JP3404348B2 - Vehicle door locking and unlocking 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 locking / unlocking device for a vehicle door, and more particularly to a locking / unlocking device suitable for a sliding door for an automobile.

[0002]

2. Description of the Related Art Conventionally, as a vehicle door locking / unlocking device of this type, one disclosed in Japanese Patent Laid-Open No. 10-24737 is known. As shown in FIG. 7, this includes a pair of front and rear latch units 103 that have a latch that engages with a striker of the vehicle body and that holds the vehicle door in a closed state with respect to the vehicle body; On the other hand, the handle units 106 and 107 on the inside and outside of the vehicle door that operate the latch unit 103 to open
And a remote control unit 104 for transmitting or not transmitting the operation of the handle units 106 and 107 to the latch unit 103.

Each of the latch units 103, 103 has a rotatable latch that engages and disengages with the striker of the vehicle body, a rotatable pole that engages with the latch to restrict rotation of the latch, and a main lever that operates 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 detachable from the open lever and the lift lever. It is a structure with. Then, 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 the locking lever of the remote control unit 104 by operating the sill knob provided on the indoor side of the vehicle door or the key cylinder provided on the outdoor side, the remote control unit 104 is operated.
The latch unit 103 is locked by releasing the engagement between the open lever and the lift lever.

The lift lever of the remote control unit 104 and the main lever of the latch unit 103 are connected by a cable or rod arranged inside the vehicle door,
As a result, the remote control unit 104 and the latch unit 103 are linked.

[0005]

In the above-mentioned configuration, the remote control unit 104 performs the lock / unlock operation and the latch / unlatch operation of the latch units 103, 103. However, the remote control unit 104 and the latch units 103, 103
Since and are connected with a cable or rod, if this cable or rod is illegally operated from outside the vehicle, it will be unlatched even though the latch unit is locked by the operation of the remote control unit. There is a danger of opening the door. Further, 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 unlatched by the operation of the handle unit, which may open the door. .

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

[0007]

In order to solve the above-mentioned problems, the present invention basically uses means for arranging a main lever and a sub-lever that can be engaged and disengaged in a latch unit. Specifically, the present invention provides a latch unit that has a latch that engages with a striker of a vehicle body and that 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. In a vehicle door locking / unlocking device having a handle unit for operating the latch unit and a remote control unit for transmitting or not transmitting the operation of the handle unit to the latch unit, the rotation of the latch provided in the latch unit is restricted. (EN) Provided is a vehicle door locking / unlocking device having a main lever for operating a pole, an operation of a handle unit provided to a latch unit via a remote control unit, and a sub-lever that is detachable from the main lever.

According to this technical means, by releasing the engagement between the main lever and the sub-lever, in addition to the locking operation of the latch unit by the operation of the remote control unit, the locking operation of the latch unit itself is performed. Therefore, even if the cable or rod that links the remote control unit and the latch unit is illegally operated or the latch unit is unlocked illegally due to the illegal operation of the remote control unit, the latching operation of the latch unit itself causes the latching. It is possible to prevent the unit from being unlatched and improve the anti-theft property.

More preferably, an actuator provided in the latch unit, a first link provided in the latch unit and rotated by the operation of the actuator, and one end of which is pivoted to the first link provided in the latch unit. A second link that is supported and has the other end abuttable against a part of the sub-lever, and the actuator releases the abutment relationship between the sub-lever and the second link to engage the main lever with the sub-lever. It is good to let go.

More preferably, the actuator has an elongated hole formed in the main lever and a projecting pin formed in the second link and inserted into the elongated hole of the main lever and abuttable with a part of the sub-lever. The operation of the first link to the second
It is preferable that the protruding pin of the link is moved along the elongated hole to release the contact relationship between the second link and the sub lever.

More preferably, the sub-lever and the main lever are coaxially and rotatably supported, and a bracket for holding the actuator is provided, and the main lever, the sub-lever, the first and second links and a part of the actuator are provided. It is good that it is surrounded by brackets.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIG. 4, a pair of front and rear latch units 103 for holding the slide door 101 in a closed state relative to a vehicle body 102 and a latch unit 103 are operated on a slide door 101 of a vehicle. A remote control unit 104 is provided to allow it.
The remote control unit 104 and the pair of front and rear latch units 103 are linked by a cable or a rod arranged on the slide door 101. Further, the remote control unit 104 includes the slide door 10
It is linked to the inside handle unit 106 disposed on the interior side of the outside handle unit 107 and the slide door 101 which is arranged in one of the outdoor side.

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 the coaxial shaft 93 at a substantially central portion in the longitudinal direction thereof, and is connected at both ends thereof to the sub-lever 4 of the latch unit 103 described later by the cables 11. A slide bush 47 is slidably supported on the lift lever 41.

The inside open lever 42 is rotatably supported by a coaxial shaft 93 provided on a base bracket 91, and is connected at one end to an inside handle of an inside handle unit 106 via a rod 61a. A slide bush 48 is slidably supported on the other end of the inside open lever 42. The outside open lever 43 has one end rotatably supported by the coaxial shaft 93, and has the other end connected to the outside handle of the outside handle unit 107 via the cable 43e. On the outside open lever 43, engagement / disengagement pin portions 47a, 48a of the slide bushes 47, 48 are arranged so as to be disengageable.

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

The slide bush 48 has a connecting lever 49.
Slid by. The coupling 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 connecting lever 49 is connected to the child lever of the inside handle unit 106.

In the state shown in FIG. 6, when the inside handle unit 106 or the outside handle unit 107 is operated, the inside open lever 4
2. The lift lever 41 rotates via the outside open lever 43 and the slide bushes 47 and 48.
As a result, the operation of the handle units 106 and 107 causes the lift lever 4 of the remote control unit 104 to operate.
1 to the sub-lever 4 of the latch unit 103 via the cable 11 (unlatch 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 to move the outside open lever 43 and the lift lever 41.
The engagement with the slide bush 47 is released.
In this state, the inside handle unit 106
Alternatively, even if the outside handle unit 107 is operated, the lift lever 41 does not rotate, so that the handle units 106 and 107 are operated from the lift lever 41 of the remote control unit 104 via the cable 1.
1 is no longer transmitted to the sub-lever 4 of the latch unit 103 (lock operation of the latch unit 103).

As shown in FIGS. 1 and 2, the latch unit 103 mainly comprises a main lever 3 and a sub-lever 4. The main lever 3 has a hole 6 through which the pin 2 is passed and an elongated hole 7 extending to one side thereof, and an end portion 8 of the piece opposite to the piece having the elongated hole 7 is connected to a pawl 18 of the latch unit 103. The operating lever 9 can be freely contacted. The sub-lever 4 supported by the pin 2 has a substantially T-shape, and has a hole 10 through which the pin 2 is inserted, a piece 12 for fixing one end of the cable 11, and an abutment piece 13 abuttable on a second link 15 described later. Have.

One end of the first link 14 which 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 15 has an abutting portion 16 that can abut the abutting piece 13 of the sub-lever 4 and a protruding portion 17 (or pin) that is inserted into the elongated hole 7. Although the lower half part of the bracket 1 is shown in the illustrated example, the bracket 1 includes the main lever 3, the sub-lever 4, the first and second links 14, 1.
5 and a part of the actuator 5 are formed in a box shape so as to prevent access to each illegal part from the outside.

FIG. 2 shows the conditions for normal latching and unlatching operations. The contact piece 13 of the sub-lever 4 faces the contact portion 16 of the second link 15, and the protruding portion 17 has the elongated hole 7.
The end portion 8 of the main lever 3 faces the actuating lever 9 at one end. The operating lever 9 is coupled to the pawl 18 of the latch unit 103. The pole 18 disengages from the ratchet 19 that receives the striker on the vehicle body side, and the ratchet 1
9 position (latch and unlatch) is specified.

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 rotates clockwise around the pin 2 and the contact portion 16 of the second link 15 is rotated. Is pushed by the abutment piece 13 of the sub plate 4 , and the protruding portion 17 thereof is
Is rotated clockwise and its end 8 pushes the actuating lever 9. As a result, Paul 18 leaves the ratchet 19 and
The sliding door 101 is opened.

Latch unit 103 by operating the locking lever 44 of the remote control unit 104
In the locked state of the vehicle, an electric signal from an ignition key with an operation button that wirelessly operates the door lock device of each vehicle door or an electric signal linked to the double lock operation of the door lock device on the driver's side door of the vehicle The actuator 5 operates to rotate the first link 14 counterclockwise as shown in FIG. Rotation of the first link 14 in the counterclockwise direction in FIG. 2 causes the protrusion 17 of the second link 15 to move along the elongated 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 lock operation of the latch unit 103). In the double lock state shown in FIG. 3, even if the cable 11 is illegally moved and the sub-lever 4 is rotated in the clockwise direction, the contact piece 13 still contacts the contact portion 1 of the second link 15.
No motion is transmitted to the main lever 3. As a result, the slide door 101 is never opened. In addition, the remote control unit 10
Even if the locking lever 44 of No. 4 is illegally operated and the latch unit 103 is unlocked, since there is no motion transmission from the sub-lever 4 of the latch unit 103 to the main lever 3, the operation of the handle units 106 and 107 causes sliding. The door 101 is never opened.

To release the double lock state of FIG. 3,
Actuating the actuator 5 and connecting the first link 14 to FIG.
Rotate clockwise. This movement of the first link 14 causes the second link 15 to move along the elongated hole 7,
The normal state shown in FIG. In order to maintain the state of FIG. 2, springs may be arranged appropriately. In this way, since the sub-lever 4, the actuator 5, and the first and second links 14 and 15 are arranged in the latch unit 103 to enable the double lock operation of the latch unit, it is only necessary to replace the latch unit 103. The specifications that do not require the lock operation and the specifications that require the double lock operation can be easily changed, the parts can be shared, and the cost can be reduced. The sub-lever 4, the actuator 5, and the first and second links 14 and 15 may be arranged in both or only one of the pair of front and rear latch units 103.

[Brief description of 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 a 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]

1 bracket 2 pin 3 Main lever 4 sub lever 5 actuators 7 long holes 9 Actuating lever 11 cable 13 Contact piece 14,15 links 16 Contact part 17 Projection 18 pole 19 ratchet

Front page continuation (72) Inventor Toshio Machida 2-1, Asahi-cho, Kariya city, Aichi prefecture, Aisin Seiki Co., Ltd. (72) Nobuhiro Yamauchi, 2-chome, Asahi-cho, Kariya city, Aichi prefecture Aisin Seiki Co., Ltd. (72) Inventor Shinsuke Takayanagi 6 Ikegami 70, Tomokuni, Kira-cho, Hazu-gun, Aichi Prefecture, Aisin Kiko Co., Ltd. 72) Inventor Katsuya Emoto 100 Kanayama, Ichiriyama-cho, Kariya city, Aichi Toyota Auto Body Co., Ltd. (72) Inventor Noriyuki Adachi 1 Toyota-cho, Toyota-shi, Aichi Toyota Motor Co., Ltd. (56) References HEI 10-24737 (JP, A) JP HEI 2-8478 (JP, A) HEI 10-317755 (JP, A) Actual development Sho 63-140474 (JP, U) (58) Fields investigated (Int .Cl. ⁷ , DB name) E05B 65/12-65/42 B60J 5/00

Claims (4)

(57) [Claims] 1. A latch unit for holding a vehicle door in a closed state with respect to the vehicle body, the latch unit having a latch that engages with a striker of 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 not transmitting an operation of the handle unit to a latch unit, a pole provided in the latch unit for controlling rotation of the latch is operated. A vehicle door locking / unlocking device having a main lever and a sub-lever provided on a latch unit for transmitting an operation of a handle unit via a remote control unit and detachable from the main lever. 2. An actuator provided in the latch unit, a first link provided in the latch unit and rotated by the operation of the actuator, and one end of which is pivotally supported by the first link provided in the latch unit. Further, the other end has a second link that can come into contact with a part of the sub-lever, and the actuator releases the contact relationship between the sub-lever and the second link to release the engagement relationship between the main lever and the sub-lever. The vehicle door locking / unlocking device according to claim 1, wherein 3. An actuator operation, comprising: an elongated hole formed in the main lever; and a projecting pin formed in the second link, inserted into the elongated hole of the main lever and abuttable with a part of the sub-lever. 3. The vehicle door locking / unlocking device according to claim 2, wherein the first link causes the protruding pin of the second link to move along the elongated hole to release the abutting relationship between the second link and the sub-lever. 4. A bracket for rotatably supporting the sub-lever and the main lever 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. The vehicle door locking / unlocking device according to claim 2, which is enclosed.