JPH0485185A - Seat height control device for scooter type vehicle - Google Patents

Abstract

PURPOSE:To adjust a seat height with a simple device and thereby improve the property of a rider's foothold by setting up a seat in a seat receiver of a rear body slidably in the longitudinal direction of a vehicle, while constituting the seat receiver to be tilted downward aslant in front of the vehicle. CONSTITUTION:A seat 5 is set up in a seat receiver 11 of a rear body 7 slidably in the longitudinal direction (arrow A direction) of a vehicle via a slide device. In addition, the seat receiver 11 is formed as tilted (inclination theta) downward aslant in front of the vehicle, and the slide device is set up on this seat receiver 11. When the seat 5 is operated and slidden in the longitudinal direction of the vehicle, the seat 5 is varied to the position of seat height HS from HO, by way of example, so that a rider is able to select a seat height optimal to his own physique and stature, thus the property of a rider's foothold is improvable.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a seat height adjustment device for a scooter type vehicle that adjusts the seat height of a scooter type vehicle.

(Prior Art) In conventional scooter-type vehicles, the seat height is adjusted by changing the length of the reaction unit to achieve a seat height that suits the rider's height and physique.

(Problems to be Solved by the Invention) However, the adjustment of the seat height as described above is very complicated, and the adjustment itself cannot be said to be sufficient.

Another possibility is to add a seat height adjustment mechanism to the scooter, but this mechanism would be too large.
This will lead to an increase in costs.

This invention was made in consideration of the above circumstances,
It is an object of the present invention to provide a seat height adjustment device for a scooter type vehicle that can adjust the seat height with a simple mechanism and improve rider retention.

[Structure of the invention]

(Means for Solving the Problems) The present invention provides a scooter type vehicle in which a step boat portion is formed by curving between a handle and a seat, in which the seat is attached to a seat receiving portion of a rear body via a sliding mechanism. The seat receiving portion is installed so as to be slidable in the front-rear direction, and the seat receiving portion is configured to be inclined diagonally downward in the front of the vehicle.

(Function) Therefore, in the seat height adjustment device for a scooter type vehicle according to the present invention, the seat receiving portion is inclined diagonally downward in front of the vehicle.
Since the seat is provided so as to be slidable in the longitudinal direction of the vehicle via the slide mechanism installed in the seat receiving portion, the seat height can be changed by sliding the seat. Since the seat height can be adjusted in this manner, the seat height can be adapted to the height and physique of the rider, and the stability of the rider can be improved.

(Example) Embodiments of the present invention will be described below based on the drawings.

FIG. 1 is a side view showing a scooter to which an embodiment of the seat height adjustment device for a scooter type vehicle according to the present invention is applied.

The scooter-type two-wheeled motor vehicle is supported by a front wheel 1 that is steered by a handlebar 3 and a rear wheel 2 that is driven by a unit swing type engine 4, and is configured such that the space between the handlebar 3 and the seat 9 is deeply curved. Ru. A step boat 6 is installed in this deeply curved portion. Furthermore, the seat 5 is placed on a rear body 7 that is formed to have a relatively large volume.

The unit swing type engine 4 is arranged below the rear body 7.

The unit in-type engine 4 is integral with the rear wheel 2 and is swingably supported on the vehicle body frame 9 via a support arm 8 . Furthermore, the unit swing type engine 4 is buffer-suspended to the rear body 7 by a reaction unit 10.

The seat 5 is installed in the seat receiving portion 11 of the rear body 7 so as to be slidable in the longitudinal direction of the vehicle (in the direction of the arrow in FIG. 1) via a slide mechanism 12 shown in FIGS. 2 and 3. . Further, the seat receiver section 11 is formed to be inclined obliquely downward toward the front of the vehicle (inclination angle .theta. in FIG. 1), and the slide mechanism 12 is installed on the seat receiver section 11. Here, the seat 5 is constructed by placing a seat cushion material 14 on a seat bottom plate 13 and covering a part of the seat bottom plate 13 and the seat cushion material 14 with a seat cover 15, as shown in FIG. Ru.

As shown in FIGS. 2 and 3, the slide mechanism 12 is constructed by combining a right slide mechanism 16 and a left slide mechanism 17, which have substantially the same structure. The right slide mechanism 16 and the left slide mechanism 17 are connected to a seat side rail 18 extending in the longitudinal direction of the vehicle.
and a body side rail 19.

The seat side rail 18 has a U-shaped cross section, and is fixed to the seat bottom plate 13 of the seat 5 with bolts 20 and nuts 21 with the opening facing downward of the vehicle. The body side rail 19 has a U-shaped cross section with guide portions 13 formed on both sides, and is housed in the seat side rail 18 with the opening facing upward of the vehicle, and is fastened to the rear body by bolts 20 and nuts 21. It is fixed to the seat receiving part 11 of 7. In this state, the seat side rail 18 is guided by the guide portion 23 of the body side rail 19, and the seat side rail 18 is guided by the guide portion 23 of the body side rail 19.
It is configured so that it can be slid against.

Further, a lock mechanism 24 is installed in each of these right slide mechanisms 16 and left slide mechanisms 17. This lock mechanism 24 includes a lock gear plate 25, a lock rod 26, a lock spring 27, and the like. The lock gear plate 25 is connected to the body side rail 19
A plurality of lock gears 28 are formed extending in the longitudinal direction and fixed to the body side rail 19 . These lock gears 28 are provided at predetermined intervals in the longitudinal direction of the lock gear plate 25.

The lock rod 26 is attached to the side surface of the seat side rail 18 via a support plate 29 so as to be rotatable around an axis. A lock piece 30 is fixed to this lock rod 26, and this lock piece 30 is configured to be engageable with each of the lock gears 28.

Further, the lock spring 27 is installed at one end of the lock rod 26. One end of this lock spring 27 is fixed to the lock rod 26, and the other end is fixed to the support plate 29.
Fixed. Due to the biasing force of the lock spring 27, the lock rod 26 is biased to rotate in the direction of arrow B.
The lock piece 30 is engaged with the appropriate lock gear 28, and the seat side rail 18 of the slide mechanism 12 is engaged with the body side rail 1.
9 to be locked in place.

Further, one end portion of the lock rod 26 is formed to have a smaller diameter than other portions. Both ends of the connecting wire 31 are wound around the narrow diameter portions of the lock rods 26 in the right slide mechanism 16 and the left slide mechanism 17, respectively.

On the other hand, the lock rod 2 in the light slide mechanism 16
A reset par 32 is provided protruding from the narrow diameter portion of the reset par 32, and a reset wire 33 is fixed to the tip of the reset par 32. This reset wire 33 is connected to the lock gear plate 25
It is guided by a wire guide 34 installed in the vehicle and is suspended downward from the vehicle.

The other end of the reset wire 33 guided by the wire guide 34 is connected to a pedal 35 disposed at the front of the step boat 6, as shown in FIGS. 1 and 4. By depressing this pedal 35 in the direction of arrow J, the reset wire 33 is pulled in the direction of arrow C. As a result, the lock rod 26 of the light slide mechanism 16 rotates in the direction of the arrow (FIG. 3), the lock piece 30 rotates in the direction of the arrow E, and the engagement between the lock gear 28 and the lock piece 30 is released. , the lock mechanism 24 of the light slide mechanism 16 is unlocked. At the same time as the lock rod 26 of the right slide mechanism 16 rotates in the direction of the arrow mark, the connecting wire 31 is pulled in the direction of the arrow F, the lock rod 26 of the left slide mechanism 17 rotates in the direction of the arrow G, and the lock piece 30 rotates in the H direction, and this lock piece 3
0 and the lock gear 28 is released, and the lock mechanism 24 of the left slide mechanism 17 is unlocked.

Next, the effects will be explained.

The rider depresses the pedal 35 when he wants to adjust the seat height. Then, the reset wire 33 is pulled in the direction of arrow C, and the engagement between the lock piece 30 and the lock gear 28 is released (unlocked).

In this state, the rider operates the seat 5 to slide the seat side rails 18 of the right slide mechanism 16 and the left slide mechanism 17 relative to the body side rails 19 in the longitudinal direction of the vehicle. At this time, the rear body 7 where the right slide mechanism 16 and the left slide mechanism 17 are installed
Since the seat receiving portion 11 is inclined at an inclination angle θ, the seat 5 is moved to a height Ho, for example, by sliding the seat 5.
The seat height changes from to the seat height H position. By adjusting the seat height in this manner, the rider can select the seat height that is most suitable for his/her physique and height, and the rider's stability can be improved.

In addition, the adjustment of the seat height is performed by tilting the seat receiving portion 11 of the rear body 7, and attaching the right slide mechanism 16 and the left thrust mechanism 17 (slide mechanism 1) to the seat receiving portion 11.
2), the structure of the slide mechanism 12 is simple and the cost does not increase.

Furthermore, by changing the design of the inclination angle θ of the seat receiving portion 11 in various ways, the adjustment range of the seat height can be set widely.

In the above embodiment, the locking mechanism 24 is unlocked by depressing the pedal 35, but as shown in FIG. 5, the reset wire 33 is connected to the main switch 36, key hole 3
Insert a key (not shown) into 7 and press this key to 5EAT.
The locking mechanism 24 may be unlocked by pulling the pedal 35 in the direction of arrow C when the pedal is in the ADJUST position.

In this case, since adjustment of the seat height can be suppressed when the engine is operating with the key in the ON position of the main switch 36, safety while the vehicle is running can be ensured.

Also, connect the reset wire 3 to the main switch 36 in FIG.
3, this reset wire 33 is connected to a pedal 35 as shown in FIG.
The main switch 36 may be electrically connected to an electromagnetic plunger (not shown) that regulates the operation of the main switch 36 .

In other words, the key inserted into the main switch 36 is 5E.
The electromagnetic plunger is retracted only when it is in the AT AD-JUST position, and the pedal 35 can be depressed.
Further, when the key is in a position other than the 5EAT ADJUST position, the electromagnetic plunger is pushed out to restrict depression of the pedal 35. In this case as well, since the seat height cannot be adjusted while the engine is running, safety can be ensured when the vehicle is running.

Alternatively, as shown in FIG. 6, the reset lever 38 may be attached to the reset par 32 of the light slide mechanism 16 shown in FIG. 3 so as to be able to protrude outward, without using the reset wire 33. .

In this case, push the reset lever 38 in its protruding state downwards on the vehicle (in the direction of the arrow in FIG. 6), rotate the lock rod 26 of the light slide mechanism 16 directly in the direction of the arrow (in FIG. 3), and then Unlock 24.

Furthermore, the height of the handlebar 3 may be adjustable together with the right slide mechanism 16 and the left slide mechanism 17 in which the lock mechanism 24 is installed, to ensure an optimal riding position.

〔Effect of the invention〕

As described above, according to the seat height adjustment device for a scooter type vehicle according to the present invention, the seat is installed in the seat receiving portion of the rear body so as to be slidable in the longitudinal direction of the vehicle via the sliding mechanism, and Since the seat section is configured to be inclined diagonally downward in the front of the vehicle, the seat height can be adjusted with a simple mechanism that slides the seat in the front-rear direction of the vehicle, and rider stability can be improved.

[Brief explanation of the drawing]

FIG. 1 is a side view showing a scooter to which an embodiment of the seat height adjustment device for a scooter type vehicle according to the present invention is applied, FIG. 2 is a sectional view taken along line nn in FIG. 1, and FIG. is a perspective view of the slide mechanism shown in FIG. 2, FIG. 4 is a side view showing the lock release mechanism shown in the lock mechanism of FIGS. 2 and 3,
5 and 6 are diagrams showing other embodiments of the lock release mechanism of FIG. 4. 5... Seat, 7... Rear body, 11... Seat receiver, 12... Slide mechanism, 16... Right slide mechanism, 17... Left slide mechanism, 18...
・Seat side rail, 19...Body side rail, 24・
...Lock mechanism, 26...Lock rod, 27...
Lock spring, 28...Lock gear, 30...
Lock piece, 33...Reset wire, 35...Pedal. $4th session $5th time Applicant's agent Hisashi Hatano $60

Claims (1)

[Claims] In a scooter type vehicle in which a step boat portion is formed by curving between the handle and the seat, the seat is installed in a seat receiving portion of the rear body so as to be slidable in the longitudinal direction of the vehicle via a slide mechanism, and 1. A seat height adjustment device for a scooter type vehicle, wherein the seat receiving portion is configured to be inclined obliquely downward in front of the vehicle.