JP2514502B2 - Door lock locking / unlocking operation device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is capable of locking / unlocking a door lock device by a motor capable of rotating in the normal and reverse directions and manually locking / unlocking the lock, and also unlocking by fraudulent activity and locking a key in a vehicle. The present invention relates to a locking / unlocking operation device for an automobile door lock which is prevented.

[0002]

2. Description of the Related Art A conventional door lock locking / unlocking operation device is disclosed in, for example, Japanese Utility Model Publication No. 58-9953. This device connects the locking / unlocking lever of the door lock device with the rotary plate that is rotated by the motor drive via the speed reduction mechanism, and rotates the rotary plate from the neutral position to both sides to set the stroke. After the operation, by rotating the rotating plate in the reverse direction and controlling it to always return to the neutral position, it is possible to electrically operate the door lock device, and to prevent the movement of manual operation from being transmitted to the speed reducer. Is possible.

However, the above-mentioned device has a problem in that the door lock device may be unlocked by an illegal act due to the structure in which the door lock device can be manually operated, which is not preferable for anti-theft measures. is there.

For example, as another conventional technique as an anti-theft device, there is one disclosed in Japanese Patent Laid-Open No. 55-65681. This device is capable of electric locking / unlocking operation by moving a rack connected to a locking / unlocking lever of a door lock device by a motor provided in a casing and capable of rotating in the reverse direction, and a key or other means from outside the vehicle. Locking operation of the rack drives the other motor provided separately from the locking / unlocking motor to restrict the operation of the rack in the unlocking direction, thereby restricting the unlocking operation of the locking / unlocking lever and making it illegal. We are trying to prevent the unlocking operation.

[0005]

However, in the other conventional devices as described above, the motor for the electric locking / unlocking operation of the door lock device and the unlocking operation of the locking / unlocking lever by the illegal act are restrained. Since it requires a motor, the number of components is increased and the configuration is complicated and the cost is high.Although it has a mechanism for restraining the unlocking operation of the locking / unlocking lever, the configuration to prevent the key from being contained in the vehicle is considered. Therefore, there is a problem that the key is locked in the vehicle by locking the door lock device while the key is inserted into the ignition key cylinder.

In view of the above-mentioned problems of the prior art, the present invention enables a manual locking / unlocking operation and an electric locking / unlocking operation with a simple structure, and unlocks and unlocks a door lock device by a fraudulent act. An object of the present invention is to provide a vehicle door lock locking / unlocking operation device capable of preventing an unlocking operation of a lock lever and a locking operation for preventing a key from being contained in a vehicle.

[0007]

In order to achieve the above-mentioned object, the device of the present invention has an operation capable of moving to a locking position and an unlocking position via a speed reducing mechanism by a motor capable of rotating in the forward and reverse directions provided in a case. The lever is connected to the locking / unlocking lever of the door lock device, the engaging portion is formed on the rotating body of the speed reducing mechanism, and the engaging groove is formed on the actuating lever, the engaging groove having the engaging groove portion capable of engaging and disengaging. The rotation of the rotating body causes the engaging portion to engage with the engaging groove portion, thereby moving the operating lever to the locking position or the unlocking position, and further, the rotating body continues to rotate and the engaging portion moves out of the engaging groove portion. In a locking / unlocking operation device for an automobile door lock that is stopped at the separated neutral position, the operating lever is moved to the locking position by the locking operation of the anti-theft operation switch, and the engaging portion of the rotating body is engaged in the engaging groove portion. Engage to unlock the operating lever Move with stopping the anti-theft position to restrain the key insertion detection for detecting that the key to at least the ignition key cylinder is inserted
A door switch that activates the switch and detects the open state of the door.
When the switch is operating, the operating lever is located in the unlocked position, and the engaging portion of the rotating body engages with the engaging groove portion to the unlocked restraining position that restrains the movement of the operating lever in the locking direction. The restraint position detection switch to stop and the rotating body reach the neutral position.
Neutral detection to detect that
The output switch is provided between the case and the rotating body .

[0008]

When the anti-theft operation switch is operated, the rotary member is stopped at the anti-theft position where the engaging portion engages with the engaging groove portion of the linking groove to prevent the actuating lever from moving in the unlocking direction, and acts illegally. Prevent the door lock device from being unlocked.

When the door is opened with the key inserted in the ignition key cylinder, the rotating body stops at the unlocking restraining position where the engaging portion engages with the engaging groove portion of the linking groove at the unlocking position of the operating lever. Then, the movement of the operating lever in the locking direction is prevented, and the door lock device is inadvertently locked while the ignition key cylinder is still inserted in the key to prevent the key from being locked inside the vehicle. Also, the rotating body
Has reached a neutral position where it is disengaged from the actuating lever
When the neutral position detection switch detects that
Power supply is stopped.

[0010]

Embodiments of the present invention will be described below with reference to FIGS. 1 to 6 of the accompanying drawings. (1) shown in FIGS. 1 and 2 is a motor housed in a case (2) and capable of rotating in forward and reverse directions, (3)
Is pivotally mounted in the case (2) by the shaft (4), and the motor (1)
The worm wheel (rotating body) (6) that meshes with the worm (5) that rotates integrally with the rotating shaft of FIG. The operating lever is movable to an unlocking position shown in FIGS. 4 and 6 and a locking position shown in FIGS.

(7) The actuating lever (6) is formed by fitting a prismatic shank (7b) integrally formed with the base (7a) into the shank (6a) of the actuating lever (6). 6) is an output lever that operates integrally with a locking position and an unlocking position, and is connected to a locking / unlocking lever of a door lock device (not shown) provided on a front door of an automobile, and the locking / unlocking lever of the door lock device It can be operated in a locked position where the door release operation is disabled and an unlocked position where the door release operation is enabled.

On one side of the worm wheel (3),
An engaging portion (3a) protruding toward the operating lever (6) is formed,
This engaging portion (3a) is recessed on one side surface of the operating lever (6), and has an arc-shaped idle swing having a length corresponding to the operating stroke of the locking / unlocking lever around the shaft tube portion (6a). Groove
It is movably engaged with a substantially Y-shaped linking groove (8) having (8a) and an engaging groove (8b) extending in the radial direction from the center of the idle groove (8a). The worm wheel (3) always stops at the neutral position where the engaging portion (3a) is engaged in the idle groove portion (8a) of the linking groove (8), and, for example, as shown in FIG. From the neutral state in which 3a) is engaged with one end of the idle groove portion (8a), the worm wheel (3) is rotated in the clockwise direction by the reverse rotation of the motor (1), and the engaging portion (3a) is linked to the link groove (8a). ), The operating lever (6) and the output lever (7) are operated from the locked position to the unlocked position shown in FIG. 6 to engage with the door lock device. The locking / unlocking lever of can be operated to the unlocking position. Further, as shown in FIG. 6, the worm wheel (3) rotates counterclockwise from the neutral state in which the engaging portion (3a) is engaged with the other end of the idle groove portion (8a) to rotate the engaging portion ( 3a) enters into the engaging groove (8b) from the other end of the idle groove (8a) and engages with each other, whereby the operating lever (6) and the output lever (7) are operated from the unlocked position to the locked position. Then, the locking / unlocking lever can be operated to the locking position.

(9) is a ring-shaped neutral first and second terminals (9a) and (9b) attached to the case (2) around the shaft (4), and neutral first and second terminals (9a) and (9b). ) Fixed to the other side of the worm wheel (3) facing the neutral terminal 1 and 2.
(9a) (9b) is a neutral detection switch consisting of a movable contact (9c) in sliding contact, the movable contact (9c) contacts the neutral first and second terminals (9a), (9b) to establish continuity between the terminals. If it is, the motor (1) can be powered.

(10) is the neutral first and second terminals (9a) (9)
First and second arc-shaped portions attached to the outer case (2) of b)
Terminals (10a) (10b) and Terminals 1 and 2 (10a) (10
The movable contact (1) which is fixed to the other side of the worm wheel (3) opposite to the worm wheel (3) and slides on the first and second terminals (10a) (10b).
0c) and the movable contact (10c)
Makes it possible to supply power to the motor (1) when the first and second terminals (10a) and (10b) are in contact with each other and the terminals are electrically connected.

Reference numeral (11) is a starting first, second and third terminal (11a) (11a) (11a) which is attached in an arc shape around the shaft portion (7b) of the case (2).
b) (11c), and fixed to the other side of the operating lever (6) opposed to the first activation terminal (11a) (11b) (11c).
Movable contact that slides into terminals 2 and 3 (11a) (11b) (11c)
It is a start switch consisting of (11d), as shown in FIG.
When the operating lever (6) is in the unlocked position, the movable contact (11)
d) contacts the 2nd and 3rd terminals (11b) and (11c) of the start-up to establish electrical continuity between the terminals, and the 2nd and 3rd terminals of the starter (11b)
(11c) and the output terminal (13) of the control circuit (13) including the motor (1)
By closing the circuit between a) and (13b) and operating the operation switch (12) provided in the passenger compartment, the control circuit
Supply positive power to the output terminal (13b) of (13) to
The motor (1) can be normally rotated by feeding power to (1) in the direction of arrow A.

Further, as shown in FIG. 5, the operating lever (6)
When is in the locked position, the movable contact (11d) is activated first,
The output terminals (13a) of the control circuit (13) including the first and second terminals (11a) and (11b) and the motor (1) which are in contact with the two terminals (11a) and (11b) to establish conduction between the terminals. (13b)
By closing the circuit between them as a closed circuit and unlocking the operation switch (12), positive power is supplied to the output terminal (13a) of the control circuit (13) and power is supplied to the motor (1) in the direction of arrow B. Then, the motor (1) can be reversed.

(14) is the first and second members attached to the case (2).
A monitor switch consisting of terminals (14a) and (14b) and a movable contact (14c) fixed to the other side of the operating lever (6).
When the operating lever (6) is in the unlocked position as shown in FIGS. 4 and 6, the movable contact (14c) has the first and second terminals (14a) (1).
The monitor lamp (15) provided in the vehicle compartment is turned on by contacting the terminal (4b) and electrically connecting the terminals.

(16) is an anti-theft operation switch provided by a key cylinder or other means provided on the outside of the door of the door, and supplies a positive power source to the output terminal (13c) by locking the output terminal (13c). The motor between the output and the output terminal (13d)
The power in the direction of arrow B can be supplied to (1).

(17) is a key insertion detection switch for detecting that a key is inserted in the ignition key cylinder, and (18) is a door switch for detecting the open state of the door.
The key insertion detection switch (17) and door switch (18) detect each of them to supply positive power to the output terminal (13d), and the motor between the output terminal (13c) and the output terminal (13d). Power can be supplied in the direction of arrow A to (1).

Next, the operation of the embodiment of the present invention will be described. FIG. 5 shows a locked state in which the engaging portion (3a) of the worm wheel (3) is engaged with one end of the idle groove portion (8a) of the linking groove (8) of the operating lever (6). In this state, when the lock knob for manual operation inside the door car is unlocked, the actuating lever (6) via the output lever (7) causes the engaging portion (3a) to swing as shown in FIG. The groove (8a) moves relatively from one end to the other end to be in an unlocked state. Further, when the lock knob is operated to be locked from the unlocked state, the engaging portion (3a) is moved to the empty swing groove portion (8a).
Moving from the other end to one end, the operating lever (6) moves to the locked position. Therefore, when the lock knob is manually locked and unlocked, the engagement part (3a) only moves relatively in the idle groove part (8a) of the linking groove (8), and the worm wheel (3) of the reduction mechanism is moved. Also, the manual operation can be performed lightly without interlocking the motor (1).

From the locked state shown in FIG. 5, the operation switch (1
When unlocking operation of (2), the output terminal (13a) becomes positive power supply, (13a)
b) becomes a negative power source and the movable contact ((11d) of the start switch (11) is in contact with the first and second terminals (11a) and (11b), so the start switch (11) and diode (20) ),motor
The circuit between the output terminal (13a) and the output terminal (13b) including (1) becomes a closed circuit, the motor (1) reverses, and the worm wheel (3) rotates clockwise and engages. Part (3a) is an empty groove part
The operating lever (6) moves from the locking position to the unlocking position by entering the engaging groove portion (8b) from one end of (8a) and engaging with it. When the operating lever (6) reaches the unlocked position and the locking / unlocking lever is unlocked, the movable contact (11
The circuit becomes an open circuit when d) is separated from the first terminal (11a).

However, the movable contact of the neutral detection switch (9)
Since (9c) contacts the neutral first and second terminals (9a) and (9b) and the neutral detection switch (9) is in the ON state, this time,
The circuit including the neutrality detection switch (9) becomes a closed circuit, the motor (1) continues to rotate, and the engaging portion (3a) is engaged with the engaging groove portion.
When the worm wheel (3) reaches the neutral position after leaving the (8b) and again entering the idle groove (8a), the movable contact (9c) of the neutral detection switch (9) is 2 By disconnecting from terminals (9a) and (9b), motor (1)
Will stop spinning and as shown in Figure 6, the worm wheel
(3) stops at the neutral position.

When the operation switch (12) is locked from the unlocked state shown in FIG. 6, the output terminal (13a) becomes a negative power source and the output terminal (13b) becomes a positive power source, and the start switch (11). Movable contact (11d) of 2nd and 3rd terminal (11d)
b) (11c) is contacted and the 2nd and 3rd terminal (11b) (11b)
Since c) is in the ON state, the circuit including the motor (1) between the output terminals (13a) and (13b), the start switch (11), and the diode (21) becomes a closed circuit, and the motor (1) is The worm wheel (3) rotates in the forward direction and rotates counterclockwise. Engagement part (3a)
Enters into the engaging groove portion (8b) from the other end of the empty swing groove portion (8a) and engages with the engaging groove portion (8b), the operating lever (6) moves from the unlocked position to the locked position, and the door locking device is unlocked. The lever is locked.

When the operating lever (6) moves to the locked position,
The movable contact (11d) of the starting switch (11) separates from the starting third terminal (11c), and the circuit becomes an open circuit. However, since the neutral detection switch (9) is in the ON state,
Further, the motor (1) continues to rotate, the engaging portion (3a) enters the idle groove portion (8a), and when the worm wheel (3) reaches the neutral position, the movable contact of the neutral detection switch (9).
The motor (1) stops rotating when the terminal (9c) comes off from the neutral second terminal (9b), and the worm wheel (3) stops at the neutral position as shown in FIG.

In the locked state shown in FIG. 5, the anti-theft operation switch
When (16) is locked, a positive power supply,
Negative power is supplied to the output terminal (13d) and the output terminal (13d
c) The circuit including the motor (1) and the restraint position detection switch (10) between (13d) is closed, the electric current in the direction of arrow B is supplied to the motor (1), and the reverse rotation of the motor (1) causes The worm wheel (3) rotates clockwise from the neutral position to move the movable contact (10c) of the restraint position detection switch (10) as shown in FIG.
Is separated from the other ends of the first and second terminals (10a) and (10b),
When the restraint position detection switch (10) is turned off, the circuit including the motor (1) between the output terminals (13c) and (13d) and the restraint position detection switch (10) becomes an open circuit, and the motor (1 )
Stops rotating and the worm wheel (3) stops in the anti-theft position.

In this anti-theft state, the engaging portion (3a) engages with the engaging groove portion (8b) of the linking groove (8), and the operating lever
Since the movement of (6) in the unlocking direction is prevented, it is possible to reliably prevent the door lock device from being unlocked by an illegal act.

Key insertion of ignition key cylinder,
And the open state of the door, the key insertion detection switch (1
When both 7) and door switch (18) are detected, the control circuit
Positive power is supplied to the output terminal (13d) of the output terminal of (13), and the circuit including the motor (1) and the restrained position detection switch (10) between the output terminal (13c) and the output terminal (13d) is closed. Then, the electric current in the direction of arrow A is supplied to the motor (1), and the forward rotation of the motor (1) causes the worm wheel (3) to rotate counterclockwise from the neutral position, as shown in FIG. In addition, the movable contact (10c) of the restraint position detection switch (10) has the first and second terminals (10c).
a) Circuit that includes the motor (1) between the output terminals (13c) and (13d) and the restraint position detection switch (10) when the restraint position detection switch (10) is turned off by disconnecting from one end of (10b) Becomes an open circuit, the motor (1) stops rotating, and the worm wheel (3) stops at the unlocking restraining position.

In this unlocked restrained position, the operating lever
At the unlocked position of (6), the engaging portion (3a) engages with the engaging groove portion (8b) of the linking groove (8) to prevent the actuating lever (6) from moving in the locking direction. It is possible to prevent the key from being locked in the vehicle by inadvertently locking the door lock device while it is still inserted in the key cylinder.

[0029]

[Other Embodiments] FIG. 7 shows another embodiment of the present invention. This embodiment is different from the previous embodiment only in the control circuit, so only the control circuit will be described.

The neutral first terminal (9a) of the neutral detection switch (9) is connected to one power supply terminal (31b) via the first switching relay (32), and the neutral second terminal (9b) is connected to the other. It is connected to the power supply terminal (31a).

The first terminal (10a) of the restraint position detection switch (10) detects that the key insertion detection switch has inserted a key in the ignition key cylinder, and the door switch detects the open state of the door. Is connected to the power supply terminal (31c) that can supply positive power,
The second terminal (10b) is connected to the power terminal (31d) which can supply positive power when the anti-theft operation switch is operated.
It is connected via the switching relay (33).

The motor (1) is connected in series between the movable contacts (32b) and (33b) of the first and second switching relays (32) and (33),
When the first and second switching relays (32) (33) are not excited, the circuit including the motor (1) is a closed circuit. When the operation switch is unlocked from the locked state shown in FIG. 7, the output terminal (31b) becomes a positive power source, the output terminal (31a) becomes a negative power source, and the output terminal (31b), the first
Changeover relay (32), start switch (11), diode (3
5), the circuit of the output terminal (31a) becomes a closed circuit, the coil (32c) of the first switching relay (32) is excited, and the movable contact (32
By switching b) to the contact (32d) side, the output terminal (31
b), movable contact (32b) of the first switching relay (32), motor
The circuit of (1), the movable contact (33b) of the second switching relay (33), and the circuit of the output terminal (31a) becomes a closed circuit, the motor (1) rotates in the reverse direction, and the operating lever (6) moves to the locked position. To the unlock position. After that, since the neutral detection switch (9) is in the ON state, the motor (1) continues to rotate, and when the worm wheel (3) reaches the neutral position, the neutral detection switch (9)
By turning off, the power supply to the motor (1) is stopped and the switching contact of the first switching relay (32)
(32b) is switched to the contact (32a) side, the motor (1), the first
Switch relay (32) contact (32a), second switch relay
By closing the circuit of the contact (33a) of (33), the braking force by the counter electromotive force acts on the rotation of the motor (1), and the worm wheel (3) surely stops at the neutral position. can do.

When the operation switch is locked from the unlocked state, positive power is supplied to the output terminal (31a),
Output terminal (31a), start switch (11), diode (34),
When the circuit of the first switching relay (32) and the power supply terminal (31b) is closed and the first switching relay (32) is excited, the motor (1) rotates in the forward direction and the door lock device operates. The locking / unlocking lever is in the locked state. When the operating lever (6) moves to the locked position and the neutral detection switch (9) detects the neutral position of the worm wheel, power supply to the motor (1) is stopped and the first switching relay (32) is turned off. As a result, the motor (1), the first and second switching relays (32) (33)
The circuit is closed circuit, the braking force acts on the rotation of the motor (1), and the worm wheel (3) can be reliably stopped at the neutral position.

When the anti-theft operation switch is operated from the locked state, positive power is supplied to the output terminal (31d), the output terminal (31d), the second switching relay (33), the restrained position detection switch (10), and the output. By closing the circuit of the terminal (31c), the coil (33c) of the second switching relay (33) is excited and the switching contact (33b) is switched to the contact (33d) side.
Therefore, output terminal (31d), switching contact (33b), motor
(1), the switching contact (32b) of the first switching relay (32),
When the circuit of the output terminal (31c) is closed, the motor (1) rotates in the reverse direction, and the worm wheel (3) rotates from the neutral position to reach the theft position, the restraint position detection switch (10) operates. When the movable contact (10c) comes off from the other end of the second terminal (10b) and turns off, power supply to the motor (1) is stopped and the second switching relay (33) turns off. The circuit of the motor (1), the first and second switching relays (32), (33) becomes a closed circuit, the braking force acts on the rotation of the motor (1), and the worm wheel surely moves to the anti-theft position. You can stop at.

Further, when in the unlocked state, the key insertion detection switch detects the key insertion of the ignition key cylinder.
Further, when the door switch detects the open state of each door and a positive power is supplied to the output terminal (31c), the output terminal (31c), the restrained position detection switch (10), and the second switching relay (33) The circuit between them becomes a closed circuit, and the second switching relay (33) is excited, whereby power is supplied to the motor (1) and the worm wheel rotates. When the restraint position detection switch (10) is turned off by detecting the unlocked restraint position of the worm wheel and the second switching relay (32) is turned off, the power supply to the motor (1) is stopped. At the same time, the circuit between the motor (1) and the first and second switching relays (32) (33) becomes a closed circuit, and the motor (1)
The braking force acts on the rotation of the worm wheel.
In the case of (3), it can be surely stopped at the unlocking restraining position.

[0036]

According to the present invention , the following effects can be obtained.
Can be (a) Lock the operation of the anti-theft operation switch to move the operating lever.
It is located in the locked position and the engaging part of the rotating body is engaged with the engaging groove part.
Stop at the matching antitheft position, and move the operating lever in the unlocking direction.
You can restrain the movement and prevent theft.
And at least the key on the ignition key cylinder
The key insertion detection switch that detects that it is inserted
A door switch that operates and detects the open state of the door is created.
By moving, move the operating lever to the unlocked position,
In addition, by engaging the engaging portion of the rotating body with the engaging groove,
Stop at the bundle position and lock the movement of the operating lever in the locking direction.
The keys can be bundled together to prevent key encapsulation. sand
That is, only the rotation of the rotating body driven by a single motor
It is only necessary to unlock the door lock device by fraudulent activity.
In addition, it is possible to prevent the key from being locked in the vehicle.
You can install an actuator with a complicated structure like
It is not necessary to provide a driving means of (b) It is possible to detect that the rotating body is in the anti-theft position and the unlocking restraint position, and it is possible to detect whether the rotating body has reached the neutral position or not. Can be confirmed.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention with a case removed, showing a key entrapment prevention state.

FIG. 2 is a sectional view taken along line CC in FIG.

FIG. 3 is a control circuit diagram in an antitheft state.

FIG. 4 is a control circuit diagram in a key containment prevention state.

FIG. 5 is a control circuit diagram in a locked state.

FIG. 6 is a control circuit diagram in an unlocked state.

FIG. 7 is a control circuit diagram of another embodiment.

[Explanation of symbols] (1) Motor (2) Case (3) Worm wheel (rotating body) (3a) Engagement part (6) Actuating lever (7) Output lever (8) Linkage groove (8a) Idling groove part (8b) ) Engagement groove (9) Neutral detection switch (9a) Neutral 1st terminal (9b) Neutral 2nd terminal (9c) Movable switch (10) Restraint position detection switch (10a) 1st terminal (10b) 1st terminal (10c) ) Movable contact (11) Start switch (11a) First terminal (11b) Second terminal (12) Operation switch (13) Control circuit (16) Anti-theft operation switch (17) Key insertion detection switch (18) Door switch (32 ) 1st switching relay (33) 2nd switching relay

Claims (2)

(57) [Claims] 1. A rotation lever of a speed reducing mechanism, wherein an actuating lever movable to a locking position and an unlocking position via a speed reducing mechanism is connected to a locking and unlocking lever of a door lock device by a motor provided in a case and capable of rotating in the reverse direction. The engaging portion is formed on the body, and the engaging groove is formed on the actuating lever, and the engaging portion engages with the engaging groove portion by the rotation of the rotating body. The operating lever is moved to the locking position or the unlocking position, and the rotating body continues to rotate to stop at the neutral position where the engaging part is disengaged from the engaging groove part. In the operating device, when the anti-theft operation switch is locked, the operating lever is positioned at the locking position, and the engaging portion of the rotating body engages with the engaging groove to restrain the operating lever from moving in the unlocking direction. Stop at the position and at least Key insertion detection Sui to detect that the key to the grayed Stevenage activation key cylinder is inserted
Switch operates and detects the open state of the door.
When the lever is operating , the operating lever is located in the unlocked position, and the engaging portion of the rotating body engages with the engaging groove portion to the unlocked restraining position that restrains the movement of the operating lever in the locking direction. The restraint position detection switch to stop and the rotating body reach the neutral position.
Neutral detection to stop the power supply to the motor by detecting that
A lock / unlock operation device for an automobile door lock, wherein a switch is provided between the case and the rotating body . 2. When the neutrality detection switch detects the neutral position of the rotating body and stops the power supply to the motor, and when the restraint position detecting switch detects the antitheft position and the unlocking restraining position of the rotating body and sends the motor to the motor. 2. The locking / unlocking operation device for a vehicle door lock according to claim 1, further comprising a switching relay connected to the motor to close the circuit including the motor when the power supply to the motor is stopped.