JP2019131136A - Vehicle door panel structure - Google Patents

Abstract

To provide a vehicle door panel structure which can avoid occurrence of wind noise.SOLUTION: A vehicle front side upper part of a door panel 18 has: a first surface 30a extending from a door inner panel 22 to the vehicle inner side; a second surface 32a bending from the first surface 30a and extending to an area below the door panel 18; an extension surface 34a continuing into the second surface 32a and extending to the vehicle front side of the door panel 18; and a coupling surface 36a which connects a vehicle front end part 30b of the first surface 30a with a vertical upper end part 34b of the extension surface 34a.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a door panel structure for a vehicle such as an automobile.

  For example, Patent Document 1 discloses a one-side center pillar-less vehicle in which a reinforcing member is provided at a front corner portion on the center pillar-less side and a reinforcing member is provided on a cross member portion.

  In Patent Document 1, it is described that the rigidity difference between the left and right of the vehicle body can be eliminated by providing a reinforcing member on the center pillar-less side.

Japanese Patent No. 4247378

  By the way, when the door is fully closed, a gap may be generated between the door panel and another door or the vehicle body. There is a case where air flows into this gap during traveling and a wind noise (noise) is generated.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a vehicle door panel structure capable of avoiding the generation of wind noise.

  In order to achieve the above object, according to the present invention, an outer peripheral edge portion of a door inner panel of a vehicle and an outer peripheral edge portion of a door outer panel are joined to each other, and a part of a mating surface between the joined outer peripheral edge joint portions is provided. Is a structure of a door panel disposed on the inside of the vehicle, wherein an upper portion of the door panel is bent from the first surface and a first surface extending from the outer peripheral edge joint portion toward the vehicle inner side. A second surface extending downward, an extending surface extending continuously outward in the vehicle front-rear direction of the door panel, and a vehicle front-rear direction end portion of the first surface; And a connecting surface that connects the upper end of the extending surface in the vertical direction.

  In the present invention, a vehicle door panel structure that can avoid the generation of wind noise can be obtained.

1 is a partially virtual left side view of a vehicle to which a door panel structure according to an embodiment of the present invention is applied. It is the expansion perspective view which looked at the upper part of the door panel of the vehicle shown in FIG. 1 from the vehicle inner side. It is an expansion perspective view of the vehicle front end part of the door panel shown in FIG. FIG. 4A is an end view taken along the line IVA-IVA in FIG. 3, and FIG. 4B is an end view taken along the line IV-B-IVB in FIG. FIG. 5 is a partially virtual perspective view showing a clamping member attached to the extended surface of the door panel and a seal member pressed by the clamping member. FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 5. It is the expansion perspective view which looked at the upper part of the door panel to which the door panel structure which concerns on the comparative example which the present applicant devised was applied was seen from the vehicle inside. It is an expansion perspective view of the vehicle front end part of the door panel shown in FIG.

  Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate. In each figure, “front and rear” indicates the vehicle longitudinal direction, “left and right” indicates the left and right direction (vehicle width direction), and “up and down” indicates the vehicle body vertical direction (vertical vertical direction).

  As shown in FIG. 1, a vehicle 10 to which a door panel structure according to an embodiment of the present invention is applied is a one-side center pillarless vehicle. The vehicle 10 includes a vehicle body left side portion 12 on the center pillar-less side and a vehicle body right side portion (not shown) on the side having a center pillar (not shown) disposed on the opposite side along the vehicle width direction. Yes.

  In the present embodiment, the case where the door panel structure is applied to a one-side center-pillarless vehicle is described, but the present invention is not limited to this. The door panel structure can be applied to any vehicle having a sliding door on one or both sides.

  The vehicle body left side portion 12 includes a first side panel outer provided outside the vehicle body left side portion 12 and a first side panel inner provided inside the vehicle body left side portion 12. The right side of the vehicle body includes a second side panel outer provided outside the right side of the vehicle body and a second side panel inner provided inside the right side of the vehicle body.

  The first side panel outer is formed with a single door opening 13 that is substantially rectangular in a side view. The door opening 13 is provided with a front door 14 that opens and closes using a hinge (not shown) as a pivot, and a rear slide door 16 that slides in the vehicle front-rear direction. The door opening 13 is fitted with a seal member 52 (see FIGS. 5 and 6) which will be described later. In the present embodiment, the case where the door panel structure is applied to the rear slide door 16 is illustrated. However, the present invention is not limited to this and may be applied to the vehicle rear end portion of the front door 14.

  Two door openings (not shown) are formed in the second side panel outer along the vehicle front-rear direction. The two door openings are composed of a front door opening located at the front of the center pillar and a rear door opening located at the rear of the center pillar.

  The vehicle door panel structure according to the present embodiment is applied to both the rear slide door 16 on the center pillar-less side and the rear slide door on the side having the center pillar. Hereinafter, the rear slide door 16 on the center pillar-less side will be described in detail, and description of the rear slide door on the side having the center pillar will be omitted.

  As shown in FIG. 2 (as shown), the rear slide door 16 includes a door panel 18 (see FIG. 1) and a slide mechanism 20 that supports the door panel 18 so as to be slidable along the vehicle front-rear direction.

  The door panel 18 includes a door inner panel 22, a door outer panel 24, and a door stiffener (stiffener) 26 (see FIGS. 3, 4A, and 4B). The door inner panel 22 is disposed on the inner side (vehicle compartment side) of the door panel 18 in the vehicle width direction. The door outer panel 24 is disposed on the vehicle width direction outer side (vehicle outer side) of the door panel 18. The door stiffener 26 is interposed between the door inner panel 22 and the door outer panel 24 (see FIG. 4B).

  The door panel 18 is configured by joining the outer peripheral edge of the door inner panel 22 and the outer peripheral edge of the door outer panel 24 to each other. The outer peripheral edge joint portion 28 where the outer peripheral edge portions are joined to each other has a mating surface. The mating surface is disposed on the vehicle exterior side, and a part of the mating surface is disposed on the vehicle interior side. For example, of the outer peripheral edge joint portion 28, the mating surface of the outer peripheral edge joint portion 28 positioned in the vehicle vertical upward direction at the vehicle front end is disposed on the vehicle inner side as shown in FIG.

  As shown in FIG. 3, the upper portion of the door panel 18 on the vehicle front side includes a first surface portion 30, a second surface portion 32, an extending portion 34, and a connecting portion 36.

  The first surface portion 30 has a first surface 30a extending from the door inner panel 22 toward the vehicle interior side. The first surface 30a extends from the upper portion of the door panel 18 on the front side of the vehicle toward the rear of the vehicle. The second surface portion 32 has a second surface 32a that is bent from the first surface 30a and extends along the lower side of the door panel 18 (the vertical downward direction and the vehicle body downward direction). The second surface 32a extends from the vehicle front side of the door panel 18 toward the vehicle rear side. The extending portion 34 has an extending surface 34 a that extends continuously from the second surface 32 a toward the vehicle front side of the door panel 18. The extending surface 34a extends from the upper part of the door panel 18 on the front side of the vehicle toward the lower side of the vehicle body.

  As shown in FIG. 3, the connecting portion 36 has a connecting surface 36a that connects (connects) the vehicle front end portion 30b of the first surface 30a and the vertical upper end portion 34b of the extending surface 34a. . Moreover, the connection part 36 has the recessed part 38 dented below a vehicle body compared with the 1st surface 30a.

  As shown in FIG. 4A, the connecting surface 36a (connecting portion 36) has a bulging portion 40, an inclined portion 42, and a flat portion 44 successively in order from the rear of the vehicle toward the front of the vehicle. Is formed. The bulging part 40 is formed to bulge upward in a cross-sectional arc shape from the vehicle front end portion of the first surface 30a. The inclined portion 42 is formed so as to fall from the lower end of the bulging portion 40 toward the bottom surface of the recess 38. The flat surface portion 44 is located at the vehicle front end portion of the connecting surface 36a. The plane portion 44 is formed by a plane in which three members, which are a vehicle front end portion 22a of the door inner panel 22, a vehicle front end portion 24a of the door outer panel 24, and a vehicle front end portion 26a of the door stiffener 26, are overlapped. ing.

  As shown in FIG. 4 (b), the connecting surface 36a (connecting portion 36) is formed such that a vertical wall portion 46 and an inclined portion 48 are successively formed from the outer side in the vehicle width direction toward the inner side in the vehicle width direction. Has been. The vertical wall portion 46 is formed so as to extend along the vertically downward direction from the outer peripheral edge joint portion 50 located on the vehicle outer side. The inclined portion 48 is formed so as to be gently inclined from the lower end of the vertical wall portion 46 toward the inner side in the vehicle width direction so as to continue to the extending surface 34a (see FIG. 3).

  The door stiffener 26 extends between the door inner panel 22 and the door outer panel 24 from the second surface 32a to the recess 38 of the connecting surface 36a. The wall thickness of the door stiffener 26 is formed to be thicker than the wall thickness of the door inner panel 22 and the door outer panel 24.

  A seal member 52 is attached to the door opening 13 (see FIG. 1) on the vehicle body side. A clamping member 54 that presses the seal member 52 and clamps the seal member 52 with the vehicle body side is attached to the extended surface 34 a via a bolt 56. As shown in FIG. 6, the clamping member 54 includes a main body portion 58 that is fastened by a bolt 56 that is inserted into a bolt insertion hole formed in the extension portion 34, and a seal member that is positioned above the main body portion 58. And a pressing portion 60 that presses 52 toward the inner side in the vehicle width direction. The upper end 60a in the vertical direction of the pressing portion 60 is higher than the connecting surface 36a (concave portion 28) of the connecting portion 36 so as to protrude upward (see FIG. 6).

  As shown in FIG. 2, the slide mechanism 20 includes a guide rail 62, a roller 64, and a door bracket 66.

  The guide rail 62 has a substantially U-shaped axial cross section and is fixed to the upper part (upper frame) of the vehicle body facing the vehicle compartment. In addition, a guide groove is formed in the guide rail 62 having a substantially U-shaped axial cross section. The roller 64 is disposed so as to roll (displace) along the guide groove of the guide rail 62.

  The door bracket 66 is provided so as to be displaced along the guide rail 62 integrally with the rear slide door 16. A roller 64 is pivotally attached to the inner end of the door bracket 66 in the vehicle width direction via a pin member 68. The outer end of the door bracket 66 in the vehicle width direction is fastened and fixed to the first surface portion 30 (first surface 30a) of the door panel 18 via a bolt (not shown).

  The vehicle 10 to which the door panel structure according to the present embodiment is applied is basically configured as described above. Next, the function and effect will be described.

  In this embodiment, the connection part 36 has the connection surface 36a which connects the vehicle front end part 30b of the 1st surface 30a, and the perpendicular direction upper end part 34b of the extension surface 34a. Thereby, in this embodiment, when the rear slide door 16 is closed, a gap between the door panel 18 and the front door 14 or the vehicle body (for example, a center pillar) is filled with the connecting surface 36a. As a result, it is possible to avoid the occurrence of wind noise by filling the gap through which air flows during traveling with the connecting surface 36a.

  FIG. 7 is an enlarged perspective view of the upper part of the door panel to which the door panel structure according to the comparative example devised by the present applicant is applied, as viewed from the inside of the vehicle, and FIG. 8 is a front end portion of the door panel shown in FIG. It is an expansion perspective view.

  In this comparative example, the upper portion of the door panel 18a on the front side of the vehicle includes only the first surface portion 30 having the first surface 30a and the second surface portion 32 having the second surface 32a. Therefore, the comparative example is different from the present embodiment in that the connecting portion 36 having the connecting surface 36a and the extending portion 34 having the extending surface 34a are not provided. In the comparative example, the same components as those of the present embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  In the door panel 18a according to the comparative example, the first surface 30a extends to the vehicle front end 30b and protrudes from the door inner panel 22 toward the vehicle inner side. For this reason, the ridgeline portion 70 located at the boundary between the first surface 30a and the second surface 32a at the front end portion of the vehicle is formed with a bent portion 72 that bends in a substantially square shape when viewed from the front of the vehicle. Yes. The bent portion 72 is an outer peripheral edge joint portion between the vehicle front end portion 30b of the first surface 30a and the vehicle front end portion 32b of the second surface 32a, and between the front door 14 adjacent to the vehicle front. A gap 74 is formed. As a result, in the comparative example, there is a problem that air flows into the gap 74 during traveling and wind noise (noise) is generated.

  On the other hand, in this embodiment, a windshield is provided by providing a connecting surface 36a that connects the vehicle front end 30b of the first surface 30a and the vertical upper end 34b of the extending surface 34a to fill the gap 74. The generation of sound (noise) is avoided. In other words, in the present embodiment, the ridge line portion 70 on the vehicle front side that protrudes toward the vehicle inner side in the comparative example is deformed so as to be pushed toward the vehicle outer side (vehicle width direction outer side), and the concave portion 38 is formed on the connecting surface 36a. Thus, the gap 74 is filled.

  Moreover, in this embodiment, the extended surface 34a extended toward the vehicle front of the door panel 18 is provided continuously from the 2nd surface 32a. Thereby, in this embodiment, the support area which supports the seal member 52 with which the door opening part 13 was mounted | worn by the extended surface 34a increases. As a result, in this embodiment, rattling between the front door 14 or the vehicle body (for example, center pillar) and the door panel 18 can be suppressed.

  Furthermore, in this embodiment, the connection surface 36a has the plane part 44 located in a vehicle rear end part (refer Fig.4 (a)). The plane portion 44 is formed by a plane in which the vehicle front end portion 22a of the door inner panel 22 and the vehicle front end portion 24a of the door outer panel 24 overlap. Thereby, in this embodiment, the joining operation | work of the connection part 36 can be easily performed at the time of manufacture of the door panel 18 by forming the mating surface in the connection surface 36a with a plane.

  For example, spot welding for joining vehicle body panels sandwiches and joins the mating surfaces of the panels with a pair of electrodes, so that the mating surfaces of the vehicle front end portions 22a and 24a of the connecting surface 36a can be easily spot welded. Can do.

  Furthermore, in the present embodiment, the door stiffener 26 extending from the second surface 32a to the concave portion 38 of the connecting portion 36 is provided between the door inner panel 22 and the door outer panel 24 (FIG. 4A). ), FIG. 4 (b)). Thereby, in this embodiment, since the connection surface 36a and the surface of the second 32a are reinforced by the single door stiffener 26, the deformation of the connection surface 36a can be suppressed by the door stiffener 26. Further, as shown in FIGS. 4A and 4B, the door stiffener 26 is disposed on the lower side or the lower side of the connection surface 36a, thereby improving the rigidity and strength of the connection surface 36a. Can be made.

(Operation and effect of claim 4)
Furthermore, in the present embodiment, a clamping member 54 that presses the sealing member 52 and clamps the sealing member 52 with the vehicle body side is attached to the extending surface 34a (see FIGS. 5 and 6). In the present embodiment, even when the connecting surface 36a that fills the gap 74 is formed, by attaching the clamping member 54, the desired strength of the extending portion 34 is secured and the backup function of the seal member 52 is improved. Can be made.

DESCRIPTION OF SYMBOLS 10 Vehicle 13 Door opening part 18 Door panel 22 Door inner panel 24 Door outer panel 26 Door stiffener (stiffener)
28 Outer peripheral edge joint portion 30a First surface 30b Vehicle front end portion 32a (first surface) Vehicle front end portion 32a Second surface 34a Extension surface 34b (Extension surface) vertical upper end portion 36a Connection surface 38 Recess portion 44 Plane portion 52 Seal Member 54 Holding member

Claims (4)

A structure of a door panel in which an outer peripheral edge portion of a door inner panel of a vehicle and an outer peripheral edge portion of a door outer panel are joined to each other, and a part of a mating surface between the joined outer peripheral edge joint portions is arranged on the vehicle inner side. ,
The upper part of the door panel is
A first surface extending from the outer peripheral edge joint portion toward the vehicle interior;
A second surface bent from the first surface and extending downward of the door panel;
An extended surface extending continuously outward of the door panel in the vehicle front-rear direction continuously to the second surface;
A connecting surface connecting the vehicle front-rear direction end of the first surface and the vertical upper end of the extending surface;
A vehicle door panel structure characterized by comprising: The vehicle door panel structure according to claim 1,
The connecting surface has a flat portion located at the vehicle front end of the connecting surface;
The vehicle door panel structure according to claim 1, wherein the flat portion includes a plane in which a vehicle front end portion of the door inner panel and a vehicle front end portion of the door outer panel overlap each other. In the vehicle door panel structure according to claim 1 or 2,
The connection surface has a recess recessed below the vehicle body compared to the first surface,
A vehicular door panel structure comprising a stiffener extending from the second surface to the recess between the door inner panel and the door outer panel. The vehicle door panel structure according to any one of claims 1 to 3,
A seal member is attached to the door opening on the vehicle body side,
The vehicle door panel structure according to claim 1, wherein a clamping member that presses the seal member and clamps the seal member with the vehicle body side is attached to the extension surface.

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