JPS6334077B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a parking device for a motorcycle that erects a stand by driving a motor.

Prior Art In motorcycles with large engine displacements, a light material such as aluminum is used for the stand to make it somewhat easier to raise the stand. Then, a parking brake is applied via a brake wire to one or both of the front and rear wheels that touch the ground when the stand is erected, so that the stand can be maintained in the erect state.

Problems to be Solved by the Invention However, in the above-mentioned parking brake device, the stroke of the brake wire fluctuates due to the friction of the brake shoe. It was necessary to adjust the stroke amount accordingly.

The present invention improves upon the drawbacks of the prior art, and aims to ensure that the parking brake is automatically and reliably applied in conjunction with the standing up of the stand, regardless of the amount of friction mentioned above. .

Means and Effects for Solving the Problems In order to solve the above-mentioned problems, the present invention provides an automatic system that controls the stand raising operation by motor drive and maintains at least one of the front and rear wheels in contact with the ground in the standing position of the stand. In the parking device for a two-wheeled vehicle, a means for engaging with a fixing means provided on a brake actuating member and pulling the actuating member as the stand is raised up is disposed near the stand, and the towing means includes a brake. It is equipped with a means to absorb the overstroke when pulling the operating member, and when the parking lever is tilted forward to drive the starter motor for starting and raising the stand,
The stand stands up from the collapsed state due to the power transmitted from the motor, and in conjunction with this upright movement, the pin provided on the stand operates the traction means, and the traction means engages with the fixing member provided on the brake operating member. This can be towed and, as a result, the brakes of the parking device can be applied. The traction means is provided with an absorption means that absorbs the overstroke even if the stroke of the brake wire during traction changes due to friction of the brake shoe, etc. Brake equipment can be activated.

Embodiment An embodiment of the present invention will be described below based on the drawings.

1 is a motorcycle body, and a steering pipe (not shown) is attached to a handle post 2 of the motorcycle body 1.
A front wheel 4 is pivotally supported on the lower end of a front fork 3 connected to the lower end of the steering wheel.

Further, a handlebar 5 is integrally attached to the upper end of the steering pipe, and the handlebar 5 is integrally attached to the upper end of the steering pipe.
Handle grips 6 are provided at both ends of the handlebar 5, and a headlight 7 is provided at the front center of the handlebar 5.

Further, a stand operating mechanism 8 is integrally disposed on the handlebar 5 between the headlight 7 and the right handle grip 6, and a parking lever 9 is pivotally supported on the stand operating mechanism 8 so as to be swingable back and forth. A lever grip 10 is integrally attached to the tip of the lever 9.
When the switch is swung forward, the stand raising switch built into the stand operating mechanism 8 is closed, the starter motor 13 (described later) is rotated in the opposite direction to the engine starting direction, and the lever wire 41 (described later) is rotated backward. It is becoming more and more popular. Conversely, when the lever grip 10 is swung rearward, the stand raising switch is opened, the starter motor 13 (described later) is stopped, and the lever wire 41 (described later) is tensioned forward. There is.

An engine 11 is disposed at the rear lower part of the vehicle body 1, and the rear wheel 12 is rotationally driven by the power of the engine 11.

Further, the starter motor 13 for starting the engine 11 and for raising the stand is connected to the main stand 35 via a stand raising reduction gear 15, a one-way torque transmission device 22, a drive ring arm 28, a stand link 30, and a turnbuckle 31. The cell motor 13 is the engine 11.
When the main stand 35 is rotated in the opposite direction to the starting rotation direction, the power of the motor 13 is decelerated and boosted, and the main stand 35 is driven to stand up forward about the stand bolt 34.

As shown in FIGS. 6 and 8, the stand erecting reduction gear 15 disposed on the right side of the vehicle body 1 has a primary worm 16 integrated with the rotating shaft 14 of the starter motor 13. , a primary worm gear 17 that is spline-coupled to a secondary worm shaft 18 that is pivotally supported orthogonally to the starter motor rotating shaft 14 and meshes with the primary worm 16; and a secondary worm gear 19 that is integrally formed with the secondary worm shaft 18. , a secondary worm gear 20 that meshes with the secondary worm 19, and a reduction gear casing 21.

The one-way torque transmission device 22 also includes a screw spline 23 (the screw spline 23 includes the secondary Worm gear 20
a drive side latch 24 which is fitted into the screw spline 23, and a driven ratch which is fitted integrally with the drive link shaft 27 and meshed with the drive side latch 24. 25 and a drive link shaft 27, and when the starter motor 13 rotates in the direction of raising the stand,
The drive side latch 24 moves to the driven latch 25 side and meshes with it, so that the stand raising torque of the starter motor 13 is transmitted to the drive link shaft 27.
Note that an engagement groove 26 is formed on the outer periphery of the driven ratchet 25.

Further, a drive link arm 28 is integrally fitted to the drive link shaft 27, and a stand link 30 is pivotally attached to the tip of the drive link arm 28 via a pin 29. The main stand 35 is connected by a turnbuckle 31 and a pin 32, and as shown in FIGS. 4 and 5, when the drive shaft 27 rotates clockwise or counterclockwise, the main stand 35 is lowered or raised. There is.

Furthermore, the main stand 35 is rotatably supported by a stand bolt 34 fitted to a frame stand collar 33 integral with the vehicle body 1.
It is attached with a nut 37, and the dimensions of the main stand 35 are such that it can be erected while the front and rear wheels remain on the ground.

A pole shaft 38 is rotatably pivotally mounted in the reduction gear casing 21, and a parking pawl 39 and a parking pawl arm 40, which can be releasably engaged with the engagement groove 26 of the driven ratchet, are provided with the parking pawl 39 and the parking pawl arm 40. A coil spring (not shown) is provided integrally with the pole shaft 38, has one end of a lever wire 41 tied to the tip of the parking pole arm 40, and biases the parking pole 39 to engage the engagement groove 26. ) is fitted onto the pole shaft 38.

Next, to explain the left side of the vehicle body 1 (see FIGS. 2 and 3), the tip of the rear brake wire 42, which is a brake operating member, is connected to the rear brake lever 43, but it is fixed in the middle. A middle inner 44, which is a member, is fitted integrally.

Further, a holder link pin 45 is protruded from the left side of the main stand 35, and a spring holder link 46 is provided with a long guide hole 47 that can be engaged with the holder link pin 45.
The spring holder link 46 includes a spring receiver 4.
8 is formed (see Figure 9).

Further, a stand brake arm 50 is pivotably supported coaxially with the pin 49, and a spring receiver 51 is also formed on the stand brake arm 50 (see FIG. 10), and the spring receiver 48 of the spring holder link 46 and A brake coil spring 52, which is a member that absorbs an overstroke when pulling an operating member (described later), is interposed in the spring receiver 51 of the stand brake arm 50, and also applies a preset force to the spring 52 and maintains a constant interval. A preset bolt 53 is interposed therebetween, and when the main stand 35 is erected as shown in FIG.
Middle inner 44 is stand brake arm 5
0. A series of structures consisting of a spring holder link 46 that engages with this holder link pin 49 through a guide hole 47, and a stand brake arm 50 that is connected to this via a brake coil spring 52 pulls the brake operating member. It constitutes a traction means.

On the right side of the vehicle body, a starter motor stop switch stay 54 is provided integrally with the drive link arm 28, and when the main stand 35 is erected, the stay 54 comes into contact with the starter motor stop switch 55, and the switch 55 is now operational.

Note that 56 is a wire holder for the rear brake wire 42.

Since the illustrated embodiment is configured as described above, in order to raise the main stand 35 when the main stand 35 is tilted backward, the parking lever 9 must be tilted forward. , the stand raising switch (not shown) is closed, the starter motor 13 is rotated in the opposite direction to the engine starting direction, and the wire 41 is rotated in the opposite direction to the engine starting direction.
is pushed out backwards.

When the starter motor 13 rotates in the opposite direction, the secondary worm gear 20 of the stand erection reduction gear 15
is rotated while being decelerated, the drive side latch 24 approaches and engages the driven latch 25, and the drive link shaft 27 is thus rotationally driven in the counterclockwise direction in FIG.

This rotation of the drive link shaft 27 causes the drive link arm 28 to swing in the same direction.
Main stand 35 via pin 29, stand link 30, turnbuckle 31 and pin 32
is erected vertically around the stand bolt 34, and the starter motor is stopped and the switch stay 54
contacts the movable piece of the starter motor stop switch 55, the switch 55 is operated, and the starter motor 1
3 is reversely rotated for several seconds (in the engine starting rotation direction) by a control circuit (not shown), the meshing between both ratchets 24 and 25 of the one-way torque transmission device 22 is released, and the starter motor 13 is stopped.

In this way, when the main stand 35 is upright, the lever ear 41 is extended rearward, so the parking pole arm 40 and the parking pole 39 are moved by the spring force of the coil spring (not shown) as shown in FIGS. 4 and 5. , in the clockwise direction in FIG. 8, and the parking pawl 39 is engaged with the engagement groove 26 of the driven latch 25.
Even if the lock 2 is released, the main stand 35 will not fall backward.

Also, when the main stand 35 stands up, the third
As shown in the figure, holder link pin 45
The spring holder link 46 is also rotated clockwise together with the stand 35, and in conjunction with this, the spring holder link 46 is swung clockwise around the pin 49, and the stand brake arm 50 is also swung in the same direction. and is engaged with the middle inner 44. Therefore, the rear brake wire 42
Even if the tip of the stand brake arm 50 is not pulled forward, the stand brake arm 50 engages with the middle inner 44 and the middle inner 44 is pulled forward, causing the rear brake lever 43 to swing and apply the parking brake to the rear wheel 12. is applied.

Even if the position of the middle inner 44 is located behind the normal position, the position error is absorbed by the compressive deformation of the brake coil spring 52, which is the absorption means, and the parking brake is applied when the main stand 35 is erected. is applied reliably.

The stroke of the rear brake wire 42, which is linked to the raising operation of the main stand 35, is set so that even if the brake shoe is worn out, the parking brake can be sufficiently applied. If you do this, even if play increases due to brake shoe wear, the parking brake will be applied and you will be able to park the vehicle in a stable condition.

Furthermore, even if the main stand 35 is being raised, the weight of the vehicle is large, or the starter motor 13 is
Even if the main stand 35 stops due to insufficient charge in the battery (not shown) required for power supply, both ratchets 24 and 25 of the one-way torque transmission device 22 are engaged, and the main stand 35 remains horizontal. Since the vehicle is stopped without returning to its original position, it is possible to remove the items mounted on the vehicle body or use the starter motor 13.
restart the main stand 3 or manually
5 can be stood up.

Further, when the main stand 35 is in the upright position, the latches 24 and 25 of the one-way torque transmission device 22 are disengaged by a certain degree of reverse rotation of the starter motor 13, so the parking pole arm 4
By swinging the parking ball 39 forward, the parking ball 39 is moved into the engagement groove 26 of the driven ratchet 25.
It can be removed further, and the main stand 35 can be tilted backwards to drive.

Effects of the Invention As described above, the brake traction means of the present invention engages with the fixing means provided on the brake actuating member and pulls the actuating member in conjunction with the upright operation of the stand, so that the brake of the parking device is moved to the stand. At this time, the traction means is equipped with a means to absorb the overstroke of the brake operating member caused by wear of the brake shoe, so even if the brake shoe is Even if play increases due to wear, the parking brake is applied without adjusting the stroke amount, and the vehicle body is firmly fixed, allowing for stable parking.

[Brief explanation of the drawing]

FIG. 1 is a side view of a motorcycle equipped with an embodiment of the motorcycle parking device according to the present invention, FIG. The figure is a left side view of the main part with the stand upright, Figure 4 is a right side view of the main part with the stand collapsed, and Figure 5 is a right side view of the main part with the stand upright. Figure 6 is a longitudinal sectional plan view of the same, Figure 7 is a side view of Figure 5 with some parts missing, Figure 8 is a cross-sectional view taken further inside than Figure 7, and Figures 9 and 10 are Figures 2 and 3
FIG. 2 is an exploded explanatory diagram of the main parts in the figure. 1...Vehicle body, 2...Handle post, 3...Front fork, 4...Front wheel, 5...
...Handlebar, 6...Handle grip, 7...
...Headlight, 8...Stand operation mechanism, 9...
...Parking lever, 10...Lever grip,
11...Engine, 12...Rear wheel, 13
...Start and stand erecting starter motor, 14...
...Cell motor rotation axis, 15... Stand erecting reduction gear, 16... Primary worm, 17...
...Primary worm gear, 18...Secondary worm shaft, 19...Secondary worm, 20...Secondary worm gear, 21...
Reduction device, 22... One-way torque transmission device, 23
...screw spline, 24...drive side ratchet, 25...driven ratchet,
26... Engagement groove, 27... Drive link shaft, 28... Drive link arm, 29... Pin, 30... Stand link, 31... Turnbuckle, 32... Pin, 33... Frame stand collar, 34 ...Stand bolt, 35...Main stand, 36...Stand roller, 37...
... Nut, 38 ... Pole shaft, 39 ... Parking pole, 40 ... Parking pole arm, 41 ... Lever wire, 42 ... Rear brake wire, 43 ... Rear brake lever, 44 ...
...Middle inner, 45...Holder link pin, 46...Spring holder link, 47...
...Guide hole, 48...Spring receiver, 49
...Pin, 50 ...Stand brake arm, 5
1... Spring receiver, 52... Brake coil spring, 53... Preset bolt, 54...
...Cell motor stop switch stay, 55...Cell motor stop switch, 56...Wire holder.

Claims (1)

[Claims] 1. In a motorcycle parking device that controls stand raising operation by motor drive and maintains at least one of the front and rear wheels in contact with the ground when the stand is in the upright position, a fixing device provided on the brake actuating member in conjunction with the stand raising operation. Means for engaging with the brake actuating member to pull the actuating member is disposed near the stand, and the towing means is provided with means for absorbing an overstroke when pulling the brake actuating member. A parking device for motorcycles.