JP2001271531A - Door locking apparatus for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the antitheft performance of a door locking apparatus for an automobile, which has achieved so-called double-action override operation. SOLUTION: The door locking apparatus for an automobile, is comprised of an operating lever 21 and a switching lever 24. The operating lever 21 is arranged in a transmission path between an inside lever 19 and an outside lever 15. Further, the operating lever 21 is interlocked with a locking/unlocking lever 12 such that when the operating lever 12 is moved in an opening direction by the inside lever 19, it moves the outside lever 15 in the opening direction and moves the locking/unlocking lever 12 from a locked position to an unlocked position. The switching lever 24 can move to the unlocked position where the operating lever 21 can be moved in the opening direction by the inside lever 19, and to the locked position where it cannot be moved in the opening direction.

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 an automobile in which the same handle can be operated twice from the inside of a vehicle to switch the locked state to the unlocked state and open the door. .

[0002]

2. Description of the Related Art In a conventional vehicle door lock device, a locking / unlocking mechanism is switched from a locked state to an unlocked state by a first operation of an inside handle provided inside the door, and a second operation of the inside handle is performed. It is known that a so-called double action override operation in which the door is opened by the second operation is made possible (for example, see Japanese Patent Application Laid-Open No. H11-166338).

[0003]

However, in the above-described conventional door lock device, the door can be quickly opened even if the locking / unlocking mechanism is in the locked state, but the locking / unlocking mechanism is in the locked state. In spite of the fact that the door is closed, there is a possibility that the inside handle is operated from outside the vehicle and the door is opened carelessly by unauthorized means.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has been improved in operability of door opening and anti-theft property in a double-action override operation. It is an object to provide a locking device.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) The open lever that releases the locked state between the vehicle body and the door by being moved in the open direction, and the outside handle that is connected to the outside handle provided outside the door and that is movable in the open direction Lever and
An inside lever connected to an inside handle provided on the inside of the door and movable in an open direction, an unlocking lever moved to an unlocking position and a locking position by appropriate operation means, and the outside lever A first sub-lever connected to the lock lever and the unlocking lever and moved to the unlocking position and the locking position by the locking and unlocking lever; and a first sub-lever connected to the first sub-lever and the first sub-lever is in the unlocking position. When the outside lever moves in the open direction, the outside lever can be engaged with the engaging portion of the open lever to move the open lever in the open direction, and the first sub-lever is in the locked position. And a second sub-lever having a release portion for oscillating against the engaging portion of the open lever, wherein the second sub-lever is oscillated. During the movement, the lock lever is moved from the lock position to the unlock position, so that the second sub lever is in contact with the side surface of the engaging portion of the open lever, and the first sub lever is The door lock device for an automobile, wherein the second sub-lever is moved to the unlocking position by the urging force of a spring when the outside lever is returned to the original position after being moved to the unlocking position. By being provided in the transmission path between the inside lever and the outside lever, and being moved in the open direction by the inside lever, the outside lever is moved in the open direction, and the locking / unlocking lever is moved from the locked position. An actuating lever associated with the locking and unlocking lever for moving to the unlocking position; A switching lever that is linked to a side lever and an operating lever and that can be moved between an unlocked position that allows the inside lever to move in the opening direction by the inside lever and a locked position that disables movement in the opening direction; And

(2) In the above item (1), the switching lever is moved to the locked position and the unlocked position by an actuator operable by operating an appropriate operation switch.

(3) In the above item (1) or (2), the first sub-lever and the second sub-lever are pivotally connected to the outside lever coaxially.

(4) In the above item (3), the spring for urging the second sub-lever is a coil spring, and the coil spring is recessed around the rotation axis of the first sub-lever or the second sub-lever. It is housed in a hole-shaped housing.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In the following description, the left side in FIG. 1 is referred to as “front” and the right side as “rear”.

(1) A meshing mechanism main body fixed to a side panel of a door with a plurality of bolts (not shown). Inside the main body, a meshing mechanism is fixed to a vehicle body side as the door is opened and closed as a meshing mechanism. A latch (not shown) that can be disengaged from the striker (not shown), and an engaging member (not shown) that engages with the latch to prevent rotation of the latch and restrain the door in the closed state. Are rotatably accommodated.

[0011] (2) is a base plate fixed to the front surface of the engagement mechanism body (1), the mounting piece (2) bent forward.
A guide hole (3) having upper and lower guide holes (3a) (3b) facing rearward is formed in the lower part of (a). An uneven check portion (3c) is provided on the upper inner edge of the upper guide hole (3a).

In FIG. 1, (4) shows a base plate.
An actuator fixed to the mounting piece (2a) of (2), and a first motor rotatable in predetermined forward and reverse directions by operating an operation switch provided near a driver's seat in the housing (4a). (5) and a second motor (6) rotatable in a predetermined forward and reverse direction by operation of another operation switch are housed, and outside the housing (4a), the shafts (4b) and (4c) are held. , Knob lever (7) and output lever (9) are pivotally mounted.

The first motor (5) rotates the knob lever (7) via a sector gear (8) pivotally mounted in the housing (4a). The second motor (6) rotates the output lever (9) via a sector gear (10) pivotally mounted in the housing (4a).

The knob lever (7) has an engaging portion (7a) at the lower end.
With a slit (7b) at the top and an arm (7c) facing backwards
The first motor (5) is rotatable between an unlocked position shown in FIG. 1 and a locked position shown in FIG. 3 by rotation of the first motor (5).

A lower end (11a) of a key lever (11) pivotally attached to an upper portion of the mounting piece (2a) is engaged with the slit (7b). The key lever (11) is linked to a key cylinder (not shown) provided on the vehicle outside of the door, and the knob lever (7) can be moved to a locking position and an unlocking position by operating the key cylinder. Note that the knob lever (7) can be moved to the locking position and the unlocking position by manual operation of a lock knob (not shown) provided inside the door.
It is connected to the lock knob via a cable (not shown).

In FIG. 4, reference numeral 12 denotes a locking / unlocking lever pivotally attached to the base plate 2 with a shaft portion 12a, and a connecting hole 12b formed in the left end thereof has a knob lever.
The arm (7c) of (7) is engaged and the locking / unlocking lever (12)
Can be moved to the unlocked position shown in FIG. 4 and the locked position shown in FIG. 5 in conjunction with the movement of the knob lever (7) to the locked position and the unlocked position.

The elastic piece (12c) provided between the shaft (12a) and the connecting hole (12b) of the locking / unlocking lever (12) is connected to the engaging mechanism main body.
By pressing against the convex check portion (1a) provided in (1), the locking and unlocking lever (12) is stably held at the locking position and the unlocking position.

(13) is an open lever fixed to a shaft (14) of an engaging member projecting from the front surface of the meshing mechanism main body (1).
At the right end, an engaging portion (13a) bent forward is provided, and is rotated in the open direction (clockwise in FIGS. 4 and 5), so that the engaging member, the latch and Can be released to open the door.

(15) The shaft (1) is located below the base plate (2).
5a), is connected via a cable (not shown) to an outside handle (not shown) provided on the outside of the door of the vehicle, and is operated in the opening direction (FIGS. 4 and 5). 5 is rotated counterclockwise).

(16) is a vertically long hole provided on the upper part
(16a) is a protrusion (12) provided at the bottom of the locking / unlocking lever (12).
d) is a first sub-lever which is fitted to the outside lever (15) with a shaft (16b) provided at the lower end thereof so as to be slidable in the up-down direction. Following the movement to the unlocking position and the locking position, it moves to the unlocking position shown in FIG. 4 and the locking position shown in FIG. By moving in the open direction of 15), it moves downward.

(17) is a second sub-lever whose lower end is pivotally connected to the outside lever (15) by a shaft portion (16b) of the first sub-lever (16). A hook-shaped release portion (17a) that can be engaged with the engagement portion (13a) is provided, and a right edge of the release portion (17a) is provided with a contact that can contact the left side surface of the engagement portion (13a). A contact portion (17b) is provided.

As shown in FIGS. 10 and 11, a compression coil spring (18) is accommodated in a curved accommodation portion (16c) provided below the shaft portion (16b) of the first sub-lever (16). Have been. The opening of the storage section (16c) is closed by the second sub-lever (17).

The spring (18) has its right end in contact with the right wall surface of the housing portion (16c) and its left end in contact with the bent piece (17c) of the second sub-lever (17). In FIGS. 4 and 5, it is urged clockwise. The biasing force of the spring (18) is
The force is set to be smaller than the force for retaining the locking / unlocking lever (12) of the elastic piece (12c).

The second sub-lever (17) is usually provided with a stopper (17d) provided on the upper part as shown in FIGS.
Abuts on the first sub-lever (16) and the first sub-lever (16)
Is held at an original position having a predetermined angle with respect to
It is movable to a locking position and an unlocking position together with the first sub-lever (16), and is also movable up and down.

As shown in FIG. 4, when the locking / unlocking lever (12) is at the unlocking position, the first and second sub-lever (16) (17) are moved by moving the outside lever (15) in the opening direction.
Is moved downward, the release portion (17a) of the second sub-lever (17) comes into contact with the engagement portion (13a) of the open lever (13), and the open lever (13) is rotated in the open direction. hand,
You can open the door.

As shown in FIG. 5, the locking / unlocking lever (1
When 2) is in the locked position, the outside lever (15)
Of the first and second sub levers (1
6) Even if (17) moves downward, as shown in FIG.
The door (17a) does not swing with respect to the engaging portion (13a) so that the door cannot be opened.

1 to 3, reference numeral (19) denotes an inside lever pivotally attached to a mounting piece (2a) of a base plate (2) with a horizontal shaft (20), and a rear shaft (20). ), And an engaging portion (19) continuously provided in the eccentric direction with respect to the shaft (20) from the lower end of the oscillating portion (19a).
b) and a cable connection hole (1
9c) is connected to an inside handle (not shown) provided inside the door via a cable (not shown), and is opened in the opening direction (clockwise in FIGS. 1 to 3) by opening the inside handle. It can be rotated.

(21) is pivotally mounted on the mounting piece (2a) with the same shaft (20) as that on which the inside lever (19) is pivoted, and between the inside lever (19) and the outside lever (15). The operating lever provided in the transmission path of
(Clockwise in FIG. 3),
The contact part (1) provided on the left end of the outside lever (15)
5b), the release part (21a) that allows the outside lever (15) to open and move, and the mounting piece (2a)
(22) is brought into contact with the lower part (23a) of the pivotally connected linkage lever (23), and the linkage lever (23) is moved from the position shown in FIG. A long hole (21c) facing eccentrically with respect to the shaft (20) so that the linking part (21b) that can be moved to the position shown and the engaging part (19b) of the inside lever (19) overlap in the left-right direction. And

The linking lever (23) is moved from the position shown in FIG. 1 to the canceling position shown in FIG. 2 by the operating lever (21), so that the arm (23b) facing upward is engaged with the knob lever (7). The knob (7) is brought into contact with the joint (7a) and the knob lever (7) is moved from the locked position to the unlocked position, and the locking and unlocking lever (12) and the first and second sub-lever (16) (17) are moved from the locked position to the unlocked position. Move to

Reference numeral (24) denotes a switching lever formed of a synthetic resin material. The switching lever is sandwiched between the mounting piece (2a) of the base plate (2) and the inside lever (19) so as to be slidable in the front-rear direction. At the rear end of the base (24d) formed in a C shape so as to bypass the lower part of the shaft (20), the idle swing part (19a) and the engagement part (19b) of the inside lever (19) are provided. In addition, a pin-shaped protrusion (24a) is engaged with the operation lever (21) so as to be movable in the front-rear direction substantially in the long hole (21c), and the front end of the base (24d) is provided with As shown in the figure, a tongue-shaped elastic piece (24b) slidably fitted into the check portion (3c) formed on the upper edge of the lower guide hole (3b), and slidably and rotatably fitted therein. Shaft (24
c) is provided. The shaft (24c) is the actuator
It is rotatably connected to the free end of the output lever (9) of (4).

The switching lever (24) is an inside lever (19)
And on the same plane as the operating lever (21), can move in the front-rear direction, and can rotate about the shaft (24c), and as shown in FIG. As shown in FIG. 3, the unlocking position where the engaging portion (19b) is engaged and the locking position where the protruding portion (24a) is located on the idle swing portion (19a) can be moved.
This movement is performed by the rotation of the output lever (9) by the rotation of the motor (6).

The elastic piece (24b) is connected to the check section as described above.
(3c) is pressed into contact with the switching lever
While holding (24) in the unlocked and locked positions,
When in the unlocked position, a gap is formed between the rear edge of the elastic piece (24b) and the rear end of the upper guide hole (3a) so that it can rotate around the shaft (24c). It has become so.

As shown in FIG. 1, when the switching lever (24) is in the unlocking position and the inside lever (19) moves in the open direction, the projection (24a) is engaged as shown in FIG. The inside lever (19) and the operating lever (21) are protruded so that the engaging lever (21b) is engaged with the joint (19b) and the operating lever (21) and the outside lever (15) are moved in the open direction. 24a)
Connected by That is, the inside lever (19)
A transmission path is connected between the outside lever (15) and the outside lever (15).

The switching lever (24) is an inside lever (19).
With this rotation, the elastic piece (24b) rotates in the upper guide hole (3c) while rotating clockwise about the shaft (24c).

As shown in FIG. 3, when the switching lever (24) is in the locked position, even if the inside lever (19) rotates in the open direction, the engaging portion (19b) is engaged with the projection (24a). Swing the inside lever (19) to rotate the operation lever (2
The connection between the inside lever (19) and the operating lever (21) is released so as not to be transmitted to (1). That is, the transmission path between the inside lever (19) and the outside lever (15) is disconnected.

In the above-described embodiment, the idle swing portion
(19a) and the engaging portion (19b) to the operating lever (21),
(21c) is provided on the operating lever (21), but instead of this, the idling portion (19a) and the engaging portion (19b) are connected to the operating lever (21).
Alternatively, a long hole (21c) may be provided in the inside lever (19). In this case, the idle swing portion (19a) is provided continuously below the engagement portion (19b).

Next, the operation of the embodiment of the present invention will be described. (A) (When both the unlocking lever and the switching lever are in the unlocking position) In the state shown in FIG. 4, by operating the outside handle from outside the vehicle, the outside lever (15) and the second sub lever (17) are operated. ), The door can be opened by rotating the open lever (13) in the open direction via the release portion (17a).

In the state shown in FIG. 1, the inside lever is operated by operating the inside handle from inside the vehicle.
(19) The open lever (13) is rotated in the open direction via the release lever (17a) of the switching lever (24), the operating lever (21), the outside lever (15), and the second sub-lever (17). Let's open the door.

(B) (When the unlocking lever is in the locking position and the switching lever is in the unlocking position) In the state shown in FIG. 5, when the outside handle is operated, the second sub-lever (17) is moved to the outside lever. (1
Even if it moves downward through (5), as shown in FIG. 6, the door cannot be opened because the release portion (17a) swings against the engagement portion (13a) of the open lever (13). .

Next, when the inside handle is operated, first, through the inside lever (19), the switching lever (24), the operating lever (21) and the outside lever (15),
The two sub levers (16) and (17) move downward, and as shown in FIG. 6, the releasing portion (17a) is engaged with the engaging portion (13a) of the open lever (13).
Swings to the side of.

At the same time, the link lever (23) is moved to the cancel position in conjunction with the opening movement of the operating lever (21), so that the link lever (23) is moved via the knob lever (7) and the locking / unlocking lever (12). As shown in FIG. 7, the first and second sub levers (16) and (17) are moved from the locked position in the unlocking direction,
The contact part (17b) of the second sub lever (17) is
(13) is brought into contact with the side surface of the engaging portion (13a),
(16) only, the locking / unlocking lever against the biasing force of the spring (18)
Move to the unlocking position together with (12).

In this state, when the operation of the inside handle is released, the outside lever (15) returns to the original position before the movement, and the first and second sub levers (16) and (17) move upward. When the contact portion (17b) of the second sub-lever (17) is disengaged from the engaging portion (13a) of the open lever (13), the second sub-lever (17) is unlocked by the urging force of the spring (18). It is moved to.

Next, when the inside handle is operated again, the locking / unlocking lever (12) is in the unlocked position.
The door can be opened in the same manner as in (A).

That is, the first operation of the inside handle moves the locking / unlocking lever (12) from the locked position to the unlocked position, and the second operation allows the door to be opened. The door can be opened by an action override operation.

(C) (When the unlocking lever is at the unlocking position and the switching lever is at the locking position) In this state, the door is opened by operating the outside handle in the same manner as in (A) above. be able to.

On the other hand, in the operation from the inside handle, even if the inside lever (19) moves open,
Since the idle swing part (19a) swings against the protrusion (24a) of the switching lever (24) and its open movement is not transmitted to the operating lever (21), the door can be opened even if the inside handle is operated. Can not. In this state, it is possible to prevent the door from being opened due to mischief of a child or the like in the vehicle.

(D) (Both the locking and unlocking levers and the switching lever are locked) In this state, even if the outside handle is operated from outside the vehicle, the door cannot be opened in the same manner as in (B) above. Further, even if the inside handle is operated from inside the vehicle, the door cannot be opened in the same manner as in (C).

That is, by setting the switching lever 24 to the locked position, the double action / override operation is disabled, and the door cannot be opened by the inside handle. Therefore, it is impossible to open the door by operating the inside handle from outside the vehicle due to cheating.

[0049]

According to the present invention, the following effects can be obtained. (a) According to the first aspect of the present invention, even when the door is locked, the door can be quickly opened from inside the vehicle by a double action override operation.
In addition, by disabling the double action override operation, the door opening by the inside handle is disabled and the antitheft property can be improved, and erroneous operation by a child or the like is prevented, and safety is secured. be able to.

(B) According to the second aspect of the present invention, the double action / override operation can be switched between enabled and disabled by remote control, which is convenient.

(C) According to the third aspect of the invention, the number of parts can be reduced, and the first and second sub-lever can be pivotally connected to the outside lever, and the size can be reduced.

(D) According to the fourth aspect of the invention, it is possible to prevent rainwater, dust and the like from adhering to the spring, and to obtain a reliable operation for a long time.

[Brief description of the drawings]

FIG. 1 is a side view of an embodiment of a door lock device of the present invention.

FIG. 2 is a side view of a main part when the inside lever is moved in an open direction.

FIG. 3 is a side view of the main part when the double action / override operation is disabled.

FIG. 4 is a front view of the door lock device when the locking / unlocking lever is at an unlocking position.

FIG. 5 is a front view of the door lock device when the locking / unlocking lever is in a locking position.

FIG. 6 is a front view of a main part when the second sub lever is swinging and moving.

FIG. 7 is a front view of a main part when a double action / override operation is performed.

FIG. 8 is a longitudinal sectional front view along the line VIII-VIII in FIG. 1;

FIG. 9 is a cross-sectional view along the line IX-IX in FIG.

FIG. 10 is a vertical sectional side view along the line XX in FIG. 5;

FIG. 11 is a vertical sectional view taken along the line XI-XI in FIG. 10;

[Explanation of symbols]

 (1) Meshing mechanism body (1a) Check part (2) Base plate (2a) Mounting piece (3) Guide hole (3a) Upper guide hole (3b) Lower guide hole (3c) Check part (4) Actuator (4a) Housing (4b) (4c) shaft (5) First motor (6) Second motor (7) Knob lever (7a) Engagement part (7b) Slit (7c) Arm (8) Sector gear (9) Output lever (10) Sector gear (11) Key lever (12) Locking / unlocking lever (12a) Shaft (12b) Connection hole (12c) Elastic piece (12d) Projection (13) Open lever (13a) Engagement part (14) Engagement member Shaft (15) Outside lever (15a) Shaft (15b) Abutment (16) First sub-lever (16a) Slot (16b) Shaft (16c) Housing (17) Second sub-lever (17a) Release (17b) Contact part (17c) Bend piece (17d) Stopper (18) Spring (19) Inside lever (19a) Missing part (19b) Engagement part (19c) Cable connection hole (20) Shaft (21) Operation Lever (21a) Release part (21b) Linking part (21c) Slot (22) Shaft (23) Linking lever (23a) Lower part (23b) Arm (24) Off Lever (24a) projections (24b) elastic piece (24c) shank (24d) base (25) spring

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masakazu Akahori 1-14-7 Maruyama, Isogo-ku, Yokohama-shi F-term in Oi Works, Ltd. (reference) 2E250 AA21 HH01 JJ05 JJ34 JJ37 KK02 LL01 NN01 PP02 PP13 QQ03 RR13 RR25 RR44

Claims (4)

[Claims] An open lever for releasing a locked state between a vehicle body and a door by being moved in an open direction, and an outside handle provided on a vehicle outside of the door are connected to be movable in the open direction. An outside lever, an inside lever connected to an inside handle provided inside the door, and movable in the opening direction, and an unlocking lever that is moved to an unlocking position and a locking position by an appropriate operation means. A first sub-lever connected to the outside lever and the locking / unlocking lever and moved to an unlocking position and a locking position by the locking / unlocking lever; and a first sub-lever connected to the first sub-lever. When in the unlocked position, the outside lever moves in the open direction to engage with the engagement portion of the open lever. A second sub-lever having a release portion that can move the open lever in the open direction and, when the first sub-lever is in the locked position, swings away from the engagement portion of the open lever. While the second sub-lever is swinging, the locking / unlocking lever is moved from the locking position to the unlocking position, so that the second sub-lever contacts the side surface of the engaging portion of the open lever. An automobile in which the first sub-lever is moved to an unlocking position, and thereafter, the outside lever returns to the original position, whereby the second sub-lever is moved to the unlocking position by the urging force of a spring. In the door lock device for, provided in the transmission path between the inside lever and the outside lever, and by the inside lever By being moved in the opening direction, the outside lever is moved in the opening direction, and the operating lever linked to the locking and unlocking lever is moved to move the locking and unlocking lever from the locked position to the unlocked position. , Which is linked to the inside lever and the operating lever, and is movable between an unlocked position that enables the inside lever to move the operating lever in the open direction and a locked position that disables the open lever from moving in the open direction. An automobile door lock device comprising a switching lever. 2. The vehicle door lock device according to claim 1, wherein the switching lever is moved to a locked position and an unlocked position by an actuator operable by operating an appropriate operation switch. 3. A first sub-lever and a second sub-lever,
3. The door lock device for an automobile according to claim 1, wherein the door lock device is coaxially pivotally attached to the outside lever. 4. A spring for urging the second sub-lever is a coil spring, and the coil spring is housed in a circular hole-like housing recessed around a rotation axis of the first sub-lever or the second sub-lever. The vehicle door lock device according to claim 3.