JP2002106250A - Automatic opening and closing device of door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic opening and closing device of a door capable of surely stopping the opening and closing drive of the door even during the opening and closing drive of the door in a comparatively higher upper position, and setting the driving conditions in driving the door to open from the totally closed state to the optimum. SOLUTION: When a strap 7 fitted to the back door 1 is pulled during the opening and closing drive of the back door 1 by the opening and closing driving mechanism 10, the opening and closing drive of the back door 1 is stopped.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door opening and closing apparatus for driving a door to open and close in a vertical direction in response to a switch operation.

[0002]

2. Description of the Related Art Conventionally, as an automatic door opening / closing device for an automobile, an opening / closing operation switch provided on a vehicle body or a keyless opening / closing switch which can be operated at a remote position away from the vehicle body during opening / closing of the door. Some switches have a function of temporarily stopping the opening and closing of the door when a drive stop operation of the door is performed by an operation switch.

[0003]

However, when an automatic opening / closing device having such an opening / closing stop function is used for a back door of an automobile which opens and closes in a vertical direction, the following problem occurs. there were. That is, since the opening / closing operation switch or the keyless opening / closing operation switch provided on the vehicle body side is operated by one operator, a person other than the operator cannot stop the back door, and in that respect, the back door is not operated. The delicate adjustment of the opening / closing position and the operation of the emergency stop have been left to the switch operator of the opening / closing operation switch or the keyless opening / closing operation switch. Therefore, for example, when there is an obstacle at a position invisible to the switch operator, the switch operator is required to perform a more careful opening and closing operation.

[0004] It is an object of the present invention to provide a new operation part of a switch for stopping a door being driven to open and close, so that the operation part can be easily operated by an operator or another person. Therefore, even when the door is driven to open and close at a relatively high upper position, the door can be reliably stopped at an arbitrary position, and the driving conditions when the door is driven to open from the fully closed state are set. An object of the present invention is to provide an automatic door opening / closing device that can be optimally set.

[0005]

An automatic door opening and closing apparatus according to the present invention is an automatic door opening and closing apparatus for driving a door to open and close in a vertical direction in response to a switch operation. The automatic door opening and closing apparatus is provided on the door and closes the door. And a control means for stopping the opening / closing drive of the door when the strap is pulled during the opening / closing drive of the door.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. This embodiment is an example of application as an automatic opening / closing device for a back door of an automobile.

FIG. 1 is a schematic structural view of a back door portion of an automobile provided with the automatic opening / closing device of the present embodiment. In FIG. 1, a back door 1 that is rotatable in the opening and closing directions of arrows A1 and A2 is provided at an upper edge of a rear portion of the vehicle body. An outside handle 2 is provided outside the back door 1, and the handle 2 is pulled when the back door 1 is manually opened and closed. A strap 7 is attached to the inside of the back door 1, and the strap 7 is pulled when the opened back door 1 is closed as shown in FIG.

Reference numeral 10 denotes an opening / closing drive mechanism provided on the upper side of the rear part of the vehicle body. The opening / closing drive mechanism is configured to be able to open and close the back door 1 by using an electric motor 11 (see FIG. 2) as a drive source. The opening / closing drive mechanism 10 of this example includes a slider 12 that slides in the directions of arrows B1 and B2 in accordance with the rotation direction of the motor 11, and the slider 12 and the back door 1 are connected by a link mechanism 13. When the slider 12 is slid in the direction of arrow B1 by forward rotation of the motor 11, the back door 1 is driven to open in the direction of arrow A1 as shown in FIG. When the back door 1 is slid in the B2 direction, the back door 1 is driven to close in the arrow A2 direction. Further, in a power transmission system between the motor 11 and the slider 12, a clutch 14 (see FIG. 2) capable of connection and disconnection control (on / off control) is interposed, and the clutch 14 is in an off state. And the motor 11 and the slider 12
When the power transmission system between
Is in a state where opening and closing operations can be manually performed.

A door lock device 20 having a general configuration is provided at a portion where the free end of the back door 1 faces the vehicle body. A door closure 21 (see FIG. 2) is incorporated in the door lock device 20 of this example.

Opening / closing drive mechanism 10 and door lock device 2
0 is a controller 30 as control means (see FIG. 2)
Is controlled by Signals from the strap switch 3, the back door switch 4, the keyless switch 5, the rotary encoder 6, and the like are input to the controller 30. The back door switch 4 is provided on the vehicle body side as shown in FIG. 1, and the back door switch 4 is provided in response to a selective switch operation of an open operation switch unit and a close operation switch unit (hereinafter, referred to as “open operation” and “close operation”). An open signal and a close signal of the door 1 are output. The keyless switch 5 is operated by a switch from a remote position distant from the vehicle body, and selectively operates an open operation switch unit and a close operation switch unit (hereinafter, referred to as a switch operation).
The opening signal and the closing signal of the back door 1 are wirelessly output according to “opening operation” and “closing operation”. The rotary encoder 6 detects an open / close position of the back door 1.

The strap switch 3 detects that the strap 7 has been pulled. The strap switch 3 and the strap 7 can be associated as shown in FIG.

In FIG. 3, reference numeral 41 denotes a pedestal portion fixed to the indoor side wall surface 1A of the back door 1, and an arm portion 43 is attached to the pedestal portion 41 so as to be rotatable about a shaft 42. ing. The arm 43 is provided with a support 44 that faces the hole 1B formed in the wall surface 1A. The support 44 is curved around the axis 42 as a center of curvature.
The base end of the strap 7 is attached to the tip. Reference numeral 45 denotes a spring, and the arm 43
In the direction of the outer wall surface 1C of the back door 1.
The strap switch 3 is provided on the wall 1A facing the arm 43.
It is provided in a fixed position on the side. When the back door 1 is closed in the direction of arrow A2, the strap 7 is pulled in the direction of arrow A2 ', which is substantially the same as the direction of arrow A2. At this time, the arm 43 rotates toward the wall surface 1A against the urging force of the spring 45, and the arm 43 presses the strap switch 3 to turn it on. Thereafter, when the pulling operation of the strap 7 is released, as shown in FIG. 3, the arm 43 is rotated back to the wall surface 1C by the urging force of the spring 45, and the strap switch 3 returns to the off state.

Next, the operation will be described.

When the back door 1 is in the fully closed state, the door lock device 20 locks the back door 1 in the fully closed position. In the fully closed state, when the switch 4 or 5 is opened, the controller 30 operates the release actuator of the door lock device 20 to release the lock of the back door 1. Then, the opening / closing drive mechanism 1
The 0 clutch 14 is turned on (connected state), and the motor 11 is further driven forward. Thereby, the opening movement of the back door 1 starts. Then, when the back door 1 is moved to near the fully open position and detected by the rotary encoder 6, the motor 11 is turned off to stop the rotation, and the clutch 14 is turned off (disconnected state). Is done. Thus, the back door 1 is in a fully opened state as shown in FIG.

Then, when the switch 4 or 5 is closed from the fully opened state of the back door 1, the controller 30 causes the clutch 1 of the opening / closing drive mechanism 10 to operate.
4 is turned on (connected state), and the motor 11 is driven in reverse rotation. Thereby, the closing movement of the back door 1 starts. Then, when the back door 1 closes to the vicinity of the half-latch position and is detected by the rotary encoder 6, the motor 11 is turned off to stop the rotation, and the clutch 14 is turned off. , The door closure 21 of the door lock device 20 is driven.
The door closure 21 automatically retracts the back door 1 from the half latch position to the full latch position. As a result, the back door 1 is again locked to the fully closed position by the door lock device 20.

The controller 30 includes a back door 1
During the opening / closing drive of, that is, when the motor 11 and the clutch 14 are on, the opening / closing drive mechanism 10 is controlled in accordance with the switch operation of the switches 4 and 5 and the pulling operation of the strap 7.

FIG. 4 is a flowchart for explaining a control process of the controller 30 during the opening / closing operation of the back door 1.

In the control processing during the opening / closing drive, it is determined whether or not the strap 7 has been pulled, that is, whether or not the strap switch 3 has been turned on (step S).
1) When the strap 7 is pulled, the motor 1
1 is turned off to stop the rotation (step S
2). Thus, the door 1 that is being driven to open and close is temporarily stopped. At this time, the clutch 14 is kept on. The reason is that if the clutch 14 is turned off, the door 1 is opened by the force of an opening and closing assist mechanism such as a gas stay (not shown) provided between the door 1 and the vehicle body, and the weight of the door 1 is reduced. This is because there is a possibility that the door 1 may be closed.

As described above, by pulling the strap 7 while the door 1 is being opened and closed, the door 1 can be stopped at an intermediate opening and closing position. In particular, even when the door 1 is being driven to open and close at a relatively high upper position, by pulling the strap 7, the door 1 can be reliably stopped at an arbitrary position.

Thereafter, it is determined whether or not the strap 7 has been pulled again (step S4).
Is determined (steps S4 and S5), and whether the back door switch 4 is opened or closed (steps S6 and S7). When the strap 7 is pulled again or the switch 4 or 5 is closed, the motor 11
The door 1 is closed by the reverse rotation drive (step S
8) Then, the process proceeds to “control processing at the time of closing drive” (step S).
9). When the switch 4 or 5 is operated to open, the door 1 is opened by the forward rotation of the motor 11 (step S10), and the process shifts to "control processing at the time of opening drive" (step S11). Also, the strap 7 is not pulled again,
Moreover, when the switches 4 and 5 are not opened and closed,
The processing shifts to “control processing during opening / closing drive standby” (step S1)
2). In the "control processing during opening / closing drive standby", the door 1 is driven to open by the forward rotation of the motor 11 when an open signal is input, and the motor is opened when a close signal is input. The door 1 is driven to close by the reverse rotation drive of 11.

The controller 30 includes a back door 1
Is fully opened, the door 1 is closed by the reverse rotation of the motor 11 when not only the switch 4 or 5 is closed but also the strap 7 is pulled.

The controller 30 includes a back door 1
In the fully closed state, the control processing at the fully closed state shown in FIG. 5 is executed. First, it is determined whether or not the strap switch 3 is on, that is, whether or not the strap 7 is in a pulled operation state (step S21), and whether or not the keyless switch 5 is opened (step S22). ) And whether or not the back door switch 4 is opened (step S23). When the strap switch 3 is not in the ON state, the opening operation of the keyless switch 5 or the back door switch 4 is enabled, and the opening operation of the keyless switch 5 or the back door switch 4 shifts to “control processing of opening driving from the fully closed position” (step S24). ). In the “open drive control process from the fully closed position”, as described above, the door lock device 30
The release actuator releases the lock of the back door 1, and then releases the clutch 14 of the opening / closing drive mechanism 10.
Is turned on, the motor 11 is driven to rotate forward to start the opening operation of the back door 1. On the other hand, when the strap switch 3 is in the ON state, the opening operation of the keyless switch 5 or the back door switch 4 is invalidated, and even if there is such opening operation, the process does not shift to the control process of step S24.

As described above, when the back door 1 is fully closed and the strap switch 3 is on,
Is prohibited from being opened. This is effective when the strap 7 is inadvertently pulled. For example, when the door 7 is fully closed and the strap 7 is caught on the baggage inside the door 1 and remains in the pulled state, the opening drive of the door 1 is prohibited, and the load collapses due to the opening movement of the door 1. Can be avoided.

(Other Embodiments) The opening / closing drive mechanism 10 is not limited to the configuration of the above-described embodiment, but is arbitrary. In short, the opening / closing drive mechanism 10 opens and closes the back door 1 using a driving source such as a motor 11. Any structure that can be driven may be used. Further, the door lock device 20 can be incorporated in the opening / closing drive mechanism 10.

Further, the present invention can be widely applied as an opening / closing device for various doors other than a back door of an automobile.

[0026]

As described above, according to the present invention, when a strap is attached to a door and the strap is pulled by the door opening / closing operator or another person during opening / closing of the door, the door is opened. By stopping the opening / closing drive of the door, even if the door is being driven to open / close at a relatively high upper position, the door opening / closing drive can be stopped at any position without fail. Operability can be improved.

Further, after the door opening / closing drive is stopped based on the strap pulling operation, the door is driven to close when the strap is pulled again, thereby further improving the door opening / closing operability. Can be.

In addition, when the strap is pulled in the fully closed state of the door, the opening of the door is prohibited, thereby causing a problem when the door is opened when the stripe is inadvertently pulled. It can be avoided beforehand. For example, in the fully closed state of the door, when the strap is hooked on the luggage and the pulling operation is performed, it is possible to prevent the collapse of the load due to the opening drive of the door.

Further, by using the apparatus as an automatic opening / closing device for a back door of an automobile, it is possible to smoothly carry out a work for taking in / out luggage into / from an automobile.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a back door portion of an automobile provided with an automatic opening / closing device of the present invention.

FIG. 2 is a block diagram of a control system in the automatic opening / closing device of FIG. 1;

FIG. 3 is a schematic configuration diagram of a mounting portion of a strap in FIG. 1;

FIG. 4 is a flowchart for explaining a control process during opening / closing drive by the controller in FIG. 2;

FIG. 5 is a flowchart illustrating a control process when the controller of FIG. 2 is fully closed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Backdoor (door) 1A Indoor wall surface 1B Hole 1C Indoor wall surface 2 Outside handle 3 Strap switch 4 Backdoor switch 5 Keyless switch 6 Rotary encoder 10 Opening / closing drive mechanism 11 Motor 12 Slider 13 Link mechanism 14 Clutch 20 Door lock device 21 Door closure 30 Controller (control means) 41 Pedestal part 42 Shaft 43 Arm part 44 Support part 45 Spring

Claims (4)

[Claims] 1. An automatic door opening / closing device for driving a door to open and close in a vertical direction in response to a switch operation, a strap provided on the door and operated by pulling when the door is closed, and a door opening / closing drive Control means for stopping the opening and closing drive of the door when the strap is pulled during the operation. 2. The method according to claim 1, wherein the control means stops the opening / closing drive of the door based on the pulling operation of the strap, and then drives the door to close when the strap is pulled again. The automatic door opening and closing device according to claim 1. 3. The control device according to claim 1, wherein the control unit prohibits the door from being opened when the strap is pulled in a fully closed state of the door.
An automatic door opening and closing device according to claim 1. 4. The automatic door opening / closing device according to claim 1, wherein the door is a back door of an automobile.