according to the present invention will be described in detail with reference to FIGS.
FIG. 1 is a side view of a windshield device according to the present invention, FIG. 2 is a side view showing an enlarged main part, and FIG. 3 is a side view for explaining the operation of a windshield plate and a support mechanism. Indicates a state in which the windshield plate is moved to the lowest position, and FIG. 5B shows a state in which the windshield plate is moved to the highest position.
[0019]
In these drawings, what is indicated by reference numeral 1 is a windshield device for a motorcycle according to this embodiment. The windshield device 1 includes a windshield 4 that is disposed in front of the steering handle 2 and forms a part of a cowling 3 that covers the front of the vehicle body from the front. In FIG. 1, reference numeral 5 indicates a body frame of the motorcycle, reference numeral 6 indicates a head pipe of the body frame 5, and 7 indicates a fuel tank.
[0020]
The windshield device 1 includes the windshield plate 4, a front support mechanism 8 that supports the vehicle body front side of the windshield plate 4, and a rear support mechanism 9 that supports the vehicle body rear side of the windshield plate 4. 6 is supported via a support stay 10. In addition to the windshield device 1, the support stay 10 supports a headlight 11 and a meter 12 at the front end of the cowling. That is, the headlight 11 is connected to an annular pipe 10a that surrounds the headlight 11, and the windshield device is disposed on the upper part of a pair of left and right pipes 10b that are substantially U-shaped in side view and connect both sides of the pipe 10a and the head pipe 6. 1 and meter 12 are connected.
[0021]
The windshield 4 is formed of transparent plastic and is curved so that the center of the main surface is convex toward the front upper side. Further, a bracket 4a for connecting a front support mechanism 8 to be described later is integrally formed at the front end portion of the windshield plate 4 so as to protrude downward. The bracket 4a is formed at the center in the vehicle width direction so as to form a pair in the vehicle width direction.
[0022]
The front support mechanism 8 includes a guide member 13 fixed to the support stay 10 and a front connector 14 attached to the support bracket 4a of the windshield 4 so as to be rotatable about an axis in the vehicle width direction. ing. The front connector 14 is provided so as to form a pair in the vehicle width direction, and is supported by a guide member 13 provided only at the center in the vehicle width direction.
[0023]
The guide member 13 linearly reciprocates the front connectors 14 and 14 between a front lower position indicated by a solid line and a rear upper position indicated by a two-dot chain line in FIGS. It has a structure. More specifically, the guide member 13 rotatably supports the bolt 15 so as to incline backward, and a nut (not shown) on the front connector 14 side is screwed onto the bolt 15 and the upper end of the bolt 15 is A motor 17 is connected to the part via a reduction gear 16. That is, in this embodiment, the electric actuator is integrally incorporated in the front support mechanism 8.
[0024]
The motor 17 is supported by the support stay 10 so that the axis is directed in the vehicle width direction. The position where the motor 17 is attached is the front lower side of the meter 12. The reduction gear 16 is fixed to the support stay 10 together with the motor 17. By disposing the motor 17 above the guide member 13 and below the meter 12 in this way, it is possible to avoid the motor 17 and the headlight 11 from interfering with each other, and the motor 17 can be seen from the passenger side. Can be prevented. The motor 17 is connected to a control circuit so that the rotation / stop and the rotation direction can be switched by operating a switch (not shown) provided on the steering handle 2.
[0025]
The said rear side support mechanism 9 is comprised by the link mechanism which has the rear side connector 21 extended along the plane orthogonal to a vehicle width direction. The rear connector 21 is provided so as to make a pair in the vehicle width direction, and is interposed between both side portions of the windshield 4 in the vehicle width direction and the upper end portion of the support stay 10. More specifically, the rear connector 21 is attached at one end to the inner side of the windshield 4 and at the approximate center in the front-rear direction so as to be rotatable about an axis in the vehicle width direction, and the other end to the support stay. 10 is attached to the upper end of the vehicle so as to be rotatable about an axis in the vehicle width direction, and is tilted forward and downward as shown by a solid line in FIGS. 1 and 2 and backward and downward as shown by a two-dot chain line. In this case, a structure that swings around the supporting stay 10 side end portion with the rear upper position is adopted. When the front connector 14 is positioned at the front lower position, the rear connector 21 is also positioned at the front lower position, and the front connector 14 is moved to the rear upper position, so that the rear connector 21 is moved to the rear upper position. Rocks until.
[0026]
In the windshield device 1 configured as described above, the windshield plate 4 is positioned at the lowest position by moving the front connector 14 and the rear connector 21 to the front lower position as shown in FIG. . The reason why the windshield 4 is lowered in this way is when traveling while looking widely ahead, for example, when traveling in an urban area at a relatively low speed. When the front connector 14 is moved rearward and upward by the motor 17 of the front support mechanism 8 from this state, the rear connector 21 swings clockwise in the drawing, and the windshield 4 moves rearward and upward.
[0027]
At this time, since the rear connector 21 swings and stands up from the state of being inclined forward and downward, the rear portion of the windshield 4 moves upward while moving backward. That is, the windshield plate 4 gradually increases, and the inclination angle of the windshield plate 4 with respect to the horizontal gradually increases.
[0028]
When the front connector 14 is further moved rearward and the front connector 14 and the rear connector 21 reach the rear upper position as shown in FIG. 3B, the position of the windshield 4 becomes the highest, The tilt angle is also maximized. In this way, the windshield 4 can be blocked by the windshield 4 by standing the windshield 4 at a high position.
[0029]
Therefore, according to the windshield device 1 configured as described above, since the rear connector 21 moves together with the windshield plate 4, the rear connector 21 is moved in a state where the windshield plate 4 is moved relatively high. A high part of the rear part of the windshield can be supported, and the position of the rear connector 21 can be lowered in a state where the windshield 4 is moved so as to be relatively low.
[0030]
Further, in a state where the windshield plate 4 is moved so as to be relatively high, the rear side connector 21 is inclined rearwardly downward, and the traveling wind load received by the windshield plate 4 acts in the longitudinal direction of the rear side connector 21. Therefore, the windshield plate 4 can be firmly supported when the wind pressure acting on the windshield plate 4 is maximized despite the compact structure.
[0031]
Further, since the actuator that translates the front connector 14 as a moving element is employed, the actuator can be fixed at a fixed position. For this reason, it is not necessary to form a useless space around the actuator, and the compact windshield device 1 can be manufactured.
[0033]
The first reference technology rear support mechanism can be formed as shown in FIG.
FIG. 4 is a view showing an example of a technique which is a reference of the present invention . FIG. 4A shows a state in which the windshield plate is moved to the lowest position, and FIG. 4B shows the highest windshield board. The state moved to the position is shown. In the figure, the same or equivalent members as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and detailed description thereof is omitted.
[0034]
The windshield device 1 according to this reference example has the same structure as that of the first embodiment except that the structure of the rear support mechanism 9 is different. The rear support mechanism 9 shown in FIG. 4 is formed so as to reciprocate the rear connector 21 along a guide rail 31 on the support stay (not shown) side. The guide rails 31 are provided so as to make a pair in the vehicle width direction and are fixed to the support stay.
[0035]
In this reference example , the guide rail 31 and the rear connector 21 are formed to be curved so that the front side of the vehicle body is recessed. Both of these can be formed in a straight line so as to be inclined upward without being curved.
[0036]
According to the rear support mechanism 9 configured as described above, when the front connector 14 is positioned at the front lower position, the rear connector 21 is also positioned at the front lower position as shown in FIG. As shown in (b), when the front connector 14 moves to the rear upper position, the rear connector 21 moves along the guide rail 31 to the rear upper position. Even if the rear support mechanism 9 is configured as described above, the rear connector 21 moves together with the windshield plate 4. Therefore, when the windshield plate 4 moves so as to be relatively high, the rear connector 21 causes the windshield plate to move. A high part of the rear part can be supported, and the position of the rear side connector 21 can be lowered in a state where the windshield 4 is moved so as to be relatively low.
[0037]
When the rear support mechanism 9 is formed as shown in this reference example , an actuator can be provided in the rear support mechanism 9. As an actuator provided in the rear support mechanism 9, a rack (not shown) is connected to the rear connector 21, or a rack is integrally formed, and a pinion of a motor (not shown) is engaged with the rack. Can be used. Even when this actuator is used, since the actuator itself does not move, the windshield device 1 can be made compact.
[0038]
The second reference technology front support mechanism can be formed as shown in FIG.
FIG. 5 is a diagram showing an example of the second reference technique . FIG. 5A shows a state where the windshield plate is moved to the lowest position, and FIG. 5B shows the windshield plate at the highest position. Indicates the moved state. In the figure, the same or equivalent members as those shown in FIGS. 1 to 4 are designated by the same reference numerals, and detailed description thereof is omitted.
[0039]
The windshield device according to this reference example has the same structure as that of the first and second embodiments except that the structure of the front support mechanism 8 is different. The front support mechanism 8 shown in FIG. 5 is configured by a link mechanism having a front connector 14 extending along a plane orthogonal to the vehicle width direction.
The front connector 14 according to this reference example is provided so as to form a pair in the vehicle width direction, and is interposed between the front end portion of the windshield plate 4 and a support stay (not shown). More specifically, the front connector 14 is attached at one end to the front end of the windshield 4 so as to be rotatable about an axis in the vehicle width direction, and the other end is rotated around the axis in the vehicle width direction on the support stay. A support stay side end between a front lower position inclined forward and downward as shown in FIG. 5 (a) and a rear upper position inclined rearward and upward as shown in FIG. 5 (b). It has a structure that swings around the fulcrum.
[0040]
When the front connector 14 is positioned at the front lower position, the rear connector 21 is also positioned at the front lower position, and the front connector 14 is moved to the rear upper position, so that the rear connector 21 is moved to the rear upper position. Rocks until.
[0041]
Thus, even if the front side support mechanism 8 is formed, the same effects as those of the above-described embodiment and reference example can be obtained. When the front support mechanism 8 is provided with an actuator, an actuator having a structure in which the end on the support stay side of the front connector 14 is rotated by a motor (not shown) is employed. Even when this actuator is used, since the actuator itself does not move, the windshield device 1 can be made compact. In addition, when providing an actuator in the rear side support mechanism 9, the thing of the same structure as the time of taking the structure shown in the 1st reference technique is used.
[0042]
【The invention's effect】
As described above, according to the present invention, the rear connector moves together with the windshield plate. Therefore, when the windshield plate is moved higher, the rear portion of the windshield plate can be supported by the rear connector. When the windshield plate is moved so as to be lowered, the position of the rear connector can be lowered.
[0043]
For this reason, the movable range of a windshield board can be taken wide, forming the rear side support mechanism which supports the rear side of a windshield board compactly.
[0044]
Further , according to the present invention , when the windshield plate is moved so as to be relatively high, the load of the traveling wind received by the windshield plate can be applied in the longitudinal direction of the rear connector, so that the structure is compact. However, the windshield can be supported with high support strength.
[0045]
Further, since the actuator can be fixed at a fixed position, it is not necessary to form a useless space around the actuator, and a compact windshield device can be realized.
[Brief description of the drawings]
FIG. 1 is a side view of a windshield device according to the present invention.
FIG. 2 is a side view showing an enlarged main part.
FIG. 3 is a side view for explaining the operation of the windshield plate and the support mechanism.
FIG. 4 is a diagram showing a first reference technique .
FIG. 5 is a diagram showing a second reference technique .
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Windshield apparatus, 4 ... Windshield board, 8 ... Front side support mechanism, 9 ... Rear side support mechanism, 14 ... Front side connector, 17 ... Motor, 21 ... Rear side connector

Claims (1)

A windshield ,
A front support mechanism connected to the lower end of the windshield plate to vary the height and angle of inclination relative to the vehicle body frame of the windshield plate,
A rear support mechanism disposed behind and above the front support mechanism and connected to both sides of the windshield;
In a windshield device for a motorcycle, including an actuator connected to the front support mechanism and driving a front connector coupled to the windshield plate,
The front support mechanism includes said front coupling element said windshield plate pivotally mounted about the axis of the vehicle width direction, to move between the lower front position and the rear upper position,
The rear support mechanism is mounted rotatably about the axis of the vehicle width direction on the side of the windshield plate, extends along a plane perpendicular from windshields and vehicle width direction, the movement of the front coupling element Including a rear connector that moves between a front lower position and a rear upper position ,
The front support mechanism includes a guide member that serves as a guide rail in which the front connector linearly reciprocates upward and backward,
The rear support mechanism has a swing fulcrum that is located above the guide member and the rear connector swings in the vertical direction.
The windshield device for a motorcycle , wherein the rear connector is inclined rearward and downward with the windshield plate moved to a rear upper position .

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