JPH0781440B2 - Locking and unlocking device for car doors - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention prevents a key from being left behind when a user dismounts from an automobile, so that the key cannot be taken out of the vehicle by locking the door with the key still inserted in the steering lock. The present invention relates to a locking / unlocking device for a car door.

[Prior Art] Conventionally, some automobiles are equipped with a steering lock including a locking tool for locking and unlocking a steering shaft and an ignition switch. When getting on, after unlocking the key and opening the door, the key was inserted into the ignition switch of the steering lock to unlock the steering shaft and at the same time the power was turned on. When getting off the vehicle, the power was turned off, the steering shaft was locked, the key was pulled out, the door was opened, and the manual lock on the door was pushed down to prepare for locking, and then the vehicle was dismounted and the door was closed.

[Problems to be solved by the invention]

By the way, conventionally, when a passenger gets in and out of an automobile, the door is unlocked, the ignition switch is turned on and off, and the steering shaft is locked and unlocked with a single key. It was designed to be locked manually by using the above key instead of the key.

For this reason, in the conventional steering lock, when the vehicle is dismounted from the automobile, the manual lock is locked while the key is still inserted in the steering lock and the door is closed. Therefore, there is a problem that the key is left in the vehicle without being pulled out.

Therefore, since there is no means for preventing forgetting to pull out the key from the steering lock, a mounting means for accommodating the key under the spare key body has been provided, but this is apt to be stolen, so there is concern about crime prevention. There was a problem.

The present invention has been made to solve the above-mentioned problems, and when the door is opened at the time of getting off and preparation for locking the manual lock of the door is made, when the key is still inserted in the steering lock, An object of the present invention is to obtain a locking / unlocking device for an automobile door that emits an alarm sound that warns that the user has forgotten to pull it out.

[Means for solving problems]

The locking / unlocking device for an automobile door according to the present invention is provided with an operating plate for locking / unlocking by manual operation from the inside of the door in a manual lock, and inserting a key into a cylinder lock provided in the door from outside of the door to rotate. By doing so, a switch for turning on the power of the ignition switch is provided, and the rotary lever attached to the cylinder lock provided on the door engages only in the unlocking direction formed in the engagement recess formed on the operation plate to operate. Means are provided in the manual lock, and an engagement piece that is constantly pressed downwardly by the spring provided in the actuating plate is provided, and after operating the actuating plate in the locking direction, the door is opened. The manual lock is provided with means for automatically locking the engagement piece by actuating the engagement piece when the key is inserted, and the key is inserted in the cylinder lock of the ignition switch. In the closed state of the door plate is depressed, it is provided with a means for transmitting a warning sound when the locking prepare the press down on the operating plate after opening the door by pulling the actuating plate.

[Operation] In this invention, the power can be turned on only when the cylinder lock of the door is unlocked by the key, and the door is opened.
After boarding, the key is inserted into the steering lock to unlock the steering shaft, the ignition switch is turned on, the door is closed and the operating plate is operated to lock.
When getting off, turn off the power of the ignition switch, lock the steering shaft, pull out the key, operate the operating plate to unlock it, open the door, and operate the operating plate in the locking direction to prepare for locking. After that, get off and lock the door by closing the door from the outside. On the other hand, when the door is opened without pulling out the key from the steering lock and the operating plate is operated in the locking direction to prepare for locking, an alarm sound is issued to warn that the key has been pulled out.

〔Example〕

1 (a) and 1 (b) are an external view showing an example of an automobile using the lock device of the present invention and an internal view showing a part of an internal driver's seat, wherein 1 is the whole automobile and 2 is A vehicle body 3, a driver's seat door, 4 an external handle for opening the door 3 from the outside, 5 an internal handle for interlocking with the external handle 4 to open the door 3 from the inside, 6 a cylinder lock, and FIG. Although it is illustrated on the side of the auxiliary seat of the automobile 1 in a), it is also provided outside the door 3 on the side of the driver's seat as shown by the broken line in FIG. 7 is a manual lock operated inside the door 3, 8 is a steering wheel, 9 is a steering lock provided with locking and unlocking means for blocking and releasing the rotation of the steering wheel 8,
Reference numeral 10 denotes an ignition switch, which is provided on the steering lock 9 and is used to turn on the power of electric components such as lighting and radio.
It turns off and starts the engine, and is electrically connected to the manual lock 7 of the door 3.

2 (a), (b), FIG. 3 (a), (b), and FIG. 4 show an embodiment of the present invention.
(B) is a side view and a rear view showing the first manual lock 7, and FIGS. 3 (a) and 3 (b) are partially cutaway plan views, front views and FIG. 4 showing the steering lock 9 of FIG. 1 is a partially cutaway side view showing the ignition switch 10 of FIG. 1, and the same reference numerals as those in FIG. 1 denote the same parts. Figure 2 (a),
In (b), 11 is a manual actuating plate (hereinafter simply referred to as an actuating plate) provided on the manual lock 7, 11a is a knob for manually pulling up or pushing down the actuating plate 11, and 11b is an operation. On the other hand, the switch S ₁ is turned on and off by operating the operating plate 11. 11c is an engaging recess formed in the actuating plate 11, 12 is an engaging piece, 13 is a case for accommodating the engaging piece 12, 14 is a compression spring for constantly pressing the engaging piece 12 downward, 15 Is a spring for holding the operating plate 11 at either the raised position or the lowered position, 16 is a cylinder lock for unlocking the operating plate 11 from the outside of the door 3, K is a key of the cylinder lock 16, and 17 is A rotary plate which is rotated by turning the key K, a rotary shaft 17a integrated with the rotary plate 17, and a rotary lever 18 fixed to the rotary shaft 17a. It is adapted to engage with the upper end of the engaging recess 11c. Reference numeral 19 denotes a magnet attached to the rotary plate 17 for turning on / off a reed switch (hereinafter simply referred to as a switch) S ₂ . Reference numeral 20 denotes a tension spring that always holds the operating plate 11 in the lowered position shown in FIGS. 2 (a) and 2 (b), and 21
Is a connecting rod connected to the handles 4 and 5 shown in FIG. 1, 22 is a connecting shaft, 23 is an engaging lever, 24 is a fixed shaft which rotatably engages the engaging lever 23, 25 Is a rotor for engaging and disengaging the engagement piece 12 and the engagement lever 23, 25a is an engagement recess of the engagement piece 12, and 25b is an engagement recess of the engagement lever 23. Reference numeral 26 denotes a magnet attached to the rotor 25, which turns a reed switch (hereinafter simply referred to as a switch) S ₃ on and off. Reference numeral 27 is a rotary shaft integrated with the rotor 25, 28 is a U-shaped engaging piece for locking the door 3 to the vehicle body 2, and is formed integrally with the rotary shaft 27. Reference numeral 29 denotes a U-shaped engaging fitting attached to the vehicle body 2, and the engaging piece 28 is engaged when the door 3 is closed. Reference numeral 30 is a spring for holding the engaging piece 28 in the engaging position or the open position rotated by 90 °, and the engaging piece 12 is automatically operated by the switch rod S ₃ and the parts indicated by reference numerals 22 to 30 in addition to the connecting rod 21. The manual lock 7 is provided with means for selectively locking.

In FIGS. 3A and 3B, 31 is the steering shaft of the steering wheel 8 and 32 is the steering shaft.
An outer cylinder 31, a mounting portion 33 for mounting the steering lock 9 on the outer cylinder 32, and an engaging piece 34 formed on the mounting portion 33 for engaging the outer cylinder 32 to fix the steering lock 9. . Reference numeral 35 denotes a steering shaft to prevent the steering wheel 8 from rotating when not in use after getting off the automobile 1.
31 is a locking tool, 36 is an insertion hole for the key K, 37 is a terminal of the ignition switch 10, and 38 is a lead wire.

In FIG. 4, 41 is a cylinder lock inserted in the ignition switch 10, 42 is an outer cylinder of the cylinder lock 41, 43 is an inner cylinder, 44 is a pin, 45 is a spring for pressing the pin 44, Reference numeral 46 denotes an operating rod provided inside the ignition switch 10, and when the key K is inserted into the inner cylinder 43, the switch S ₄ is turned off by rotating clockwise from the position indicated by the chain double-dashed line to the position indicated by the solid line. Reference numeral 47 is a shaft that rotatably fits the operating rod 46, 48 is a spring that presses the operating rod 46 to rotate counterclockwise, and 49 is a lead wire.

It should be noted that the operating rod 46 and the switch S ₄ are provided as means for transmitting an alarm sound in cooperation with the operating plate 11, the switch S ₁ and the switch S ₃ when the key K is not pulled out, as will be described later. .

Next, the operation will be described.

2 (a) and 2 (b) are manual locks 7 with the door 3 closed.
It is a mode when is locked.

When getting on the automobile 1, first, the key K is inserted into the cylinder lock 16 and turned in the direction of arrow A, and the rotary lever 18 engaged with the upper end of the engaging recess 11c is moved as shown in FIG. 2 (b). Since it rotates in the direction of arrow B, the working plate 11 is raised while the tension spring 20 is extended and urged. At this time, switch S ₁ turns off,
The switch S ₂ turns on. Then, when the gripping force of the key K held in the hand is loosened, the restoring force of the tension spring 20 returns the key K to the initial position, and at the same time, the rotary lever 18 is also brought to the position indicated by the chain double-dashed line in FIG. 5 (b). Automatically return, switch S
₂ is off. However, when the switch S ₂ is turned on, the contact of the relay circuit (not shown) is closed and self-held, and the power circuit of the ignition switch 10 is closed.
After that, when the key K is inserted into the "LOCK" position of the insertion hole 36 of the ignition switch 10 as shown in FIG. 6 (a), as shown in FIG. insertion of the operating lever 46 is key K was in the position of the point chain line, since pushed down the one end portion 46a, rotates clockwise about the shaft 47, the switch S ₄ at the other end portion 46b of the operating lever 46
Press the push button of the switch S that has been turned on until now.
Turn off ₄ .

On the other hand, as shown in Fig. 6 (b), press the key K to "LOCK".
When it is rotated in the clockwise direction indicated by the arrow C from the position of to the position of "OFF", the locking tool 35 shown in FIGS. 3 (a) and 3 (b) is retracted into the steering lock 9 to prevent the rotation until now. The engagement with the steering shaft 31 that has been used is released, and the steering wheel 8 can be rotated. Further, as shown in FIG. 6 (c), press the key K from the "OFF" position to the "O" position.
When it is rotated clockwise to the “N” position by the arrow D, the ignition switch 10 is turned on. When the key K is further rotated to the position of "START" in the direction indicated by the arrow E, the power circuit of the ignition switch 10 is turned on and the engine is started. After the engine starts, release the key K and the key K will automatically rotate counterclockwise and return to the "ON" position.

On the other hand, in FIGS. 5A and 5B, when the rotary lever 18 returns to the position of the chain double-dashed line, the engaging recess 11c of the operating plate 11
Has a large notch, and the rotary lever 18 has a second
Even if it is rotated in the direction opposite to the arrow B direction in FIG.
Is held in the upper position without being lowered by the urging force of the spring 15. At the same time, the engagement piece 12 is disengaged from the engagement recess 25a of the rotor 25. Then, by pulling the outer handle 4 to disengage the engagement lever 23 from the engagement recess 25b of the rotor 25, the U-shaped engagement piece 28 can be rotated. here,
When the door 3 is opened, the engaging piece 28 rotates along the engaging metal fitting 29 as shown by the chain double-dashed line in FIG. 7, and is completely disengaged at the position indicated by the solid line, and the spring 30 causes the spring 30 to move as shown in FIG. ) And (b) are retained. The switch S ₃ which has been turned on this time is turned off.

Then, after getting on the vehicle and closing the door 3, the U-shaped engaging piece 28
Rotates in the opposite direction as shown in FIG. 7 and comes into contact with the engaging metal fitting 29 at the position indicated by the solid line, so that it rotates to the position indicated by the alternate long and two short dashes line and further reaches the position shown in FIG. , And then the engagement lever 23 engages with the engagement recess 25b of the rotor 25. Next, when the operating plate 11 is lowered after the door 3 is closed, the engagement piece 12 engages with the engagement recess 25a, and the spring 15 holds the lowered position, resulting in the state of FIG. 2 (a).

Next, when you get off, press the key K from the "ON" position to "OF".
When the ignition switch 10 is turned off counterclockwise to the "F" position, the key K is further turned to the "LOCK" position and pulled out from the ignition switch 10, so that the locking device 35 protrudes and the locking device 35 shown in FIG. As shown in a) and (b), the steering shaft 31 is engaged to prevent the steering wheel 8 from rotating. Also, as shown in FIG.
When the lever is pulled out, the operating rod 46 returns to the position indicated by the chain double-dashed line by the restoring force of the spring 48, and the push button of the switch S ₄ is pushed to turn on the switch S ₄ which has been turned off until now. Next, pulling up the operating plate 11 by holding the knob 11a, the engaging piece 12
And the inner handle 5 is operated to open the door 3 and get off the vehicle in the same manner as above. At this time, the switch S ₃ is turned off. Then, when the operating plate 11 is pushed down, the switch S ₁ is turned on,
The switch S ₂ is turned off, and the rotor 25 and the U-shaped engaging piece 2
8 is the position shown in FIGS. 8 (a) and 8 (b), so that the engaging piece 12
Is located on the circumference of the rotor 25 and compresses and urges the compression spring 14, so that the manual lock 7 is ready for locking.

Next, when the door 3 is completely closed, the rotor 25 rotates, so that the switch S ₃ is turned on, and the engaging spring 12 is compressed by the compression spring 14.
The restoring force causes the initial position shown in FIGS. 2 (a) and 2 (b).

On the other hand, when getting off the vehicle, when forgetting to pull out the key K from the ignition switch 10 of the steering lock 9 and the switch S ₄ is turned off while it is still inserted, the door 3 is opened and the switch S ₃ is turned off, When the operating plate 11 is pushed down to lock the door 3 to prepare for locking, the switch S
_{When 1} is turned on, a warning sound is emitted to warn that the key K has been forgotten to be pulled out of the steering lock 9.

Therefore, by pulling out the key K, the switch S ₄
Is turned on and the alarm sound is stopped.

That is, when the key K is inserted into the ignition switch 10 and the switch S ₄ is off, the door 3 is opened to turn off the switch S ₃ and further push down the operating plate 11. Switch S ₁ is turned on. Therefore, if the key K is pulled out and the switch S ₄ is turned on, even if the door 3 is opened and the switch S ₃ is turned off and the operating plate 11 is pushed down and the switch S ₁ is turned on, no alarm sound is emitted.

When the key K is inserted and the switch S ₄ is off, the door 3 is closed, and when the switch S ₃ is on, the operation plate 11
Even if the switch is pressed down to turn on the switch S ₁ , no alarm sound is emitted.

9 (a) to 9 (f) are waveform charts showing the operation of the switches S ₁ , S ₂ , S ₃ , S ₄ of the lock device and the steering lock 10 shown in FIGS. ₂ and ₄ .

First, at the time t ₀ when the door 3 is closed, the switch S ₁ is in the ON state, and the locked signal is transmitted from the inside, which can be confirmed even at a place away from the automobile 1. The switch S ₂ is off and the switches S ₃ and S ₄ are on.

Next, at time t ₁ , the key K is pressed and the cylinder lock 1 of the manual lock 7 is locked.
When it is inserted into 6 and unlocked, the switch S ₂ is turned on, and the unlocked signal is transmitted from the outside and the first
Energization is made possible by operating the ignition switch 10 shown.

Then, the switch S ₂ is turned off by returning the key K to the original insertion position.

Next, when the door 3 is opened at time t ₂ , the transmission of the signal notifying that the door 3 is closed is stopped.

Next, after getting on, at time t ₃ , the ignition switch 1
Upon insertion of the key K to the "LOCK" position of 0 the switch S ₄ is turned off.

Next, when the key K is rotated to release the engagement of the locking tool 35 at the "OFF" position and further rotated to the "ON" position, the electric components are energized.

Then, after rotating to the "START" position to start the engine, the engine is returned to the "ON" position. Incidentally, the timer (not shown) upon insertion of the key K to the cylinder lock 41 at time t ₃ is not rotate the key K in a predetermined time in operation (e.g., within 10 seconds), the alert sound at a time t ₄ when the time is up To do. If this is performing an operation by unauthorized means picking like, to rotate the actuating rod 46 takes time to the operation of the pin 44 be able to turn off the switches S ₄ and a required time, for example within 10 seconds This is because the inner cylinder 43 cannot be rotated. For this reason, it is impossible to energize by the operation by the illegal means, and it is possible to immediately notify the illegal operation of the ignition switch 10 by the illegal means by transmitting the alarm sound. After inserting the key, if the key K is rotated and energized while the timer is operating for a predetermined time (for example, 10 seconds), no alarm sound is emitted.

Then, at time t ₅ close the door 3 when the switch S ₃ is turned on, lowering the operating plate 11 at time t ₆ the switch S ₁ is turned on and lock signals originating, off of the switch S _2, unlock signal Outgoing call stops.

Next, when getting off the vehicle, when the operating plate 11 is pulled up at time t ₇ , the switch S ₁ is turned off and the locking signal is turned off. At time t ₈ , the door 3 is opened and the switch S ₃ is turned off. _{When the} key K is immediately rotated from the “ON” position to the “LOCK” position by 9 and the key K is pulled out, the switch S ₄ is turned on by the operation of the operating rod 46. Next, at time t ₁₀ , the operating plate 11 is locked and the switch S ₁ is turned on. Also, at time t ₁₀ , the door 3 is opened, forgetting to pull out the key K from the ignition switch 10, and if the operating plate 11 is pushed down while the switch S ₄ is in the off state with the key K still inserted, an alarm sound is generated. send.

It should be noted that the switch S ₄ key K at time t ₆ have been inserted
Switch S ₁ but since switch S ₃ is closed the door 3 even when off is in the on state, press down on the operation plate 11
Even if is turned on, no alarm sound is emitted.

Next, at time t ₁₁ , the door 3 is closed and the door 3 is locked.

Moreover, the glass window of the door 3 is destroyed without using the key K,
Insert a thin plate through the gap between the window frame and the guide window
In case of unauthorized unlocking such as pulling up 11, switch S
_{Although 1} is turned off, since the key K is not owned, the operation of inserting the key K into the cylinder lock 16 and unlocking it cannot be performed.

Therefore, since it is impossible to turn on the switch S ₂ , the power of the ignition switch 10 is not turned on, so that the engine cannot be started.

Further, since the signal that the door 3 is locked from the inside is turned off when the switch S ₁ is turned off, it is found that the door is unlocked illegally.

FIG. 10 is a partially cutaway side view showing another shape of the ignition switch 10 of FIG. 4, and the same reference numerals as those in FIG. 4 denote the same parts, 51 is a pressing piece and 52 is an integral part of the pressing piece 51. Operating rod,
Reference numeral 53 is a support cylinder for the operating rod 52, and 54 is a spring.

The spring 54 is compressed by pressing the pressing piece 51 by inserting a key K into the inner cylinder 43, to turn off the switch S ₄ by pressing the push button switch S ₄ by the operation lever 52.

When the key K is pulled out, the restoring force of the spring 54 releases the pressing of the operating rod 52 and the switch S ₄ is turned on. Since the other operations associated with the turning on and off of the switch S ₄ are the same as those in the case of FIG. 4, their explanations are omitted.

〔The invention's effect〕

As described above, the present invention provides a manual lock with an operating plate that locks and unlocks manually from the inside of the door, and inserts a key into the cylinder lock provided on the door from the outside of the door to rotate it. A switch for turning on the power of the ignition switch is provided, and a means for operating the rotary lever attached to the cylinder lock provided on the door only in the unlocking direction formed in the engagement recess formed in the operation plate is operated. When the door is closed after the manual lock is provided with an engaging piece which is constantly pressed downward by the spring provided on the actuation plate toward the lower side of the actuation plate, and the actuation plate is operated in the locking direction. The manual lock is provided with means for automatically locking the engagement piece by actuating the engaging piece, and further inserting the key into the cylinder lock of the ignition switch and pressing the operating plate. In the closed state of the door being lowered, the operating plate is pulled up to open the door, and then the operating plate is pushed down to provide a means for emitting an alarm sound when preparing for locking, so that the key K is not used. In the correct lock, the ignition switch cannot be energized and the engine cannot be started, so that the vehicle can be prevented from being stolen. In addition, there is no need to lock the door with the key, and if you forget to pull out the key from the ignition switch, a warning sound will be emitted, so you will get off the door with the key inserted in the ignition switch and close the door. It has the advantage that it can be prevented from being taken out of the car.

[Brief description of drawings]

1 (a) and 1 (b) are an external view showing an example of an automobile using the lock device of the present invention and an internal view showing a part of an internal driver's seat, FIGS. 2 (a) and 2 (b), 3 (a), (b),
FIG. 4 shows an embodiment of the present invention. FIGS. 2 (a) and 2 (b) are side and rear views showing the manual lock of FIG. 1, and FIGS. 3 (a) and 3 (b). 1 is a partially cutaway plan view and front view showing the steering lock of FIG. 1, FIG. 4 is a partially cutaway side view of the ignition switch of FIG. 1, and FIGS. 5 (a), 5 (b) and 8 are shown. Both (a) and (b) are second
The operation shown in FIGS. 5A and 5B is shown in FIG.
FIG. 8 (a) is a side view, FIG. 5 (b), FIG. 8 (b) is a rear view, and FIGS. 6 (a), (b), and (c) show the positions of the keys in the ignition switch. Explanatory drawing, FIG. 7 is an explanatory view showing the operation of the engaging fitting of the door of the automobile, FIG. 9 is a waveform diagram showing the operation of the locking / unlocking device of the present invention, and FIG. 10 is the other ignition switch of FIG. It is a partially broken side view showing an example of FIG. In the figure, 1 is an automobile, 2 is a vehicle body, 3 is a door, 4 is an external handle,
5 is an internal handle, 6 is a cylinder lock, 7 is a manual lock, 8 is a steering wheel, 9 is a steering lock, 10 is an ignition switch, 11 is an operating plate, 11c is an engaging recess, 1
2 is an engaging piece, 14 is a compression spring, 16 is a cylinder lock, 18 is a rotating lever, 20 is a tension spring, 23 is an engaging lever, 25 is a rotor,
28 is an engaging piece, 29 is an engaging metal fitting, 31 is a steering shaft, 32 is an outer cylinder, 32 is a locking tool, 36 is an insertion hole, 37 is a terminal, 41 is a cylinder lock, 42 is an outer cylinder, and 43 is an inner cylinder. A cylinder, 46 is an operating rod, 47 is a shaft, 48 is a spring, K is a key, and S ₁ , S ₂ , S ₃ , and S ₄ are switches.

Claims (1)

[Claims] 1. A manual lock for locking and unlocking from the inside of a door and inserting and rotating a key into the cylinder lock provided on the door to lock and unlock the door, and a cylinder into which the key is inserted. In a locking / unlocking device for an automobile door having a steering lock having an ignition switch with a lock, an operating plate for locking / unlocking by manual operation from the inside of the door is provided in the manual lock, and the door is opened from the outside of the door. A switch that turns on the power of the ignition switch by inserting a key into the cylinder lock provided on the and rotating the switch is provided, and the rotary lever attached to the cylinder lock provided on the door is provided in the engaging recess formed on the operating plate. The manual lock is provided with a means for engaging and operating only in the unlocking direction, and a spring provided in the operating plate always keeps the downward direction of the operating plate. The manual lock is provided with means for automatically locking the engaging piece provided with the pressed engaging piece and operating the operating plate in the locking direction and then closing the door. The key is inserted into the cylinder lock of the ignition switch, and the operating plate is pushed down, in the closed state of the door, the operating plate is pulled up to open the door, and then the operating plate is pushed down to prepare for locking. A locking / unlocking device for an automobile door, characterized by being provided with means for emitting an alarm sound.