JP6436652B2 - Unlock holding structure for automotive door inner handle - Google Patents

Description

  The present invention relates to an unlock holding structure for a door inner handle for an automobile, in which a lock knob of a door inner handle is held in an unlocked state when a vehicle side collision occurs.

  In the automobile, when the door is closed, the locking piece of the door locking mechanism is locked to the vehicle body side so that the door is held in the closed state. When the door is opened from the outside of the vehicle, the door outer handle is rotated. When the door is opened from the inside of the vehicle, the handle is released by rotating the handle body of the door inner handle, so that the door can be opened. A structure has been proposed in which the door outer handle or the handle body of the door inner handle is rotated to prevent the door from being opened when the door receives a strong pressing force from the outside due to a vehicle side collision (for example, a patent) Reference 1 and Patent Reference 2).

JP 2002-47844 A JP-A-9-165842

By the way, the door inner handle is constituted by the handle body for releasing the lock by the door lock mechanism and a lock knob for locking the lock. If this lock knob is locked, the door cannot be opened from the outside.

In recent years, the abolition of the door belt line rein hose has been studied to reduce the vehicle weight, and there is a concern that the deformation of the door to the vehicle interior side at the time of a vehicle side collision will increase. Even when the lock knob is in an unlocked state, if the deformation of the door at the time of a vehicle-side collision increases, the lock knob rotates to the lock side, the door is locked, and the rescue of the occupant may be delayed.

As a countermeasure, if the lock / unlock of the door locking mechanism is electrically controlled before and after the vehicle side collision, the cost, weight, and productivity are deteriorated.

  The present invention has been made in view of the above-described conventional situation, and is capable of holding the door inner handle for an automobile to be unlocked when the lock knob is in a locked or unlocked state and can be held in an unlocked state when a vehicle side collision occurs. The challenge is to provide a structure.

The invention according to claim 1 is an unlock holding structure for a door inner handle for an automobile in which a door inner handle including a handle main body and a lock knob supported rotatably by a pivot pin is attached to a door inner panel.
In the part facing the door closed cross-sectional space of the door inner panel and / or the door outer panel, a pressing member that is displaced toward the vehicle interior side by deformation of the door at the time of a vehicle side collision is provided,
Pressing member includes a lock knob protrusions to prevent movement of the lock knob in the locking direction is moved in the unlocking direction, the vehicle interior side so as to face the vehicle front-rear direction rear portion than pivot pin of said handle body And a handle body protrusion that prevents the handle body from rotating in the door opening direction by contacting or approaching the rear portion of the handle body in accordance with the displacement of the pressing member. It is a feature.

According to the door inner handle unlock holding structure according to the present invention, when the lock knob is in the unlocked state, when the door is displaced to the vehicle interior side due to a vehicle side collision, the pressing member moves to the lock side. Stop. Further, when the lock knob is in the locked state, when the door is displaced toward the vehicle interior due to a vehicle side collision, the pressing member moves the lock knob to the unlock side and prevents the lock member from moving to the lock side. Furthermore, the handle main body protrusion prevents the handle main body from turning inward by contacting or approaching the rear portion of the handle main body, thereby preventing the door from being opened.

As described above, according to the present invention, the lock knob can be held in the unlocked state when the vehicle side collision occurs, regardless of whether the lock knob is in the locked or unlocked state. It can prevent troubles.

  Further, the lock knob is held in an unlocked state by a pressing member that is displaced toward the vehicle interior due to deformation of the door at the time of a vehicle side collision, and the above effect is realized. Since it is not necessary to control, the problem that cost, weight, and productivity deteriorate does not arise.

It is the model side view which looked at the positional relationship of the door inner handle and steering wheel to which the unlocking | holding holding structure of the door inner handle which concerns on the Example of this invention was applied from the vehicle interior side. FIG. 2 is a sectional front view of the holding structure (a sectional view taken along line II-II in FIG. 1). It is a top view of the holding structure. It is a side view of the holding structure. It is a perspective view of the pressing member of the holding structure.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  FIG. 1 to FIG. 5 are views for explaining an unlock holding structure for an automobile door inner handle according to an embodiment of the present invention. In this embodiment, front, rear, left, and right mean front, rear, left, and right as viewed from the front of the vehicle.

  In the figure, reference numeral 1 denotes a door on the driver's seat side. The door 1 forms a closed cross-sectional space in the middle with the door outer panel 1a and the door inner panel 1b, and the vehicle interior side surface of the door inner panel 1b is trimmed with a door trim. It has a schematic structure covered with 1c. In addition, although not shown in figure, in the closed cross-sectional space of the said door 1, the door glass and its raising / lowering mechanism are arrange | positioned.

  A steering wheel 2 is disposed on the vehicle interior side of the door 1 so as to be positioned in front of the driver M. The steering wheel 2 has a circular ring shape, and is fixed to the upper end of a steering column 2a that extends obliquely forward and downward.

  A door inner handle 3 is attached to the door inner panel 1b through a base member 6 so as to substantially wrap with the steering wheel 2 in a vehicle side view. The door inner handle 3 includes a handle body 10 that is rotated when the door is opened from the vehicle interior side, and a lock knob 11 that is rotated when locking and unlocking the door locking mechanism. .

The handle main body 10 includes a gripping portion 10a that an occupant grips, and a boss portion 10b that is integrally formed at a rear end portion of the gripping portion 10a and supports the handle main body 10 so as to be rotatable. Similarly, the lock knob 11 includes an operation portion 11a that is rotated by an occupant, and a boss portion 11b that is integrally formed with the operation portion 11a and supports the lock knob 11 so as to be rotatable.

  The base member 6 inserts engagement claws 6d, 6d formed at the front end of the back surface into engagement holes 1d, 1d of the door inner panel 1b, and engagement pins 6c formed at the rear end of the door inner panel 1b. The tapping screw 5b is screwed into the door inner panel 1b and is fixed to the door inner panel 1b.

  The base member 6 includes a holding recess 6a for inserting a hand when an occupant grips the holding portion 10a of the handle main body 10, and a support portion 6b for supporting the handle main body 10 and the bosses 10b and 11b of the lock knob 11. Have. Both the boss portions 10b and 11b are rotatably supported by a rotation pin 9 inserted and attached to the support portion 6b of the base member 6, and the handle body 10 and the lock knob 11 are open to the opening 1c of the door trim 1c. It is exposed to the vehicle interior side from ′.

The handle body 10 and the lock knob 11 are connected to a door locking mechanism 8 disposed in the rear portion of the door 1 by cables 7a and 7b, respectively. When the door 1 is closed, the door locking mechanism 8 is locked to a locked member on the vehicle body side and holds the door 1 in a closed state. When the handle 10a of the handle body 10 is turned to the vehicle interior side as indicated by the arrow A in FIG. 3, the door locking mechanism 8 is unlocked and the door 1 is opened. Further, the locked state of the lock knob 11 is shown by a solid line in FIG. 3, and the locked state is released when the operation portion 11a of the lock knob 11 is pulled toward the vehicle interior and rotated in the direction of arrow B in FIG. Is done.

  In this embodiment, the pressing member 12 is formed on the surface facing the door closed cross-sectional space C of the door inner panel 1b with the boss portion 11b of the lock knob 11 and the boss portion 10b portion of the handle body 10 as viewed in the vehicle width direction. It is arranged to wrap.

The pressing member 12 is displaced toward the vehicle interior side by deformation of the door 1 at the time of a vehicle-side collision, and when the lock knob 11 is rotated in the unlocking direction, the locking member 11 is prevented from rotating in the locking direction. Is held in an unlocked state, and further, the grip portion 10a of the handle body 10 is prevented from rotating toward the inside of the vehicle interior, thereby preventing the door from being inadvertently opened.

  Specifically, the pressing member 12 includes a pantograph-like pantograph member 13 fixed to the door inner panel 1b and a pressing block 14 fixed to the side surface of the pantograph member 13 by welding or an adhesive. It is configured.

The panter member 13 is made of a sheet metal, and includes a block mounting surface 13a having a plane substantially parallel to the door inner panel 1b, and leg portions 13b and 13b bent into a square shape following both ends of the block mounting surface 13a. And flange portions 13c and 13c bent forward and rearward from the leg portions 13b and 13b so as to be parallel to the block mounting surface 13a. The flange portions 13c and 13c are fixed to the door inner panel 1b by spot welding.

The pressing block 14 is a resin molded product or a metal casting product, and includes a base portion 14a, a lock knob protrusion 14b and a handle body protrusion 14c that are integrally formed so as to protrude from the base portion 14a toward the vehicle interior side. Have.

The lock knob protrusion 14b is opposed to the front side portion in the vehicle front-rear direction with respect to the pivot pin 9 of the boss portion 11b of the lock knob 11. On the other hand, the handle main body protrusion 14c is opposed to the rear portion of the boss 10b of the handle main body 10 with respect to the rear side portion in the vehicle front-rear direction. An opening 1f is formed in a portion of the door inner panel 1b facing the pressing block 14, and the opening 1f is closed with a vinyl sheet (not shown) so as to prevent rainwater or the like from entering. Yes.

According to the unlocking structure of the door inner handle according to the present invention, when the lock knob 11 is in the locked state shown by the solid line in FIG. It acts on the pressing member 12. As a result, the leg portion 13b of the panter member 13 is buckled, and as a result, the pressing block 14 is displaced to the vehicle interior side through the opening 1f while breaking the vinyl sheet, as shown by a broken line in FIG. The portion 14b presses the front portion of the boss portion 11b of the lock knob 11 with respect to the rotation pin 9, whereby the lock knob 11 rotates in the direction of arrow B in FIG. 3, the locking mechanism 8 is unlocked, and the lock knob The protrusion 14b prevents the lock knob 11 from returning in the locking direction. Further, the handle main body protrusion 14c of the pressing block 14 is in contact with or close to the rear portion of the boss portion 10b of the handle main body 10 with respect to the rotation pin 9, and the handle main body 10 rotates in the direction of arrow A in FIG. This prevents the door 1 from being opened.

Further, when the lock knob 11 is in the unlocked state shown by the broken line in FIG. 3, if the door 1 is displaced to the vehicle interior side due to a vehicle side collision, the pressing block 14 is moved to the position shown by the broken line in FIG. The lock knob protrusion 14b of the pressing block 14 is in contact with or close to the front side portion of the rotation pin 9 of the boss 11b of the lock knob 11 to prevent the lock knob 11 from rotating in the locking direction.

As described above, in this embodiment, the lock knob 11 can be held in the unlocked state when the vehicle side collision occurs, regardless of whether the lock knob 11 is locked or unlocked, and the lock knob 11 is in the locked state when the vehicle side collision occurs. It can prevent the occupant from being hindered in the rescue.

  Further, the handle main body protrusion 14c of the pressing block 14 can prevent the handle main body 10 from rotating in the direction of arrow A in FIG. 3, and can prevent the door 1 from being opened.

Furthermore, when the door inner handle 3 is disposed at a position where it wraps around the steering wheel 2 as viewed from the side of the vehicle as in this embodiment, the operability of the door inner handle 3 is favorable and preferable. On the other hand, there is a possibility that the door inner handle 3 strongly contacts the steering wheel 2 due to deformation of the door 1 at the time of a vehicle side collision. On the other hand, in this embodiment, the lock knob 11 is forcibly held in the unlocked state and the rotation of the handle main body 10 is forcibly prevented, so that even if the strong contact occurs, the door lock or door Opening can be prevented.

In this embodiment, the lock knob 11 is held in the unlocked state by the pressing member 12 that is displaced toward the vehicle interior due to the deformation of the door 1 at the time of the vehicle side collision, thereby realizing the above effect. Since there is no need to electrically control locking and unlocking, there is no problem that cost, weight, and productivity deteriorate.

In the above-described embodiment, the case where the door inner handle is disposed so as to wrap on the steering wheel has been described. However, the present invention can also be applied to a case where the door inner handle is displaced from the steering wheel.

  In the above embodiment, the case where the pressing member is provided on the door inner panel has been described. However, the pressing member of the present invention may be provided on the door outer panel, and may be provided on both the door inner panel and the door outer panel. .

10 Handle body 11 Lock knob 3 Door inner handle 1b Door inner panel 12 Pressing member

Claims (1)

In the unlock holding structure of the door inner handle for automobiles, in which the door inner handle including the handle main body and the lock knob supported rotatably by the pivot pin is attached to the door inner panel,
In the part facing the door closed cross-sectional space of the door inner panel and / or the door outer panel, a pressing member that is displaced toward the vehicle interior side by deformation of the door at the time of a vehicle side collision is provided,
The pressing member moves the lock knob in the unlocking direction and prevents the lock knob from moving in the locking direction ;
By projecting from the pivot pin of the handle body to the vehicle interior side so as to face the rear side portion in the vehicle front-rear direction, by contacting or approaching the rear side portion of the handle body as the pressing member is displaced A structure for unlocking a door inner panel for an automobile , comprising: a handle body projection that prevents the handle body from rotating in the door opening direction .

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