JPH06179383A - Seat device for motor scooter type motorcycle - Google Patents

Abstract

PURPOSE:To provide a seat device which can sufficiently hold driver's buttocks when he takes a seat, and can provide a driver with an optimum seating position while his buttocks are being held at all times regardless of driver's constitution. CONSTITUTION:In a motor scooter type motorcycle equipped with low level foot rests between a handle 7 and a seat, the seat device of the motor scooter type motorcycle is made up of a seating section 26 on which a driver takes a seat, and of a hold section 27 which is provided behind the seating section 26 in such a way that driver's buttocks are held while it is erected upward integrally with the seating section 26, and concurrently the seat device is so constituted that it can be freely moved in the lengthwise direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat device for a scooter type motorcycle, and more particularly to a seat device improved so as to maintain an optimum posture of an occupant when sitting.

[0002]

2. Description of the Related Art Conventionally, for passengers sitting on a motorcycle,
In order to provide an optimal seat position according to the physique and improve riding comfort, a gate-shaped recess is formed at the front end of the rear seat of the seat device including the front seat and the rear seat. There is a seat device in which the front seat is a backrest and the rear seat is movable back and forth (see Japanese Patent Laid-Open No. 59-26377).

[0003]

The seat device of the type described above is applied to a motorcycle such as a road sports type in which a front seat is continuously provided from a fuel tank, and an occupant rides in a forward leaning posture, Since the seat position can be almost determined when the fuel tank is sandwiched by both knees, the seat back portion of the seat device regulates the seat position of the occupant from the rear side. However, in this device, the front seat on which the occupant sits and its backrest part are completely separate, and the backrest part is movable back and forth.Therefore, some backlash is avoided. The appearance is not good either. Also,
Since the seat device of the type described above moves the backrest part back and forth, the seat shape of the front seat on which the occupant sits becomes narrower or wider due to adjustment, and the seating space changes, so there is room for consideration. It is left.
On the other hand, even in a so-called scooter type motorcycle in which a footrest space is formed between the seat and the handle, there is a demand for making the seat movable back and forth. Therefore,
It is an object of the present invention to solve the above problems of the conventional seat device and to provide a seat device applicable to a scooter type motorcycle.

[0004]

In order to achieve the above object, a seat device for a scooter type motorcycle according to the present invention is a scooter type motorcycle having a low floor footrest between a handle and a seat. In the above, the seat is configured by a seating portion on which the occupant is seated and a holding portion provided on the rear side of the seating portion so as to stand up integrally with the seating portion so as to hold the buttocks of the occupant, The seat is movable in the front-rear direction.

[0005]

In the scooter type motorcycle seat device of the present invention configured as described above, the occupant can firmly hold the buttocks by the holding part integrally formed with the seating part when the seat is seated and the physique is Since the seat can be moved back and forth and adjusted according to, the optimum seat position according to the physique can be obtained.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a scooter type motorcycle seat device (hereinafter simply referred to as a seat device) of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a schematic side view of a scooter type motorcycle adopting a seat device of the present invention, FIG. 2 is a schematic top view of a movable part of the seat device in a state where a seat part is not mounted, and FIG. 3 is a movable part of FIG. 2 is a sectional view taken along the line AA when the seat portion is attached to the movable portion, and FIG. 4 is a sectional view taken along the line BB when the seat portion is attached to the movable portion shown in FIG.

In the figure, reference numeral 1 denotes a scooter type motorcycle, which has a swing unit connected to a pair of main frames 2 whose front end is connected to an under bracket (not shown) for fixing a steering shaft (not shown). The engine 3 is pivotally stopped and the rear wheels 4 are driven by the engine 3. The front wheel 5 is axially fixed by a pair of front forks 6 connected to the under bracket, and a handle rod (not shown) connected to the under bracket (not shown).
It is configured to be operated by the handle 7 via the. Although not shown, a storage space for storing a helmet or the like is provided below the handle 7. The pair of main frames 2 are bent as shown in FIG. 1 to form a front side inclined portion 2a, a lower side parallel portion 2b, a rear side inclined portion 2c and an upper side parallel portion 2d, and the rear side of the upper side parallel portion 2d. A plurality of cross pipes 2e are bridged at appropriate positions such as. A tail pipe 2f bent in a U shape is connected to the rear end of the main frame 2 so as to connect the pair of main frames 2, and the shock absorber is located at substantially the same position as the connecting position of the tail pipes 2f. 8 is retained.

The upper parallel portion 2d of the main frame 2 is provided with a seat rail 9 which is bent in a U shape and extends straight forward from the parallel portion 2d. A character-shaped plate-shaped support member 10 is bridged.
Between the plate-shaped support member 10 and the pair of receiving side brackets 11 and 11 provided on the cross pipe 2e which is hung around the rear side of the upper parallel portion 2d, a pair of left and right parts forming a part of the movable portion 12 is provided. The guide pipe 13 is fixed via an L-shaped bracket 14. The movable portion 12 slidably fits the slide pipes 15 to the guide pipes 13 and reinforces the seat portion 22 and the bracket 16 for mounting the seat portion 22 spreading outward on the slide pipes 15. As described above, the reinforcing pipes 17 rising rearward along the shape of the seat portion 22 are fixed to each other, and a reinforcing plate 18 is bridged between the sliding pipes 15. . A bracket is provided at the lower end of the plate-like support member 10 substantially in the center
One end of the piston 20 is fixed via 19. The piston 20 is composed of an outer tube 20a fixed to the bracket 19 and an inner tube 20b which is elastically fitted to the outer tube 20a, and when the piston 20 is expanded and contracted to a desired position by a stopper mechanism (not shown). It is configured so that it can be fixed in position. The other end of the piston 20, that is, the inner tube 20b
The end part of is connected to the reinforcing plate 18 provided between the sliding pipes 15 via the bracket 21, so that the movable part 12 can be fixed at a desired position. The stopper mechanism described above is preferably one that can slide the movable part 12 steplessly, and the adjustment can be performed while the occupant is seated.
It is preferable that an adjustment lever is provided on the side surface of the and the remote control is performed by the lever.

The bottom plate 23 of the seat portion 22 is fixed to the seat portion mounting bracket 16 of the movable portion 12 configured as described above. The seat portion 22 is configured by providing a cushion material 24 made of urethane or the like on the upper surface of the bottom plate 23 in accordance with the shape of the bottom plate 23, and stretching a skin 25 so as to cover the cushion material 24 and the side edges of the bottom plate 23. Has been done. Further, the seat portion 22 has a seating portion 26 configured such that the center thereof slightly projects so that both legs of an occupant can be placed, respectively, and becomes flat toward the rear, and the seating portion 26.
It is composed of a holding portion 27 that integrally rises obliquely upward from the rear side of the seating portion 26 so as to cover the rear side portion thereof, and the rear end portion of the holding portion 27 is fixed to the sliding tube 15. Reinforced pipe 17
Are reinforced by. A leg portion (no reference numeral) of a backrest portion 28 penetrating the bottom plate 23 of the seat portion 22 and the outer skin 25 is fixed to the upper end of the reinforcing pipe 17 described above, and the backrest portion 28
Is rotated by a ratchet mechanism (not shown) within a certain range as shown by a broken line in the drawing.

As described above, the seat device is constructed by fixing the seat portion 22 to the movable portion 12 held by the main frame 2 and the seat rail 9. The operation of the seat device will be described below. The occupant appropriately sits on the seat 22 behind the seat 26 so that the buttocks are held by the holder 27,
After that, the seat device is slid and adjusted to a position such that the limbs can reach the handle 7 and the step (no reference numeral) according to one's own physical constitution. FIG. 1 shows a state in which an occupant (no reference numeral) is in the vehicle and the seat portion 22 is at the frontmost position. As shown in the drawing, the seat portion 22 is slightly in the footrest space 29 located behind the handle 7. It's jumping out. As described above, when the seat device is adjusted so that the seat portion 22 comes to the frontmost position, the seat device projects into the footrest space 29 to narrow the space 29.
When the 22 is adjusted so as to come to the front, since the occupant is also a relatively small person, the occupant's substantial footrest space is not narrowed. By opening a stopper mechanism (not shown), the seat device can be easily moved back and forth by the movable portion 12 that can slide back and forth while expanding and contracting the piston 20. When the seat device is moved to an appropriate position, the movable portion 12, that is, the seat portion 22 fixed to the movable portion 12, can be fixed at that position by fixing the piston 20 at that position by the stopper mechanism (not shown) described above. it can.

The present embodiment merely shows a preferred embodiment of the seat device of the present invention, and the present invention is not limited to this, and the lumbar region of the occupant can be sufficiently held when seated. As long as the seat portion can be moved back and forth, for example, the backrest portion 27 of the seat portion 24 may be made high enough to support the entire back of the occupant, and the shape of the seat portion 26 can be changed. It may be flat. In addition, the movable part 12
The configuration of is not limited to this embodiment, and may be any configuration as long as it is capable of holding the seat portion 22 and moving the seat portion 22 back and forth as needed, for example, the guide pipe 13 that is a movable portion and the sliding portion. The moving tube 15 may be formed of a plate member instead of the tube. Further, the configuration of the seat portion 22 is not limited to the present embodiment, and it is sufficient if the seat portion 22 is integrally configured so that the waist portion thereof can be sufficiently held when the occupant is seated.
For example, the pedestal portion 26, the backrest portion 27, and the holding portion 28 may be separately configured, and they may be integrally combined and configured. Further, in the seat device of the present embodiment, the holding portion 27 covers the rear side of the seating portion 28 and rises from the rear side of the seating portion 28, specifically from the rear side to the rear end of the seating portion 28. The shape of 27 is not limited to this embodiment, and may be any shape as long as it can hold the buttocks of the occupant, for example, a shape that rises upward only from the rear end of the seat 28 may be used. Of course.

In the seat apparatus of this embodiment, since the seat portion 22 is provided with the rotatable backrest portion 28, it is possible to support the occupant's back according to the occupant's body shape when seated.

[0013]

According to the seat device for a scooter type motorcycle of the present invention, the seat is composed of a seat portion and a holding portion,
In addition, the seating portion and the holding portion are integrated,
Since it is configured to be able to move back and forth, the occupant's buttocks can be held at all times when seated, and it is possible to provide the occupant with an optimal seat position according to his / her physique without reducing the sitting space. Play.

[Brief description of drawings]

FIG. 1 is a schematic side view of a scooter type motorcycle adopting a seat device of the present invention.

FIG. 2 is a top view schematically showing a movable part of the seat device of the present invention in a state where the seat part is not mounted.

FIG. 3 is a cross-sectional view taken along the line AA when the seat portion is attached to the movable portion in FIG.

FIG. 4 is a cross-sectional view taken along the line BB when the seat portion is attached to the movable portion in FIG.

[Explanation of symbols] 1 Motorcycle 2 Main frame 2a Front inclined part 2b Lower parallel part 2c Rear inclined part 2d Upper parallel part 2e Cross pipe 2f Tail pipe 3 Swing unit type engine 4 Rear wheel 5 Front wheel 6 Front fork 7 Handle 8 Shock absorber 9 Seat rail 10 Plate-shaped support member 11 Receiving side bracket 12 Moving part 13 Guide pipe 14 Bracket 15 Sliding pipe 16 Seat mounting bracket 17 Reinforcement pipe 18 Reinforcement plate 19 Bracket 20 Piston 20a Outer pipe 20b Inner pipe 21 Bracket 22 Seat part 23 Bottom plate 24 Cushion material 25 Skin 26 Seating part 27 Holding part 28 Backrest part 29 Foot space

Claims (1)

[Claims] 1. A scooter-type motorcycle having a low-floor footrest between a handle and a seat so that the seat holds a seat for seating an occupant and a passenger's buttocks behind the seat. A seat device for a scooter type motorcycle, comprising a seating part and a holding part provided so as to stand upright integrally with the seating part, and the seat is movable in the front-rear direction.