JP2686216B2 - Vehicle door lock device - Google Patents

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 device.

[0002]

2. Description of the Related Art Conventionally, in a vehicle door lock device, when a key cylinder or a lock knob is used for locking or unlocking, a knob lever operates to switch a sub-lever between an operating state and a non-operating state. When an operation from the unlocking operation system is input while the sub-lever is in the non-operating state, the sub-lever in the non-operating state swings its operation to ensure the locked state.

On the other hand, the door lock device in the locked state may be unlocked if the knob lever is attacked by an illegal means, and even if the door lock device is attacked by an illegal means from an undesirable place in terms of anti-theft property. An anti-theft device has been proposed that can never be unlocked.

An outline of the anti-theft device is as follows. When the anti-theft device of the anti-theft device is in the unlocked state, it has no effect on the normal door locking and unlocking operation. The knob lever is secured in a non-operated state.

[0005]

In the door lock device incorporating the anti-theft device as described above, even if the door lock device is attacked by an illegal means, the anti-theft device operates and the locked state is surely secured. In terms of sexuality, it exerts extremely excellent power. On the other hand, if a failure occurs after the anti-theft device is set, the unlocked state cannot be obtained, and even the owner cannot open the door.

Therefore, it is an object of the present invention to provide a vehicle door lock device capable of unlocking the door lock when a failure occurs in the anti-theft device.

[0007]

In order to achieve the above object, the present invention provides a window regulator for moving a window panel up and down by an operation switch in a door and a lock operation by a key cylinder or a lock knob.
The knob lever moves to the first operation position, and when the unlocking operation system is operated, the operation transmission to the open lever is idling to secure the locked state, and at the time of the unlocking operation, the knob lever moves to the second operation position, In a vehicle equipped with a door lock that transmits an operation to an open lever when operating an unlocking operation system to obtain an unlocked state, the knob lever is moved to first and second operating positions of the knob lever when in an unlocked position. And a knob lever restraint device that restrains the movement of the knob lever when it is in the locked position, while it is provided independently of the door lock operation system, and the open lever is directly connected by the manual operation part provided on the door. Provided with an open lever drive member that operates to unlock the door lock,
A cover member is provided on the window regulator side to cover the manual operation part when the window panel is fully closed and to be exposed when the window panel is lowered, and a shield for dropping the window regulator separately from the operation switch is provided. An operation switch is provided inside the trunk.

[0008]

According to such a vehicle door lock device, when a failure occurs after the knob lever restraint device is set,
When there is a person in the vehicle compartment, the door lock can be unlocked by operating the manual operation unit, and the vehicle cannot be locked in the vehicle compartment.

On the other hand, when the vehicle is separated from the vehicle, for example, even if a third person from outside tries to operate the manual operation section by breaking the window panel, the operation is disabled and the door can be opened because it is covered by the shielding member. There is no.

In this case, in the case of the owner of the vehicle, the trunk can be opened by the key, the spare operation switch can be operated, and the window regulator can be lowered to bring the manually operated portion into an exposed state. . As a result, the door lock can be unlocked.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings of FIGS.

In FIG. 6, reference numeral 1 denotes a front door of an automobile, and 3 denotes a trunk lid. The trunk lid 3 can be opened and closed by a key.

On the other hand, as shown in FIG. 3, the door 1 is provided with a window panel 5, a window regulator 7 for moving the window panel 5 up and down, and a door lock 9.

The window regulator 7 includes a carrier plate 11 for supporting the window panel 5 and a guide rail 13 for vertically movably guiding the carrier plate 11.
And a wire 15 for pulling and controlling the carrier plate 11.
The wire type is composed of a drum 17 around which the wire 15 is wound, and a drive motor 19 that drives the drum 17 and can be rotated forward and backward.

The operation of the drive motor 19 is controlled by a main operation switch 21 provided inside the door 1 and a backup operation switch 25 provided inside the trunk. The spare operation switch 25 can be operated even when the engine is off. For example, by rotating the drive motor 19 in the reverse direction, the carrier plate 11 is lowered and the window panel 5 can be fully opened. ing.

When the engine is turned on, the main operation switch 21 can be controlled to rotate the drive motor 19 in the forward or reverse direction, and the carrier plate 11 is moved up or down to fully close or open the window panel 5. The state will be obtained.

As shown in FIGS. 1 and 2, the door lock 9 is an open lever that releases the engagement between a latch (not shown) that meshes with a striker on the vehicle body side and a latch that meshes with the striker when the door 1 is fully closed. 27 and a sub-lever 29 that operates the open lever 27.

The sub-lever 29 is interlockingly connected to the knob lever 35 via the guide pin 31 and the guide groove 33, and when the knob lever 35 is in the first operating position a, the pressing portion 29a of the sub-lever 29 is separated from the open lever 27 and is not operated. At the position A and the second operating position b, the pressing portion 29a can be switched to the operating state B in which the pressing portion 29a is close to the open lever 27.

The guide groove 33 allows the sub-lever 29 to move.
It is possible to move up and down (directions of arrow a and b). Thus, when the sub-lever 29 is in the operating position B, the open lever 27 can be operated by the pressing portion 29a by moving in the arrow A direction by the operation of the inside lever 37 and the outside lever 39.

Further, when the sub-lever 29 is in the non-actuated position A, if the inside lever 37 and the outside lever 39 are operated to move in the direction of arrow A, the open lever 27 is opened.
On the other hand, the pressing portion 29a is designed so as to be missed.

The inside lever 37 for operating the sub-lever 29 has an inside handle 43 through a rod 41.
The outside lever 39 is linked to the outside handle 47 via the rod 45.

The knob lever 35 is linked with the lock knob 51 via the rod 49, and the key lever 53 linked with the knob lever 35 is linked with the key cylinder 57 via the rod 55, respectively, to lock the lock knob 51 or the key cylinder 57. During the unlocking operation, switching control is performed between the first operating position a and the second operating position b. Therefore, when the knob lever 35 is in the first operating position a, the sub lever 29 can be switched to the non-operating position a, and when it is in the second operating position b, the sub lever 29 can be switched to the operating position B.

The open lever 27 operated by the sub-lever 29 is directly controlled by an open lever drive member 59 provided independently of the operation system of the door lock 9.

The open lever drive member 59 is rotatably attached by a pivot shaft 61 formed in an angle and attached to the lock body, and at the same time, one action portion 59a.
Faces a position close to the open lever 27. The other mounting portion 59b is connected to the manual operation portion 6 via the rod 63.
By interlocking with 5 and operating in the direction of arrow C, the open lever 27 is operated and the unlocked state is obtained.

The manual operation section 65 is provided inside the escutcheon 69 which is provided inside the door 1 and whose front surface is covered by the shielding member 67.

The shielding member 67 is provided on the carrier plate 11 of the window regulator 7 and is set at a position to cover the manual operation part 65 when fully closed when it is fully raised. On the other hand, the knob lever 35 can be brought into a restrained state and a restraint released state by a knob lever restraining device 71 which is an anti-theft device.

The knob lever restraint device 71 includes a housing 7
A drive motor 73 provided in 2 capable of rotating in the forward and reverse directions;
It has a worm wheel 74 whose rotation is controlled by a drive motor 73, and a cam body 76 which is interlockingly connected via a guide pin 75 of the worm wheel 74.

The drive motor 73 is controlled so that it can be rotated in the forward or reverse direction by inputting a signal from the remote controller LM to the controller 77, and a worm 78 is provided on the motor shaft of the drive motor 73. It meshes with the worm wheel 74.

The worm wheel 74 is a wheel shaft 74.
The guide pin 75 is rotatably mounted on a and is provided with the guide pin 75.

The cam body 76 is rotatably mounted and supported at a lock position R1 and an unlock position R2 with a cam shaft 79 as a fulcrum, and the detection switch 80 detects the lock position R1 and the unlock position R2. The ON / OFF of the drive motor 73 is controlled by. The cam body 76 is provided with an engagement groove 81 which engages with the guide pin 75.

The engaging groove 81 has a substantially T-shape with an arcuate groove 81a centered on the cam shaft 79 and a straight restricting groove 81b extending from a substantially central portion of the arcuate groove 81a.

The relationship between the engaging groove 81 and the guide pin 75 is as follows.
As shown in FIGS. 7 and 8, the drive motor 73 rotates in the forward direction and the guide pin 75 faces the arcuate groove 81a, whereby the cam body 76 is formed.
To the lock position R1 and the unlock position R2. Further, the drive motor 73 rotates in the reverse direction, and the guide pin 7
The cam body 76 is constrained at the lock position R1 by the fact that 5 faces the restriction groove 81b.

The cam body 76 and the knob lever 35 are interlockingly connected via a connecting member 82.

According to the door lock device constructed as described above, when the lock knob 51 or the key cylinder 57 performs the locking and unlocking operations, the sub-lever 29 is switched between the operating position B and the non-operating position A. When the inside handle 43 and the outside handle 47 are operated when the sub lever 29 is in the operating position B, the pressing portion 29 operates the open lever 27 and the unlocked state is obtained. When the inside handle 43 and the outside handle 47 are operated when the sub-lever 29 is in the non-actuated position A, the pressing portion 29a ends up idling with respect to the open lever 27. in this case,
Since the cam body 76 linked to the knob lever 35 can freely move as shown in FIG. 7, there is no hindrance to the operation of the door lock 9.

Next, when the knob lever restraint device 71 is operated by the remote controller LM to bring it into the locked state R1 as shown in FIG. 8, the restrained state of the knob lever 35 is secured.

In this state, even if a third person tries to operate the manual operation section 65 by breaking the window panel 5 from the outside, it is not unlocked because it is covered by the shielding member 67.

On the other hand, when a failure occurs at the completion of the operation of the knob lever restraint device 71, the trunk lid 3 is opened, the spare operation switch 25 is operated, and the window regulator 7 is lowered. As a result, the shielding member 67 is also lowered and the manual operation part 65 is brought into an operable exposed state, so that the door lock 9 can be unlocked. Further, when there is a person in the vehicle, the manual operation unit 65 can be operated from the room, and the problem of being stuck in the room does not occur.

[0038]

As described above, according to the present invention, even if the window panel is broken and the manual operation portion is operated, since it is covered by the shielding member, there is no risk of being unlocked.

When the knob lever restraint device fails after the operation is completed, the spare operation switch can be operated by opening the trunk, so that the manual operation section can be operated and the door lock can be unlocked. Become. In addition, there is no risk of being trapped in the passenger compartment.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a door lock in which a sub lever is in a non-operating state.

FIG. 2 is an explanatory view of a door lock in which a sub lever is in an operating state.

FIG. 3 is an explanatory view of the entire door lock and knob lever restraint device.

FIG. 4 is an explanatory view in which a manual operation unit is covered by a shielding member.

FIG. 5 is an explanatory diagram of an exposed state in which a manual operation unit can be operated.

FIG. 6 is a perspective view of an automobile with a trunk opened.

FIG. 7 is an explanatory diagram of a knob lever restraint device at an unlock position.

FIG. 8 is an explanatory view of a lock position and a knob lever restraint device.

[Explanation of symbols]

 1 Door 5 Window Panel 7 Window Regulator 9 Door Lock 21 Operation Switch 23 Trunk 25 Spare Operation Switch 27 Open Lever 35 Open Lever 35 Knob Lever 51 Lock Knob 57 Key Cylinder 59 Open Lever Drive Member 65 Manual Operation Section 67 Shielding Member 71 Knob Lever Restraining Device

Claims (1)

(57) [Claims] 1. A window regulator for moving a window panel up and down by an operation switch in a door,
The knob lever moves to the first operating position during the locking operation with the key cylinder or the lock knob, and the transmission of the operation to the open lever is released during the operation of the unlocking operation system to secure the locked state, and at the time of the unlocking operation, the knob lever is operated. A door lock that moves to a second operating position and transmits an operation to an open lever when the unlocking operation system is operated to obtain an unlocked state. A knob lever restraint device for restraining the movement of the knob lever when in the lock position while allowing the movement to the first and second operating positions, and is provided independently of the door lock operation system and provided on the door. An open lever drive member that unlocks the door lock by directly operating the open lever by the manual operation part is installed, Occasionally, a cover member is provided on the window regulator side that covers the manual operation part and is exposed when the window panel is lowered, and a spare operation switch for lowering the window regulator separately from the operation switch is provided in the trunk. A door lock device for a vehicle, characterized in that