JP2020075608A - Vehicular door - Google Patents

Abstract

To provide a vehicular door in which a door shock absorber can absorb desired amounts of collision energy.SOLUTION: A vehicular door 100 is provided that includes a door trim 10 and a door shock absorber 30 attached to an inner surface 10a of the door trim 10. The door shock absorber 30 comprises a plurality of leg parts 31 fixed to the inner surface 10a of the door trim 10, a top plate 33 connected to the plurality of leg parts 31, and a plurality of plate members 35, 35a and 35b extending from the top plate 33 toward the door trim 10. The door trim 10 comprises stoppers 16-18 which erect around an attachment position where the leg parts 31 are attached to the inner surface 10a of the door trim and restrict movement of the door shock absorber 30 in a direction along the inner surface 10a of the leg parts 31. The leg parts 31 comprise protrusions 51-53 that protrude in a direction in which the stoppers 16-18 are not attached to, when the leg parts 31 are attached to the door trim 10 in a proper direction.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a vehicle door structure including a door trim and a door shock absorber attached to an inner surface of the door trim.

  A door shock absorber is arranged between a door trim and a door panel of a vehicle in order to absorb collision energy from a side surface of the vehicle in a side collision. As a shock absorber for a door, a cross plate formed by combining plate members to which reinforcing ribs are attached in a cross shape, an outer wall portion connected to the outer peripheral side of the cross plate, and a ceiling connected to the longitudinal end of the cross plate. There is proposed a structure including a plate and fixing a mounting seat provided on an outer wall portion to a door trim (see, for example, Patent Document 1). In this door impact absorber, the cross plate buckles during a side collision to absorb the collision energy.

JP, 2010-264971, A.

  By the way, in the door impact absorber, since the standing position of the cross plate that absorbs the collision energy is determined in consideration of the collision load, the direction of assembling to the door trim is determined. However, the outer shape of the shock absorber for a door is often a substantially square shape, and the door may be mounted in the door trim by mistake in the mounting direction, and it may not be possible to absorb a desired amount of collision energy. Further, the fixing of the inner surface of the door trim and the mounting seat is released, the mounting seat moves along the inner surface of the door trim, the cross plate may not be crushed, and the desired collision energy amount may not be absorbed.

  Therefore, an object of the present invention is to provide a vehicle door that allows a door impact absorber to absorb a desired amount of collision energy.

  A vehicle door of the present invention is a vehicle door including a vehicle door trim and a door impact absorber attached to an inner surface of the door trim, wherein the door impact absorber is provided on the inner surface of the door trim. A plurality of fixed leg parts, a top plate to which the plurality of leg parts are connected and an impact load from the vehicle side face is input at the time of a side collision, and a plurality of plates extending from the top plate toward the door trim. A member, and the door trim includes a stopper that is erected on a part of a periphery of a mounting position on the inner surface where the leg portion is mounted and that restricts movement of the leg portion in a direction along the inner surface. The leg portion includes a protrusion that protrudes in a direction in which the stopper is not provided when the door impact absorber is attached to the door trim in the correct direction.

  In this way, the stopper provided on the inner surface of the door trim restricts the movement of the door shock absorber along the inner surface in the event of a side collision, so that the plate member is bent and deformed in a desired state to obtain a desired collision energy. The amount can be absorbed. Also, the projections provided on the legs protrude in the direction in which the stopper is not installed when the door shock absorbing member is installed in the correct direction, and when the door shock absorbing member is set in the wrong direction, the stopper is provided. Since the door impact absorbing member cannot be attached to the inner surface of the door trim due to the interference with, it is possible to absorb a desired impact energy amount in the event of a side collision.

  The present invention can provide a vehicle door in which a desired impact energy amount can be absorbed by the door impact absorber.

It is the elevation view which looked at the door for vehicles of an embodiment from the vehicle interior side. It is an elevation sectional view of the door for vehicles of an embodiment, and is an AA cross section shown in Drawing 1. It is the perspective view which looked at the door impact absorber attached to the door trim of the vehicle door of the embodiment from the door trim side. It is the elevation view which looked at the inner surface of the door trim of the vehicle door of an embodiment, and the shock absorber for doors attached to the inner surface of the door trim from the door panel side.

  Hereinafter, the vehicle door 100 of the embodiment will be described with reference to the drawings. As shown in FIGS. 1 and 2, the vehicle door 100 includes a door trim 10, a door shock absorber 30 attached to an inner surface 10 a of the door trim 10, and a door panel 20. In addition, the arrow FR, the arrow UP, and the arrow RH shown in each drawing respectively indicate the front direction (travel direction), the upward direction, and the right direction of the vehicle. The opposite directions of the arrows FR, UP, RH indicate the vehicle rearward direction, the downward direction, and the leftward direction. In the following description, when simply using the front-rear direction, the left-right direction, and the up-down direction, the front-rear direction in the vehicle front-rear direction, the left-right direction in the vehicle left-right direction (vehicle width direction), and the up-down direction in the vehicle up-down direction are indicated unless otherwise specified. To do.

  As shown in FIG. 2, the door panel 20 is composed of an inner panel 21 on the vehicle interior side and an outer panel 22 on the vehicle exterior side. The surface of the outer panel 22 on the outer side of the vehicle compartment constitutes a design surface on the outer surface side of the vehicle door 100.

  The door trim 10 is a resin member attached to the vehicle interior side of the inner panel 21, and constitutes a design surface of the vehicle door 100 on the vehicle interior side. As shown in FIGS. 1 and 2, the door trim 10 includes a door pocket 11, an armrest 12, an inside handle 13, and the like. The door impact absorber 30 is attached to the inner surface 10a of the flat plate portion 14 on the vehicle rear side below the armrest 12 provided on the door trim 10 and outside the vehicle compartment. The inner panel 21 is provided with an opening 23 through which the door shock absorber 30 penetrates, and the top plate 33 of the door shock absorber 30 faces the surface of the outer panel 22 on the vehicle interior side. As described above, the door impact absorber 30 is attached to the inner surface 10 a of the door trim 10 that faces the outer panel 22.

  As shown in FIG. 3, the door impact absorber 30 is a resin member, and includes a plurality of legs 31, a top plate 33, a plurality of plate members 35, 35a, 35b, and plate members 35, 35a. , 35b are provided with a first reinforcing rib 36 and a second reinforcing rib 38. In the door impact absorber 30 of the present embodiment, each of the leg portion 31 and the plate members 35, 35a, 35b is four, and the first and second reinforcing ribs 36, 38 are each plate member 35, 35a, 35a. Two pieces are provided for each of 35b, but the number of each member is not limited to this.

  The leg 31 is a long member having an L-shaped cross section with rounded corners, and a plate 32 fixed to the surface of the door trim 10 on the outer side of the vehicle compartment is attached to the vehicle interior side. The plate 32 is provided with an opening 32a into which a fixture 60 (see FIG. 4) for fixing each leg 31 to the inner surface 10a of the door trim 10 is inserted. A protrusion 53 protruding toward the upper side of the vehicle is attached to the upper leg portion 31 on the front side of the vehicle. Further, on the lower leg portion 31 on the front side of the vehicle, a protrusion 51 protruding toward the lower side of the vehicle and a protrusion 52 protruding toward the front side of the vehicle are attached.

  The top plate 33 is a substantially quadrangular plate-shaped member to which the legs 31 are connected at the four corners. As shown in FIGS. 2 and 4, a plurality of reinforcing ribs 34 are provided on the surface of the top plate 33 outside the vehicle compartment.

  Four plate members 35, 35a, 35b extending from the top plate 33 toward the door trim 10 are provided in a cross shape on the surface of the top plate 33 on the vehicle interior side. Of the four plate members 35, 35a, 35b, the plate surface of the two plate members 35 is arranged in the horizontal direction, and the plate members 35a, 35b are arranged in the vertical direction.

  As shown in FIGS. 2 and 3, first reinforcing ribs 36 are provided upright on the lower surfaces of the two plate members 35. Further, a second reinforcing rib 38 is provided upright on the upper surface of the plate member 35 at a position corresponding to the first reinforcing rib 36.

  The first reinforcing rib 36 is a plate-shaped rib extending from the top plate 33 toward the door trim 10 and having a height that decreases toward the door trim 10. The first reinforcing rib 36 extends from the top plate 33 to the vicinity of the center of the plate member 35, and the door trim side end 37 of the first reinforcing rib 36 is located substantially in the center of the plate member 35.

  The second reinforcing rib 38 is a plate-shaped rib that extends from the top plate 33 toward the door trim 10 to the end of the plate member 35 on the door trim 10 side, and the height decreases toward the door trim 10. Therefore, the second reinforcing rib 38 is longer than the first reinforcing rib 36. Further, at a position where the length from the top plate 33 toward the door trim 10 is the same, the height of the second reinforcing rib 38 is higher than that of the first reinforcing rib 36. Further, the second reinforcing rib 38 has a corner portion 39 between the door trim side end 37 of the first reinforcing rib 36 and the top plate 33, where the inclination angle from the top plate 33 toward the door trim 10 changes.

  As shown in FIG. 3, of the two plate members 35a and 35b whose plate surfaces are arranged in the vertical direction, the upper plate member 35a is provided with the first reinforcing rib 36 on the vehicle rear side, The second reinforcing rib 38 is provided on the front side of the vehicle. Further, the lower plate member 35b is provided with the second reinforcing rib 38 on the vehicle rear side and is provided with the first reinforcing rib 36 on the vehicle front side.

  A guide 15 is attached to the inner surface 10a of the flat plate portion 14 of the door trim 10 to guide the plate members 35, 35a, 35b so as not to move in the vehicle up-down direction or the vehicle front-rear direction with the tip portions of the plate members 35, 35a, 35b interposed therebetween. Further, a plurality of stoppers 16, 17, 18 are provided around the mounting position on the inner surface 10a of the flat plate portion 14 where the leg portions 31 are mounted.

  As shown in FIG. 4, the stopper 16 is attached to the inner surface 10a of the flat plate portion 14 of the door trim 10 above the attachment position where the upper leg portion 31 on the vehicle rear side of the door impact absorber 30 is attached. The stopper 16 is composed of a receiving plate 16a parallel to the upper surface of the leg portion 31 and a support plate 16b arranged at a right angle to the receiving plate 16a. Similarly, a stopper 17 including a receiving plate 17a and a supporting plate 17b is attached below the attachment position of the lower leg portion 31 on the rear side of the vehicle. Further, a stopper 18 including a receiving plate 18a and a supporting plate 18b is attached to the vehicle front side of the upper leg portion 31 on the vehicle front side. In this way, the plurality of stoppers 16 to 18 are provided in a part of the periphery of the mounting position where the leg portion 31 is mounted on the inner surface 10a of the flat plate portion 14. Further, stoppers are provided on the upper side of the upper leg portion 31 on the front side of the vehicle where the protrusions 51 to 53 of the leg portion 31 are provided, on the lower side of the lower leg portion 31 on the front side of the vehicle, and on the front side of the vehicle. Not not.

  As shown in FIG. 4, when the door impact absorber 30 is attached in the correct direction, the protrusions 51 to 53 attached to the leg portion 31 project in the direction in which the stoppers 16 to 18 are not attached. When the door shock absorber 30 is installed in the wrong direction, the stoppers 16 to 18 interfere with the protrusions 51 to 53 protruding from the leg portions 31 and attach the door shock absorber 30 in the wrong direction. Prevent that.

  As a result, the door impact absorber 30 can be attached in the correct direction to absorb a desired amount of impact energy.

  When the impact load is input from the side surface of the vehicle due to the side collision, the impact load is input from the outer panel 22 of the door panel 20 to the top plate 33 of the door impact absorber 30. Since the impact absorber 30 for a door is arranged between the door trim 10 and the outer panel 22, the impact load F is sandwiched between the door trim 10 and the outer panel 22 and compressed by the impact load F.

  At this time, a lateral force for moving the door impact absorber 30 along the inner surface 10a of the door trim 10 may be input to the door impact absorber 30. When this lateral force causes the impact absorber 30 for the door to move along the inner surface 10a of the door trim 10, the leg 31 or the plate 32 attached to the tip of the leg 31 abuts the stoppers 16 to 18. When the load is input, the door impact absorber 30 is restricted from moving along the inner surface 10a of the door trim 10.

  Then, the compressive load is input to the plate members 35, 35a, 35b, and the plate members 35, 35a, 35b are attached to the door trim side end 37 of the first reinforcing rib 36 as shown by arrows 91 to 93 and broken lines in FIG. From the position as a starting point, buckling deformation is performed so that the side of the first reinforcing rib 36 having a low height of the reinforcing rib is bent in a V shape having a convex shape. Furthermore, the compressive load causes the first reinforcing rib 36 to buckle at the corner 39 of the second reinforcing rib 38 as a starting point. As described above, in the vehicle door 100, it is possible to prevent the door shock absorber 30 from moving along the inner surface 10a of the door trim 10 and to cause the plate members 35, 35a, 35b to perform desired buckling deformation. it can. As a result, the door impact absorber 30 can absorb a desired amount of collision energy.

  In the vehicle door 100 of the embodiment described above, an example of the arrangement of the stoppers 16 to 18 and the protrusions 51 to 53 is shown, but the arrangement of the stoppers 16 to 18 and the protrusions 51 to 53 is not limited to this arrangement, and is free. It may be placed at.

  10 door trim, 11 door pocket, 12 armrest, 13 inside handle, 14 flat plate part, 15 guide, 16-18 stopper, 16a-18a receiving plate, 16b-18b supporting plate, 20 door panel, 21 inner panel, 22 outer panel, 23 opening , 30 door shock absorber, 31 leg portion, 32 plate, 32a opening, 33 top plate, 34 reinforcing rib, 35, 35a, 35b plate member, 36 first reinforcing rib, 37 door trim side end, 38 second reinforcing rib , 39 corners, 51-53 protrusions, 60 fixtures, 100 vehicle doors.

Claims (1)

A vehicle door including a door trim and a door shock absorber attached to an inner surface of the door trim,
The shock absorber for the door,
A plurality of legs fixed to the inner surface of the door trim,
A top plate to which the impact load from the vehicle side face is input in the event of a side collision by connecting a plurality of the leg portions;
A plurality of plate members extending from the top plate toward the door trim,
The door trim is
A stopper that is erected on a part of the periphery of the attachment position where the leg portion of the inner surface is attached and that restricts movement of the leg portion in a direction along the inner surface;
The legs are
When the door shock absorber is attached to the door trim in the correct direction, the door trim is provided with a protrusion protruding in a direction in which the stopper is not provided.
Vehicle doors characterized by.