JP3504580B2 - Riding vehicle on four-wheel rough terrain - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type four-wheel all-terrain vehicle (hereinafter, referred to as A) having a front guard for protecting the vehicle and a winch for pulling luggage and the like at the front of the vehicle.
In particular, the present invention relates to a winch mounting structure provided in the vehicle.

[0002]

2. Description of the Related Art A winch of this type has many opportunities for the above-mentioned riding type four-wheeled rough terrain vehicle to travel on rough terrain. Therefore, for example, when the winch gets stuck in a swamp or the like, it is towed by trees or fixed objects in front of it. Escape from the swamp by bundling one end of the rope and winding the rope with a winch and pulling it,
It is used for applications such as pulling with a winch when moving heavy objects.

Conventionally, in the case of the winch 71 as described above, as shown in FIG. 8, a winch mounting portion 72 is generally provided in front of the vehicle 70 in front of the front guard 73. Is. In some cases, as shown in FIG. 8, a guard 74 dedicated to the winch 71 is provided to protect the winch.

[0004]

However, the riding type four-wheel all-terrain vehicle equipped with the winch having the above-described conventional mounting structure has room for improvement in the following points. That is, a part of the winch projects in front of the vehicle, which hinders driving. Also, obstacles hit the winch directly,
May be damaged.

The winch mounting portion requires strength and has a large number of parts, which makes it heavy and expensive.

Since the winch projects toward the front of the vehicle, the appearance is poor.

For the above reasons, the specifications of the vehicle with the winch and without the winch are different. Therefore, when a winch is mounted later on a vehicle without a winch, it is necessary to specially provide a mounting portion, so that the winch cannot be mounted easily and the cost is significantly increased.

The present invention has been made in view of the above points, and a winch or its related parts do not project to the front of the vehicle, and an increase in the number of parts, an increase in weight, or an increase in price can be suppressed as much as possible. It is an object of the present invention to provide a riding type four-wheel, all-terrain vehicle equipped with a winch mounting structure, in which a winch can be easily mounted.

[0009]

In order to achieve the above object, a riding type four-wheel all-terrain vehicle according to the present invention is provided with a front guard connected to a front end of a vehicle body frame at a front portion of the vehicle. In a four-wheel all-terrain vehicle, the front
Guards are attached to the left and right lower frames of the body frame.
Below the left and right that are connected and extend forward from the connection
And a body member extending upward from the lower member.
The left and right front members connected to the upper frame of the
It consists of a lower connecting member that connects the left and right lower members,
A radiator is arranged in the front part of the body frame,
Between the lower part of the radiator and the lower connecting member of the front guard
Between the front members on the left and right, between the front and left front members, an electric winch and a guide roller mechanism for a tow rope are arranged in this order from the rear to the front, and the lower part of the front guard is connected.
Remove the winch mounting member integrally with the connecting member.
Attach the guide roller mechanism to this mounting member.
It is characterized in that an attachment portion that can be attached at present is integrally provided .

According to the riding type four-wheel all-terrain vehicle of the present invention having the above structure, the guide roller mechanism of the tow rope and the electric winch are provided in the front guard and are exposed to the outside. Since there is no winch, it does not interfere with driving unlike the case where the winch projects to the front of the vehicle like before, and the winch is protected even if no special protection member such as a winch guard is provided. In addition to being able to do it, it has an excellent appearance. Moreover, since the front guard is connected to the front end of the vehicle body frame, even if an obstacle such as a tree branch or rock hits the front guard, the winch and the guide roller mechanism can be protected.

[0011]

Since the winch mounting member is provided by utilizing a part of the front guard as a strength member, an increase in weight and the number of parts can be suppressed to a minimum, and the manufacturing becomes easy. Further, since the winch can be attached to the above-mentioned mounting member without using a dedicated mounting member, even after purchasing a vehicle without a winch, it can be easily changed to a vehicle with a winch.

[0013]

Further, the guide roller mechanism for guiding the tow rope can be easily arranged without adding any special parts.

[0015] As described in claim 2, in straddle-type four wheeled all terrain vehicle of claim 1, you above the winch
The radiator from above the guide roller mechanism.
It is desirable to dispose the baffle plate over the lower part of the .

According to claim 2 straddle-type four-wheel all terrain vehicle according, without disturbing the passage of the cooling air to the radiator from the front of the vehicle, it is possible to attach the winch to the front of the vehicle. In other words, the winch is provided between the lower part of the radiator and the lower connecting member that connects the left and right lower members of the front guard, and is not on the front surface of the radiator, and moreover, since the wind guide plate is provided above the winch. ,
Since the cooling air introduced from the front of the vehicle body to the radiator is introduced almost straight to the radiator, the cooling performance is not impeded by the winch or the like.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a riding type four-wheel all-terrain vehicle according to the present invention will be described below with reference to the drawings.

FIG. 1 is a left side view showing a riding type four-wheel all-terrain vehicle (a so-called ATV "four-wheel buggy") equipped with a winch according to an embodiment of the present invention. FIG. 2 is a riding type four-wheel vehicle of FIG. FIG. 3 is a plan view showing an all-terrain vehicle, and FIG. 3 is a front view of the riding type four-wheel all-terrain vehicle shown in FIG. FIG. 4 is a side view showing an enlarged part of FIG. 1 in detail, and FIG. 5 is a front view showing an electric winch.
FIG. 6A is a front view showing the guide roller mechanism of the tow rope, and FIG. 6B is a bottom view of FIG. 6A. Figure 7
FIG. 7A is a plan view of a mounting bracket for an electric winch and a guide roller mechanism, and FIG. 7B is a front view of the same.

As shown in FIGS. 1 and 2, a riding type four-wheel all-terrain vehicle 1 has a vehicle body frame 2 mainly composed of a welded assembly of pipe members.
A water-cooled engine 5 is mounted in the center of the inside. Front wheels 3 with low-pressure tires (balloon tires) are suspended on the left and right of the front of the body frame 2, and rear wheels 4 with low-pressure tires (balloon tires) are suspended on the rear of the body frame 2. The left and right rear wheels 4 are mounted on the rear end of a swing arm 6 which is pivotally supported in the vertical direction at the lower end of the rear portion of the vehicle body frame 2 and supported by a suspension device 7. The front wheels 3 are attached to left and right link mechanisms 9a (FIG. 3) that are independently pivotally supported in the vertical direction on the lower end of the front portion of the vehicle body frame 2 and are supported via a shock absorber 9. ing. Further, a steering shaft 10 is tilted rearward at the front portion of the vehicle body frame 2 and is axially supported in the vertical direction. The lower end of the steering shaft 10 is connected to the left and right front wheels 3 via tie rods (not shown). The front wheel 3 is steered by the bar handle 11 fixed to the upper end of the.

As shown in FIG. 1, front wheels 3 and rear wheels 4
Are driven by the engine 5 mounted on the body frame 2 via a transmission mechanism such as a drive shaft (not shown) and the differential gears 12 and 13. In the upper part of the vehicle body frame 2, a front carrier 21 for loading luggage from the front, the bar handle 11, the fuel tank 14, and a riding type seat 15 on which a driver (driver) is straddled can be arranged in this order from the front to the rear. It is arranged. Further, a rear carrier 22 and the like are arranged behind the riding type seat 15.

As shown in FIG. 2, the left and right front wheels 3 are covered with front fenders 16. The front fenders 16 are provided with a substantially horizontal central fender portion 16b extending over both side fender portions 16a. Is formed so that the width thereof becomes gradually narrower toward the front in a plan view, and the front surface 16c of the fender 16 has a grill portion 16d having a lattice-like opening in the central portion, and headlamp mounting openings 16e continuous to both sides of the grill portion 16d. It is formed from and. The left and right rear wheels 4 are covered by the rear fenders 17, but the rear fenders 17 are also on both side fender parts 1.
7a has a substantially horizontal central fender portion 17b that covers the periphery of the riding type seat 15. Between the front fender 16 and the rear fender 17, a cover 18 that covers the periphery of the fuel tank 14 is arranged in the upper portion, and step boards 19 on both sides are provided in the lower portion.

As shown in FIG. 1, the vicinity of the fixed portion of the steering shaft 10 and the bar handle 11 is covered with a handle cover 20 which is divided into two parts, the front and rear parts of the front fender 16 as shown in FIGS. A part of the central fender portion 16b is raised to the lower end of the handle cover 20. The front carrier 21 is on the front fender 16 and the rear carrier 22 is on the rear fender 17.
Are arranged respectively.

In addition, as shown in FIG.
Exhaust pipes 23a extend rearward from the exhaust ports of the respective cylinders and are connected to the muffler 23.

As shown in FIG. 1, the vehicle body frame 2 is mainly composed of a welded assembly of circular cross-section pipe members, and a pair of left and right side frames 2a extending in the front-rear direction are connected by a plurality of cross members 2b arranged in the vehicle width direction. It consists of a structure. The left and right side frames 2a are formed by an upper frame 2d on the upper side and a lower frame 2e on the lower side, and are connected by a plurality of cross members 2f vertically arranged with a slight inclination.

A front guard 25 is attached to the front end of the body frame 2 as shown in FIG. The front guard 25 is divided into an upper portion 25a and a lower portion 25b,
Since the lower portion 25b also serves as a part (front end portion) of the vehicle body frame 2, the lower portion 25b is formed of a relatively thick pipe-shaped frame, and is formed in a C-shaped curved shape when viewed from the side. The lower portion 25b is connected to the left and right lower frames 2e of the vehicle body frame 2, and the left and right lower members 26b extending forward of the connecting portion and the lower members 26b on both sides.
Lower connecting member 27 for connecting the lower parts of the
A linear upper member 2 that extends from the front member 26a integrally extending upward from 6b toward the rear with a slight upward inclination and is connected to one end of the upper frame 2d.
8 and the lower end of each upper member 28 is connected to the back surface of the front member 26a via welding and a bracket (not shown).

The upper portion 25a is a guard for protecting the headlamps 33 around the front surface 16c of the front fender 16 as shown in FIG.
Since it does not require strength as compared with 5b, the lower portion 25b
It is mainly formed of a pipe-shaped frame with a smaller outer diameter than that of. That is, the front surface 16 of the front fender 16
A trapezoidal frame body in the opposite direction along the outer shape of c is formed by the pipe-shaped frame 30, and is connected by the plate-shaped frame 31 along the inside of each headlamp 33.

The riding type four-wheel all-terrain vehicle 1 is provided with a radiator 24 in the front portion of the vehicle body frame 2 for cooling the cylinders and cylinder heads of the water-cooled engine 5. The radiator 24 is located at a position retracted from the front guard 25 into the rear body frame 2, and the radiator protection plate 29 attached to the front guard 25 allows the radiator 24 to be scattered even if pebbles or the like are scattered from the front during traveling. I try not to hit directly. However, the wind guide plate 32 is arranged so as to be inclined slightly upward from the lower portion inside the front guard 25 toward the lower end portion of the radiator 24 so that the traveling wind is sufficiently guided to the radiator 24 from the front side.

5 to 7 show a bracket (winch mounting member) 45 for mounting the electric winch 40 and the guide roller mechanism 41 of the tow rope 49 in the lower portion of the lower portion 25b of the front guard 25. . As shown in FIG. 4, the bracket 45 is formed in an upside down "H" shape when viewed from the side, and the vertical portion 46 at the front end to which the guide roller mechanism 41 is mounted and the electric winch 40 are mounted. And a horizontal portion 47. In other words, winch 4
It is composed of a horizontal portion 47 to which 0 is attached, and a vertical portion 46 which extends upward from the front portion of the horizontal portion 47 and on which the guide roller mechanism 41 is mounted. As shown in FIG. 7, the vertical portion 46 is formed with an insertion port 46a for the tow rope 49 and a pair of screw holes 46b, and the horizontal portion 47 is also formed with a pair of screw holes 47b. As shown in FIG. 7, the lower end of the horizontal portion 47 of the bracket 45 is integrally fixed by welding on the lower connecting member 27 that connects the lower members 26b on both the left and right sides of the front guard 25. Although the lower connecting member 27 is formed of a pipe member in this embodiment,
It may be formed of a plate material, or in some cases, the lower connecting member 27 and the bracket 45 may be integrally formed of a plate material.

As shown in FIG. 5, the electric winch 40 has a drum-shaped rope winding portion 40b which is driven to rotate by an electric motor 40a at one end, and a tow rope 49 is wound around the rope winding portion 40b. Has been. Further, in the guide roller mechanism 41, a pair of vertically oriented guide rollers 41a are axially attached to the frame-shaped main body 41c at regular intervals, and a pair of laterally oriented guide rollers 41b are immediately rearward at regular intervals. It is pivotally attached to a frame-shaped main body 41c which is opened.
Tow rope 49 fed from the rope winding section 40b
After passing through the insertion port 46a shown in FIG. 7, the sheet is guided forward through the horizontal guide rollers 41b and the vertical guide rollers 41a shown in FIG.

As shown in FIG. 4, in the lower portion 25b of the front guard 25, the electric winch 40 is fixed on the horizontal portion 47 of the bracket 45 by the bolt 47c, and the guide roller mechanism 41 is attached to the vertical portion of the bracket 45. It is fixed to the front surface of 46 with a bolt (not shown). In this state, the electric winch 40 is positioned substantially below the radiator 24, and the electric winch 40 and the guide roller mechanism 41 are positioned immediately below the baffle plate 32. That is, the guide roller mechanism 41 and the electric winch 40 are provided between the lower portion of the radiator 24 and the lower connecting member 27, while the air guide plate 32 is provided above the guide roller mechanism 41 and the electric winch 40. Two
It is arranged between the lower portion of the front member 26a and the lower portion of the radiator 24 in the lower portion 25b of the radiator 5. Further, below the electric winch 40, the lower connecting member 2
A lower cover 39 is fixed to the lower surface of the lower cover 26 with screws or the like across the longitudinal direction of the lower members 26b on both sides, as shown in FIG.

Next, with respect to the riding type rough terrain vehicle according to the present embodiment having the above-mentioned structure, the usage of the winch device and the radiator 24 will be described.

As shown in FIGS. 3 and 4, when the riding type four-wheel all-terrain vehicle 1 is temporarily fitted into a wetland or the like, and when the winch device 40 or 41 is used to escape, a guide roller is used. Guide rollers 41a and 41 of the mechanism 41
Pull the tow rope 49 forward from between b and
Since the electric winch 40 is rotated by hooking the tip of the to the fixed object and is wound by the winding portion 40b, the rough terrain vehicle 1 is pulled forward, so that the vehicle can be easily escaped.

The radiator 24 is located far behind the front guard 25 as shown in FIG. 4, but the riding type four-wheeled all-terrain vehicle 1 has many opportunities to travel on rough terrain such as gravel roads. , The lower part 25 of the front guard 25
The net plate 2 for protecting the radiator 24 is provided in the opening of b.
9 is attached to prevent the radiator 24 from hitting an obstacle such as a small stone from the front. On the other hand, the electric winch 40 is provided between the lower portion of the radiator 24 and the lower connecting member 27 that connects the left and right lower members 26b, and is not on the front surface of the radiator 24, and above the air guide plate 32.
The radiator 54 is installed from the front of the vehicle body.
The cooling air guided to the radiator 24 may be directly guided to the radiator 24 without being obstructed by obstacles such as the electric winch 40 and the guide roller mechanism 41, and the cooling performance of the radiator 24 may be impaired by the winch 40 and the like. Absent.

Other Embodiments In addition to the embodiments described above, the present invention can be carried out as follows.

That is, not only the water-cooled engine but also the air-cooled engine may be mounted and the radiator 24 may be omitted.

[0036]

As is apparent from the above description,
The riding type four-wheel all-terrain vehicle according to the present invention has the following excellent effects.

(1) In the invention according to claim 1, since the guide roller mechanism of the tow rope and the electric winch are provided in the front guard and do not project forward,
The winch does not interfere with driving and there is no need for a special guard in front of it. Also, since the front guard is connected to the front end of the body frame, it is highly rigid and sturdy, and even if an obstacle such as a tree branch or rock hits the front guard, the electric winch and guide roll mechanism are Be protected.

(2) Since the winch mounting member is provided by utilizing a part of the front guard as the strength member , the increase in weight and the number of parts can be suppressed to the minimum, and the manufacturing becomes easy. Further, since the winch can be attached to the above-mentioned attachment member without using a dedicated attachment member, even after purchasing a vehicle without a winch, it is possible to easily change to a vehicle with a winch at a low cost.

(3) The guide roller mechanism for guiding the tow rope can be easily arranged without adding special parts.

(4) In the invention according to claim 2 , the winch is provided between the lower part of the radiator and the lower connecting member for connecting between the left and right lower members of the front guard. Since the air guide plate is provided above, the cooling air for guiding from the front of the vehicle body to the radiator can be directly and directly guided to the radiator, so that the cooling performance is not impeded by the winch or the like.

[Brief description of drawings]

FIG. 1 is a left side view showing a riding type four-wheel all-terrain vehicle (so-called ATV “four-wheel buggy”) equipped with a winch device according to an embodiment of the present invention.

FIG. 2 is a plan view showing the riding type four-wheel all-terrain vehicle of FIG.

3 is a front view of the riding type four-wheel rough terrain vehicle of FIG. 1. FIG.

FIG. 4 is a side view showing a part of FIG. 1 in an enlarged manner and in detail.

FIG. 5 is a front view showing an electric winch.

6 (a) is a front view showing a guide roller mechanism of a tow rope, and FIG. 6 (b) is a bottom view of FIG. 6 (a).

FIG. 7 (a) is a plan view of an electric winch and a mounting bracket for a guide roller mechanism, and FIG. 7 (b) is a front view thereof.

FIG. 8 is a perspective view showing an example of a riding type four-wheel all-terrain vehicle equipped with a conventional general winch device, as seen obliquely from the front.

[Explanation of symbols]

1 riding type four-wheel all-terrain vehicle 2 body frame 3 front wheels 4 rear wheels 5 water-cooled engine 10 steering shaft 11 bar handle 20 handle cover 24 radiator 25 front guard 25a upper part 25b lower part 26a Front member 26b Lower member 27 Lower connection member 28 Upper member 32 baffle 39 Lower cover 40 electric winch 41 Guide roller mechanism 45 bracket 49 tow rope

Claims (2)

(57) [Claims] 1. In a riding type four-wheel all-terrain vehicle having a front guard connected to a front end of a vehicle body frame on a front portion of the vehicle, the front guard includes left and right lower wheels of the vehicle body frame.
-Connected to the frame and extended forward from the connection
The left and right lower members and the upper members that extend upward
Left and right front connected to the upper frame of the body frame
Member and a lower connecting member for connecting between the left and right lower members
And a radiator is provided in the front part of the vehicle body frame.
Between the lower part of the radiator and the lower connecting member of the front guard
Behind the front member of the left and right be between, over a guide roller mechanism of the electric winches and tow rope from the rear to the front is disposed in this order, to the lower connecting member of the front guard, said Wynn
Attach the mounting member of the
Mounting part to which the guide roller mechanism can be detachably mounted
A riding type four-wheeled all-terrain vehicle characterized by the integrated provision of a . 2. The guy above the winch.
Extend from the top of the drag mechanism to the bottom of the radiator.
The riding type four-wheel all-terrain vehicle according to claim 1, further comprising a wind guide plate .