JPS63106190A - Radiator disposal structure of uneven-ground travelling car - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a radiator arrangement structure for an all-terrain vehicle.

(Problems to be solved by the prior art and the invention) Left and right main pipes extend back and forth at left and right intervals and are connected at their rear ends; The center roll bar has a substantially gate-shaped center roll bar, and a rear roll bar that connects the rear end of the main pipe and the upper end of the center roll bar, and a driver's seat is provided inside the left and right main pipes in front of the center roll bar. An all-terrain vehicle in which an engine is mounted in the lower part of the inner space of the left and right main pipes behind the bar is disclosed, for example, in Japanese Utility Model Application Publication No. 80-134042.

When such an off-road vehicle uses a water-cooled engine, the location of the radiator becomes a problem.

That is, since a vehicle traveling on rough terrain travels on rough terrain, it is desirable that the radiator be disposed at a location that is particularly protected from the outside, and is also advantageous for maintenance.

The present invention has been devised in view of the above-mentioned circumstances, and an object of the present invention is to provide a radiator arrangement structure for an all-terrain vehicle that can protect the radiator from the outside and also allow the radiator to be installed at a location that is advantageous for maintenance. is to provide.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides a center roll bar (21) and a center roll bar (21) located behind the point where the center roll bar (21) is erected in the main pipe (15). part(
The radiator (4B) is installed in the space (53) defined by the main pipe (15c) and the rear roll bar (23).
15) side or attached to the center roll bar (21) (II).

(Function) The radiator (4
3) can be protected from the outside.

The radiator (48) is located behind the driver's seat (7) and the engine (
Since it is located above the radiator (49), it is easy to maintain the radiator (49), and even if the rear roll bar (23) etc. are configured to be removable, the radiator (49)
9) There is no need to remove it, which is advantageous for maintenance.

(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is a side view of the uneven running vehicle, Fig. 2 is an open plan view, Fig. 3 is a rear view of the same, Fig. 4 is an enlarged side view of the radiator section, Fig. 5 is an enlarged plan view, Fig. 6 shows an enlarged rear view of the same.

(1) is a vehicle that travels on rough terrain, (3) is a front wheel, (5) is a rear wheel, (7) is a driver's seat, (8) is a steering wheel, and (11) is a water-cooled engine. ) car body frame (
13) is a main pipe (15), (
15), seat side pipes (17), which extend forward and backward below the main pipe (15), and whose rear ends connect to the rear of the main pipe (15), and the main pipe (15). Front roll bar (19) made of round pipe arranged above, center roll bar (21),
It is equipped with a rear roll bar (23), etc.

The center roll bar (21) is erected in a substantially portal-shaped manner from the longitudinal middle part of the left and right main pipes (15),
A), (21A), left and right legs (21A), (2
1A) Consists of an upper part (21B) connecting the upper ends. In the embodiment, connecting portions (21G) are provided at the intermediate portions of the left and right legs (21A) and (21A), respectively, and the center roll bar (21
) in the connecting portion (21C:), the portion above (21C) is configured to be removable.

A roof pipe (25) and a side pipe (27) are attached to the upper front part of the center roll bar (21), and a connection is made between the front parts of the left and right main pipes (15), (15) and the front part of the roof pipe (25). Front roll bar (19), (1
9), and each front roll bar (19) is configured to be removable by connecting portions (19A), (19A).

The left and right upper part (21B) of the center roll bar (21) and the left and right cross part (15A) of the main pipe (15) are connected by bridge roll bars (23), (23), and each rear roll bar (23), (23) is the connecting part (23A)
, (23A) is configured to be detachable.

A sea seat (29) is arranged in a space defined by the left and right main pipes (15), (15) and the left and right seat side pipes (17), (17) in front of the center roll bar (21). and a driver's seat (7).

Connect the rear ends of each seat side pipe (17), (17) and the main pipe (15), (15) with lower pipes (31), (31), and connect the left and right main pipes (1
5).

Rear lower pipe (31) at the bottom of the inner space of (15)
.

(31) supports the engine (11).

The engine (11) consists of a transmission case (IIA) and a cylinder (
IIB), and a fuel tank (33
), an air cleaner (35) is installed, and an air cleaner (35) is installed.
5) and the cylinder (IIB) of the engine (11).
37) Intake through? Connect with (39). Exhaust pipe(
41) is made to protrude forward from the cylinder (IIB), and the exhaust pipe (
A muffler (43) connected to the chamber (41) is located in the inner space of the main pipe (15) on the left side of the engine (11) and extends rearward.
5) are arranged behind the engine (11) facing left and right.

The left and right main pipes (15) and the rear parts of (15) are connected by a cross pipe (47).
) are the left and right legs (
47A), (47A) and the legs (47A), (47A)
) and a cross section (47B) connecting the upper ends.

Then, connect the radiator (49) to the cross pipe (47).
Attach the left and right brackets (51) to the cross part (47B) of (
51), the radiator (48) is attached to the center roll bar (21), and a portion (15G) rearward of the point where the center roll bar (21) is erected in the main pipe (15); It is disposed substantially vertically with the front surface facing forward in a space (53) defined by the rear roll bar (23).

In the embodiment, since the radiator (49) is arranged on the left side of the upper part of the air cleaner (35), the radiator (48) is arranged closer to the left end than the center of the cross section (47B).

The radiator (43) has upper and lower tanks (49A), (4
9B), a radiator core (49C), etc., and a cooling fan (59) consisting of a fan (55), a fan cover (57), etc. is disposed on the rear side of the radiator (49).

Radiator (4S) upper tank (49A) and lower tank (
49B) has a hose (81) on the engine (11) side,
(83) and connect the cooling water heated by the engine (11) to the hose (61) and the upper tank (49A).
, a radiator core (49G), a lower tank (49B), and the cooled cooling water is supplied to the water pump side of the engine (11) via a hose (83). ) indicates the water supply port.

Since this embodiment is configured as described above, the radiator (48) can be protected from the outside by the existing frame members (15), (21), and (23) without increasing the number of parts. be able to.

Furthermore, since the radiator (48) is located above the engine (11), maintenance of the radiator (49) can be easily performed.

In addition, in the example, the radiator (4S) is connected to the cross pipe (
47) and attached to the main pipe (15) side, there is no need to remove the radiator (49) each time when attaching or detaching the rear roll bar (23) or center roll bar (21). , which is advantageous in terms of maintenance.

Next, a second embodiment of the present invention will be described with reference to FIGS. 7 to 11.

Figure 7 is a side view of the vehicle traveling on rough terrain, Figure 8 is a plan view of the same,
FIG. 9 is a rear view of the same, FIG. 10 is an enlarged side view of the radiator portion, and FIG. 11 is an enlarged rear view of the same.

To explain by attaching the same numbers to the same parts and parts as in the first embodiment, in the second embodiment, the radiator is divided into two parts, and each radiator (149) and (149) are arranged in upper and lower sections. The difference from the first embodiment is that the brackets (151) and (151) are attached to the lower part of the legs (21A) of the center roll bar (21), and the front surface of each radiator (149) is faced forward. It is similar to the embodiment described above in that it is disposed substantially vertically within the space (53), and the same effects as in the embodiment described above can be obtained.

In the second embodiment, since the radiator is divided into two parts, the upper tank (149A) of each radiator (149)
Connect between them with a hose (101), and
Connect the upper part of Ii (IIB) and the upper tank (149A) of each radiator (149) with hoses (181) and (let)
Connect with the lower tank (149) of each radiator (149).
B), (149B) and the water pump suction side of the engine (11) with the hose (IEi3), (183)
Connect the water pump discharge port side to the cylinder (IIB
) side with a hose (164). The coolant whose temperature has been raised by the engine (11) is then transferred to the left and right hoses (181), (181) and the left and right radiators (149).
, (149), then hoses (163), (1
83) The water was circulated to the engine (11) using a water pump and a hose (184).

(Effects of the Invention) As is clear from the above description, the radiator arrangement structure according to the present invention can protect the radiator from the outside and is advantageous in terms of maintenance.

[Brief explanation of the drawing]

Figure 1 is a side view of the vehicle traveling on rough terrain, Figure 2 is a plan view of the same,
Fig. 3 is a rear view of the same, Fig. 4 is an enlarged side view of the radiator section, Fig. 5 is an enlarged plan view of the same, Fig. 6 is an enlarged rear view of the same, Fig. 7 is rough terrain driving according to the second embodiment. Vehicle side view, No. 8
9 is a plan view of the same, FIG. 9 is a rear view of the same, FIG. 10 is an enlarged side view of the radiator portion, and FIG. 11 is an enlarged rear view of the same. In the drawing, (3) is the front wheel, (5) is the rear wheel, and (7) is the front wheel.
[, (11) is the engine, (15) is the main pipe, (
21) is a center roll bar, (23) is a rear roll bar, and (49) and (149) are radiators. Patent applicant: Agent for Honda Motor Co., Ltd.
Patent Attorney Part 2 1) Yong-Immediate Question Patent Attorney
Kuni Ohashi Contents Patent Attorney Small
Yama Yuyuki Patent Attorney No 1)
ShigeruFigure 2Figure 1Figure 3Figure 7Figure 9

Claims (1)

[Scope of Claims] Left and right main pipes extending front and rear with intervals left and right and connected at their rear ends, and a substantially gate-shaped center roll bar erected from the longitudinal middle part of the left and right main pipes. , a rear roll bar connecting the rear end of the main pipe and the upper end of the center roll bar, a driver's seat is provided inside the left and right main pipes in front of the center roll bar, and a driver's seat is provided inside the left and right main pipes behind the center roll bar. In an all-terrain vehicle with a water-cooled engine mounted in the lower part of the inner space, the center roll bar and a portion of the main pipe rearward of the point where the center roll bar is erected;
A radiator arrangement structure for an all-terrain vehicle, characterized in that a radiator is installed on a main pipe side or on a center roll bar side in a space defined by a rear roll bar.