JPH1134824A - Vehicular pedal type parking brake device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the contact of a parking brake pedal in a vehicle and the driver as a result of a head on collision. SOLUTION: A vehicular pedal type parking brake device comprises a first bracket 3 fixed to the lower portion of a cowl 1 installed in the front of occupant space in a vehicle; a second bracket 4 turnably coupled to the first bracket 3 by means of a horizontal shaft laid across the vehicle and also assembled to a dashboard 2 defining the front wall of the occupant space; an engaging means to fix the second bracket 4 to the dashboard 2 while the dashboard 2 stays in its normal position to the cowl 1 and to release its fixing to the bracket 4 from the dashboard 2 and pivot the bracket 4 on the shaft in one direction when the dashboard 2 is displaced backward from the normal position to the cowl 1; a parking brake pedal 5 pivotally supported on the shaft, to which pedal a parking-brake control cable 6 is coupled and a spring 9 for normally energizing in the pulling in direction the cable 6 is locked; and a locking device for locking the pedal 5 in its parking-brake actuating position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a foot-operated parking brake device for vehicles such as automobiles.

[0002]

2. Description of the Related Art Hitherto, as this kind of foot-operated parking brake device for a vehicle, one disclosed in Japanese Patent Application Laid-Open No. 9-30383 is known. In this method, the parking brake pedal is gripped by the main bracket and the sub bracket, and the parking brake is operated and released only by the parking brake pedal due to the relationship between the pawl, the torsion spring and the release lever. The auxiliary bracket fixed to the main bracket prevents the generation of force in the bending direction of the pivot of the parking brake pedal supported by the cantilever.

[0003] In particular, fixing of a foot-operated parking brake device for a vehicle to a vehicle is performed only by fixing a main bracket. The mounting portion at the upper end of the main bracket is fixed to a cowl installed in front of a passenger space inside the vehicle so as to connect the left side and the right side of the vehicle. Further, the bolts protruding and fixed in the lateral direction of the main bracket form a wall portion of the passenger space inside the vehicle and are attached to a dash installed on the front side of the vehicle to fix the main bracket. By the above two mounting means, the vehicle foot-operated parking brake device is fixed inside the vehicle.

[0004]

However, in the event of a collision from substantially the front of the vehicle, the amount of movement accompanying the deformation of the cowl substantially rearward increases the passenger space inside the vehicle for the safety of the vehicle occupants. Since it is ensured, the amount of movement of the dash due to the substantially rearward deformation of the dash becomes smaller. Therefore, with the above-described device, the mounting portion fixed to the dash of the main bracket rotates toward the passenger space inside the vehicle around the mounting portion at the upper end of the main bracket as the center of rotation. The parking brake pedal cooperates with the main bracket by a spring that constantly urges the parking brake pedal in the direction opposite to the direction in which the parking brake control cable is pulled, and rotates toward the passenger space inside the vehicle. There was a possibility that the parking brake pedal contacted the lower limbs of the elderly.

Accordingly, the present invention provides a foot-operated parking brake device for a vehicle, which prevents a driver from coming into contact with a parking brake pedal due to the movement of a dash substantially to the rear of the vehicle due to a collision of the vehicle substantially from the front. Is a technical issue.

[0006]

The technical means taken in the present invention to solve the above technical problem is installed in front of the passenger space inside the vehicle so as to connect the left side and the right side of the vehicle. A cowl, a first bracket fixed to a lower portion of the cowl, a dash forming a front wall of a passenger space inside the vehicle, and a rotatable with the first bracket by a horizontal axis in the vehicle left-right direction. A second bracket connected to and assembled to the dash, the second bracket when the dash is in a normal positional relationship with the cowl;
A bracket is fixed to the dash, and the dash is displaced rearward from a normal position with respect to the cowl to release the fixing of the second bracket to the dash, and the second bracket is centered on the axis. Engagement means for rotating in one direction, a parking brake pedal pivotally supported by the shaft and connected to a parking brake control cable, and an operation direction of the parking brake pedal for pulling the parking brake control cable A spring that constantly urges the parking brake pedal in a release direction opposite to the above, a locking device that locks the parking brake pedal to the parking brake operating position, and a release device that releases the locking of the locking device. It is a thing.

According to this technical means, in the event of a collision from substantially the front of the vehicle, the movement of the dash due to the substantially rearward deformation of the vehicle is greater than the movement of the cowl due to the substantially rearward deformation of the vehicle. The second bracket is rotated about the axis by the engagement means for releasing the engagement between the dash and the second bracket. Thus, a foot-operated parking brake device for a vehicle can be obtained that prevents the driver from contacting the parking brake pedal due to the movement of the dash to the rear of the vehicle due to a vehicle collision or the like.

[0008] More preferably, the direction of rotation of the second bracket about the axis due to the displacement of the dash from the normal position with respect to the cowl toward the rear of the vehicle coincides with the operating direction of the parking brake pedal. Let
It is good to have a locking member which turns the 1st bracket to an operation direction by rotation of the 2nd bracket.

The dash has a first inclined portion that changes in the height direction from the front to the rear of the vehicle, and the second bracket inclines in the same manner as the first inclined portion and contacts the first inclined portion. A second inclined portion that is in contact with the first inclined portion, wherein the engaging means includes a projection formed with a seat disposed on the first inclined portion; and a vehicle disposed on the second inclined portion from a front of the vehicle to a rear of the vehicle. And a long hole extending therethrough, wherein the long hole is provided with the small diameter portion smaller than the outer diameter of the receiving seat and the receiving portion, and is disposed continuously with the small diameter portion. And a large-diameter portion formed to be larger than the outer diameter at the rear of the vehicle than the portion.

[0010]

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a side view of a foot-operated parking brake device for a vehicle, and FIG. 2 is a side view of the foot-operated parking brake device for a vehicle at the time of a substantially forward collision of the vehicle. FIGS. 1 and 2 do not show a locking device that locks the parking brake pedal installed in the part A at the parking brake operating position and a release device that releases the locking of the locking device. Please refer to FIGS. 3 is a detailed view of a portion A in FIG. 1, FIGS. 4 to 7 are operation explanatory diagrams, and FIG. 8 is an assembly diagram of a foot-operated parking brake device for a vehicle in a BB section in FIG.

As shown in FIG. 1, the first bracket 3
Is firmly fixed by a bolt (not shown) or the like to a cowl 1 installed in front of a passenger space inside the vehicle so as to connect the left side and the right side of the vehicle. Further, as shown in FIG. 3, the first bracket 3 is provided with a first stopper and a second stopper.
A stopper is formed, and restricts a locking portion 14c of the lever 14 described later therebetween. Further, a hook portion 3d is formed to lock one end of a spring 9 which constantly biases the parking brake control cable 6 of the parking brake pedal 5, which will be described later, in a direction opposite to the pulling direction. The switch 8 is fixed to the first bracket 3 and detects the operation of the parking brake pedal 5 described later, and gives the driver a parking brake pedal 5 with an auxiliary lamp (not shown).
The operation of is recognized.

The dash 2 is formed with a surface 2c (first inclined portion) which is inclined inward of the passenger space toward the lower part of the vehicle, and a projection 2a having a seat 2b is fixed to the inclined surface 2c. Have been. The protruding portion 2a and the seat 2b may be composed of bolts, nuts, and the like.

The second bracket 4 has an inclined portion 4f (second inclined portion) formed so as to contact the inclined surface 2c of the dash 2, and the small diameter portion 4b smaller than the outer diameter of the receiving seat 2b is formed on the inclined portion 4f. And a large diameter portion 4 larger than the outer diameter of the receiving seat 2b.
A long hole 4a for attachment, which is arranged so as to be connected vertically with FIG. Also, the second bracket 4
A cable insertion hose 4e is fixedly provided at a lower portion of the vehicle, and a parking brake control cable 6 is inserted through the cable insertion hose 4e.

The engaging means between the dash 2 and the second bracket 4 is such that the inclined surface 2c of the dash 2 and the inclined portion 4f of the second bracket 4 are in contact with each other, and the projection of the dash 2 is inserted into the elongated hole 4a of the second bracket 4. Part 2a and the small diameter part 4b and the seat 2b
Is engaged.

The parking brake pedal 5 engages an end of a parking brake control cable 6 arranged along a substantially arcuate cable guide 5g disposed on the parking brake pedal 5 by a cable engaging portion 5f. I do. The parking brake pedal 5 has a hook portion 5e formed at one end 5b, and the parking brake pedal 5 pulls the parking brake control cable 6 in a direction opposite to the rotation direction of the parking brake pedal 5, that is, in the counterclockwise direction in FIG. A spring 9 that constantly biases the parking brake pedal 5 in the direction is engaged, and a pad 5a is formed at the other end. The driver can operate the parking brake device by depressing the pad 5a.

Here, the structure in which the first bracket 3 and the second bracket 4 are disposed so as to sandwich the parking brake pedal 3 prevents the force in the bending direction of the pivot axis from being generated when the parking brake pedal 5 is depressed. Things. If a single bracket is used, it will have a cantilever structure and will cause bending of the pivot.

Further, when the parking brake pedal 3 is depressed, a load is applied in the direction F in FIG. Therefore, according to the structure shown in the present embodiment, the second bracket 4
Is engaged with the dash 2 by the projection 2a and the elongated hole 4a, so that the parking brake pedal 3 to which the load in the F direction is applied can be strongly supported by the second bracket 4.

The locking member 7 is fixed to the second bracket 4 and does not operate the parking brake device.
The end 5b of the parking brake pedal 5 is locked. However, here, the locking member 7 is fixed to the second bracket 4, but the locking member 7 is fixed to the parking brake pedal 5.
May be fixed, or the parking brake pedal 5 may be locked to the switch 8 fixed to the first bracket 3 without forming the locking member 7.

As shown in FIG. 8, the inner peripheral surface of the second bottomed cylindrical convex portion 5d formed on the parking brake pedal 5 is formed on the first bracket 4 formed on the second bracket 4 via the bush 15. It contacts the outer peripheral surface of the bottomed cylindrical convex portion 4d.
The bottom surface of the second bottomed cylindrical convex portion 5 d is
6 comes into contact with the bottom surface of the third bottomed cylindrical convex portion 3c formed on the first bracket 3 via the base 6. The parking brake pedal 5 is caulked by inserting holes formed in the first bottomed cylindrical convex portion 4d, the second bottomed cylindrical convex portion 5d, and the third bottomed cylindrical convex portion 3c. By caulking the pin 10, it is pivotally supported. However, the means for pivotally supporting the parking brake pedal 5 may be a conventional pivoting means such as a bolt, and the means is not limited.

As shown in FIG. 3, a locking device for locking the parking brake pedal 5 at the parking brake operating position and a releasing device for releasing the locking of the locking device include a sector 11, a pawl 12, a lever 14, the torsion spring 19, the regulating member 13, the guide 5c of the parking brake pedal 5, and the first stopper 3a and the second stopper 3b of the first bracket 3.

The sector 11 is fixed to the parking brake pedal 5 by a sector pin 18 and has a tooth portion 11a which meshes with the pawl portion 12c of the pawl 12.

The lever 14 has a pole pin 17 fixed to the first bracket 3 inserted through the second hole 14e, and is pivotally supported by the pole pin 17. The lever 14 is provided with a pin 14 a protruding in a direction in which it contacts the guide 5 c of the parking brake pedal 5, a wall portion 14 b protruding in a direction opposite to the pin 14 a, and a first portion for inserting and locking one end of a torsion spring 19. The locking part 1 whose rotation about the pole pin 17 is restricted by the one hole 14 d and the first stopper 3 a and the second stopper 3 b formed in the first bracket 3.
4c.

As shown in FIG. 8, the pole 12 is fixed to the first bracket 3 and has a lever 14 inserted therethrough. The pole pin 17 is inserted into the elongated hole 12a. By being fixed to the regulating member 13,
The first bracket 3 is pivotally supported so as to be rotatable and movable in the longitudinal direction of the elongated hole 12a. The pole 12 is connected to the lever 1
4, a projection 12 b that comes into contact with the wall 14 b, a claw 12 c that meshes with the tooth 11 a of the sector 11, and a hole 12 d through which one end of the torsion spring 19 is inserted and locked.

The restricting member 13 has a third stopper 13a and a fourth stopper 13b for restricting the rotation of the pole 12 about the pole pin 17.

The torsion spring 19 has one end in the first hole 14 d of the lever 14 and the other end in the hole 1 of the pawl 12.
Locked to 2d.

Next, the operation of the locking device for locking the parking brake pedal 5 at the parking brake operating position and the release device for releasing the locking of the locking device will be described.

FIGS. 4 to 7 show the state from the non-operation state to the operation state.
This shows the flow of transition to the release state, and will be described with reference to the drawings.

First, FIGS. 3 and 4 show a state where the parking brake is not actuated, such as when the vehicle is running. The pole 12 is a fourth stopper 13 of the regulating member 13.
b, the lever 14 is the first stopper 3 of the first bracket 3.
a are in contact with each other by the biasing force of the torsion spring 19.

As shown in FIGS. 5 and 6, first, in order to operate the parking brake, the pawl portion 12c of the pawl 12 is turned clockwise in FIG. Tooth 11
meshes with a. Then, when the force in the turning direction of the parking brake pedal 5 is released, the parking brake pedal 5 tries to turn counterclockwise in FIG. Therefore, the pole 12 meshed with the teeth 11a of the sector 11 is pushed in the direction of the pole pin 17, and moves by the length of the long hole 12a obtained by subtracting the diameter of the pole pin 17. The moved pole 12 has a convex portion 12 b formed on the wall portion 1 of the lever 14.
Press 4b. By this pressing, the lever 14 rotates counterclockwise around the pole pin 17 in FIG. 5, and the guide 5c of the parkin brake pedal 5 and the pin 14
a comes into contact, the second stopper 3b of the first bracket 3 comes into contact, the rotation is stopped, and the state is as shown in FIG. 6, and the parkin brake is operated and locked, that is, the vehicle is parked.

When the parking brake pedal 5 is rotated clockwise in FIG. 6 to release the operation of the parking brake, the hole 12 d of the pawl 12 for locking the torsion spring 19 and the first hole of the lever 14 are formed. 1
Due to the positional relationship 4d, the pawl 12 is moved in a direction away from the teeth 11a of the sector 11 by the urging force of the torsion spring 19, and a state as shown in FIG. The parking brake pedal 5 is rotated counterclockwise in FIG. 7 by the spring 9, and the guide 5 c pushes the pin 14 a of the lever 14.
Rotates clockwise about the pole pin 17 in FIG. Then, the state returns to the state in which the parking brake of FIGS. 3 and 4 is not operated again.

Next, the operation at the time of a collision from substantially the front of the vehicle will be described.

As shown in FIG. 2, a collision occurs substantially from the front of the vehicle, and the amount of movement of the dash 2 substantially toward the rear of the vehicle is greater than the amount of movement of the cowl 1 substantially toward the rear of the vehicle. When it becomes large, the movement amount C of the dash 2 relative to the cowl 1 in the right direction of FIG.

The dash 2 becomes the dash 2 'according to the moving amount C.
Is moved to the position. However, the second bracket 4
Since the first bracket 3 locked by the second bracket 4 and the caulking pin 10 is firmly fixed to the cowl 1, the rearward movement of the cowl 1 is restricted.

Then, the second bracket 4 is caused to rotate clockwise around the caulking pin 10 by the inclined surface 2c of the dash 2 in FIG. The projection 2a provided with the seat 2b fixed to the inclined surface 2c moves to the rear of the vehicle, the long hole 4a of the second bracket 4 rotates about the caulking pin 10, and the small diameter of the seat 2b. When the engagement with the portion 4b is released, the receiving seat 2b is relatively moved toward the large-diameter portion 4c. The relatively moved seat 2b has a large diameter portion 4
Since the diameter is set smaller than c, the engagement between the elongated hole 4a and the projection 2a is released. When the engagement is released, the amount of movement of the second bracket 4 to the rear of the vehicle caused by the rotation corresponding to the distance of the movement amount C is secured.
It is rotated to the position of the second bracket 4 '.

With the rotation of the second bracket 4, the locking member 7 fixed to the second bracket 4 causes the parking brake pedal 5 locked with the locking member 7 to rotate the second bracket 4. It rotates in the same direction as the direction. The rotation of the parking brake pedal 5 causes the pad 5a to move to the pad 5'a in the direction opposite to the direction in which the driver exists.

As described above, the dash 2 is assumed to have the surface 2c inclined toward the lower part of the vehicle toward the inside of the passenger space, but the inclined surface 2c is inclined toward the lower part of the vehicle toward the outside of the passenger space. In this case, the surface of the second bracket 4 to be described later, which is attached to the dash 2, may be formed so as to be in contact with the second bracket 4. As the rotation in the direction, the locking member 7 may be further eliminated.

[0038]

As described above, the foot-operated parking brake device for a vehicle according to the present invention according to the first aspect of the present invention is accompanied by the deformation of the dash to the substantially rearward direction of the vehicle in the event of a collision from substantially the front of the vehicle. Even if the amount of movement is greater than the amount of movement of the cowl due to the substantially rearward deformation of the vehicle, the second bracket engaged with the dash for fixing the brake pedal can be disengaged from the dash, This has an excellent effect that the parking brake pedal does not move inside the passenger space inside the vehicle.

According to a second aspect of the present invention, there is provided a foot-operated parking brake device for a vehicle according to the first aspect of the present invention, wherein a locking member for locking the parking brake pedal is fixed to the second bracket. In addition, there is an excellent effect that the parking brake pedal is rotated from the original position in a direction to enlarge the passenger space.

According to a third aspect of the present invention, there is provided a foot-operated parking brake device for a vehicle according to the first aspect of the present invention, wherein a projection formed on a dash is provided with a seat, and an outer periphery of the seat. Providing a small diameter portion smaller than the diameter and a large diameter portion larger than the outer peripheral diameter of the receiving seat has an excellent effect that the engagement can be released with a simple structure.

[Brief description of the drawings]

FIG. 1 is a side view of a foot-operated parking brake device for a vehicle according to the present invention.

FIG. 2 is a side view of the foot-operated parking brake device for a vehicle at the time of a substantially frontal collision of the vehicle according to the present invention.

FIG. 3 is a detailed view of a portion A in FIG. 1;

FIG. 4 is a first operation diagram of a locking device for locking a parking brake pedal in a parking brake operating position and a release device for releasing the locking of the locking device according to the present invention.

FIG. 5 is a second operation diagram of the locking device for locking the parking brake pedal in the parking brake operating position and the releasing device for releasing the locking of the locking device according to the present invention.

FIG. 6 is a third operation diagram of the locking device for locking the parking brake pedal in the parking brake operating position and the releasing device for releasing the locking of the locking device according to the present invention.

FIG. 7 is a fourth operation diagram of the locking device for locking the parking brake pedal in the parking brake operating position and the releasing device for releasing the locking of the locking device according to the present invention.

FIG. 8 is an assembly view of the foot-operated parking brake device for a vehicle in the BB cross-sectional view of FIG. 1;

[Explanation of symbols]

 Reference Signs List 1 cowl 2 dash 2a projection (engaging means) 2c slope (first slope) 2 'dash (after vehicle front collision) 3 first bracket 4 second bracket 4a long hole (engaging means) 4f slope ( (2nd inclined portion) 4 'Second bracket (after vehicle forward collision) 5 Parking brake pedal 5' Parking brake pedal (after vehicle forward collision) 6 Parking brake control cable 7 Locking member 3d Cylindrical portion 4a First hole 4b 2nd hole 4d wall 6 spring

Claims (3)

[Claims] 1. A cowl installed in front of a passenger space inside a vehicle so as to connect a left side and a right side of a vehicle, a first bracket fixed to a lower portion of the cowl, and a passenger space inside the vehicle. A dash forming a front wall portion of the vehicle, a second bracket rotatably connected to the first bracket by a horizontal axis in a vehicle left-right direction and assembled to the dash, and the dash is in a normal position with respect to the cowl. When in the relationship, the second bracket is fixed to the dash, and the dash is displaced rearward from the normal position with respect to the cowl to the rear of the vehicle to release the fixing of the second bracket to the dash, and An engagement means for rotating the second bracket in one direction about the axis, and a parking brake control cable pivotally supported by the axis. A connected parking brake pedal, a spring that constantly urges the parking brake pedal in a release direction opposite to the operation direction of the parking brake pedal that pulls the parking brake control cable, and the parking brake pedal is moved to the parking brake operating position. A foot-operated parking brake device for a vehicle, comprising a locking device for locking and a release device for releasing the locking of the locking device. 2. A rotation direction of the second bracket about the axis caused by the displacement of the dash with respect to the cowl from a normal position to a rearward position of the vehicle coincides with an operation direction of the parking brake pedal. 2. The foot-operated parking brake device for a vehicle according to claim 1, further comprising a locking member that turns the first bracket in an operation direction by turning the second bracket. 3. 3. The dash has a first inclined portion that changes in the height direction from the front to the rear of the vehicle, and the second bracket is inclined in the same manner as the first inclined portion and is in contact with the first inclined portion. A second inclined portion that is in contact with the first inclined portion, wherein the engaging means includes a projection formed with a seat disposed on the first inclined portion; and a vehicle disposed on the second inclined portion from a front of the vehicle to a rear of the vehicle. And a long hole extending, the long hole is a small-diameter portion smaller than the outer diameter of the receiving seat and the projection is inserted,
2. A foot-operated type for a vehicle according to claim 1, further comprising a large-diameter portion which is provided continuously with said small-diameter portion and is formed rearward of the small-diameter portion in a vehicle and larger than the outer diameter. Parking brake device.