JPS58181976A - Lock apparatus for opening and closing body - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a locking device for an opening/closing body.

As a conventional locking device for an opening/closing body, for example, a locking device for a vehicle door is explained. In this type of door locking device, a lock knob and a key cylinder are connected to a door lock body by a link mechanism. The door lock itself can be locked and unlocked by operating the button. Additionally, a door lock actuator is installed in the door lock body, allowing all the doors of the vehicle to be locked and unlocked at the same time. When locking the door lock body from outside the vehicle, the key plate must be inserted into the key cylinder and rotated to operate the lock.
Locking the vehicle using the key plate from outside the vehicle was cumbersome.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to lock the door lock body from outside the vehicle interior using a simple means using a key plate. The present invention
As a means for achieving this purpose, a locking device for an opening/closing body consisting of a lock body, a lock actuator for locking and unlocking the lock body, and a lock circuit for operating the lock actuator is provided. A reed switch is used to lock and operate the lock actuator, and a magnet is installed near the reed switch, and the reed switch is activated by changing the magnetic field between the reed switch and the magnet using the key plate or key plate attachment. The gist of this is that we have done so.

Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.

1 to 3 show an embodiment in which a locking device according to the present invention is applied to a vehicle door. 1st
In the figure, numeral 1 is an escutcheon of an outside tone wheel attached to the door actor panel, numeral 2 is a door turndle rotatably attached to the escutcheon 1, and numeral 3 is a key cylinder. On the back surface of this escutcheon 1, as shown in FIG. 2, a reed switch 4 and a magnet 5 are arranged close to both sides of a four part 6 formed on the escutcheon 1. The reed switch 4 acts as an activation switch for a door lock actuator, which will be described later, but in this embodiment, a normally closed type is used, and in normal times it is turned off by the magnetic force of the magnet 5. By inserting the key switch 7 or the key switch accessory into the recess 6 of the escutcheon 1, the magnetic field is blocked or attenuated, and the magnetic force from the magnet 5 is weakened to turn on the key switch. Note that the reed switch 4 is not limited to a normally closed type, and a normally open type can also be used, in which case the signal from the reed switch is processed electrically. Further, in the above embodiment, an escutcheon IK recess 6'ft is formed between the reed switch 4 and the magnet 5, but this recess 6 is not necessarily necessary. 7 etc., it is sufficient to block or attenuate the magnetic field of the magnet 5, so by appropriately adjusting the position and sensitivity of the reed switch 4 without providing the recess 6, the reed switch 4 can be turned on and off. It may be turned off.

FIG. 3 shows a circuit diagram of a door lock device including the reed switch 4. In the figure, 8 is a battery, 9 is a fuse, 10 is a timer circuit that supplies base current for the entire set time to a transistor 12 connected to the battery 8 via a relay coil 11 when the reed switch 4 is turned on, and 13 is a timer circuit. The door lock actuator is a door lock actuator in this embodiment.

14.15 t, a relay coil and an unlock switch connected in series to the battery 8, and 11a and 148 are relay switches that are switched by the energization of each relay coil 11.14. This acts to switch the supply direction. 16
is a bidirectional Zener diode, which is connected in parallel to the end of the flenoid 13 and absorbs the back electromotive force of the frenoid 13 for door locking.

In this embodiment, the reed switch 4 has a door ajar switch in order to reliably prevent the door lock body from being locked when the door is incompletely closed, and to reliably prevent the key plate 7 from being left behind in the vehicle interior. The detection switch 1T and the key plate detection switch 18 are connected in series.
The door locking valve 13fc can be operated only when the switches 4 and 17.18 are turned on.

The half-door detection switch 17 detects the incompletely closed state of the door, and is turned on only when the door is completely closed. - The primary key plate detection switch 18 maintains an off state when the key plate 7 is inserted into the key groove of the ignition switch,
The key is turned on by being pulled out from the keyway.

Therefore, if you leave the vehicle with the key plate 7 still inserted into the keyway of the ignition switch and try to lock the door with something other than the key plate 7, the key plate detection switch 18 will not turn on and the door will lock. The key plate 7 is not activated and the user can realize that the key plate 7 has been left behind in the vehicle interior.

Further, the above-mentioned door lock device is added with an antenna storage device 19 that automatically stores the radio antenna when the door lock body is locked. This antenna storage device 190 circuit includes a reed switch 4 as shown in FIG.
, when the door ajar detection switch 17 and the key plate detection switch 18 are all turned on, the transistor 2
a timer circuit 21 that operates 0 for a certain period of time, a relay coil 22 connected in series to a transistor 20, an ignition switch 23 connected to a power source 8, an antenna elevation changeover switch 24, an antenna drive motor 25, and the ignition switch 23 and antenna. The relay switch 26 is connected in parallel to the antenna drive motor 25, bypassing the elevation changeover switch 24. still,
Reference numeral 27 denotes a rehat switch, which is used to prevent the clutch noise of the antenna drive motor 25 from being generated until the operation of the timer circuit 21 stops after the antenna is lowered.

Next, the operation of the vehicle door lock device constructed as described above will be explained.

Currently, when the driver locks the door lock body from outside the vehicle, the key plate 7 is required, but as in the past,
Instead of the troublesome operation of inserting the tip of the key plate 7 into the key cylinder 3 and performing the locking operation, the door can be opened by pressing the tip of the key plate 7 against the recess 6 of the escutcheon 1 after the door is fully closed. The lock body can be locked.

By such a simple operation, the reed switch 4, the door ajar detection switch 17, and the key plate detection switch 18 of the door lock circuit shown in FIG. A base current is supplied to 12. Therefore, the transistor 12 is not turned on, current flows from the battery 8 to the relay coil 11, and the relay switch 11a is connected to the battery side, and the door lock solenoid 13 Current flows in a fixed direction. As a result, the door lock body of each door is locked by the electromagnetic attraction force of the door lock solenoid 13. In this way, locking can be easily performed by simply touching or approaching a predetermined portion of the escutcheon 1 with an accessory of the key plate I or the key plate 7, such as a key holder, from outside the vehicle;'1. In addition, the door lock body cannot be locked unless the key plate T is taken out of the vehicle and the door is fully closed, so there is a risk of leaving the key plate 1 in a single compartment or locking the door lock body with the door ajar. Locking can be prevented.

In addition, when the reed switch 4, the door ajar detection switch 17, and the key plate detection switch 18 of the door lock circuit are turned on, the timer circuit 21 of the antenna storage circuit is activated, and the transistor 20 is driven for a set time to close the relay coil. I'm going to visit the 22nd. This closes the relay switch 26, drives the antenna drive motor 25 in the downward direction of the antenna, and allows the antenna to be retracted. In this way, by connecting the antenna storage device to the door lock device, you can reliably prevent forgetting to store the antenna, and prevent the antenna from being accidentally broken when you leave the car without storing it. There is no risk of doing so. In particular, as in the past, the normal radio antenna storage device high ignition switch does not operate in the off state, so if you forget to lower it after getting off the vehicle, you will have to operate the ignition switch and antenna switch in the passenger compartment again. There are some unavoidable annoyances. In the case of this embodiment, the door is automatically stored when the door is locked, so there is no need for the troublesome work of the conventional method.

Next, to explain the unlocking operation, first of all, when unlocking from the outside of the vehicle, all you have to do is insert the tip of the middle door into the key cylinder 3 and operate the R key. To unlock from inside the room, open the lock knob fully and press unlock switch 1.
5 is turned on, current from the battery 8 flows through the relay coil 14, and the relay switch 14a' is switched to the battery 8 side.

By doing this, a current flows from the battery 8 to the door locking lens 13 in the opposite direction to the above through the relay switch 14a, and the door body is unlocked by the electromagnetic attraction force in the opposite direction of the door locking lens 13. will be done.

In the above embodiment, a case has been described in which the lenoid 131 is used as a door lock actuator, but a motor can also be used in place of the lenoid 13. If only the reed switch 4 is turned on while the door ajar detection switch 17 or key plate detection switch 18 is off, a buzzer will sound to alert you to the door being incompletely closed or the key plate 7 being left behind. You can also. Furthermore, in the above embodiment, the door ajar detection switch 17 and the key plate detection switch 18 are connected to the reed switch 4, and the antenna storage device is connected to the door lock device, but in the present invention, only the reed switch 4 is connected. However, it is of course possible to operate the door lock device.

As explained above, according to the locking device for an opening/closing body according to the present invention, the locking operation of the opening/closing body locking device can be performed extremely easily from outside the vehicle interior. 1. Since the locking operation is performed by the key plate or the key plate attachment, it is assumed that the key plate is taken outside the vehicle, and the key plate is left inside the vehicle as in the conventional case. It is expected that this will solve all problems such as locking the locking device of the opening and closing body. Furthermore, a conventional key plate can be used.1. 'In words,
Compared to cases where the key plate is equipped with a magnet, the magnetic card does not become unusable even if the key plate and the magnetic card are placed in the same place, and even if the key plate is dropped on the ground, iron sand etc. It does not stick and does not interfere with the operation of the key cylinder.

[Brief explanation of drawings]

Fig. 1 is a front view showing the escutcheon of the outside I/endor according to the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. FIG. 4... Reed switch 5... Magnet 7... Key plate 13... Enrenoid for door lock (lock actuator) - Patent applicant: Nissan Motor Co., Ltd. Representative Patent Attorney Hajime Dobashi

Claims (1)

[Claims] A locking device for an opening/closing body comprising a lock body, a lock actuator that locks and unlocks the lock body, and a lock circuit that operates the lock actuator,
A reed switch for locking the lock actuator is provided in the lock circuit, a magnet is provided near the reed switch, and the magnetic field between the reed switch and the magnet is changed using a key plate or an attachment to the key plate. A locking device for an opening/closing body, characterized in that a reed switch is activated.