JPH0387481A - Door lock device - Google Patents

Abstract

PURPOSE:To increase a crime preventing property by making a second locking and releasing means into a lock state together with a first locking and releasing means when a first door lock member is in a release position and into a release state when the lock member is in a release keeping position. CONSTITUTION:When the key cylinder 27 of a driver's side door 2 is key- operated, a locking and releasing member 18 in a lock position is rotated, and a door releasing member 16 is operated by the operation of an outside handle 25, whereby the release is conducted. Then, when the door lock member 30 of the door 2 is moved from the first position of lock position to the second position of release position, the motors of the doors except on the driver's side are not operated, and their locking and releasing members keep the lock position. When the lock member 30 is brought into the third position of release keeping position by pulling up a nob part 31, the motors of the doors except on the driver's side are operated, and their lock members are moved to a release position. The locking and releasing member 18 is rotated to the release position, and the releasing member 16 is operated to form an opened state.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention provides a state in which a plurality of doors in a vehicle are provided and which can be opened by operating an outside handle provided in each door, and an outside handle. The present invention relates to a door lock device that selectively maintains a closed state regardless of the operation of the door.

(Prior Art) A door lock device installed on a plurality of doors equipped on a vehicle generally locks the door from a closed state to an open state in conjunction with the operation of an outside handle or an inside handle arranged on each door. A door release mechanism is connected to a door key mechanism and a door lock knob provided on the door, and the door is maintained in a closed state by operating the door key mechanism or the door lock knob, regardless of whether the door release mechanism is activated. The door is configured to include a locking/unlocking mechanism that selectively takes a locked state and an unlocked state that causes the door to take an open state in accordance with the operation of a door release mechanism.

In addition, in order to reduce the trouble of manually operating the door lock knob connected to the locking/unlocking mechanism provided on each door each time when opening/closing the door to which it is installed, for example, Japanese Utility Model Application No. 62-99775 As also disclosed,
The door lock knobs provided on each door other than the driver's side door are driven by the door lock knob driving actuator, and the door lock knob driving actuators provided on each door other than the driver's side door are driven simultaneously. A door lock switch that can be activated is installed, and when the door lock switch is operated, each of the locking and unlocking mechanisms provided on the doors other than the driver's side door is automatically locked and unlocked. A door lock device that is said to be able to secure the door is known. In a door lock device that is equipped with such a door lock knob drive actuator and a door lock switch, the operation part of the door lock switch is usually arranged on the driver's side door, and it can be operated from the driver's seat. When operated, each of the locking/unlocking mechanisms provided on the doors other than the driver's side door is set to a locked or unlocked state,
Furthermore, the door key mechanism arranged on the driver's side door locks or unlocks the locking/unlocking mechanism provided on the driver's side door by being engaged with the locking/unlocking mechanism provided on the driver's side door. When the driver's door is operated from outside the vehicle to lock or unlock the driver's side door, the locking/unlocking mechanism installed on the driver's side door is locked or unlocked. Each of the locking and unlocking mechanisms is configured to take a locked state or an unlocked state.

(Problems to be Solved by the Invention) As described above, the door key mechanism provided on the driver's side door is operated from outside the vehicle to lock or unlock the locking/unlocking mechanism provided on the driver's side door. When the locking/unlocking mechanism provided on the driver's side door is locked or unlocked, each of the locking/unlocking mechanisms provided on the doors other than the driver's side door is also locked or unlocked. If the vehicle is equipped with a door lock device that is supposed to be in a locked state, the door key mechanism installed on the driver's side door can change the locking/unlocking mechanism installed on the driver's side door from the locked state to the unlocked state. When the driver's side door is operated from outside the vehicle to open the outside handle, each of the doors other than the driver's side door is automatically opened. The locked/unlocked mechanism is moved from the locked state to the unlocked state, and can be opened by operating the outside handle. Therefore, for example, in order to get into the driver's seat, a person who wants to drive a vehicle operates the door key mechanism provided on the driver's side door from outside the vehicle and opens the driver's side door by operating the outside handle. After the driver's side door is opened by operating the outside handle, etc.
For robbers hiding outside the door other than the driver's side door,
By operating the outside handle of a door other than the driver's side door, there is a risk that the door may be opened, giving an opportunity for someone to break into the vehicle interior, which is inconvenient from a crime prevention perspective.

In view of this, the present invention provides a system in which a locking/unlocking mechanism provided in each of a plurality of doors of a vehicle selectively takes a locked state or an unlocked state in accordance with the operation of a door lock knob connected to the locking/unlocking mechanism. In addition, the locking/unlocking mechanism provided on the doors other than the driver's side door can be selectively locked and unlocked according to the operation of a door lock knob provided on the driver's side door, Furthermore, depending on the operation of the door key mechanism provided on the driver's side door from outside the vehicle, only the locking/unlocking mechanism provided on the driver's side door can be selectively locked or unlocked. being done,
It is possible to eliminate the trouble of manually operating the door lock knob provided on each door in order to activate the locking/unlocking mechanism provided each time when opening/closing each door.
Moreover, when the driver's side door can be opened by operating the door key mechanism installed on it from outside the vehicle and operating the outside handle, a door lock device that does not cause any crime prevention problems is provided. The purpose is to provide.

(Means for Solving the Problems) In order to achieve the above-mentioned object, a door lock device according to the present invention is provided on a driver's side door among a plurality of doors in a vehicle, and is equipped with an outside handle disposed on the driver's side door of a plurality of doors in a vehicle. A solution that causes the driver's side door to maintain a closed state regardless of the operation of a first door release means linked to the operation, and a solution that causes the driver's side door to take an open state in response to the operation of the first door release means. a first locking/unlocking means that selectively takes a locked state; and a second door release that is provided on a door other than the driver's side door among the plurality of doors and that is linked to the operation of an outside handle arranged thereon. A locked state in which doors other than the driver's side door are maintained in a closed state regardless of the operation of the means, and an unlocked state in which the doors other than the driver's side door are opened in response to the operation of the second door release means. a second locking/unlocking means for selectively taking the locking state, and a first position disposed on the driver's side door for causing the first locking/unlocking means to assume the locked state, a second position for causing the first locking/unlocking means to take the unlocked state, or , a first door lock member that is operated to assume a third position to maintain the unlocked state, and a second locking/unlocking means disposed on a door other than the driver's side door to maintain the locked state or the unlocked state. a second door lock member that is operated to lock or unlock the door; a door key that is disposed on the driver's side door and that is operated to lock or unlock the first locking/unlocking unit; a switching control means for switching the state of the second locking/unlocking means in response to an operation of the locking member; the switching control means is connected to an actuator that drives the second locking/unlocking means; When the locking device assumes the first position or the third position, the actuator is activated to cause the second locking/unlocking means to be in the locked or unlocked state.

(Function) In the door lock device according to the present invention configured as described above, the first locking/unlocking means provided on the driver's side door and the second locking/unlocking means provided on the door other than the driver's side door. The locking/unlocking means can selectively take a locked state and an unlocked state by operating the first door locking member and the second door locking member, respectively, and the second locking/unlocking means The first door lock member assumes the first position, thereby taking the locked state together with the first locking/unlocking means, and the first door lock member assumes the third position.
By taking the position , the first locking/unlocking means is in the unlocked state and the locking state is in the unlocked state. moreover,
The first locking/unlocking means is assumed to be in a locked state or an unlocked state by operating the door key means.

By doing this, when opening and closing each door,
The trouble of manually operating the first or second door locking member provided on each door in order to operate the first or second locking/unlocking means provided therein is eliminated, and moreover, To avoid inconveniences in crime prevention when a door can be opened by operating a door key means provided thereon from outside the vehicle and operating an outside handle.

(Example) FIG. 1 shows a portion of a driver's seat side door in a vehicle to which an example of a door lock device according to the present invention is applied.

In FIG. 1, the driver's side door 2 installed on the vehicle is
It is configured to include a door panel 4 and a door glass 6. The door panel 4 is formed from a door outer panel 4a arranged on the outside of the vehicle and a door inner panel 4b arranged on the passenger compartment side.The door inner panel 4b has a door trim 7 on its compartment side surface. installed. The door glass 6 is disposed between the door outer panel 4a and the door inner panel 4b and is supported so as to be movable up and down by a lifting mechanism such as a window regulator (not shown).

A door lock mechanism body 10 that operates when the driver's seat side door 2 is opened or closed is disposed in a lower portion between the door outer panel 4a and the door inner panel 4b. The door lock mechanism body 10 includes a striker 12 fixed to the vehicle body. A latch 14 that engages with the striker 12 to close the driver's side door 2. The latch I4 is rotated to release the locked state with the striker 12, and engages with the door release member 16 for opening the driver's side door 2 and the door release member 16, The latch 14 is maintained in engagement with the striker 12 to maintain the driver's side door 2 closed regardless of the actuation of the release member 16 - the locked position as shown by the dotted chain line and the door release member; On the 16th,
The striker 12 engages the latch 14 and rotates it.
It is configured to include a locking/unlocking member 18, etc., which takes an unlocked position as shown by a solid line and a broken line, and performs an operation to release the locked state.

At a predetermined position on the outer surface of the door outer panel 4a,
A recess 21 with a through hole 20 is formed, and a bracket 24 that supports a shaft 22 is attached to a portion above the recess 21 on the inner surface of the door outer panel 4a.

The shaft 22 has a through hole 2 provided in the recess 21 on the other end side.
One end of the outside handle 25, which protrudes from the vehicle outside the vehicle, is supported so that the outside handle 25 can be rotated. Furthermore, a key cylinder 27 is located in a portion of the door outer panel 4a located below the recess 21 on the door outer panel 4a.
A bracket 2 is provided at the end of the key cylinder 27 on the inner side of the door outer panel 4a.
8 is rotatably attached.

One end of the outside handle 25 located on the inner surface side of the door outer panel 4a and one end of the door release member 16 provided in the door lock mechanism body 1O are connected by a link rod 26. Also,
Bracket 28 attached to key cylinder 27 and locking/unlocking member 18 provided in door lock mechanism main body IO
is connected to one end on the door outer panel 4a side by a link rod 29.

On the other hand, the upper end portion of the door trim 7 is provided with an insertion hole 7a. The knob portion 31 of the door lock member 30 is inserted into the insertion hole 7a, and the door lock member 30 has a configuration in which the knob portion 31 and the cylindrical portion 32 are integrally formed and is movable in the vertical direction. It is said that

The cylindrical portion 32 of the door lock member 30 is disposed between the door trim 7 and the door inner panel 4b, and includes a flange portion 32a having a central hole and a bottom plate portion having a central hole. 32b are provided at predetermined intervals, and a link rod 35 is inserted into the center hole formed in the flange portion 32a and the bottom plate portion 32b, respectively.
One end side of is inserted through. link rod 35
The other end portion is engaged with the other portion Da on the door inner panel 4b side of the locking/unlocking member 18 provided in the door lock mechanism main body portion IO.

A door lock member 30 is provided on one end side of the link rod 35.
The flange portion 32a provided on the cylindrical portion 32 and the bottom plate portion 3
A disc-shaped portion 33 is provided that is slidable between the disc-shaped portion 33 and the flange portion 32a, and between the disc-shaped portion 33 and the bottom plate portion 32b. The springs 36 and 37, each having the same characteristics, are arranged in a compressed set state. Furthermore, a protrusion 32c is provided on the outer peripheral surface of the cylindrical portion 32.

At a position below the cylindrical portion 32, a switch 40 having a movable terminal 40a is fixed to the door inner panel 4b. The movable terminal 40a of the switch 40 and the protrusion 32c provided on the cylindrical portion 32 are connected by a connecting member 39, so that as the cylindrical portion 32 moves up and down, the movable terminal 40a of the switch 40 is displaced.

FIG. 2 shows a portion of a door 3 other than the driver's seat side door 2, for example, a passenger's seat side or a rear seat side. The door 3, like the driver's side door 2 shown in FIG. 1, has a door panel 4. made up of a door outer panel 4a and a door inner panel 4b. It is configured to include a door glass 6° door trim 7, a door lock mechanism body 10 disposed between a door outer panel 4a and a door inner panel 4b, and a door lock mechanism body 10 provided on the door panel 4. It is connected to an outside handle 25 via a link rod 26. Between the upper part of the door trim 7 and the upper part of the door inner panel 4b, there is a motor 42 as an actuator housed in the case 41. A worm 43 fixed to the output shaft of the motor 42. Worm wheel 44 meshing with worm 43. A pinion 45 arranged coaxially with the worm wheel 44. A rack 46 that engages with the pinion 45 and a door lock member 47 integrally formed with the rack 46 are provided. The door lock member 47 is movable in the vertical direction.
The knob portion 48 forming the upper portion protrudes above the door trim 7 through an insertion hole provided at the upper end of the casing 41 and a through hole provided at the upper end of the door trim 7 .

The lower end of the door lock member 47 and the other end of the locking/unlocking member 18 provided in the door lock mechanism body 1O are connected by a link rod 35'.

When the motor 42 is rotated, the rotation is
The rotation of the pinion 45 is transmitted to the pinion 45 via the worm 43 and the worm wheel 44, and the rotation of the pinion 45 drives the rack 46 that engages with it in the vertical direction, thereby moving the door lock member 47 in the vertical direction.

The switch 40 provided on the driver's side door 2 is connected to a control block 50, as shown in FIG. A drive signal SD corresponding to the on/off operation of the switch 40 is supplied.

Based on such a configuration, in the driver's seat side door 2, the locking/unlocking member 18 provided in the door locking mechanism main body 10,
If the locking position is as shown by the dashed line in FIG. 1, the door lock member 30 on the driver's side door 2 is in the first position as shown in FIG. 4A. It is considered to be taken. In this way, the door lock member 3
0 takes the first position, the locking/unlocking member 18 and the door locking member 47 provided in the door locking mechanism body 10 are in the second position in the doors 3 other than the driver's side door 2.
The locking position is as shown by the dashed line in the figure.

Under such circumstances, for example, a key operation is performed on the key cylinder 27 provided on the driver's side door 2, and the locking/unlocking member assumes the locked position as shown by the dashed line in FIG. 18 is rotated by the rotation of the bracket 28 provided on the key cylinder 21 being transmitted through the link rod 29, and the stopper 18a provided thereon is rotated by the lower end of the cover 10a that constitutes the door lock mechanism main body 10. It is assumed that the lock is displaced until it is locked, and assumes the unlocked position as shown by the solid line in FIG. Thereby, when the outside handle 25 is operated, the operation is transmitted to the door release member 16 through the link rod 26, and the door release member 16 is operated to open the driver's side door 2. be in a position to gain.

Then, the link rod 35 is pushed upward by the displacement of the locking/unlocking member 18 from the locked position to the unlocked position.
Thereby, the door lock member 30 assumes the second position as shown in FIG. 4B. When the door lock member 30 takes the second position in this way, the door lock The knob portion 31 and the cylindrical portion 32 of the member 30 are placed at an intermediate position. At this time, within the cylindrical portion 32 of the door lock member 30, the springs 36 and 37 are kept undeformed, and the disc-shaped portion 33 provided on the link rod 35 is connected to the flange portion 32a and the bottom plate portion 32.
b. Furthermore, the protrusion 32c provided on the door lock member 30 pulls up the movable terminal 40a of the switch 40 via the connecting member 39, causing the movable terminal 40a to take an intermediate position, and the switch 40 is turned off. In this way, when the door lock member 30 assumes the second position and the switch 40 is turned off, the drive signal SD from the control block 50 is not supplied to the motor 42 provided in the door 3, and the The door locking member 47 in FIG. 3 does not change its state, and therefore, the locking/unlocking member 18 provided in the door locking mechanism body 10 maintains the locked position as shown by the dashed line in FIG. It is assumed that

Next, the door lock member 30 of the driver's side door 2 is moved from the second position as shown in FIG. 4B to the third position as shown in FIG. 4C by pulling up the knob portion 31 thereof. When the door lock member 30 is in this position, the knob portion 31 and the cylindrical portion 32 of the door lock member 30 are moved from the intermediate position to the upper position. At this time, the link rod 35 is prevented from being displaced upward because the locking/unlocking member 18 of the door lock mechanism body 10 has its stopper 18a locked by the lower end of the cover 10a and cannot be rotated. Therefore, within the cylindrical portion 32 of the door lock member 30, the spring 36 is expanded and the spring 37 is compressed, and the disc-shaped portion 33 provided on the link rod 35 is attached to the bottom plate portion 32b. It is assumed that they will take a close position.

Further, the protrusion 32C provided on the door lock member 30 is
The movable terminal 40a of the switch 40 is further pulled up via the connecting member 39 to take the upper end position, and the switch 40 is placed in the first on state. In this way, the door lock member 30 assumes the third position, and the switch 40
is in the first ON state, a drive signal SD of negative polarity is supplied from the control block 50 to the motor 42 provided in the door 3, and the motor 42 is thereby operated. Door lock member 47 in door 3
to take the unlocked position as shown by the solid line in FIG. Accordingly, the link rod 35' is pulled up, and the locking/unlocking member 18 provided in the door lock mechanism body 10 moves from the locked position shown by the dashed line in FIG. 2 to the unlocked position shown by the solid line. It is rotated to the locked position. Thereby, when the outside handle 25 is operated, the operation is transmitted to the door release member 16 through the link rod 26, and the door release member 16 is operated to open the door 3. It is placed.

Note that the door lock member 30, which is assumed to be in the third position on the driver's side door 2, releases the springs 36 and 37 in the cylindrical portion 32 when the upward pulling blade is no longer applied to the knob portion 31. is returned to the second position.

After that, the key cylinder 27 provided on the driver's side door 2
When the key is operated, the locking/unlocking member 18 assumes the unlocking position as shown by the solid line in FIG. The locking/unlocking member 1 is transmitted and rotated to assume a locked position as shown by the dashed line in FIG.
8 from the unlocked position to the locked position, the link rod 35 is pulled down, and the door lock member 30 assumes the first position as shown in FIG. 4A. Alternatively, the door lock member 30 provided on the driver's side door 2 is pushed down and moved from the second position to the first position, and thereby the link rod 35 is pushed down, as shown in FIG. If the locking/unlocking member 1 takes the unlocked position as shown by the solid line in , and is assumed to take the locked position as shown by the - dotted chain line, the knob portion 3 of the door locking member 30
(And the cylindrical portion 32 is placed in the lower position. Under such conditions, the outside handle 25 of the driver's side door 2 is operated, and the operation is transmitted to the door release member 16 through the link rod 26. Even when the door release member 16 is activated, it is maintained in the closed state.

At this time, within the cylindrical portion 32 of the door lock member 30, the springs 36 and 37 are kept undeformed, and the disc-shaped portion 33 provided on the link rod 35 is attached to the flange portion 32a and the bottom plate portion 32b. It shall be placed in an intermediate position. Further, the protrusion 32c provided on the door lock member 30 pushes down the movable terminal 40a of the switch 40 via the connecting member 39, causing the movable terminal 40a to take the lower end position, and the switch 40 is brought into the second on state. Ru.

In this way, when the door lock member 30 is in the first position and the switch 40 is in the second on state, the door 3
A drive signal SD of positive polarity is supplied from the control block 50 to the motor 42 provided at the lock position as shown by. Accordingly, the link rod 35° is pushed down, and the locking/unlocking member 18 provided in the door lock mechanism body 10 moves from the unlocked position shown by the solid line in FIG. 2 to the position shown by the dashed line. It is rotated to the locked position. Thereby,
Even if the outside handle 25 is operated, the operation is transmitted to the door release member 16 through the link rod 26, and the door release member 16 is activated.
shall be kept closed.

(Effects of the Invention) As is clear from the above description, according to the door lock device according to the present invention, the locking/unlocking means provided on the driver's seat side door and the doors other than the driver's seat side door are locked and unlocked on the driver's seat side. By operating the door lock member provided on the door and the door lock member provided on the door other than the driver's side door, the locked state and unlocked state can be selectively taken individually. Locking/unlocking means provided on doors other than doors are
The door locking member provided on the driver's side door selectively assumes a locked state and an unlocked state depending on the position to be taken, and furthermore, the locking/unlocking means provided on the driver's side door is Since the locked or unlocked state is assumed to be achieved by operating the door key means provided on the driver's side door, a locking means provided on each door is provided in order to activate the locking means provided thereon when each door is opened or closed. To eliminate the trouble of manually operating a door lock member provided each time, and to enable the driver's side door to be opened by operating a door key means provided thereon from outside the vehicle and operating an outside handle. In this case, the doors other than the driver's side door are not opened by operating the outside handle from outside the vehicle, thereby avoiding security problems.

[Brief explanation of drawings]

FIG. 1 is a schematic sectional view showing an example of a door lock device according to the present invention together with a portion of the driver's side door of a vehicle to which the door lock device is applied, and FIG. 2 is a schematic sectional view of a vehicle to which the example shown in FIG. 1 is applied. 3 is a schematic sectional view showing the parts of the door other than the driver's side door; FIG. 3 is a block connection diagram for explaining the switch shown in FIG. 1 and the motor shown in FIG. 2; FIGS. 4A and B
and C are diagrams used to explain the operation of the example shown in FIG. 1. In the figure, 2 is the driver's side door, 3 is a door other than the driver's side door, IO is the door lock mechanism main body, 18 is a locking/unlocking member,
25 is the outside handle, 27 is the key cylinder, 3
0 and 47 are door lock members, 32 is door lock member 3
0 is a cylindrical part, 40 is a switch, 42 is a motor, and 50 is a control block. Fig. 3 50 9 4α Fig. 4

Claims (1)

[Claims] Regardless of the operation of the first door release means, which is provided on the driver's side door of a plurality of doors in the vehicle and is linked to the operation of an outside handle arranged on the driver's side door. A first implementation that selectively takes a locked state in which the driver's side door is maintained in a closed state and an unlocked state in which the driver's seat door is opened in response to the operation of the first door release means. actuation of a locking means and a second door release means provided on a door other than the driver's side door among the plurality of doors and interlocked with the operation of an outside handle arranged on the door other than the driver's side door; a locked state in which doors other than the driver's side door are maintained in a closed state regardless of the operation of the driver's seat side door, and an unlocked state in which the doors other than the driver's seat side door are opened in response to the operation of the second door release means. a second locking/unlocking means for selectively taking the locked state, a first position disposed on the driver's side door for causing the first locking/unlocking means to take the locked state, and a second position for causing the first locking/unlocking means to take the unlocked state. a first door locking member that is operated to take the position or a third position that maintains the unlocked state, and a second locking/unlocking member that is disposed on a door other than the driver's side door. a second door locking member operated to cause the locked state or the unlocked state; and a second door locking member disposed on the driver's seat side door to cause the first locking/unlocking means to take the locked state or the unlocked state. The door key means to be operated is connected to an actuator that drives the second locking/unlocking means, and when the first door lock member assumes the first position or the third position, the actuator is in an operating state. and switching control means for causing the second locking/unlocking means to take the locked state or the unlocked state.