JP2002160683A - Driving gear for movable type windshield - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a driving gear for a movable type windshield simplifying mounting and capable of always smoothly maintaining movement of the windshield. SOLUTION: In this driving gear 1 for a movable type windshield, driving a motor 2a to vertically move the windshield relating to a motorcycle body, the driving gear 1 comprises a single feed screw 3 rotated by driving the motor 2a, a guide shaft 4 arranged to extend almost in parallel to the feed screw 3, and a mounting member 5 mounted in the feed screw 3 and the guide shaft 4 so as to be movable while guided thereby, when the feed screw 3 is rotated, to be additionally connected to the wind screen.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving device for a movable windscreen mounted in front of a motorcycle for the purpose of a windshield.

[0002]

2. Description of the Related Art Conventionally, a windscreen for a windshield mounted on a front cowl of a motorcycle is movable, and the amount and angle of projection of the windscreen can be freely selected and adjusted according to the field of view based on the occupant's preference or posture physique. The technology is disclosed, for example, in Japanese Patent Application Laid-Open No. 60-8174.

[0003] Such a conventional movable wind screen driving device is, as shown in FIG.
The windscreen 101 is mounted on the upper surface to move the windscreen 101 up and down. The windscreen 101 is driven by the operation of a switch attached to a handle (not shown).
The main configuration is mainly composed of the feed screw 103 provided in this way and the slider 107 fitted to the feed screw 103.

A worm gear 105 is fixed to the end of each drive shaft of the motor 104, and a helical gear 106 is disposed so as to intersect the worm gear 105. The helical gear 106 has two feed screws 1
Each of the feed screws 103 is fixed to the vicinity of the upper end of the screw 03, and when the helical gear 106 rotates, each feed screw 103 also rotates.

Further, a slider 107 connected to the wind screen 101 is attached to each feed screw 103, and the wind screen 101 can be moved up and down by moving the slider 107 up and down along the feed screw 103. That is, the wind screen 101
Is supported by two sliders on the left and right, and is movable with the vertical movement of the slider.

[0006]

However, in the above-mentioned conventional movable windscreen driving apparatus,
Since the slider moves synchronously on the two feed screws arranged in parallel and moves the wind screen up and down, if there is a mounting error or pitch error of each feed screw, There is a problem in that there is a difference in the amount of movement between the left and right sliders, so that the vertical movement of the wind screen cannot be performed smoothly. Further, when the difference in the amount of movement of the slider is large, there is a problem that the vertical movement of the wind screen cannot be performed. .

In order to prevent the above problems, it is necessary to select feed screws having a small pitch error and attach them with extremely high positioning accuracy. However, such work is complicated and difficult. However, there is a problem that the workability of assembling the windscreen deteriorates, the yield decreases, and the manufacturing cost increases.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a movable windscreen driving device which can be easily mounted and can always keep the windscreen moving smoothly. .

[0009]

According to the first aspect of the present invention,
In a movable windscreen drive device for moving the windscreen up and down with respect to the motorcycle body by driving a motor, the motorcycle is disposed so as to extend in the direction of movement of the windscreen at the center in the width direction of the motorcycle body,
One feed screw rotated by driving of the motor;
A guide shaft extending substantially in parallel with the feed screw, and attached to the feed screw and the guide shaft such that when the feed screw rotates, the guide shaft is movable along the feed screw while being guided by the guide shaft. And a mounting member connected to the windscreen.

With this configuration, when the motor is driven to rotate the feed screw, the mounting member moves up and down along the feed screw while being guided by the guide shaft, and moves the wind screen up and down.

The invention according to claim 2 is characterized in that the guide shaft is mounted on both sides of the feed screw.

According to this configuration, the mounting member is configured so that the center thereof is supported by the feed screw and the both ends are supported by the guide shaft. When the motor is driven and the feed screw rotates, the mounting member guides the vicinity of both ends thereof. It moves up and down along the feed screw while being guided by the shaft, and moves the windscreen up and down.

According to a third aspect of the present invention, a sensor for detecting that the mounting member has reached the upper and lower ends of the feed screw is provided, and the driving of the motor is stopped by the detection of the sensor. .

[0014]

Embodiments of the present invention will be specifically described below with reference to the drawings. The movable windscreen driving device according to the present embodiment is for moving a windscreen extending from a front cowl of a motorcycle up and down, and mainly includes a motor unit 2 and a feeder as shown in FIG. Screw 3 and guide shaft 4
And a mounting member 5 and control means 6.

The motor unit 2 includes a motor 2a which is a driving source of the driving device 1, and is fixed to an end wall 7b of a base plate 7 with a screw 10 via a cover 9 and a motor mounting plate 8. . The output shaft of the motor 2a is connected to the feed screw 3 via a speed reducer (not shown) and a motor gear 11.

The base plate 7, as shown in FIG.
The upper surface and one side surface are open, and include one feed screw 3 penetrating the mounting member 5 and two guide shafts 4. The feed screw 3 has one end inserted through a hole 7aa formed in the end wall 7a via a stopper 12, and the other end inserted through a notch 7ba formed in the end wall 7b via a stopper 13. State,
It is configured to rotate with the rotation of the motor 2a.

The guide shafts 4 extend in parallel with the feed screw 3 and are fixed in the base plate 7, and are disposed on both sides of the feed screw 3 one by one (two in total). And like the feed screw 3, one end is fixed to the end wall 7a, while the other end is fixed to the end wall 7b. The guide shaft 4 is made of stainless steel having a circular cross section, and is made of a rigid material capable of withstanding a load applied when the mounting member 5 slides.

As shown in FIG. 3, the mounting member 5 has a mounting hole 5aa for mounting a windscreen at the left and right ends.
, A nut portion 5 having a female screw hole 5ba through which the feed screw 3 is fitted and inserted and a guide shaft hole 5bb through which the guide shaft 4 is inserted.
b, plate portion 5c having substantially the same dimensions as the bottom surface of nut portion 5b
And these components are connected by four screws 14. The attachment state of the windscreen to the attachment hole 5aa will be described later.

The feed screw 3 is inserted through the female screw hole 5ba of the mounting member 5 and the guide shaft 4 is inserted through the guide shaft hole 5bb. Is the guide shaft 4
And slides along the feed screw 3 while being guided. The mounting member 5 is moved from the end wall 7a to the end wall 7b of the base plate 7 or the end wall 7b based on the rotation direction of the feed screw 3.
b to the end wall 7a.

The control means 6 is mounted on the open side surface of the base plate 7 and includes a relay 6a, a poly switch 6b, a micro switch 6c, a diode 6
d. A method of manufacturing the control means 6 will be described below with reference to FIGS.

That is, as shown in FIG. 4, the above-mentioned components are attached to a substrate 6e on which a cord 6f for wiring is extended by soldering or the like, thereby forming a predetermined electric circuit. Next, as shown in FIG.
g, and fixed with screws 15 as shown in FIG.
The urethane adhesive 16 is filled in the case 6g with a resin filling machine.
Is filled, and the urethane adhesive 16 is solidified to obtain the control means 6.

The relay 6a adjusts the direction of current and the application of voltage to the motor 2a in accordance with switching of an operation switch by an operator. The relay 6a is an electromagnetic relay. It may be. The poly switch 6b is used to cut off the power supply to the motor 2a and stop driving the feed screw 3 when an excessive load is applied to the feed screw 3.

The microswitch 6c is a sensor for detecting that the mounting member 5 moving along the feed screw 3 has reached the upper and lower ends. When the sensor detects the upper and lower ends, the drive of the feed screw 3 by the motor 2a is performed. Is configured to stop. It should be noted that other general-purpose sensors may be used instead of the microswitch 6c, and a non-contact sensor such as an optical sensor may be used in addition to the contact sensor such as the present sensor.

As shown in FIG. 7, a main body cover 17 for protecting the feed screw 3 and the like is attached to the upper surface of the base plate 7. In FIG. 1, the main body cover 17 is provided for convenience of explanation. This shows a state in which it is not attached. One end of the main body cover 17 is fixed to the end wall 7a of the base plate with screws 18, and
The other end is inserted and fixed in a gap between the motor mounting plate 8 and the cover 9.

As shown in FIG. 8, the drive device 1 having the above structure is provided inside the front cowl 19 of the motorcycle, and the feed screw 3 is provided at the center of the width direction of the motorcycle in the moving direction of the wind screen 20. The feed screw 3 is rotated by the operation of a drive switch (not shown), and the rotation of the feed screw 3 causes the mounting member 5 to move while being guided by the guide shaft 4, and is interlocked therewith. Let's windscreen 2
0 is moved up and down.

Next, the attachment of the drive unit 1 to the motorcycle and the operation of the windscreen 20 will be described in detail. In FIG. 9, a stay 23 is fixed to a frame 24 fixed to the motorcycle side, the driving device 1 is supported on the stay 23, and a windscreen 20 is fixed to the frame 22. Further, link members 21 and 25 extend from the attachment member 5 and the frame 24 to the frame 22 of the driving device 1, and follow the movement of the attachment member 5 so that the frame 22 moves from the state shown in FIG. It is configured to reach the state shown in FIG.

However, the driver turns on the drive switch to move the mounting member 5, and turns off the drive switch when the wind screen 20 is at a desired position, thereby responding to the driver's preference and vehicle speed. Thus, the height of the windscreen 20 can be adjusted. Also,
When the microswitch 6c detects that the mounting member 5 has reached the end of the feed screw 3, the drive of the motor 2a is stopped, and the windscreen 20 automatically stops at that position.

According to the present embodiment, the windscreen 20 is moved up and down by the rotation of one feed screw 3, so that the feed rate is smaller than that in which two or more feed screws are arranged. It is not necessary to synchronize the screws, and it is possible to always provide a high-quality drive device. Further, since the feed screw 3 is moved while being guided by the guide shaft 4, the rigidity and strength of the entire driving device can be improved, and the smooth vertical movement of the wind screen 20 can be realized.

Although the present embodiment has been described above, the present invention is not limited to this. For example, one guide shaft may be provided in parallel with the feed screw, and the mounting member may be integrated. It may be molded. Further, the link mechanism of the windscreen using the link material may be replaced with another swing mechanism, and it is preferable to employ a swing mechanism according to the form of the motorcycle to be applied.

[0030]

According to the first aspect of the present invention, since the windscreen is moved up and down by one feed screw, the installation is simple and the movement of the windscreen is always maintained smoothly. Can be.

According to the second aspect of the present invention, the vicinity of both ends of the mounting member connected to the wind screen is supported by the guide shaft, so that the strength of the entire driving device can be enhanced and the driving device can be made smoother. The movement of the windscreen can be enabled.

According to the third aspect of the present invention, the movement of the mounting member beyond the feed screw can be restricted.

[Brief description of the drawings]

FIG. 1 is a top view showing a driving device for a movable windscreen according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a base plate and internal components in a movable windscreen driving device according to an embodiment of the present invention.

FIG. 3 is an exploded view showing a mounting member of the movable windscreen driving device according to the embodiment of the present invention.

FIG. 4 is a perspective view showing an assembling process of a control means in the movable windscreen driving device according to the embodiment of the present invention.

FIG. 5 is a perspective view showing an assembling process of control means in the movable windscreen driving device according to the embodiment of the present invention.

FIG. 6 is a perspective view showing an assembling process of control means in the movable windscreen driving device according to the embodiment of the present invention.

FIG. 7 is a perspective view showing a driving device for a movable windscreen according to an embodiment of the present invention.

FIG. 8 is a schematic diagram showing a state in which the drive device for the movable windscreen according to the embodiment of the present invention is mounted on a motorcycle.

FIG. 9 is a schematic diagram showing an attached state and operation of a movable windscreen driving device according to an embodiment of the present invention.

FIG. 10 is a schematic view showing an attached state and operation of a movable windscreen driving device according to an embodiment of the present invention.

FIG. 11 is a perspective view showing a conventional movable windscreen driving device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Drive device 2 ... Motor unit 2a ... Motor 3 ... Feed screw 4 ... Guide shaft 5 ... Mounting member 5a ... Stay part 5aa ... Mounting hole 5b ... Nut part 5ba ... Female screw hole 5bb ... Guide shaft hole 5c ... Plate part 6 Control means 6a Relay 6b Poly switch 6c Micro switch 6d Diode 6e Substrate 6f Code 6g Case 7 Base plate 7a, 7b End wall 7aa Hole 7ba Notch 8 Motor mounting plate 9 Cover 10: Screw 11: Motor gear 12, 13, Stopper 14, 15, 18: Screw 16: Urethane adhesive 17: Body cover 19: Front cowl 20: Wind screen 21, 25 ... Link material 22, 24 ... Frame 23 ... Stay

Claims (3)

[Claims] 1. A drive device for a movable windscreen, which moves a windscreen up and down with respect to a motorcycle body by driving a motor, wherein the windscreen drive device is disposed at a center in a width direction of the motorcycle body so as to extend in a moving direction of the windscreen. A feed screw that is rotated by driving the motor, a guide shaft that extends substantially parallel to the feed screw, and that is guided by the guide shaft when the feed screw rotates, along the feed screw. A movable windscreen driving device, comprising: a mounting member that is movably mounted on the feed screw and the guide shaft and is connected to the windscreen. 2. A drive device for a movable windscreen according to claim 1, wherein said guide shaft is attached to both sides of said feed screw. 3. The motor according to claim 1, further comprising a sensor for detecting that the mounting member has reached the upper and lower ends of the feed screw, and stopping the driving of the motor based on the detection of the sensor. 3. The driving device for a movable windscreen according to 2.