JPH01215685A - Off-road running vehicle - Google Patents

Abstract

PURPOSE:To inhibit cargo on a cargo bed provided in rear of a saddle type seat from shifting forward and to ensure the safety by providing a fence member for inhibiting the forward movement of the cargo, tiltably to the cargo bed in the vicinity of the rear section of the saddle type seat arranged in the center section of the vehicle body. CONSTITUTION:A vehicle body frame 1 includes upper and lower left and right frames 1a, 1b in pairs, extending longitudinally in the front section of a vehicle body, a pair of right and left seat rails 1c extending rearward from the rear section of the upper frame 1b, and lower members 1d for supporting the seat rails 1c on the lower side of the latter. Further, a saddle type seat 6 is supported on the upper frames 1b so as to be arranged in the center section of the vehicle body. Further, a cargo bed 10 including a frame member 11 and a floor plate 15 covering rear right and left wheels 8 there above, is supported on the seat rails 11c. Further, a fence member 41 composed of an inverse U-like pipe 41a, a backing pad 41 and the like is attached to a pair of right and left stays 42 in the vicinity of the rear section of the saddle type seat 6 so as to be tiltably supported on the floor plate 15.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an off-road vehicle equipped with wide tires or wide low-pressure tires.

[Conventional technology]

A vehicle for traveling on rough terrain is a tricycle or four-wheeled vehicle equipped with a bar-shaped steering handle and a saddle-shaped seat, equipped with wide tires with normal air pressure or wide low-pressure tires with low air pressure. , and has excellent driving performance on uneven terrain such as sand and soft roads. For this reason, in recent years, vehicles for traveling on rough terrain have come to be used not only for driving on rough terrain, but also for various tasks such as agricultural work and forestry, and as a result, they have been used to carry cargo such as work tools and harvested products. is requested to be loaded. As a solution to this problem, there is, for example, one disclosed in Japanese Patent Laid-Open No. 178279/1983. This is equipped with a carrier formed into a substantially flat plate shape by crossing iron pipes behind the seat.

[Problem to be solved by the invention]

However, with such a carrier, there is a risk that the loaded baggage may move forward while the vehicle is running and hit the passenger's back, causing discomfort.

In order to solve this problem, it may be possible to install a front plate on the front side of the cargo platform, but doing so would cause the inconvenience of not being able to take a free driving position when driving at high speed on rough terrain without loading cargo. . That is, when the occupant pulls his/her hips back or moves left/right, the front plate comes into contact with the occupant and becomes an obstacle to weight movement. The present invention was made in view of the above circumstances, and it is an object of the present invention to provide a vehicle for driving on rough terrain that can prevent cargo from hitting the occupants and also allows the vehicle to take a free driving position when no cargo is loaded. be.

[Means to solve the problem]

The off-road vehicle according to the present invention is provided with a shelf protruding above the seat top surface near the rear of the seat to prevent cargo from moving forward, and the shelf body is lowered below the seat top surface to the cargo platform side. It was supported as possible.

[Effect]

In the present invention, when the shelf is raised, the forward movement of luggage is prevented, and when the shelf is folded down, the shelf does not protrude from the top surface of the seat.

〔Example〕

Hereinafter, its configuration and the like will be explained in detail with reference to embodiments shown in the drawings. FIG. 1 is a side view showing a vehicle for traveling on rough terrain according to the present invention, FIG. 2 is a plan view, and FIG. 3 is the same (rear view), FIG. Fig. 5 is a sectional view taken along the line V-V in Fig. 2, and the reference numeral 1 in Figs. A pair of left and right lower frames 1a extending in the left and right lower frames la, a pair of left and right upper frames 1b extending in the front-rear direction at the upper part of the front part of the vehicle body so as to form a space between them and the lower frames 1a, and this upper frame 1b.
A pair of left and right seat rail ICs 1 extend rearward from the rear portion of the seat rail IC 1 substantially horizontally and parallel to each other. The lower frame 1a supports, at its front end, a pair of left and right front wheels 3 that are steered by a rod-shaped steering handle 2, and also supports an engine 4, and its rear portion is curved into a rearward shape. On the other hand, the upper frame lb supports the fuel tank 5 and a saddle-shaped seat 6 disposed at the center of the vehicle body behind the fuel tank 5, and the rear part thereof is bent upward. The rear end portions of the lower frame la and the upper frame lbO are connected to the pivot 7. A swing arm 9 that supports a pair of left and right rear wheels 8 in a vertically swingable manner is pivotally supported on this pivot portion 7. The front wheels 3 and rear wheels 8 are wide, low-pressure tires that are used with low air pressure.

The seat 6 has a length necessary and sufficient for one occupant to ride in a stable posture. In other words, the seat is shorter in the front-rear direction than the conventional vehicle seat for rough terrain driving, which allows the seat to be seated even when the hips are pulled back. This is to ensure a larger loading space behind the seat. And the seat rail IC
extends to the rear of the seat 6, approximately to the center of the rear wheel 8 in this embodiment. The lower member 1d is the pivot portion 7
The lower members 16 on the left and right are connected by a cross member 1e. Further, the lower member 1d and the seat rail IC are connected by a side member 1f.

1O is a loading platform consisting of a frame 11 supported on the seat rail lc and a floor plate to be described later. As shown in a perspective view in FIG. 6, the frame 11 is composed of an upper frame 11a made of a square pipe forming the outer periphery and a lower frame 11b made of a round pipe provided below the upper frame 11a. ing. Upper frame 11a
is formed into a wide rectangular shape, the lower frame 11b is formed into a rectangular parallelepiped shape having a width narrower than the facing interval of the seat rails lc, and the length of these members is set to be longer than the diameter of the rear wheel 8. There is. llc is a reinforcing member that horizontally connects the upper frame 11a and the lower frame 11b, and 11d is also the upper frame 11.
a reinforcing member that diagonally connects a and the lower frame 11b, li
e and llf are reinforcing members that reinforce the lower frame 11b in the horizontal and vertical directions. Reference numerals 12, 13, and 14 denote brackets, and the bracket 12 is provided under a member that constitutes the lower part of the lower frame 11b and extends in the front-rear direction, and is connected to the lower member 1.
d is fixed to the cross member 1e connecting the rear ends of the cross member 1e. Further, the bracket 13 is provided on the reinforcing member 11c and fixed to the rear end of the seat rail IC. Brakeso) 1
4 is a seat rail l provided on the lower side of the front end of the upper frame 11a.
It is fixed to a portion close to the seat 6 of c.

A floor plate 15 is supported on the frame 11 and integrally covers the upper parts of the left and right rear wheels 8. That is, the floor plate 15 has a length extending from near the front edge of the rear wheel 8 to near the rear edge, and
It has a width that protrudes laterally from the center of the vehicle body. As shown in FIG. 5, this floor plate 15 is made of a flat iron plate with unevenness extending in the front-rear direction of the vehicle body, and has an edge bent downward. 8 and a central floor plate 15b that covers the upper part between the left and right seat rails 10.

16 is a bottom member supported on the reinforcing member lie of the lower frame 11b. The bottom member 16 is made of synthetic resin and is integrally formed into a box shape that is open upward and backward.
1b. That is, the bottom member 16 provides a storage chamber below the floorboard surface and between the left and right rear wheels 8. Reference numeral 17 denotes a lid body pivotally attached to the lower side of the rear end of the lower frame 11b with a hinge 18, and opens and closes the storage chamber.

The swing arm 9 is configured by connecting a pair of left and right arms 9b to a cylindrical part 9a rotatably supported between the pivot parts 7, and the power of the engine 4 is connected between the left and right arms. A drive shaft housing 21 that accommodates a drive shaft that is transmitted to the rear wheels 8 is provided. 22. An axle tube 22 is connected to the rear end of the arm 9b and supports the rear wheel shaft 29 of the left and right rear wheels 8. 23 is a differential device provided between the axle tubes 22, 22, which decelerates the rotation of the drive shaft housed in the drive shaft housing 21 and converts it into a direction around the axis of the axle. 24 is a traction device for towing a cart or the like, and is fixed to the axle tube 22. Each of the arms 9b is formed such that the distance between the two arms 9b gradually increases toward the rear of the vehicle body, and the rear end portions thereof protrude further to the side of the vehicle body than the lower member 1d.

A shock absorber 25 is interposed between the axle tube 22 and the rear end of the seat rail 1c, and absorbs the vertical movement of the arm 9b. A cushioning rubber 26 is provided at the intersection of the arm 9b and the lower member 1d. In detail, buffer rubber 2
6 is formed in a spindle shape with a cross-sectional area gradually decreasing toward the bottom, and is attached to the upwardly inclined lower surface of a bracket 27 provided on the lower side of the lower member 1d. −
On the other hand, on the arm 9b side, a seat 28 is provided on which the cushioning rubber 26 comes into contact. When the cushioning rubber 26 is loaded with a heavy load and travels, the receiver comes into contact with the seat 28 before the shock absorber 25 bottoms out, and works together with the shock absorber 25 to generate a large shock absorbing force and improve riding comfort. At the same time, the buffer 25 itself is protected.

Reference numeral 31 denotes left and right rear wheels made of synthetic resin that cover the front of the left and right rear wheels 8. These rear fenders 31 are attached and supported at the front part of the frame 11 so that a space is formed between them and the rear wheel 8, and are close to the step 32 to the extent that they do not come into contact with the legs of the occupant placed on the step 32. has been done. 33
is a mudguard mounted and supported at the rear of the frame 11. Of the space formed between the rear fender 31 and the rear wheel 8, a muffler 34 is disposed in the space on the right side of the vehicle body, and a battery 35 is disposed in the space on the left side of the vehicle body.

The muffler 34 is formed into a cylindrical shape and has a built-in spark collector. 7 and 8 are side views showing how these members are attached, and the muffler 34 is attached to the bracket 36 at the attachment part of the right seat rail 1c with its axis in the vehicle width direction.
is supported through. The battery 35 is housed in a battery box 37, and is mounted and held on a support plate 38 fixed to the outside of the lower left member 1d. An exhaust pipe 39 extends from the engine 4 and is connected to the inner surface of the muffler 34. 4o is a tail pipe connected to the rear surface of the muffler 34, and extends rearward substantially horizontally through the space formed between the right rear wheel 8 and the frame body 11.

Reference numeral 41 denotes a shelf body disposed near the rear of the seat 6, protruding upward from the top surface of the seat and preventing the luggage placed on the floor plate 15 from moving forward. This shelf body 41 is made up of an iron pipe 41a bent into an inverted U shape, and this iron pipe 41a.
It consists of a cross member 41b that connects the side parts of the cross member 41b, and a back pad 41c attached to the front side of the cross member 41b. The iron pipe 41a is pivotally connected below the upper surface of the seat to a pair of left and right stays 42 that protrude from the front side of the upper frame 11a so as to face each other via seat rods, so that the iron pipe 41a can be laid down on the floor board 15 side. Supported. Although not shown in the figure, the stay 42 also has a shelf 41 that can be selectively placed in a state where it stands up with respect to the seat 6 as shown by a solid line in FIG. A locking device is provided to hold the device in place.

In the vehicle for traveling on rough terrain configured in this way, by raising the shelf 41, it is possible not only to load cargo onto the floor plate 15 disposed behind the seat 6, but also to load cargo onto the floor plate 15 disposed behind the seat 6. can be prevented from moving forward. Moreover, by folding down the shelf body 41, the shelf body 4
1 can be prevented from protruding from the top surface of the seat.

Therefore, when the vehicle is loaded with luggage, it is possible to prevent the luggage from hitting the occupant while the vehicle is running. Note that in this case, the shelf 41 prevents the occupant from shifting his or her weight backwards, but when the vehicle is loaded with luggage, the vehicle generally travels at low speed and there is no need to shift its weight that much. , there will be no inconvenience. On the other hand, when you are not loading luggage, by folding down the shelf 41, the shelf 41 will not get in the way even if you change your seating position. This allows you to take a free driving position.

In addition, in the above embodiment, an example was explained in which the shelf body 41 formed from the iron pipe 41a was used, but the present invention is not limited to this, and the shape of the shelf body 41 can be changed as appropriate. .

〔Effect of the invention〕

As explained above, according to the present invention, a shelf is provided near the rear of the seat and protrudes above the top surface of the seat to prevent cargo from moving forward, and the shelf is lowered below the top surface of the seat toward the loading platform. Since the shelf body is supported as much as possible, it is possible to prevent the luggage from moving forward by raising the shelf body, and it is possible to prevent the shelf body from protruding from the upper surface of the seat by laying down the shelf body.

Therefore, when the vehicle is loaded with luggage, the shelf body can prevent the luggage from hitting the passenger, and when the vehicle is not loaded with luggage, the shelf body can be moved out of the way and the driver can take a free driving position.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an off-road vehicle according to the present invention;
FIG. 2 is a plan view, FIG. 3 is a rear view, FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3, and FIG.
6 is a perspective view showing the loading platform, FIG. 7 is a side view showing the muffler installed, and FIG. 8 is a side view showing the battery installed. ■・・・Body frame, IC・・・Seat rail,
6... Sheet, lO... Loading platform, 11... Frame, 15... Floor board, 41... Shelf, 42...
・Stay. Patent applicant Yamaha Motor Co., Ltd.

Claims (1)

[Claims] In an off-road vehicle that has a saddle-shaped seat in the center of the vehicle body and a cargo platform behind it, a shelf is provided near the rear of the seat that protrudes above the top surface of the seat to prevent cargo from moving forward. A vehicle for traveling on rough terrain in which a shelf is supported below the top surface of the seat so that it can be folded down to the cargo platform side.