JP4188739B2 - Vehicle door latch actuator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle door latch actuator that can be in a so-called double-locked state in which the unlocking operation of a lock knob provided on the inside of the vehicle is disabled in a state in which the locking / unlocking means of the latch unit is in the locked state.
[0002]
[Prior art]
Conventionally, in the vehicle door latch actuator as described above, the locking / unlocking means of the latch unit that can be engaged with and disengaged from the striker fixed to the vehicle body by the locking / unlocking motor is operated by opening the door handle provided on the door. It is possible to switch between the unlocked state that allows the door to open and the unlocked state that makes it impossible, and is provided inside the door of the door with the other locking mechanism in the locked state. The operation force transmission path between the lock knob for locking / unlocking operation and the locking / unlocking means is cut so that the unlocking operation of the lock knob is not transmitted to the locking / unlocking means (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-129808
[Problems to be solved by the invention]
However, since the vehicle door latch actuator as described above requires two motors, that is, a locking / unlocking motor and a double locking motor, the cost is increased and the structure is disadvantageous.
[0005]
An object of the present invention is to provide a vehicle door latch actuator that can be brought into a double-locked state by a single motor in view of the above-described problems of the prior art.
[0006]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) In the vehicle door latch actuator connected to the latching / unlocking means of the latch unit, the casing attached to the latch unit has a motor capable of rotating in the forward and reverse directions and an operating force of a lock knob for locking / unlocking operation provided inside the vehicle. Is transmitted to the rotating body through play corresponding to the operation stroke of the knob lever, and a rotating body that can be rotated in a unlocking direction and a locking direction from a predetermined neutral position by the motor. In conjunction with the rotation of the rotating body in the unlocking direction, the unlocking means is moved to the unlocking position in the unlocked state, and the rotating body is rotated in the locking direction, An operating lever movable to a locking position where the locking / unlocking means is locked; and provided on the operating lever, and when the operating lever is in the locking position, As the rotary body rotates in the locking direction, the unlocking operation force of the knob lever is applied to the operation lever from the engaged state in which the operation force can be transmitted between the knob lever and the operation lever. An engagement / disengagement means displaceable to a disengagement state incapable of transmission, and the engagement / disengagement means being held in the disengagement state by disengaging the engagement / disengagement means from the engagement state to the disengagement state. Possible holding levers are provided.
[0007]
(2) In the above item (1), the engagement / disengagement means includes a first engagement / disengagement lever pivotally attached to the operation lever and having a hook portion that can be engaged / disengaged with respect to the engagement portion provided on the knob lever; When the lever is pivotally attached and the operating lever is in the locked position, the rotating body rotates in the locking direction to engage the engaging portion provided in the rotating body, and the first engaging / disengaging lever is A second engaging / disengaging lever that is movable in a direction in which the hook portion is disengaged from the engaging portion of the knob lever;
[0008]
(3) In the above item (2), the holding lever is pivotally attached to the first engagement / disengagement lever and has an engaging portion that can come into contact with a stopper provided on the casing, and the engaging portion is the stopper. The engagement / disengagement means can be held in the disengaged state.
[0009]
(4) In any one of the above items (1) to (3), the operating lever is linked to the key cylinder so that the operating force of the key cylinder provided on the outside of the vehicle can be transmitted. With the movement from the locking position to the unlocking position, the engagement / disengagement means returns from the disengagement position to the engagement position.
[0010]
(5) In any one of the above items (1) to (4), the engaging / disengaging means is urged toward the engaged state by a spring provided between the operating lever and the engaging / disengaging means.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a front view of a latch unit (1) fixed with a plurality of bolts (not shown) in a door of an automobile. The body (2) of the latch unit (1) is connected to the body as a meshing means. Along with opening and closing, a striker (not shown) fixed to the vehicle body side and a latch (not shown) that can be engaged and disengaged, and by engaging with this latch, the latch is prevented from rotating and the door is closed. Engaging members (not shown) to be held in the housing are rotatably accommodated.
[0013]
On the front side of the body (2) (the front side in FIG. 1), the body (2) can rotate integrally with the engaging member, and can rotate in the release direction (clockwise in FIG. 1). The release lever (3) that releases the engagement with the striker and enables the door to be opened, is pivotally attached to the pivot (5), and the connecting portion (4a) is connected to the door via a cable (not shown). An outside lever (4) connected to an outside handle (not shown) for opening the door provided on the outside of the vehicle, and a locking / unlocking lever (8) and a sub-lever (9) as locking / unlocking means are provided. ing.
[0014]
The locking / unlocking lever (8) is pivotally attached to the upper portion of the body (2) by a pivot (7), and the unlocking position shown in FIG. 1 and rotated from the locking position by a predetermined angle counterclockwise in FIG. And can be moved.
[0015]
The sub-lever (9) has a lower end portion pivotally attached to the outside lever (4) by a pivot (9c) and an upper portion provided on the lower end portion of the locking / unlocking lever (8) through a long hole (9a). (8b) is slidably fitted and when the locking / unlocking lever (8) is in the locking position, it is in the locking position shown in FIG. 1, and when the locking / unlocking lever (8) is in the unlocking position, From the locked position, it can move to the unlocked position rotated to the right by a predetermined angle around the pivot (9c).
[0016]
In the following description, the state where both the locking / unlocking lever (8) and the sub-lever (9) are in the unlocking position is defined as the unlocking state of the locking / unlocking means (8) (9). The state in which the lever (8) and the sub-lever (9) are both in the locked position is defined as the locked state of the locking / unlocking means (8) (9).
[0017]
When the locking / unlocking means (8) (9) is in the unlocked state, the outside lever (4) is rotated in the release direction (counterclockwise in FIG. 1) by opening the outside handle. Along with this, the sub-lever (9) moves downward, and the release portion (9b) engages with the engaging portion (3a) provided on the release lever (3) from above, and the release lever (3) Can be rotated in the release direction to open the door.
[0018]
When the locking / unlocking means (8) (9) is in the locked state, the outside lever (4) is rotated in the release direction by moving the outside handle to move the sub lever (9) downward. However, since the release portion (9b) of the sub lever (9) is swung with respect to the engagement portion (3a) of the release lever (3), the release lever (3) cannot be rotated in the release direction. Can't open the door.
[0019]
FIG. 2 shows a side view of the actuator (10). The actuator (10) has a casing (11) made of synthetic resin, and latches the rear side of the casing (11) (left side in FIG. 2) and the front side of the latch unit (1) facing each other. The unit (1) is fixed to the latch unit (1) so as to cover the front side of the body (2) including the locking / unlocking means (8), (9), the outside lever (4) and the like.
[0020]
The casing (11) has a function of accommodating various components described later in the actuator (10) and a function of a waterproof and anti-theft cover for the latch unit (1). The side surface of the casing (11) facing the indoor side (the front side in FIG. 2) is closed by a cover (11a) (shown in FIG. 8). FIG. 2 shows a state in which the cover (11a) is removed in order to show the internal structure of the actuator (10).
[0021]
(12) is a forward / reverse rotatable motor housed in the casing (11), which is predetermined by the locking and unlocking operation of the locking and unlocking operation switch and the remote control key switch provided near the driver's seat. It is controlled to rotate in the direction.
[0022]
(13) is a worm wheel that is pivotally mounted in the casing (11) by the pivot shaft (13a) and forms a rotating body that meshes with the worm (12a) provided on the rotation shaft of the motor (12). As a result of the forward rotation, the engagement portion (13c) provided on the side surface of the engagement portion 13c is moved counterclockwise (hereinafter referred to as the unlocking direction) from the neutral position at the position shown in FIGS. Can be rotated by approximately 90 degrees from the neutral position by rotating the motor (12) in the reverse direction (hereinafter referred to as the locking direction) and rotated in each direction. After the movement, it is returned to the neutral position by the urging force of a spring (not shown).
[0023]
(14) is an inside lever pivotally mounted in the casing (11) by the pivot (14c), and the connecting portion (14a) is provided on the inner side of the door via a connecting member (not shown) such as a cable. It is connected to an inside handle (not shown) for opening the door, and when the inside handle is operated to open, it rotates in the release direction (counterclockwise) from the standby position shown in FIGS. The engaging portion (14b) provided at the end portion is engaged with the engaged portion (4b) of the outside lever (4), and the outside lever (4) can be rotated in the release direction.
[0024]
(15) is a knob lever pivotally mounted in the casing (11) with the pivot (16), and the locking part (15a) is provided on the inner side of the door via a connecting member (not shown) such as a cable. By being connected to a lock knob for operation (not shown), the locking / unlocking operation force of the lock knob is transmitted, and it is possible to move to the locking position shown in FIGS. 2, 4 and 7 and the unlocking position shown in FIG. In addition, the free end portion is provided with an engaging portion (15b) that protrudes toward the inside of the vehicle.
[0025]
(17) is an actuating lever supported in the casing (11) so as to be slidable in the vertical direction. In the connecting hole (17a) provided on the side facing the locking / unlocking lever (8), the locking / unlocking lever ( 8), the locking position shown in FIGS. 2, 4 and 7 is synchronized with the movement of the locking / unlocking lever (8) to the locking position and the unlocking position. It is connected with the locking / unlocking lever (8) so that it can move to the unlocking position shown in FIG. The connecting portion (8a) of the locking / unlocking lever (8) is fitted into the connecting hole (17a) when the casing (11) of the actuator (10) is attached to the latch unit (1).
[0026]
Below the operating lever (17), only when the operating lever (17) moves from the locked position to the unlocked position, i.e. only when the knob lever (15) moves from the unlocked position to the locked position, A step portion (17b) capable of contacting the engaging portion (15b) of the knob lever (15) is provided.
[0027]
A rack (18) that meshes with a pinion (13b) provided integrally with the worm wheel (13) is provided on the upper portion of the operating lever (17). The rack (18) has a groove provided in the upper part of the operating lever (17) so as to have a play corresponding to the operating stroke between the locking position and the unlocking position of the knob lever (15) with respect to the operating lever (17). (17e) is slidably fitted in the vertical direction. Thus, the operating lever (17) is linked to the worm wheel (13) via play corresponding to the operating stroke of the knob lever (15).
[0028]
The operating lever (17) is provided with a first engaging / disengaging lever (19) and a second engaging / disengaging lever (20), engaging levers, a holding lever (21), and a spring (22).
[0029]
The first engagement / disengagement lever (19) is pivotally attached to the shaft portion (17c) provided substantially at the center of the operation lever (17), and the hook portion (19a) provided at the lower end portion is connected to the knob lever (15). 2, 3, and 7, which engages with the engaging portion (15 b), and a disengagement position, shown in FIGS. 4 and 5, that disengages from the engaging portion (15 b). ing.
[0030]
When the first engagement / disengagement lever (19) is in the engagement position, the engagement portion (15b) of the knob lever (15) is connected to the stepped portion (17b) of the operation lever (17) and the first engagement / disengagement lever (19). By engaging with the hook portion (19a), the operating lever (17) and the knob lever (15) are linked so that the operating force can be transmitted to each other. Further, when the first engagement / disengagement lever (19) is in the disengagement position, the unlocking operation force of the knob lever (15) cannot be transmitted to the operation lever (17).
[0031]
The second engagement / disengagement lever (20) is pivotally mounted on the same axis (17c) as the first engagement / disengagement lever (19), and is engaged with the worm wheel (13) when the operation lever (17) is in the locked position. An arm part (20a) that enters the movement locus of the joint part (13c) and a protrusion (20b) that can come into contact with the protrusion (19b) provided on the first engagement / disengagement lever (19) are provided. .
[0032]
The arm portion (20a) of the second engagement / disengagement lever (20) is when the worm wheel (13) is rotated in the locking direction from the neutral position, and when the worm wheel (13) is rotated in the locking direction and then returned to the neutral position. The worm wheel (13) can come into contact with the engaging portion (13c).
[0033]
The second engaging / disengaging lever (20) is configured such that the arm portion (20a) contacts the engaging portion (13c) of the worm wheel (13) with respect to the rotation of the worm wheel (13) in the locking direction. The first engagement / disengagement lever (19) shown in FIGS. 2, 3 and 7 is rotated so as to be moved from the engagement position to the disengagement position shown in FIGS. 4 and 5. With this rotation, the protrusion (20b) abuts on the protrusion (19b) of the first engagement / disengagement lever (19) to rotate the first engagement / disengagement lever (19) to the disengagement position.
[0034]
The holding lever (21) is pivotally attached to the upper portion of the first engagement / disengagement lever (19) with an integrally provided shaft portion (21a) and abuts against a stopper (24) provided on the casing (11). A possible engaging portion (21b) and a protrusion (19c) slidably fitted into a long hole (19c) provided in the first engagement / disengagement lever (19) to limit the rotation range of the holding lever (21) ( 21c).
[0035]
The spring (22) biases the first engaging / disengaging lever (19) in the engaging direction and the holding lever (21) in the counterclockwise direction around the shaft portion (21a). Specifically, the spring (22) is wound around the shaft portion (17c) of the actuating lever (17), one end is locked to the protrusion (21c) of the holding lever (21), and the other end Is held by the operating lever (17) to urge the holding lever (21) counterclockwise, and the first engagement / disengagement lever (19) is also engaged through the holding lever (21). Energize towards.
[0036]
As shown in FIG. 2, when the actuating lever (17) is in the locking position and the first engaging / disengaging lever (19) is in the engaging position, the worm wheel (13) is rotated in the locking direction. When the first engagement / disengagement lever (19) moves from the engagement position to the disengagement position, the engagement portion (21b) of the holding lever (21) resists the urging force of the spring (22), while the stopper (24) Of the stopper (24) so that the first engagement / disengagement lever (19) is held at the disengaged position by moving over the side portion (24a) of the stopper and moving toward the contact portion (24b) side of the stopper (24). Abuts on the abutting portion (24b). Reference numerals (24a) and (24b) are shown only in FIG. 7 for simplification of the drawing.
[0037]
(23) is a key lever to which the operating force of a key cylinder (not shown) provided on the outside of the door is transmitted, and is pivotally attached to the casing (11) with a shaft portion (23a) extending to the outside of the vehicle. And a pair of upper and lower engaging portions (23b) (23b) that can engage with a protrusion (17d) provided on the upper portion of the operating lever (17).
[0038]
The key lever (23) is rotated clockwise from the neutral position shown in FIGS. 2 to 5 by the operation of the key cylinder, so that the upper engaging portion (23b) is protruded from the protrusion (17d) of the operating lever (17). ), The operating lever (17) is moved from the locked position to the unlocked position, and is rotated counterclockwise so that the lower engaging portion (23b) is moved to the operating lever (17). The operating lever (17) can be moved from the unlocked position to the locked position by coming into contact with the protrusion (17d) from below.
[0039]
Next, the operation of the vehicle door latch actuator having the structure of the above-described embodiment will be described.
When the locking and unlocking means (8) and (9) of the latch unit (1) are in the unlocked state, and the operating lever (17) and the knob lever (15) of the actuator (10) are in the unlocked position shown in FIG. Since the first engagement / disengagement lever (19) is in the engaged position, the operating lever (17) and the knob lever (15) are linked so that the operation force can be transmitted to each other, and the opening operation of the outside handle is performed. By rotating the outside lever (4) in the release direction, or by rotating the outside lever (4) in the release direction via the inside lever (14) by opening the inside handle. The door can be opened by releasing the meshing means.
[0040]
As shown in FIG. 3, when the operation lever (17) and the knob lever (15) are in the unlocking position, if the locking / unlocking operation switch or the remote control key switch near the driver's seat is operated, the motor (12) By the reverse rotation control, the operation lever (17) is operated to the locking position shown in FIG. 2 via the worm wheel (13) and the rack (18). When the lock knob is locked from the inside of the vehicle, the engaging portion (15b) of the knob lever (15) is engaged with the step portion (17b) of the operating lever (17), so that the operating lever (17) Actuated to the locked position. Furthermore, when the key cylinder is locked from the outside of the vehicle, the lower engaging portion (23b) of the key lever (23) is engaged with the protrusion (17d) of the operating lever (17), so that the operating lever (17) is actuated to the locked position.
[0041]
When the operating lever (17) is moved to the locking position by any of the above operations, the locking / unlocking means (8), (9) of the latch unit (1) is switched to the locked state shown in FIG. Alternatively, even if the inside handle is operated to open the door and the outside lever (4) is rotated in the release direction, the meshing means cannot be released and the door cannot be opened.
[0042]
When the actuating lever (17) and knob lever (15) of the actuator (10) are in the locking position shown in FIG. 2 and the locking / unlocking means (8) and (9) of the latch unit (1) are in the locked state, When the remote control key switch is locked from the outside, the worm wheel (13) is rotated in the locking direction from the neutral position by the reverse rotation control of the motor (12), and the engaging portion (13c) is secondly disengaged. By engaging the arm portion (20a) of the lever (20), the first engagement / disengagement lever (19) is rotated to the disengagement position via the second engagement / disengagement lever (20). As the holding lever (21) rotates to the disengagement position of the first engagement / disengagement lever (19), the engaging portion (21b) gets over the side portion (24a) of the stopper (24), and FIG. As shown, the first engagement / disengagement lever (19) is held at the disengaged position by displacing the stopper (24) to a position where it can contact the contact portion (24b). The worm wheel (13) returns to the neutral position after the first engagement / disengagement lever (19) is held at the disengagement position. At this time, since the engaging portion (13c) of the worm wheel (13) contacts the arm portion (20a) of the second engaging / disengaging lever (20) from the left side, the second engaging / disengaging lever (20) Although it rotates against the urging force of 22) as shown by an imaginary line in FIG. 7, the rotation is not transmitted to the first engagement / disengagement lever (19).
[0043]
When the first engaging / disengaging lever (19) is held in the disengaged position by the holding lever (21), the hook portion (19a) is disengaged from the engaging portion (15b) of the knob lever (15). It becomes impossible to transmit the unlocking operation force from (15) to the operating lever (17) and the locking / unlocking means (8) and (9). At this time, the locking / unlocking means (8) and (9) are also in a locked state, and are in a so-called double lock state.
[0044]
In the double lock state, as described above, the unlocking means (8) and (9) are in the locked state and the lock knob cannot be unlocked. Therefore, even if the lock knob is unlocked by an unauthorized act, the door cannot be opened.
[0045]
When the remote control key switch is unlocked in the double lock state shown in FIG. 4, the motor (12) is controlled to rotate forward. The actuating lever (17) is moved to the unlocked position via the worm wheel (13) and the rack (18) by the rotation of the motor (12), so that the stepped portion (17b) is moved to the knob lever (15). Abutting on the engaging portion (15b), the knob lever (15) can be moved from the locked position to the unlocked position, and the locking / unlocking means (8) (9) can be switched to the unlocked state.
[0046]
As shown in FIG. 5, the first engaging / disengaging lever (19) is configured such that the engaging portion (21b) of the holding lever (21) has a stopper (24) immediately after the operating lever (17) moves toward the unlocking position. By disengaging from the contact portion (24b), the spring (22) is returned to the disengaged position by the biasing force of the spring (22), and the operating lever (17) and the knob lever (15) are linked in a state where the operating force can be transmitted to each other. .
[0047]
In the double lock state, when the key cylinder is unlocked from the outside of the vehicle, the key lever (23) rotates clockwise, and the upper engaging portion (23b) moves the operating lever (17). The operating lever (17) can be moved to the unlocked position by engaging with the protrusion (17d). When the operating lever (17) moves to the unlocking position, the first engagement / disengagement lever (19) returns to the engagement position as described above. Therefore, even if the unlocking operation is disabled by the motor (12) due to battery exhaustion or the like, the double lock state can be released by operating the key cylinder.
[0048]
The present invention is not limited to the above embodiment. For example, in the above embodiment, the knob lever (15) and the inside lever (14) are provided on the casing (11) of the actuator (10), but instead, they may be provided on the latch unit (1) side.
[0049]
【The invention's effect】
According to the present invention, the following effects can be achieved.
(A) According to the first aspect of the present invention, the locking / unlocking means can be brought into the locked state with a single motor, and the operating force transmission path between the lock knob and the locking / unlocking means is cut to release the lock knob. Since a double lock state in which the lock operation is disabled can be achieved, the cost can be reduced and the arrangement space is extremely advantageous.
[0050]
(B) According to the invention of claim 2, in addition to the effect of the invention according to claim 1, the first engaging / disengaging lever is interlocked when the rotating body returns to the neutral position after rotating in the locking direction. Therefore, it is possible to obtain a reliable operation.
[0051]
(C) According to the invention described in claim 3, in addition to the effect of the invention according to claim 2, the engagement / disengagement means can be reliably held at the disengagement position with a simple configuration.
[0052]
(D) According to the invention described in claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, the key can be used even if the unlocking operation by the motor becomes impossible due to battery exhaustion. The engagement / disengagement means can be returned to the engagement position by operating the cylinder, and the quality can be improved.
[0053]
(E) According to the invention described in claim 5, in addition to the effect of the invention according to any one of claims 1 to 4, it is possible to move the engagement / disengagement means to the engagement position with certainty, thereby further improving the quality. Can be achieved.
[Brief description of the drawings]
FIG. 1 is a front view of a latch unit to which an embodiment of the present invention is applied.
FIG. 2 is also a side view of the actuator.
FIG. 3 is a side view of the main part of the actuator in an unlocked state.
FIG. 4 is a side view of the actuator in a double-locked state.
FIG. 5 is a side view of the main part of the actuator that is in the middle of moving from the double-locked state to the unlocked state.
FIG. 6 is an exploded perspective view of the main part of the actuator.
FIG. 7 is an enlarged side view of the main part of the actuator.
8 is a longitudinal sectional view taken along line VIII-VIII in FIG.
[Explanation of symbols]
(1) Latch unit
(2) Body
(3) Release lever
(3a) Engagement part
(4) Outside lever
(4a) Connecting part
(4b) Engaged part
(5) Axis
(7) Axis
(8) Locking / unlocking lever (locking / unlocking means)
(8a) Connecting part
(8b) Projection
(9) Sub lever (locking / unlocking means)
(9a) Long hole
(9b) Release part
(9c) Axis
(10) Actuator
(11) Casing
(11a) Cover
(12) Motor
(12a) Warm
(13) Worm wheel (rotating body)
(13a) Axis
(13b) Pinion
(13c) Engagement part
(14) Inside lever
(14a) Connecting part
(14b) Engagement part
(14c) Axis
(15) Knob lever
(15a) Connecting part
(15b) Engagement part
(16) Axis
(17) Actuating lever
(17a) Connecting hole
(17b) Step
(17c) Shaft
(17d) Projection
(17e) Groove
(18) Rack
(19) First engaging / disengaging lever (engaging / disengaging means)
(19a) Hook part
(19b) Projection
(19c) Long hole
(20) Second engaging / disengaging lever (engaging / disengaging means)
(20a) Arm part
(20b) Projection
(21) Holding lever
(21a) Shaft
(21b) Engagement part
(21c) Projection
(22) Spring
(23) Key lever
(23a) Shaft
(23b) Engagement part
(24) Stopper
(24a) Side
(24b) Contact part

Claims (5)

In the vehicle door latch actuator connected to the locking / unlocking means of the latch unit,
The casing attached to the latch unit is disengaged from a predetermined neutral position by a motor that can be rotated forward and backward, a knob lever that is provided on the inner side of the vehicle, to which an operation force of a lock knob for locking / unlocking operation is transmitted, and the motor. A rotating body that can be rotated in the locking direction and the locking direction, and linked to the rotating body via play corresponding to the operation stroke of the knob lever, and the rotating body is rotated in the unlocking direction, An operating lever that moves to the unlocking position in which the locking / unlocking means is unlocked, and is movable to the locking position in which the locking / unlocking means is locked by rotating the rotating body in the locking direction; When the operating lever is provided in the operating lever and is in the locking position, the knob lever and the operating lever are operated with each other as the rotating body rotates in the locking direction. Engaging / disengaging means displaceable from an engaging state enabling transmission to a disengaging state in which the unlocking operation force of the knob lever cannot be transmitted to the operating lever; and A vehicle door latch actuator comprising: a holding lever capable of holding the engaging / disengaging means in a disengaged state when the means is displaced from the engaged state to the disengaged state. The engaging / disengaging means includes a first engaging / disengaging lever pivotally attached to the operating lever and having a hook portion that can be engaged / disengaged with respect to the engaging portion provided on the knob lever, and is pivotally attached to the operating lever. Is in the locking position, the rotating body is rotated in the locking direction to engage with an engaging portion provided in the rotating body, and the hook portion is engaged with the engaging portion of the knob lever. 2. The vehicle door latch actuator according to claim 1, further comprising a second engagement / disengagement lever movable in a direction of disengaging from the vehicle. The holding lever is pivotally attached to the first engagement / disengagement lever, and has an engaging portion that can contact a stopper provided in the casing. 3. The vehicle door latch actuator according to claim 2, wherein the detaching means can be held in a detached state. The operating lever is linked to the key cylinder so that the operating force of the key cylinder provided on the outside of the vehicle can be transmitted, and as the operating lever moves from the locked position to the unlocked position, an engaging / disengaging means is provided. The vehicle door latch actuator according to any one of claims 1 to 3, wherein the vehicle door latch actuator is returned from the disengaged position to the engaged position. The vehicle door latch actuator according to any one of claims 1 to 4, wherein the engagement / disengagement means is urged toward an engagement state by a spring provided between the operation lever and the engagement / disengagement means.

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