JPH0321553A - Front/rear wheel interlocked parking brake device of vehicle - Google Patents

Abstract

PURPOSE:To enhance the operating easiness by installing a parking brake lever, which is coupled with a rear-wheel brake device, beside a hand brake lever for front wheels mounted on the steering wheel, and providing simultaneous operability for the front-wheel and rear-wheel brake devices with the hand brake lever. CONSTITUTION:When a vehicle 1 for running on irregular road is to be parked, a detent pin 21 provided at a parking brake lever 19 is depressed against the action of a spring 22, and the lower half of this pin is detained with detaining hole 7a formed in a brake lever 7. If in this condition the brake lever 7 is grasped and turned round a bolt 18, the parking brake lever 19 is rotated together with the brake lever 7 in the same direction round a bolt 20, and thereby wires 9, 14 are pulled at the same time to accomplish simultaneously actuation of a front-wheel and a rear-wheel brake device 4, 5. Then a lock lever 25 is turned against the action of a spring 27 to put a detaining groove 25a therein in detention with a pin 24, which will lock the two brake levers 7, 19.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention maintains this state by simultaneously operating a front wheel flaking device and a rear wheel braking device by operating a single hunt brake lever during parking. This article relates to a parking brake system that links the front and rear wheels of a vehicle. (Prior art) For example, in vehicles for traveling on rough terrain, is there a parking rake that operates only the rear wheel brake system? There is a desire to operate it.

(Problem to be solved by the invention) However, if you try to operate the front wheel brake device and the rear wheel brake device separately and lock them separately, the structure becomes complicated and the parking brake operation becomes complicated. There is a problem that we cannot obtain . The present invention has been made in view of the above-mentioned problems, and its purpose is to provide front wheel brakes by operating a single hunt brake brake for bark kink sowing without making any major modifications to the existing brake system. To provide a front and rear wheel interlocking parking brake device for a vehicle capable of simultaneously and easily operating a brake device and a rear wheel brake device and maintaining the operating state.

(Means for Solving the Problems) In order to achieve the above object, the present invention includes a parking brake brake connected to a rear wheel brake device installed in parallel with a front wheel brake brake provided on the handle, or a parking brake lever connected to a front wheel brake device is arranged in parallel with a rear wheel hunt flake lever provided on the handle, and interlocking means for interlocking the parking brake lever with the actuation operation of the hand brake lever; Its feature is that it is equipped with a locking means to keep the Hunt's Rake Lever and the Barking Brake Lever in an operating state, creating a parking brake system that links the front and rear wheels of the vehicle. (Function) According to the present invention, when the front wheel hunt brake lever is actuated during a bar kink, the parking brake lever installed in parallel with the hand brake lever actuates the rear wheel brake device in conjunction with this actuation operation. In order to urge
The front wheel brake device and the rear wheel brake device are activated simultaneously by a simple operation, and their operating states are maintained by the locking means. Furthermore, the device of the present invention can be easily constructed by simply installing, for example, a parking brake lever connected to a rear wheel brake device in parallel to a front wheel hand brake lever, and attaching interlocking means and locking means. , there is no need to make major modifications to existing brake equipment.

(Example) Examples of the present invention will be described below based on the attached drawings. Fig. 1 is a plan view of the handle portion of the vehicle showing the front and rear wheel interlocking parking brake device according to the present invention, Fig. 2 is a sectional view taken along the line II-III of Fig. 1, and Fig. 3 is the same front and rear views when the vehicle is parked. FIG. 4 is a plan view showing the state of the wheel interlocking parking brake device, and FIG. 4 is a plan view of a four-wheeled vehicle for traveling on rough terrain equipped with the front and rear wheel interlocking parking brake device. The front and rear of the vehicle body shown in Fig. 4 have two left and right front wheels 2,
2. It is supported by rear wheels 3, 3, respectively, and a front wheel brake device 4, 4 is provided near the inside of the front wheel 2.2, and a rear wheel brake device 5 is provided near the rear wheel 3. ing.

A bar handle 6 is provided at the front central portion of the vehicle body, and a front wheel handbrake lever 7 is rotatably pivoted to the right end of the bar handle 6. A wire 8.8 leading from the front wheel brake device 4.4 is connected to the front wheel handbrake lever 7 as a single wire 9 in the middle. On the other hand, a chain lever 11 and a foot brake lever 12 are respectively provided near the steps 10 and 10 which protrude in the width direction on the left and right sides of the vehicle body, and the foot brake lever 12 has a brake for the rear wheels. Wire l3 leading from device 5 is also connected. Also, another wire l4 is led out from this rear wheel brake device 5,
This wire l4 is connected to the front wheel hunt flake harness 7.
The parking brake lever 19 (see Figures 1 to 3), which will be described later, is connected to the parking brake lever 19, which will be described later. Here, the structure of the main parts of the front and rear wheel interlocking parking brake device according to the present invention will be explained based on FIGS. 1 to 3. A grip l6 is attached to the right end of the handle pipe l5 of the bar handle 6. A holder 17 is fitted in a portion of the handle vibe l5 near the clip l6, and one end of the front wheel handbrake lever 7 is rotatably attached to the holder 17 with a bolt l8. has been done. The end of the wire 9 is connected to this front wheel hunt brake lever 7, and an oblong engagement hole 7a is bored in the base end of the hunt brake lever 7.

Further, above the front wheel hunt brake lever 7, a parking brake lever 19 or one end thereof is rotatably attached to the holder l7 with a bolt 20. One end of the wire 14 led out from the rear wheel brake device 5 is connected to this parking brake brake brake l9. In addition, an engaging pin 2l is fitted in this Berkinta brake handle 19 so as to be able to move up and down, and the engaging pin 21 is shaped into the parking brake handle 19 as shown in Fig. 2. It is always urged upward by a spring 22 compressed in the space S, and normally (except when barking) is in a position where it abuts against the plate 23 or the collar-shaped stopper 21a integrally formed in the middle thereof. It's still. At this time, the upper half of the engagement pin 2l protrudes above the plate 23, and the engagement pin 21 itself is positioned above the engagement hole 7a formed in the flexible gear 7. In addition, this Barking Tree Reper 19
A pin 24 is installed upright on the L side. Further, above the parking brake lever 19, attach a lock lever 25 or one end thereof to the holder 17 with a screw 2.
The locking lever 25 is provided with an engagement jJ 2 5 a to be engaged with the bin 24 during barking. The lock lever 25 is always urged counterclockwise in FIG. 1 by a return spring 27 wound around the screw 26, and the stopper part 1
By engaging the convex portion 25b with 7a, its counterclockwise rotation is restricted.

Therefore, if you hold the front wheel handbrake lever 7 while the vehicle is running, the parking brake lever 19 will be activated.
is immovable, and the brake lever 7 is rotated around the bolt l8 as shown by the chain line in FIG. The brake devices 4, 4 are activated and the front wheels 2.
Braking is applied to the rotation of 2. Also, if you step on the foot brake lever 12 with your foot, the wire 1 connected to this
3 is pulled, the rear wheel brake device 5 is activated, and the rear wheel 3 is activated.
Braking is applied to the rotation of , 3. In this manner, while the vehicle 1 is running, the front wheel brake device 4.4 and the rear wheel brake device 5 are individually operated by independently operating the front wheel hand brake lever 7 and the foot brake lever 12, respectively. It is possible to apply braking to the movement of l.

When the vehicle 1 stops running and barks, the engaging pin 2l provided on the parking brake brake l9 is pushed down against the elastic force of the spring 22, as shown in the chain line in FIG. As shown in , the lower half of this engages into an engagement hole 7a formed in the brake rehear 7. In this state, if you hold the brake lever 7 and turn it around the bolt 18, the pin 2l or the engagement hole 7
Since the parking brake lever 19 is engaged with the bolt 2 along with the brake lever 7, as shown in FIG.
0 in the same direction, and as a result, the wire 14 connected to the parking brake lever 19 is bent together with the wire 9, and the front wheel brake device 4.4 and the rear wheel brake device 5 are simultaneously rotated. When activated, the front wheels 2.
2 and rear wheel 3.3 rotation is locked. Then, in this state, the jaw clipper 25 is rotated in the direction of the arrow in FIG. 24, both brake levers 7, 19 are locked by the lock lever 25 in the state shown in FIG. The parking brake is applied to the vehicle 1 by these. Incidentally, at this time, upward movement of the engagement bin 2l is restricted by a locking wheel 25.

In this way, when the vehicle 1 is parking, the front wheel brake device 4.4 and the rear wheel brake device 5 are controlled by only the pressing operation of the engagement pin 2l and the actuation operation of the handbrake lever 7.
Both brake devices 14, 4.5 can be operated simultaneously and easily, and the operating state of both brake devices 14, 4.5 can be maintained by operating the lock lever 25, making it easy to operate the parking brake. Further, in the front and rear wheel interlocking parking rake device according to the present invention, a parking brake lever is arranged in parallel to the front wheel handbrake lever 7, and the rear wheel brake device 5 is connected to the parking brake lever 19 via a wire l4. However, since it is easily constructed by simply adding small parts such as the engagement pin 21, pin 24, and lock lever 25 around the front wheel brake lever 7, it is not necessary to make major modifications to the existing brake device. It's fleeting. If the front wheel brake lever 7 is gripped even more strongly from the state shown in FIG.
7 to return to its original state (the state shown in FIG. 1), both brake levers 7, . 19 unlocked. Then, if you release your hand holding the brake lever 7, both the brake levers 7 and 19 are pulled by the wire 9.14 and return to the original state shown in FIG. 4.5 is released, the parking brake is released, and the vehicle is able to drive again. Next, a second embodiment of the present invention will be explained based on FIGS. 5 to 8. In addition, FIG. 5 is a plan view of the main part of the front and rear wheel interlocking parking brake device according to this embodiment, FIG. i6 is a view in the direction of arrow A in FIG. 5, and FIG.
The i-side view and FIG. 8 are plan views showing the operation of the front and rear wheel interlocking bark rake device, and in these figures, the same elements as shown in FIGS. 1 to 3 in the first embodiment are shown. They are given the same reference numerals, and their explanation will be omitted below. In this embodiment, the only difference is the structure of the locking means and the arrangement of the front wheel hunt brake leper 7 and the Burkinta flake leper 19, and the other structures are the same as those of the previous embodiment. That is, in this embodiment, a locking ring 32 having a predetermined width is attached to the end of the plate 3l, which is fastened to the upper surface of the holder 17 with a bolt 30, with a pin 33 in the vertical direction (
The lock lever 32 is rotatably mounted in the direction of the arrow in FIG. 6), and the lock lever 32 is always urged upward (clockwise in FIG. 6) by a return spring (not shown) wound around a pin 33. ing. Further, in this embodiment, the parking brake lever 19 is disposed below the front wheel hunt brake lever 7, and the parking brake lever 19 is provided with an oval engagement hole 19a, and the engagement bin 2l is provided in the hunting brake lever 7. It is provided on the 7 side.

Then, in the state shown in FIG. 5, push down the engagement pin 2l and engage it with the engagement hole 19a as shown by the chain line in FIG.
8, the parking brake lever 19 also rotates in the same direction as shown in FIG. 8, and the front wheel brake device 4. shown in FIG. 4 and rear wheel brake device 5 are activated simultaneously. At this time, a gap is formed between the brake lever 7 and the holder 17, so the lock lever 32 is rotated downward around the pin 33 against the elastic force of the return spring to close the gap. When the tip is fitted into the gap, both brake levers 7, 19 are locked in the operating state, as shown in FIG. 8, and both brake devices 4, 4.5 are held in the operating state. In addition, in this embodiment, the engagement pin 2
If you turn the brake lever 7 without pressing down on the l button, it is possible to park the vehicle with only the front wheel brake system 4.4 in operation. Therefore, in this embodiment as well, the same effects as those obtained in the previous embodiment can be obtained.

Furthermore, a third embodiment of the present invention will be described based on FIGS. 9 to 13. 9 is a plan view of the front and rear wheel interlocking parking flake device according to this embodiment, FIG. 10 is a sectional view taken along the line X-)l in FIG. 9, and FIG. 11 is a view taken in the direction of arrow B in FIG. diagram,
Fig. 12 is a diagram showing the operation of the front and rear wheel interlocking parking brake device, and Fig. 13 is a diagram taken in the direction of arrow C in Fig. 12. The same elements as shown in the figure are given the same reference numerals.

In this embodiment, the arrangement of the front wheel hand brake lever 7 and the parking brake lever 19 is the same as that of the second embodiment, or the structure of the locking means is slightly different from that of the second embodiment. That is, a locking wheel 52 is pivotally attached to the upper surface of the holder l7 via a pin 53 so as to be freely rotatable in the vertical direction (in the direction of the arrow in FIG. 11).
is constantly forced upward (clockwise in FIG. 11) by a return spring (not shown) wound around the pin 53. A stopper 52a is protruding from the side near the front end of the lock lever 52 to engage with a wire attachment groove 7a formed on the end face of the front wheel hunt lever 7. Further, a convex portion 19b is provided on the upper surface of the parking brake brake l9 as shown in FIG. A contact slope 19b-1 is formed. Then, in the state shown in FIG. 9, push down the retaining pin 21 and engage it with the engagement hole 19a as shown in FIG.
0, the parking brake brake lever 19 also rotates in the same direction as shown in FIG. 12, and the front wheel brake system 4.0 shown in FIG. 4
and the rear wheel brake device 5 are activated at the same time. At this time, the parkinta flake lever 19 and the holder 17
A gap is formed in between, so if the Ronokureha 52 is rotated downward around the pin 53 against the elastic force of the return link and the tip of the Ronokureha 52 is fitted into the gap,
As shown in FIG. 13, the locking brake 52 contacts the slope 52b at its tip or the slope 19b-1 of the parking brake brake projection 19b, and the locking brake 52 is in contact with the slope 52b at its tip or the slope 19b-1 of the parking brake brake projection 19b. Supported 1 car brake lehr 7,
19 is activated and locked as shown in FIG. 12, and at this time both brake devices 4, 4, 5 (see FIG. 4) are maintained in an activated state and the parking brake is applied. At this time, the stopper 52a protruding from the lock lever 52 engages with the wire attachment tIt7a formed on the brake lever 7, as shown in FIG.
The rotation of the lock lever 52 to its original position is restricted, and the lock lever 52 is maintained in the state shown by the chain line in FIG. 11. Furthermore, as shown in FIG. 10, the engagement bottle 2l engages with the lower end flange portion 21a or the convex portion 19a-1 protruding from a part of the engagement hole 19a, so that the engagement bottle 2l is moved upwardly (removed). )
or prevented.

Therefore, in this embodiment as well, the first. Effects similar to those obtained in the second embodiment can be obtained.

In addition, in the above embodiment, the front wheel Hunts Lake Rehar 7 is used.
and the Birkink flake frame 9 may be separately pivoted to the halter 17, or they may be pivoted about a common axis. In the above embodiment, in the vehicle l equipped with the rear wheel foot brake brake system 12, the rear wheel brake system 5 is connected to the front wheel brake brake system 7 side via the wire l4, or As shown in the figure, in a vehicle equipped with a rear wheel handbrake lever 42 on the handle 6, the rear wheel brake device 5 may be connected to the front wheel handbrake lever 7 side via the wire 14 as in the above embodiment. As shown in FIG.
．． 38.39 Hunt Flake Rehar 42 for rear wheel
When parking the vehicle, the front wheel brake devices 4, 4 and the rear wheel brake device 5 may be operated simultaneously by operating only the rear wheel handbrake lever 42.

(Effects of the Invention) As is clear from the following explanation, according to the invention, a parking brake lever connected to a rear wheel brake device is installed in parallel with a front wheel hunt brake lever provided on the handlebar, or a parking brake brake connected to a front wheel brake device is arranged in parallel with a rear wheel brake brake provided on the rear wheel brake brake, and interlocking means for interlocking the parking brake brake with the actuation operation of the hand brake lever; A locking means for holding these hunt brake levers and parker brake levers in an operating state is provided to form a parking brake system that links the front and rear wheels of the vehicle, so it is possible to park the vehicle without making any major modifications to the existing brake system. The front wheel brake device and the rear wheel brake ν are operated by one hand brake brake.
- It is possible to simultaneously and easily operate the key devices and maintain this operating state.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a handle portion of a vehicle showing a front and rear wheel interlocking parking brake device according to a first embodiment of the present invention, Fig. 2 is a sectional view taken along line II-II of Fig. 1, and Fig. 3 is a cross-sectional view of a vehicle FIG. 4 is a plan view of a four-wheel vehicle equipped with the front and rear wheel interlocking parking rake device during parking, and FIG. 5 is a plan view showing the state of the front and rear wheel interlocking parking rake device. A plan view of the main part of the front and rear wheel interlocking parking flake device according to the example, FIG. 6 is a view in the direction of arrow A in FIG. 5, FIG. 7 is a sectional view taken along the line A plan view showing the action of the front and rear wheel interlocking parking brake device, FIG. 9 is a plan view of the front and rear wheel interlocking parking brake device according to the third embodiment of the present invention, and FIG.
Line sectional view, Figure 11 is a view in the direction of arrow B in Figure 9, Figure 12
The figure is a plan view showing the action of the front and rear wheel interlocking parking flake device, Fig. 13 is a view in the direction of arrow C in Fig. 12, and Fig. 14
FIG. 15 is a diagram of a four-wheeled vehicle showing an embodiment of the present invention.

Claims (1)

[Claims] On the front wheel handbrake lever installed on the handle,
A parking brake lever connected to a rear wheel brake device is arranged in parallel, or a parking brake lever connected to a front wheel brake device is arranged in parallel to a rear wheel handbrake lever provided on the handle, and the parking brake lever A front and rear wheel interlocking parking brake device for a vehicle, characterized in that the front and rear wheel interlocking parking brake device is provided with an interlocking means for interlocking the handbrake lever and the parking brake lever with the activation operation of the handbrake lever, and a locking means for holding the handbrake lever and the parking brake lever in an activated state. .