JPH0673289U - Automatic door opening device for automobiles - Google Patents

Abstract

(57) [Abstract] [Purpose] When operating the operation switch, even if it is impossible to push the door out in the opening direction or the door switch cannot detect the opening of the door, the door moving device can be operated. Be able to operate in the door opening direction. [Structure] Even if the engagement of the door lock and the striker is released by the operation of the actuator, it is sufficient for the door to operate the door switch due to the deterioration of the seal reaction force or the effect of the door installation. When the door moving device is not opened, the door moving device is operated after the elapse of the set time of the first timer T1. Therefore, the device does not become inoperable due to the above reasons.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an automatic door opening device for a vehicle, which opens a door of a vehicle or the like automatically by operating an operation switch provided in a driver's seat.

[0002]

[Prior art]

 The conventional automatic door opening device for automobiles consists of an operation switch installed near the driver's seat, a door moving device that moves the door in the direction of opening by a motor, and a door lock latch that is connected to the door lock open lever. The vehicle is equipped with an actuator that disengages the striker on the vehicle body side, and when the door is fully closed, the actuator is first operated by operating the operation switch to release the engagement between the door lock and the striker, and , The door is pushed out a little in the opening direction by the seal reaction force, and the door switch that detects the open state of the door is activated, which activates the door moving device and forcibly moves the door in the opening direction. It is like this.

[0003]

[Problems to be solved by the device]

 However, in the conventional device as described above, even if the actuator is operated and the door lock is released, the door switch is operated due to the deterioration of the seal reaction force due to long-term use, the influence of door installation, etc. If the door cannot be pushed all the way to the position, or if the door open state cannot be detected due to a malfunction of the door switch, etc., the door moving device will be operated despite the operation switch being operated. Does not work and the door cannot be opened.

In view of the above problems of the prior art, the present invention makes it impossible to push the door in the opening direction sufficiently when the operation switch is operated, or the door switch causes the door to open. It is an object of the present invention to provide an automatic door opening device for an automobile, which can operate the door moving device in the door opening direction even when the vehicle cannot be detected.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the device of the present invention is provided with a door moving device that can forcibly move the door from the closed position toward the door opening direction, and the door lock and the striker are disengaged from each other. And a door switch for detecting the door open state, and the operation switch actuates the actuator and operates the door moving device in the door opening direction based on the operation of the door switch. In an automatic door opening device for automobiles that allows the door to be forcibly moved in the opening direction, the timing is started by operating the operation switch, and the setting is made by the door switch not operating within the preset time. It is characterized in that a first timer is provided for activating the door moving device after a lapse of time.

In addition to the first timer, the first timer starts timing when a set time elapses, and the door moving device is operated by the operation of the first timer, and then a predetermined time is set. A second timer may be provided to stop the operation of the door moving device after the set time has elapsed due to the door switch not operating within the set time.

[0007]

[Action]

 Even if the door lock is disengaged from the striker due to the actuator operation, the door will not be opened enough to operate the door switch due to deterioration of the seal reaction force or the effect of door installation. If not, the door moving device is activated after the elapse of the set time of the first timer, so the device will not be disabled due to the above reasons.

Further, when the door moving device is actuated by the operation of the first timer but the door switch is not actuated, the door movement is performed after the set time of the second timer elapses. Since the operation of the device is stopped, it is possible to immediately know that something is wrong with the door switch.

[0009]

【Example】

 An embodiment in which the present invention is applied to an automatic opening / closing device for a sliding door of an automobile will be described below with reference to the accompanying drawings. In FIG. 5, (11) is the vehicle body of the automobile, and (12) is moved slightly outward from the side surface of the vehicle body (11) by an appropriate guide means (not shown), and then the vehicle body (11) is moved. It is a sliding door (hereinafter simply referred to as a door) that opens rearward parallel to the side surface and closes in the opposite direction. A door moving device (A) for forcibly opening and closing the door (12) from the fully closed position to the fully open position and vice versa is provided on the lower surface of the floor of the vehicle body (11).

The door moving device (A) has a middle portion fixed to a bracket (13) fixed to the inner surface of the front lower part of the door (12), and a part of the door moving device (A) is parallel to the movement locus of the door (12). Both ends of the wire (14) that was made to reciprocate are wound around the winding drum (15), and the winding drum (15) is connected to the reduction gear (17) by the door moving motor (16). By rotating the wire (14) back and forth through the wire (14), the door (12) can be opened and closed as described above.

The vehicle body (11) facing the front end face of the door (12) has a door (12) when the door (12) is located between the fully open position and at least a half-latched position described later. A door switch (18) is provided which is turned on by contacting the front end face of ().

Reference numeral (20) is a temporary stop switch provided on the vehicle body (11). When the door (12) is closed by the door moving device (A), the position is about 20 to 30 cm before the fully closed position. By contacting the front end face of the door (12), the door (12) can be momentarily closed and turned on, the door moving device (A) can be stopped, and the door (12) can be temporarily stopped at that position. In this temporary stop state, the circuit of the door moving motor (16) is closed, the motor brake is operated, and the braking force is applied so that the door (12) does not inadvertently move.

Reference numeral (21) is an operation switch provided in the vicinity of the driver's seat of the vehicle body (11), which has an opening operation switch and a closing operation switch, and operates the switches to move the door. The door moving device (A) can be operated in the opening direction and the closing direction by rotating the door (16) in the forward and reverse directions. (24) is a battery as a power source.

Reference numeral (25) is a power feeding connector provided so as to be retractable between the facing surface of the vehicle body (11) facing the front end surface of the door (12) and the front end surface of the door (12). When is close to the fully closed position, the vehicle-body-side connector (26) and the door-side connector (26a), which face each other, come into contact with each other, and power can be supplied from the vehicle body (11) to the door (12).

Inside the door (12), the door (12) barely engages with a latch (not shown) in the door lock (27) and a striker (not shown) fixed to the vehicle body (11) side. When the door is closed to the half-latch position, which is a so-called half-door state, the door (12) is closed to the fully closed position by forcibly rotating the latch, and the door (12) is closed. An actuator (C) that is linked to the open lever (28) of the lock (27) and that unlocks the latch by rotating this open lever in the releasing direction to enable the door (12) to open. And are provided. When the actuator (C) releases the engagement between the latch of the door lock (27) and the striker by the door opening operation of the operation switch (21), the door (12) separates the door (12) from the vehicle body. The seal reaction force of a seal (not shown) provided between the door switch (18) pushes and moves the door switch (18) to a position where the open state of the door (12) is detected.

The closure (B) meshes with the pinion (31) via the reduction mechanism (30) and the pinion (31) fixedly fitted to the output shaft of the closure by rotating the closure motor (29) in the normal direction. The sector gear (32) is rotated, and the rotation of this sector gear (32) causes the cable (33) to rotate the close lever (34) linked to the sector gear (32) in the required direction. Moreover, by rotating the closing lever (34), the arm portion (35) of the door lock (27) extending above the latch is rotated to rotate the latch to the full latch position where it is completely meshed with the striker. Therefore, the door (12) can be forcibly closed from the half-latch position to the fully closed position.

When the closure motor (29) is rotated in the reverse direction, the sector gear (32) and the close lever (34) are rotated back to their original positions, and the neutral switch (32a) for detecting the neutral position of the sector gear (32). Is turned off and the sector gear (32) is stopped in the neutral position.

(36) is a half-latch switch provided on the door lock (27), which detects the position of the latch when the door (12) reaches the half-latch position and turns on. .

In FIG. 4, (37) is a parking switch that is turned on by detecting that a parking brake (not shown) has been braked, and (38) is a vehicle speed switch that detects the running state of the vehicle. When the operation switch (21) is operated, the timer (T1), (T2), (T3) operates as a timer (T1), (T2), (T3) that measures a predetermined set time according to each condition described later. ), (T4) provided timer control section, (40) is a door movement motor of the door movement device (A) according to the operation of each timer (T1), (T2), (T3), (T4). It is a door opening / closing control circuit section for controlling the (16), the closure motor (29) of the closure (B), and the actuator (C).

The timer control section (39) operates the operation switch (39) when the door (12) is fully closed and the parking switch (37) and the vehicle speed switch (38) are on. When the door is opened, the timer (T1), which is the first timer, and the timers (T2) and (T3) start timing at the same time, and the timer with the shortest set time (for example, 1 second) is counted. When the set time elapses without the door switch (18) detecting the door open state within the set time of the marker (T1), the door opening / closing device (A) is operated and the second switch is started from that time. If the door switch (18) does not detect the door open status even within the set time (for example, 1 second) of the timer (T4), which is the timer of the The operation is controlled so that the operation of the door opening / closing device (A) is stopped immediately after the passage of. Also, under the above conditions, when the set time (for example, 4 seconds) of the timer (T3) elapses after the operation switch (21) is opened, the operation of the actuator (C) is forcibly stopped, When the timer (T2) having the longest set time has passed the set time (for example, 15 seconds), the operation of the door moving device (A) is forcibly stopped.

Next, the operation of the embodiment will be described with reference to the flowcharts shown in FIGS. The door (12) is fully closed, the parking switch (37) detects the braking operation of the parking brake, and the vehicle speed switch (38) detects that the vehicle is stopped and is on. In step (S1), if the operation switch (21) is operated to open the door, the timer (T1), (T2), (T3) of the timer control unit (39) is operated in steps (S2) (S3) (S4). Are each activated and start timing. In step (S5), if the door (12) is in the fully closed position and the door switch (18) is off, the process proceeds to step (S6). At this time, if the neutral switch (32a) does not detect the neutral position of the sector gear (32) of the closure (B), the process proceeds to step (S8) to return and move the closure (B) to the neutral position. Proceeding to step (S7), the actuator (C) is released and the latch of the door lock (27) is disengaged from the striker, and the door (12) moves in the door opening direction due to the seal reaction force. Can be moved slightly.

When the door (12) is moved in the door opening direction and the door switch (18) detects the door open state of the door (12) and is turned on in step (S9), the process proceeds to step (S10). Then, the door moving motor (16) is operated, the door (12) is moved toward the fully opening direction by the door moving device (A), and the process proceeds to the subroutine A of step (S11). As shown in FIG. 3, in step (S22), when the timer (T3) times out, that is, when the set time has elapsed, at this point, the actuator (C) stops operating and returns to the neutral position. . In step (S22), if the power supply connector (25) separates and turns off before the timer (T3) times out, the operation of the actuator (C) immediately stops and the process proceeds to step (S12). If (T2) is operating, the fully open switch (18a) that detects the fully open position of the door (12) is turned off in step (S13), and the operation of the door moving device (A) is activated in step (S14). The operation is stopped and then the operation of the operation switch (21) is stopped (step S15) to complete a series of operations.

In the step (S9), if the door (12) is not sufficiently pushed in the opening direction due to the deterioration of the seal reaction force or the influence of the building of the door (12), etc. Proceed to S16), the timer (T1) expires before the door switch (18) detects the door open state. Then, immediately, the timer (T4) starts to operate in steps (S17) (S18), and the door moving device (A) is operated in the opening direction to force the door (12) in the opening direction. To the subroutine A, and when the timer (T 3) times out, the operation of the actuator (C) is stopped. When the door (12) moves in the opening direction and the door switch (18) detects the open state of the door (12) in step (S20) and turns on, the timer (T2) is operating or The door moving device (A) is operated to move the door (12) toward the fully open direction until the fully open switch detects the fully open state of the door (12). Therefore, when the door is operated by the operation switch (21), the door (12) is moved in the door opening direction enough to operate the door switch (18) even though the actuator (C) is operated. Even if it is not moved, the door (12) can be moved in the opening direction by operating the door moving device (A) by the operation of the timer (T1).

In step (S20), even though the door (12) has moved to the open position, it becomes impossible to detect the open state of the door (12) due to a failure of the door switch (18). If it does, the door moving device (A) is operated to move the door (12) in the opening direction until the timer (T4) times out, and in step (S21) the timer (T4) is timed up. At the same time, the door opening / closing control circuit (40) stops the operation of the door moving device (A) and stops the movement of the door (12). Therefore, it is possible to detect a failure of the door switch (18) at an early stage.

[0025]

[Effects of the Invention] As described above, the present invention opens the door moving device even when the door cannot be sufficiently pushed to the position where the door switch is activated due to deterioration of the seal reaction force and the like. The door can be reliably opened by operating in the direction of the door (invention according to claim 1). Also, when the door open state cannot be detected due to a failure of the door switch, the door moving device can be stopped after a lapse of a predetermined time, so that the failure can be detected early and it is safe. 2).

[Brief description of drawings]

FIG. 1 is a flow chart during a door opening operation showing an embodiment of the present invention.

FIG. 2 is a continuation of the flowchart of FIG.

FIG. 3 is a flowchart of a subroutine shown in FIG.

FIG. 4 is a block diagram showing an embodiment of the present invention.

FIG. 5 is a schematic perspective view of a main part including an automatic door opening device to which the present invention is applied.

[Explanation of symbols]

(A) Door moving device (11) Vehicle body (12) Door (16) Door moving motor (18) Door switch (20) Pause switch (21) Operation switch (29) Closure motor (39) Timer control unit (40) Door open / close control circuit (T1) timer (first timer) (T4) timer
(Second timer)

Claims (2)

[Scope of utility model registration request] 1. A door moving device capable of forcibly moving a door from a closed position toward a door opening direction, an actuator for releasing the engagement of a door lock and a striker to enable the door opening, and a door. Door switch that detects the door open state of the door, the actuator is operated by the operation switch, and the door moving device is operated in the door opening direction based on the operation of the door switch to forcibly open the door. In an automatic door opening device for a vehicle that can be moved to, the timing is started by operating the operation switch, and the door switch does not operate within a preset set time, so that the door moving device is operated after the set time elapses. An automatic door opening device for an automobile, comprising a first timer for operating. 2. A door moving device capable of forcibly moving the door from the closed position toward the door opening direction, an actuator for releasing the engagement between the door lock and the striker to enable the door opening, and a door. Door switch that detects the door open state of the door, the actuator is operated by the operation switch, and the door moving device is operated in the door opening direction based on the operation of the door switch to forcibly open the door. In an automatic door opening device for a vehicle that can be moved to, the timing is started by operating the operation switch, and the door switch does not operate within a preset set time, so that the door moving device is operated after the set time elapses. The first timer to be operated and the first timer starts timing when the set time has elapsed, and the door moving device is activated by the operation of the first timer. And a second timer for stopping the operation of the door moving device after the set time has elapsed due to the door switch not operating within a predetermined set time after the automatic operation of the automobile. Door opening device.