JPH062000Y2 - Inner handle of vehicle door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an inner handle which is provided on a passenger compartment side of a vehicle door and which controls an unlocking operation of a latch mechanism of the door.

<Conventional technology and problems> The vehicle door is held in a closed state by a latch mechanism,
The door can be opened by unlocking the latch mechanism. To unlock the latch mechanism from the passenger compartment side, the inner handle provided on the passenger compartment side of the door is operated. The inner handle has a lever pivotally supported on a bracket attached to a door, and by rotating the lever, a latch mechanism connected to the lever via a rod is unlocked.

Here, when the vehicle is collided from the side, the above structure has the following problems. That is, when the door is deformed by the external force of the collision (or the force from the inside caused by the occupant hitting the door due to the inertia at the time of the collision), the rod is deformed accordingly, and it is as if the rod rotates the lever. There was a case where the latch mechanism was unlocked by operating as if it was pulled due to movement.

The present invention has been made in view of the above conventional circumstances, and an object of the present invention is to provide an inner handle that prevents the latch mechanism of a door from being unlocked even when a vehicle is laterally collided. .

<Means for Solving the Problems> An inner handle of a vehicle door according to the present invention includes a bracket attached to the vehicle door, a bracket pivotally supported by the bracket and located on the vehicle interior side, and a latch mechanism for the door. In a vehicle door inner handle having a lever for unlocking the latch mechanism by rotating the lever mechanism in one direction, the stopper portion breaking at the lever with a force smaller than the unlocking force of the latch mechanism. Is provided, and the rotation of the lever in the other direction is restricted by the engagement of the stopper portion with the bracket.

<Operation> The lever that unlocks the latch mechanism by rotating it in one direction is restricted from rotating in the other direction by the engagement of the stopper portion and the bracket, but the vehicle is collided from the side and the door is locked. When the rod is also deformed, the stopper portion is broken before the latch mechanism is unlocked by pulling the rod to allow the lever to rotate in the other direction, thereby preventing the latch mechanism from being unlocked.

<Embodiment> An embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 2 showing the internal structure of the vehicle door, a latch mechanism 2 is attached to the rear end of the door 1. The inner handle 3 attached to the front end of the door 1 and the latch mechanism 2 are connected via a rod 4. Therefore, the door 1
Is held in a closed state by fitting the latch mechanism 2 to an engaging portion (not shown) on the vehicle body side, and pulling the rod 4 by operating the inner handle 3 releases the fitting of the latch mechanism 2. (Unlocked) and it can be opened manually.

As shown in FIGS. 1 and 3, the inner handle 3 is
A bracket 6 attached to the door 1 with a screw 5 and a lever 8 pivotally supported by the bracket 6 via a pin 7 are provided. One end of the lever 8 is configured as an operating portion and the other lever 8 is provided. A rod 4 is pivotally attached to the end. Therefore, when one end of the lever 8 is rotated in the direction of arrow A in the figure, the rod 4 can be pulled and actuated, and the operation of the rod 4 actuates the input lever 2a of the latch mechanism 2 to release the latch mechanism 2. You can lock.

Further, as shown by the solid line in FIGS. 1 and 3 (a), the lever 8 is provided with a stopper portion 8a which can be engaged with the bracket 6, and the stopper portion 8a is engaged with the bracket 6. This restricts the rotation of the lever 8 in the direction of arrow a in the figure. The stopper portion 8a is lightened 9 so that when a force above a certain level, which will be described later, acts as a pulling force from the rod 4, the stopper portion engaging with the bracket 6 is broken and crushed. , Arrow 8 of lever 8 in the figure
Allows rotation in the direction.

The operation of the inner handle 3 is as follows. First,
At normal times, the lever 8 is in the state shown by the solid line in FIG. 3 (a), and by rotating the lever 8 in the direction of arrow A in the figure, the rod 4 is pulled to unlock the latch mechanism 2. I do. On the other hand, when the vehicle is collided from the side, this collision external force causes the rod 4 together with the door 1 to bend toward the arrow IN side in the figure, or the occupant hitting the door 1 causes the rod 4 together with the door 1 into the arrow OUT. It bends in the direction. When the rod 4 bends in this way, a substantial pulling force acts between the lever 8 and the input lever 2a to try to unlock the latch mechanism 2. However, since the strength of the stopper portion 8a is set to be smaller than the unlocking force of the latch mechanism 2 by applying the lightening 9, the bracket 6
The stopper portion 8a that is engaged with the lever 8 is broken to allow the lever 8 to rotate in the direction of the arrow a in the figure, and the pulling force due to the bending of the rod 4 is absorbed by the rotation of the lever 8 so that the latch mechanism 2 Prevent unlocking.

In the above embodiment, the stopper portion is thinned to set the predetermined strength, but the strength of the stopper portion may be set by selecting the material of the lever.
In short, the stopper portion may be set so that it breaks with a force smaller than the unlocking force of the latch mechanism determined by the spring force and friction.

<Effect of the Invention> According to the present invention, the unlocking of the latch mechanism due to the deformation of the rod caused by the side collision of the vehicle can be prevented in advance by the extremely simple structure, and the safety of the vehicle is improved. Can be improved.

[Brief description of drawings]

FIG. 1 is a sectional view showing an inner handle according to an embodiment of the present invention, FIG. 2 is a front view showing an internal structure of a door, and FIG.
(a) (b) is a block diagram showing the state which looked at the latch structure of a door from the upper part, respectively, and the state seen from the front. In the drawings, 1 is a door, 2 is a latch mechanism, 3 is an inner handle, 4 is a rod, 6 is a bracket, 7 is a pin, 8 is a lever, 8a is a stopper part, and 9 is a hollow.

Claims (1)

[Scope of utility model registration request] 1. A bracket attached to a vehicle door,
An inner handle for a vehicle door, comprising: a lever pivotally supported by the bracket, located on the vehicle compartment side, connected to a latch mechanism of the door, and pivoted in one direction to unlock the latch mechanism. The lever is provided with a stopper portion that breaks with a force smaller than the unlocking force of the latch mechanism, and the rotation of the lever in the other direction is restricted by the engagement of the stopper portion with the bracket. Inner handle for vehicle door.