JPH068222Y2 - Door lock locking / unlocking operation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial application field" The present invention relates to a locking / unlocking operation device for a vehicle door lock, which is operated by a motor type actuator.

"Prior Art" Conventionally, a locking and unlocking operation device in which an automobile door lock is operated by a motor type actuator equipped with a motor and a speed reduction mechanism can be operated only by an actuator or manually. In the former, an operation switch capable of forward and reverse operations is provided near the seat, and in the latter, a manual knob is provided in addition to the operation switch.

[Problems to be solved by the device] However, in the conventional locking / unlocking device as described above, in the former case, the door lock cannot be locked / unlocked in the case of a power failure, etc. In the latter case, there is a problem in that the structure is complicated because it is necessary to provide a clutch or an idling mechanism so as not to interfere with the deceleration mechanism of the actuator.

The present invention has been made by paying attention to such a conventional problem, and in principle, the door lock is operated by an actuator. In an emergency, the door lock can be manually unlocked, and a mechanism is provided. It is an object of the present invention to provide a vehicle door lock locking / unlocking operation device which is simplified.

[Means for Solving Problems] The gist of the present invention for achieving such an object is to provide a locking / unlocking operation device for an automobile door lock, which is operated by an actuator. Is driven by a motor and is swingable, and is pivotally supported coaxially with the drive member, and is integrally operable with the drive member via the biasing force of a biasing spring. An output member capable of swinging relative to the drive member with a force larger than the biasing force, and an operation switch having a locking contact and an unlocking contact that are operated by the swinging of the output member are provided. The locking / unlocking operation device for a vehicle door lock is characterized in that an emergency manual operation member and the output member of the actuator are connected to the lever.

"Operation" When the actuator is normally operated, the drive member is swung in either direction by the motor in response to the operation.
As a result, the output member also swings integrally, the locking / unlocking lever is displaced, and the door lock is locked / unlocked.

When performing the above operation, an operation switch may be separately provided and operated, or an operation switch provided on the actuator may be operated via a manual operation member.

That is, when the manual operation member is operated to be locked in the unlocked state, the output member is displaced against the urging force of the urging spring, and the locking contact is operated by the swing displacement of the output member. The driving member is rocked by the motor in the locking direction to be locked. The unlocking in the locked state can be performed by operating the unlocking contact in the opposite direction to the above.

If the actuator becomes inoperable due to a power failure,
When the manual operation member is operated, the output member swings and the operation switch built into the actuator operates, but the power supply still does not turn on, so if it is operated so as to displace further, the output member remains stopped. Is largely displaced against the urging force of the urging spring, the locking / unlocking lever is displaced, and the door lock can be temporarily unlocked.

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

1 to 3 show a first embodiment of the present invention.

The door lock 10 has a locking / unlocking lever 12 pivotably supported on a base 11 in a reversible manner. The locking / unlocking lever 12 has a stopper 13 in between and an unlocking position which is a solid line position in FIG.
It can be reversed to the locked position shown in the imaginary line.

The locking / unlocking operation device 20 includes a swinging end 12 a of the locking / unlocking lever 12.
It is composed of a manual operation member 21 connected to the actuator and an actuator 40.

A connecting rod 22 is connected to the swinging end 12a of the locking / unlocking lever 12, and a manual operation member 21 which is a knob to be manually operated in an emergency is fixedly mounted on the upper end of the connecting rod 22.

The actuator 40 has a housing 31 in which a forward / reverse rotatable motor 32 as a drive source and a drive member 45 are incorporated.

The worm 33 is fixedly mounted on the drive shaft 32a of the motor 32,
The worm 33 meshes with a tooth portion 36 on the outer periphery of the drive member 45. A connector portion 34 for supplying electric power to the motor 32 is provided on a part of the housing 31.

The drive member 45 is rotatably supported by a pivot shaft 37 which is rotatable with respect to the housing 31, and a base portion of an output member 48 is fixedly supported on the pivot shaft 37. Output member 48
Is urged by the urging spring 49 against the drive member 45 in the counterclockwise direction in FIG. An output lever 48a operable integrally with the output member 48 is fixed to a portion of the pivot 37 that protrudes from the housing 31 to the outside, and the tip end of the output lever 48a is locked and unlocked by the connecting link member 23 to lock and unlock the door lock 10. It is connected to the swing end 12 a of the lever 12.

In the urging spring 49, the coil portion 49a is wound around the pivot shaft 37, and the urging ends 49b and 49c elastically clamp the output member 48,
One urging end 49b is inserted into the guide groove 45a of the drive member 45,
The other urging ends 49c similarly engage with the guide grooves 45b, respectively, and hold the output member 48 in the neutral position.

The urging force of the urging spring 49 is enough to reverse the locking / unlocking lever 12 of the door lock 10. When a force larger than this urging force acts, the output member 48 can swing clockwise relative to the driving member 45 against the urging force of the urging spring 49.

A contact conducting plate 52 is fixedly provided at one end of the output member 48, and locking contacts 53a and 53b are provided on both sides in the circumferential direction of the contact conducting plate 52.
The unlocking contacts 54a and 54b are fixedly mounted on the drive member 45, and the operation switch 50 is configured by this.

As shown in FIG. 2, the operation switch 50 is connected to the motor 32 via a control unit, and a remote operation switch 55 is provided near the driver's seat.

Next, the operation will be described.

In this embodiment, the door lock 10 is locked and unlocked as follows.

For locking / unlocking operation, the remote control switch 55 is operated to operate the motor 3
Although it can be performed by energizing No. 2, it can be performed by operating the manual operation member 21 to operate the operation switch 50.

The operation by the operation switch 50 is as follows. When locking from the unlocked state in FIG. 1, when the manual operation member 21 is pushed in, the locking / unlocking lever 12 is slightly displaced by the connecting rod 22, and the output member 48 of the actuator 40 is moved by the connecting link member 23 to the biasing spring 49. It slightly displaces against the biasing force. Since the displacement is slight, the urging spring 4
The biasing force of 9 is weak and can be displaced by a light operating force.

Since the output member 48 is displaced while the driving member 45 is stopped, as shown in FIG.
It moves relatively with respect to and contacts the locking contacts 53a and 53b to make them conductive. When the locking contacts 53a and 53b are brought into conduction, the motor 32 is activated and the drive member 45 rotates in the locking direction.

The rotation of the drive member 45 causes the output member 48 and the connecting link member 2 to rotate.
3, the locking / unlocking lever 12 is reversed, and the manual operation member 21 is pushed in according to the reverse movement of the locking / unlocking lever 12 to be locked as shown in FIG. 4, and the manual operation member 21 is pushed in substantially. The door lock 10 can be locked by the power of the motor 32.

On the contrary, when unlocking from the locked state, when the manual operation member 21 is pulled up, each member is displaced in the opposite direction to the above, and the unlocking contacts 54a and 54b are electrically connected to unlock.

During the locking / unlocking operation, the power transmission system does not include an elastic member, that is, a return spring for biasing the locking / unlocking lever 12 in the reverse direction unlike the conventional case. Therefore, the biasing force of the return spring does not become a resistance. Therefore, the above operation is performed extremely lightly.

The normal operation is as described above, but the actuator 40 becomes inoperable due to a power failure or the like.
If you stop at the locked position in the figure, you will not be able to exit the car.

In such a case, if the manual operation member 21 is operated to strongly pull up strongly against the urging force of the urging spring 49,
The rocking end 12a of the locking / unlocking lever 12 is connected by the connecting rod 22.
Is pulled, the locking / unlocking lever 12 tries to reverse to the unlocking position, and the output member 48 is displaced clockwise by the connecting link member 23 via the output lever 48a. then,
Although the drive member 45 of the actuator 40 remains stopped, the output member 48 can be displaced against the urging force of the urging end 49c of the urging spring 49 and can be unlocked. The door can be opened by releasing the lock with a handle or the like while holding the door lock 10 in the unlocked state against the urging force of the urging spring 49.

Although the remote control switch 55 is separately provided for the locking / unlocking operation in the above-mentioned embodiment, it is needless to say that the remote control switch 55 may be operated by only the operation switch 50 without providing it.

[Advantage of the Invention] According to the lock / unlock operation device for the vehicle door lock according to the present invention, even if the actuator becomes inoperable due to a failure or the like, it can be manually unlocked, and the occupant is not confined in the vehicle. Since the mechanism is simple, the size and weight can be reduced. Further, since the actuator has a built-in operation switch so that the locking / unlocking operation can be performed through the manual operation member, the configuration of the operation-related switch is simplified and the arrangement is facilitated.

[Brief description of drawings]

1 to 4 show an embodiment of the present invention.
The figure is a front view showing a state in which the door lock and the actuator are connected and a part of the door lock is broken away and is omitted, FIG. 2 is a control circuit diagram, and FIG. 3 is a diagram showing the actuator in a locking operation state. Partial front view, FIG. 4 is a partial front view of the actuator in a state in which it is reversed to the locking position. 10 ... door lock, 12 ... locking / unlocking lever 20 ... locking / unlocking operation device, 21 ... manual operating member 32 ... motor, 45 ... driving member 48 ... output member, 49 ... biasing spring 50 ... ... Operation switch

Claims (1)

[Scope of utility model registration request] 1. A locking / unlocking operation device for an automobile door lock, which is operated by an actuator, wherein the actuator is driven by a motor and swingable, and a coaxial member with the drive member. An output member that is pivotally supported by the drive member and is capable of operating integrally with the drive member via the biasing force of a biasing spring, and that is swingable relative to the drive member with a force greater than the biasing force. An operating switch having a locking contact and an unlocking contact that operate by swinging displacement of the output member, wherein a manual operating member and the output member of the actuator are connected to a locking and unlocking lever of a door lock. Door locking and unlocking operation device for automobiles.