JP4522923B2 - Low floor vehicle - Google Patents

Description

  The present invention relates to a low-floor type vehicle such as a scooter, and more particularly to a low-floor type vehicle having a space for storing luggage under a seat on which a passenger is seated.

As this type of low-floor type vehicle, a vehicle has been devised in which a space for storing a long object such as a skateboard or a fishing rod is provided below a seat on which a driver is seated (see, for example, Patent Document 1). .
This low-floor type vehicle has a footrest floor on which a driver's feet are placed on a vehicle body main frame arranged along the longitudinal direction of the vehicle, and an under-seat floor that is continuous from the rear portion of the footrest floor to the vehicle rear side. And are supported. The four legs of the seat frame that supports the seat are coupled to the rear side position of the footrest floor of the main body frame. Each leg portion of the seat frame rises almost straight upward from the joint portion with the vehicle body main frame, and the floor under the seat is arranged between the two leg portions on the left side of the vehicle body and the two leg portions on the right side. ing.
In the case of this low floor type vehicle, even a long object that is exposed without being covered by a cover or the like and protrudes from the front and rear of the seat frame can be placed on the floor under the seat.
JP 2002-284064 A

  However, in this conventional low-floor type vehicle, the four legs of the seat frame rise upward almost straight from the joint with the vehicle body main frame, and the floor under the seat is between the left and right legs of the seat frame. Therefore, the width of the luggage that can be placed under the seat is limited to the width between the left and right legs of the vehicle body main frame.

  Therefore, the present invention is intended to provide a low-floor type vehicle that can further increase the convenience by further increasing the width of the luggage that can be placed under the seat.

In order to achieve the above object, the invention described in claim 1 is a vehicle body provided with a pair of left and right side pipes (for example, side pipes 7A and 7B in the embodiments described later) arranged along the front-rear direction of the vehicle. A main frame (for example, a head pipe 3, a down pipe 5 and a frame unit 6 in an embodiment described later), a seat on which an occupant sits (for example, a seat 26 in an embodiment described later), and the vehicle body main frame are supported. A lower seat floor (for example, a lower seat floor 10 in an embodiment described later) disposed below the seat via a space (for example, an accommodating space 39 in the embodiment described later) for accommodating a luggage, A seat frame coupled between the side pipes and supporting the seat on the upper side of the floor under the seat (for example, an embodiment described later) In the low floor type vehicle equipped with a seat frame 27, 28, 29) in the state, the seat frame, is curved so as to bulge outward only one side in the vehicle width direction with respect to the side pipes pieces The seat is configured to have a rider seat for a driver (for example, a rider seat 26A in an embodiment described later) and a pillion seat (for example, a pillion seat 26B in an embodiment described later), and the seat A plurality of frames are provided at intervals in the longitudinal direction of the vehicle body, and the rider seat is supported by the front seat frame of the plurality of seat frames, and the pillion seat is supported by the rear seat frame.
In the case of this invention, since the seat frame is curved so as to bulge outward in the vehicle width direction with respect to the side pipe , the width of the luggage storage portion on the floor under the seat is expanded outward in the vehicle width direction than the side pipe. Will come to be.
Further, in this case, since the seat frame is disposed only on one side in the vehicle width direction, the side without the seat frame is not limited by the width of the luggage storage portion by the seat frame.

The invention according to claim 2 is the invention according to claim 1, wherein the seat frame has a lower side (for example, lower sides 27 a, 28 a, and 29 a in an embodiment described later) and an upper side (for example, in an embodiment described later), respectively. The upper sides 27 c , 28 c , 29 c ) are curved in a U shape so that they face each other, and the lower side is connected to the pair of left and right side pipes.

Further, the invention according to claim 3, wherein the front of the seat frame is composed of a seat frame of the foremost, an intermediate seat frame provided with a gap to the rear of the seat frame of the foremost, the foremost The upper side of the seat frame and the upper side of the intermediate seat frame are directly coupled.

The invention according to claim 4 is the low-floor type vehicle according to any one of claims 1 to 3 , wherein the rider seat and the pillion seat are configured separately, and the underside of the rider seat and the pillion seat. A seat rail (for example, a seat rail 33 in an embodiment described later) that extends in the longitudinal direction of the vehicle body so as to straddle the seat and supports these seats is provided, and the seat rails are supported by the plurality of seat frames.

  According to a fifth aspect of the present invention, in the fourth aspect of the present invention, a grab rail (for example, a grab rail 36 in an embodiment described later) gripped by a passenger during vehicle operation is integrated with the seat rail. did.

According to the first aspect of the present invention, the seat frame is curved so as to bulge outward in the vehicle width direction with respect to the vehicle body main frame, whereby the width of the luggage storage portion on the floor under the seat is increased in the vehicle width direction outside. Therefore, a wider baggage can be placed under the seat with a margin, and further convenience can be improved.

According to the first aspect of the present invention, since one side in the vehicle width direction is not restricted in the width direction by the seat frame, a wider baggage can be stored on the floor under the seat.

Further, according to the invention described in claim 1, Te low floor type vehicle odor having a rider's seat and pillion seat, it is possible to support the vehicle body main frame reliably through the respective seat frame both sheet .

  According to the invention described in claim 4, even in a low floor type vehicle in which the rider seat and the pillion seat are independent, both seats are supported relative to each other via the seat rails, so that both seats can be displaced relative to each other. This makes it possible to reliably support the vehicle body main frame while suppressing the above.

  According to the fifth aspect of the present invention, since the grab rail is integrated with the seat rail, the relative displacement between the pillion seat and the grab rail is more generated when the passenger sitting on the pillion seat grips the grab rail. It becomes difficult, and the holdability of the passenger by the grab rail is further increased.

An embodiment of the present invention will be described below with reference to FIGS.
In the following description, the front side refers to the forward direction of the vehicle, and the right side and the left side refer to the right side and the left side in the direction in which the vehicle advances.

1 and 2 are a perspective view and a side view showing an overall configuration of a low floor vehicle according to the present invention, and FIGS. 3 and 4 are perspective views showing a configuration of a skeleton part of the low floor vehicle. is there.
In this low floor type vehicle, a handle 1 shown in FIGS. 1 and 2 is connected to a steering stem 2, and an intermediate portion of the steering stem 2 is rotatably supported by a head pipe 3 shown in FIGS. ing. A front fork 4 is coupled to the lower end of the steering stem 2, and a front wheel WF (see FIGS. 1 and 2) is supported on the front fork 4.

  The head pipe 3 is connected to a down pipe 5 extending downward at the rear, and a ladder-type frame unit 6 is connected to the lower end of the down pipe 5. The frame unit 6 has a pair of side pipes 7A and 7B whose front end and rear end are joined to each other as a main frame, and the side pipes 7A and 7B are connected by a plurality of cross pipes 8a to 8d. . The side pipes 7A and 7B extend substantially horizontally from the joint with the down pipe 5 toward the rear of the vehicle body, and are bent obliquely upward from a substantially intermediate position in the vehicle front-rear direction toward the rear of the vehicle body. Hereinafter, for convenience of explanation, the front half of the side pipes 7A and 7B with the bent portions interposed therebetween will be referred to as front frames 7AF and 7BF, and the rear half of the side pipes 7A and 7B as rear frames 7AR and 7BR. A center frame 40 to which a center stand or the like is attached is attached to the lower surface side of the bent portion m of the side pipes 7A and 7B. The main body frame in the present invention is composed of a head pipe 3, a down pipe 5, a frame unit 6, and the like.

  Further, a footrest floor 9 on which the driver's feet are placed is supported on the upper portions of the front frames 7AF, 7BF, and an under-seat floor 10 for placing loads is supported on the upper portions of the rear frames 7AR, 7BR. . The under-seat floor 10 protrudes in a step shape from the rear end of the footrest floor 9, and is inclined upward toward the rear end of the vehicle body (see FIGS. 1 and 2).

  5 and 6 are a plan view and a side view of the vicinity of the vehicle center portion of the low-floor type vehicle in which the footrest floor 9 and the under-seat floor 10 are removed. As shown in these drawings, a fuel tank 20 is attached to the front frames 7AF and 7BF, and an engine 11, a continuously variable transmission 12, a speed reducer (not shown) and the like are integrated with the rear frames 7AR and 7BR. The power unit 14 is supported. In the case of this low floor type vehicle, the power unit 14 is swingably attached to the rear frames 7AR and 7BR through a plurality of links 15 together with the rear wheel WR as a unit swing type. A cushion unit 16 having a coil spring as a main component is interposed between the support portion of the rear wheel WR and the cross pipe 8d (see FIGS. 3 and 4) between the rear frames 7AR and 7BR. The engine 11 of the power unit 14 is disposed at a substantially central position in the vehicle width direction behind the bent portion m of the frame unit 6, and the continuously variable transmission 12 and the speed reducer are disposed below the rear frame 7AR on the left side of the vehicle body. An air cleaner 17 connected to the intake side of the engine 11 is attached to the upper surface of the rear side of the transmission case 12a of the continuously variable transmission 12, and an exhaust pipe 18 and a muffler 19 connected to the exhaust side of the engine 11 (FIG. 1). , See FIG. 2) is pulled out below the rear frame 7BR on the right side of the vehicle body.

An air duct 21 for introducing cooling air into the transmission is connected to the front end of the transmission case 12a of the continuously variable transmission 12, and the air duct 21 is connected to the left side of the vehicle body as shown in FIGS. Is disposed along the outer surface of the front frame 7AF, and is fixed to the front frame 7AF with a fastening member such as a screw (not shown), and the front end of the fuel tank 20 extends over the upper surface of the front frame 7AF. Open at the end position. In the figure, reference numeral 22 denotes a bellows pipe provided in the air duct 21 to allow the power unit 14 to swing.

  Also, a cover column 23 that rises toward the root of the handle 1 and surrounds the periphery of the down pipe 5 is disposed at the front end of the footrest floor 9, and a headlight 24 a, A light box 25 for storing 24b is attached.

  By the way, in the frame unit 6 shown in FIGS. 4 and 5, in the vicinity of the bent portion m of the front frames 7AF and 7BF and the rear frames 7AR and 7BR, a substantially U-shape for supporting the seat 26 on which the occupant is seated. Curved seat frames 27, 28 and 29 are joined together. These seat frames 27, 28, and 29 have one of two U-shaped opposite sides (hereinafter referred to as “lower sides 27a, 28a, and 29a”) coupled across the left and right frames 7AF and 7BF or 7AR and 7BR. The connecting sides 27b, 28b, 29b connecting the two sides rise upward at the vehicle width direction outer side position of the frames 7BF, 7AR on the right side of the vehicle body and are called the other side (hereinafter referred to as “upper sides 27c, 28c, 29c”). .) Side 26 is supported. That is, these seat frames 27, 28 and 29 are all arranged so as to bulge outside the right frames 7BF and 7AR and bend in a U-shape, and the seat 26 is supported by the frame unit 6 in a cantilever manner. It is like that.

The front seat frame 27 coupled to the front frames 7AF and 7BF and the rearmost seat frame 29 coupled to the rear frames 7AR and 7BR have respective upper sides 27c and 29c linearly extending in the vehicle width direction. The upper side 28c of the intermediate seat frame 28 extends to the front side of the intermediate position in the vehicle width direction, and then the front end of the upper side 28c is curved toward the front side of the vehicle body (hereinafter, this portion is referred to as the “front extension 28d "). A seat support piece 30 to which the front end portion of the seat 26 is coupled is coupled to the tip of the front extending portion 28d of the seat frame 28, and the upper side of the frontmost seat frame 27 is positioned at the vehicle body rear side of the coupling portion. The tip of 27c is joined. Further, a pair of channel frames 31a and 31b that extend to both sides in the vehicle width direction and support the lower surface of the seat 26 are coupled to the vehicle body rear side position of the front extending portion 28d of the seat frame 28. An elliptical ring-shaped side grip 32 that is gripped by a driver who gets off the vehicle and operates the vehicle is integrally coupled to a front end portion of the channel frame 31a that extends to the left side of the vehicle body.

On the other hand, a seat rail 33 extending in the front-rear direction of the vehicle body is coupled to the front end of the upper side 29 c of the rearmost seat frame 29 at a substantially central position in the width direction of the seat 26. The front end portion of the seat rail 33 extends to the lower surface of the channel frame 31a on the left side of the vehicle body and is coupled to the channel frame 31a. Therefore, the upper side of the rearmost seat frame 29 is integrated with the upper sides 27c and 28c of the two front seat frames 27 and 28 via the seat rail 33 and the channel frame 31a. Further, support brackets 34 and 35 for supporting the lower surface of the seat 26 are attached to the front and rear of the joint portion of the seat rail 33 with the seat frame 29 , respectively. A substantially D-shaped grab rail 36 held by a person is coupled.

  In the case of this embodiment, the seat 26 includes a rider seat 26A on which the driver is seated and a pillion seat 26B on which the passenger sits behind the driver, as shown in FIGS. The rider seat 26A and the pillion seat 26B are formed independently, and the front rider seat 26A is mainly supported by the front side seat frame 27 and the upper sides 27c and 28c of the intermediate seat frame 28, and the pillion seat 26B is the rearmost portion. The upper side 29c of the seat frame 29 is mainly supported. However, since the upper side 29c of the rearmost seat frame 29 is connected to the two front seat frames 28, 27 via the seat rail 33, part of the load acting on the pillion seat 26B is part of the two front seat frames 28. , 27 are also supported. The seat rail 33 is disposed so as to straddle the lower surfaces of the rider seat 26A and the pillion seat 26B.

  A tail lamp 37 and a license plate mounting stay 38 are attached to the rear end of the frame unit 6 as shown in FIG.

  The above-described under-seat floor 10 is attached so as to cover the rear frames 7AR and 7BR and the lower sides 27a, 28a, and 29a of the seat frames 27, 28, and 29, and between the under-seat floor 10 and the seat 26. Is provided with a storage space 39 for storing luggage. Further, as shown in FIG. 7, the under-seat floor 10 is formed with a width wider than the width of the seat 26 so as to straddle the upper part between the axial center portions of the left and right rear frames 7AR and 7BR.

  In the low-floor type vehicle configured as described above, since a housing space 39 continuing from the footrest floor 9 to the rear end of the vehicle body is formed below the seat 26, a long luggage such as a skateboard or a fishing rod. Can be placed on the floor 10 under the seat. In this low floor type vehicle, the seat frames 27, 28, 29 for supporting the seat 26 on the frame unit 6 are formed in a substantially U-shape, and the seat frames 27, 28, 29 are curved. Since the portion is arranged so as to protrude outward in the vehicle width direction from the rear frame 7BR, the width of the under-seat floor 10 can be sufficiently widened, and the luggage has a width that protrudes from the under-seat floor 10. The seat frames 27, 28, and 29 can be placed on the floor 10 under the seat with a margin.

In particular, in the low-floor type vehicle of this embodiment, the curved portions of all seat frames 27, 28, 29 are arranged in a cantilever manner so as to be aligned on the right side of the vehicle, and the restrictions imposed by the seat frames 27, 28, 29 on the left side of the vehicle body. Since a continuous space that is not subject to this is ensured, a wider baggage can be placed on the floor 10 under the seat.
Further, in the case of this low floor type vehicle, the seat frames 27, 28, 29 that support the seat 26 are curved, and the seat frames 27, 28, 29 are cantilevered to support the seat 26. Therefore, there is an advantage that the input impact from the road surface can be mitigated by the elasticity of the seat frames 27, 28 and 29.

  Further, in the case of this low floor type vehicle, the seat 26 is constituted by two seats of a rider seat 26A and a pillion seat 26B, but below the rider seat 26A, seat frames 27 and 28, and below the pillion seat 26B. Since the seat frames 29 are respectively arranged, the front and rear seats 26A and 26B can be reliably and stably supported by the frame unit 6.

  In particular, in this embodiment, the upper sides 27c and 28c of the front two seat frames 27 and 28 are directly coupled, and the upper side 29c of the rearmost seat frame 29 is intermediate between the seat rail 33 and the channel frame 31a. Since it is coupled to the upper side 28c of the seat frame 28, the load acting on the upper sides 27c, 28c, 29c of the seat frames 27, 28, 29 can be distributed and supported on all the seat frames 27, 28, 29. A large relative displacement between the rider seat 26A and the pillion seat 26B can be suppressed. As a result, the support strength with respect to the seat 26 can be reliably increased, and the sense of stability of the passenger seated on the pillion seat 26B can be enhanced.

  Further, in this low floor type vehicle, since the grab rail 36 is integrally attached to the rear end portion of the seat rail 33 coupled to the upper side 29c of the seat frame 29, the passenger sitting on the pillion seat 26B When the rail 36 is gripped, there is an advantage that the displacement of the pillion seat 26B and the grab rail 36 is reduced, and the holdability of the passenger by the grab rail 36 is further increased.

The present invention is not limited to the embodiment described above, and various design changes can be made without departing from the scope of the invention.

The perspective view which looked at the low-floor type vehicle of one embodiment of this invention from the front diagonally upper side. The side view of the low floor type vehicle of the embodiment. The perspective view which mainly made the frame member of the low floor type vehicle of the embodiment. The perspective view which shows the assembly | attachment state of the seat frame of the embodiment. The top view of the vehicle body substantially center part which removed the footrest floor and under-seat floor of the low floor type vehicle of the embodiment. The side view of the vehicle body substantially center part which removed the footrest floor and under-seat floor of the low floor type vehicle of the embodiment. The top view of the low floor type vehicle of the embodiment.

Explanation of symbols

3 ... head pipe (body frame)
5 ... Down pipe (body frame)
6 ... Frame unit (car body main frame)
DESCRIPTION OF SYMBOLS 10 ... Frame under seat 26 ... Seat 26A ... Rider seat 26B ... Pillion seat 27, 28, 29 ... Seat frame 33 ... Seat rail 36 ... Grab rail 39 ... Storage space (space part)

Claims (5)

A vehicle body main frame (3, 5, 6) having a pair of left and right side pipes (7A, 7B) arranged along the longitudinal direction of the vehicle;
An occupant of the seating for the seat (26),
An under-seat floor (10) supported by the vehicle body main frame and disposed below the seat via a space (39) for accommodating luggage;
A seat frame (27, 28, 29) coupled between the side pipes (7A, 7B) and supporting the seat on the upper side of the floor under the seat;
In a low-floor vehicle equipped with
The seat frame (27, 28, 29) is bent and cantilevered so as to bulge outward only on one side in the vehicle width direction with respect to the side pipe (7A, 7B) ,
The seat (26) includes a rider seat (26A) and a pillion seat (26B) for the driver,
A plurality of the seat frames (27, 28, 29) are provided at intervals in the longitudinal direction of the vehicle body, and the rider seat (26A) is supported by a front seat frame (27, 28) of the plurality of seat frames. In addition, the pillion seat (26A) is supported by a rear seat frame (29) . The seat frame (27, 28, 29) is curved respectively lower (27a, 28a, 29a) and upper (27 c, 28 c, 29 c) is opposed manner U-shape, the lower side (27a, 28a 29a) is connected to the pair of left and right side pipes (7A, 7B). The front seat frame (27, 28) includes a foremost seat frame (27) and an intermediate seat frame (28) provided behind the foremost seat frame (27) with a space therebetween. The low floor type vehicle according to claim 2, wherein the upper side (27c) of the foremost seat frame (27) and the upper side (28c) of the intermediate seat frame (28) are directly coupled. . The low floor vehicle according to any one of claims 1 to 3, wherein the rider seat and the pillion seat are configured separately.
A low floor that extends in the longitudinal direction of the vehicle body so as to straddle the lower surface side of the rider seat and the pillion seat, provides a seat rail that supports these seats, and the seat rails are supported by the plurality of seat frames. Type vehicle.   The low-floor type vehicle according to claim 4, wherein a grab rail gripped by a passenger during driving of the vehicle is integrated with the seat rail.

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