JPH05276B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a golf car equipped with a brake device.

[Prior Art] For example, some golf cars transmit power from a prime mover to left and right rear wheel drive shafts.

In such golf cars, the brake rotating body of the braking device is provided on the rear wheels or the rear drive shaft, and this brake rotating body is braked by a brake friction member supported by a fixed body provided on the vehicle body side. That's what I do.

[Problems to be Solved by the Invention] As described above, in a brake system in which the brake rotating body is provided on the rear wheels or the drive shaft of the rear wheels, in order to equally brake the left and right rear wheels, it is necessary to It is necessary to provide independent brake devices for each rear wheel, making the structure complicated.

Furthermore, there are cases where it is desired to use the space near the drive and rear wheels for purposes other than braking. for example,
A floor is disposed between the left and right rear wheels, and when a passenger such as a passenger car rides and stands on this floor, the floor space is limited due to the provision of a brake device.

Therefore, in order to secure floor space,
Increasing the distance between the rear wheels increases the width of the vehicle, and golf courses have road surfaces that limit the width of the vehicle, and when storing a golf car in a storage space, a lot of space is required. There are problems with widening the spacing.

This invention was made in view of these circumstances, and aims to provide a golf car that can ensure a wide floor space for passengers to stand on, has a simple structure, and has equal braking on the left and right rear wheels. .

[Means for Solving the Problems] In order to solve the problems described above, the present invention provides a system for transmitting power from a prime mover to a differential disposed between left and right rear wheels and a drive connected to both left and right sides of the differential. A golf car in which power is transmitted to the rear wheels via a shaft, a space including both sides and rear of the differential is provided with a floor on which an occupant can ride in a standing state, and a rotating shaft constantly interlocking with the drive shaft. is provided forward of the floor, a brake rotating body is provided on the rotating shaft, and a brake friction member that slides on the brake rotating body is supported by a fixed body attached to the vehicle body.

[Function] In the present invention, the brake rotating body is provided on the rotating shaft that always rotates in conjunction with the drive shaft, so that the brake device is located away from the drive shaft and the rear wheels. Therefore, since this brake device is not placed near the drive shaft or the rear wheels, a wide floor space for the occupants to stand on can be secured, and the braking of the left and right rear wheels can be equally achieved with a simple structure.

[Example] Hereinafter, an example of the present invention will be described in detail based on the accompanying drawings. Fig. 1 is a perspective view of a golf car to which this invention is applied, Fig. 2 is a side view thereof, and Fig. 3 is a perspective view of a golf car to which the present invention is applied.
The figure is a plan view, and FIG. 4 is a sectional view of the brake device.

A one-seater four-wheeled golf car 1 used at a golf course has front wheels 2 and rear wheels 3 disposed at the front and rear of the vehicle body, and a prime mover 4 that drives the rear wheels 3 in the center thereof.
is installed.

A starter dynamo 5 is arranged in front of the prime mover 4, and its output is transmitted to the crankshaft of the prime mover 4 via a belt 6. The output of the prime mover 4 is transmitted to a transmission 8 housed in a case 7 via a V-belt 9. The gears are changed by this transmission 8, and then the left and right rear wheels 3 are
The signals are transmitted to the drive shafts 11 connected to the respective drive shafts 11 .

This drive shaft 11 is rotatably supported by an axle housing (not shown), which is welded to the case 7 and extends in the vehicle width direction, and is supported by a bracket 13 of the vehicle body frame 12 via a rubber damper (not shown). .

A connecting pipe 15 is connected between the body frames 12, and a bracket 14 fixed to the connecting pipe 15 supports a mounting portion 16 at the front center of the case 7 via a rubber damper (not shown).

On the rear side of the vehicle, there is a floor 17 between the left and right rear wheels 3.
However, its left and right sides are welded and fixed to the vehicle body frame 12. The front side of this floor 17 extends to the lower side of the drive shaft 11 of the rear wheel 3 so that the driver's feet can fit therein, and the rear side slightly protrudes behind the rear wheel 3. The rear end portion of the vehicle body cover 18 is located at its center portion 18.
10 parts of the differential at a, 1 part on each side of it
8b covers the drive shaft 11 from above, the tip extends from the rear to below the drive shaft 11, and covers above the part of the floor 17 where the toes of the feet enter.

In this way, the floor 17 on which the occupant can ride while standing is provided in a space including both sides and rear of the differential 10, and a large space on the floor 17 for the occupant to stand is secured.

A main shaft 19, which is a rotating shaft constituting the transmission 8, protrudes from the case 7 in the vehicle width direction, and this main shaft 19 always moves in conjunction with the drive shaft 11. A brake device 20 is attached to the main shaft 19.
As shown in FIG. 4, a disc 21, which is a brake rotating body constituting the brake, is spline-engaged so as to be rotatable as one unit.

Caliber 22 which is a fixed body of brake device 20
is fixed to the case 7 with a tightening bolt 23, and this calibar 22 straddles the outer periphery of the disk 21.
A pad 24, which is a brake friction member, is arranged inside the caliper 22 to face the braking surface of the disc 21. The pad 24 on the case 7 side is fixed to the caliper 22, and the pad 24 on the other side is movable to the caliper 22. The shaft portion 2 of the back plate of this pad 24 is supported.
5 is inserted into the pushing member 26 so as to be movable in the axial direction. This pushing member 26 is screwed onto the caliper 22 via a square three-thread screw, and a lever 27 is engaged with the head of the pushing member 26. The pushing member 26 is provided with an adjuster bolt 28, which adjusts the braking gap between the disc 21 and the pad 24.

The lever 27 is connected via a brake wire 29 to a brake lever 31 provided on the left side of a bar handle 30, and also to a parking brake lever (not shown) via a brake wire.

The accelerator lever 3 is on the right side of the bar handle 30.
2 is provided.

A loading platform 34 on which a golf bag 33 is placed is provided on the front side of the vehicle body, and a support bar 35 for supporting the upper part of the golf bag 33 is supported by a stay 36 fixed to the vehicle body in front of the rear wheel 3.

Next, the operation of this embodiment will be explained.

When driving golf car 1, floor 17
When the driver stands on the vehicle and puts the power switch in the running state, and in this state pulls the accelerator lever 32 forward with his right hand, the starter dynamo 5 is driven and the prime mover 4 is started. The output of the prime mover 4 is transmitted from the output shaft to the belt 9.
The signal is transmitted to the transmission 8 via the transmission 8, the transmission 8 changes the speed, and the signal is transmitted via the differential 10 to the drive shaft 11 to drive the rear wheels 3.

When the brake lever 31 is operated during this running, the lever 27 of the brake device 20 is pulled by the brake wire 29, and the pushing member 26 moves forward to the left in FIG. 4 to bring the pad 24 into sliding contact with the disk 21. As a result, the disc 21 moves on the main shaft 19 of the transmission 8 and slides into contact with the pad 24 on the case 7 side to perform braking, thereby equally braking the left and right rear wheels 3. The structure is simplified since there is no need to provide independent brake devices for the left and right rear wheels 3.

Further, the brake device 20 has a disk 21 provided on the main shaft 19 of the transmission 8, and brakes the main shaft 19 with a pad 24. The brake device 20 is located in front of the drive shaft 11 of the rear wheel 3. do. Therefore, the floor 17 is connected to the drive shaft 1.
From the rear of 1 to the lower position, both sides can be located close to the rear wheel 3. Further, the rear center portion 18a of the vehicle body cover 18 is connected to the differential 1.
0, both sides 18b cover the rear from the top of the drive shaft 11, and are arranged all the way to the bottom of the drive shaft 11, so that the brake device 20 is placed on the floor 17 on which the rear wheels 3 and the drive shaft 11 are placed. axis 1
Since it is not placed at 1, it can be made wider.

Although the caliper 22 in the above embodiment is fixed to the case 7 of the transmission 8, it may be fixed to the vehicle body frame. Further, although the above embodiments have been described with respect to a disc brake device, the present invention can be similarly implemented in a drum brake device.

[Effects of the Invention] As described above, the present invention provides a floor on which a passenger can ride while standing in a space including both sides and rear of the differential, and furthermore, a rotating shaft that is constantly interlocked with the drive shaft is mounted on the floor. Placed further forward,
A brake rotor is provided on this rotary shaft, and the brake friction member that slides on the brake rotor is supported by a fixed body attached to the vehicle body, so the brake device is not placed near the drive shaft or the rear wheels. In addition, it has a simple structure that provides a wide floor space for the occupants to stand on, and does not require separate braking devices for the left and right rear wheels, making it possible to apply braking equally to the left and right rear wheels.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a golf car to which the present invention is applied, Fig. 2 is a side view thereof, Fig. 3 is a plan view, and Fig. 4 is a perspective view of a golf car to which the present invention is applied.
The figure is a sectional view of the brake device. 3...Rear wheel, 7...Case, 8...Transmission, 10...Differential, 11...
... Drive shaft, 12 ... Body frame, 17 ... Floor, 18 ... Body cover, 20 ... Brake device, 21 ... Disk, 22 ... Caliper, 31
...brake lever.

Claims (1)

[Claims] 1. In a golf car in which power from a prime mover is transmitted to the rear wheels via a differential disposed between the left and right rear wheels and a drive shaft connected to both left and right sides of the differential, the differential A floor is provided in a space including both sides and the rear where a passenger can ride while standing, a rotating shaft that is always interlocked with the drive shaft is provided in front of the floor, a brake rotating body is provided on this rotating shaft, and this brake A golf car characterized in that a brake friction member that slides on a rotating body is supported by a fixed body attached to the vehicle body.