JPH06288132A - Integrated door lock device for vehicle - Google Patents

Abstract

PURPOSE:To resolve the complexity at the time of alighting and boarding in a vehicle having a back door and secure the smooth boarding of occupants. CONSTITUTION:The input port of the first actuator control circuit 2 is connected with a front passenger seat door lock actuator 6 locking/unlocking a front passenger seat door 5, a rear right door lock actuator 8 locking/unlocking a rear right door 7, a rear left door lock actuator 10 locking/unlocking a rear left door 9, and a back door lock actuator 12 locking/unlocking a back door 11. The input port of the second actuator control circuit 3 is connected with a back door key cylinder interlocked switch 13, and the output port is connected with a driver's seat door lock actuator 16 locking/unlocking a driver's seat door 15. A lock state detecting switch 17 is turned on synchronously with the locking action of the driver's seat door lock actuator 16, and it is turned off synchronously with the unlocking action.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centralized door lock device for a vehicle having a back door such as a van type vehicle or a wagon type vehicle.

[0002]

2. Description of the Related Art As a conventional vehicle centralized door lock device, the one shown in FIG.
35869 gazette). That is, a lock switch 32 that interlocks with the inside lock knob 31 is arranged on the driver's seat door 30, and the lock switch 32 includes:
A lock contact 32L and an unlock contact 32U are provided. The contacts 32L and 32U are connected to the grounded first to third door lock actuators 33 to 35, respectively.
To 35 are arranged on doors other than the passenger seat door 30.

In such a structure, when the inside lock knob 31 is pushed in, the driver's seat door 30 is locked, and the lock switch 32 is brought into contact with the lock contact 32L in conjunction with this. Then, the first to third door lock actuators 33 to 35 are all operated in the lock direction, and not only the driver's seat door but also other doors are locked.

When the inside lock knob 31 is pulled up, the driver's door 30 is unlocked and
In conjunction with this, the lock switch 32 comes into contact with the unlocking contact 32U. Then, the first to third door lock actuators 33 to 35 all operate in the unlock direction,
Not only the driver's seat door 30 but also the other doors are unlocked, so that the other doors can be locked and unlocked in conjunction with the locking and unlocking of the driver seat door.

[0005]

However, such a conventional vehicle centralized door lock device has a structure in which locking and unlocking of other doors are interlocked only with unlocking and locking of the driver's door. is there. For this reason, if this centralized door lock device is used in a vehicle having a back door such as a van type vehicle or a wagon type vehicle, the following inconvenience occurs when getting off and getting on the vehicle.

(1) At the time of dismounting After unlocking the driver's seat door and dismounting, the back door is opened to unload the in-car luggage, and when leaving the vehicle, the driver's seat door is locked and all doors are closed. In order to lock it, you have to return to the driver's door again and you cannot leave the vehicle quickly. Therefore, by locking the driver's seat door when getting off the car in advance and locking all the doors in conjunction with this, it is possible to eliminate the need to return to the driver's seat door again, and open the back door to carry the luggage onboard. When unloading, the back door must be unlocked by key operation, the luggage must be unloaded, and the back door must be locked again by key operation.
Therefore, you have to operate the back door twice,
Although it is not necessary to return to the driver's seat, key operations on the back door become complicated.

(2) When boarding When the back door is opened and luggage is loaded prior to boarding, even if the back door is unlocked by key operation, the other doors remain locked. Therefore, the passenger cannot wait for the passenger to board the vehicle until the passenger door is unlocked and the passenger door is unlocked, which hinders the passenger's rapid boarding. In addition, even if there is no passenger, it is necessary to unlock the driver's door by key operation again when boarding, after unlocking the back door by key operation and ending loading of luggage, Two unlocking operations are required.

The present invention has been made in view of the above-mentioned conventional problems, and eliminates the complexity of a vehicle having a back door at the time of getting on and off the vehicle, and ensures a smooth riding of a passenger. An object of the present invention is to provide a vehicle centralized door lock device.

[0009]

In order to solve the above-mentioned problems, the present invention provides a vehicle centralized door lock device having a driver's seat door, a passenger's seat door, and a back door. And a first centralized locking / unlocking means for locking and unlocking all the other doors in response to the unlocking, and all other doors for locking and unlocking in response to the locking and unlocking of the back door. And a second central locking / unlocking means for locking.

[0010]

In the above structure, when the driver's seat door is unlocked when getting off the vehicle, in response to this, the first central locking / unlocking means is activated, and the other doors including the back door are unlocked. Therefore, it is not necessary to unlock the back door when opening the back door and unloading the luggage mounted on the vehicle. When the back door is locked when leaving the vehicle after unloading the luggage, in response to this, the second central locking / unlocking means operates,
All other doors are locked, including the driver's door.

Further, when the back door is unlocked in order to load luggage prior to getting on the vehicle, the second central locking / unlocking means is activated, and all the other doors including the passenger seat door are unlocked. It is possible for passengers to board. Further, when the driver gets on the vehicle after opening the back door to finish loading the luggage, the driver's seat door is unlocked by the second central locking / unlocking means at the time of unlocking the back door. Because
The driver does not need to unlock the driver's door when getting on.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. That is, as shown in FIG. 1, the first actuator control circuit 2 and the second actuator control circuit 3, which are similarly body-grounded, are connected to the battery 1 whose negative electrode is body-grounded. An indoor centralized door lock switch 4 is connected to an input port of the first actuator control circuit 2, and the indoor centralized door lock switch 4 has a lock contact 4L and an unlock contact 4U. Further, at the output port of the first actuator control circuit 2, a passenger door lock actuator 6 for locking and unlocking the passenger door 5, a rear right door lock actuator 8 for locking and unlocking the rear right door 7, and a rear left door 9 are unlocked. A rear left door lock actuator 10 for locking and a back door lock actuator 12 for locking and unlocking the back door 11 are connected.

On the other hand, the second actuator control circuit 3
The back door key cylinder interlocking switch 13 is connected to the input port of the, and the back door key cylinder interlocking switch 13 is provided with a lock contact 13L and an unlock contact 13U. The back door key cylinder interlocking switch 13 is arranged on the back door 11 provided at the rear portion of the vehicle body 18 as shown in FIG. 2, and by inserting a key into the key cylinder and operating it, the lock contact point is locked. 13L or unlocking contact 1
It is a switch that contacts 3U.

On the other hand, a driver door lock actuator 16 for locking and unlocking the driver door 15 is connected to the output port of the second actuator control circuit 3. And
When the back door key cylinder interlock switch 13 comes into contact with the lock contact 13L, the second actuator control circuit 3 supplies the current from the battery 1 in the locking direction in response to this, and the back door key cylinder interlock switch 1
When 3 contacts the unlocking contact 13U, the circuit is configured to supply the current from the battery 1 in the unlocking direction in response to the contact. Further, the driver's seat door lock actuator 16 operates to lock when current is supplied in the locking direction and unlocks when current is supplied to the unlocking direction.

Further, the driver's seat door 15 is provided with a lock state detection switch 17. The lock state detection switch 17 is a switch that is turned on in synchronization with the locking operation of the driver's seat door lock actuator 16 and turned off in synchronization with the unlocking operation.
It is input to the actuator control circuit 2.

Then, the first actuator control circuit 2 responds to this when the indoor centralized door lock switch 4 comes into contact with the lock contact 4L and when the lock state detection switch 17 is turned on. The current from the door is supplied in the lock direction, and the indoor central door lock switch 4
Is contacted with the unlock contact 4U and the lock state detection switch 17 is turned off. In response to this, the circuit is configured to supply the current from the battery 1 in the unlock direction. Each of the door lock actuators 6, 8, 10, and 12 is operated to lock when current is supplied in the locking direction and unlocked when current is supplied to the unlocking direction.

Next, the operation of this embodiment having the above configuration will be described based on each of the cases (1) to (3) shown in the time chart of FIG. When locked with the back door When the key is inserted into the key cylinder provided in the back door 11 to perform the locking operation, the back door key cylinder interlocking switch 13 comes into contact with the lock contact 13L. Then, the second actuator control circuit 3 supplies a current in the lock direction in response to this. Therefore, the driver's door lock actuator 16 is locked, the driver's door 15 is locked, and in synchronization with this, the lock state detection switch 17 is turned on, and the first actuator control circuit 2 moves in the lock direction for a predetermined time. Supply current. Therefore, the door lock actuators 6, 8, 10, 12 for the passenger seat, rear right, left and back doors are locked, and the passenger seat, rear right, left and back doors 5, 7, 9, 11 are locked. It

That is, when the key is inserted into the key cylinder provided in the back door 11 to perform the locking operation,
All of the driver door 15, passenger seat door 5, rear right door 7, rear left door 9 and back door 11 are locked. Therefore, when leaving the vehicle after opening the back door 11 after dismounting and unloading the luggage, it is sufficient to perform the lock operation on the back door 11 without returning to the driver's seat door 15.
Therefore, it is possible to quickly leave the vehicle.

Further, if the back door 11 is locked, all the doors are locked. Therefore, the driver's seat door 15 is locked when getting off the vehicle, whereby all the doors are locked in advance as described later. There is no need to keep it. Therefore, the back door 1 can be operated by a key operation when unloading the vehicle-mounted luggage.
It is not necessary to unlock 1 and it is only necessary to perform the locking operation after the luggage is unloaded. Therefore, the key operation on the back door 11 can be simplified while eliminating the need to return to the driver's seat door.

When the back door is unlocked When the key is inserted into the key cylinder provided in the back door 11 to perform the unlocking operation, the back door key cylinder interlocking switch 13 comes into contact with the unlocking contact 13U.
Then, the second actuator control circuit 3 supplies a current in the unlock direction in response to this. Therefore, the driver door lock actuator 16 is unlocked, the driver door 15 is unlocked, and in synchronization with this, the lock state detection switch 17 is turned off, and the first actuator control circuit 2 is unlocked. Is supplied with current for a predetermined time. Therefore, the door lock actuators 6, 8, 10, 12 for the passenger seat, rear right, left, and back doors are unlocked, and the passenger seat, rear right, left, and back doors 5,
7, 9, 11 are unlocked.

That is, when the key is inserted into the key cylinder provided in the back door 11 to perform the unlocking operation,
All the doors of the driver's seat door 15, the passenger seat door 5, the rear right door 7, the rear left door 9 and the back door 11 are unlocked. Therefore, when the back door 11 is opened and the luggage is loaded prior to the passenger, if the back door 11 is unlocked by a key operation, the passenger can pass through the front passenger door 5 and the rear left and right doors 9,7.
The passenger can board the vehicle without opening the car, and without waiting outside until the passenger finishes loading the luggage. Further, even when there is no passenger, the driver's door 15 is unlocked when the back door 11 is unlocked by the key operation. When doing so, it is not necessary to unlock the driver's seat door 15 again by key operation, and a smooth boarding is possible.

When the driver's seat is locked with the driver's key When the driver inserts the key into the key cylinder provided in the passenger seat door 15 to perform the locking operation, the passenger seat door lock actuator 16 is locked, The driver's door 15 is locked, and in synchronization with this, the lock state detection switch 17 is turned on, and the first actuator control circuit 2 supplies a current in the lock direction for a predetermined time. Therefore, the door lock actuators 6, 8, 10, 12 for the passenger seat, rear right, left, and back doors are locked, and the passenger seat, rear right, left, and back doors 5, 7, 9, 11 are also locked. It

When the driver's seat is unlocked by the driver's key When the driver enters the key and inserts the key into the cylinder provided in the passenger's seat door 15 to perform the unlocking operation, the passenger's seat door lock actuator 16 is unlocked. Then, the driver's door 15 is unlocked, and in synchronization with this, the lock state detection switch 17 is turned off, and the first actuator control circuit 2 supplies a current in the unlock direction for a predetermined time. Therefore, the door lock actuators 6, 8, 10, 12 for the passenger seat, rear right, left, and back doors are unlocked, and the passenger seat, rear right, left, and back doors 5,
7, 9 and 11 are also unlocked.

When Locked with Indoor Switch After the driver or passenger gets on the vehicle, the indoor centralized door lock switch 4 provided in the vehicle compartment is operated to lock the contact 4
When brought into contact with L, the first actuator control circuit 2 supplies a current in the lock direction for a predetermined time. Therefore, the passenger seat,
The door lock actuators 6, 8, 10, 12 for the rear right, left, and back doors are locked, and the passenger seat, rear right,
The left and back doors 5, 7, 9, 11 are locked. Therefore, when the indoor centralized door lock switch 4 is operated in the locking direction, the passenger seat door 15 is not locked,
Only the other doors 5, 7, 9, 11 are locked.

When unlocked by the indoor switch The indoor centralized door lock switch 4 provided in the vehicle interior
Is operated to bring it into contact with the unlocking contact 4U, the first actuator control circuit 2 supplies a current in the unlocking direction for a predetermined time. Therefore, door unlock actuators 6, 8, 1 for the passenger seat, rear right, left, and back door
0, 12 are unlocked, and passenger seats, rear right, left, and back doors 5, 7, 9, 11 are unlocked.

[0026]

As described above, the present invention not only locks and unlocks all other doors in response to locking and unlocking of the driver's door, but also locks and unlocks the back door. In response, all other doors were locked and unlocked.
Therefore, when leaving the vehicle after opening the back door after dismounting and unloading the luggage, it is sufficient to perform the lock operation at the back door without returning to the driver's seat door, and the vehicle can be quickly disengaged.

Further, since all the doors are locked if the back door is locked, it is not necessary to lock the driver's seat door and all the doors in advance when getting off the vehicle.
Therefore, it is not necessary to unlock the back door by a key operation when unloading the in-vehicle luggage, and it is only necessary to perform the locking operation after unloading the luggage. Therefore, it is possible to simplify the key operation at the back door while eliminating the need to return to the driver's seat door.

Further, when the back door is opened and the luggage is loaded prior to getting on the vehicle, if the back door is unlocked, all the other doors are unlocked, so that the driver finishes loading the luggage. Even in the front, the passenger can open the other door and get on first, and the passenger can get on without waiting outside the end of loading the luggage. Furthermore, even when there is no passenger, the driver's door is also unlocked when the back door is unlocked, so after the loading of luggage is finished, the driver must re-key There is no need to unlock the driver's seat door by operation, and a smooth boarding is possible.

[Brief description of drawings]

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

FIG. 2 is a schematic view showing an arrangement structure of the same example.

FIG. 3 is a time chart of the same embodiment.

FIG. 4 is a circuit diagram showing a conventional vehicle concentrated door lock device.

[Explanation of symbols] 2 First actuator control circuit 3 2nd actuator control circuit 5 Passenger door 6 Passenger door lock actuator 7 Rear right door 8 Rear right door lock actuator 9 Rear left door 10 Rear left door lock actuator 11 Back door 12 Back Door Lock Actuator 13 Back Door Key Cylinder Interlock Switch 15 Passenger Seat Door 16 Passenger Seat Door Lock Actuator 17 Lock State Detection Switch

Claims (1)

[Claims] 1. A centralized door lock device for a vehicle having a driver's seat door, a passenger's seat door, and a back door, and in response to locking and unlocking of the driver's seat door, all other doors are locked and unlocked. And a second central locking / unlocking means for locking and unlocking all other doors in response to locking and unlocking of the back door. Centralized door lock device for vehicles.