JP3622323B2 - Door lock actuator and door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a door lock actuator and a door.
[0002]
[Prior art]
Vehicle doors are required to be light and easy to open and close, to allow passengers to get on and off smoothly, and to be safe so that they do not open unexpectedly while driving. In order to satisfy such requirements, a configuration is adopted in which a door lock device is provided in the door panel, a striker is provided on the pillar of the vehicle body, and a ratchet of the door lock device is engaged with the striker when the door is closed.
The door lock device consists of a door inside handle, a door outside handle, a link mechanism connected to the locking knob, and at least an actuator for electrically operating the locking knob. The link mechanism moves the latch so that it can engage with the striker. Control. The link mechanism will be further described. An open lever that creates a latched state in which the striker and the latch are engaged with each other or an unlatched state in which the striker and the latch are held in a disengaged state by operating the door inside or outside handle The main open system is divided into the main locking system and the locking lever that creates a locked state that makes the open system completely non-operating by operating the locking button or an unlocked state that makes the open system operable. It is done.
The actuator has a worm directly connected to the output shaft of the electric motor, a rotating body having a worm wheel that meshes with the worm, and an operating lever that follows the movement of the rotating body. In addition to manual operation of the button, the locked state or unlocked state is selected by electric operation.
Such a door lock device is disclosed in, for example, Japanese Patent Application Laid-Open No. 7-48968.
[0003]
5 and 6 show conventional examples. A striker 2 is fixed to the pillar 1 on the vehicle body side, and a door lock device 6 including a link mechanism 4 and a door lock actuator 5 is mounted in the door panel 3. A locking link 7 connected to a locking knob (button) and a locking lever 36 are arranged outside the door lock actuator 5, and the locking link 7 extends between the door panel 3 and the interior trim 10 upward. At this time, as shown in FIG. 5, the locking link 7 extends upward along the side surface of the actuator 5, and then passes through a hole 9 (see FIG. 6) formed above the actuator 5 and drilled in the door panel 3. Then, it enters between the door panel 3 and the interior trim 10 and extends upward. An example of such a door is disclosed in JP-A-6-264653.
[0004]
[Problems to be solved by the invention]
In the above-described conventional example, the locking link 7 extends from the outdoor side of the actuator 5 to the hole 9, so that the door panel of the hole 9 is caused by a tool (wire or the like) illegally entering the door panel 3 along the door window glass. The locking link 7 on the side is illegally operated, and there is a risk of releasing the door lock state and opening the door.
Therefore, this invention makes it the subject which should be solved to eliminate the malfunction of the prior art mentioned above.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention basically has a locking link in which a part of an operating shaft of an actuator extends to the indoor side via a door panel and is positioned between the door panel and the interior trim. Means for positioning the connecting portion to the operating shaft side between the door panel and the interior trim. Furthermore, the present invention provides a door having a locking link positioned between the interior trim and the door panel and having a hole through which the operating shaft of the actuator passes.
[0006]
Specifically, the present invention includes an electric motor, a worm coupled to the output shaft of the electric motor, a portion that rotates in response to the rotation of a worm wheel that meshes with the worm and extends indoors. There is provided a door lock actuator in which an operating shaft having a shaft is disposed, and a locking link is coupled to a portion of the operating shaft that extends toward the indoor side.
[0007]
Further, the present invention provides an operation having an electric motor, a worm coupled to the output shaft of the electric motor, a portion that rotates in response to the rotation of a worm wheel meshing with the worm and extends to the indoor side. An actuator provided with a shaft, a portion where the portion extending to the indoor side of the operating shaft and the portion where the locking link is coupled is located in the space between the door panel and the interior trim, and the door where the locking link is located in the space provide.
[0008]
As described above, the locking link and the operating shaft are coupled to each other because the arrangement of the locking link and the coupling with the operating shaft can be performed outside the interior of the door panel before mounting the interior trim. Compared with, assembly work is extremely simple.
There is no operation of the locking link by illegal tools, and the anti-theft effect of the car is high. Moreover, since a protector for illegal tools is unnecessary, the structure can be simplified.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Please refer to FIGS. The door lock device 11 has a latch that can be engaged with a striker 13 fixed to the pillar 12 and has a link that is connected to the inside and outside handles of the door, and a locking that is connected to a locking button. It includes a link mechanism 14 composed of a locking system having a link, and a door lock actuator 15 that cooperates with the link mechanism 14 and operates a locking lever 28, for example.
The link mechanism 14 is arranged inside the door panel 16 along the side surface facing the pillar 12, and the door lock actuator 15 is arranged along the indoor side portion of the door panel 16 using the bracket 27.
[0010]
As shown in FIGS. 2 and 3, the door lock actuator 15 cooperates with an electric motor 18, a worm 19 directly connected to the electric motor 18, a worm wheel 20 that meshes with the worm 19, and the worm wheel 20. Thus, the operating shaft 21 that rotates is arranged, and the operating shaft 21 extends to the inside of the room and includes a first arm 23 coupled to the locking link 22 at the tip thereof. Further, the operating shaft 21 extends to the outdoor side, and includes a second arm 24 coupled to the locking lever 28 of the link mechanism 14 at the tip thereof.
[0011]
A power transmission path between the operating shaft 21 and the electric motor 18 will be described.
A worm wheel 20 as a rotating body that meshes with a worm 19 fixed to the electric motor 18 has a pinion gear 29 that is spline-coupled to the center of rotation and rotates together with the worm wheel 20. The pinion gear 29 meshes with a gear on the outer peripheral side of the second output lever 30 supported rotatably with respect to the operation shaft 21, and the rotation of the second output lever 30 around the operation shaft 21 according to the rotation of the pinion gear 29. Make the movement possible. The second output lever 30 further has an arcuate groove 31 centered on the axis of the operating shaft 21.
[0012]
The operating shaft 21 further includes a first output lever 32 that is fixed to the operating shaft 21 and rotates integrally with the operating shaft 21, and has a protrusion 33 into which the first output lever 32 is inserted into the groove 31. The
The rotational torque of the electric motor 18 is transmitted to the second output lever 30 via the worm 19, the worm wheel 20, and the pinion gear 29, and the second output lever 30 is rotated around the operating shaft 21. To rotate the second output lever 30 around the operating shaft 21, the projection 33 is brought into contact with one end of the arc-shaped groove 31, and the first output lever 32 is rotated through the projection 33. As a result, the operating shaft 21 rotates, the locking button 35 is operated via the first arm 23 and the locking link 22, and the locking system of the link mechanism 14 is operated via the second arm 24 and the locking lever 28. To create a locked or unlocked state. When this electric operation is completed, the second output lever 30 is returned to the neutral position by the coil spring 34, and a space is created between the protrusion 33 and one end of the arc-shaped groove 31.
[0013]
The locking button 35 is operated by rotating the operating shaft 21 via the locking link 22 and the first arm 23, operating the locking system of the link mechanism 14 via the second arm 24 and the locking lever 28, A locked state or unlocked state is created by manual operation. During this manual operation, the first output lever 32 also rotates following the rotation of the operating shaft 21, but the protrusion 33 only idles in the groove 31, and the rotation of the operating shaft 21 is not transmitted to the pinion gear 29.
[0014]
As shown in FIG. 1, the door lock actuator 15 is arranged along the indoor side portion of the door panel 16 using a bracket 27. At this time, a part of the operating shaft 21 extending to the indoor side is It is located inside the door panel 16 and outside the interior trim 26 through a hole 25 formed in the door panel 16. Before the interior trim 26 is attached, the locking link 22 is arranged along the indoor side of the door panel 16, and the tip thereof is coupled to the first arm 23. That is, the coupling portion between the operating shaft 21 and the locking link 22, in the illustrated example, the coupling portion between the first arm 23 and the locking link 22 is positioned between the interior trim 26 and the door panel 16.
This operation is simple because it can be performed on the indoor side portion of the door panel 16.
The outdoor second arm 24 is coupled to the locking lever 28 of the link mechanism 14.
The interior trim 26 may be attached after the locking link 22 is attached.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an example of the present invention.
FIG. 2 is a plan view of an actuator used in an example of the present invention.
FIG. 3 is a longitudinal sectional view of a door lock actuator.
FIG. 4 is a partial perspective view of the door on the indoor side.
FIG. 5 is a cross-sectional view of a conventional example.
FIG. 6 is a partial perspective view of a conventional door on the indoor side.
[Explanation of symbols]
12 pillar 13 striker 14 link mechanism 15 door lock actuator 16 door panel 17 case 18 electric motor 21 actuating shaft 22 locking link 26 interior trim

Claims (3)

An electric motor, a worm coupled to the output shaft of the electric motor, and an operating shaft having a portion that rotates in response to the rotation of a worm wheel meshing with the worm and extends to the indoor side are arranged in the case. A door lock actuator that connects a locking link to a portion of the shaft that extends to the interior side. The door lock actuator according to claim 1, wherein a locking lever of the link mechanism is coupled to a portion of the operating shaft extending from the case to the outdoor side. An actuator having an electric motor, a worm coupled to the output shaft of the electric motor, and an operating shaft having a portion that rotates in response to the rotation of a worm wheel meshing with the worm and extends to the indoor side. A door in which the portion extending to the indoor side of the operating shaft and the portion that connects the locking link are located in the space between the door panel and the interior trim, and the locking link is located in the space .

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