JPH11166337A - Door lock device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability by making the unlocking operation effective when the release operation and the unlock operation are substantially simultaneously performed in the locking state. SOLUTION: A sub-lever includes a first sub-lever 61 with one end connected to a release lever 3, the other end connected to a locking-unlocking lever 5; a second sub-lever 62 with one end pivoted on the first sub-lever 61, the other end provided with an operating part 62a and an abutting part 62b; and a spring 64 for returning the second sub-lever 62 to the home position. When the locking and unlocking lever 5 is moved from the locking position to the unlocking position with the release lever 3 operated, the abutting part 62b of the second sub-lever 62 is allowed to abut to the engagement part 2a of an open lever 2 and turned with respect to the first sub-lever 61.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock device for a motor vehicle in which a sub-lever swings with respect to an open lever when a release lever is in a lock position and a release lever is operated.

[0002]

2. Description of the Related Art As a conventional door lock device for a vehicle of this type, there is, for example, one having a structure as shown in FIGS. Hereinafter, a conventional configuration will be described with reference to these drawings. A latch fixed to the door side of an automobile and capable of engaging with a striker fixed to the vehicle body side, and engaging the latch to restrain the latch and release the latch to release the restraint of the latch. A body (1) having a built-in engaging member (not shown) has an open lever (2) rotatable integrally with the engaging member, and a door opening operation provided on the outside of the door. Release lever (3) connected to the release handle for the vehicle, and the first locking / unlocking lever connected to the key cylinder arranged outside the door
(4), a second locking / unlocking lever (5) connected to the first locking / unlocking lever (4) with required play, and a release lever (3).
And a sub-lever (6) connected to the second locking / unlocking lever (5).
Are provided.

[0003] Base plate fixed to body (1)
On the side surface of (7), an inside lever (8) that is connected to a release handle disposed on the indoor side of the door and whose arm (8a) can abut against the arm (3a) of the release lever (3). 8) and a locking / unlocking operation means (not shown) such as an actuator operable by a lock knob disposed on the indoor side of the door and a centralized operation switch disposed on the driver's seat, and a second locking / unlocking lever ( 5) is provided with a knob lever (9) connected via a connecting lever (10).

The first and second locking / unlocking levers (4) and (5) are pivotally attached to the body (1) with a shaft (11).
(5) The locking position shown in FIG. 10 and the unlocking position rotated clockwise by a predetermined amount from the locking position by actuation of the actuator by locking and unlocking of the key cylinder and the lock knob and operation of the centralized operation switch. And is held in the locked position and the unlocked position with a predetermined holding force by the urging force of a holding spring (12) provided between the base plate (7) and the knob lever (9).

The sub-lever (6) has a release lever at the upper end.
The lower end is pivotally connected to (3), and the lower end is vertically movably connected to the arm (5a) of the second locking / unlocking lever (5) via the elongated hole (6a). The action portion (6b) formed on the sub-lever (6) is
When the locking / unlocking lever (5) is in the locking position, as shown in FIG. 10, the locking / unlocking lever (5) is located at the locking position where the engaging portion (2a) of the open lever (2) is swung, and the second locking / unlocking lever (5). Is in the unlocked position, it moves to the right by a predetermined amount from the locked position and moves to the unlocked position where it can come into contact with the engaging portion (2a).

When the second unlocking lever (5) is in the unlocking position, the release lever is operated by operating the release handle.
(3) is rotated clockwise in FIG.
(6) is moved downward, and the action part (6b) of the sub-lever (6) is moved.
Abuts on the engaging portion (2a) of the open lever (2) and rotates the open lever (2) clockwise, thereby opening the door. Also, the second locking / unlocking lever
When (5) is in the locked position, the operating portion (6b) of the sub-lever (6) is engaged with the engaging portion (2a) of the open lever (2) as shown in FIG. , The door is not opened.

[0007] When the centralized operation switch of the driver's seat is locked or unlocked, the actuators of the other doors on the passenger's seat door and the rear door are operated to lock or unlock all the door lock devices of the other doors. It can be unlocked.

[0008]

However, in the above-described conventional vehicle door lock device, since the passenger gets on and off the vehicle, the release handle is operated even though the passenger seat door is locked. Simultaneously with or immediately after that, when the centralized operation switch in the driver's seat is unlocked and the actuator is unlocked, it is formed on the side edge of the sub lever (6) close to the action portion (6b). The abutting part (6c) is connected to the open lever (2) as shown in FIG.
Of the sub-lever (6) is prevented from moving in the unlocking direction. Therefore, despite the unlocking operation, the second locking / unlocking lever (5) and the sub-lever
(6) is held in the locked position, and the unlocking operation of the driver's seat becomes invalid. In this case, it is necessary to release the release operation of the release handle and operate the centralized operation switch again, which makes the operation troublesome.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to improve the operability by enabling an unlocking operation when a release operation and an unlocking operation are performed almost simultaneously in a locked state. An object of the present invention is to provide a door lock device for an automobile.

[0010]

According to the present invention, the above-mentioned problem is solved as follows. By engaging the latch, the latch is restrained, and by releasing from the latch, the open lever connected to the engaging member configured to release the restraint of the latch, and the release handle provided on the door, A release lever that performs a release operation, a locking / unlocking operation means provided on the door, and a locking / unlocking lever movable to an unlocking position and a locking position, and a release lever and a locking / unlocking lever connected to the release / locking lever. It can be moved to the unlocked position and the locked position in conjunction with each other. When it is in the unlocked position, it can be brought into contact with the engaging portion of the open lever by the release operation of the release lever, and when it is in the locked position, it can be opened. Having an action portion that swings with respect to the engagement portion of the lever, and in a state in which the action portion is swingingly moved, by being moved from the locked position to the unlocked position, In the automotive door lock device and a sub lever having abutment portion abutting to the engaging portion of Punreba, the sub-lever is one end connected to the release lever,
A first sub-lever having the other end connected to the locking / unlocking lever and movable to an unlocking position and a locking position in conjunction with the locking / unlocking lever; one end connected to the first sub-lever; The contact portion is formed on the side edge of the other end close to the action portion, and when the first sub-lever is in the unlocking position, the action portion is opened. A second sub-lever which is rotatable from an original position facing the engagement portion to a range corresponding to a movement amount of the first sub-lever from a locked position to an unlocked position, and biases the second sub-lever toward the original position Biasing means for performing the operation.

[0011]

1 to 5 show a first embodiment of the present invention. It is to be noted that the same structural parts as those in the related art are denoted by the same reference numerals and are not illustrated, detailed description is omitted, and only the structure different from the related art will be mainly described. In the present invention, a member corresponding to the conventional sub-lever (6) is constituted by a first sub-lever (61), a second sub-lever (62), and a spring (biasing means) (64).

An upper end of the first sub-lever (61) is rotatably connected to the release lever (3) with a shaft (13), and a lower end of the first sub-lever (61) is connected to an arm (5a) of the second unlocking lever (5). (61a) is connected so as to be vertically movable.

An upper end of the second sub-lever (62) is pivotally connected to the first sub-lever (61) with a shaft (63), and a lower end of the second sub-lever (62) can contact an engaging portion (2a) of the open lever (2). An action part (62a) is formed, and on the right side edge of FIG. 1 near the action part (62a),
An abutting portion (62b) is formed on the left side surface of the engaging portion (2a), and the right side edge thereof abuts on the first sub-lever (61) and is opposed to the second sub-lever (62). A stopper (62c) for restricting clockwise rotation is formed. A spring (64) as urging means is wound around the shaft (63). The spring (64)
One end is to the first sub-lever (61) and the other end is to the second sub-lever (6).
2), the second sub-lever (62) is urged counterclockwise in FIG.

The second sub-lever (62) usually has a stopper
(62c) abuts on the first sub-lever (61) and is held at an original position having a predetermined angle with respect to the first sub-lever (61). The first sub lever (61) and the second sub lever (6
The urging force of the spring (64) acting on the second locking / unlocking lever
The holding spring (1) acting on the knob lever (9) connected to (5)
It is set smaller than the biasing force of 2). In addition, in FIG.
(14) shows a lock knob connected to the knob lever (9).

When the first unlocking lever (5) is in the unlocking position shown in FIG. 5, the first sub-lever (61) is moved downward by the release lever (3), so that the first sub-lever (61) is moved. On the other hand, the second sub-lever (6
The action portion (62a) of (2) comes into contact with the engagement portion (2a) of the open lever (2), and the engagement member can be disengaged to open the door. When in the position, the action portion (62a) swings with respect to the engagement portion (2a) of the open lever (2).

When the release handle is operated while the first locking / unlocking lever (5) is at the locking position shown in FIG. 1, both the first sub-lever (61) and the second sub-lever (62) move downward. Then, the action portion (62a) of the second sub-lever (62) swings by the side of the engagement portion (2a) of the open lever (2). In this state, when the centralized operation switch in the driver's seat is unlocked, the actuator connected to the knob lever (9) is operated, and the force for moving the first locking / unlocking lever (5) to the unlocking position is increased. Works. At this time, the second sub lever (62)
The action part (62a) is located on the side of the engagement part (2a) as shown in FIG. 4, and the contact part (62b) comes into contact with the side surface of the engagement part (2a). Only (61) moves to the release position together with the second unlocking lever (5) against the biasing force of the spring (64).

After that, when the release operation of the release handle is released, the first and second sub levers (61) and (62) return upward and the contact portion (62b) of the second sub lever (62) is engaged. By disengaging from the part (2a), the second sub-lever (62)
Is moved to the unlocked position by the biasing force of the spring (64),
It can return to the original position shown in FIG. Therefore, the door can be opened by operating the release handle again.

In the above-described embodiment, the present invention is applied to a door lock device on the front side. When the present invention is applied to a door lock device on the rear side, for example, FIGS. It can be configured as shown in the second embodiment.

In the second embodiment, only the shape of each lever is different, and the operation and effect of the parts related to the present invention are almost the same as those in the first embodiment. Only the same reference numerals are given to the constituent members, and the detailed description is omitted.

In the second embodiment, the first sub-lever (61) moves in a plane perpendicular to the open lever (2).
The operating part (62a) of the sub-lever (62) is also open lever (2)
The first embodiment differs from the first embodiment in that it is pushed up from below so as to be orthogonal to the engaging portion (2a) of the first embodiment. Are common in

That is, as shown in FIG. 7, when the release handle is operated in a state where the locking / unlocking lever (5) is located at the locking position, the first sub-lever (61) and the first sub-lever (61) are operated by the release lever (3). The two sub-lever (62) is lifted upward in an idle swing state. In this state, when the central control switch of the driver's seat is unlocked, the actuator connected to the locking / unlocking lever (5) is operated, and the locking / unlocking lever (5) is moved toward the unlocking position. At this time, as shown in FIG. 9, the contact portion (62b) of the second sub-lever (62) comes into contact with the distal end surface of the engaging portion (2a) of the open lever (2) and is stopped. Only one sub-lever (61) is moved to the unlocked position against the biasing force of the spring (64).

Thereafter, when the release operation of the release handle is released, the first and second sub levers (61) and (62) return downward and the contact portion (62b) of the second sub lever (62) is engaged. By disengaging from the part (2a), the second sub-lever (62)
Is moved in the unlocking position direction by the urging force of the spring (64), returns to the original position shown in FIG. 8, and can maintain the unlocked state.

When the release handle is operated in the unlocked state shown in FIG. 8, the engaging portion (2a) of the open lever (2) is pushed up by the operating portion (62a) of the second sub-lever (62). Can open the door.

[0024]

According to the present invention, the following effects can be obtained. (a) With the release operation being performed in the locked state,
When the driver's seat central operation switch is unlocked, the locking / unlocking lever can be moved to the unlocked position. After that, once the release operation is released, the unlocked state can be maintained. The unlocked operation becomes effective, and it is not necessary to perform a complicated operation such as retrying the unlocking operation of the centralized operation switch as in the related art.

(B) When the action portion of the second sub-lever is engaged with the engagement portion of the open lever, the movement of the locking / unlocking lever in the unlocking direction is not prevented. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a side view as viewed from A in FIG.

FIG. 3 is a bottom view as viewed from B in FIG. 2;

FIG. 4 is a front view of a main part during a release operation.

FIG. 5 is a front view of a main part in an unlocked state.

FIG. 6 is a front view of a locked state according to the second embodiment of the present invention.

FIG. 7 is a side view of the same.

FIG. 8 is a side view of a main part in an unlocked state.

FIG. 9 is a side view of the main part during the release operation.

FIG. 10 is a front view of a conventional door lock device.

FIG. 11 is a side view as viewed from C in FIG. 10;

FIG. 12 is a front view of a main part when a conventional sub-lever swings idly.

[Explanation of symbols]

 (2) Open lever (2a) Engaging part (5) First locking / unlocking lever (12) Holding spring (61) First sub lever (62) Second sub lever (62a) Working part (62b) Contact part (62c) Stopper (63) Shaft (64) Spring (biasing means)

Claims (1)

[Claims] An open lever connected to an engaging member configured to restrain the latch by engaging with the latch and release the latch by releasing from the latch; and a release provided on the door. A release lever that is connected to the handle and performs a release operation, is connected to a locking and unlocking operation means provided on the door, and is connected to an unlocking position and an unlocking lever movable to a locking position, and is connected to a release lever and an unlocking lever. It can be moved between the unlocking position and the locking position in conjunction with the locking and unlocking lever, and when in the unlocking position, the release lever can be released to contact the open lever engaging portion. In the condition (1), the operating portion has an operating portion that swings with respect to the engaging portion of the open lever, and is moved from the locking position to the unlocking position in a state where the operating portion is swinging and moving. Thereby, in a vehicle door lock device including a sub-lever having a contact portion abutting on an engagement portion of an open lever, the sub-lever has one end connected to a release lever, the other end connected to an unlocking lever, and A first sub-lever movable in an unlocking position and a locking position in conjunction with the locking / unlocking lever; one end connected to the first sub-lever; The contact portion is formed on the side edge of the other end, and when the first sub-lever is in the unlocked position with respect to the first sub-lever, the action portion is moved from the original position facing the engaging portion of the open lever to the first sub-lever. A second sub-lever rotatable to a range corresponding to a movement amount of the one sub-lever from a locked position to an unlocked position; and urging means for urging the second sub-lever toward the original position. Automotive door lock device.