JPH0732348Y2 - Front body structure of seated buggy car - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a front body structure of a seated buggy vehicle, and in particular,
The present invention relates to a front body structure of a seated buggy vehicle equipped with a water-cooled engine in which a radiator is installed at the front of the body.

[Conventional technology]

A three-wheel or four-wheel buggy vehicle is used as a vehicle suitable for traveling on farmland or wasteland.

This buggy vehicle is a riding type buggy vehicle that straddles a saddle type seat mounted on the upper part of the vehicle body and holds a bar handle to drive, and a floor and a seating seat are provided in the center of the vehicle body, and a sitting round seat is used to hold a round handle. It can be divided into seated buggy vehicles that drive.

The riding type buggy car is mainly used as a leisure bike, but the sitting type buggy car is also used for transporting various equipment and food in farmland or wilderness,
Usually, a carrier (cargo) is provided on the rear side of the seat.

The present invention is directed to a front two-wheel seated buggy vehicle, which is a seated buggy vehicle equipped with a water-cooled engine having a radiator mounted on the front part of the vehicle body, and relates to improvement of the front body structure.

[Problems to be solved by the device]

By the way, as this type of buggy car, the front wall of the driver's seat provided in the center of the vehicle body is formed, and the dash panel having the mudguards on the left and right to cover the rear of the front wheels and the upper surface of the front of the vehicle body are covered. A hood and left and right fenders that hang down to shield the insides of the left and right front wheels from the bonnet and are connected to the dash panel at the rear end, and the dash panel, the bonnet, and the left and right fenders Some have a front body structure in which a radiator is mounted in an enclosed space.

Such a front body structure of a buggy vehicle is disclosed, for example, in Japanese Patent Application No. 61-200484 of the present applicant.

However, in this conventional body structure, it is difficult to allow the cooling air introduced into the radiator to flow smoothly from the inlet to the outlet in a natural flow state, and the rotation of the front wheels causes dust and the like. The air around the fender becomes turbulent due to the rotation of the front wheels and the dust and the like may adhere to the occupant.

[Means for Solving the Problems]

The present invention has been made in view of the above-mentioned prior art, and an object of the present invention is to have a simple configuration and to allow radiator cooling air to smoothly flow in a natural state from an inlet to an outlet, and By letting the cooling air flow from the rear part of the fender at a high speed at a high speed, it is made turbulent by the rotation of the front wheels, and the air at the rear part of the fender including dust and the like that is rolled up by the front wheels is rectified to the side of the vehicle body. (EN) Provided is a front body structure of a seated buggy vehicle which can be discharged toward the passenger and can reduce adhesion of dust and the like to an occupant.

The present invention is a dash panel that forms the front wall of the driver's seat in the center of the vehicle body, a bonnet that covers the upper surface of the front of the vehicle body, and a hood that hangs from the bonnet so as to shield the inside of the left and right front wheels. A seated buggy vehicle equipped with a water-cooled engine equipped with a radiator in a space surrounded by the dash panel, the bonnet, and the left and right fenders, and the dash. The panel is provided with a side wall portion that is bent rearward from both sides of the front wall portion, and a mudguard portion that extends from the rear portion of the side wall portion through the curved surface to the rear side of the front wheel. A gap is formed between the rear portion and the side wall portion of the dash panel that opens into the space and is gradually narrowed toward the rear. The cooling air outlet is made, by adopting a configuration in which arranged in the vicinity of the inner start of the curved surface leading to the fender part of the dash panel, it is to achieve the above object.

〔Example〕

 Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 3 shows a left side surface of a seated buggy vehicle having a front body structure according to the present invention, and FIG. 4 shows a plane of FIG.

In FIG. 3, a suspension is provided at the front of the frame 10.
Front and rear steering wheels through 12 (usually balloon tires)
A rear wheel (usually a balloon tire) 16 as a driving wheel is attached to a rear portion of the frame 10 via a shaft support or a suspension.

A handle column 18 for steering the left and right front wheels 14, 14 via a rack and pinion mechanism or an Ackermann mechanism (not shown) is pivotally supported at the front portion of the frame 10, and a round handle 20 is provided at the upper end of the column 18. Installed.

In FIGS. 3 and 4, a floor 22 and a seat 24 are attached to the center of the frame 10, and a driver sits on the seat 24 and grips the round handle 20 to drive. The illustrated seat 24 is provided with a backrest 26.

A carrier 28 is attached to the frame 10 at the rear side of the seat 24.

In FIG. 3, an engine unit for driving rear wheels 16, 16 is provided in a space below the carrier 28 of the frame 10.
30 is installed.

The engine unit 30 is configured by integrally assembling an engine, a transmission, a differential and the like.

The engine is a water-cooled engine.

3 and 4, armrests projecting to both sides of the seat 24 on both sides of the front end of the carrier 28.
32 is fixed.

FIG. 5 shows the frame of the buggy vehicle of FIGS. 3 and 4.

In FIG. 5, the frame 10 includes left and right main frames 34A, 34B extending in the front-rear direction and a plurality of cross members 36.
In addition to connecting with A, 36B, 36C and 36D, the main members 34A and 34B and the reinforcing members 40A and 40B are further combined to form a frame base, and the handle column 18 (Fig. 3) and Front suspension 12 (Fig. 3), front support assembly used to mount bonnet, dash panel, etc.
42, a seat support member 44 and a carrier support member 46 are fixed by welding or the like.

The seat support member 44 includes the seat 24
(FIG. 3) is attached, and the carrier 28 (FIG. 3) is attached to the carrier support member 46.

The engine unit 30 for driving the rear wheels 16, 16 is mounted in the space below the carrier support member 46 (FIG. 5).

The left and right main members are on the lower side of the front of the frame 10.
A skid plate 48 is provided between 34A and 34B to protect the vehicle body and prevent muddy water from entering.

FIG. 6 is an exploded perspective view of a bonnet, a dash panel and a front fender which are attached using the front support assembly of the frame 10 of FIG.

In FIGS. 3, 4, and 6, the bonnet 50 is a cover member that covers the upper surface of the front portion of the vehicle body (including the left and right front wheels 14, 14) and can be made of plastic or steel plate.

Further, the dash panel 52 forms a front wall (protection wall) of the driver's seat (floor 22 and seat 24) at the center of the vehicle body, and in the illustrated example, covers the rear of the left and right front wheels 14, 14. The mudguards 54, 54 are formed. The dash panel 52 is usually made of a molded plastic product.

In FIGS. 3, 4, and 6, the left and right front fenders 56, 56 hang down from the lower surface of the hood 50 through the inside of the left and right front wheels 14, 14 (FIG. 1).
It has a function of shielding the inside of the vehicle 10 from the front wheels 14, 14.

The front fenders 56, 56 can be made of molded plastic or rubber, for example.

The rear end portions of the left and right front fenders 56, 56 are appropriately connected to the dash panel 52, and the front surface of the front part of the frame 10 is surrounded by the left and right front fenders 56, 56, the hood 50, and the dash panel 52, and is attached to the front surface. Space A with an opening
(Figs. 1 and 2) are formed, and a radiator 60 (Figs. 1 and 2) is installed in the space A (Figs. 1 and 2).

FIG. 1 shows a horizontal section (line 1-1 in FIG. 2) of an embodiment of a front body structure of a seated buggy vehicle according to the present invention, and FIG. 2 shows a partially broken right side surface of FIG. Indicates.

1 and 2, a radiator 60 is mounted in a space A on the front upper surface of the frame 10, that is, a space A surrounded by the bonnet, the dash panel 52 and the left and right front fenders 56, 56.

This radiator 60 has a structure in which a screen 64 having a mudguard function constituted by arranging a plurality of air guide plates is attached in front of a radiator main body (heat dissipation portion) 62, and the rear side of the radiator main body 62. Is provided with a fan 66 for forcibly introducing cooling air.

When the vehicle is traveling, the traveling wind from the front flows in from the front opening of the space A as shown by the arrow, hits the heat radiating portion 62 after passing through the screen 64, and cools the engine cooling water circulating in the heat radiating portion 62. .

Therefore, according to the present invention, as shown in FIGS. 1 and 2, a gap B is formed between the rear end edge 56A of the right front fender 56 and the dash panel 52, and the gap B is formed.
This forms a passage for radiator cooling air.

In the illustrated example, the cooling air that has passed through the gap B flows along the mudguard portion 54 of the dash panel 52 and then is discharged to the outside as shown in FIG.

The interval and height of the gap B, that is, the flow passage area of the gap B is set in consideration of the required cooling air volume or whether or not there is another exhaust port.

In the illustrated example, the gap B is provided only on the rear edge portion of the right front fender 56, but the gap B may be provided on the left side or, in some cases, on both sides.

According to the front body structure of the seated buggy vehicle described above with reference to the drawings, the following effects can be obtained with a simple configuration.

First, since the cooling air outlet is arranged at the place where the curved surface connected to the mudguard portion 54 provided on the side of the dash panel 52 starts, the cooling air that flows out is smoothed along the curved surface of the mudguard portion 54. It can be a simple flow.

In addition, since the gap B forming the passage from the radiator installation space A to the cooling air outlet is gradually narrowed toward the outlet, it is possible to minimize the increase in flow resistance while minimizing the increase in flow resistance. At the end (cooling air outlet), the flow velocity of the cooling air can be increased by the Venturi effect, and the space A
It is possible to smoothly flow the radiator cooling air inside from the inlet to the outlet in a natural state.

Further, a high-velocity airflow is generated by the venturi effect from the cooling air outlet in the front wheel housing space (tire house) formed by the fender 56 and the mudguard portion 54,
Since this air flow flows along the wall surface of the mudguard portion 54 to the side of the vehicle body along with the traveling wind, it becomes a turbulent state due to the rotation of the front wheels, and moreover the rear part of the fender including dust and the like that is rolled up by the front wheels. The air can be made to flow out toward the side of the vehicle body while being in the rectified state, whereby it is possible to reduce the adhesion of dust and the like to the occupant.

[Effect of device]

As is apparent from the above description, according to the present invention, the dash panel that forms the front wall of the driver's seat provided in the center of the vehicle body, the bonnet that covers the upper surface of the front portion of the vehicle body, and the left and right front wheels A water-cooled engine that includes a left and right fender that hangs down so as to shield the inside and is connected to the dash panel at a rear end, and a radiator is mounted in a space surrounded by the dash panel, the bonnet, and the left and right fenders. In a mounted seated buggy vehicle, the dash panel has a side wall portion which is bent rearward from both sides of the front wall portion and a mud which extends from the rear portion of the side wall portion through a rear side of a front wheel through a curved surface. A shelter portion is provided, and a gap between the rear portion of the fender and the side wall portion of the dash panel that opens into the space and is gradually narrowed toward the rear. Is formed, and the cooling air outlet formed by the rear end opening of this gap is arranged in the vicinity of the inside start portion of the curved surface connected to the mudguard portion of the dash panel, so a simple configuration Thus, the radiator cooling air can be smoothly circulated from the inlet to the outlet in a natural state, and the cooling air can be discharged from the rear part of the fender at a high speed at a high speed so that turbulent flow is caused by the rotation of the front wheels. The air in the rear part of the fender that is kept in a state of being swirled up by the front wheels can be discharged toward the side of the vehicle body while rectifying the air, and it is possible to reduce the adhesion of dust and the like to the occupants. A front body structure for a seated buggy vehicle is provided.

[Brief description of drawings]

1 is a horizontal sectional view of a front body structure of a seated buggy vehicle according to the present invention, FIG. 2 is a partially cutaway right side view of FIG. 1, and FIG.
1 is a left side view of a seated buggy vehicle having a front body structure shown in FIG. 1, FIG. 4 is a plan view of FIG. 3, and FIG. 5 is a perspective view of a frame of the buggy vehicle of FIG. FIG. 1 is an exploded perspective view of covers of the front body structure shown in FIG. 10 …… Frame, 20 …… Round handle, 24 …… Seating seat, 30 …… Water-cooled engine unit, 50 …… Bonnet,
52 …… Dash panel, 54 …… Mudguard part, 56 …… Front fender, 60 …… Radiator, A …… Space, B ……
Gap.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location B62J 39/00 L

Claims (1)

[Scope of utility model registration request] 1. A dash panel which forms a front wall portion of a driver's seat provided in a central portion of a vehicle body, a bonnet which covers an upper surface of a front portion of the vehicle body, and a dangling panel which hangs from the bonnet so as to shield the insides of left and right front wheels. A seated buggy vehicle equipped with a water-cooled engine equipped with a radiator in a space A surrounded by the dash panel, the bonnet, and the left and right fenders, the left and right fenders being connected to the dash panel at a rear end portion, On the dash panel (52), a side wall portion that is bent rearward from both sides of the front wall portion and a mudguard portion (54) that extends from the rear portion of the side wall portion through a curved surface through the rear side of the front wheel. )
Is provided between the rear portion of the fender (56) and the side wall portion of the dash panel (52) to form a gap B that opens into the space A and gradually narrows toward the rear. A seating type characterized in that a cooling air outlet formed by a rear end opening of B is arranged in the vicinity of an inside start portion of the curved surface connected to the mudguard portion (54) of the dash panel (52). Front body structure of a buggy car.