JPH0826071A - Dead lock device for door lock of vehicle - Google Patents

Abstract

PURPOSE:To unlock a door in a dead lock state independently of the exhaustion up of a battery, by arranging a turn suppressing mechanism between a lock knob and the latch plate of a lock device body. CONSTITUTION:A latch plate 7 is connected to a lock arm 6, rotary rod 8, key cylinder rod 16, and a door lock actuator 18. A key cylinder switch 17 is interlocked with a key cylinder 15, and generates a lock signal and a lock release signal. As for a bellcrank 9, one end is connected with a lock knob 11 through a lock knob rod 12, and the hook 8a of the rotary rod 8 is installed at the other end. A revolution suppressing mechanism suppresses the movement of the lock knob 9 from being transmitted to the latch plate 8 through the plunger 10a of a solenoid 10 installed on the bellcrank 9 and the hook 8, when receiving the dead lock signal from a controller 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door lock deadlock device. More specifically, it prevents the actuator from being unlocked and the door from being opened when the battery runs out. The present invention relates to a deadlock device for a vehicle door lock.

[0002]

2. Description of the Related Art Conventionally, as this type of technique, for example, there is a technique disclosed in Japanese Utility Model Laid-Open No. 6-6653.
In this technique, when the electrical equipment operation detection switch detects whether or not the electrical equipment is operating, the control circuit stops the power supply to the actuator so that the deadlock operation cannot be performed. Further, the conventional dead rod device prevents an illegal entry into the vehicle by hanging a locking engagement piece on an actuator by using a motor or a solenoid and pulling a door lock knob to unlock.

[0003]

However, in the above-mentioned prior art, the deadlock device may be forgotten when the electrical equipment is forgotten. Further, for example, if the vehicle is left in a deadlock state for a long time even if the power of the desired transmission device is turned off, even if the capacity of the battery decreases, it cannot be unlocked. Battery exhaustion occurs frequently in cold regions. When the battery goes up, the only way to release the locking engagement piece of the actuator is to charge the battery. To charge the car battery, the bonnet must be opened, but the bonnet's open knob is in the driver's seat, the door cannot be opened, and the battery cannot be charged. For this reason, it was necessary to destroy the key cylinder of the door and open the door.

[0004]

SUMMARY OF THE INVENTION The present invention has been devised to solve the above-mentioned problems of the prior art, and provides a control device that outputs a deadlock signal when a deadlock operation is performed and a door. A deadlock device for a vehicle door lock, comprising: a lock device body that is locked and unlocked and that has a latch plate; and a lock knob that is installed on the vehicle interior side of a door and that is connected to the latch plate via a lock knob rod. A deadlock device for a vehicle door lock capable of unlocking the door regardless of battery exhaustion by providing a rotation prevention mechanism that prevents the latch plate from rotating in conjunction with the lock knob during deadlock To do.

Further, according to the present invention, since the rotation preventing mechanism is interposed between the lock knob and the latch plate of the lock device body, the dead door lock for a vehicle can be unlocked regardless of battery exhaustion. A locking device is provided.

Further, according to the present invention, the rotation preventing mechanism is installed on a bell crank interposed between the lock knob and the latch plate, so that the door can be unlocked regardless of battery exhaustion. A deadlock device is provided.

Further, according to the present invention, the rotation preventing mechanism has a hook formed at one end of a lock knob rod interposed between the lock knob and the latch plate or a rotary rod pivotally supported by the latch plate at the time of deadlock. By providing a bell crank having an idle groove, a deadlock device for a vehicle door lock that can unlock the door regardless of battery exhaustion.

Further, according to the present invention, the rotation preventing mechanism is a solenoid having a plunger forming a part of a side wall of a groove portion of a bell crank having a hook therein. A deadlock device for a vehicle door lock that can be unlocked.

Further, in the rotation preventing mechanism of the present invention, the hook is formed of a solenoid having a plunger that protrudes and strikes when unlocked, and sinks when deadlocked to be in a non-contact state. A deadlock device for a vehicle door lock capable of unlocking the door regardless of the above.

Further, in the rotation preventing mechanism of the present invention, the hook is a rack that protrudes and strikes when unlocked, sinks when deadlocked, becomes a non-contact state, and is retracted by the motor. A deadlock device for a vehicle door lock capable of unlocking a door regardless of a battery exhaustion.

Further, according to the present invention, the rotation preventing mechanism is a rack which is adjacent to the hook and which is retracted by the motor to form the side wall of the groove portion of the bell crank. A deadlock device for a vehicle door lock that can be unlocked.

Further, according to the present invention, the rotation preventing mechanism is installed on a hook formed at one end of a lock knob rod or a rotating rod, a bell crank, or a latch plate, and is retracted by a motor or a solenoid. A vehicle door that can be unlocked regardless of battery exhaustion by comprising a rack that protrudes at the time of unlocking and locking and hooks on the hook, and is dented when deadlocked to be in a non-contact state with the hook. A lock deadlock device is provided.

[0013]

【Example】

First Embodiment Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3. In FIG. 1, reference numeral 1 is a striker installed on a vehicle body (not shown), and when the doors 27, 29, 32, 35 are tightened, the lock device main body 2 installed on the doors 27, 29, 32, 35. Lock it on throttle 3. Door 2
Reference numeral 7 is, for example, adjacent to the driver's seat of an automobile equipped with the keyless switch 4. The lock device body 2 includes a throttle 3, a lock plate 5, and a lock arm 6.
The latch plate 7, the rotating rod 8, the bell crank 9, the solenoid 10, and the like. 2a is the door 27
Is a release lever connected to a door knob (not shown) on the outside of the vehicle, and the door 27 is opened by pulling the release lever 2a. Two
Reference numeral b is an opening lever connected to a door knob inside the door 27, and the door 27 is opened by pulling the opening lever 2b.

The movement of the throttle 3 is restricted by the swing of the lock plate 5, and the striker 1 is locked. The lock plate 5 is connected to the latch plate 7 via a lock arm 6. The lock arm 6 is a link member that transmits the rotational movement of the latch plate 7 to the lock plate 5. The latch plate 7 rotates about the rotation shaft 7a in the directions of arrow I and arrow J to lock the door 27,
And unlock.

Reference numeral 11 is a lock knob installed inside the door 27 in the vehicle interior, and is connected to the latch plate 7 via a lock knob rod 12, a bell crank 9, and a rotating rod 8. When the rod knob 11 is pressed down in the direction of arrow A, the door 27 is locked. And the rod knob 11
Locks the door 27 when pulled up in the direction of arrow B except during deadlock. The lock knob 11 is always
It moves together with the lock knob rod 12 and the bell crank 9.

The lock knob 11 may be a knob that swings around a desired fulcrum, such as a lever switch knob.

The lock knob rod 12 is a rod-shaped link member whose upper end is pivotally attached to the lock knob 11 and whose lower end is pivotally supported by the bell crank 9. The upper end of the lock knob rod 12 may be pivotally supported directly on the lock knob 11 or an L-shaped bell crank (not shown) for changing the movement direction depending on the installation state of the doors 27, 29, 32, 35 and each member. No.) or another rod (not shown) may be used to pivot the lock knob 11. That is, the lock knob rod 12 may be one that is always interlocked with the movement of the lock knob 11. For example,
Lock knob rod 12 for front doors of passenger cars
Is connected to the bell crank 9 via a lock knob rod 12 from a lock knob 11 as shown in FIG. Further, in the case of a rear door, the lock knob rod 12 is provided with the bell crank 9 via the lock knob 11 and a plurality of lock knob rods 12 and an L-shaped bell crank for converting the interlocking direction.
Connect to.

The bell crank 9 is a member that pivotally supports the lock knob rod 12 at one end and the rotary rod 8 at the other end, and converts the movement direction of the lock knob rod 12 by about 90 ° and transmits it to the rotary rod 8. . When the lock knob 11 is pressed and pulled in the directions A and B, the bell crank 9 rotates, for example, 100 ° in the directions C and D around the rotating rod 8 in the bearing 9a.

The bearing 9a has a torsion spring (not shown) installed on the lower surface for urging the bell crank 9 to rotate in the directions of arrows C and D. Reference numeral 9b is a rotation preventing mechanism that connects or disconnects the lock knob rod 12 and the rotating rod 8 with the solenoid 10 like a clutch. The rotation preventing mechanism 9b includes hooks 8a formed by bending one end of the rotating rod 8, a substantially fan-shaped groove 9c around which the hooks 8a rotate, and a portion forming a lower side wall of the groove 9c. And a solenoid 10 having a plunger 10a that appears and disappears.

The rotation preventing mechanism 9b connects the lock knob rod 12 and the rotating rod 8 at the time of locking and unlocking, and blocks the lock knob rod 12 and the rotating rod 8 at the time of deadlock. However, the clutch member is not particularly limited, and may be a clutch member such as a meshing clutch or a friction clutch.

The groove 9c is a play in which the hook 8a idles when the lock knob 11 is operated in the directions of arrow A and arrow B. The groove 9c has, for example, a fan shape opened by 60 °. The shape of the groove 9c is such that the hook 8a is locked at the time of locking.
There is no particular limitation as long as it has a side wall 9d that collides with the groove. For example, the shape of 9c in the groove is a through hole, a blind hole, or a side wall 9.
It may be a protrusion having d.

The solenoid 10 is, for example, as shown in FIG.
As shown in Fig. 10, the locking grooves 10b, 10c of the plunger 10a are
It is a click type in which the moderating member 10d is locked and the plunger 10a is kept in the retracted state. The solenoid 10 is integrally installed horizontally or vertically on the bell crank 9. The solenoid 10 is locked and unlocked as shown in FIG.
As shown in the plunger 10a 'of (a) and (b), the plunger 10a is in a state of projecting to a portion forming a lower side wall facing the side wall 9d of the groove 9c. When the solenoid 10 receives a deadlock signal from the control device 13, a current flows through the door lock timer 14 for about 1 second, and as shown in the plunger 10a ″ of FIG. 2 (c), the plunger 10a has the groove 9c. The solenoid 10 maintains the state of being sucked from the hook 8 during deadlock.
When the latch plate 7 is not in contact with a, a rotation blocking mechanism for blocking the rotation of the latch plate 7 is configured.

As shown in FIG. 2A, the moderation member 10d is composed of, for example, a steel ball and a coil spring for urging the steel ball. The moderation member 10d engages with the locking groove 10b when the plunger 10a 'is in the projecting state and holds the projecting state, and when the plunger 10a is in the sucked state, the locking groove 10d. 10c is engaged and the suction state is maintained.

One end of the rotating rod 8 is pivotally attached to the bell crank 9 and the other end is pivotally attached to the latch plate 7, and a central portion 8 is provided.
b is a substantially U-shaped shaft rod member that pivotally supports b on the lock device body 2. One end of the rotating rod 8 on the bell crank 9 side has a hook 8a that penetrates the bearing 9a and is bent in an L shape. The other end of the rotary rod 8 on the latch plate 7 side is L
It is bent in a letter shape, and the connecting portion 8c at the tip is axially attached to the long hole 7b of the latch plate 7. In the rotating rod 8, the hook 8a rotates in the arrow E and F directions, and the connecting portion 8c rotates in the arrow G and H directions around the central portion 8b to rotate the latch plate 7 in the arrow I and J directions. To move.

Reference numeral 15 denotes a key cylinder installed outside the door 27 of the driver's seat, which is connected to the latch plate 7 via a key cylinder rod 16. The key cylinder rod 16 is a rod-shaped link member having one end pivotally attached to the key cylinder 15 and the other end pivotally attached to the latch plate 7.
17 is turned on and off by rotating the key, and the key cylinder 1
5 is a key cylinder switch for transmitting a lock signal when 5 is in a locked state and an unlock signal when it is in an unlocked state.

Reference numeral 18 denotes a door lock actuator that locks and unlocks the door 27 by rotating the motor 18a in response to a lock signal and an unlock signal from the control device 13. The motor 18a swings the output rod 18b in the arrow K or arrow L direction via a reduction gear (not shown). The output rod 18b engages with the latch plate 7 of the lock device body 2 at its tip and swings in the arrow K or arrow L direction to rotate the latch plate 7 in the arrow I or arrow J direction.

The door lock actuator 18 may be a lock switch in the door 27 of the driver's seat. That is, in the door 27 of the driver's seat, the door lock actuator 18 is a conventional door lock actuator in the case of a keyless door entry system using remote control keys, and is a lock switch otherwise.

Next, the electric circuit of the first embodiment of the present invention will be described in detail with reference to FIG. The control device 13 includes a binary counter circuit 19, a door lock timer 14, and relays 20 and 2.
It consists of 1, 22 and. The binary counter circuit 19 has a function of outputting a deadlock signal when the key cylinder switch 17 is turned on and off and the lock signal and the unlock signal have two pulses within, for example, 3 seconds of a predetermined time. .
One of the binary counter circuits 19 is connected to the battery 23 via the key cylinder switch 17, and the other is connected to the door lock timer 14. Door lock timer 14
Is a relay coil 20a of the relay 20, a relay coil 21a of the relay 21, and a relay coil 22 of the relay 22.
a, the key demand switch 24, the keyless switch 4, and the door switch 25.

In the relay 20, the normally open fixed contact 20b is connected to the battery 23, the movable contact 20c is connected to the solenoid 10, and the normally closed fixed contact 20d is grounded. Relay 21
Connects the normally open fixed contact 21b to the door lock timer 14 via the relay coil 21a, and the movable contact 21c to the motor 18
It is connected to a and the normally closed fixed contact 21a is grounded. The relay 22 includes a normally open fixed contact 22b and a relay coil 22a.
The movable contact 22c is connected to the motor 18a, and the normally closed fixed contact 22d is connected to the battery 23 via the door lock timer 14.

The key demand switch 24 is turned on when the key is inserted in the cylinder of the ignition switch.
It is a switch that turns off when it is removed. The key command switch 24 has one of the binary counter circuits 1
9 and the other is connected to the battery 23. The keyless switch 4 is a switch that operates locking and unlocking of the doors 27, 29, 32, and 35 with a remote controller. The keyless switch 4 is connected to the binary counter circuit 19, the door lock timer 14, and the battery 23. The door switch 25 is a switch that detects the open / closed state of the doors 27, 29, 32, and 35. The door switch 25
Is connected to the door lock timer 14 and the battery 23.

On the door 27 of the driver's seat, a solenoid 10 for deadlock and a door lock actuator 1 are installed.
The motor 18a of No. 8 and the state switch 26 for detecting the state of the door lock actuator 18 are provided. One of the solenoids 10 is connected to the movable contact 20c and the other is connected to the movable contact 22c. The motor 18a has one end connected to the movable contact 21c and the other connected to the movable contact 22c. The state switch 26 is for the door lock actuator 1.
Reference numeral 8 is a switch for detecting whether it is in a locked state or an unlocked state. The normally closed fixed contact is connected to the control device 13 and the movable contact is grounded.

Reference numeral 28 is an alarm such as a buzzer that operates for a predetermined time, for example, 1 second when a deadlock signal is transmitted, one of which is connected to the solenoid 10 and the other is grounded.
Reference numeral 29 denotes a passenger seat door, on which a deadlock solenoid 30 and a door lock actuator motor 31 connected to the lock device body are installed. One of the solenoids 30 is connected to the movable contact 20c and the other is connected to the movable contact 22c. The motor 31 has one end connected to the movable contact 21c and the other connected to the movable contact 22c.

Reference numeral 32 is a door on the right side of the rear seat.
2, a solenoid 33 and a door lock actuator motor 34 connected to the lock device body are installed. One of the solenoids 33 is connected to the movable contact 20c and the other is connected to the movable contact 22c. The motor 34 has one end connected to the movable contact 21c and the other connected to the movable contact 22c.

Reference numeral 35 is a door on the left side of the rear seat.
5, a solenoid 36 and a door lock actuator motor 37 connected to the lock device body are installed. One of the solenoids 36 is connected to the movable contact 20c and the other is connected to the movable contact 22c. The motor 37 has one end connected to the movable contact 21c and the other connected to the movable contact 22c.

The first embodiment of the present invention has the above-mentioned structure, and its operation will be described in detail with reference to FIGS. 1 to 3. For example, when the door 27 is closed, the striker 1
The throttle 3 is locked in and the door 27 is closed. Door 27
When the door is in the unlocked state, as shown in FIG.
The lock knob 11 and the lock knob rod 12 inside 7 are pulled up in the direction of arrow B, and the plunger 10a of the solenoid 10 is in a protruding state. The hook 8a of the rotating rod 8 is in contact with the plunger 10a. The rotating rod 8 is in a state in which the hook 8a is rotated in the arrow F direction and the connecting portion 8c is rotated in the arrow H direction. The latch plate 7 is unlocked by rotating in the direction of arrow J. In this unlocked state, the door 27 connected to the opening levers 2a and 2b
When the door knob on the inside or outside of the vehicle is pulled, the door 27 is opened.

When the lock knob 11 is pressed in the direction of arrow A and the lock operation is performed, the lock knob rod 12 descends together with the lock knob 11, and the bell crank 9 rotates in the direction of arrow C around the central portion 8b of the rotary rod 8. Then, when the bell crank 9 is rotated in the direction of arrow C, which is about 60 °, which is a play, and is rotated to the position of the bell crank 9 shown by the imaginary line in FIG. 2A, the side wall 9d of the groove 9c is stationary. Hit the hook 8a.

FIG. 2B shows a locked state in which the lock knob 11 is completely pressed down in the direction of arrow A. The hook 8a and the connecting portion 8c shown by the imaginary line in FIG. 2B are unlocked and the bell crank 9 is moved in the direction of the arrow C from the time of unlocking.
The position when rotated by 0 ° is shown. The bell crank 9 further rotates in the direction of arrow C when the lock knob rod 12 is completely pressed down from the state of FIG. 2A, and the side wall 9d presses the hook 8a of the rotating rod 8 to move in the direction of arrow E. The locked state shown in FIG. 2 (b) is obtained by rotating it by 40 °. As the hook 8a rotates in the arrow E direction, the connecting portion 8c at the other end of the rotating rod 8 rotates in the arrow G direction. The rotation of the connecting portion 8c causes the latch plate 7 to rotate in the arrow I direction about the rotation shaft 7a. Lock arm 6, key cylinder rod 16, and output rod 18b connected to the latch plate 7.
Rotate with the latch plate 7. Lock arm 6
Locks the throttle 3 by swinging the lock plate 5.

The key cylinder rod 16 is moved in the direction of arrow M by the rotation of the latch plate 7 to lock the key cylinder 15. The key cylinder switch 17 detects this locked state, and the motors 18a, 3 of the door lock actuator 18 installed on the doors 27, 29, 32, 35 are detected.
1, 34, 37 rotate and each door 27, 29, 32, 3
Lock 5. Further, the output rod 18b swings in the arrow K direction by the rotation of the latch plate 7 to bring the door lock actuator 18 into the locked state. When the door lock actuator 18 is locked, the status switch 26 detects that the door 27 is locked, and the motor 1
The power supply to 8a is cut off.

When the lock knob 11 is pulled up in the direction of arrow B, the lock knob rod 12 is pulled up in the direction of arrow B from the locked state shown in FIG. 2B, and both the bell crank 9 and the solenoid 10 rotate in the direction of arrow D. Move. First, when the bell crank 9 and the solenoid 10 are rotated in the direction of arrow D by 60 ° which is a play, the hook 8a hits the plunger 10a as shown by the imaginary line in FIG. 2 (b).

Further, the bell crank 9 and the solenoid 10 are
It is rotated by 40 ° in the direction of arrow D, and the original FIG.
Will be unlocked. The plunger 10a hits the hook 8a at the position of the hook 8a shown by the solid line in FIG. 2 (b) and presses the hook 8a to the position of the hook 8a shown by the imaginary line in the arrow F direction. Rotate 40 °. Then, the connecting portion 8c of the rotary rod 8 rotates in the arrow H direction to move the latch plate 7 in the arrow J direction, and the lock plate 5 is unlocked. The rotation of the latch plate 7 causes the lock arm 6, the key cylinder rod 16, and the output rod 18b to rotate in the unlocking direction to enter the unlocked state.

The key cylinder rod 16 is moved in the direction of arrow N by the rotation of the latch plate 7 to unlock the key cylinder 15. The key cylinder switch 17 detects this unlocked state, and the motors 18a, 31, 3 of the door lock actuator 18 installed on the doors 27, 29, 32, 35 are detected.
4, 37 rotate to unlock the doors 27, 29, 32, 35. Further, the output rod 18b swings in the direction of the arrow L by the rotation of the latch plate 7 to bring the door lock actuator 18 into the unlocked state. The state switch 26 turns on the door 2 when the door lock actuator 18 is unlocked.
It is detected that 7 is unlocked, and the power supply to the motor 18a is cut off. And pulling the door knob, the door 27,2
9, 32, 35 open.

For example, when the driver gets off the vehicle and closes the door 27, the throttle 3 is locked to the striker 1 of the vehicle body.

When unlocking from the outside of the door 27, the key cylinder 15 is inserted by a key or the keyless switch 4 is operated to lock. For example, a key is inserted into the key cylinder 15 and rotated to the locked position. The key cylinder switch 17 detects the rotation of the key cylinder 15 and is turned on, and the control device 13 sends a locking signal to the solenoid 10 so that the plunger 10a is in a locked state. The key cylinder rod 16 is pressed in the arrow M direction by the rotation of the key cylinder 15, and the latch plate 7 is rotated in the arrow I direction around the rotation shaft 7a to be in the locked state. The lock arm 6 pivotally attached to the latch plate 7, the rotating rod 8, and the output rod 18b are
It rocks with it and becomes locked. The lock arm 6 swings the lock plate 5 to lock the throttle 3.

At the time of locking before locking, the rotating rod 8,
The bell crank 9 and the solenoid 10 are in the unlocked state shown in FIG. Rotating rod 8 from this unlocked state
The connecting portion 8c rotates in the direction of arrow G by the rotation of the latch plate 7, and the hook 8a rotates 40 ° in the direction of arrow E, as shown in FIG. 2 (b). The hook 8a presses the plunger 10a to rotate the bell crank 9 around the central portion 8b of the rotating rod 8 in the direction of arrow C to the position of the bell crank 9 shown by the imaginary line in FIG. 2B. Let Further, the bell crank 9 is biased by a torsion spring (not shown) installed on the lower surface of the bearing 9a, and is rotated in the direction of arrow C to
The locked state shown in (b) is obtained. Lock knob rod 12,
The lock knob 11 is pulled down by the bell crank 9 and is lowered to the locked position. The output rod 18b of the door lock actuator 18 is connected to the latch plate 7
With the rotation of, it swings to the locked position in the direction of arrow K.

The key cylinder switch 17 detects the locked state of the key cylinder 15 and sends a lock signal to the control device 13. When one pulse of the lock signal from the key cylinder switch 17 is input to the binary counter circuit 19,
Door lock timer 14 to relay coils 21a, 22a
An electric current flows through the relays 21 and 22 to turn on. Each door 2
7, 29, 32, 35 door lock actuators 18
The motors 18a, 31, 34, 37 of the above rotate to lock the respective doors 27, 29, 32, 35.

Next, when deadlocking the doors 27, 29, 32, 35, the key is inserted into the key cylinder 15 and the lock operation is performed twice within a predetermined time, for example, within 3 seconds. Alternatively, the keyless switch 4 is locked twice within a predetermined time.

For example, when a key is inserted into the key cylinder 15 and a deadlock operation is performed, the key cylinder switch 17
Turns on and off, and sends a lock signal and an unlock signal to the control device 13. When two pulses of the lock signal and the unlock signal from the key cylinder switch 17 are input to the binary counter circuit 19, the door lock timer 14 outputs each relay 2 to each relay 2.
Relay coils 20a, 21a, 22a of 0, 21, 22
An electric current flows through and turns on.

Motors 18a, 31, 34, 3 of the door lock actuator 18 of the respective doors 27, 29, 32, 35.
Reference numeral 7 denotes a deadlock signal from the control device 13, which rotates to swing the output rod 18b in the arrow K direction toward the locking position. When the door lock actuator 18 is locked, the state switch 26 detects the locked state and the motor 1
The current supply to 8a is cut off.

The latch plate 7 rotates in the direction of arrow I when the key cylinder rod 16 moves in the direction of arrow M due to the swing of the output rod 18b and the rotation of the key cylinder 15. When the latch plate 7 rotates, the lock arm 6
Causes the lock plate 5 to swing and the throttle 3 to be locked.

At the time of locking before the deadlock signal is transmitted, the rotary rod 8, the bell crank 9, and the solenoid 10 are in the unlocked state shown in FIG. 2 (a). When deadlocking from this unlocked state, the rotating rod 8 rotates the latch plate 7 so that the connecting portion 8c rotates in the direction of arrow G, and the hook 8a moves in the direction of arrow E as shown in FIG. 2 (b). Rotate 40 degrees. The hook 8a presses the plunger 10a to move the bell crank 9 into the central portion 8b of the rotating rod 8.
2 is rotated in the direction of arrow C to the position of the bell crank 9 shown by the imaginary line in FIG. Further, the bell crank 9 is biased by a torsion spring (not shown) installed on the lower surface of the bearing 9a, rotates in the direction of arrow C, and is in the locked state shown in FIG. 2 (a). The lock knob rod 12 and the lock knob 11 are pulled down by the bell crank 9, and the arrow A
Direction to the locked position.

A current flows through the solenoid 10 from the door lock timer 14 of the control device 13 for a predetermined time, for example, for 1 second, and the plunger 10a ″ attracts the plunger 10a.
Maintain the state of. The solenoid 10 has a short time in which a current flows and consumes less power. At this time, the alarm 28
In this case, the door lock timer 14 of the control device 13 supplies a current for a predetermined time, for example, 1 second to notify that the deadlock has occurred.

For example, in this deadlock state, the lock knob 11 is pulled up in the direction of the arrow B, and the doors 27, 29, 3 are
When trying to unlock 2, 35 for the purpose of stealing the vehicle, the lock knob 11, the lock knob rod 12, and the bell crank 9 operate, but the plunger 10a is attracted by the solenoid 10 and the hook 8a idles, causing the door 27 to rotate. , 29, 32,
35 cannot be unlocked.

That is, in the locked state shown in FIG. 2 (b), the plunger 10a receives the deadlock signal and the solenoid 1
It is attracted by the magnetic force of the coil of 0, and the plunger 10a ″ is in the attracted state. The solenoid 10 and the bell crank 9
2 is pulled up by the lock knob rod 12 in the direction of arrow B by rotating the lock knob 11, and is rotated in the direction of arrow D about the central portion 8b of the rotating rod 8 as shown in FIG.
It will be in the unlocked state shown in. At this time, the plunger 10a
Is the suction state of the plunger 10a ″ sucked by the solenoid 10, so that the hook 8a does not hit the plunger 10a, and the bell crank 9 is idling.

As a result, even if the lock knob 1 is operated for the purpose of stealing the vehicle and the doors 27, 29, 32 and 35 are unlocked, the movement of the lock knob 11 is stopped at the bell crank 9 and deadlocked. It cannot be unlocked and the car can be prevented from being stolen.

The keyless switch 4 is used for the doors 27, 2
When deadlocking 9, 32, and 35, the keyless switch 4 is locked twice within a predetermined time, for example, within 3 seconds. Motor 18 of door lock actuator 18
a, 31, 34, 37 are actuated and locked, and the solenoids 10, 30, 33, 36 attract the plunger 10a by a deadlock signal from the control device 13. When the lock knob 11 is pulled up, the rotary motion of the bell crank 8 is not transmitted to the rotary rod 8 and idles to maintain the locked state. Therefore, even if the lock knob 11 is pulled up in the direction of the arrow B, the lock cannot be unlocked. For example, it is possible to prevent the vehicle from being stolen by breaking the window glass and unlocking the lock knob 11.

To unlock the deadlock, the key is inserted into the key cylinder 15 and rotated in the unlocking direction. Or
The keyless switch 4 operates the door lock actuator 18 to unlock it.

For example, when a key is inserted into the key cylinder 15 and an unlocking operation is performed, the key cylinder rod 16 moves in the direction of arrow N and the latch plate 7 is rotated in the unlocking direction of arrow J. The rotation of the latch plate 7 causes the lock arm 6, the rotation rod 8, and the output rod 18b to rotate in the unlocked state. The lock arm 6 swings the lock plate 5 to unlock the throttle 3.
When the key cylinder 15 is unlocked, the key cylinder switch 17 detects it and sends an unlock signal to the control device 13.

The controller 13 uses the key cylinder switch 1
An unlock signal from 7 causes solenoids 10, 30, 34, 3
7, a current in the direction opposite to that in the deadlock is passed for a predetermined time, for example, 1 second. The plunger 10a projects to a position forming the lower side wall of the groove 9c by the magnetic force of the coil, and becomes the locked state shown in FIG. 2 (b). When the connecting portion 8c of the rotating rod 8 pivotally supported on the latch plate 7 rotates in the direction of arrow H, the hook 8a rotates 40 ° in the direction of arrow F from the position shown by the solid line in FIG. 2B to the position shown by the imaginary line. Move. At this time, the hook 8a pushes up the side wall 9d of the bell crank 9 to rotate the bell crank 9 in the arrow D direction.
Further, the bell crank 9 is urged by a torsion spring installed on the lower surface of the bearing 9a to rotate in the direction of arrow D and
(A) is unlocked. The rotation of the bell crank 9 causes the lock knob rod 12 and the lock knob 11 to rise in the direction of arrow B to be unlocked. As described above, when unlocking the deadlock state with the key, the door 27 of the driver's seat is
Since the door is mechanically operated and unlocked, the door 27 can be opened even when the battery is exhausted.

The output rod 18b rotates in the direction of arrow L by the rotation of the latch plate 7 and the rotation of the motor 18a which is operated by the unlock signal sent from the key cylinder switch 17 via the control device 13. It moves to the unlocked state. The state switch 26 is for the door lock actuator 1.
Detecting that 8 is in the unlocked state, the power supply to the motor 18a is cut off. Then, by operating the door knobs of the doors 27, 29, 32, 35, the doors 27, 29, 32, 3
5 can be opened.

The door 29 on the passenger seat and the door 3 on the left side of the rear seat
2 and the door 35 on the right side of the rear seat, at the same time as the motor 18a of the door 27 of the driver's seat described above rotates, the motors 31, 34, 37 of the respective door lock actuators operate,
It will be unlocked.

The keyless switch 4 is used for the doors 27, 2
When locking 9, 32 and 35, keyless switch 4
Operate the push button once. As in the case where the key is inserted into the key cylinder 15 for locking and deadlocking, the motor 18a of the door lock actuator 18,
31, 34, 37 are activated to lock.

Second Embodiment Next, a second embodiment of the present invention will be described in detail with reference to FIG. Hereinafter, the same components as those in the first embodiment will be denoted by the same numbers and the same letters, and the description thereof will be omitted. Second of the present invention
In the embodiment, the rotation preventing mechanism 9b of the first embodiment is interposed between the lock knob rod 12 and the rod 38 connected to the latch plate 7, and the bell crank 9 is pivotally supported on the door 27. Is. That is, the rotation preventing mechanism of the latch plate 7 of the second embodiment is the same as that of the first embodiment, and the solenoid 10 for attracting the plunger 10a at the time of deadlock, the bell crank 9 having the solenoid 10 and the plunger 10a are provided. And the hook 8a of the rotating rod 8 which is operated intermittently.

The rod 38 has one end pivotally supported by the connecting portion 8c of the rotary rod 8 and the other end pivotally supported by the elongated hole 7b of the latch plate 7. The bell crank 9 has the same shape as that described in detail in the first embodiment, and the rotary rod 8 is inserted into the bearing 9a,
Moreover, the bearing 9a is pivotally supported on the door 27, for example.
The rotating rod 8 has a central portion 8b axially supported by a bearing 9a, a hook 8a at one end arranged in a groove 9c, and a connecting portion 8c at the other end.
Is pivoted to the end of rod 38. The latch plate 7 and the lock device body 2 are the same as in the first embodiment.

The second embodiment of the present invention operates similarly to the above-described first embodiment of the present invention. That is, at the time of unlocking and locking, the rotary rod 8 is interlocked with the lock knob 11 similarly to the first embodiment, and the hook 8a is centered on the central portion 8b.
Rotates in the directions of arrow E and F, and the connecting portion 8c moves in the direction of arrow G,
And in the H direction. The rotation of the rotary rod 8 causes the rod 38 to move in the Y and Z directions to move the latch plate 7
Is locked and unlocked. When the deadlock signal is given, the plunger 10a is sucked and does not come into contact with the hook 8a of the rotating rod 8, and the rotating rod 8 and the rod 38 are in a deadlock state even when the lock knob 11 is pulled up.

Third Embodiment Next, a third embodiment of the present invention will be described in detail with reference to FIG. Hereinafter, the same components as those in the first embodiment will be denoted by the same numbers and the same letters, and the description thereof will be omitted. Third of the present invention
In the embodiment, the plunger 40a of the solenoid 40 of the rotation preventing mechanism for locking the lock knob rod 12 of the first embodiment is installed on the bell crank 9 or the latch plate 7.

Reference numeral 39 is a lock knob rod connected to the lock knob 11 described in detail in the first embodiment, and has a hook 39a at the lower end. The rotation prevention mechanism is composed of a plunger 40a of a solenoid 40 that appears and disappears, and a hook 39a of a lock knob rod 39 that locks on the plunger 40a. The hook 39a is formed by bending the lower end of the lock knob rod 39 into an L shape, and is located between the fixed board 41 and the plunger 40a when locking and unlocking. The solenoid 40 is a click type that is supported in an activated state, and is fixed on a fixed board 41. Plunger 40
a is projected to the upper part of the hook 39a as shown in FIG. 6 at the time of unlocking and locking, and is attracted by the solenoid 40 at the time of deadlock. It is connected to the long hole 7b of the latch plate 7 of the first embodiment. The fixed board 41 moves up and down in the directions of arrows S and R by a guide member (not shown).

Next, the operation of the third embodiment of the present invention will be described in detail with reference to FIG. Plunger 40 when unlocking and locking
The hook 39a of the lock knob rod 39 is interposed between the plunger 40a and the fixed board 41 in the state where a is projected.

For example, when the lock knob 11 is pressed to push down the lock knob rod 39 in the arrow P direction, the fixed board 41 is lowered in the arrow R direction. As a result, the latch plate 7 is rotated in the locking direction indicated by the arrow I, and the lock arm 6, the latch plate 7, the throttle 3, the key cylinder 15, and the door lock actuator 18 are interlocked with each other so that the doors 27, 29, 32, and 35 move. Lock it.

When the lock knob 11 is pulled up and the lock knob rod 39 moves up in the direction of arrow Q, the hook 39a hits the plunger 40a, and the fixed board 41 moves up in the direction of arrow S together with the solenoid 40. As a result, the latch plate 7 is rotated in the unlocking direction of the arrow J, and the lock arm 6, the latch plate 7, the throttle 3, the key cylinder 1
5, the door lock actuator 18 is interlocked, the door 2
7,29,32,35 are unlocked.

When the doors 27, 29, 32 and 35 are deadlocked, they are locked by the key or the keyless switch 4 twice within a predetermined time. With this deadlock signal, a reverse current flows through the solenoid 40 for a predetermined time,
The plunger 40a is sucked. For example, lock knob 1
1 is pulled up for the purpose of stealing the car and doors 27, 29, 3
When trying to unlock 2, 35, lock knob rod 3
9 is pulled up in the direction of arrow Q. At this time, since the plunger 40a is attracted by the solenoid 40, the hook 39a does not hit the plunger 40a and the hook 39a
Only "a" rises and becomes in a missed state. Therefore, the latch plate 7, the lock arm 6, the latch plate 7, the throttle 3, the key cylinder 15, and the door lock actuator 18 arranged below the fixed board 41 do not operate,
Deadlocked. Even if the lock knob 11 is pulled up for the purpose of stealing the vehicle and the doors 27, 29, 32 and 35 are to be unlocked, it is impossible to unlock them.

Fourth Embodiment Next, a fourth embodiment of the present invention will be described in detail with reference to FIG. In the fourth embodiment of the present invention, the rotation preventing mechanism by the solenoid of the first embodiment to the third embodiment described above is replaced with the motor 42. Hereinafter, the same numbers and letters are used for the same components as those of the first to third embodiments, and the description thereof will be omitted.

Reference numeral 39 is a lock knob rod connected to the lock knob 11, and is a hook 39a hooked on the rack 43.
Have. The hook 39a is formed by bending the lower end of the lock knob rod 39 into an L shape, and is located between the fixed board 44 and the rack 43 when locking and unlocking. The motor 42 has an output gear 45 with which the rack 43 meshes, and is fixed on a fixed board 44. When unlocked and locked, the motor 42 moves the rack 43 in the direction of arrow U as shown in FIG.
The hook portion 43a is located above the hook 39a. When the motor 42 is deadlocked, the motor 42 reverses and the hooking portion 43a of the rack 43 moves to the position shown by the imaginary line in FIG. 7 in the direction of the arrow T and comes into non-contact with the lock knob rod 39. The rack 43 is guided by a plurality of guides 46 installed on the fixed board 44, and linearly moves in the directions of arrows U and T by the rotation of the motor 42. The rotation prevention mechanism includes a latch 43 that moves forward and backward by the motor
And a hook 39a of the lock knob rod 39 that is hooked on the latch 43. The fixed board 44 connects the operation piece 44a to the long hole 7b of the latch plate 7, for example. The fixed board 44 moves up and down in the directions of arrows V and W by a guide member (not shown).

Next, the operation of the fourth embodiment of the present invention will be described in detail with reference to FIG. At the time of unlocking and locking, as shown in FIG. 7, the rack 43 is in the state of moving in the direction of the arrow U, and the hook 39a of the lock knob rod 39 is interposed between the hook portion 43a and the fixed board 44. There is.

For example, when the lock knob 11 is pressed to push down the lock knob rod 39 in the arrow R direction, the fixed board 44 moves down in the arrow W direction. As a result, the latch plate 7 rotates in the locking direction indicated by the arrow I, and the lock arm 6, the lock plate 5, the throttle 3, the key cylinder 15, and the door lock actuator 18 are interlocked with each other so that the doors 27, 29, 32, and 35 are moved. Locked.

When the lock knob 11 is pulled up and the lock knob rod 39 rises in the direction of arrow T, the hook 39a hits the hooking portion 43a and the rack 43 and the motor 42 arranged on the fixed board 44 rise in the direction of arrow V. As a result, the latch plate 7 rotates in the releasing direction of the arrow J, and the lock arm 6, the lock plate 5, the throttle 3, the key cylinder 15, and the door lock actuator 18 are interlocked,
The doors 27, 29, 32, 35 are unlocked.

When the doors 27, 29, 32 and 35 are deadlocked, they are locked by the key or the keyless switch 4 twice within a predetermined time. This deadlock signal causes a reverse current to flow in the motor 42 for a predetermined time to reverse the current, causing the rack 43 to move in the arrow X direction shown by the imaginary line in FIG. 7. For example, when the lock knob 11 is pulled up for the purpose of stealing the vehicle and the doors 27, 29, 32, and 35 are to be unlocked, the lock knob 39 is pulled up in the arrow T direction. At this time, since the rack 43 is moving in the direction of the arrow T, the hook 39a does not hit the hooking portion 43a, and only the hook 39a ascends to be in an idling state. Therefore, the latch plate 7, the lock arm 6, the lock plate 5, the throttle 3, the key cylinder 15, and the door lock actuator 18 arranged below the fixed board 44 do not operate and are deadlocked. Lock knob 11 for the purpose of stealing a car
Even if an attempt is made to pull up the doors to unlock the doors 27, 29, 32, 35, it is impossible to unlock them.

The motor 42, the output gear 45, and the rack 4
The rotation preventing mechanism by 3 and the lock knob rod 39 is not installed only at the connecting portion between the lock knob rod 39 and the latch plate 7, but for example, a portion connecting the lock knob 11 and the lock knob rod 12, or a lock knob rod. You may arrange | position in the part etc. which connect 12 and the bell crank 9.

The rack 43 operated by the output gear 45 of the motor 42 of the fourth embodiment of the present invention described above is installed by replacing it with the plunger 10a of the solenoid 10 of the first and third embodiments of the present invention. You may.

As described above in detail in the first to fourth embodiments, the present invention is applied to the door 2 from the deadlocked state.
When unlocking 7, 29, 32, and 35, the key is inserted into the key cylinder 15 and pivoted to the unlocked position, whereby the key cylinder rod 16 pivots the latch plate 7 and the lock arm 6 Since the lock plate 5 mechanically unlocks the throttle 3, the doors 27, 29,
It is possible to solve the problem that 32 and 35 cannot be unlocked.

[0080]

Since the present invention is constructed as described above, it has the following effects. (1) According to the present invention, by providing the rotation preventing mechanism, it is possible to perform a deadlock in which the door cannot be unlocked even if the lock knob is pulled up for the purpose of stealing a vehicle,
And it is possible to prevent theft. (2) Since the present invention is provided with the rotation preventing mechanism, the door can be unlocked from the deadlock state by inserting the key into the key cylinder and rotating the door even when the battery of the automobile is exhausted. (3) According to the present invention, since the rotation preventing mechanism is provided, the door can be unlocked without damaging the key cylinder, the bonnet, or the like when the battery of the automobile goes up.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a first embodiment of the present invention.

FIG. 2 is an operation explanatory view showing the first embodiment of the present invention,
(A) is an enlarged perspective view of an essential part showing a state when unlocked, (b) is an enlarged perspective view of an essential part showing a state when locked, and (c) is an enlarged perspective view of an essential part showing a state when deadlocked. is there.

FIG. 3 is an electric circuit diagram showing a first embodiment of the present invention.

FIG. 4 is an explanatory diagram showing a second embodiment of the present invention.

FIG. 5 is an enlarged view of part A in FIG.

FIG. 6 is an explanatory diagram showing a third embodiment of the present invention.

FIG. 7 is an explanatory diagram showing a fourth embodiment of the present invention.

[Explanation of symbols]

 2 Lock device body 7 Latch plate 8 Rotating rod 8a, 39a Hook 9 Bell crank 9b Rotation blocking mechanism 9c Groove 9d Side wall 10, 30, 33, 36, 40 Solenoid 10a, 40a Plunger 11 Lock knob 12, 39 Lock knob rod 13 Control Device 15 Key cylinder 16 Key cylinder rod 17 Key cylinder switch 18 Door lock actuator 18a, 31, 34, 37, 42 Motor 27, 29, 32, 35 Door

Claims (9)

[Claims] 1. A control device that outputs a deadlock signal when a deadlock operation is performed, a lock device body that locks and unlocks a door and has a latch plate, and a lock knob rod that is installed inside a door. A deadlock device for a vehicle door lock, comprising a lock knob connected to the latch plate via a lock prevention mechanism that prevents the latch plate from rotating in conjunction with the lock knob during deadlock. A deadlock device for a vehicle door lock. 2. The deadlock of a vehicle door lock according to claim 1, wherein the rotation preventing mechanism is interposed between the lock knob and a latch plate of the lock device body. apparatus. 3. The vehicle door lock dead according to claim 1, wherein the rotation preventing mechanism is installed on a bell crank interposed between the lock knob and the latch plate. Locking device. 4. The invention according to claim 1, 2, or 3, wherein the rotation preventing mechanism is provided on a lock knob rod or the latch plate interposed between the lock knob and the latch plate at the time of deadlock. A deadlock device for a vehicle door lock, comprising a bell crank having a groove in which a hook formed at one end of a pivotally supported rotating rod idles. 5. The invention according to claim 1, 2, 3, or 4, wherein the rotation preventing mechanism includes a plunger forming a part of a side wall of a groove portion of the bell crank in which the hook is provided. A deadlock device for a vehicle door lock, characterized by comprising a solenoid. 6. The invention according to claim 1, 2, 3, or 4, wherein in the rotation blocking mechanism, the hook projects and strikes when unlocked, and sinks when deadlocked, and is in a non-contact state. A deadlock device for a vehicle door lock, comprising a solenoid having a plunger. 7. The invention according to claim 1, 2, 3, or 4, wherein, in the rotation preventing mechanism, the hook protrudes and abuts upon unlocking, and is depressed during a deadlock to be in a non-contact state. And a deadlock device for a vehicle door lock, which comprises a rack that can be retracted by a motor. 8. The invention according to claim 1, 2, 3, or 4, wherein the rotation prevention mechanism is adjacent to the hook and is retracted by a motor to form a side wall of a groove portion of the bell crank. A deadlock device for a vehicle door lock, characterized by comprising a rack. 9. The invention according to claim 1, 2, 3, or 4, wherein the rotation blocking mechanism includes a hook formed at one end of the lock knob rod or the rotation rod, the bell crank, or A rack which is installed on the latch plate and which is retracted by a motor or a solenoid, and which is protruded at the time of unlocking and locking to be hooked on the hook and which is depressed at the time of deadlock and is in a non-contact state with the hook. A vehicle door lock deadlock device characterized by the above.