JPH0463719A - Automatically opening-closing device of getting-on-and-off automobile door - Google Patents

Abstract

PURPOSE:To enable safe and smooth getting on and off without giving protrusions to an automobile inside by fixing inside a door a door latch release reciprocating motor to release the door from a door latch and a door driving reciprocating motor to push and pull the end inside the door of a door check, respectively. CONSTITUTION:A door 22, supported to a body in an open-close allowable manner via hinges 24A, 24B, has a door check 21 made up of two plate springs which are narrower in gap at a half-open position H and wider in gap at a full-open position F and bent. A door driving reciprocating motor 13 built in the door is joined to one end inside the door 22 of the door check 21. A door latch release reciprocating motor 12, in which a timer is built to operate for a time period from the completion of running the motor 12 to the return of the reciprocal drive portion of the motor 12 to an original point, is fixed inside the door 22 to perform reciprocal motion. A wire 12A is joined to the reciprocal drive portion of the motor 12 and joined to a wire 7 via which a door knob 23 and a door latch 1 are connected together.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an automatic opening/closing device for the door of a passenger vehicle such as a taxi.

``Prior technology'' Conventionally, the automatic opening/closing device for the left rear door of a taxi was an air vacuum system, but the structure was complicated and there were problems such as insufficient torque and difficulty in opening in strong winds, so currently mechanical A linking method is used.

To open and close the left rear door in the link system, the driver moves the protruding operating grip provided between the driver's seat and the right front door for operation with his right hand, and then presses the operating grip at the bottom of the left rear door. A link part that interlocks with the grip is provided, and this link part unlocks and opens/closes the door latch of the left rear door.

``Problems to be Solved by the Invention'' However, in the conventional link-type automatic opening/closing device described above, the link part that interlocks with the operating grip is connected to the footwell in the rear compartment, and protrudes, resulting in an unsightly interior design. However, the link part gets dirty with mud from shoes, etc., and maintenance such as cleaning and oiling of the link part is necessary for the door to open and close smoothly, and the operating grip gets in the way when the driver gets in and out of the car. The problem is that it can happen.

The present invention has been made in order to solve the above problems, and its purpose is to improve the appearance of the interior of the vehicle, to ensure that passengers and drivers can get on and off the vehicle safely without any trouble, and to reduce the complexity of the structure to a simple one. To provide an automatic opening/closing device for an entrance/exit vehicle door which is less expensive in structure and easier to maintain.

[Means for Solving the Problem J] A specific means for achieving the above object is a reciprocating motion for unlocking a door latch that unlocks the door latch of the vehicle door in an automatic opening/closing device for a vehicle door having a door check. A door latch is achieved by fixing a motor inside the door, fixing a reciprocating motor for driving the door to push and pull the end of the door check inside the door, and driving the reciprocating motor for unlocking the door latch. There is provided an automatic opening/closing device for a vehicle door, which is characterized by comprising a control device that drives a reciprocating motor for driving the door after unlocking the door.

``Function'' In the automatic door opening/closing device for a passenger vehicle door configured as described above, when opening the vehicle door, the reciprocating motor for door latch unlocking receives a control signal from the control device, unlocks the door latch, and locks the door latch. Upon completion of the unlocking operation of the reciprocating motor for unlocking, the control device sends a control signal to the reciprocating motor for driving the door and the reciprocating motor for unlocking the door latch. The reciprocating motor for driving the door pushes out the door check to release the door, and the reciprocating motor for unlocking the door latch engages the door latch.

When closing the door, the door drive reciprocating motor receives a control signal from the control device, pulls the door check, and closes the door.

"Example" Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a partially transparent perspective view showing the arrangement of each component on the left rear door of an actual vehicle. The door 22 is supported by a hinge-type upper hinge 24A and a lower hinge 24B on a body (not shown) so as to be openable and closable. Door check 21 is
It is made up of two leaf springs, and the space between the leaf springs narrows at the half-open position H, and widens at the fully open position F, and is bent, so that the opening angle of the door 22 changes when passing through the hole 22A of the door 22. It has the function of setting moderation and determining the release limit. The door check 21 is an existing door check 21 having one end inserted into the inside of the door 22 and the other end being pivotally connected to the body by a central shaft 21A. In the present invention, a reciprocating motor 1 for driving the door is installed at one end of the door 22 of the door check 21.
It combines 3.

The control device 11 is supplied with power from a power source 14 via a hand-operated switch 15, and its output side is connected to a reciprocating motor 12 for door latch/unlocking and a reciprocating motor 13 for driving a door. The reciprocating motor 12 for unlocking the door latch has a built-in timer that operates for the period from the completion of the operation of the motor 12 until the reciprocating drive section of the motor 12 returns to its origin, and is fixed inside the door 22 to perform reciprocating operation. There is. wire 1
2A is coupled to the reciprocating drive section of the door latch unlocking reciprocating motor 12, and is coupled to the wire 7 that connects the door knob 23 and the door latch 1. Reciprocating motor for door drive 1
3 is fixed inside the door 22. Measures against external forces against the driver's will can be taken by providing a clutch in the reciprocating motor 13 for driving the door. The drive section of the door drive reciprocating motor 13 pushes and pulls the end of the door check 21 inside the door 22 as described above.

FIG. 2(a) is an example of the detailed structure of the door latch 1 in the embodiment, and FIG. 2(b) is an explanatory diagram showing the engaged state. The door latch 1 is installed inside a door 22, and the door catch 2 is fixed to a body and engages with an opening 3 of an engaging pawl 4 in the door latch 1. The locking and unlocking methods are as follows. When the wire 7 is pulled in the Y direction, the actuating pawl 5 rotates counterclockwise around the fulcrum 0 and disengages from the engaging pawl 4, so that the engaging pawl 4 pulls the spring 6 around the fulcrum O'. is rotated counterclockwise. Therefore, the door catcher 2 is released from the opening 3 of the engaging pawl 4, and the door is unlocked. When the door 22 is closed, the door catcher 2 hits the opening 3 of the engagement claw 4, so that the engagement claw 4 moves to the fulcrum O.
The actuating pawl 5, which rotates clockwise around the fulcrum O and is connected to the engaging pawl 4 via the spring 6, rotates clockwise around the fulcrum O. Then, when the door 22 is closed, the door catch 2 automatically engages with the engagement claw 4 that is inserted into the opening 3, and the door is locked.

FIG. 3 is a perspective view showing the main parts of the reciprocating motor in cross section, and is an example of the reciprocating motors 12 and 13 in the embodiment. A pinion 32 is attached to the rotating shaft of the rotary motor 35.
is fitted, and its pinion 32 is engaged with a rack 33 and guided by rollers 34 to cause the reciprocating drive section 31 to reciprocate. The end portion of the door check 21 inside the door 22 and the wire 12A are coupled to the reciprocating drive unit 31.

The reciprocating operation of the reciprocating drive unit 31 is such that when the pinion 32 is driven clockwise in the normal direction, the rack 33 is pushed out in the X direction, and when the pinion 32 is driven in the reverse direction counterclockwise, the rack 33 is pushed out.
Pull it in the Y direction.

FIG. 4 is a circuit diagram showing the overall configuration. The six-hand operation switch 15 has contacts that close in two stages with a spring at the open end and the closed end so that the opening/closing speed of the door 22 can be switched to two stages, high and low. shall have.

The control device 11 detects the positions of a control section 41 for driving the motor, a drive section 42, 42 that switches and controls the output to the reciprocating motors 12 and 13, and a reciprocating drive section 31 of the reciprocating motors 12 and 13. , a position detector 43 that converts it into a position feedback signal and sends it to the control IC 41
．． 43 is built-in. The movement of the control device 11 is controlled by receiving an open/close signal from the hand-operated switch 15, sending a control signal to the drive section 42.42 via the control section 41, and positioning each reciprocating drive section 31 of the reciprocating motor 12.13. The reciprocating motors 12 and 1 receive position feedback signals from the position detector 43 43 that detected the
3 and drive it back and forth.

FIG. 5 is a circuit diagram of the drive unit 42, in which the reciprocating motors 12 and 13 are driven back and forth by switching conduction of two sets of opposite polarity transistors.

The operation based on the above configuration will be explained with reference to the drawings. FIG. 6(a) is a timing chart showing the operation when the door 22 is opened. A, BC, and D in the top column are codes indicating each sequence. In the initial state, the door 22 is closed, the door latch 1 engages with the door catch 2, and the door 22 is locked.

When the driver presses the open button on the hand-operated switch 15, the control device 11 receives the open signal and immediately starts reverse driving of the reciprocating motor 12 for unlocking the door latch and pulls the wire 12A. The wire 12A pulls the wire 7 connecting the doorknob 23 and the door latch 1, and the door latch 1 is unlocked as described above (sequence A).

Next, the control device 11 receives a position feedback signal from the detector that detects the completion of the operation of the reciprocating motor 12 for door latch unlocking, and starts normal rotation of the reciprocating motor 13 for driving the door, and the reciprocating drive unit 31 Push out one end of the door check 21 inside the door 22. When the door drive reciprocating motor 13 pushes out one end of the door check 21 from inside the door 22, the door 22 is opened by a reaction, and when the manual operation switch 15 is pressed further, the opening/closing speed of the door 22 becomes faster. Further, upon completion of the operation of the reciprocating motor 12 for unlocking the door latch, the built-in timer is activated, the reciprocating drive unit 31 of the reciprocating motor 12 for unlocking the door latch returns to its origin, and the door latch 1 is engaged (sequence B). In sequence C, the hand-operated switch 15 continues to be pressed, and the door drive reciprocating motor 13 also continues to rotate. When the driver confirms that the door 22 has reached its opening limit, he releases the opening button of the hand-operated switch 15 (sequence D).

FIG. 6(b) is a timing chart showing the operation when the door 22 is closed. E and F in the top column are codes indicating each sequence. In the initial state, the door 22 has reached its opening limit,
When the door latch 1 is in a stopped state and the driver presses the hand-operated switch 15 to close, the control device 1
When the reciprocating motor 13 receives the close signal, the reciprocating motor 13 immediately starts driving the reciprocating motor 13 in reverse, and the reciprocating drive unit 31 starts the door check motor 21.
Pull one end of the inside of the door 22 to begin closing the door 22. If the hand-operated switch 15 is pressed more strongly, the opening/closing speed of the door 22 will be increased. When the door 22 is closed, the door latch 1 engages with the door catch 2 and is locked as described above (sequence E). When the driver confirms that the door 22 is completely closed, he releases the hand-operated switch 15 (sequence F).

"Effects of the Invention" The present invention provides an opening/closing device for a vehicle door having the above configuration and a door check, in which a reciprocating motor for unlocking a door latch that unlocks the door latch of the vehicle door is fixed inside the door. Then, after unlocking the door latch by fixing a door driving reciprocating motor for pushing and pulling the end of the door check inside the door and driving the door latch unlocking reciprocating motor, Since it is equipped with a control device that drives the reciprocating motor for driving the door, there are no protrusions inside the vehicle interior.
It has a good appearance, is safe for passengers and the driver, and is easy to get on and off.The simple structure makes it inexpensive, and by removing the links, there is no need for cleaning or lubrication, making maintenance easy. effective.

[BRIEF DESCRIPTION OF THE DRAWINGS] FIGS. 1 to 5 show embodiments of the present invention. FIG. 1 is a partially transparent perspective view showing the arrangement of components in the left rear door, and FIG. ) is an external view showing the latch structure, FIG. 2(b) is an explanatory view showing the engaged state, FIG. 3 is a partial cross-sectional perspective view of the reciprocating motor, FIG. 4 is a circuit diagram showing the overall configuration, and FIG. The figure is a circuit diagram of the driving section, FIG. 6(a) is a timing chart when the door is opened, and FIG. 6(b) is a timing chart when the door is opened. 110. Door latch, 11, Control device, 12, Door latch unlocking reciprocating motor, 13
．． . 1. Drive reciprocating motor, 22, door. 101. Door check, Figure 1

Claims (1)

[Scope of Claims] In an automatic opening/closing device for a vehicle door having a door check, a reciprocating motor for unlocking a door latch for unlocking the door latch of the vehicle door is fixed inside the door, and A reciprocating motor for driving the door that pushes and pulls the end is fixed inside the door, and the reciprocating motor for unlocking the door latch is driven to unlock the door latch and then drive the reciprocating motor for driving the door. An automatic opening/closing device for an entrance/exit vehicle door, comprising: a control device.