JPH06129149A - Operating device for door lock for automobile - Google Patents

Abstract

PURPOSE:To improve safety by bringing a door into a state that it is impossible to open the door during running of a vehicle and to improve operability of opening of a door during the stop of a vehicle. CONSTITUTION:When, in a case of a locking unlocking control means 18 being brought into an unlocking state, the running state of a vehicle is detected by a car speed sensor 10, operation of door opening operation means 3 and 6 is rendered ineffective in a state that the locking unlocking control means 18 is held in a locking state, and opening of a door A is made impossible to make. Further, when an automobile is stopped and it is detected by the car speed sensor 10 that the automobile is in a stop state, operation of the door opening operation means 3 and 6 is rendered effective in a state that the locking unlocking control means 18 is in an unlocking state, and the door A can be opened.

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 operating device having locking / unlocking control means for enabling or disabling the operation of a door opening operation means.

[0002]

2. Description of the Related Art A conventional door lock operating device connects a door lock which can be engaged with and disengaged from a striker, a door handle for opening and closing the door lock, and a locking and unlocking knob for controlling the door opening and closing operation by a rod. At the same time, an electric actuator that can be locked or unlocked by locking or unlocking the operation switch is connected to the door lock locking / unlocking mechanism to switch the door lock between locked and unlocked states. ing. In addition, in order to improve safety while the vehicle is running, when the speed sensor that detects the running state of the vehicle detects the running of the vehicle, the actuator automatically operates, locking the door lock and opening the door due to erroneous operation. We are trying to prevent door operation.

[0003]

However, in the conventional door lock operating device as described above, when the door lock is in the unlocked state, the actuator is activated each time the speed sensor detects traveling of the vehicle. When the vehicle is stopped after the vehicle has run, the door lock remains in the locked state, so that the door lock remains unlocked when the vehicle is stopped. However, there is a problem in that the locking and unlocking knob has to be unlocked each time, and the operation is troublesome. In view of the above-mentioned problems of the prior art, the present invention improves the safety while the vehicle is traveling and also improves the operability of opening the door while the vehicle is stopped. The purpose is to provide a device.

[0004]

In order to achieve the above object, the apparatus of the present invention comprises a door lock having a meshing mechanism that can be engaged with and disengaged from a striker, drive means for disengaging the meshing mechanism of the door lock, and drive means. A door opening operation means for operating the means, a locking and unlocking operation means capable of locking or unlocking operation, and a locking memory for storing the locking operation of the locking and unlocking operation means and invalidating the operation of the door opening operation means Locking / unlocking control means that can be stored in a state and an unlocking storage state that stores the unlocking operation of the locking / unlocking operation means, enables the operation of the door opening operation means, and enables the release operation of the driving means. In a vehicle door lock operating device having a door unlocking control means that stores a unlocked state, a vehicle speed sensor that detects a running state of the vehicle detects the vehicle running, and a door opening operation means is provided. Disable the operation of And the vehicle speed sensor detects a stop of the vehicle, is characterized by comprising a control circuit to enable operation of the door-open operating means.

[0005]

If the locking / unlocking control means is in the unlocked state by the unlocking operation of the locking / unlocking operation means, the driving means is operated by the operation of the door opening operation means to release the meshing of the door lock and to open the door. Can be opened. When the locking / unlocking control means is in the locked state by the operation of the locking / unlocking operation means, the operation of the door opening operation means is invalidated and the door cannot be opened. When the lock / unlock control means is in the unlocked state and the vehicle speed sensor detects the running state of the vehicle, the operation of the door opening / closing means is disabled while the lock / unlock control means is held in the unlocked state. And disable the opening of the door. Further, when the vehicle stops and the vehicle speed sensor detects the stopped state of the vehicle, the operation of the door opening operation means becomes effective and the door can be opened while the locking / unlocking control means remains in the unlocked state.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. (A) is a door whose front end is pivotably attached to a vehicle body by a door hinge (not shown), and (1) is,
The door lock is fixed to the rear end of the door (A). Inside the box-shaped body (1a), a striker (not shown) fixed to the vehicle body, a latch that can be engaged and disengaged, and a latch that disengages. A meshing mechanism composed of possible locking plates is housed. The unlocking end portion (1b) of the locking plate forming a part of the meshing mechanism has a slit formed in the body body (1a).
It is slidably inserted into (1c) and protrudes so as to come into contact with a release lever (2a) of an actuator (2) which is integrally fixed to the body body (1a) and which constitutes a driving means. The actuator (2) is configured to house a motor and a speed reduction mechanism, and decelerates the rotation of the motor to move the release lever (2a) in the direction of the arrow in FIG. 6 to move the locking plate in the release direction. The door can be opened by disengaging the latch and the striker.

Reference numeral (3) shown in FIGS. 3 and 4 is an outside handle which is a door opening operation means provided on the outer panel (A1) of the door (A). A detection lever for an outside switch (door opening switch) (5) that is pivotally mounted so as to be movable, and detects at the end (3a) that the outside handle (3) is rotated in the direction of the arrow. It is linked to (5a). (6) is the door (A)
Is an inside handle which is a door opening operation means arranged on a panel (A2) inside the vehicle. The inside handle is pivotally attached to the panel (A2) so as to be rotatable by a predetermined amount.
The inside switch shown in FIG. 1 that detects the operation of (6).
(Opening switch) It is connected to (7).

(8) is a locking / unlocking switch (locking / unlocking operation means) provided on the inner side of the door (A), which can be locked and unlocked by touch operation. When the lock switch (8a) of the operation switch (8) is turned on, the lock signal is input to the input port (14a) of the main control unit (CPU) (14), and the unlock switch (8b) is operated by the unlock operation. When is turned on, the unlock signal is sent to the main control unit (14).
A diode that emits an identification color according to the operation is incorporated, as well as being input to the input port (14b).

The main control section (14) is a lock / unlock operation switch.
When the lock switch (8a) of (8) is turned on, the operation is memorized and the locked state is memorized.
When the unlock switch (8b) is turned on, it has a locking / unlocking memory circuit (locking / unlocking control means) (18) which resets the locked state and stores the unlocked state.

[0010] (9) shown in FIG. 1 is a door switch that detects the open / closed state of the door and is turned on when the open state of the door is detected, and (10) detects the running state of the vehicle and detects the running state. A vehicle speed sensor that turns on when it is turned on, (11) is a G sensor that detects the inertial force acting on the vehicle due to a collision, etc. (12)
Is an ignition switch that detects the insertion state of the key plate into the key cylinder for starting the engine. Each terminal has an input port for the main control unit (14) (CPU) of the control circuit (B) installed in each door. Is connected so that the signal corresponding to each state is input. (13) is a motor of the actuator (2) connected to the load control section (17) composed of a relay or the like, and a high level signal is output from the output ports (14c) and (14d) of the main control section (14). By the output, the load controller (17) is turned on and the power supply (1
5) Power is supplied from and it rotates and the actuator
Rotate the release lever (2a) of (2) in the direction of the arrow. (16)
Is a voltage conversion unit for supplying a power supply of a predetermined voltage to the main control unit (14).

When the locking / unlocking memory circuit (18) of the main controller (14) stores the unlocked state, the outside handle
When the outside switch (5) or inside switch (7) is turned on by operating (3) or the inside handle (6), the output ports (14c) (14d) of the main control unit (14).
Outputs a high level output signal from the load controller (17)
By turning on the switch, the motor (13) of the actuator (2) can be supplied with power, and the motor (13) is rotated to operate the locking plate of the door lock (2) in the releasing direction, A) It is possible to control the door opening operation, and
When you remember the locked state, the outside handle
Even if (3) or the inside handle (6) is operated and the outside switch (5) or the inside switch (7) is turned on, the power supply to the motor (13) of the actuator (2) is disabled, Controls the opening operation of the door (A) to be invalid. The door switch (9) detects the open / closed state of the door (A), notifies the open / closed state, and detects the open state,
When an ON signal is input to the input port (14e) of the main controller (14), the power supply to the actuator (2) is stopped. That is, the actuator (2) is operated by opening the door.
Is driven and the door (A) is opened, the actuator (2)
The power supply to the lock lever is stopped, the release lever (2a) is returned to the neutral position, the locking plate is returned to the position where the latch can be engaged, and the next door closing operation is waited.

The G sensor (11) is turned on when a large impact is applied to the vehicle due to a collision or the like, and the lock / unlock memory circuit (18) of the main control unit (14) which stores the locked state is forced. When the door is unlocked, the outside handle (3) or the inside handle (6) is operated so that the door can be opened immediately.

When the vehicle speed sensor (10) detects the running state of the vehicle and turns on, the input port (14) of the main controller (14)
The travel signal is input to f), and regardless of the state of the locking / unlocking memory circuit (18), the ON operation of the outside switch (5) and the inside switch (7) is always disabled to open the door (A). It is controlled by the main control unit (14) so that it cannot be operated. That is, when the lock / unlock memory circuit (18) stores the unlocked state, the outside handle (3) and the inside handle (6) can be operated and the door can be operated when the vehicle is stopped.
Although (A) can be opened, when the vehicle runs, the outside handle (3) and the inside handle (6) are disabled so that the door opening operation is disabled.

Next, the operation of the above embodiment will be described with reference to the flow chart shown in FIG. If the unlocking switch (8b) of the locking / unlocking operation switch (8) is unlocked in step S1, the locking / unlocking memory circuit (18)
Remembers the unlocked state (step S2). After that, if the vehicle is in the unlocked state without being locked (step S3) and the vehicle speed sensor (10) detects the stopped state of the vehicle (step S4), the outside handle (3)
Alternatively, by operating the inside handle (6) (step S5) and turning on the outside switch (5) or inside switch (7), the motor (13) of the actuator (2) is unlocked (step S6). Then, the unlocking lever (2a) moves the locking plate of the door lock (1) in the releasing direction, the engagement mechanism of the door lock (1) is released, and the door is opened (step S7). When the door (A) opens and the door switch (9) turns on, the actuator
The holding circuit that holds (2) in the ON state for a set time is reset, and the release lever (2a) and the locking lever return to the initial neutral position.

In step S1, if the locking / unlocking memory circuit (18) stores the locked state in the locked state (step S8),
Outside handle (3) or inside handle
Even if the outside switch (5) or the inside switch (7) is turned on by operating (6), the operation is invalidated (step S9) and the motor (13) of the actuator (2) is turned off.
Can't open the door without rotating.

In step S4, when the vehicle speed sensor (10) detects the running state of the vehicle, the vehicle speed sensor (10) detects the running state while keeping the locking / unlocking memory circuit (18) in the unlocked state. , The outside handle (3) and the inside handle (6) are disabled to disable the opening of the door (A). However, when the car is stopped, the speed sensor (1
When (0) detects the stopped state, the locking / unlocking memory circuit (18) stores the unlocked state, so that the outside handle (3) and the inside handle (6) can be operated while the vehicle is stopped. You can open the door (A).

[0017]

As described above, according to the present invention, when the vehicle speed sensor detects vehicle traveling, the operation of the door opening / closing means is invalid even if the locking / unlocking control means is in the unlocked state. In addition, since the operation of the door opening operation means is enabled by the vehicle speed sensor detecting the stop of the vehicle, safety can be maintained while the vehicle is running, and quick door opening can be performed while the vehicle is stopped. It will be possible and convenient. Also, unlike the conventional case, when the vehicle speed sensor detects the running of the vehicle, it is not necessary to activate the actuator and switch the locking / unlocking mechanism of the door lock to the locked state each time. There is no.

[Brief description of drawings]

FIG. 1 is a control circuit diagram showing an embodiment of the present invention.

FIG. 2 is a flow chart showing a main operating state of the same.

FIG. 3 is a schematic side view of the door including the above embodiment as seen from the outside of the vehicle.

4 is a cross-sectional view taken along the line CC of FIG.

FIG. 5 is a schematic side view of the door including the above embodiment as viewed from the inside of the vehicle.

FIG. 6 is a schematic view of a door lock using the above embodiment.

[Explanation of symbols]

 (1) Door lock (2) Actuator (driving means) (3) Outside handle (door opening operation means) (5) Outside switch (door opening switch) (6) Inside handle (door opening operation means) ( 7) Inside switch (door open / close switch) (8) Lock / unlock operation switch (lock / unlock operation means) (10) Vehicle speed sensor (13) Motor (14) Main control unit (18) Lock / unlock memory circuit (lock / unlock control means) (A) Door (B) Control circuit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Koichi Shigematsu 1-14-7 Maruyama, Isogo-ku, Yokohama-shi Oi Manufacturing Co., Ltd.

Claims (1)

[Claims] 1. A door lock having an engagement mechanism that can be engaged with and disengaged from a striker, drive means for releasing the engagement mechanism of the door lock, door opening operation means for operating the drive means, and locking or unlocking operation. Possible locking and unlocking operation means,
Memorize the locking operation of the locking / unlocking operation means, disable the operation of the door opening / closing operation means, and store the unlocking operation of the locking / unlocking operation means, and enable the operation of the door opening / closing operation means. In the operating device of the vehicle door lock, which is provided with an unlocking storage state enabling the release operation of the drive means and a locking / unlocking control means memorizable in the unlocking state, the unlocking control means stores the unlocked state. When the vehicle speed sensor that detects the running state of the vehicle detects that the vehicle is running, the operation of the door opening operation means is disabled, and when the vehicle speed sensor detects that the vehicle is stopped, the operation of the door opening operation means is stopped. A door lock operating device for an automobile, comprising an enabling control circuit.