JP2001241245A - Door locking/unlocking apparatus for vehicles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent unlocking of a door even if unauthorized operation of a cable connected to a latch unit is performed. SOLUTION: An abutting portion (16) of a second link (15) opposed to an abutting piece (13) of a sub-lever (4) is moved to another location by actuation of an actuator (5), to thereby unlock the opposed relationship between the abutting piece and the abutting portion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking and unlocking device for a vehicle door, and more particularly to a locking and unlocking device suitable for a sliding door for an automobile.

[0002]

2. Description of the Related Art Conventionally, as this kind of vehicle door locking / unlocking device, there is known a device disclosed in Japanese Patent Application Laid-Open No. Hei 10-24737. As shown in FIG. 7, a pair of front and rear latch units 103 having a latch engaged with a striker of the vehicle body and holding the vehicle door in a closed state with respect to the vehicle body, and the vehicle door to the vehicle body. On the other hand, the handle units 106 and 107 on the indoor side and the outdoor side of the vehicle door for operating the latch unit 103 to be opened.
And a remote control unit 104 that transmits or disables the operation of the handle units 106 and 107 to the latch unit 103.

The latch units 103, 103 are provided with a rotatable latch for engaging and disengaging a striker of a vehicle body, a rotatable pole for engaging the latch and restricting the rotation of the latch, and a main lever for operating the pole. The remote control unit 104 includes an open lever linked to the handle units 106 and 107, a lift lever linked to the latch unit 103 and detachable from the open lever, and a locking lever disengaged from the open lever and the lift lever. It is a structure provided with. By operating the handle units 106 and 107, the main lever of the latch unit 103 is operated via the open lever and the lift lever of the remote control unit 104, so that the latch unit 103 is unlatched. Further, by operating a locking lever of the remote control unit 104 by operating a sill knob provided inside the vehicle door or a key cylinder provided outside the vehicle, the remote control unit 104 is operated.
Is disengaged from the open lever and the lift lever, and the latch operation of the latch unit 103 is performed.

[0004] The lift lever of the remote control unit 104 and the main lever of the latch unit 103 are connected by a cable or a rod arranged in a vehicle door.
Thus, the remote control unit 104 and the latch unit 103 are linked.

[0005]

In the above-described configuration, the locking and unlocking of the latch units 103, 103 and the operation of the latch and unlatch are performed by the remote control unit 104. However, the remote control unit 104 and the latch units 103, 103
Because the cable and rod are connected to each other, if this cable or rod is operated illegally from outside the vehicle, the latch unit is unlatched even though the latch unit is locked by the operation of the remote control unit, There is a risk that the door can be opened. Also, if the sill knob is illegally operated from outside the vehicle, the latch unit is unlocked by the operation of the remote control unit, and as a result, the latch unit can be unlocked by operating the handle unit, and there is a danger that the door will be opened. .

Therefore, an object of the present invention is to solve the above-mentioned disadvantages of the prior art.

[0007]

According to the present invention, in order to solve the above-mentioned problems, basically, means for arranging a sub-lever which is detachable from a main lever in a latch unit is used. Specifically, the present invention provides a latch unit that has a latch that engages with a striker of a vehicle body and holds the vehicle door in a closed state with respect to the vehicle body, and sets the vehicle door in an open state with respect to the vehicle body. A vehicle door locking and unlocking device having a handle unit for operating the latch unit and a remote control unit for transmitting or disabling the operation of the handle unit to the latch unit to restrict rotation of the latch provided on the latch unit Provided is a vehicle door locking / unlocking device having a main lever for operating a pawl, and a sub-lever which is provided on a latch unit, receives an operation of a handle unit via a remote control unit, and is detachable from the main lever.

According to this technical means, by releasing the engagement between the main lever and the sub-lever, the locking operation of the latch unit itself is performed in addition to the locking operation of the latch unit by the operation of the remote control unit. Therefore, even if the cable or rod linking the remote control unit and the latch unit is operated illegally or the latch unit is unlocked by the remote control unit, the latch unit locks itself. The unit can be prevented from being unlatched and the anti-theft property can be improved.

More preferably, an actuator provided on the latch unit, a first link provided on the latch unit and rotated by the operation of the actuator, and one end of the first link provided on the latch unit are pivoted. A second link that is supported and has the other end abuttable on a part of the sub-lever, and the actuator releases the abutting relation between the sub-lever and the second link to form an engagement between the main lever and the sub-lever; It is good to let you cancel.

[0010] More preferably, the actuator has an elongated hole formed in the main lever, and a protruding pin formed in the second link and inserted into the elongated hole of the main lever and capable of abutting a part of the sub-lever. Actuates the first link to the second
Preferably, the projecting pin of the link is moved along the elongated hole to release the contact between the second link and the sub-lever.

More preferably, a bracket is provided for supporting the sub-lever and the main lever so as to be rotatable coaxially and holding the actuator, and the main lever, the sub-lever, the first and second links, and a part of the actuator are provided. It is good to be surrounded by brackets.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 4, a pair of front and rear latch units 103 for holding a slide door 101 in a closed state with respect to a vehicle body 102 are operated on a slide door 101 of a vehicle. A remote control unit 104 is provided.
The remote control unit 104 and the pair of front and rear latch units 103 are linked by cables and rods routed to the slide door 1, and the remote control unit 104 is located outside the slide door 1 outside. It is linked to the handle unit 107 and the inside handle unit 106 arranged on the indoor side of the slide door 1.

As shown in FIGS. 5 and 6, the remote control unit 104 mainly includes a lift lever 41, an inside open lever 42, and an outside open lever 43. The lift lever 41 is rotatably supported by a coaxial shaft 93 at a substantially central portion in the longitudinal direction, and is connected to a sub-lever 4 of a latch unit 103 to be described later at both ends by cables 11. A slide bush 47 is slidably supported by the lift lever 41.

The inside open lever 42 is rotatably supported by a coaxial shaft 93 provided on the base bracket 91, and is connected at one end to the inside handle of the inside handle unit 106 via a rod 61a. At the other end of the inside open lever 42, a slide bush 48 is slidably supported. The outside open lever 43 is rotatably supported at one end by the coaxial shaft 93, and is connected at another end to the outside handle of the outside handle unit 107 via a cable 43e. The outside open lever 43 is provided with engaging and disengaging pin portions 47a, 48a of slide bushes 47, 48 so as to be freely engaged and disengaged.

The slide bush 47 is slid by a locking lever 44. Locking lever 44
Is rotatably supported by the base bracket 91 by snap engagement, and the connection pin portion 47b of the slide bush 47 is inserted therethrough. The locking lever 44
It is connected to the output lever 51 of the locking actuator 50 attached to the base bracket 91.
The output lever 51 is connected to the inside handle unit 1.
06 is connected to a sill knob via a rod 62a.

The slide bush 48 includes a connecting lever 49.
Is slid. The connection lever 49 is rotatably supported by the base bracket 91 by snap engagement, and the engagement / disengagement pin portion 48 a of the slide bush 48 is inserted therethrough. The connection lever 49 is connected to a child lever of the inside handle unit 106.

When the inside handle unit 106 or the outside handle unit 107 is operated in the state shown in FIG.
2. The lift lever 41 rotates through the outside open lever 43 and the slide bushes 47 and 48.
Thus, the operation of the handle units 106 and 107 is performed by the lift lever 4 of the remote control unit 104.
1 is transmitted to the sub-lever 4 of the latch unit 103 via the cable 11 (unlatching operation of the latch unit 103). In the state shown in FIG. 6, when the locking lever 44 is operated by the sill knob or the locking actuator 50, the slide bush 47 slides and the outside open lever 43 and the lift lever 41 are moved.
Is disengaged via the slide bush 47.
In this state, the inside handle unit 106
Or, even if the outside handle unit 107 is operated, the lift lever 41 does not rotate, so that the operation of the handle units 106 and 107 requires the cable 1 from the lift lever 41 of the remote control unit 104.
No transmission is made to the sub-lever 4 of the latch unit 103 via the lock lever 1 (lock operation of the latch unit 103).

As shown in FIGS. 1 and 2, the latch unit 103 mainly includes a main lever 3 and a sub lever 4. The main lever 3 has a hole 6 through which the pin 2 passes and a long hole 7 extending to one of the holes 6, and an end 8 of a side opposite to the side having the long hole 7 is connected to a pole 18 of the latch unit 103. The operating lever 9 is freely contactable. The sub-lever 4 supported by the pin 2 is a substantially T-shaped hole 10 through which the pin 2 passes, a piece 12 for fixing one end of the cable 11, and a contact piece 13 that can freely contact a second link 13 described later. Has.

One end of the first link 14 that is rotatable by the output shaft of the actuator 5 is pivotally supported on one end of the second link 15. The other end of the second link 13 has a contact portion 16 that can freely contact the contact piece 13 of the sub-lever 4 and a protruding portion 17 (or pin) inserted into the long hole 7. Although the lower half of the bracket 1 is shown in the illustrated example, the bracket 1 includes a main lever 3, a sub lever 4, and first and second links 14 and 1.
5 and a part of the actuator 5 are formed in a box shape so as not to allow access to illegal parts from outside.

FIG. 2 shows a state for normal latch and unlatch operations. The contact piece 13 of the sub-lever 4 faces the contact part 16 of the second link 15, and the protrusion 17 is
And the end 8 of the main lever 3 faces the operating lever 9. The operating lever 9 is connected to the pole 18 of the latch unit 103. The pole 18 is disengaged from the ratchet 19 receiving the striker on the vehicle body side, and the ratchet 1
9 (latch and unlatch).

In the state shown in FIG. 2, the outside handle unit 107 or the inside handle unit 106
When the cable 11 is pulled in the direction of arrow A by the rotation of the lift lever 41 of the remote control unit 104 by the operation of, the sub-lever 4 is rotated clockwise around the pin 2 and the contact piece 13 of the second link 15 is rotated. Pushes the contact portion 16, the protrusion 17 rotates the main lever 3 clockwise, and the end 8 pushes the operating lever 9. As a result, the pole 18 separates from the ratchet 19 and the sliding door 101
Is released.

The latch unit 103 is operated by operating the locking lever 44 of the remote control unit 104.
In the locked state, the door lock device of each door of the vehicle is operated wirelessly by an electric signal from an ignition key with an operation button or an electric signal linked to a double lock operation of the door lock device of the door on the driver's seat side of the vehicle. The actuator 5 operates to rotate the first link 14 counterclockwise as shown in FIG. The rotation of the first link 14 in the counterclockwise direction shown in FIG. 2 moves the protrusion 17 of the second link 15 along the long hole 7 of the main lever 3 as shown in FIG. The contact portion 16 is moved to a position away from the contact piece 13 of the sub lever 4 (double locking operation of the latch unit 103). In the double lock state shown in FIG. 3, even if the cable 11 is moved illegally and the sub-lever 4 is rotated clockwise, the contact piece 13 is kept in contact with the contact portion 1 of the second link 15.
6 and no motion is transmitted to the main lever 3. As a result, the slide door 101 is not opened. Also, the remote control unit 10
Even if the locking lever 44 of 4 is operated illegally and the latch unit 103 is unlocked, there is no movement transmission from the sub-lever 4 of the latch unit 103 to the main lever 3, so that the sliding by the operation of the handle units 106 and 107 is performed. The door 101 is not opened.

To release the double lock state shown in FIG.
Actuator 5 is actuated to cause first link 14 to move as shown in FIG.
Turn counterclockwise. This movement of the first link 14 may cause the second link 15 to move along the slot 7 to the normal state shown in FIG. In order to maintain the state of FIG. Thus, the sub-lever 4, the actuator 5,
Since the first and second links 14 and 15 are arranged to enable the double lock operation of the latch unit, the specification that does not require the double lock operation and the double lock operation is required only by replacing the latch unit 103. It can be easily changed to the specifications to be used, components can be shared, and the cost can be reduced. The above-mentioned sub-lever 4, actuator 5, and first and second links 14, 15 may be arranged in both or one of the pair of front and rear latch units 103.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a latch unit of a door locking / unlocking device according to the present invention.

FIG. 2 is a front view of a latch unit of the door locking / unlocking device according to the present invention.

FIG. 3 is a front view showing a double lock operation of the latch unit of the door locking / unlocking device according to the present invention.

FIG. 4 is a front view of a vehicle door equipped with the door locking / unlocking device according to the present invention.

FIG. 5 is a sectional view showing a remote control unit of the door locking / unlocking device according to the present invention.

FIG. 6 is a sectional view showing a remote control unit of the door locking / unlocking device according to the present invention.

FIG. 7 is a front view of a vehicle door equipped with a conventional door locking / unlocking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bracket 2 Pin 3 Main lever 4 Sub-lever 5 Actuator 7 Long hole 9 Operating lever 11 Cable 13 Contact piece 14, 15 Link 16 Contact part 17 Projection part 18 Pole 19 Ratchet

Continuation of the front page (71) Applicant 000003207 Toyota Motor Corporation 1 Toyota Town, Toyota City, Aichi Prefecture (72) Inventor Toshio Machida 2-1-1 Asahimachi, Kariya City, Aichi Prefecture Inside Aisin Seiki Co., Ltd. (72) Inventor Nobuhiro Yamauchi 2-1-1 Asahi-cho, Kariya-shi, Aichi Prefecture, Aisin Seiki Co., Ltd. (72) Inventor Shinsuke Takayanagi 70, Ikegami, Tokukuni-ji, Oji, Kira-cho, Hazu-gun, Aichi Prefecture 6 Aisin Kiko Co., Ltd. No. 100 Kanayama, Ichiriyama-cho, Kariya-shi, Aichi Prefecture Toyota Auto Body Co., Ltd. (72) Inventor Katsuya Emoto No. 100 Kanayama, Ichiriyama-cho, Kariya City, Aichi Prefecture Toyota Auto Body Co., Ltd. 1 Toyota Town F-term in Toyota Motor Corporation (reference) 2E250 AA21 HH01 JJ05 JJ37 KK02 KK03 LL01 MM01 NN01 PP05 PP12 PP13 PP14 QQ03 QQ09 RR25

Claims (4)

[Claims] 1. A latch unit having a latch engaged with a striker of a vehicle body and holding the vehicle door in a closed state with respect to the vehicle body, and a latch unit for opening the vehicle door with respect to the vehicle body. In a vehicle door locking / unlocking device having a handle unit to be operated and a remote control unit for transmitting or disabling the operation of the handle unit to a latch unit, a pole provided on the latch unit to regulate rotation of the latch is operated. A door locking / unlocking device for a vehicle, comprising: a main lever; and a sub-lever which is provided on a latch unit, receives an operation of a handle unit via a remote control unit, and is detachable from the main lever. 2. An actuator provided on the latch unit, a first link provided on the latch unit and rotated by operation of the actuator, and one end of the first link provided on the latch unit is pivotally supported. And the other end has a second link that can freely contact a part of the sub-lever, and the actuator releases the contact between the sub-lever and the second link to release the engagement between the main lever and the sub-lever. The vehicle door locking / unlocking device according to claim 1, wherein 3. An actuation of the actuator, comprising: an elongated hole formed in the main lever; and a protruding pin formed in the second link and inserted into the elongated hole of the main lever and capable of abutting a part of the sub-lever. 3. The vehicle door locking / unlocking device according to claim 2, wherein the first link moves the projecting pin of the second link along the elongated hole to release the contact between the second link and the sub-lever. 4. A bracket for supporting a sub-lever and a main lever rotatably coaxially and holding an actuator, wherein the main lever, the sub-lever, the first and second links, and a part of the actuator are formed by the bracket. 3. The vehicle door locking and unlocking device according to claim 2, wherein the device is enclosed.