KR20010087455A - A lever assembly for parking brake apparatus of automobile - Google Patents

Abstract

PURPOSE: A lever assembly for a parking brake system of a vehicle is provided to reduce the length of a parking lever while maintaining the performance thereof and reduce the space occupied by the parking lever when the parking lever is not in operation, thereby simplifying the layout of a space between a driver's seat and a passenger's seat. CONSTITUTION: A lever assembly for a parking brake system of a vehicle includes a lever plate(1) rotatably mounted to a supporter(56) and connected to a cable(54) of a parking brake, a pawl(4) rotatably mounted to the lever plate and mounted with a return spring(3) for applying rotation elasticity in the counterclockwise direction, a cam(5) rotatably mounted to the lever plate and contacting an opposite end of a ratchet(57) of the pawl to rotate the pawl in association, and a handle(6) for rotating the cam and mounted to an inner tube(9) to be received in a guide tube(8) when the parking brake is released.

Description

Lever assembly for parking brake system of automobile {A LEVER ASSEMBLY FOR PARKING BRAKE APPARATUS OF AUTOMOBILE}

TECHNICAL FIELD The present invention relates to a lever assembly, and more particularly, to a lever assembly for a parking brake apparatus of a vehicle, which is installed in a driver's seat so as to pull a cable from the parking brake apparatus of a vehicle.

In general, an automobile parking brake device is configured by connecting the parking lever and the parking brake with a cable or the like to control the rear wheel of the vehicle.

As shown in FIG. 5, the brake pedals 53 are provided to operate the brakes 50 installed on the four wheels, respectively, and the master cylinder 52 connected to the brakes 50 and the hydraulic lines 51. And a parking brake lever assembly 55 connected to the cable 54 to operate the brake 50 of the rear wheel and installed in the vehicle interior.

Of course, the rear wheel brake 50 is provided with a parking mechanism (not shown) so that the shoe (not shown) of the rear wheel brake 50 comes into close contact with the drum in association with the cable 54.

Here, the lever assembly 55 is a ratchet 57 formed on the support 56, as shown in Figure 6, the cable 54 is rotatably installed on the support 56 and connected to the brake 50 (54) ) Is connected to the lever 58, the pawl 60 installed on the lever 58 by the rotation shaft 59 so as to be caught by the ratchet 57, and the rod 61 to operate the pawl 60. And a release button 62 connected to and movable on the lever 58.

The lever 58 is disposed between the driver's seat and the passenger seat and is made to have a predetermined length so that the driver can easily operate the lever 58.

However, when the lever is manufactured to a predetermined length and installed between the driver's seat and the passenger seat as described above, the shift lever, the parking lever, the cup holder, the center console, and the like are installed between the driver's seat and the passenger seat. There is a problem that the layout of the (Lay out) is difficult.

That is, since the length of the parking lever is long, it is necessary to keep the length of the parking lever easy to operate while preventing the interference with the shift lever, which makes the layout work very inconvenient.

Accordingly, an object of the present invention is to solve the above problems, while not only shortening the length of the parking lever can maintain the operability of the parking lever, but also reduces the space occupied by the parking lever when the parking lever is not operated, It is to provide a lever assembly for a parking brake device of a vehicle that facilitates the space layout work between the driver's seat and the passenger seat.

In order to achieve the above object, the present invention provides a parking brake lever assembly for a vehicle including a support fixed to a driver's seat and a passenger seat and having a ratchet formed thereon, wherein the cable of the parking brake is rotatably installed. A pole installed with the lever plate connected to the lever plate, a return spring rotatably installed in the lever plate and applying rotational elasticity in a counterclockwise direction, and rotatably installed on the lever plate and in close contact with the ratchet opposite end of the pole. It is characterized in that it comprises a cam formed to rotate the pole during rotation, the handle is configured to allow the driver to rotate the cam as a guide means to be accommodated inside the lever plate.

1 is a cross-sectional view showing a lever assembly for a parking brake device of a vehicle according to the present invention;

2 is a cross-sectional view showing a state in which the lever is pulled in FIG.

3 is a cross-sectional view taken along line A-A in FIG.

Figure 4 is a state diagram showing the coupling / disengagement state of the ratchet and the pole in Figure 1,

5 is a schematic perspective view showing a general vehicle parking brake apparatus;

FIG. 6 is a sectional view of the lever assembly in FIG. 5; FIG.

＊ Explanation of symbols for main parts of drawing *

1: lever plate 2: rotary shaft

3: return spring 4: pole

5: cam 6: handle

7: rotating support 8: guide tube

9: inner tube 10: spring

11: guide turning 12: guide groove

13: Jam Jaw 14: Hang Plate

54: cable 56: support

57: ratchet

1, 2 and 3 are cross-sectional views showing a lever assembly for a parking brake device of a vehicle according to the present invention, and a cross-sectional view taken along the line AA in FIG. 1, which is rotatably installed on the support 56 and the cable of the parking brake ( A lever plate 1 to which the 54 is connected, a pole 4 rotatably installed on the lever plate 1 by a rotation shaft 2, and on which a return spring 3 is installed, and on the lever plate 1. The cam 5 is rotatably installed and the cam 5 is formed so as to be in close contact with the opposite end of the ratchet 57 so as to rotate the pawl 4 about the rotation axis 2 during rotation, and the cam 5 may be rotated. In addition, the lever plate (1) is composed of a handle (6) provided as a guide means to be accommodated inside.

The guide means is formed integrally with the cam (5) and is inserted into the guide tube (8) and the hollow guide tube (8) rotatably supported by the rotary support (7) of the lever plate (1) Inner tube (9) provided with handle (6) and slide (10), spring (10) installed to pull the inner tube (9) in the direction of ratchet (57), guide tube (8) and inner It consists of interlocking means installed so that the tube 9 may rotate together and only the inner tube 9 may slide.

That is, when the handle 6 is rotated, the guide tube 8 is rotated by the interlocking means, and thus, the cam 5 is rotated to rotate the pole 4. The pole 4 and the ratchet ( 57) the binding / disengagement state is controlled.

The interlock means includes a guide protrusion 11 formed on the inner surface of the guide tube 8 and the guide protrusion 11 are inserted into the inner tube 9 so that the guide protrusion 11 is rotated and slides in the longitudinal direction. It is composed of a guide groove (12) formed.

In addition, a stop means is provided between the guide tube 8 and the inner tube 9 so that the inner tube 9 does not fall out. It is composed of a catching plate 14 provided at the end of the inner tube 9 so as to be caught by the catching jaw 13 described above.

When explaining the operation and effect of the present invention as described above, the state of the cam 5 is as shown in Figure 1 when driving the vehicle, it is impossible to push the upper surface of the pole 4, the pole 4 is returned It is brought into engagement with the ratchet 57 while being pulled by the elasticity of the spring 3.

In addition, since the spring 10 is pulling the inner tube 9, i.e., the handle 6, the inner tube 9 is accommodated in the lever plate 1, which causes the entire lever assembly. The length is very short.

In this state, the driver grabs the handle 6 and pulls it forward in order to park after stopping the vehicle.

When the handle 6 is pulled forward, the inner tube 9 moves on the guide tube 8, and the protruded state as shown in FIG. 2, and when the handle 6 is pulled, the lever The plate 1 is rotated and the ratchet 57 and the pawl 4 are held in engagement.

When the lever plate 1 is pulled upward, the parking brake operates while the cable 54 connected thereto is pulled. As described above, when the parking is completed, the driver releases the handle 6 and the handle 6 ) Is pulled by the spring 10 and most of it is housed inside the lever plate 1 so that only the handle 6 is exposed to the outside.

That is, since the length of the parking lever assembly is very short, in order to release the parking brake in this state, the driver rotates the handle 6 while pulling the handle 6 forward again.

When the handle 6 is rotated, the guide tube 8 and the inner tube 9 rotate together, and the guide protrusion 11 and the guide groove of the inner tube 9 of the guide tube 8 are rotated together. Since 12) is engaged, only the inner tube 9 is pulled out when the handle 6 is pulled out, and the guide tube 8 and the inner tube 9 rotate together when the inner tube 9 is pulled out.

When the guide tube 8 rotates, the cam 5 fixed thereto rotates the pawl 4 in the clockwise direction while the cam 5 fixed thereto rotates, and the pawl 4 and the ratchet 57 as shown in FIG. ) Is separated.

When the pawl 4 is detached from the ratchet 57, the lever plate 1 becomes rotatable again in the counterclockwise direction, and when the driver returns the lever plate 1 to its original state, the parking brake is released.

When the parking brake is released, the handle 6, that is, the inner tube 9 is stored inside the guide tube 8 again, so that the volume of the parking lever assembly is reduced.

As described above, according to the present invention, since the inner tube provided with the handle is accommodated inside the guide tube, the volume and length of the lever assembly are very small, so that the layout of the space between the driver's seat and the passenger seat is facilitated.

Claims (5)

In the lever assembly for a parking brake of a vehicle, which is fixed between the driver's seat and the passenger seat and includes a support formed with a ratchet, A lever plate rotatably installed on the support and connected to a parking brake cable, a pawl rotatably installed on the lever plate, and having a return spring for applying rotational elasticity in a counterclockwise direction; A cam formed to be rotatably mounted to the ratchet opposite end of the pawl to rotate the pawl during rotation, and configured to allow the driver to rotate the cam and to be housed inside the lever plate. Lever assembly for a parking brake device of a vehicle, characterized in that it comprises an installed handle. The method of claim 1, The guide means is a hollow guide tube integrally formed on the cam and rotatably supported by a rotational support of the lever plate, an inner tube inserted into the guide tube and capable of sliding movement, and the handle is installed, and the inner And a spring installed to pull the tube in the ratchet direction, and an interlocking means installed such that the guide tube and the inner tube rotate together and slide only the inner tube. The method of claim 2, The interlock means includes a guide protrusion formed on the inner surface of the guide tube and a guide groove formed in the inner tube so that the guide protrusion is inserted and rotates and slides in the longitudinal direction. Lever assembly for the brake unit. The method according to claim 2 or 3, And a stop means installed between the guide tube and the inner tube to prevent the inner tube from being pulled out. The method of claim 4, wherein The stop means is a lever assembly for a parking brake device of a vehicle, characterized in that the locking jaw provided on the end of the guide tube, and the locking plate provided on the end of the inner tube to be caught by the locking jaw.