JPH11170867A - Opening method of door for vehicle and device thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening device of a door for a vehicle wherein when operation unlocking a door lock is performed, the door lock is unlocked so as to open the door in a prescribed opening position. SOLUTION: A door 12 is closed further with a door lock in a locked condition, when a remote control switch 28 is operated so as to open the door 12, a door lock device is placed in an unlock condition, and meshing of a latch 15 and a striker 14 is released. Under this condition, an opening lever 24 for actuating the door 12 in the opening direction is operated, the door 12 is opened to a prescribed opening. In this way, an occupant, without operating an outside handle 19 by placing the door 12 in an opened condition, can easily get on in a vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door for automatically opening a door to a predetermined open position when a latch mechanism for holding the door closed is operated to an unlocked state. Related to open technology.

[0002]

2. Description of the Related Art Doors for vehicles such as passenger cars are designed to be opened and closed by pivoting about a door hinge, and to be opened and closed by sliding along a rail called a sliding door. There is a type that did.

[0003] In any type of door, a striker is mounted on the vehicle side, and a latch mechanism including a latch that engages with the striker is mounted on the door side. In order to keep the door closed, the latch mechanism incorporates a door lock device that invalidates the operation of the latch when engaged with the striker on the vehicle side. As a meshing position of the latch and the striker of the latch mechanism, a regular meshing position that prevents the door from being opened at once even if the lock is released during traveling, that is, a full latch position,
There are two stages, that is, a half-door position where the door is not completely closed, that is, a half-latch position. When these engagements are released, the latch is in the unlatched position.

[0004] Handles for opening and closing the door include an outside handle, an inside handle, and a pull handle. The outside handle has a function of releasing a latch mechanism from outside the vehicle and a function of a handle for opening and closing the door. doing. The inside handle is used to release the latch mechanism from inside the vehicle, and the pull handle is a handle for closing the door from inside the vehicle, and often serves as an armrest. A knob is provided inside the door to lock and unlock the door lock device in the vehicle.

[0005]

In recent years, when a door lock device is locked or unlocked from outside the vehicle, a key is not inserted into a key hole (cylinder) of the door and operated without operating a remote control switch. A system has been developed which allows the door lock device to be remotely controlled at a position away from the door. According to this, the troublesome operation of inserting the key into the key hole and turning the key to lock and unlock the door lock device is unnecessary, and furthermore, when the key hole is difficult to understand in a dark place, or while holding the luggage The operation of locking and unlocking is convenient.

However, in this system,
The door lock device can be unlocked when getting on,
The occupant must open the door, so when riding with luggage, the outside handle must be pulled while holding the weight with the hand holding the luggage. .

Further, when the door is opened by operating the outside handle, an occupant's fingernail may hit the vehicle surface of the handle mounting portion, and the painted surface may be finely scratched.

On the other hand, in a taxi or the like, the door is automatically opened and closed by an opening and closing device directly connected to the door, and the door is automatically opened and closed by a driver operating a lever. However, in this case, since the link mechanism of the opening / closing device is directly connected to the door, it is necessary to crawl the link mechanism from the driver's seat to the door.

It is an object of the present invention to automatically release the latch and automatically open the door to a predetermined open position.

[0010]

SUMMARY OF THE INVENTION Among the inventions disclosed in the present application, the outline of a representative one will be briefly described.
It is as follows.

That is, a method for opening a vehicle door according to the present invention is a method for opening a door for a vehicle, the door being openably and closably attached to a vehicle body and having a latch engaged with a striker provided on the vehicle body. A latch release step of operating the latch to release the engagement state between the latch and the striker when the release of the latch is commanded by operating the switch; and a state in which the engagement between the latch and the striker is released. A door opening step of opening the door to a range in which the occupant can open the door.

A vehicle door opening device according to the present invention is a vehicle door opening device for opening a door which is openably and closably attached to a vehicle body and has a latch which meshes with a striker provided on the vehicle body. When the release of the latch is instructed by the operation of (1), latch release means for operating the latch to release the engagement state between the latch and the striker, and the latch release means for releasing the engagement between the latch and the striker. And a door opening means for opening the door to a range in which an occupant can open the door.

According to the present invention, when the latch is released by the operation of the switch, the door is automatically opened to a range where the occupant can open the door. Can be opened to a predetermined position to easily get on the vehicle.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a view showing a door of a vehicle to which a vehicle door opening device according to an embodiment of the present invention is assembled, and a portion around the door.
A front door 12 for opening / closing an opening on the front seat side of the vehicle body 10 is attached to 1 via two upper and lower hinges 13 so as to be openable and closable. In order to hold the door 12 in the closed state, a latch 15 that engages with the striker 14 fixed to the vehicle body 10 is attached to the door 12, and the door 12 is held in the closed state by the striker 14 and the latch 15. Become.

An inside handle 16 for releasing a latch from inside the vehicle is provided on an inner surface of the door 12, and a door 1 is provided from inside the vehicle.
A pull handle 17 is provided as a handle when closing 2. In order to operate the latch between a locked state and an unlocked state in the vehicle, a knob 18 called a silcon knob is provided on the inner surface of the door 12. On the outer surface of the door 12, a latch is released from outside the vehicle, and the door 12
Outside handle 19 as a handle when opening and closing the
The outside handle 19 is shown by a broken line in FIG.

FIG. 2 shows a known striker 14 and a latch 15.
Is a diagram showing the meshing state between a state in which the latch 15 latch 15 is moved relative to the striker 14 on the vehicle body side by the closing movement of the door 12 becomes fully latched position L ₁ are indicated by solid lines, door 12 is a state of half-latched position L ₂ that is a half door not completely closed is shown by two-dot chain line, the latch 15 by further latch 15 rotates the latch release position L _3, and the latch 15 and the striker Thus, the engagement with 14 is released.

FIG. 3 is an enlarged plan view showing a main part of FIG. 1. As shown in FIGS. 1 and 3, a motor 21 for opening a door is mounted on A link 23 is fixed to the shaft 22 that reciprocates in the range of the angle θ. An opening lever 24 is rotatably connected at one end of the link 23 by a pin 25 at one end thereof, and the other end of the opening lever 24 is connected to the vehicle body 1.
The door 12 is brought into contact with the door 12 at a position close to the hinge 13 through an opening 26 provided in the door 13. These mechanisms are arranged at the front end of the door, and are in a position where they do not obstruct the occupant from getting on and off (stepping over the foot).

Therefore, when the motor 21 is driven to operate the opening lever 24 from the position shown by the solid line to the position shown by the two-dot chain line via the link 23, the door 12 is opened and moved to the operable range by the occupant. Will be. The openable range includes the angle θ, the link 23,
The opening lever 24 can be freely set depending on the size of the door 12 and the contact position of the opening lever 24, so that a hand or the like can enter the inside of the door 12 without opening the door 12 to the fully open position. Is set.

The opening lever 24 driven by the motor 21 is separated from the door 12 and attached to the vehicle body 10, so that the opening and closing operations of the door 12 are performed by the operation of the opening lever 24. Can be done independently.

FIG. 4A is a cross-sectional view showing the door 12 closed and in a fully latched state. In this figure, the knob 18 operated in the door locked state is shown in black. In order to open the door 12 under this condition,
This shows a state where the remote control switch, that is, the remote control switch 28 has been operated. When the remote control switch 28 is operated in this manner, a door lock unlocking actuator that is incorporated in the door 12 and unlocks the locked door lock device operates, and the door lock is unlocked. As shown in FIG. 4B, the knob 18 is also unlocked.

[0022] When the door lock is unlocked, Thereupon, the latch 15 of the door lock operating actuator for the latch operation incorporated in the door 12 is a half-latched position L ₂ from the fully latched position L ₁ through the unlatched position L ₃ in. FIG. 4C shows the latch 15 in the unlatched state.

When the latch is released, the limit switch attached to the vehicle body 10 is turned on, and the latch 15
Is confirmed to be in the release position. In a state where this is confirmed, the motor 21 is driven to release the opening lever 2.
By protruding the door 4 from the vehicle body 10, the door 12 is automatically opened to the door opening operable range as shown in FIG. After the door 12 has been opened to an angle within a range in which the occupant can perform the opening operation, the opening lever 2 is opened.
4 is returned to the original position by the motor 21. At this time, since the opening lever 24 is separated from the door 12, the operation of further opening and closing the door 12 at this position can be performed independently of the door opening device.

FIG. 5 is a flowchart showing the door opening process shown in FIG. 4 in the above-described vehicle door opening device. When the remote control switch 28 is operated to open the door 12 in step S1, S2 to S2 are performed. S5 is executed and the door is opened. Step S2 is a door unlocking process, and step S3 is a latch releasing process.
Step S5 is a door opening process.

When the door opening process is completed, the door opening lever 24 returns to the original position by the rotation of the motor 21 and is retracted toward the vehicle body 10, and the door 12 is further moved irrespective of the operation of the opening lever 24. Can be opened and closed. Even if the remote control switch 28 is not operated, the door lock can be locked or unlocked by operating the key as in the related art.

FIG. 6 is a block diagram showing a control circuit of the above-described door opening device. When a command to open the door 12 is given to the control unit 31 by the remote control switch 28,
A signal is sent from a remote control signal receiving unit 32 that receives the signal, and a signal is sent from a limit switch 33 that detects that the latch is released. Signals are sent from the control unit 31 to an actuator 34 for unlocking the door, an actuator 35 for operating the latch, and the motor 21 for opening the door.

When the door 12 is pushed open by the opening lever 24 in the door moving process, and the door 12 is opened to a predetermined degree or more up to the opening operable range by the occupant, the door 12 is opened. A door checker 41 rotatably connected to the vehicle body 10 enters the door 12 as shown in FIG.

As the door checker 41, a known one can be used.
The present applicant filed Japanese Patent Application No. Hei 8-296892 in Heisei
The vehicle door checker filed on November 8, 2011 is used.

The door checker 41 will be described with reference to FIGS. As shown, pillar 1
A support pin 43 is attached to the bracket 1 by a bracket 42, and the support pin 43 is parallel to the rotation center axis of the hinge 13. A checker arm 44 is rotatably attached at one end to the support pin 43.
Is inserted between a door outer panel 12a and a door inner panel 12b which constitute the door 12. Door 1
A checker portion 45 is mounted in the inside 2, and the arm 44 passes through the inside of the checker portion 45. A stopper 46 is provided at the other end of the arm 44 to regulate the fully open position of the door 12. When the door 12 is opened to the fully open position, the stopper 46 comes into contact with the checker section 45.

The illustrated arm 44 has a width D shown in FIG.
8 are formed of plate members having thickness dimensions d and d 'shown in FIG. 8, and both sides having a width dimension D are check surfaces 47 and 48. In the case shown in FIG. 48 is perpendicular to the support pin 43.

A holder 49 is provided on the door 12 with a bolt 49.
a, 49b, and the arm 44 passes through a through hole 50 formed in the holder 49. A receiving groove 51 having a quadrangular cross section and opening on the check surface 48 of the arm 44 is formed in an upper portion of the arm 44 in the holder 49.
The accommodation groove 51 accommodates a metal roller 52 having a circular cross section for pressure contact, and the roller 52 comes into contact with the check surface 48 of the arm 44. An accommodation groove 53 having a quadrangular cross section and opening to a check surface 47 of the arm 44 is formed in a lower portion of the arm 44 in the holder 49, and the accommodation groove 53 is fastened toward and away from the check surface 47 so as to be movable toward and away from the check surface 47. Block 54
Is housed.

On the surface of the tightening block 54 facing the arm 44, an open-side inclined surface 55 extending along the longitudinal direction of the arm 44 and inclined toward the one end of the arm 44 toward the arm 44 is provided. A closed inclined surface 56 is formed along the longitudinal direction of the arm 44 and in a direction approaching the arm 44 toward the other end of the arm 44. By these two inclined surfaces 55 and 56, a receiving recess 57 having a V-shaped cross section is formed in the tightening block 54 as shown in the drawing. They are arranged in parallel.

In the case shown, the closing inclined surface 56 is a first inclined surface which presses the roller 58 toward the checker arm 44 when applying a resistance force to the door 12 in the closing direction. The open side inclined surface 55 is
The roller 58 is a second inclined surface that presses the roller 58 toward the checker arm 44 when a resistance force is applied in a direction to open the roller 58.

To move the tightening block 54 toward and away from the check surface 47 of the arm 44,
9 is screwed to a holder 49, and the screw member 59 is driven by a motor 61 as a driving means via a link mechanism 62. Therefore, when the screw member 59 is rotated by the motor 61 so that the distal end of the screw member 59 protrudes into the accommodation groove 53, the tightening block 54 approaches the check surface 47 and enters the check operation state. Conversely, when the screw member 59 is rotated in the opposite direction and is moved backward, the tightening block 54 is separated from the check surface 47 side, and the check is disabled.

By moving the tightening block 54 away from the arm 44, the gap between the two rollers 52 and 58 is set to the thickness d of the arm 44.
When the tightening block 54 is set in the check inoperative state until it is set to a larger value, the neutral position is set by the weight of the roller 58, and the door 12 is moved from the fully closed position shown by the solid line in FIG. OK, door 1
No braking force is applied to 2, and the door 12 can be opened and closed lightly.

On the other hand, when the tightening block 54 is moved toward the check surface 47 by rotating the screw member 59 with the door 12 opened to an arbitrary opening, the tightening block 54 Set to active state. When the door 12 is moved in the opening direction in this state, the roller 58 is sandwiched between the open-side inclined surface 55 and the check surface 47 of the arm 44, and the roller 5
8 will be tightened more strongly. As a result, the roller 58 fixes the arm 44 by the self-tightening action, and
2 is securely locked. Even when the door 12 is moved in the closing direction, the roller 58 is similarly
The door 12 is locked by being sandwiched therebetween.

Therefore, when the door 12 is opened to the operable range by the occupant by the opening lever 24 by the driving of the motor 21, when the opening operation is performed to that angle or an angle larger than that angle, the motor Actuation of 61 allows door 12 to be locked in its position. As a result, the door 12 can be operated by remote control.
The door 12 can be stopped without being affected by an unexpected wind or an inclined surface even if is automatically opened at a predetermined angle.
Further, when the vehicle is stopped in a narrow space, it is possible to prevent the door 12 from colliding with an adjacent vehicle or another obstacle when the door 12 is opened. Further, when the occupant gets on and off the vehicle, the occupant can grasp the door 12 and use it as a support, thereby improving comfort when getting on and off the vehicle. The position or opening degree at which the door 12 is locked can be set arbitrarily according to the type of vehicle, the size of the door, and the like.

A touch sensor is provided on a predetermined portion of the inner surface or outer surface of the door 12, and when the occupant's hand touches the touch sensor, the motor 61 is driven to check the tightening block 54 with the screw member 59. In this case, even if the door 12 is locked in a state where the door 12 is opened to a range where the occupant can open the door 12, the door 12 is locked by hand or the like without operating the outside handle 19 because the check is not performed. The opening operation can be easily performed.

The rollers 52, 58 as braking members
When the portion of the arm 44 with the thickness dimension d 'is located at the position shown in FIG.
When the roller 4 is set to the operating state, the rollers 52 and 58 are set so that the wedge action does not work.
In the range in which the door 4 operates, the door 12 can be opened by the opening lever 24 by the driving of the motor 21 without receiving the action of the door checker 41.

To release the lock of the door 12 fixed at a predetermined opening, the screw member 59 is rotated to move the tightening block 54 away from the check surface 47 of the arm 44 in the vertical direction. At this time, tightening block 5
Since a force in the separating direction is acting on 4, the lock can be released with a small load.

As described above, when the door 12 is set to the checker inoperative state when the door 12 is opened and closed, no tightening force acts on the arm 44, so that a resistance force, a braking force or a sense of moderation acts on the door 12. In addition, the door can be opened and closed lightly to an arbitrary position, so that the occupant can easily get on and off.

Although the illustrated door 12 is a driver's seat side door, a door opening / closing device may be similarly incorporated in a passenger side door and a rear seat door.

Adjustment screws 71 and 72 are screwed to the holder 49 at both sides of the roller 58. When the door 12 is moved in the opening direction indicated by the arrow O in FIG. 3 in a state where the tightening block 54 is set to the operating state, the adjusting screw 71
8 restricts the amount of movement of the roller 58 toward one end of the arm 44 by contact. When the door 12 is moved in the closing direction indicated by the arrow C, the adjustment screw 72 restricts the amount by which the roller 58 comes into contact with the stopper surface 72 a and moves toward the other end of the arm 44. The stopper surfaces 71a and 72a of the adjusting screws 71 and 72 are
It has a function to limit the pressing force against the force to limit the resistance.

By regulating the amount of movement of the roller 58 in this manner, the amount of engagement of the roller 58 is regulated, and the door 12 can be locked without locking the door 12 to the arm 44.
When the door 2 is stopped at an arbitrary position, a predetermined sliding force, that is, a sense of moderation can be given to the door 12. Accordingly, when an opening / closing force exceeding the slip resistance is applied to the door 12 in a state where the door 12 is stopped, the door 12 can be opened and closed. Therefore, even if a failure occurs in the mechanism for disabling the tightening block 54, if a force exceeding the braking force applied to the door 12 is applied to the door 12, the door 12 is opened and closed.

If the gap between the adjusting screw 71 and the roller 58 when the roller 58 is in the neutral position and the gap between the adjusting screw 72 and the roller 58 are set to be the same, the roller 58 is engaged. The same slip resistance is applied to the door 12 in the opening direction and the closing direction of the door 12 in the open state. On the other hand, by making the gap between the roller 58 and the adjusting screw 71 in the neutral position different, the slip resistance in the direction in which the door 12 is closed and the slip resistance in the direction in which the door 12 is opened are made different from each other. Can be.

As described above, the invention made by the present inventor has been specifically described based on the embodiment. However, the present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist thereof. Needless to say, there is. For example, a switch may be provided on the door instead of the switch by the remote control.

[0047]

Advantageous effects obtained by typical ones of the inventions disclosed in the present application will be briefly described.
It is as follows.

In the present invention, the door latch can be released and the door can be automatically opened by operating the remote control switch. Thus, the occupant can get on the vehicle without operating the outside handle, and the occupant can easily enter the vehicle even with the luggage in both hands.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a part around a door of a vehicle in which a vehicle door opening device of the present invention is incorporated.

FIG. 2 is a schematic view showing a door lock having the ratchet shown in FIG. 1;

FIG. 3 is a plan view showing the door opening means shown in FIG.

FIG. 4 is a plan view showing a procedure for opening a door.

FIG. 5 is a flowchart showing a procedure for opening a door.

FIG. 6 is a block diagram illustrating a control unit that controls the operation of the door opening device.

FIG. 7 is a sectional view showing details of a door checker shown in FIG. 1;

8 is a sectional view taken along line 8-8 in FIG. 7;

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 vehicle body 11 pillar 12 door 13 hinge 14 striker 15 latch 16 inside handle 17 pull handle 18 knob 19 outside handle 21 motor (door opening motor) 22 shaft 23 link 24 opening lever 25 pin 26 opening 28 remote control switch 31 control Unit 32 remote control signal receiving unit 33 limit switch 34 actuator 35 actuator 41 door checker 44 checker arm 45 checker unit 47, 48 check surface 49 holder 51 housing groove 52 roller 54 tightening block 55 open side inclined surface 56 closed side inclined surface 58 roller 61 Motor 62 Link mechanism 71, 72 Adjustment screw

Claims (2)

[Claims] 1. A method of opening a vehicle door for opening a door having a latch which is attached to a vehicle body so as to be openable and closable and meshes with a striker provided on the vehicle body, wherein the release of the latch is commanded by operating a switch. A latch release step of operating the latch to release the engagement state between the latch and the striker, and opening the door by an occupant under the state where the engagement between the latch and the striker is released. Opening a door to an operable range. 2. A vehicle door opening device for opening a door which is openably and closably attached to a vehicle body and has a latch which meshes with a striker provided on the vehicle body, wherein release of the latch is commanded by operating a switch. Latch release means for operating the latch to release the engagement state between the latch and the striker; and opening the door by an occupant in a state where the engagement between the latch and the striker is released. Opening means for opening the door to an operable range.