JPH01215683A - Off-road running vehicle - Google Patents

Abstract

PURPOSE:To make it possible to load various kinds of cargoes by supporting a cargo bed on a pair of right and left frame members extending in rear of a saddle type seat provided in the center section of a vehicle body, and by providing flap members removably to the edge part of the cargo bed. 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 frame 1b so as to be arranged in the center section of the vehicle body. Further, a car bed 10 composed of a frame member 11 and a floor plate 15 for covering rear right and left wheels 8 above them is supported on the seat rails 1c. Further, four side flap members 42 are removably attached to a suitable number of attaching blocks 41 secured to the outer surface of an upper frame section 11a of the frame member 11.

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 made of crossed iron pipes behind the seat.

[Problem to be solved by the invention]

However, such a carrier has a problem in that the types of cargo that can be loaded are limited and cannot be used for various work purposes. That is, when loading small items, the items may get stuck between the iron pipes of the carrier or may fall from between the iron pipes. And to solve this,
If a floor plate is installed on the carrier and a gate is provided around the carrier, there is an inconvenience that the gate will get in the way when large items are loaded. The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide an all-terrain vehicle that can be used for various purposes.

[Means to solve the problem]

The all-terrain vehicle according to the present invention includes a frame member extending rearward from the seat, and supports a cargo platform having a floor plate that integrally covers the upper parts of the left and right rear wheels on the frame member. A mounting portion is provided on the edge to which a tilting member is removably mounted.

[Effect]

In the present invention, the gates can be replaced and the shape of the gates can be changed depending on the type of cargo to be loaded.

〔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, FIG. 3 is a rear view, and FIG. FIG. 5 is a sectional view taken along the line V-V in FIG. 2, and the reference numeral 1 in FIGS. 1 to 3 indicates the vehicle body frame. This vehicle body frame l extends in the front and back direction at the upper part of the front part of the vehicle body so as to form a space between a pair of left and right lower frames 1as extending in the front and back direction at the lower part of the front part of the vehicle body. A pair of left and right upper frames lb, this upper frame l
It is comprised of frame members such as a pair of left and right seat rails 1c that extend rearward from the rear portion of the seat rails 1c substantially horizontally and parallel to each other, and a pair of left and right lower members 1d that support the seat rails 1c from below. The lower frame 1a supports a pair of left and right front ends 3 which are steered by a rod-shaped steering handle 2 at its front end, and also supports an engine 4, and its rear part is curved in a curved manner. On the other hand, the upper frame 1b 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 its rear portion is bent upward toward the rear. The rear ends of the lower frame 1a and the upper frame 1b are connected to a 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
It extends rearward substantially horizontally in parallel with the seat rail IC, and the left and right lower members ld are connected by a cross member 1e. Further, the lower member 1d and the seat rail IC are connected by a side member If.

Reference numeral 10 denotes 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, and the lower frame 11b is formed into a rectangular parallelepiped shape having a width narrower than the facing interval of the seat rails 1c, 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 connects the upper frame 11a and the lower frame 11b in the horizontal direction, and 11d is the same (the upper frame 11
a reinforcing member that diagonally connects a and the lower frame 11b, li
e and if are reinforcing members that reinforce the lower frame 11b in the horizontal and vertical directions. Reference numerals 12, 13, and 14 denote a bracket, 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 attached 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 lie and fixed to the rear end portion of the seat rail 1c. Bracket 1
4 is a seat rail 1 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 both 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 end 8 to near the rear edge, and has a length extending from near the front edge of the rear end 8 to near the rear edge.
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. It is divided into side floor plates 15a, 15a which are fixed so as to cover the upper part of the seat rails 8, and a central part floor plate 15b which covers the upper part between the left and right seat rail ICs.

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 IC, and absorbs the vertical movement of the arm 9b. A buffer rubber 26 is provided at the intersection of the arm 9b and the lower member ld. In detail, buffer rubber 2
6 is formed in a spindle shape whose cross-sectional area gradually decreases 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 of the frame 11 so that a space is formed between them and the rear wheel 8, and are close to the step 32 so as not to 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 pantry 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. A tail pipe 40 is connected to the rear surface of the muffler 34, and extends rearward substantially horizontally through a space formed between the right rear wheel 8 and the frame body 11.

As shown in FIG. 9, reference numeral 41 designates a plurality of mounting brackets as mounting portions to which the tilting member 42 is detachably mounted. This mounting bracket 41 is made of an iron plate bent into a U-shape.
It is constructed by being welded to the outer surface as the edge of the upper frame 11a, and forms an insertion hole between the upper frame 11a and the above-mentioned gate member 42, through which it is inserted and extracted in the vertical direction. The gate members 42 include left and right side gates 42a and rear gates 42b.
and a front plate 42c, each consisting of two upper and lower wooden shrouding plates 43 that surround the floorboard 15, and a wooden support plate 44 that supports the shrouding plates 43 and whose lower end is inserted into and removed from the mounting bracket 41. Metal fittings are attached to both ends of a shroud plate 43 disposed above to connect these plates.

In the thus constructed off-road vehicle, cargo can be loaded onto the floor plate 15 disposed behind the seat 6. Further, the tilting member 42 can be attached or removed, and furthermore, a tilting member 51 having a different shape can be attached as shown in FIG. 10.

This gate member 51 is a gate that surrounds the floorboard 15 without any gaps so that even small loads (loose items) will not fall.
The rear gate 51b is pivotally attached to the upper frame 11a so as to open and close the loading space rearward. Figures 11 and 12 show rear tailgate 5
1b is a sectional view showing a structure in which the upper frame 1b is pivotally attached, and the nut 52 fixed to the upper frame 11a by caulking or the upper frame 1
The hinge 54 may be screwed onto the nut 53 welded to 1a.

Therefore, by attaching and detaching or replacing the gate member, the shape of the gate can be changed depending on the type of cargo to be loaded. In addition, when not loading cargo, the tilting members 42 and 51 can be removed, so when driving on rough terrain at high speed, you can freely adjust the driving position depending on the driving condition, such as pulling your hips back. can be taken.

FIGS. 13, 14, and 15 are perspective views showing other types of gate members. The tilting member 61 shown in FIG. 13 surrounds the floorboard 15 without any gaps in the same way as the tilting member 51 shown in FIG.
As shown in FIG. 7, a U-shaped hook 62 fixed to the tilting member 61 and a U-shaped hook 63 fixed to the upper frame 11a are fastened together by a detachable band 64.

The abutment member 71 shown in FIG. 14 is formed by bending an iron pipe 72 into a U-shape. Therefore, as shown in FIGS. 18 and 19, the mounting portion is constituted by a mounting bracket 73 that forms an insertion hole with a circular cross section. The iron pipe 72 is attached by an annular projection 74 protruding from the outer peripheral surface and a nut 75 screwed into the threaded portion. Further, the tilt member 79 shown in FIG. 15 is attached around the floor plate 80 which is pivotally attached to the upper frame 11a, and the mounting bracket 41 is provided at the edge of the frame member 81 that supports the floor plate 80. Therefore, the floor plate 80 can be tilted and the luggage can be easily lowered.

20 and 21, the mounting bracket 41 is attached to the upper frame 1.
1A is a plan view and a cross-sectional view showing another structure for fixing to the upper frame 1a, in which the mounting bracket 41 is fixed to a metal fitting 83 having a flange 82 that vertically sandwiches the edge of the upper frame 11a. This metal fitting 83 is fixed to the upper frame 11a using bolts 84, collars 85, etc. that press the flange 82 in the vertical direction.

Note that the structure of the mounting part is not limited to the one that provides the insertion hole explained in the above embodiment or uses a hook or nut, but may be any structure that allows for detachable mounting. , can be changed as appropriate.

〔Effect of the invention〕

As explained above, according to the present invention, a frame member is provided extending rearward from the seat, and a loading platform having a floor plate that integrally covers the upper parts of both the left and right rear wheels is supported on the frame member, and the loading platform is Since the edge is provided with an attachment part to which the gate member can be detachably attached, the gate can be removed or replaced depending on the type of cargo to be loaded, and the shape of the gate can be changed.

Therefore, various types of cargo can be loaded,
One vehicle can be used for various purposes.

[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, and FIG. 4 is a sectional view taken along the line IV-IVV in FIG.
V-line sectional view, Figure 6 is a perspective view showing the loading platform, Figure 7 is a side view showing the muffler installed, Figure 8 is a side view showing the battery installed, and Figure 9 is for rough terrain driving. FIG. 10 is a perspective view showing another gate member; FIGS. 11 and 12 are sectional views showing a structure for pivoting the rear gate; FIG. 13; Figure 14,
Fig. 15 is a perspective view showing another type of gate member;
21 to 21 are diagrams for explaining the mounting structure of the tilting member. l...Vehicle frame, IC...Seat rail,
6... Seat, 8... Rear wheel, 10... Loading platform, 11... Frame, 15... Floor plate, 41...
Mounting bracket, 42... Aerial member. Patent applicant Yamaha Motor Co., Ltd.

Claims (1)

[Claims] In an off-road vehicle equipped with a saddle-shaped seat in the center of the vehicle body, a pair of left and right frame members extends behind the seat, and a floor plate that integrally covers above both left and right rear wheels is provided on the frame members. A vehicle for traveling on rough terrain, which supports a loading platform having a loading platform, and is provided with an attachment part on the edge of the loading platform to which a tilting member can be detachably attached.