JP7019245B2 - Vehicle sliding door structure - Google Patents

Description

The present invention relates to a sliding door structure of a vehicle such as an automobile.

Specific examples of the sliding door structure of a vehicle include those described in Patent Documents 1 and 2.
In the structures described in these documents, when the sliding door is closed, a side collision of the vehicle occurs, and a large load acts such as a luggage or an occupant colliding from the vehicle interior side toward the sliding door. At that time, the purpose is to reduce the gap generated between the upper end of the sliding door and the side surface of the vehicle body. As a means for that, in the above document, a predetermined portion of the slide door is set as a fragile portion, and when the slide door receives a load, the deformation of the slide door is controlled so as not to generate a large gap with the side surface of the vehicle body. Means have been adopted.

However, in the prior art, the gap between the slide door and the side surface of the vehicle body is reduced by controlling the deformation of the slide door when a load is input. Therefore, there is a certain limit in reducing the gap. There is. Therefore, there is still room for improvement in reducing the gap.

As another means for reducing the gap, for example, as described in Patent Document 3, it is conceivable to provide a dedicated member for preventing the slide door from being displaced in the vehicle width direction when a load is input. .. However, such means causes a problem that the manufacturing cost increases and the weight increases.

Further, conventionally, the front part of the slide door is arranged inward in the vehicle width direction of the rear part (hem part) of the front door located on the front side of the vehicle of the slide door, and when a load is input to the slide door. A means for preventing the sliding door from protruding greatly outward in the vehicle width direction by bringing the front portion of the sliding door into contact with the rear portion of the front door is also appropriately adopted. However, in the conventional such means, the contact width when the front part of the sliding door and the rear part of the front door come into contact with each other is small, and these contact parts are greatly deformed, so that the two contact between the two. The condition is easy to resolve. In this case, it is difficult to reliably prevent the sliding door from protruding outward in the vehicle width direction, and there is a possibility that a large gap may be generated between the sliding door and the side surface of the vehicle body.

Japanese Unexamined Patent Publication No. 2017-65441 Japanese Unexamined Patent Publication No. 2013-252830 Japanese Patent No. 4907247

The present invention was conceived under the above-mentioned circumstances, and when a large load is applied to the slide door from the vehicle interior side, a large gap is generated between the slide door and the side surface of the vehicle body. It is an object of the present invention to provide a sliding door structure of a vehicle which can be appropriately prevented by a simple means without using an expensive special member or the like.

In order to solve the above problems, the following technical means are taken in the present invention.

The sliding door structure of the vehicle provided by the present invention has a hollow shape in which an outer panel and an inner panel are joined, and a reinforcing member is arranged on the inner front portion, and the front end portion and the rear end portion of the reinforcing member are described above. It comprises a sliding door joined to the inner panel, which is a sliding door structure of the vehicle located on the front door of the vehicle or on the rear side of the pillar of the pillar, at the front of the outer panel. Is provided with a front-rear extending wall portion extending in the front-rear direction of the vehicle, and the front-rear extending wall portion is located inward in the vehicle width direction with respect to the outer rear portion of the front door or pillar, and is located in the front-rear direction of the vehicle. In the direction, the front door or the pillar is arranged to overlap with the rear portion toward the outside, and the reinforcing member is provided with an inclined wall portion inclined so as to be located on the outer side in the vehicle width direction toward the rear side of the vehicle. At least a part of the inclined wall portion is located inward in the vehicle width direction with respect to the rear end portion of the front-rear extension wall portion and faces the rear end portion of the front-rear extension wall portion. In the inner panel, the area between the front end portion and the rear end portion of the reinforcing member is located inward in the vehicle width direction with respect to the inclined wall portion of the reinforcing member. It is characterized in that an additional inclined wall portion is provided so as to be located on the outer side in the vehicle width direction toward the rear side of the vehicle.

With such a configuration, the following effects can be obtained.
That is, when a large load acts on the sliding door from the vehicle interior and the front portion of the sliding door is displaced in the vehicle width direction, the inclined wall portion of the reinforcing member extends the rear end portion of the front and rear extending wall portion of the sliding door to the vehicle width. Press outward in the direction. Then, due to the inclined action of the inclined wall portion, the front-rear extending wall portion is also pressed to the front side of the vehicle. As a result, the front-rear extending wall portion comes into contact with the front door or the rear portion toward the outside of the pillar with a large amount of overlap in the front-rear direction of the vehicle, and these contact states are not easily released. be able to. Therefore, it is possible to use front doors or pillars to properly prevent the front part of the sliding door from protruding significantly to the outside of the vehicle and to prevent a large gap between the sliding door and the side surface of the vehicle body. can.
According to the present invention, it is not necessary to use a special or expensive special member, and the overall configuration can be simplified. Therefore, productivity is good, manufacturing cost is reduced, and vehicle weight is reduced. You can also.

Other features and advantages of the invention will become more apparent from the following description of embodiments of the invention with reference to the accompanying drawings.

(A) is a schematic side view showing an example of a vehicle to which the present invention is applied, and (b) is a plan sectional view taken along the line Ib-Ib of (a). In the structure shown in FIG. 1 (b), it is a plan sectional view which shows the action when the load input is generated in the slide door.

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

The vehicle slide door structure A shown in FIG. 1 includes a slide door SD (slide side door) that can slide open and close the boarding / alighting opening 8 provided on the vehicle body side surface of the vehicle V. Since the slide structure of the slide door SD is conventionally known, the description thereof will be omitted.
The vehicle V is a pillarless system without a center pillar, and the sliding door SD is located on the rear side of the front door 4 (front side door) of the hinge opening / closing system without a center pillar. As will be described later, the predetermined portions of the rear portion of the front door 4 and the front portion of the sliding door SD are configured to overlap each other in the front-rear direction of the vehicle.
In addition, in this embodiment, the positional relationship of each place is the positional relationship in the state where the slide door SD and the front door 4 are closed.

The slide door SD has a hollow shape in which the outer panel 1 and the inner panel 2 are joined, and the reinforcing panel 3 on which the inclined wall portion 30 is formed and the front-rear extending wall portion 10 provided at the front portion of the outer panel 1 are provided. I have.

The front-rear extension wall portion 10 is a portion formed so that a part of the middle portion of the front wall portion 1a of the outer panel 1 extends in the front-rear direction of the vehicle by an appropriate dimension La, and is formed in the vertical height direction of the vehicle V. It is installed in an upright shape with appropriate dimensions. The front wall portion 1a of the outer panel 1 is a wall portion extending from the front end portion 18 of the outer portion of the outer panel 1 to the front end side hem portion 28 of the outer panel 1 and the inner panel 2. The front-rear extending wall portion 10 is located on the inner side in the vehicle width direction with respect to the outer rear portion 42 including the outer panel 40 of the front door 4 and the rear end side hem portion 42a of the inner panel 41, and is outward in the vehicle front-rear direction. It is provided in an arrangement that overlaps with the rear portion 42. For example, another wall portion 11 extending in the vehicle width direction of the front wall portion 1a is connected to the rear end portion 10a of the front-rear extending wall portion 10, and the rear end portion 10a is connected to the wall portion 11 and the front-rear extending wall portion. It is a corner section where 10 is crossed and connected.

The reinforcing panel 3 corresponds to an example of the "reinforcing member" in the present invention, the front end portion 3a thereof is sandwiched and joined to the front end side hem portion 28, and the rear end portion 3b is welded to the inner panel 2 or the like. It is joined by the means of. The inclined wall portion 30 is formed in the middle of the reinforcing panel 3 in the front-rear direction of the vehicle, and is inclined so as to be located on the outer side in the vehicle width direction toward the rear side of the vehicle. At least a part of the inclined wall portion 30 is located inward in the vehicle width direction with respect to the rear end portion 10a of the front-rear extending wall portion 10 and faces the rear end portion 10a. Further, the inclined wall portion 30 is provided so as to be located in a height range substantially similar to that of the front-rear extending wall portion 10 in the vertical height direction of the vehicle V.

Next, the operation of the sliding door structure A of the vehicle described above will be described.

As an example, as shown in FIG. 1B, consider a case where the object 9 strongly collides with the front part of the slide door SD from the vehicle interior side and a large load F is input to the slide door SD.
First, when the object 9 collides with the slide door SD, the inner panel 2 and the reinforcing panel 3 of the slide door SD are deformed outward in the vehicle width direction prior to the outer panel 1. Therefore, the inclined wall portion 30 of the reinforcing panel 3 collides with the rear end portion 10a of the front-rear extending wall portion 10 of the outer panel 1, and presses the rear end portion 10a outward in the vehicle width direction.

However, since the inclined wall portion 30 is inclined in the direction described above, the rear end portion 10a of the front-rear extending wall portion 10 is pressed toward the diagonally front side of the vehicle indicated by the arrow Na in FIG. 1 (b). Will be. Therefore, the front-rear extending wall portion 10 is displaced not only on the outer side in the vehicle width direction but also on the front side of the vehicle. As a result, as shown in FIG. 2, the front-rear extending wall portion 10 surely contacts the rear portion 42 toward the outside of the front door 4, and the contact amount Lb (overlap dimension) thereof becomes large. As a result, the contact state between the slide door SD and the front door 4 is easily released, and the large displacement of the slide door SD outward in the vehicle width direction is appropriately eliminated. As a result, it is possible to prevent a large gap from being generated between the sliding door SD and the side surface of the vehicle body.

The reinforcing panel 3 is originally provided in the sliding door SD, and it is not necessary to separately use a special dedicated member in the present embodiment. Therefore, it is possible to simplify the overall configuration, reduce the manufacturing cost, reduce the weight, and the like.

The present invention is not limited to the contents of the above-described embodiments. The specific configuration of each part of the sliding door structure of the vehicle according to the present invention can be variously redesigned within the scope of the present invention.

In the above-described embodiment, the pillarless type vehicle has been described as an example, but the present invention is not limited thereto. In the present invention, it can also be applied to a vehicle equipped with a center pillar. When the pillar is provided on the front side of the vehicle of the sliding door, the front and rear extending wall portion of the sliding door may be configured to be in contact with the rear portion toward the outside of the pillar. The pillar is not limited to the center pillar. The sliding door is not limited to the rear side door, but may be a front side door located on the rear side of the vehicle of the front pillar.
The reinforcing member referred to in the present invention does not necessarily have to be in the shape of a panel, and may be a reinforcing member in a form other than the panel, for example, in the shape of a band.
The front-rear extending wall portion referred to in the present invention may extend in the front-rear direction of the vehicle so as to have a certain size in the front-rear direction of the vehicle, and the specific dimensions thereof are not limited. In addition, the direction in which the front-rear extension wall extends does not have to be the vehicle front-rear direction in the strict sense, and the vehicle front-rear direction with a slight inclination angle with respect to the vehicle front-rear direction in the strict sense. It may be an extended configuration.

A Vehicle slide door structure SD slide door 1 Outer panel 10 Front and rear extension wall 10a Rear end (of front and rear extension wall)
2 Inner panel 3 Reinforcing panel (reinforcing member)
30 Inclined wall 4 Front door 42 Outer rear (of the front door)

Claims (1)

It has a hollow shape to which the outer panel and the inner panel are joined, and has a reinforcing member arranged in the inner front portion, and has a sliding door in which the front end portion and the rear end portion of the reinforcing member are joined to the inner panel . ,
This sliding door is a sliding door structure of a vehicle located on the front door of the vehicle or on the rear side of the pillar of the pillar.
The front portion of the outer panel is provided with a front-rear extending wall portion extending in the front-rear direction of the vehicle, and the front-rear extending wall portion is inward in the vehicle width direction with respect to the outer rear portion of the front door or pillar. In addition to being located, it is arranged to overlap the front door or the outer rear part of the pillar in the front-rear direction of the vehicle.
The reinforcing member is provided with an inclined wall portion that is inclined so as to be located on the outer side in the vehicle width direction toward the rear side of the vehicle, and at least a part of the inclined wall portion is behind the front-rear extending wall portion. It is located on the inward side in the vehicle width direction from the end portion and faces the rear end portion of the front-rear extending wall portion .
In the inner panel, the area between the front end portion and the rear end portion of the reinforcing member is located inward in the vehicle width direction with respect to the inclined wall portion of the reinforcing member, and is rearward of the vehicle. A sliding door structure for a vehicle, characterized in that an additional inclined wall portion is provided so as to be located on the outer side in the vehicle width direction toward the side .

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