JPH0726500B2 - Locking / unlocking device for opening / closing body - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking / unlocking device for an opening / closing body, and more particularly to a locking / unlocking device provided with an electric actuator for locking / unlocking the opening / closing body in an automobile. .

[Conventional technology]

Some automobiles include a plurality of opening / closing bodies such as a trunk lid, a seat back of a rear seat for a trunk through, and a glove box.

For the lock of the trunk lid, for example, JP-A-57
There is one disclosed in Japanese Patent Publication No. 6072. This one can open the trunk lid by operating the electric actuator by operating the switch installed in the driver's seat, but by operating the key cylinder of the trunk lid from the outside of the vehicle with the key plate. , The actuator cannot be driven by the switch in the driver's seat, and the trunk lid cannot be opened by others.

Further, there is a seat back in which the rear seat is a trunk through, for example, as disclosed in Japanese Utility Model Laid-Open No. 59-104838. Normally, this product allows the seat back to be moved forward by operating the knob of the release mechanism, and the luggage can be taken out by communicating the inside of the vehicle and the inside of the trunk, but the cancellation mechanism provided on the trunk room side of the seat back. By operating the key, the seat back is locked, and the forward tilting operation by the knob operation of the release mechanism from the passenger compartment is prevented, so that the luggage in the trunk cannot be taken out from the passenger compartment.

In the glove box, a key cylinder provided on the lid is locked by a key plate to prevent the lid from opening and prevent valuables in the box from being stolen.

[Problems to be Solved by the Invention]

In the conventional device as described above, in order to ensure the storage of the luggage, each opening / closing body has to be operated by a knob or a key plate to perform a locking operation, so that the operation is troublesome. However, there is a problem in that the applying / releasing operation using the key plate is extremely troublesome.

The present invention has been made in view of the above problems of the related art, and an object of the present invention is to enable a plurality of opening / closing bodies to be locked / unlocked with a simple configuration without using a key plate. An object of the present invention is to provide a locking / unlocking operation device for the opening / closing body.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the device of the present invention comprises a first opening / closing body which is provided at an appropriate place of an automobile so as to be opened and closed, and an ON signal output of a release operation means for unlocking the first opening / closing body. Opening and closing with one actuator, a second opening / closing body that is openably and closably provided in a portion other than the first opening / closing body in an automobile, and a second actuator that locks and unlocks the second opening / closing body In the body locking / unlocking device, the second actuator is configured to lock the second opening / closing body at a cancel position and the first opening / closing body by an ON signal output of a cancel operation means provided at a proper position of the automobile. An ON signal output by a reset operation means provided inside moves a movable member to an unlocked position for unlocking the second opening / closing body, and moves the movable member to a cancel position to release the release member. A cancel detection switch that can be switched to a state in which the ON signal output of the operating means is disabled, and when the moving member moves to the unlocked position, the ON signal output of the release operating means can be switched to the valid state. It is characterized by having.

[Action]

When the second actuator is in the unlocked state, the moving member is located in the unlocked position, and the cancel detection switch is switched to a state in which the ON signal output of the release operating means is valid. By turning on, the first
The actuator can be driven to open the first opening / closing body.

When the cancel operation means is turned on in order to ensure the storage of the luggage, the moving member of the second actuator is moved in the cancel direction, the second opening / closing body is locked, and the cancel detection switch moves. The cancel position of the member is detected, the ON operation of the release operation means of the first actuator is invalidated, and the opening of the first opening / closing body is prevented.

〔Example〕

An embodiment in which the present invention is applied to a trunk-through type automobile will be described below with reference to FIGS. 1 to 7.

(1) shows a first opening / closing body, that is, a trunk lid, which is pivotably attached to a rear part of a vehicle body of an automobile by a trunk hinge (not shown). (2) is a trunk lock disposed on the trunk lid (1), and a striker (4) fixed to the vehicle body side is attached to the base plate (3) of the trunk lock.
And a locking plate (6) that can be engaged with and disengaged from, and a locking plate (6) that can be engaged so as to restrain rotation of the latch (5) in the releasing direction when the latch (5) engages the striker (4). ) And is pivotally attached.

Reference numeral (7) is a normally open reset operation means, that is, a reset switch, which is arranged on the base plate (3) and is turned on when the locking plate (6) is operated to the unlock position.

An open lever (8) is pivotally attached to the base plate (4a) of the striker (4), and its tip end operates in the arrow direction in FIG. 2 when the trunk lid (1) is closed. Allows locking plate (6)
Can be interlocked with the releasing direction to release the engagement between the latch (5) and the striker (4).

Reference numeral (9) is a well-known electric actuator for trunk, which is disposed below the striker (4) on the vehicle body side, that is, a first actuator, the output portion (9a) of which is connected via a wire (10). It is linked to the open lever (8). By operating the first actuator (9), the engagement of the trunk lock can be released via the open lever (8) and the trunk lid (1) can be opened.

Reference numeral (11) is a key cylinder provided in the trunk lid (1), and a key lever (11a) fixed to the rotor is released by a key plate so that a key lever (11a) is fixed to the rotor and an operating portion (6a) of the locking plate (6). The locking plate (6) can be rotated in the releasing direction by contacting with.

(12) is a normally-open switch provided on an instrument panel near the driver's seat in the passenger compartment, that is, a release operation means for operating the first actuator (9) by turning it ON in the vehicle. You can open the boot lid (1) from inside the vehicle by outputting an ON signal.

(13) is a normally-open cancel switch, that is, a cancel operation means provided in the vehicle compartment like the release operation means (12), and when the key plate is inserted in the ignition key cylinder (14), ON in the passenger compartment
The seat lock actuator (1), which will be described later, is installed on the second opening / closing body of the trunk-through type rear seat (17), that is, the seat back (15) by operation.
6) That is, the second actuator can be driven in the locking direction so that the trunk lid (1) cannot be subsequently opened by the release operation means (12).

The seat back (15) is pivotally attached to the backrest (17a) of the rear seat (17) so that the seat back (15) can be tilted freely, and by tilting the seat back (15), the passenger compartment and the trunk are communicated with each other through the passage (18). You can

(19) is a seat lock disposed in the seat back (15), and is a striker (2) fixed to the backrest (17a).
0) and a latch (21) that can be freely engaged and disengaged. The latch (21) is constantly urged in the engagement direction by a spring (22), and a string-like operation member (23) extending toward the vehicle interior is connected to the end of the latch (21). .

(24) is a locking / unlocking lever pivotally attached to the base plate (19a) of the seat lock (19) with a shaft (24a), and a block pin (25) is connected to one end thereof, and is shown in FIG. In the locked state, the block pin (2
5) protrudes from the base plate (19a), and the latch (2
It can come into contact with the latch (21) so as to prevent rotation in the releasing direction (counterclockwise in FIG. 5) of 1). Also,
In the unlocked state in which the block pin (25) is retracted from the base plate (19a), the latch (21) can be freely rotated in the releasing direction.

(26) is an operation knob connected to the other end of the locking / unlocking lever (24), and is the locking / unlocking lever (24) from the trunk room side.
It is arranged on the back surface of the seat back (15) so that it can be locked and unlocked.

The above-mentioned second actuator (16) is shown in FIGS.
As shown in the figure, a case (27), a motor (28) fixed to the case (27) and capable of rotating in the forward and reverse directions, and a motor (28).
Screw rod (30) connected to the output shaft (28a) of the motor through a well-known centrifugal clutch (29), and screwed to the screw rod (30) to rotate the motor (28) normally or reversely. The centrifugal clutch (29) is connected, and the moving member (31) is provided which is linearly movable in the left-right direction in the figure by rotating the screw rod 30.

The moving member (31) is connected to the locking / unlocking lever (24) via the rod (32) and is movable to the cancel position shown in FIG. 4 and the unlocking position shown in FIG. The lever (24) can be operated in the locked and unlocked positions.

(33) is a magnet (3) embedded in the moving member (31).
4) A reed switch that turns on and off by the magnetic force of 4), that is, a cancel detection switch.

The cancellation detection switch (33) is ON when the moving member (31) is in the unlocked position, and OFF when it is in the cancellation position.
It is arranged to.

The cancel detection switch (33) is not limited to a reed switch and may be another switch such as a micro switch.

FIG. 7 shows an embodiment of the control circuit.

In the figure, (9b) is a motor of the first actuator (9), and (35) is a key plate inserted in the ignition key cylinder (14).
Shows the normally open ignition detection switch that is turned on.

One terminal of the motor (9b) is connected to the power source through the normally open contact (36a) of the trunk releasing relay (36), and the other terminal is grounded.

One terminal of the motor (28) of the second actuator (16) is connected to the switching contact (37a) of the unlocking relay (37), and the other terminal is switching of the canceling relay (38). Each is connected to a contact (38a).

The relays (36) (37) (38) are connected to switching transistors (39) (40) (41), respectively.

The base of the switching transistor (39) is connected to the output terminal of the AND gate circuit (42).

One input terminal of the AND gate circuit (42) is connected to the contact of the release operation means (12), and the other input terminal is connected to the contact of the cancel detection switch (33).

That is, when the cancel detection switch (33) is OFF, since the ON signal is not input to the input terminal of the AND gate circuit (42), even if the release operation means (12) is turned ON, the AND gate circuit (42) is turned ON. ) Cannot be obtained and the switching transistor (39) cannot be turned on to drive the motor (9b).

Further, when the cancel detection switch (33) is ON, an ON signal is input to the input terminal of the AND gate circuit (42). Therefore, the release operation means (12) is turned ON, and the AND gate circuit (42) is turned ON. ), The ON signal is output by the logical product of the AND gate circuit (42), the switching transistor (39) is made conductive, the relay (36) is excited, and the contact (36a) is closed. To achieve.

As a result, the motor (9
The b) is activated, the engagement of the trunk lock (2) is released, and the trunk lid (1) can be opened from the inside of the vehicle.

The base terminal of the switching transistor (41) is connected to the output terminal of the AND gate circuit (43). One input terminal of the AND gate circuit (43) is connected to the cancel operation means (13), and the other input terminal is connected to the contact of the ignition detection switch (35).

That is, when the key plate is inserted into the ignition key cylinder (14) and the ignition detection switch (35) is turned on, the cancel operation means (13) is turned on.
By making contact, the ON signal is input to both input terminals of the AND gate circuit (43). Therefore, the logical product is obtained, an ON signal is output from the output terminal of the AND gate circuit (43), the switching transistor (41) is made conductive, and the contact (38a) is switched to the power supply side.

As a result, the motor (2
8) rotates in the cancel direction to move the moving member (31) to the cancel position and the locking / unlocking lever (24) of the seat lock (19) to the locking position, and
Turn off the cancel detection switch (33).

The base terminal of the switching transistor (40) is connected to the contact of the reset switch (7), and the reset operation is performed by releasing the key cylinder (11).
By turning on the switching transistor (4
0) conducts to excite the unlocking relay (37) and switches the switching contact (37a) to the power supply side.

As a result, the motor (2
8) reversely moves the moving member (31) and the locking / unlocking lever (2
Move 4) to the unlock position and turn the cancel detection switch (33) ON.

Next, the operation of the embodiment of the lock / unlock operation device for the opening / closing body configured as described above will be described.

In the unlocked state in which the cancel operation means (13) is not operated, the second actuator (16) and the locking / unlocking lever (24) of the seat lock (19) are in the unlocking position, and the cancel detection switch ( 33) is ON.

Therefore, by turning on the release operation means (13) in the vehicle, the first actuator (9) can be operated to open the trunk lid from the vehicle.

In this state, the seat lock (1
By pulling the operating member (23) connected to the latch (21) of 9), the engagement between the latch (21) and the striker (20) can be released, and the seat back (15) can be tilted forward. . As a result, the inside of the vehicle can be communicated with the inside of the trunk, and the luggage in the trunk can be taken out from the inside of the vehicle.

If you lend the car to another person, or if you are parked or parked in the car, set the ignition key cylinder (1
With the key plate inserted in 4), turn on the cancel operation means (13) to turn on the second actuator (16).
Is rotated in the canceling direction to move the moving member (31) and the locking / unlocking lever (24) of the seat lock (19) to the locking position.

As a result, the cancel detection switch (33) is turned off, the ON operation of the release operation means (13) is invalidated, and the driving of the first actuator (9) is disabled.

Further, since the rotation of the seat lock (19) in the releasing direction of the latch (21) is restricted by the block pin (25), the seat lock (19) cannot be released even if the operating member (23) is pulled, and the seat back (19) cannot be released. (15) cannot be tilted forward.

Therefore, the trunk lid (1) and the seat back (15) are not opened by others, and the storage of luggage in the trunk is surely guaranteed.

Moreover, since the cancel operation can be easily performed in the vehicle, the operability is good, and the negligence of the cancel operation can be prevented in advance.

To cancel this canceled state, use the master key
It is achieved by releasing the key cylinder (11) of the trunk lid (1).

That is, interlocking with the release operation of the key cylinder (11),
When the locking plate (6) of the trunk lock (2) moves in the releasing direction, the reset switch (7)
Turns on. As a result, the motor (28) of the second actuator (16) rotates in the reverse direction, the moving member (31) and the locking / unlocking lever (24) of the seat lock (19) move to the unlocking position, and the cancel detection switch (33). ) Turns on.

After that, the unlocking operation means (12) operates the trunk lock (2), and the operating member (23) operates the seat lock (1).
9) can be released respectively, and the trunk lid (1) and seat back (15) can be opened freely.

[Other Examples]

In the above-mentioned embodiment, the second opening / closing body is applied to the seat back of the rear seat when applied to the trunk-through type automobile, but in the case of not the trunk-through type automobile, for example, as shown in FIG. It may be a glove box (44) provided near the driver's seat, or may be applied to other various boxes.

In another embodiment, the second actuator (1
6) is fixed to the inside of the instrument, and the tip of the moving member (31) is attached to the lid of the glove box (44), that is, the hole (46) provided at the proper position of the second opening / closing body (45). When the canceling operation means (13) is operated so that it can be engaged and disengaged, the moving member (31) moves to the canceling position, and its tip engages with the hole (46), as in the above-mentioned embodiment.
It is configured to prevent the second opening / closing body (45) from opening.

Further, in the above embodiment, the reset switch (7)
ON was linked to the release of the trunk lock (2), but instead of this, a reset switch (7) was installed in a suitable place in the trunk room, and manually when necessary.
The second actuator (16) may be switched to the unlocked state by performing an ON operation.

〔The invention's effect〕

As described above, according to the present invention, in the second actuator, the cancel member operates the cancel member to lock the second opening / closing body, and the cancel detection switch disables the operation of the first actuator. Since one opening / closing body is prevented from opening, it is possible to control locking / unlocking of a plurality of opening / closing bodies without using a key plate, although it has a simple structure.

[Brief description of drawings]

FIG. 1 is a perspective view of an automobile having an embodiment of the present invention, FIG. 2 is a perspective view of a trunk lock, and FIG. 3 is a perspective view of a rear seat provided with a trunk-through type seat back. 4 is a front view of the inside of a seat back showing a seat lock, FIG. 5 is a sectional view taken along line VV of FIG. 4, FIG. 6 is an internal structure diagram of a second actuator, and FIG. Control circuit diagram, FIG. 8 is a perspective view showing a glove box. (1) Trunk lid (first opening / closing body) (2) Trunk lock (first lock) (7) Reset switch (reset operation means), (9)
First actuator (12) Release operation means, (13) Cancel operation means (15) Seat back (second opening / closing body), (16) Second actuator (19) Seat lock (second lock), ( 28) Motor (31) Moving member, (33) Cancel detection switch (35) Ignition detection switch, (42) (43) AND gate circuit

Claims (1)

[Claims] 1. A first device which is provided at an appropriate place of an automobile so as to be freely opened and closed.
By the ON / OFF body of the and the ON signal output of the release operation means, the first
A first actuator that can unlock the opening / closing body of the vehicle, a second opening / closing body that is openably / closably provided in a part of the automobile other than the first opening / closing body, and a lock of the second opening / closing body. In a locking / unlocking device for an opening / closing body including a second actuator for locking / unlocking, the second actuator is a canceling device for locking / unlocking the second opening / closing body by an ON signal output of a cancel operation means provided at an appropriate position of the automobile. A movable member movable to a position and an unlocked position for unlocking the second opening / closing body by an ON signal output by a reset operation means provided inside the first opening / closing body, and the moving member cancels. A state in which the ON signal output of the release operating means is invalidated by moving to the position, and a state in which the ON signal output of the release operating means is valid by moving the moving member to the unlocked position. Lock unlocking operating device closing body, characterized in that it comprises a cancellation detection switch which is so switched.