JPH06305331A - Structure for preventing intrusion into compartment automobile door from - Google Patents

Abstract

PURPOSE:To prevent a door from intrusion into a compartment by blocking the door lower part from bending in the direction of keeping away from a side sill without increasing the door weight remarkably. CONSTITUTION:While a front side door 10 is closed, a striker 26 as an engaging means for the side sill inner panel 24 is fixed to the side wall part 16A of a recess 16 in a front side door inner panel 12. A through hole 32 into which an engaging part 30 of the striker 26 enters is provided in a position opposed to the striker 26 on a side wall part 22A of a side sill outer panel 22. A locker 34 as a drop-out preventing means is fixed to a position near the lower side edge of the through hole 32 on the inner side surface of the side wall part 22A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door intrusion prevention structure for an automobile door, and more particularly, to prevent the door from intruding into the vehicle interior when a force is applied from the side. The present invention relates to a structure for preventing a vehicle door from entering a vehicle interior.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open No. 54-170520 has been known as an example of a vehicle door intrusion preventing structure.

As shown in FIG. 13, in this vehicle door intrusion preventing structure, a seat back is formed at a lower portion of a center pillar 74 forming a part of an opening edge portion 70A for a front side door 72 of a vehicle body 70. It expands to the front side in the thickness direction of 76, and at the lower end of the center pillar 74,
A side sill 78 extending in the front-rear direction of the vehicle body 70 is enlarged to the upper side in the thickness direction of the seat cushion 80, and these enlarged portions form an abutting portion 84 that abuts the lower portion 82A of the inner panel 82 of the front side door 72. The inner panel 8 of the front side door 72 is abutted by the abutting portion 84.
By receiving the lower portion 82A of No. 2, the front side door 72 is prevented from entering the vehicle interior.

Further, in this vehicle door intrusion preventing structure, the inner panel 82 of the front side door 72 is provided.
The reinforcing pin 86 erected on the lower portion 82A of the front side door 72 engages with the engaging hole 88 formed on the lower portion of the center pillar 74 to increase the tensile drag of the front side door 72. It is designed to prevent entry into the passenger compartment.

[0005]

However, in this vehicle door intrusion prevention structure for the vehicle door, as shown in FIG. 14, a force is applied laterally to the front side door 72 by a bumper of another vehicle (see FIG. 14). When the lower part 72A of the front side door 72 is curved in the direction away from the side sill 78 (the direction of the arrow Y in FIG. 14) by the action of the arrow W), the reinforcing pin 86 is disengaged from the engagement hole 88. Therefore, the ability of the front side door 72 to prevent entry into the passenger compartment may be reduced, so that the lower portion 7 of the front side door 72 may be damaged.
2A needs to be reinforced so as not to bend in the direction of the arrow Y in FIG. 14, and this reinforcement causes a problem that the door weight is significantly increased.

In consideration of the above facts, the present invention can prevent the door from entering the passenger compartment by preventing the door from curving in the direction away from the side sill without significantly increasing the weight of the door. The purpose is to obtain a structure for preventing the intrusion of a vehicle door into a vehicle compartment.

[0007]

According to a first aspect of the present invention, there is provided a vehicle door intrusion prevention structure for a vehicle door, which is provided on a side sill and extends out inward in a vehicle width direction. Engaging means that protrudes inward in the vehicle width direction and that moves integrally with the door lower portion and engages with the slip-out preventing means when the door lower portion is bent and deformed outward in the vehicle width direction. There is.

According to a second aspect of the present invention, in a vehicle door intrusion preventing structure for a vehicle door, a reinforcement is provided at a lower portion of the door, and the reinforcement has a first surface facing the side sill upper surface and a side sill outer surface. It is characterized in that it has a second surface facing each other and an inclined surface connected to the first surface and extending from the lower side in the vehicle width direction to the upper side in the vehicle width direction.

[0009]

In the vehicle door intrusion preventing structure according to claim 1 of the present invention, when a force is applied to the door from the side and the lower portion of the door is bent and deformed outward in the vehicle width direction, it is provided at the lower portion of the door. The engagement means moves integrally with the lower part of the door and engages with the slip-out prevention means provided on the side sill. Therefore, it is possible to prevent the bending in the direction away from the side sill at the lower part of the door by the engagement of the engaging means at the lower part of the door and the means for preventing the side sill from coming off. Therefore, it is possible to prevent the door from entering the vehicle interior without significantly increasing the weight of the door.

Further, in the vehicle door intrusion preventing structure for a vehicle door according to claim 2 of the present invention, when a force is applied to the door from the side, the second surface comes into contact with the outer surface of the side sill, so that the door interior of the vehicle compartment. To prevent intrusion. At the same time, since the force from the side acts on the inclined surface of the reinforcement from the vehicle width direction outer side to the vehicle width direction inner side, this force is directed toward the vehicle width direction inner side upward along the inclined surface, It is dispersed into a force that is directed downward inward in the vehicle width direction orthogonal to the inclined surface. Of these forces, the force directed downward in the vehicle width direction is transmitted from the inclined surface of the reinforcement to the first surface and acts on the side sill via the first surface to increase the binding force between the door and the side sill. do. Therefore, it is possible to prevent the door from entering the vehicle compartment by preventing the door from curving in a direction away from the side sill without significantly increasing the weight of the door.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the vehicle door intrusion preventing structure of the present invention will be described with reference to FIGS. In the figure, an arrow FR indicates a vehicle body front direction, an arrow UP indicates a vehicle body upward direction, and an arrow IN indicates a vehicle width inner direction.

As shown in FIG. 1, the lower portion of the front side door inner panel 12 forming the inner side portion of the front side door 10 is directed toward the front side door outer panel 14 side forming the outer side portion of the front side door 10. A recess 16 having an L-shaped cross section is formed.

In the closed state of the front side door 10, the side wall portion 16A of the concave portion 16 faces the side wall portion 22A of the side sill outer panel 22 constituting the outer side portion of the side sill 20, and the upper wall portion 16B of the concave portion 16 is It faces the upper wall portion 22B of the side sill outer panel 22. In addition,
The inner side of the side sill 20 is a side sill inner panel 24.
The side sill 20 includes a side sill outer panel 22 and a side sill inner panel 24, and has a closed cross-sectional structure extending in the vehicle front-rear direction.

With the front side door 10 closed, the side sill inner panel 24 is provided on the side wall 16A of the recess 16.
A striker 26 as an engaging means is fixed toward the side.

As shown in FIG. 2, the striker 26 comprises a rectangular plate-shaped base portion 28 and a U-shaped engagement portion 30 fixed to the base portion 28. The base portion 28 is a front side door inner member. It is welded to the panel 12.

As shown in FIG. 1, a side wall portion 22A of the side sill outer panel 22 is provided with a through hole 32 at a portion facing the striker 26, into which an engaging portion 30 of the striker 26 can enter. On the inner surface of the portion 22A, a rocker 34 as a slip-out preventing means is fixed to a portion near the lower edge of the through hole 32.

As shown in FIG. 2, the rocker 34 has an L-shaped cross section as viewed from the front-rear direction of the vehicle body, and as shown in FIG. 4, the vertical wall portion 36 has a side sill outer panel 2.
It is welded to the second side wall portion 22A. An upper end portion of the vertical wall portion 36 is bent substantially inward in the vehicle width direction to form a horizontal wall portion 38. A central portion 38A of the lateral wall portion 38 in the vehicle front-rear direction extends inward in the vehicle width direction.

As shown in FIGS. 3 and 4, the front end portion of the center portion 38A of the lateral wall portion 38 of the rocker 34 in the vehicle front-rear direction and the inner peripheral portion 30A of the engaging portion 30 of the striker 26 facing the front end portion. A gap having a distance L is formed between them.

Further, as shown in FIG. 5, the striker 2
6 is the distance S1 between the engaging portion 30 and the upper inner peripheral portion of the through hole 32.
Is set to be approximately the same as the distance S2 between the engagement portion 30 of the striker 26 and the upper surface of the vehicle-body front-rear direction central portion 38A of the lateral wall portion 38 of the rocker 34.

Next, the operation of this embodiment will be described. In the vehicle door intrusion preventing structure for an automobile according to the present embodiment, as shown in FIG. 6, a force (arrow F in FIG. 6) acts laterally on the front side door 10 by a bumper or the like of another vehicle, so that the front side is closed. The lower part 10A of the door 10 is located outside and above the vehicle width direction (see FIG. 6).
When it is bent and deformed in the direction of arrow A), as shown in FIG. 7, the inner peripheral portion 30A of the engagement portion 30 of the striker 26 fixed to the lower portion 10A of the front side door 10 rotates counterclockwise (in FIG. 7). Rotate in the direction of arrow B). As a result, the engagement portion 30 of the striker 26 slips into and engages with the lateral wall portion 38 of the rocker 34 below the central portion 38A of the vehicle front-rear direction.

Therefore, by engaging the striker 26 and the rocker 34, the lower portion 10A of the front side door 10 is
However, it is possible to prevent further bending deformation in the direction of arrow A in FIG. Therefore, the lower portion 10A of the front side door 10
However, since it does not get over the side sill 20, the front side door 1
It is possible to prevent the entry of 0 into the passenger compartment.

Further, in this embodiment, since the positions of the striker 26 and the rocker 34 are displaced in the vertical direction, the relative position between the lower portion 10A of the front side door 10 and the side sill 20 has moved in the vehicle front-rear direction or the like. In this case, the striker 26 and the rocker 34 do not engage with each other, which does not hinder the opening of the door.

Next, a second embodiment of the vehicle door intrusion preventing structure of the present invention will be described with reference to FIGS. The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 9, a pair of reinforcements 40 are fixed to the inside lower part of the front side door 10 of this embodiment near both ends in the front-rear direction.

As shown in FIG. 10, these reinforcements 40 are formed by bending a single plate material.

As shown in FIG. 8, the reinforcement 40
Is a bent portion 42 including a first surface 42A facing the upper wall portion 22B of the side sill outer panel 22 and a second surface 42B facing the side wall portion 22A of the side sill outer panel 22, and a vertical wall on the bent portion 42. The inclined surface 4 that is connected by the portion 44 and extends from the lower side in the vehicle width direction to the upper side in the vehicle width direction.
6 and. Further, the lower end of the inclined surface 46 is extended downward to form a flange 48, and the flange 48 is welded to the second surface 42B of the bent portion 42. The inclination angle of the inclined surface 46 is α.

As shown in FIG. 10, a reinforcing bracket 50 is fixed to the inner surface of the side sill outer panel 22 at a portion facing the bent portion 42 of the reinforcement 40. The reinforcing bracket 50 is formed by bending one plate material into an L shape, and is welded to the upper wall portion 50A welded to the upper wall portion 22B of the side sill outer panel 22 and the side wall portion 22A of the side sill outer panel 22. Side wall 50B
And have.

Next, the operation of this embodiment will be described. In the vehicle door intrusion prevention structure for an automobile according to the present embodiment, as shown in FIG. 11, a force (arrow F in FIG. 11) acts on the front side door 10 from the side by a bumper or the like of another vehicle, so that the front side is closed. When the lower portion of the door outer panel 14 is recessed and comes into contact with the inclined surface 46 of the reinforcement 40, the second surface 42
B contacts the side wall portion 22A of the side sill outer panel 22 to prevent the front side door 10 from entering the vehicle interior. At the same time, the front side door outer panel 1
When the lower portion of 4 contacts the inclined surface 46 of the reinforcement 40, a force F in the vehicle width direction acts on the inclined surface 46 of the reinforcement 40 as shown in FIG. The force F is a force F1 = Fsi directed upward inward in the vehicle width direction along the inclined surface 46.
nα and the force F2 = Fcosα that is orthogonal to the inclined surface 46 and is directed downward in the vehicle width direction.

As shown in FIG. 11, this force F2 acts on the side sill 20 via the first surface 42A of the reinforcement 40 as a force directed downward inward in the vehicle width direction, whereby the front side door 10 and the side sill 20 are separated from each other. It works to increase the bond strength.

Further, in this embodiment, the reinforcement 40
Since the reinforcing bracket 50 is provided on the inner side portion of the side sill 20 with which the bent portion 42 contacts, the deformation of the side sill 20 can be prevented and the lower portion of the front side door 10 can be reliably received.

Therefore, the side sill 2 of the lower portion 10A of the front side door 10 is not significantly increased.
It is possible to prevent the front side door 10 from entering the vehicle interior by preventing the bending in the direction away from 0 (the direction of arrow D in FIG. 11).

In this embodiment, the reinforcement 40
In addition, a bent portion 42 formed of a first surface 42A facing the upper wall portion 22B of the side sill outer panel 22 and a second surface 42B facing the side wall portion 22A of the side sill outer panel 22 is formed. The second surface 42B may be provided at another position. That is, it is not necessary to provide the second surface 42B continuously with the first surface 42A.

[0033]

As described above, the present invention prevents the door from entering the passenger compartment by preventing the door from curving in the direction away from the side sill without significantly increasing the weight of the door. It has an excellent effect of being able to.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a vehicle interior intrusion preventing structure for an automobile door according to a first embodiment of the present invention, as seen from the vehicle body front-rear direction.

FIG. 2 is a perspective view of the vehicle door intrusion preventing structure for an automobile door according to the first embodiment of the present invention, as seen from the outside of the front of the vehicle body.

FIG. 3 is a plan view showing a vehicle interior intrusion preventing structure for an automobile door according to the first embodiment of the present invention.

FIG. 4 is a sectional view taken along line 4-4 of FIG.

5 is a sectional view taken along line 5-5 of FIG.

FIG. 6 is an operation explanatory view of a vehicle interior intrusion prevention structure for an automobile door according to the first embodiment of the present invention.

FIG. 7 is a partially enlarged view of FIG.

8 is a sectional view taken along line 8-8 of FIG.

FIG. 9 is a perspective view of the front side door to which the vehicle interior intrusion preventing structure for an automobile door according to the second embodiment of the present invention is applied, as seen from the rear outside of the vehicle body.

FIG. 10 is a perspective view of a vehicle door intrusion preventing structure for an automobile door according to a second embodiment of the present invention, as viewed from the rear outside of the vehicle body.

FIG. 11 is an operation explanatory view of a vehicle interior intrusion preventing structure for an automobile door according to a second embodiment of the present invention.

FIG. 12 is a partially enlarged view of FIG.

FIG. 13 is a perspective view of a front side door to which a vehicle interior entry preventing structure for a vehicle door according to a conventional example is applied, as viewed from the rear outside of the vehicle body.

FIG. 14 is a cross-sectional view showing a vehicle interior intrusion prevention structure for a vehicle door of a conventional example, as viewed from the vehicle body front-rear direction.

[Explanation of symbols]

 10 Front Side Door 12 Front Side Door Inner Panel 16 Recess 16A Side Wall 16B Upper Wall 20 Side Sill 22 Side Sill Outer Panel 22A Side Wall 22B Upper Wall 26 Striker (Engagement Means) 34 Rocker (Prevention Means) 40 Reinforce 42A 1st Surface 42B second surface 46 inclined surface

Claims (2)

[Claims] 1. A slip-out preventing means provided on a side sill that extends substantially inward in the vehicle width direction, and a door provided when the door lower portion is bent and deformed outwardly in the vehicle width direction so as to project inwardly in the vehicle width direction. An engaging means for moving integrally with the lower part to engage with the slip-out preventing means. 2. A reinforcement is provided at a lower portion of the door,
This reinforce has a first surface that faces the upper surface of the side sill, a second surface that faces the outer surface of the side sill, and an inclined surface that is connected to the first surface and extends from the lower side in the vehicle width direction to the upper side in the vehicle width direction. A structure for preventing intrusion of a vehicle door into a vehicle compartment, characterized by including: