JP2002129802A - Door lock actuator for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items to simplify the structure in a door lock actuator for vehicle having super-lock function. SOLUTION: An engagement and disengagement lever 28 is supported by an operation lever 20 connected to a door lock body 1. This lever 28 can be moved to an interlocking position allowing the mutual transmission of the operating forces of the operation lever 20 and a knob lever 16 to which the operating force of a lock knob provided on the interior side of a vehicle is transmitted by being engaged with the knob lever 16, and to a separating position where the transmission of the unlocking operating force from the knob lever 16 to the operation lever 20 is impossible by being separated from the knob lever 16.

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 actuator.

[0002]

2. Description of the Related Art As a door lock actuator for a vehicle, for example, as disclosed in Japanese Patent Application Laid-Open No. 9-195601, a door lock is operated by operating a super lock motor by remote control such as keyless entry from outside the vehicle. A device having a so-called super-lock function, which locks the device and prevents the door lock device from being unlocked even if the lock knob provided in the vehicle compartment is unlocked incorrectly, is known. Have been.

[0003]

However, in the above-described vehicle door lock actuator, a lock operating lever for setting the door lock device to a locked state and an unlocked state, and a free lever to which the operating force of the lock knob is transmitted. When,
A connecting lever connecting the lock operation lever and the free lever, a pin connecting the free lever and the connecting lever,
Since it is composed of a super-lock lever that switches and enables transmission of an unlocking operation force from the free lever to the lock operation lever and transmission of the unlock operation force, the number of parts is large and the configuration is complicated.

The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide a vehicle door lock actuator capable of reducing the number of parts and simplifying the configuration. The purpose is.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) A knob lever to which the operating force of a lock knob provided inside the vehicle is transmitted, an operating lever movable between an unlocked position where the door lock body is unlocked and a locked position where the door lock body is locked, A linking position that is supported by a lever and engages with the knob lever, whereby the operating force of the operating lever and the knob lever can be transmitted to each other; and by detaching from the knob lever, the knob lever moves from the knob lever to the operating lever. An unlocking lever that can be moved to a release position at which the unlocking operation force of the lock lever cannot be transmitted, and a superlock motor that moves the unlocking lever to a release position where the engagement lever is linked and a superlock position where the release lever is released. A movable switching lever.

(2) In the above item (1), the knob lever and the operating lever are provided coaxially and rotatably.

(3) In the above item (1) or (2), the knob lever is slidably engaged with an elongated hole provided in the operating lever, and is rotated from the locked position to the unlocked position. While swinging against the disengagement lever at the release position,
By sliding in the elongated hole, it also swings against the operating lever, making it impossible to transmit the unlocking operation force to the operating lever, and further, by engaging with the engaging / disengaging lever at the link position, The operating lever has a projection capable of transmitting an unlocking operation force.

(4) In any one of the above items (1) to (3), the operating lever is linked so that the operating force of a key cylinder provided on the outside of the vehicle can be transmitted.
In the locked position of the operating lever, the operating lever is engaged with the switching lever in the super lock position to hold the operating lever in the release position, and when the operating lever is moved from the locked position to the unlocked position, the operating lever is released from the switching lever. The release lever can be moved from the release position to the linkage position.

(5) In the above item (4), the engagement lever is biased from the disengagement position to the engagement position by a spring.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In the following description, the left side in FIG. 1 is referred to as “inside” of the vehicle, the right side is “outside”, the left side in FIG. 2 is “front”, and the right side is “rear”.

(1) A door lock body which is fixed to a side panel of a door of an automobile with a plurality of bolts (not shown).
A striker fixed to the vehicle body as the door opens and closes
(Not shown) and a latch (not shown) that can be engaged and disengaged, and an engaging member (not shown) that engages with the latch to prevent rotation of the latch and restrain the door at the closed position, Each is rotatably accommodated.

An open lever (3) is pivotally attached to the front surface of the body (2) and is rotatable integrally with the engaging member. The open lever is rotated in the open direction (clockwise in FIG. 1). Thereby, the engagement between the engagement member and the latch can be released, and the door can be opened.

(4) is an outside lever pivotally attached to the front surface of the body (2) with a shaft (5). The outside end of the outside lever is connected to the outside of the door via a rod (not shown). , And is turned in the opening direction (clockwise in FIG. 1) by an opening operation of the outside handle.

(6) A locking and unlocking mechanism for locking and unlocking the door lock body (1).
A first key lever (8) pivotally connected with (7) and having a connecting hole (8a) connected via a rod (not shown) to a key cylinder (not shown) provided on the vehicle exterior side of the door; An operating force of a lock knob (not shown) provided on the vehicle interior side of the door, being pivotally mounted on the same axis as the first key lever (8) and linked with the first key lever (8) through a predetermined play. The second key lever (9) that can be input, and the upper part is the outside lever
And a sub-lever (10) slidably engaged with a projection (9a) provided on the second key lever (9) via an elongated hole (10a). I have.

The sub lever (10) is an outside lever.
While being moved downward by the open operation of (4),
It has a release part (10b) that can be disengaged from an engagement part (3a) provided on the open lever (3).

In the locked state of the locking / unlocking mechanism (6), the second key lever (9) and the sub-lever (10) are each moved as shown in FIG.
In the locked position shown in the figure, the sub-lever (1) is opened via the outside lever (4) by the opening operation of the vehicle outer handle.
Even if the (0) is moved downward, the release part (10
b) swings over the engaging portion (3a) of the open lever (3),
I can't open the door.

When the key cylinder is unlocked in the locked state of the locking and unlocking mechanism (6), the second key lever (9) is rotated clockwise by a predetermined amount from the locked position via the first key lever (8). The unlocking mechanism (6) can be unlocked by moving the unlocking mechanism (6) to the unlocked position that has been moved and to the unlocking position in which the sub-lever (10) has rotated counterclockwise by a predetermined amount from the locking position. .

In the unlocked state of the locking / unlocking mechanism (6), the outside lever is operated by opening the outside handle.
By moving the sub-lever (10) downward through (4), the release portion (10b) of the sub-lever (10) engages with the engaging portion (3a) of the open lever (3), and Lever (3)
Can be turned in the opening direction to open the door.

Reference numeral (11) denotes a vehicle door lock actuator mounted on the door lock body (1). The housing (1) is fixed to the base plate (12) of the door lock body (1).
In 3), a locking / unlocking motor (14) and a super lock motor (15) are provided. (13a) is the housing (13)
Cover. FIG. 2 shows the housing (1
In order to explain the internal structure in 3), the cover (13b) is removed.

The operation of an operation switch provided near the driver's seat causes the locking / unlocking motor (14) to rotate in a predetermined direction, and the operation of a remote control switch incorporated in a key or the like causes the operation of the locking / unlocking switch. Motor (14) and the motor for super lock (15) are controlled to rotate in a predetermined direction.

Numeral (16) is a knob lever which is pivotally mounted on the housing (13) with the shaft (17) and can transmit an operating force from the lock knob, and is arranged outside the housing (13) and provided at the free end. A first knob lever (18) in which the connection hole (18a) is connected to the lock knob via a connection member (not shown);
(13) A second knob lever (19) mounted on a shaft (17) so as to rotate integrally with the first knob lever (18).
And The free end of the second knob lever (19) is provided with a projection (19a) projecting forward.

The knob lever (16) can be moved between a locked position shown in FIG. 2 and an unlocked position shown in FIG. 3 by rotating a predetermined amount counterclockwise from the locked position by locking and unlocking the lock knob. is there.

(20) is a shaft (21) coaxial with the knob lever (16).
An operating lever which is pivotally attached to the housing (13) and can transmit an operating force to the locking / unlocking mechanism (6) mutually.
3) a connecting portion of the second key lever (9) of the locking / unlocking mechanism (6) via a link (22) disposed outside and pivotally attached to the free end;
(9b) and a first operating lever (23) connected to the housing (1
And a second operating lever (24) fitted to the shaft (21) so as to be able to rotate integrally with the first operating lever (23).

The free end of the second operating lever (24) has a shaft (21)
An arc-shaped long hole (24a) having the center as the center is provided. The projection (19a) of the second knob lever (19) is provided in this long hole (24a).
If the knob (16) is moved in the unlocking direction by operating the lock knob, slide in the slot (24a) so as not to transmit the unlocking operation force to the operating lever (20). When the lock lever is turned to the position shown in FIG. 5, the lock lever is engaged with the upper end of the elongated hole (24a) so as to transmit the locking operation force to the operation lever (20).

(24b) is an elastic arm extending in a bow shape from the free end of the second operating lever (24), and the tip of the elastic arm is resilient to the cam (13b) provided on the housing (13). The contact lever holds the operating lever (20) in the locked position and the unlocked position by the elastic pressure.

A worm wheel (25) is pivotally mounted on the housing (13) and is rotatable forward and reverse by rotation of a locking / unlocking motor (14). A worm wheel (26) moves the worm wheel (25) to a neutral position. The biasing spring (27) is a link disposed between the operating lever (20) and the worm wheel (25).

The link (27) has an upper end pivotally connected to a shaft hole (24c) of the operating lever (20) with a shaft (27a), and a projection (27b) at the lower end of the link (27) has a worm wheel (25). The operating lever (20) is locked and unlocked by being slidably engaged with the arc groove (25a) formed on the side surface and moved up and down by rotation from the neutral position of the worm wheel (25). Can be moved to a position.

The projection (27b) of the link (27) is formed in an arc groove (25a).
In the unlocking direction when the operating lever (20) is in the unlocking position, and in the locking direction when the operating lever (20) is in the unlocking position, respectively, it corresponds to the unlocking stroke of the operating lever (20). It is slidably engaged with play.

Reference numeral (28) denotes an engaging / disengaging lever having a lower end pivotally connected to the operating lever (20) with the shaft (27a). The upper edge of the engaging / disengaging lever receives the unlocking operation force from the knob lever (16). 20) so that the protrusion (19) of the knob lever (16)
a) and an arcuate engaging portion (28
a) is provided.

As shown in FIG. 2, the engaging / disengaging lever (28) engages with the engaging portion (28a) of the projection (19a) to apply the unlocking operation force from the knob lever (16) to the operating lever (28). As shown in FIG. 4, the engaging portion (28a) is disengaged from the projection (19a), and the unlocking operation force from the knob lever (16) is transmitted to the operating lever (20). ) Can be moved to and from the disengagement position where transmission is disabled.

A spring (29) biases the engagement / disengagement lever (28) toward the engagement position. The spring is wound around the shaft (21), and has one end on the operating lever (20) and the other end on the engagement lever. It is engaged with the release lever (28).

A switching lever (30) is pivotally mounted on the housing (13) with a shaft (31). On the upper edge, a switching lever (15a) fixed to the rotation shaft of the motor (15) for super lock is provided. A tooth part (30a) to be meshed, and a pin-shaped push part (30b) that can be disengaged from an engaging part (28b) provided on the disengagement lever (28) at the lower end part.
Are provided respectively.

The switching lever (30) is moved by the rotation of the super-lock motor (15), as shown in FIG. 2, mainly as shown in FIG. As shown, the pressing portion (30b) is engaged with the engaging portion (28b), and is movable to a super lock position for holding the engagement / disengagement lever (28) at the disengagement position.

When the operating lever (20) is in the locked position, the engaging portion (28b) of the engaging / disengaging lever (28) pushes the pressing portion of the switching lever (30).
(30b), and when the operating lever (20) moves to the unlocking position, it moves out of the movement locus of the pusher (30b) and separates from the pusher (30b). ing.

Next, the operation of the vehicle door lock actuator having the structure of the above embodiment will be described.
As shown in FIG. 3, the operating lever (20) and the knob lever (16)
In the unlocked state where is in the unlocked position, the locking and unlocking mechanism (6)
Is unlocked, and the door can be opened by operating the outside handle or the inside handle.

In the unlocked state, when the locking / unlocking motor (14) is rotated in a predetermined direction by the locking operation of the operation switch in the vehicle, the worm wheel (25) is rotated clockwise to link (27). Is moved upward, the engaging portion (28a) of the engagement / disengagement lever (28) engages with the projection (19a) of the knob lever (16), and the knob lever (16) and the operating lever (20) Are moved to the locking positions shown in FIG.

In the unlocked state, when the lock knob is operated from the inside of the vehicle, the projection (19a) of the knob lever (16) engages with the upper end of the long hole (24a) of the operating lever (20).
The knob lever (16) and the operating lever (20) are moved to the locked position.

In the unlocked state, when the key cylinder is operated from outside the vehicle, the locking / unlocking mechanism of the door lock body (1).
(6) Via the link (22), the knob lever (16) and the operating lever (20) are each moved to the locked position.

As shown in FIG. 2, in the locked state where the knob lever (16) and the operating lever (20) are in the locked position, the locking / unlocking mechanism (6) is in the locked state, and the outer handle and the inner handle are connected. Even if operated, the door cannot be opened.

In the locked state, when the lock knob is unlocked from inside the vehicle, the protrusion (19a) of the knob lever (16) engages with the engagement portion (28a) of the engagement / disengagement lever (28), thereby turning the knob lever. (16) and the operating lever (20) can be moved from the locked position to the unlocked position to put the locking and unlocking mechanism (6) in the unlocked state.

In the unlocked state, when the remote control switch is operated from outside the vehicle, the knob lever is driven by the locking / unlocking motor (14) via the worm wheel (25) and the link (27).
(16) and the operating lever (20) are moved from the unlocking position to the locking position to lock the locking / unlocking mechanism (6), and then the switching lever (30) is released by the super-lock motor (15). From the position to the super lock position, and by the engagement of the pressing portion (30b) and the engaging portion (28b), the engagement lever (28) is moved to the release position as shown in FIG. It can be in a locked state.

In the super lock state, the engaging portion (28a) of the engagement / disengagement lever (28) is outside the movement locus of the protrusion (19a) of the knob lever (16).
Even when the knob lever (16) is moved from the locked position to the unlocked position, as shown in FIG. 5, the protrusion (19a) swings the engaging portion (28a) and slides through the long hole (24a). Therefore, the unlocking operation force from the knob lever (16) cannot be transmitted to the operating lever (20). Therefore, even if the lock knob is unlocked by misconduct, the door cannot be opened by setting the locking / unlocking mechanism (6) to the unlocked state.

When the remote control switch is unlocked in the super lock state, the super lock motor (1) is released.
By moving the switching lever (30) from the super lock position to the release position according to 5), the engagement / disengagement lever (28) is moved to the linkage position by the urging force of the spring (29), and the locked state shown in FIG. Becomes Next, by the locking and unlocking motor (14),
The knob lever (16) and the operating lever (20) are moved to the unlock position via the worm wheel (25) and the link (27).

When the key cylinder is unlocked from outside the vehicle in the super lock state, the knob lever (16) and the operating lever (20) are moved to the state shown in FIG. 6 via the locking / unlocking mechanism (6) and the link (22). As shown, while moving from the locked position to the unlocked position, the engagement / disengagement lever (28) disengages the engagement portion (28b) from the pressing portion (30b) of the switching lever (30), and the spring (29) Moves to the linking position by the urging force of. Thus, the knob lever (16)
Then, the operating lever (20) moves from the locked position to the unlocked position, and the engagement / disengagement lever (28) moves from the disengaged position to the linked position, so that the super locked state is released.

Therefore, due to a dead battery or the like,
Even if the super lock state cannot be released by the super lock motor (15), the super lock state can be forcibly released by moving the operating lever (20) to the unlock position by operating the key cylinder.

[0046]

According to the present invention, the following effects can be obtained. (A) According to the first aspect of the present invention, an engagement position in which the operating force of the operating lever and the knob lever can be mutually transmitted by engaging the disengaging lever supported by the operating lever with the knob lever; By releasing from the knob lever, it can be moved to the release position where the unlocking operation force from the knob lever to the operating lever can not be transmitted, and the simple operation ensures the unlocking operation of the door lock body due to fraud. Can be prevented.

(B) According to the second aspect, in addition to the effect of the first aspect, the size of the vehicle door lock actuator can be reduced.

(C) According to the third aspect of the invention, in addition to the effect of the first or second aspect, the unlocking operation force from the knob lever to the operating lever can not be transmitted or can be transmitted with a simple configuration. And a reliable operation can be obtained.

(D) According to the fourth aspect of the invention, in addition to the effects of the first to third aspects, even if the super lock motor cannot be released from the super lock state by a super lock motor due to a dead battery or the like. By moving the operating lever to the unlocking position by operating the key cylinder, the super lock state can be forcibly released, and the quality can be improved.

(E) According to the fifth aspect of the invention, in addition to the effect of the fourth aspect, it is possible to surely move the engagement / disengagement lever to the linkage position, prevent erroneous operation, and ensure reliable operation. Obtainable.

[Brief description of the drawings]

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

FIG. 2 is a front view of one embodiment of a vehicle door lock actuator according to the present invention.

FIG. 3 is an explanatory view showing an operation of a vehicle door lock actuator in an unlocked state.

FIG. 4 is an explanatory view showing an operation of a vehicle door lock actuator in a super lock state.

FIG. 5 is an explanatory view showing an idle swing of the knob lever in a super lock state showing the operation of the vehicle door lock actuator.

FIG. 6 is an explanatory view showing the operation of the vehicle door lock actuator and the forcible release in the super lock state.

FIG. 7 is an exploded front view of the vehicle door lock actuator.

8 is a cross-sectional plan view along the line VIII-VIII in FIG.

FIG. 9 is a vertical sectional side view along the line IX-IX in FIG. 2;

[Explanation of symbols]

 (1) Door lock body (2) Body (3) Open lever (3a) Engagement part (4) Outside lever (5) Shaft (6) Locking / unlocking mechanism (7) Shaft (8) First key lever (8a) Connection hole (9) Second key lever (9a) Projection (9b) Connection part (10) Sub lever (10a) Slot (10b) Release part (11) Vehicle door lock actuator (12) Base plate (13) Housing (13a) Cover (13b) Cam (14) Locking / unlocking motor (15) Super lock motor (15a) Worm (16) Knob lever (17) Shaft (18) 1st knob lever (18a) Connection hole (19) 2nd knob lever ( 19a) Projection (20) Operating lever (21) Shaft (22) Link (23) First operating lever (24) Second operating lever (24a) Long hole (24b) Elastic arm (24c) Shaft hole (25) Worm wheel (25a) Arc groove (26) Spring (27) Link (27a) Shaft (27b) Projection (28) Disengagement lever (28a) Engagement part (28b) Engagement part (29) Spring (30) Switching Lever (30a) Tooth (30b) Push (31) Shaft

Claims (5)

[Claims] 1. A knob lever to which an operating force of a lock knob provided inside a vehicle is transmitted, an operating lever movable between an unlocked position where the door lock body is unlocked and a locked position where the door lock body is locked, An interlocking position that is supported by the operating lever and engages with the knob lever, whereby the operating force of the operating lever and the knob lever can be transmitted to each other;
A disengagement lever that can be moved to a disengagement position where disengagement of the unlocking operation force from the knob lever to the operating lever by disengaging from the knob lever, and a superlock motor moves the engagement and disengagement lever to the linkage position. A door lock actuator for a vehicle, comprising: a switching lever that is movable between a release position and a super lock position that is a release position. 2. The vehicle door lock actuator according to claim 1, wherein the knob lever and the operating lever are rotatably provided coaxially. 3. A knob lever is slidably engaged with an elongated hole provided in an operation lever, and swings from an unlocking position to an unlocking position by rotation from a locking position to an unlocking position. At the same time, by sliding in the elongated hole, the actuating lever is also swung, so that the unlocking operation force cannot be transmitted to the actuating lever, and furthermore, the engaging lever is in an interlocking position. The vehicle door lock actuator according to claim 1, further comprising a projection configured to transmit an unlocking operation force to the operation lever. 4. An operating lever is linked so that an operating force of a key cylinder provided outside the vehicle can be transmitted, and an engaging / disengaging lever is linked to a switching lever in a super lock position in a locked position of the operating lever. The operating lever is moved from the locking position to the unlocking position to be released from the switching lever, and the engaging lever can be moved from the releasing position to the interlocking position. Item 4. The vehicle door lock actuator according to any one of Items 1 to 3. 5. The door lock actuator for a vehicle according to claim 4, wherein the engagement / disengagement lever is biased by a spring from the disengagement position to the engagement position.