JP2919002B2 - Motorcycle stand equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a stand device for a motorcycle.

(Prior Art) In motorcycles, recently, a stand device has been proposed in which a stand is raised only by operating a switch.
It has been put to practical use.

In such a stand device, a support shaft supporting the main stand and a power source such as a motor are connected via a power transmission unit including a plurality of gear trains, and the power of the power source is transmitted via the power transmission unit. It is transmitted to the support shaft so that the main stand stands upright.

(Problems to be Solved by the Invention) When assembling such a stand device on the engine side, conventionally, a power source is first mounted on a power transmission unit, and then this power transmission unit is mounted on the engine side. And a lot of assembly work. on the other hand,
A cell motor for starting the engine may be arranged near the stand device. In such a case, two motors, a power source (motor) of the stand device and a cell motor, are arranged near the stand device. As a result, the structure becomes complicated and the space is disadvantageous.

(Means for Solving the Problems) In order to solve the problems, the present invention connects a power source and a main stand via a power transmission unit, and transfers the power of the power source to the main stand via the power transmission unit. In a motorcycle stand device for transmitting and standing the main stand, the stand device includes a power source constituted by a cell motor, a power transmission section constituted by a power transmission mechanism by gears, a case for accommodating these, It is composed of a main stand rotatably attached to the case, the stand device is provided as a unit separately from the engine, and the unitized stand device is attached to the engine from the outside of the front of the engine, inside the case. The power transmission mechanism using the stored gears meshes with a worm shaft driven by the cell motor and a worm provided on the worm shaft. The worm wheel and the worm wheel are provided coaxially,
It is characterized in that a driven gear provided integrally with the shaft of the main stand is constituted by a driving gear that meshes with the driven gear by operating a switch that raises the stand.

(Operation) The operation of the switch that raises the stand drives the worm worm shaft in the case that constitutes the power transmission unit by driving the cell motor, and drives the worm wheel that meshes with the worm provided on the worm shaft. And a driven gear that is coaxial with the drive gear is driven, and a driven gear that meshes with the drive gear is driven. Since the driven gear is provided integrally with the shaft of the main stand, the driven gear drives the shaft to rotate, and the main stand stands up.

In addition, since the power source constituted by the cell motor and the power transmission unit constituted by the power transmission mechanism using gears are integrated beforehand and mounted on the engine side, the stand device can be easily mounted. Further, since the power source is constituted by the cell motor, the structure can be simplified and the space can be saved.

(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows a rear side view of a motorcycle, in which 1 is a handle post provided upright from a floor, 2 is a rear wheel, and E is a unit swing type engine having a belt type automatic transmission. To drive the rear wheel 2.

The engine E is swingably attached to a support bracket 3 fixedly mounted on a vehicle body frame F via an arm 5. The arm 5 is formed in a U-shaped cross section.
6 is mounted via a bolt b1 to a boss E1 formed at the lower part of the engine E, as shown in FIGS. At the end of the arm 5 on the support bracket 3 side, a stopper arm 6 that can freely contact the body frame F is fixedly provided as shown in FIG.

FIG. 2 is a side view of the stand device, and FIG.
FIG. 5 is a cross-sectional view as viewed from the direction of arrow V in FIG. 2, and FIG. 5 is a case of an engine E. A stand device 11 is provided at the front of the engine case 7. The stand device 11 includes an upper part 12 and a lower part 13 which are integrally connected by bolts b2. Behind the stand device 11, a bell-con case covering the bell-con pulley 14a and the belt 14b is arranged as shown in FIG.

As shown in FIG. 3, an upper case 15 constituting the upper part 12 is integrally formed with a cell motor 17 and a vertical portion 15b.
Consists of An intermediate portion of the rotating shaft 17a of the cell motor 17 faces the vertical portion 15b, and a worm 18 is formed in the intermediate portion.

The tip of the rotating shaft 17a extends outside the vertical portion 15b, and the gear 17b provided at this tip is connected to the gear 21 of the starter pinion 20.
Mesh with.

In this embodiment, the starter pinion 20 is housed in a case 22 formed at the front of the engine case 7.

On the other hand, the lower case 24 is
a and a vertical portion 24b. The horizontal portion 24a further includes a first horizontal portion 24a1 and a second horizontal portion 24a2 which are formed integrally. A worm shaft 26 rotatably supported by upper and lower bearings 25, 25 is rotatably provided in the vertical portion 24b.

A worm wheel 26a is formed above the worm shaft 26, and a worm 26b is formed below the worm shaft 26. The worm wheel 26a is engaged with the worm 18 of the rotating shaft 17a.

A shaft 28 is provided in the first horizontal portion 24a1 so as to be movable in the left-right direction in FIG. 3, and a drive gear 28a is provided at an intermediate portion of the shaft 28. The drive gear 28a and the first horizontal portion 24a1 A return spring 30 is disposed between the shaft and the end, and constantly biases the shaft 28 to the right in FIG. A worm wheel 32 (see FIG. 2 for a side view) is keyed to the end of the shaft 28. The worm wheel 32
26b (see FIG. 2 for a side view of the engaged state).

A case 34 is fitted to an end of the first horizontal portion 24a1, and a solenoid 35 is disposed in the case 34. The end of the plunger 35a of the solenoid 35 is brought into contact with the end of the shaft 28.

The first horizontal portion 24a1 is integrally formed by hollowing, and as shown in FIG. 4, a case 34, a bearing 29a, a worm wheel 32, a bearing 29, a drive gear 28a housed in the first horizontal portion 24a1. , Return spring 30, bearing 27
In the first horizontal portion, the inner diameter gradually decreases in this order.
24a1 is arranged in order from the one with the smallest inner diameter.

A shaft 37 is rotatably provided in the second horizontal portion 24a2, and both sides 40a, which are legs of the main stand 40, are provided at both ends of the shaft 37.
40b is fixed with a bolt 41. A driven gear 42 (in the embodiment, a sector gear is used) is fixedly provided at an intermediate portion of the shaft 37.
When the shaft 28 driven by the worm wheel 32 moves leftward in FIG. 3 by the operation of the solenoid 35, the driven gear 42 meshes with a driving gear 28a which is a driving gear.

The second horizontal section 24a2 is provided with a limit switch 44 as shown in FIGS.
The contact portion 44a contacts the engagement portion 37a of the shaft 37.

2 and 10, a flange 46 is formed on the upper portion 12, and flanges 47 and 47 are formed on the lower portion 13, respectively, and the flange 46 is fixed to the engine E side with bolts 48 and 48. With you. The flanges 47 are fixed to a bracket E1 provided at a lower portion of the engine E with bolts 49.

In the assembled state, the upper part of the stand device 11 is located between the cell motor 17 and the engine E as shown in FIG.
12 is located. Reference numeral 65 denotes a cover for maintenance.

 Next, the operation of the stand device 11 will be described.

First, at the time of starting the engine E, a switch for starting the engine (not shown) is operated, so that the cell motor is started.
17 operates to rotate the rotation shaft 17a, and this rotation is performed by the gears 17b, 2
It is transmitted to the starter pinion 20 via 1 and the starter pinion 20 moves rightward in FIG. Then, the gear 20a provided on the starter pinion 20 meshes with the bell-con-drive-side pulley B connected to the crankshaft, and the crankshaft rotates to start the engine E.

On the other hand, when the stand device is to be erected, a switch for erecting a stand different from the previous one is operated, the cell motor 17 is operated, and the rotating shaft 17a is rotated (at this time,
The rotation shaft 17a rotates in the opposite direction, so that the starter pinion 20 does not move rightward).

The rotation of the rotating shaft 17a is transmitted to the worm shaft 26 via the worm 18 and the worm wheel 26a meshing with the worm 18, and rotates the worm shaft 26. The rotation of the worm shaft 26
The worm 26b provided on the worm shaft 26 and the worm 2
The power is transmitted to the shaft 28 via the worm wheel 32 meshing with the shaft 6b, and the shaft 28 including the drive gear 28a rotates.

At this time, the solenoid 35 is actuated simultaneously with the operation of the switch, and the plunger 35a protrudes leftward in FIG.
8 moves leftward in FIG. 3 against the elasticity of the return spring 30. With this movement, the drive gear 28a provided on the shaft 28
Meshes with the driven gear 42, and the rotation of the shaft 28
The shaft 37 rotates in the main stand erecting direction, and the main stand 40 erects.

That is, the driving of the cell motor 17 is performed by the worm worm shaft 2
6, transmitted to the shaft 28 via the worm 26b and the worm wheel 32, and the drive gear 28a provided on the shaft 28 and the driven gear 42 are meshed, so that the shaft 37 of the main stand 40 rotates, The main stand 40 is rotated in the upright direction.

When the main stand 40 stands, the engaging portion 37 of the shaft 37
a contacts the contact portion 44a of the limit switch 44, the limit switch 44 operates, and the starter motor 17 stops.

In the above, the stand device 11 of the present embodiment integrates the upper part 12 for accommodating the cell motor 17 and the lower part 13 for accommodating the respective worm shafts 26, 28 and 37 in advance, and as shown in FIG. An integrated stand device 11 is mounted on the engine E side. Therefore, assembling is easier than a conventional structure in which a motor and a power transmission system member (a member for housing a shaft or the like) are separately mounted on the engine side.

Further, in the present embodiment, since the motor for erecting the main stand 40 is also used as the cell motor 17 for starting the engine, the number of parts can be reduced, the structure can be simplified, and the space can be saved. it can.

Further, in the related art, since the engine case is partly protruded and configured as a part of the case of the stand device 11, the engine E can be applied only when the stand device is attached. However, in the present embodiment, the stand device 11 is unitized and completely separate from the engine E, so that the above two cases can be applied to both. , The engine E can be shared.

Also, in the original embodiment, as shown in FIG.
Is provided inside the starter pinion 20, that is, the worm shaft 26 may be provided outside the starter motor 17.

FIG. 11 shows a modified embodiment of the present invention, in which the engine is a horizontal engine and the cylinder 50 extends forward. In this embodiment, the stand device 11 is arranged to be horizontal, and the cell motor 17 is accommodated in the lower front part of the bell-con case 14 so as not to overlap with the cylinder 50 in a side view.

(Effect of the Invention) As described above, according to the present invention, a power source and a main stand are connected via a power transmission unit, and the power of the power source is transmitted to the main stand via the power transmission unit. In a motorcycle stand device in which a main stand is erected, the stand device includes a power source configured by a cell motor, a power transmission unit configured by a power transmission mechanism by gears, a case for housing these, and a rotation A gear that is composed of a main stand that is freely attached and that is provided as a unit separately from the engine, and that the unitized stand device is attached to the engine from outside the front of the engine and housed in the case. A worm shaft driven by the cell motor, and a worm meshed with a worm provided on the worm shaft. A wheel provided in the worm wheel coaxially to the axis a driven gear provided integrally with the main stand, and composed of a drive gear to the driven gear meshed with the operation of the switch for erecting the stand.

Therefore, the motorcycle stand device according to the present invention is configured in advance by integrating a cell motor and a case having a power transmission mechanism by gears therein, and is configured separately from the engine. There is no need to separately install the power transmission unit on the engine side, and a stand device that integrates the cell motor and the case containing the gear power transmission mechanism in advance should be attached to the engine. Mounting of the stand device becomes easy. In addition, since it is constituted by the cell motor and the gear mechanism, the structure can be simplified and the space can be saved.

In particular, the present invention, in addition to the above effects, drives the worm shaft in the case constituting the power transmission unit through the gear provided by driving the cell motor to mesh with the worm provided on the worm shaft. Drive the worm wheel, drive the drive gear that is coaxial with the worm wheel, and directly drive the driven gear that meshes with the drive gear, and the driven gear is provided integrally with the shaft of the main stand. , And the driven gear driven by the worm wheel rotates the shaft of the main stand to erect the main stand.

[Brief description of the drawings]

1 is a side view of a motorcycle, FIG. 2 is a side view of an engine, FIG. 3 is a development view taken along the line III-III of FIG. 2, and FIG.
FIG. 5 is a cross-sectional view of the horizontal part, FIG. 5 is a cross-sectional view as viewed from the direction of arrow V in FIG. 2, FIG. 6 is a plan view of the vicinity of the arm with the stand stored, and FIG. Figure 8
FIG. 9 is a view taken in the direction of the arrow VIII in FIG. 2, FIG. 9 is a view taken in the direction of the arrow IX in FIG.
FIG. 10 is a perspective view showing the mounting of the stand device, and FIG.
The figure is a side view of the engine according to the modified embodiment. 11… Main stand device, 17… Cell motor, 18…
… Cell motor gears, 15,24 …… case, 26 …… worm worm shaft 26, 26a …… worm, 28a …… drive gear, 32 …… worm wheel, 37 …… main stand shaft, 40 …… main Stand, 42 ... Driven gear, E ...
engine.

Claims (1)

(57) [Claims] 1. A motorcycle according to claim 1, wherein the power source and the main stand are connected via a power transmission unit, and the power of the power source is transmitted to the main stand via the power transmission unit so that the main stand stands up. In a stand device, the stand device is a power source configured by a cell motor,
A power transmission unit composed of a power transmission mechanism using gears, a case for housing them, and a main stand rotatably attached to the case. The stand device is provided as a unit separately from the engine, and is unitized. The power transmission mechanism by a gear housed in the case includes a worm shaft driven by the cell motor, and a worm that meshes with a worm provided on the worm shaft. A wheel and a driven gear provided coaxially with the worm wheel, and a driven gear provided integrally with the shaft of the main stand, and a drive gear that meshes with the driven gear by operating a switch that raises the stand. A stand device for a motorcycle, comprising: