JPH0547732Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a foot-operated parking brake device for an automobile. More specifically, the present invention relates to a brake device provided with a locking mechanism for locking a release lever to prevent erroneous operation of the release lever for releasing the brake.

(Prior art) In order to prevent a child or the like from accidentally operating the release operation member for releasing the brake operating state, causing the brake to come off and the car to start moving, a locking mechanism for the brake release operation member is provided. A foot-operated parking brake device configured such that the brake release operation member cannot be operated unless the locked state by this lock mechanism is released, that is, the brake cannot be released unless a two-step operation is performed. is disclosed in Japanese Utility Model Publication No. 56-20271.

As shown in FIG. 3, this conventional device includes a brake pedal 1, a pedal lock lever 2 for maintaining the depressed state of the pedal (brake operating state), and a pedal lock lever 2 for maintaining the brake operating state by operating the lever 2. The brake release operation member 3 is configured to rotate the lock lever 2 and release the brake by pulling out the operation member 3 in the direction of arrow A, and further to prevent the operation member 3 from being pulled out. A locking mechanism is provided, and the operating member 3 cannot be pulled out unless the lock release member 4 is pushed in the direction of arrow B.

The brake release operation member 3 and the lock release member 4 are assembled as shown in FIG. That is, the operating member 3 can be slid freely on the sleeve 6 fixed to the instrument panel 5 on the front side of the interior of the vehicle, and the stepped portion 3a allows the operating member 3 to be moved in the direction indicated by the arrow A from this state.
By engaging the tip 7a of the lever 7, which is rotatably provided on the operating member, with the sleeve, the operating member 3
When the lock release member 4 is pushed in the direction of arrow B, the hook lever 7 rotates in the direction of arrow C, and the engagement between the hook lever 7 and the sleeve 6 is severed. It is configured so that the operating member 3 can be pulled out in the direction of arrow A.

However, such conventional braking devices
A brake release operation member 3 and a lock release member 4 protrude from the instrument panel into the vehicle interior.
That is, there is a problem that it is dangerous because it is a protrusion that protrudes toward the passenger, and that the operability of both members 3 and 4 is not good because both members 3 and 4 are operated in a straight line.

(Purpose of the invention) In view of the above circumstances, the purpose of the invention is to avoid the brake release operating member etc. from becoming a protruding object toward the passenger, thereby improving safety and improving operability. An object of the present invention is to provide a parking brake device for an automobile.

(Structure of the invention) In order to achieve the above object, the parking brake device for an automobile according to the invention includes a foot-operated parking brake pedal rotatably supported on the vehicle body, and a foot-operated parking brake pedal that maintains the depressed state of the parking brake pedal. The pedal lock mechanism is provided with a release lever that releases the locked state of the pedal lock mechanism, and a release lever locking member that prevents the release lever from being unlocked, and the release lever is located near the driver's seat in the center of the vehicle interior. , the release lever locking member is arranged to be able to freely rotate upwardly and in a substantially horizontal state about the rotational center axis for the unlocking operation, and is formed with an engaging portion consisting of a concave portion or a convex portion; It is disposed in the vicinity of the release lever and below the release lever so as to be rotatable downward, and comprises a convex part or a recess that fits into the engaging part made of the concave part or the convex part; A lock that prevents upward rotation of the release lever by fitting into the engagement portion, and disengages from the engagement portion and allows upward rotation of the release lever by downward rotation of the release lever locking member. A locking portion is formed in the release lever locking member, and the release lever locking member is configured to bias the release lever locking member in an upward rotational direction so as to maintain the engagement between the engaging portion and the locking portion, and to apply the biasing force to the release lever locking member. A biasing means is provided to resist the downward rotation of the release lever locking member, and the operating portion of the release lever locking member and the operating portion of the release lever are in a state before they are operated. The upper surface is arranged substantially flush, and the engaging portion is formed at a position near the rotation center axis of the release lever and at a position opposite to the release lever locking member on the lower surface side of the release lever. , the locking portion is formed at a position facing the engaging portion on the upper surface side of the release lever locking member.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a conceptual side view showing an embodiment of a brake device according to the present invention, and FIG. 2 is an enlarged side view showing a release lever and a release lever locking member portion of the device shown in FIG. .

In this embodiment, as shown in the figure, a foot-operated parking brake pedal 11 is rotatably supported on a vehicle body 10.
A pedal lock mechanism 12 that maintains the depressed state of the pedal 11, a release lever 13 that releases the locked state of the lock mechanism 12, and a release lever locking member 14 that prevents the release lever 13 from being unlocked. Be prepared.

The brake pedal 11 operates the parking brake via the wire 11b by depressing and rotating clockwise around the shaft 11a, and the state in which the pedal is depressed (parking brake operating state) at this time is determined by the pedal lock mechanism. 12. In this embodiment, this pedal lock mechanism is constituted by a ratchet mechanism consisting of a toothed portion 11c formed at the end of the brake pedal 11, and an arm 12a having a sawtooth-like engagement portion 12b that meshes with the toothed portion 11c. There is. Therefore, the brake pedal 11 freely rotates clockwise about the shaft 11a, but the arm 12a rotates counterclockwise.
It cannot be rotated unless it is rotated counterclockwise around the shaft 12c to break the engagement between the tooth portion 11b and the engaging portion 12b. In addition, the above arm 1
2a is constantly biased clockwise by a spring or the like (not shown).

A release lever 13 for releasing the locked state of the pedal lock mechanism 12 is located approximately horizontally on a center console 15 located near the driver's seat in the center of the vehicle interior (usually between the front left and right seats).
That is, the lever 13 is arranged so that the operating portion 13a, which is the main part, that protrudes into the vehicle interior is placed in a substantially horizontal position, and rotated as a lock release operation, which is an operation to release the lock state of the pedal lock mechanism 12. Above (clockwise) about the central axis 13b
It is arranged so that it can rotate. In this case, being able to rotate upwardly means being able to rotate upwards from the approximately horizontal state shown in the figure, and it does not mean rotating downwards to return to the approximately horizontal state shown in the figure after being rotated upwardly. It is structured so that it is naturally possible. The release lever 13 also has one end 1 of the wire 16.
6a, and the other end 16b of the wire 16 is connected to the arm 12a of the pedal lock mechanism. Further, the operating portion 13a of the release lever has a through hole 13c in the center thereof into which an operating portion 14a of a release lever locking member described below is loosely fitted, and a locking portion of the release lever locking member. An engaging portion 13d is formed with which the engagement portion 14b engages.

The release lever locking member 14 is the release lever 13
The operating portion 14a is disposed near the release lever 13 and below the release lever 13, and is rotatable downward (counterclockwise) about the shaft 14c.
is fitted into the through hole 13c of the release lever operating part as described above, and the operating part 1 of this release lever locking member
4a is arranged so as to be substantially flush with the operating portion 13a of the release lever, particularly so that the upper surfaces of both operating portions 13a and 14a are flush with each other. Further, the release lever locking member 14 is formed with an engaging portion 14b that engages with the engaging portion 13d of the release lever to prevent the release lever from rotating upward. In this embodiment, the engaging portion 13d of the release lever is located near the rotation center axis 13b of the release lever 13 and faces the release lever locking member 14 on the lower surface side of the release lever 13. It is formed of a convex portion protruding downward at a position opposite to the engaging portion 13d on the upper surface side of the release lever locking member 14 of the release lever locking member. The engaging portion 13d is a recessed portion into which the engaging portion 13d is engaged and does not allow clockwise rotation of the engaging portion 13d, that is, clockwise rotation of the release lever 13. Further, this release lever locking member 14 is always rotated clockwise by a spring 17, which is an example of a biasing means, that is, the engaging portion 1 of the release lever
3d and the locking portion 14b of the release lever locking member, and the release lever locking member 14 is rotated downward against the urging. It is configured to obtain. 19 is a floor, and 20 is a mounting bracket.

Next, the operation of the above device will be explained.

Assume now that the brake pedal 11 is depressed to activate the brake, and that the pedal lock mechanism 12 maintains (locks) the pedal depression state. The locked state by this locking mechanism 12 is as follows:
By rotating the release lever 13 upward, the wire 16 is pulled in the direction of arrow D, which causes the arm 12a of the locking mechanism to rotate counterclockwise, thereby releasing the lock. That is, by rotating the arm 12a in the counterclockwise direction, the tooth portion 11c and the engaging portion 12b are rotated.
When the brake pedal 11 is disengaged from the brake pedal 11, the brake pedal 11 rotates counterclockwise, and the brake operating state is released.
However, the release lever 13 is
d is engaged with the locking portion 14b of the release lever locking member and is prevented from rotating upward, so first push the operating portion 14a of the release lever locking member 14 downward to release the locking member 14. The brake operating state cannot be released by rotating the release lever 13 upward unless the lever 13 is rotated downward and the engagement between the engaging portion 13d and the locking portion 14b is disengaged.

In the above embodiment, the engaging part 13d is a convex part and the locking part 14b is a concave part, but the engaging part 13d may be a concave part and the locking part 14b is a convex part.

(Effects of the invention) As described above, the parking brake device for an automobile according to the invention combines a release lever and a release lever locking member, and disposes it near the driver's seat, such as in the console part in the center of the vehicle interior, and releases the brake. The lever is arranged in a substantially horizontal state, and the operating part of the release lever locking member is arranged so that the upper surface thereof is substantially flush with the operating part (the part protruding into the vehicle interior) of the release lever. Therefore, in the device according to the present invention, the release lever and the release lever locking member are located near the driver's seat in the center of the vehicle interior, with their upper surfaces substantially horizontal and substantially flush with each other. It is advantageous in terms of safety because it does not create a protruding object that projects toward the occupant, unlike other technologies.

In addition, since the mounting part is near the driver's seat and the release lever and release lever locking member are configured to be rotated together, operability is better than the linear movement operation of the conventional technology. be.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an embodiment of a brake device according to the present invention, FIG. 2 is an enlarged side view showing a release lever and a release lever locking member in the device shown in FIG. 1, and FIG. FIG. 4 is a side view showing a conventional brake device, and FIG. 4 is an enlarged sectional view showing the brake release operation member shown in FIG. 3. 10...Vehicle body, 11...Brake pedal, 12
... Pedal lock mechanism, 13 ... Release lever, 1
3a... Operating section, 13d... Engaging section, 14... Release lever locking member, 14a... Operating section, 14b...
...Locking part, 15...Center console.

Claims (1)

[Scope of Claim for Utility Model Registration] A foot-operated parking brake pedal rotatably supported on the vehicle body, a pedal lock mechanism that maintains the depressed state of the parking brake pedal, and a release lever that releases the locked state of the pedal lock mechanism. and a release lever locking member that prevents the release lever from being unlocked, and the release lever is located near the driver's seat in the center of the vehicle interior and is rotated upwardly about a central axis of rotation. The release lever locking member is rotatably disposed in a substantially horizontal state and has an engaging portion formed of a concave or convex portion, and the release lever locking member is located near the release lever and below the release lever. The release lever is provided with a convex portion or a concave portion that is arranged to be freely rotatable downward and that engages with the engaging portion that is the concave portion or the convex portion. A locking portion is formed in the release lever locking member to prevent the release lever locking member from moving upwardly, and to separate from the engaging portion when the release lever locking member rotates downwardly to allow the release lever to rotate upwardly. The release lever locking member is urged in an upward rotational direction so as to maintain the engagement between the engaging portion and the locking portion, and the release lever locking member is allowed to rotate downward against the urging force. The operating portion of the release lever locking member and the operating portion of the release lever are arranged such that their upper surfaces are substantially flush with each other in a state before they are operated, and the engaging portion is The locking portion is formed at a position near the rotation center axis of the release lever and opposite to the release lever locking member on the lower surface side of the release lever, and the locking portion is located on the upper surface side of the release lever locking member. A foot-operated parking brake device for an automobile, characterized in that the foot-operated parking brake device is formed at a position opposite to the above-mentioned engaging portion.