JPH0784828B2 - Door lock operating device for automobiles - Google Patents

Description

TECHNICAL FIELD The present invention relates to a door lock operating device for an automobile, which is provided with an override mechanism having excellent anti-theft property and safety.

[Conventional technology]

A conventional device having an override mechanism is disclosed in, for example, Japanese Patent Publication No. 58-4152.

This device interlocks the release lever that moves the locking lever in the unlocking direction, directly or indirectly, in conjunction with the inside lever that is moved by the release operation of the inside handle provided inside the door. By making it possible to switch to the interlocking position, when the locking lever is in the locking position and the release lever is in the interlocking position, the opening lever can be operated by the release operation of the inside handle to open the door, and It enables the operation of the override mechanism that allows the locking lever to be moved from the locked position to the unlocked position, and disables the operation of the override mechanism when the release lever is in the non-interlocking position, so that the inside handle The door opening operation by the unlocking operation can be disabled.

[Problems to be Solved by the Invention]

In the above device, when the lock operation is performed from the outside of the vehicle to park the vehicle, the lock lever moves to the lock position,
Although it is impossible to open the door with the outside handle installed outside the vehicle, unless the release lever is in the non-interlocking position, the thin plate can be inserted into the vehicle compartment between the window glass and the seal by the theft of a third party. As a result, the door may be opened by releasing the inside handle, which is not preferable for theft prevention.

This problem is solved by operating the release lever to the non-interlocking position before operating the lock from the outside of the vehicle.This operation is performed by operating the release lever to the non-interlocking position and the locking position of the lock lever. There is a problem in that the operability is deteriorated because two operations, that is, a locking operation for the lock are required.

Also, from inside the car, as long as the locking lever is in the unlocked position,
The inside handle can always be used to open the door regardless of the position of the release lever, so it is not desirable for safety if a child, etc. is inside the vehicle, and the passenger side doors other than the driver's side door are not safe. There is a problem that it is not suitable.

The present invention has been made in view of such conventional problems, and the purpose thereof is to be applicable to all doors, improve operability, and have excellent anti-theft property and safety. An object is to provide a door lock operating device for an automobile.

[Means for solving problems]

In order to achieve the above object, the present invention, when the locking / unlocking mechanism is unlocked by the locking / unlocking operation member provided inside the vehicle, either the inside handle or the outside handle provided inside or outside the door is used. The door can also be opened by operating it, and when the locking / unlocking mechanism is in the locked state, the door cannot be opened even if the outside handle is operated, but it can be opened by operating the inside handle. A door is possible, and by opening the door in this state, an override mechanism for returning the locking and unlocking mechanism from the locked state to the unlocked state, and when the locking and unlocking mechanism is in the unlocked state, The door can be opened by operating the outside handle, but even if the inside handle is operated, the door cannot be opened. A door lock main body having a child proof mechanism that can be brought into a locked state, an electrically driven first actuator connected to operate the locking / unlocking mechanism from at least the unlocked state to the locked state, and the operation of the override mechanism. A second electric actuator that is disabled and is connected to operate the child proof mechanism in a child proof locked state; and an exterior locking / unlocking operation switch capable of detecting a locking operation of a locking / unlocking operation member provided outside the vehicle. When the lock / unlock operation switch on the outside of the vehicle detects a lock operation, the first actuator and the second actuator are operated so that the lock / unlock mechanism is locked and the child proof mechanism is locked in a child proof lock state. And a control circuit.

[Action]

When the locking / unlocking switch outside the vehicle detects a locking operation of the locking / unlocking operation member from outside the vehicle, the first actuator and the second actuator
The actuators are actuated together.

By the operation of the first actuator, the locking / unlocking mechanism is locked, and the door opening operation from outside the vehicle is disabled. In addition, the operation of the second actuator invalidates the operation of the override mechanism, and the child proof mechanism enters the child proof lock state, so that the door opening operation by the inside handle is disabled.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

(1) shows a known meshing mechanism having a latch that is mounted on a door and can mesh with a striker fixed to the vehicle body side, and a locking plate that engages with the latch to lock the door in a closed state. (2) A door lock body provided inside.

(3) is an outside lever pivotally attached by a shaft (5) above a base plate (4) fixed to the body (2), and one end (3a) of which is an outside lever provided outside the door. It is connected to a side handle (not shown) via a rod or the like, and can be rotated clockwise in FIG. 2 by a releasing operation of the outside handle. (6)
Is a spring for urging the outside lever (3) counterclockwise in FIG.

(7) is a locking / unlocking lever pivotally mounted on a shaft (8) below the base plate, and one end (7a) thereof is a key lever (shown in the figure) of a key cylinder serving as a locking / unlocking operation member provided outside the door. (Not shown) and can be operated in a locked position shown by a solid line in FIG. 2 and an unlocked position also shown by a two-dot chain line.

(9) is a locking / unlocking lever (7) and a base plate (4)
It is a spring that is locked between the lock lever and the lock lever (7) and can hold the locking / unlocking lever (7) in the locked position and the unlocked position.

(10) is a knob lever pivotally attached to a bent portion (4a) of the base plate (4) by a shaft (11), and a forked portion (10a) at one end thereof is at the other end portion () of the locking and unlocking lever (7). By engaging with 7b), in synchronization with the operation of the locking / unlocking lever (7), it is possible to rotate between the locking position shown by the solid line in FIG. 1 and the unlocking position also shown by the two-dot chain line. .

The other end (10b) of the knob lever (10) is provided so as to be movable up and down in the waist portion of the door on the passenger compartment side, and can be moved to a locked position that is completely retracted from the waist portion and an unlocked position that also protrudes. Knob (1
It is connected to 1) via a rod (12) and can be rotated to a locking position by a locking operation by pushing a knob (11).

When the knob (11) is in the locked position, the entire knob is retracted into the door waist, and there is no clue to pinch, so that the knob (11) cannot be unlocked manually or by any other action.

(13) is an open lever fixed to the shaft portion (13a) of the locking plate for performing the disengagement operation of the engagement mechanism, and by rotating clockwise in FIG. 2,
The door can be opened by releasing the engagement between the striker and the engagement mechanism.

The shaft (7c) is fixed at its upper end to the outside lever (3) and fixed at its lower part to the working end (7b) of the locking / unlocking lever (7) through the elongated hole (14a). ) Is slidably connected to the lock lever (7) in synchronization with the locking and unlocking positions of the locking lever (7) and the unlocking position. It can be rotated to the unlocked position indicated by the chain double-dashed line.

When the locking / unlocking lever (7) is in the unlocking position, the outside handle (3) is rotated clockwise by operating the outside handle outside the vehicle to move the sub-lever (14) downward. , The engaging portion (14b) of the sub-lever (14) contacts the first releasing portion (13b) of the open lever (13) to release the open lever (13) and open the door. When the lock lever (7) is in the locked position, the outside handle is operated,
Even if the sub lever (14) moves downward, the engaging part (14b)
Has a locking / unlocking mechanism in which the door cannot be opened by idling the first releasing portion (13b).

(15) is another bent portion (4b) of the base plate (4)
An inside lever pivotally attached to a shaft (16), the first arm portion (15a) of which is connected to an inside handle (not shown) provided inside the door via a rod or the like, and A long hole (15c) is formed in the two arms (15b).

(17) has a shaft (16) with a long hole (17a) formed at one end.
A shaft (17) slidably engaged with and fixed to the other end.
b) is a childproof lever slidably engaged with the long hole (15c) of the inside lever (15) and slidably supported by the second arm portion (15b) of the inside lever (15), As shown in FIG. 1, the engaging portion (17c) formed at the other end is the second arm portion (15) of the inside lever (15).
The second part of the open lever (13) protruding from the end of b)
As shown in FIG. 3, the transmission position at which the release portion (13c) can come into contact with the engagement portion (17c) is retracted from the end of the second arm portion (15b), and the second release portion (13c) is retracted. ) Can be moved to a non-transmission position where it cannot abut.

Reference numeral (18) is a childproof operation lever pivotally attached to a bent portion (4b) of the base plate (4) by a shaft (19), and the first arm portion (18a) extending downward has a shaft (17).
The arc-shaped slot (18) centered on the shaft (16) with which b) engages
b) is drilled and rotated clockwise from the unlocked position shown in FIG. 1 to move the childproof lever (17) to the non-transmission position via the elongated hole (18b) and the shaft (17b). It can be moved, and from the locking position shown in Fig. 3,
By rotating counterclockwise, the child proof lever (17) can be moved to the transmission position.

When the child proof lever (17) is in the transmission position and the locking / unlocking mechanism is in the locked state, the inside handle (15) and child proof lever (17) are interlocked and engaged by releasing the inside handle. The part (17c) can release the open lever (13) to open the door, and the release part of the open lever (13) causes the cancel part (13d) of the open lever (13) to move to the sub-lever (14). Abut on the bent portion (14c), forcibly rotate the sub-lever (14) from the locked position to the unlocked position to return the locking and unlocking mechanism to the unlocked state, and enable the operation of the override mechanism. .

Further, when the child proof lever (17) is in the non-transmission position, even if the inside handle is released, the engagement portion (17c) causes the second release portion (13) of the open lever (13).
To avoid the fact that the door cannot always be opened from the inside of the vehicle by swinging against c), disable the override mechanism and put the child proof mechanism in the child proof lock state.

(20) is a motor that can rotate forward and backward in the case (20a),
And a first actuator accommodating a reduction gear or the like capable of decelerating the rotation of the motor and transmitting it to the output member (20b), the output member (20b) of which is the other end (10) of the knob lever (10).
It is connected to b) via a rod (21), and the forward or reverse rotation of the motor moves the knob lever (10) to a locked position shown by a solid line in FIG. 1 and an unlocked position shown by an imaginary line. The locking / unlocking mechanism can be switched between a locked state and an unlocked state via the knob lever (10).

The first actuator (20) can be operated by a lock / unlock operation switch provided in the vehicle compartment, which will be described later.

(22) is a second actuator having the same structure as the first actuator (20), and the output member (22b) protruding from the case (22a) is the second arm portion of the child proof operating lever (18). (18c), rod (2
3), and the child proof operation lever (18) can be moved between the unlocked position shown in FIG. 1 and the locked position shown in FIG. 3 by the forward or reverse rotation of the motor. Via the child proof control lever (18)
The child proof lever (17) can be operated in the transmission position and the non-transmission position.

The second actuator (22) can be operated by a child proof operation switch provided in the vehicle compartment which will be described later.

FIG. 4 shows an embodiment of the control circuit.

(24) is a neutral return type in-vehicle lock / unlock operation switch which is provided inside the vehicle compartment near the driver's seat and can be switched to the lock side contact (24a) and the unlock side contact (24b). (24a) is a lock side driving circuit (2) for driving the motor (20c) of the first actuator (20) via the OR circuit (25).
6), and the unlocking side contact (24b) is connected to the unlocking side drive circuit (26a) via the OR circuit (27).

Like the lock / unlock operation switch (24) inside the vehicle, (28) is provided on the inside of the vehicle in the vicinity of the driver's seat and has a lock side contact (28a).
And a neutral return type child proof operation switch that can be switched to the unlocking side contact (28b).
a) is the second actuator (2) via the OR circuit (29).
2) is connected to the lock side drive circuit (30) for driving the motor (22c), and the unlock side contact (28b) is connected to the unlock side drive circuit (32) via the OR circuit (31). ing.

(33) is a neutral return type vehicle exterior that can be switched to the locking side contact (33a) and the unlocking side contact (33b) by a key plate for operating a key cylinder provided outside the vehicle or an external locking and unlocking operation member such as radio waves. In the locking / unlocking operation switch, the locking / unlocking side contact (33a) is connected to the locking side drive circuit (26) of the first actuator (20) and the second actuator (22) via the OR circuit (25) (29). Connected to the lock side drive circuit (30),
The unlocking side contact (33b) is connected to the unlocking side drive circuit (26) of the first actuator (20) via the OR circuit (27) (31).
a) and the unlocking side drive circuit (3) for the second actuator (22)
2) connected to.

In the present embodiment having the above-described configuration, the lock / unlock operation switch (24) in the vehicle is operated to be locked, and the first actuator (20)
The outside handle outside the vehicle is released by operating the output member (20b) in the locking direction or manually locking the knob (11) inside the vehicle to put the locking and unlocking mechanism in the locked state. Even if the outside lever (3) is released, the sub-lever (14) opens the open lever (1
Since the first release portion (13b) of 3) is swung idly, the door opening operation is impossible. However, when the child proof lever (17) is in the transmission position, the operation of the override mechanism is effective. Therefore, by releasing the inside handle of the vehicle to operate the inside lever (15), the child proof lever ( 17) Engagement part (17
c) contacts the second release portion (13c) of the open lever (13) to release the open lever (13) to perform a door opening operation and the open lever (13).
With the canceling part (13c) of the above, the locking / unlocking lever (7) and the knob lever (10) can be rotated from the locking position to the unlocking position via the sub-lever (14), and the locking / unlocking mechanism can be unlocked. it can.

When the lock / unlock operation switch (24) in the vehicle is unlocked, the first
The actuator (20) is unlocked, the knob lever (10), the locking / unlocking lever (7), and the sub-lever (14) are rotated to the unlocking position, the locking / unlocking mechanism is unlocked, and the outside of the vehicle is outside. When the outside lever (3) is operated by the handle, the open lever (13) is released via the sub-lever (14) so that the door can be opened and the childproof lever (17) can be opened.
Is in the transmission position, the open lever (13) is released via the child proof lever (17) by the release operation of the inside handle in the vehicle to open the door.

The child proof operation switch (28) inside the vehicle is locked to operate the second actuator (22) to be locked, and the output member (22b) and the child proof operation lever (18).
When the child proof lever (17) is moved to the non-transmission position via the, the child proof mechanism enters the child proof lock state.In this state, the inside handle from the inside of the vehicle operates regardless of the locked / unlocked state of the locking / unlocking mechanism. The door opening operation is always disabled, and the door does not open unexpectedly due to mischief of children. Further, from the outside of the vehicle, if the locking / unlocking mechanism is in the unlocked state, the door can be opened by the outside handle.

Lock / unlock operation switch from outside the vehicle (33)
By turning on the lock side contact (33a) of both, the first actuator (20) and the second actuator (22) are both locked and actuated, the locking and unlocking mechanism is in the locked state, and the child proof mechanism is in the child proof locked state. Can be In this state, for example, by theft,
The door cannot be opened even if the inside handle is operated by inserting a thin plate or the like into the vehicle through the gap between the door glass and the seal, and when the knob (11) is operated to the unlocked position, the knob Since (11) is immersive and cannot be pulled up without a clue, it is extremely effective as an anti-theft measure.

Unlock operation from outside the vehicle to unlock and unlock the switch (33)
By turning on the unlocking side contact (33b), both the first actuator (20) and the second actuator (22) are unlocked, the locking / unlocking mechanism is in the unlocked state, and the childproof mechanism The child proof lever (17) is located in the transmission position so that the operation of the override mechanism can be enabled.

〔The invention's effect〕

In the present invention, the first actuator is operated by locking / unlocking the locking / unlocking operation member outside the vehicle,
When the locking / unlocking mechanism is locked, the second actuator is operated, the override mechanism is disabled, and the child proof mechanism is in the child proof lock state. Therefore, the door can be opened due to theft with a single operation. It can be surely prevented.

Also, regardless of the state of the locking and unlocking mechanism, it is possible to disable the door opening operation by the inside handle in the vehicle,
It is safe because it does not open due to mischief and is applicable to all doors including the driver's side door.

[Brief description of drawings]

1 is a front view of a door lock device in which a part of the present invention is omitted, FIG. 2 is a sectional side view taken along line II-II in FIG. 1, and FIG. 3 shows a locked state of a child proof mechanism. A front view similar to FIG. 1 and FIG. 4 are control circuit diagrams. (1) Door lock body, (3) Outside lever (7) Locking and unlocking lever (locking and unlocking mechanism), (10) Knob lever (11) Knob, (13) Open lever (14) Sub lever, (15) Inside lever ( 17) Child proof lever (18) Child proof operation lever (20) First actuator, (22) Second actuator (33) Exterior lock / unlock operation switch

Claims (1)

[Claims] When the locking / unlocking mechanism is unlocked by a locking / unlocking operation member provided inside the vehicle, the door can be opened by operating either an inside handle or an outside handle provided inside or outside the vehicle. Is possible,
When the locking / unlocking mechanism is in the locked state, the door cannot be opened even if the outside handle is operated, but it can be opened by operating the inside handle, and the door can be opened in this state. By doing so, the override mechanism that returns the locking / unlocking mechanism from the locked state to the unlocked state and the door can be opened by operating the outside handle when the locking / unlocking mechanism is in the unlocked state However, a door lock body including a child proof mechanism that can be in a child proof lock state in which the door cannot be opened even if the inside handle is operated, and at least the locking and unlocking mechanism is changed from an unlocked state to a locked state. An electrically operated first actuator that is operatively connected and overrides the override mechanism operation, and The electric second actuator connected so as to operate the child proof mechanism in the child proof lock state, the vehicle exterior locking / unlocking operation switch capable of detecting the locking operation of the locking / unlocking operation member provided outside the vehicle, and the vehicle exterior unlocking operation. When the lock operation switch detects the lock operation,
A door lock for an automobile, comprising: a control circuit that operates the first actuator and the second actuator so that the locking / unlocking mechanism is locked and the childproof mechanism is locked in a childproof lock state. Operating device.