JP2001098820A - Door lock device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate twisting of a double locking member to thereby ensure smooth motion. SOLUTION: A guide link 83 for linking a double locking member 82 to a double locking lever 81 is provided, with the double locking member 82 moving around the central axis of rotation of a control lever 42 and a lift lever 41 while being accompanied by the rotation of the control lever 42 and the lift lever 41.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can provide a double lock state of a vehicle door in which the vehicle door cannot be opened even if the locking operation member on the vehicle interior side is operated to unlock the vehicle door. The present invention relates to a vehicle door lock device.

[0002]

2. Description of the Related Art Conventionally, as this type of door lock device, one disclosed in European Patent Application Publication No. 07757791 is known.

[0003] In this system, a control lever is provided which can be disengaged via a lift lever and a double locking member. When the lift lever and the control lever are engaged by the double locking member, an open operation force from the open lever to the lift lever is provided. When the engagement between the lift lever and the control lever is released by the double locking member, the transmission of the open operation force from the open lever to the lift lever is lost. As a result, a double lock state of the vehicle door is obtained in which the vehicle door cannot be opened even if the locking operation member on the vehicle interior side is operated to unlock the vehicle door.

[0004]

However, in the conventional device described above, the double locking member is rotatably supported by the double locking lever, and the center axis of the rotation is defined by the open lever and the control lever. It is at a position deviated from the rotation center axis. For this reason, when transmitting the open operation force from the open lever to the lift lever via the double locking member, twisting occurs between the control lever and the double locking member and between the double locking member and the lift lever, and uneven wear and There is a possibility that the operating force may be increased.

[0005] Therefore, an object of the present invention is to eliminate the twisting of the double locking member and to ensure smooth operation.

[0006]

The technical measures taken in the present invention to solve the above technical problems include an open lever for operating a latch mechanism via a lift lever, and an open lever for operating the latch mechanism via the lift lever. A locking member disposed slidably with respect to the lift lever and the open lever, for engaging and disengaging transmission of an open operation force from the open lever to the lift lever, and a coaxial member with the open lever and the lift lever. A control lever rotatably supported above and disposed between the open lever and the lift lever, the control lever being disengaged from the open lever by the locking member; and a control lever interposed between the lift lever and the control lever. Slidably mounted on the control lever and the lift lever A double locking member for engaging and disengaging transmission of an open operation force from the control lever to the lift lever; and a double locking member when the double locking member is located at an engagement position with the lift lever and the control lever. A guide link that guides the double locking member so as to move about the rotation center axis of the open lever, the control lever, and the lift lever, and the double locking member that is linked to the guide link via the guide link. And a double locking lever that slides to an engagement position and a disengagement position with the lift lever and the control lever.

According to this technical means, when the opening operation force is transmitted from the control lever to the lift lever via the double locking member, the double locking member is moved by the rotation of the control lever and the lift lever. During rotation of the lift lever, the lift lever moves about the axis. Therefore, the twisting of the double locking member with respect to the control lever and the lift lever is eliminated, and a smooth operation can be ensured.

[0008] More preferably, an inside lever which is linked to the control lever and transmits an open operation force from the vehicle cabin side to the control lever, and the lift lever disposed between the lift lever and the locking member. And a cancel lever that transmits an open operation force to the locking member from above and slides the locking member from the disengaged position to the engaged position.

[0009] More preferably, the locking member is linked to the locking member and transmits a locking operation force on the vehicle cabin side to the locking member to slide the locking member to an engagement position with the control lever and a disengagement position. A locking lever that is linked to the locking lever and transmits a locking operation force outside the vehicle compartment to the locking member via the locking lever to slide the locking member to an engagement position and a disengagement position. When the locking member is slid from the disengaged position to the engaged position by the key lever and is engaged with the double locking lever, the double locking member is engaged from the disengaged position to the engaged position. It is preferable to have an engaging portion for performing a sliding operation toward

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a door lock device 1 provided on a vehicle door (not shown) has a base plate 2, a latch mechanism 3, a lever mechanism 4, and a double lock mechanism 8. It is configured.

As shown in FIG. 1, the base plate 2
Has an L-shaped field, and has a horizontal wall 21 and a vertical wall 22.

As shown in FIG. 2, the latch mechanism 3
The pole 32 and the latch 33 are mainly configured.

The pole 32 and the latch 33 are accommodated in a body 31 fixed to the horizontal wall 21 of the base plate 2, and are rotatably supported by the body 31 by pins 32a and 33a, respectively. The body 31 has an insertion groove 31a through which a striker 34 provided in a vehicle body (not shown) enters and exits in response to opening and closing operations of the vehicle door.
Are formed.

On the outer peripheral surface of the latch 33, there are formed a U-shaped groove 33b for receiving the striker 34 that has entered the insertion groove 31a of the body 31, and first and second engaging claws 33c and 33d capable of engaging and disengaging with the pawl 32. ing. The pawl 32 causes the first and second engaging claws 33 of the latch 33 to rotate due to the rotation thereof.
c, 33d. In the thus configured pawl 32 and latch 33, the pawl 32 and the first engaging claw 33 c of the latch 33 engage with the striker 34 received in the U-shaped groove 33 b of the latch 33, and the latch 33 The vehicle door is held in a completely closed state by the rotation operation being regulated by the pole 32, and the second engaging claw 33 d of the pole 32 and the latch 33 is held in a state where the striker 34 is received in the U-shaped groove 33 b of the latch 33. Are engaged and the rotation of the latch 33 is restricted by the pawl 32, thereby holding the vehicle door in a semi-closed state. The vehicle door is opened by rotating the pawl 32 to release the engagement of the latch 33 with the first and second engagement claws 33c and 33d.

As shown in FIG. 1, the lever mechanism 4 includes
It mainly includes a lift lever 41, a control lever 42, an open lever 43, a locking lever 44, a slide bush 45, a key lever 47, a cancel lever 48, and an inside lever 49.

The lift lever 41 is disposed on the horizontal wall 21 of the base plate 2, and is rotatably supported by a pin 32a for supporting the pawl 32 of the latch mechanism 3. The lift lever 41 has a fitting flange portion 41a and an engaging flange 41b. The fitting flange portion 41a allows the lift lever 41 to fit the pawl 32 and rotate integrally with the pawl 32.

The control lever 42 is disposed on the horizontal wall 21 similarly to the lift lever 41, and is rotatably supported by the pin 32a. The control lever 42 has an engagement flange 42 on one and the other arm portions, respectively.
a and 42b are formed. The engagement flange 42a is
When the control lever 42 is rotated in the counterclockwise direction (door opening direction) as shown in FIG.
b and transmits its rotation to the lift lever 41.
A support arm 42c for supporting the slide member 82 is formed on the control lever 42 so as to extend continuously from the engagement flange 42a.

The open lever 43 is connected to the lift lever 41
And the control plate 42 as well as the base plate 2
And is rotatably supported by a pin 32a that is disposed on the horizontal wall 21 and supports the pole 32 of the latch mechanism 3. The open lever 43 is provided with an outside handle (not shown) provided on one side of the arm outside the vehicle door.
Are connected to each other via an open rod (not shown). The open lever 43 has a pin portion 43a.

The locking lever 44 is disposed on the horizontal wall 21 of the base plate 2 and is rotatably supported on the horizontal wall 21 of the base plate 2 by pins 44a.
The locking lever 44 is connected to a lock knob provided on the vehicle interior side of the vehicle door, and is connected to the key lever 4.
7 is connected to a key cylinder mechanism (not shown) provided outside the vehicle door. In the other arm portion of the locking lever 44, an arc-shaped long hole 44b centering on the pin 32a is formed.

The slide bush 45 is slidably supported by the other arm of the open lever 43.
The slide bush 45 has a pin portion 45 a formed therein, and is slidably inserted into the elongated hole 44 b of the locking lever 44. Also, the slide bush 45 has
The control lever 4 is rotated by rotating the open lever 43.
A second engaging flange 42b is formed with an engaging projection 45b which is detachable. The slide bush 45 configured as described above allows the slot 44
open lever 43 through the insertion of the pin portion 45a and the pin portion 45a.
Of the control lever 42 with respect to the engagement flange 42b, and the engagement protrusion 45b is displaced from the engagement locus. As a result, the lever mechanism 4 creates an unlocked state and a locked state of the vehicle door. The locking lever 44 is urged by a turnover spring 50 disposed between the locking lever 44 and the base plate 2 to maintain the locked state and the unlocked state.

The key lever 47 is disposed on the surface of the horizontal wall 21 and is rotatably supported on the horizontal wall 21 of the base plate by a pin 44a for supporting the locking lever 44. The key lever 47 has an engagement protrusion 47a.
The engaging projection 47a is received by a notch 44c formed in the locking lever 44. Thus, the turning operation of the key lever 47 is transmitted to the locking lever 44 by the contact between the side wall surface of the notch 44 c and the engaging projection 47 a by the turning operation of the key lever 47. The key lever 47 has an engagement arm 47b extending therefrom.

The cancel lever 48 is swingably fitted to and supported by the locking lever 44 by a key-shaped pin portion 48a integrally formed with the cancel lever 48.
A long hole 48 is provided at the free end of the cancel lever 48.
b is formed, and the pin portion 43 of the open lever 43 is formed.
a is slidably inserted. In addition, an engagement protrusion 48c that can be engaged with and disengaged from the engagement flange 41b of the lift lever 41 is formed at the free end of the cancel lever 48 in parallel with the elongated hole 48b. The cancel lever 48 thus configured is swung with respect to the locking lever 44 by the rotation operation of the open lever 43, whereby the engagement protrusion 48 c is moved to the engagement flange 41 of the lift lever 41.
b on the locus of engagement or deviates from the locus of engagement. As a result, the locking operation according to the turning operation of the open lever 43, the so-called keyless locking operation, and the canceling of the locking operation are performed.

The inside lever 49 is rotatably supported on the horizontal wall 21 of the base plate 2 by a pin 49c. The inside lever 49 is connected to the control lever 42 via a link 56 by a cable (not shown).
Are connected to the inside handles (not shown) provided on the vehicle interior side of the vehicle door through the doors.

As shown in FIGS. 1 and 3, the double lock mechanism 8 mainly includes a double lock lever 81, a slide member 82, and a guide link 83.

The double lock lever 81 is disposed on the surface of the horizontal wall 21 and is rotatably supported on the horizontal wall 21 of the base plate 2 by pins 44a supporting the locking lever 44 and the key lever 47.

The slide member 82 is slidably supported by a support arm 42c of the front roll lever 42.
The slide member 82 has an engagement wall 82a that can be engaged with the engagement flange 41b of the lift lever 41 by the rotation operation of the control lever 42.

The guide link 83 has one end rotatably connected to the double lock lever 81 by a pin 83a and the other end rotatably connected to the slide member 82 by a pin 83b. The slide member 82 is connected.

With this configuration, the slide member 82
Is slid with respect to the support arm 42c of the control lever 42 via the guide link 83 by the rotation operation of the double lock lever 81, whereby the engagement wall 82a
Is located on the locus of engagement of the lift lever 41 with the engaging flange 41b or is displaced from the locus of engagement. As a result, the double lock mechanism 8 creates a double lock state in which the vehicle door cannot be opened and a double unlock state in which the vehicle door can be opened.

The guide link 83 has a shape that is bent in an inverted U-shape. When the double lock mechanism 8 creates the double unlocked state of the vehicle door, the pin 83 a
2a. Also, key lever 4
When the double lock mechanism 8 creates the double lock state of the vehicle door, the engagement arm portion 47 b of the lock lever 7 is positioned to be engageable with the double lock lever 81, and is engaged with the double lock lever 81 by rotating the key lever 47. It is supposed to. As a result, the double lock lever 81 is rotated by the rotation of the key lever 47 so as to change the vehicle door from the double lock state to the double unlock state.

Next, the operation will be described.

FIG. 1 shows an unlocked state and a double unlocked state of a vehicle door. When the outside handle is operated in this state, the open lever 43 is rotated counterclockwise in FIG. 1 via the open rod. When the open lever 43 rotates, the engagement protrusion 45b of the slide bush 45 engages with the engagement flange 42b of the control lever 42, and the control lever 42 rotates in the same direction as the open lever 43. When the control lever 42 rotates, the slide member 82 rotates the guide link 83 with the pin 8 together with the rotation of the control lever 42.
The engagement wall 82a moves while rotating around the center 3a.
Are engaged with the engagement flange 41b of the lift lever 41, and the lift lever 41 rotates in the same direction as the open lever 43. As a result, the pawl 32 rotates and the vehicle door in the closed state is opened. At this time, since the pin 83a of the guide link 83 is located on the pin 32a, the movement trajectory of the slide member 82 is a circular arc about the rotation center axis of the lift lever 41, the control lever 42, and the open lever 43. Become. Therefore, the twisting of the slide member 82 with respect to the control lever 42 and the lift lever 41 is eliminated, and a smooth operation is ensured. When the inside handle 5 is operated, the inside lever 49 is rotated counterclockwise as shown in FIG. 1 via the cable, and the control lever 42 is rotated counterclockwise as shown in FIG. When the control lever 42 rotates, the slide member 82
When the guide link 83 is rotated around the pin 83a with the rotation of the lift lever 2, the engagement wall 82a engages with the engagement flange 41b of the lift lever 41, and the lift lever 4
1 rotates in the same direction as the open lever 43. As a result, the pole 32 rotates and the vehicle door in the closed state is opened.

In FIG. 1, when the lock knob is operated to lock, the locking lever 44 is rotated clockwise as shown in FIG. When the locking lever 44 rotates, the slide bush 45 is slid with respect to the open lever 42. As a result, the engaging protrusion 45b of the slide bush 45 is disengaged from the locus of engagement when the open lever 43 with the engaging flange 42b of the control lever 42 is rotated, and the open lever 43 and the control lever 42 are swung. State. As a result, the unlocked vehicle door is locked. When the key cylinder mechanism is locked, the key lever 47 is rotated clockwise as shown in FIG. When the key lever 47 rotates,
The locking lever 44 is rotated clockwise as shown in FIG. 1 by the contact between the engagement protrusion 47 a and the side wall surface of the notch 44 c, and the slide bush 45 is slid with respect to the open lever 42. As a result, the engaging protrusion 45b of the slide bush 45 is disengaged from the locus of engagement when the open lever 43 with the engaging flange 42b of the control lever 42 is rotated, and the open lever 43 and the control lever 42 are swung. State. As a result, the unlocked vehicle door is locked.

When the inside handle 5 is operated in the locked state of the vehicle door, the front roll lever 42 and the lift lever 41 are rotated counterclockwise as shown in FIG. 1 to open the vehicle door. At this time, lift lever 4
The first engagement flange 41b is engaged with the engagement projection 48c of the cancel lever 48 to rotate the locking lever 44 in the counterclockwise direction shown in FIG. 1 so that the locked vehicle door is unlocked. Thus, a so-called one-motion operation is performed.

When the double lock lever 81 rotates clockwise as shown in FIG. 3 in the locked state of the vehicle door, the slide member 82 is slid to the right with respect to the control lever 42 via the guide link 83 as shown in FIG. .
As a result, the engaging wall 82a of the slide member 82 is disengaged from the locus of engagement when the control lever 42 is rotated with the engaging flange 41b of the lift lever 41, and the control lever 42 and the lift lever 41 swing free. (FIG. 4). As a result, the vehicle door enters the double lock state.

When the double lock lever 81 is rotated counterclockwise as shown in FIG. 4 in the double lock state of the vehicle door, the slide member 82 moves relative to the control lever 42 via the guide link 83 as described above. On the contrary, it is slid to the left as shown in FIG. As a result, the engagement wall 82a of the slide member 82 is positioned on the engagement locus when the control lever 42 with the engagement flange 41b of the lift lever 41 is rotated, and the control lever 42 and the lift lever 41 is in a state of rotating together (shown in FIG. 3). As a result, the vehicle door enters the double unlocked state.

When the key lever 47 is rotated counterclockwise in FIG. 4 in the double lock state of the vehicle door,
The engagement arm portion 47b engages with the double lock lever 81 to rotate the double lock lever 81 counterclockwise in FIG. When the double lock lever 81 rotates, the slide member 82 is slid to the control lever 42 to the left as shown in FIG. Thereby, the engagement wall 82a of the slide member 82
Is located on the engagement locus when the control lever 42 with the engagement flange 41b of the lift lever 41 is rotated, so that the control lever 42 and the lift lever 41 rotate together ( FIG. 3). result,
The vehicle door enters the double unlocked state.

[0037]

According to the present invention, when the double locking member is provided with a guide link which is linked to the double locking lever, and when the opening operation force is transmitted from the control lever to the lift lever via the double locking member, the double locking member is not moved. Since the control lever and the lift lever are moved around the axis during the rotation of the control lever and the lift lever,
The twisting of the double locking member with respect to the control lever and the lift lever can be eliminated, whereby a smooth operation can be ensured.

[Brief description of the drawings]

FIG. 1 is a front view of a vehicle door lock device according to the present invention.

FIG. 2 is a front view of a latch mechanism of the vehicle door lock device according to the present invention.

FIG. 3 is a front view showing a double lock mechanism of the vehicle door lock device according to the present invention in a double lock released state of the vehicle door.

FIG. 4 is a front view showing a double lock mechanism of the vehicle door lock device according to the present invention in a double locked state of the vehicle door.

[Explanation of symbols]

 Reference Signs List 3 latch mechanism 41 lift lever 42 control lever 43 open lever 44 locking lever 45 slide bush (locking member) 47 key lever 48 cancel lever 49 inside lever 81 double locking lever 82 slide member (double locking member) 83 guide link 47b engaging arm portion (Engagement part)

Claims (3)

[Claims] An open lever for operating a latch mechanism via a lift lever; and an open lever slidably disposed between the lift lever and the open lever with respect to the lift lever and the open lever. A locking member for engaging and disengaging transmission of an open operation force to the lift lever; a locking member rotatably supported coaxially with the open lever and the lift lever; and a locking member disposed between the open lever and the lift lever. A control lever disengaged from the open lever by the locking member; and a control lever slidably disposed between the lift lever and the control lever with respect to the control lever and the lift lever, from the control lever to the lift lever. Disengage transmission of open operating force When the double locking member is located at the engagement position with the lift lever and the control lever, the double locking member is moved about the rotation center axis of the open lever, the control lever and the lift lever. A guide link that guides the double locking member to perform a moving operation, and the double locking member that is linked to the guide link moves to an engagement position and a disengagement position with the lift lever and the control lever via the guide link. And a double locking lever for sliding operation. 2. An inside lever, which is linked to the control lever and transmits an open operation force from the vehicle cabin to the control lever, and is disposed between the lift lever and the locking member. 2. A cancel lever for transmitting an open operation force to the locking member to slide the locking member from the disengaged position to the engaged position.
The vehicle door lock device as described in the above. 3. A locking device that is linked to the locking member and transmits a locking operation force on the vehicle cabin side to the locking member to slide the locking member to an engagement position with the control lever and a disengagement position. A lever, which is linked to the locking lever, transmits a locking operation force outside the vehicle compartment to the locking member via the locking lever, and slides the locking member to the engagement position and the disengagement position, and a key lever. When the locking member is slid from the disengaged position to the engaged position by the key lever, the locking member is engaged with the double locking lever to move the double locking member from the disengaged position to the engaged position. 2. An engaging portion for performing a sliding operation.
The vehicle door lock device as described in the above.