JPS59190063A - Reclining device for rocking type car - Google Patents

Abstract

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

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a driving sorting back support device applied to a swinging type vehicle equipped with a swinging frame.

There is a rocking type vehicle that is equipped with three or more wheels and turns while tilting a swinging frame inward in the turning direction.

If a backrest is installed on the driver's seat in this type of vehicle,
The back pad protrudes in both directions, which can get in the way when parking in a narrow space such as a garage or storage room. On the other hand, when parking or stopping, it is necessary to prevent the swinging frame from tipping over and apply the parking brake, but it is troublesome to perform these operations separately, especially when parking or stopping frequently. There is also a risk of forgetting.

The present invention was developed in view of the above circumstances, and it provides a system that prevents the backrest from becoming an obstruction even when parking in a narrow space, and also prevents the user from forgetting to apply the swing lock of the swing frame and the parking brake. An object of the present invention is to provide a swing-type vehicle backrest device that can prevent a swing frame from falling over and the vehicle from being stolen.

In order to achieve this object, the present invention makes the backrest foldable, and when the backrest is folded forward, both the swing lock and the parking brake are activated, so that the backrest can be locked in this state. That is, the swing system includes at least three wheels, a swing frame capable of swinging from side to side, an operator's seat attached to the swing frame, and a swing lock means for regulating the swing of the swing frame. In the mobile vehicle, a backrest that can be folded forward on two sides of the driver's seat, a backrest locking means for restraining the backrest in a forward-folding position, and a backrest locking means that locks the backrest in a forward-folding position; The parking brake is configured to include a locking means and an interlocking means for respectively locking and braking the parking brake. The present invention will be described in detail below based on the illustrated embodiments.

Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is an enlarged view of the main part, Fig. 3 is a rear view of the main part, and Fig. 4 is a sectional view taken along the line IV-IV in Fig. 1. be.

In FIG. 1, reference numeral 10 denotes a swing frame, and a steering shaft cylinder 12
, a downcomer pipe 14, and a pair of left and right side pipes extending rearward and upward from the rear end of the downcomer pipe 14], 6 (16a).

16b), a fuel tank 18 is fixed between the side pipes 16, and a driving seat I.20 is mounted on this tank 18.
is attached so that it can be opened and closed forward and upward using a hinge 21 as a fulcrum. When the seat 2o is opened upward, the oil filler port 22 of the tank 18 is exposed. The steering shaft cylinder 12 includes a steering handle 24;
Front fork 26. One front wheel 28 is held rotatably left and right.

A rear frame 30 includes a housing portion 32 and a support arm 34 extending rearward and upward.

A swing shaft 36 extending rearward substantially horizontally is fixed to the lower part of the front frame 10 between the side pipes 16a and 16b.
A housing portion 32 of the rear frame 30 is rotatably connected to the housing portion 32 of the rear frame 30. Dimensions of how song part 32 and swing shaft 36
A swing locking means 38 having the same structure as a known drum brake is provided between the two (see FIG. 4). A plate 1-40 (first part 1) corresponding to a brake plate is fixed to the swing shaft 36, and a pair of brake shoes 42 (42a, 42b) attached thereto are integral with the housing part 32. It faces the inner circumferential surface of the drum 44 formed in the. A cam lever 48 is fixed to a cam shaft 46 that passes through the plate 40, and by rotating the cam lever 48, the cam shaft 46 presses the brake shoe 42 against the inner surface of the drum 44, applying rocking resistance to the rocking frame 10. and regulate its fluctuation. In addition, 50 in FIG. 4 is a return spring for the brake shoe 42.

In FIG. 1, reference numeral 52 designates an engine unit, and a bracket 54 extending forward is fixed to the front lower part of the engine unit, and the front end of the bracket is pivoted to the housing portion 32. A pair of left and right rear wheels 56 (only one shown) is attached to the rear of the unit 52.

58 is a buffer interposed between the front end of the unit 52 and the support arm 34. Further, 6o is a brake lever for a drum-type rear wheel brake, and this brake also serves as a parking brake.

In FIG. 1, 70 is a backrest located at the rear of the seat 2o. A bracket 72 (72
A, 72b, see FIG. 3) are fixed to the shaft 74, which is stretched between the brackets 72, with a collar 76 sandwiched therebetween.

78b) is rotatably held. The lower ends of support arms 80 (80a, 80b) of the backrest 70 are fixed to the bearing tube 78. The lower end of the support arm 80a is formed into an arc shape that swells downward and forward, and a plurality of engagement holes 82 are provided therein, which are located at the same diameter with the shaft 74 as the center (5). In addition, a lock pin 84 is attached to the bracket 72 a and the locus of these engagement holes 82 . As shown in FIG. 3, this pin 84 is made integrally with a knob 86, and is biased by a coil spring 88 in the direction of engaging into the engagement hole 82. The knob 86 has a built-in lock, and when a key hole 86a (not shown) shown in FIG. 2 is inserted and turned, the protrusion 90 is drawn into the lock bin 84, allowing the lock bin 84 to be pulled out by a predetermined stroke.

At this time, the pin 84 comes out of the engagement hole 82, and the support arm 80 becomes rotatable. Then, when you release your hand from the knob 86, the spring 8
8, the knob 86 returns, and the pin 84 is inserted into the appropriate engagement hole 82.
The support arm 80 is locked. In this way, the retaining hole 82, the plaque 72a, the pin 84, the knob 86, etc., and the back rest locking means 94 for fixing the back rest 70 in the upright position and the forward position are formed. In addition, when the backrest 70 is in the forward position (imaginary line in Fig. 1), the backrest 70 is
0 to restrict the opening movement of the hinge (6) 21 of the seat 20. Therefore, when a fuel tank filler port or a storage compartment is provided under the Sea I-20, tampering with the fuel tank or theft of items stored in the storage compartment can be prevented. The bracket 72a is not provided with a tongue 96 (FIG. 3) extending rearward of the support arm 80a, but the support arm 80a is provided with a protrusion 98 that abuts the tongue 96 in its forward position. These tongue portions 96 and raised flaps 98 form a hanger for hanging the helmet.

The backrest 70, the swing locking means 38, and the interlocking means 100 with the parking brake are constructed as follows. Support arm 8
A lever 102 is fixed to the bearing cylinder 78a of Oa, and one end of a wire 104 is locked to the rotating end of the lever 102. The forward and backward movement of wire 04 is transmitted to two wires 1, 08, and 1.10 by a distributor 106. wire 1
08 is connected to the cam lever 48 via a tension spring 112, and a wire 110 is connected to the brake lever 6 as shown in FIG.
It is connected to 0.

This embodiment works as follows. When the backrest 70 is in the upright position, the wires 1.04, 1. Os, 110 is loosened, and neither the swing locking means 38 nor the parking brake is effective, so normal driving is possible. Pull out the knob 86 to release the backrest locking means 94, and then move the backrest 70 to the seat 1-20.
If you tilt it forward to the second position, the wires 104, 108, and 110 will be pulled together. When the backrest locking means 94 is locked in this position, the swing locking means 38 is held in the locked state and the parking brake is also held in the braking state.

In this embodiment, the interlocking means 100 is formed of a wire, but of course it may be constructed electrically using an electric switch, an electromagnetic solenoid, or the like. 1 backrest locking means 94
The lock provided on the knob 86 may also serve as a main key switch for the vehicle's electrical system. The backrest of the present invention can be of various heights, including those that support the lower part of the back like the one shown in FIG. 1, those that support the waist area, and those that support the entire back.

As described above, the present invention allows the backrest to be locked in the forward position, making it convenient for parking and stopping in narrow spaces. Sword 1
When the backrest is folded forward, the swing frame can be locked and the parking brake can be applied at the same time, so only one operation is required.The backrest is easily visible and it is obvious whether it is standing or falling down. With this, you will never forget these operations. Therefore, there is no need to worry about damaging the vehicle body by knocking down the swing frame, or having the vehicle body moved while parked or stolen.

[Brief explanation of the drawing]

Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is an enlarged view of the main part, Fig. 3 is a rear view of the main part, and Fig. 4 is taken along the line IV-IV of Fig. 1.
FIG. 10... Swinging frame, 20... Driving seat, 38
... Swing locking means, 70... Backrest, 94...
Backrest locking means, 100... interlocking means. Patent applicant Yamano Motor Co., Ltd. Representative patent attorney
Mountain 1) Yu Fumi (9)

Claims (1)

[Claims] 7. A rocking device comprising at least three wheels, a rocking frame capable of swinging from side to side, a driving seat attached to the rocking frame, and a rocking lock means for regulating rocking of the rocking frame. In the above-mentioned vehicle, there is provided a backrest that can be folded forward on the upper surface of the driver's seat, a backrest locking means for restraining the backrest in the forward position, and a swinging locking means and a parking locking means that are interlocked with the previous operation of the backrest. A rocking type vehicle backrest device comprising interlocking means for respectively locking and braking the brakes.