JP2020124987A - Vehicle body side part structure - Google Patents

Abstract

To prevent deterioration of sealing performance even if, for example, errors, such as a dimensional error and an assembly error, occur.SOLUTION: A vehicle body side part structure includes: a garnish 24 attached to a door corner part 22; and a seal member 26 disposed between the door corner part 22 and the garnish 24. The seal member 26 has a flat part 50 and a lip part 52 which protrudes from the flat part 50 to seal the door corner part 22. The garnish 24 has a pressing part 42 which protrudes to a seal member 26 side and presses the seal member 26 to a door corner part 22 side. The seal member 26 has a deflectable part 60 exhibiting a recessed shape that receives the pressing part 42 at a side of the flat part 50 opposite to the lip part 52. At least a part of the deflectable part 60 is located at a position overlapping with the lip part 52 in a vehicle fore and aft direction.SELECTED DRAWING: Figure 7

Description

The present invention relates to a vehicle body side structure of a vehicle such as an automobile.

For example, Patent Document 1 discloses a seal structure for a door mirror in which a seal member having a seal lip portion is interposed between a corner portion and a garnish of a side door of an automobile.

In the seal structure of the door mirror disclosed in Patent Document 1, by providing a flexible portion at a portion adjacent to the seal lip portion, the seal lip portion is appropriately pressed against the corner portion of the door to exert a sealing function. It is possible.

Japanese Patent No. 4229826

By the way, the pressing position of the pressing portion with respect to the seal lip portion may shift in the direction away from the adjacent flexible portion due to dimensional error of the product, assembly error during assembly, and the like.

In this case, in the seal structure disclosed in Patent Document 1, when the pressing position (contacting position) between the pressing portion of the garnish and the seal lip portion of the sealing member shifts, the adjacent bending portion does not function and the sealing member of the sealing member The sealing performance may be reduced.

The present invention has been made in view of the above points, and, for example, even when a dimensional error, an assembly error, or the like occurs, it is possible to avoid a decrease in sealing performance and a vehicle body side portion. It is intended to provide a structure.

In order to achieve the above-mentioned object, the present invention comprises an exterior component attached to a door corner portion, and a seal member arranged between the door corner portion and the exterior component, wherein the seal member is In a vehicle body side part structure having a flat portion including a flat surface that covers the door corner portion and a lip portion that projects from the flat portion and seals the door corner portion, the exterior component projects toward the seal member side. A sealing member having a pressing portion that presses the sealing member toward the door corner portion, and the sealing member has a concave shape that receives the pressing portion on the side of the flat portion opposite to the lip portion A portion, and at least a part of the flexibly deformable portion is arranged at a position overlapping the lip portion in the vehicle front-rear direction.

According to the present invention, for example, it is possible to obtain a vehicle body side structure capable of avoiding a decrease in sealing performance even when a dimensional error, an assembly error or the like occurs.

1 is a partial perspective view showing a right side portion of a vehicle to which a vehicle body side portion structure according to an embodiment of the present invention is applied. It is an exploded perspective view of a seal member and a garnish attached to a door corner portion. It is a side view showing a state where a seal member and a garnish are attached to a door corner portion. FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG. 3. It is a side view which shows the lip part provided in the seal member. It is a longitudinal cross-sectional view along the VI-VI line of FIG. It is an expanded sectional view of the A section shown in FIG. FIG. 8 is an enlarged cross-sectional view corresponding to FIG. 7 and showing a state in which the seal member and the garnish are assembled to the door corner portion. It is a side view which shows the overhanging length of the sealing member with respect to the garnish. It is a longitudinal cross-sectional view along the XX line of FIG. It is a side view showing a state where a seal member and a garnish are assembled to a door corner portion. FIG. 12 is a transverse sectional view taken along line XII-XII in FIG. 11. It is a partial expanded sectional view of FIG. (A) is a side view showing the lip portion of the seal member, and (b) is a cross-sectional explanatory view for comparing the protruding lengths of the lip portions. It is a side view which shows a circular surrounding part in a lip part. It is a side view showing a state where a seal member and a garnish are assembled to a door corner portion. FIG. 17 is a cross-sectional view taken along the line XVII-XVII in FIG. 16. (A) is a schematic cross section which shows the recessed part of the garnish in this embodiment, (b) is a schematic cross section of the garnish in the comparative example devised by the present applicant.

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 front-rear direction, "left and right" indicates the vehicle width direction (left and right direction), and "up and down" indicates the vehicle up and down direction (vertical up and down direction).

As shown in FIG. 1, a vehicle 10 to which a vehicle body side structure according to the present embodiment is applied includes a side door 12 that opens and closes a door opening formed in the vehicle body side portion, and a front pillar 14 (A pillar). And a vehicle body side panel (vehicle body) 16. In FIG. 1, only the right side portion of the vehicle is shown, and the left side portion of the vehicle is not shown. The front pillar 14 is continuous with a roof portion (not shown) and extends (tilts) from the roof portion so as to fall toward the front of the vehicle. The vehicle body side panel 16 is composed of, for example, a side fender and constitutes a part of the door opening on the vehicle front side.

As shown in FIG. 2, the side door 12 has a door panel 18 and a door frame 20. The door panel 18 has an outer panel arranged outside the vehicle and an inner panel arranged inside the vehicle. The door frame 20 is integrally provided on the upper portion of the door panel 18 and constitutes an outer frame. The door frame 20 is adapted to hold a part of an outer peripheral edge portion of a door window glass 21 (see FIGS. 1 and 2) which is supported inside the door panel 18 so as to be vertically movable.

A door corner portion 22 is provided on the vehicle front side of the door frame 20 and above the door panel 18 on the vehicle front side. The door corner portion 22 has a substantially parallelogram shape when viewed from the outside of the vehicle. A garnish (exterior component) 24 mounted on the vehicle corner outer side of the door corner portion 22 and a seal member 26 interposed between the door corner portion 22 and the garnish 24 are mounted on the door corner portion 22. ..

Although the door corner portion 22 is arranged on the side door 12 side in the present embodiment, the present invention is not limited to this. For example, the door corner portion 22 may be arranged on the vehicle body side panel 16 which is the vehicle body side.

The upper portion of the door corner portion 22 is continuous with the vehicle front end portion of the front pillar 14 inclined so as to fall toward the front of the vehicle (see FIG. 1 ). The lower portion of the door corner portion 22 is continuous with the upper portion of the door panel 18 on the vehicle front side.

A recess 28 that is recessed toward the inside of the vehicle is provided on the outside of the door corner portion 22 (see FIG. 2). Further, in the door corner portion 22, a plurality of (three in this embodiment) locking holes 32 for locking the clip 30 (see FIG. 10) are arranged. The garnish 24 is attached to the recess 28 (door corner portion 22) via a plurality of clips 30 (including 30a).

As shown in FIG. 10, each clip 30 has an insertion portion 34 and a head portion 36 integrally formed. The insertion portion 34 is provided so that it can be inserted into the locking hole 32 of the door corner portion 22 and is prevented from coming off from the locking hole 32. The head portion 36 is held by a holding portion 38 provided inside the garnish 24.

The garnish 24 has a substantially triangular shape when viewed from the side, and has a shape that is substantially similar to the seal member 26 (see FIG. 2 ). Further, the garnish 24 has a blade cross-sectional shape along the vehicle front-rear direction (see FIG. 6). The outer surface of the vehicle rear end portion in the cross section of the garnish 24 has a recessed portion (fourth recessed portion) 40 that is recessed inward toward the vehicle rear side (see FIGS. 6, 2, and 3 ).

The garnish 24 has a pressing portion 42 (see FIGS. 6 and 7) and a garnish protrusion 44 (see FIGS. 11, 12, and 13). As shown in FIG. 7, the pressing portion 42 projects toward the seal member 26 side and exerts a sealing function by pressing the seal member 26 toward the door corner portion 22 side. The garnish projecting portion 44 projects toward the vehicle front side with respect to the door corner portion 22 (see FIG. 3 ).

The vehicle body side panel 16 adjacent to the door corner portion 22 is provided with a recess (second recess) 46 corresponding to the shape of the garnish protrusion 44 and housing the garnish protrusion 44 (FIGS. 11 and 12). reference). A second seal portion 48 extending from the seal member 26 is provided between the garnish protrusion 44 and the recess 46. The second seal portion 48 projects outward from the garnish 24 (see FIG. 13). As shown in FIG. 9, the overhanging length (L1) of the second seal portion 48 is longer than the overhanging length (L2) of the other portion (L1>L2). In FIG. 9, the projecting length (L2) of the projecting portion 62a projecting upward and the projecting length (L2) of the projecting portion 62b projecting downward may be different.

The seal member 26 has a substantially triangular shape when viewed from the side (see FIG. 2) and is arranged at a position overlapping the garnish 24 in the vehicle width direction (see FIG. 3 ).

The seal member 26 has a flat portion 50 that is a flat surface that covers the door corner portion 22, and a lip portion 52 that projects from the flat portion 50 and seals the door corner portion 22 (see FIG. 7 ). Further, the seal member 26 has a protrusion 56 (see FIG. 17) that presses and seals a molding 54 (see FIGS. 16 and 17) described later. Further, the seal member 26 has a recess (third recess) 58 recessed toward the molding 54 on the surface opposite to the protrusion 56 (see FIG. 17).

As shown in FIG. 5, as viewed from the side, the lip portion 52 includes the oblique side portion 52a, the front vertical side portion 52b, the surrounding portion 52c, the lower side portion 52d, the bent side portion 52e, and the rear vertical side portion. And 52f. The hypotenuse portion 52a is inclined so as to fall from the vehicle rear side toward the vehicle front side. The front vertical side portion 52b extends downward from the vehicle front end of the oblique side portion 52a. The surrounding portion 52c is continuous with the middle portion of the front vertical side portion 52b and surrounds the clip 30a in front of the vehicle.

The lower side portion 52d extends downward from the surrounding portion 52c and then extends rearward of the vehicle. The bent side portion 52e extends upward from the vehicle rear end of the lower side portion 52d and then bends toward the vehicle rear side. The rear vertical side portion 52f extends upward from the vehicle rear end of the bent side portion 52e and is continuous with the vehicle rear end of the oblique side portion 52a.

As shown in FIG. 7, the seal member 26 further includes, on the side of the flat portion 50 opposite to the lip portion 52, a flexible deformable portion 60 having a recessed shape that receives the pressing portion 42 of the garnish 24. At least a part of the flexibly deformable portion 60 is arranged at a position overlapping the lip portion 52 in the vehicle front-rear direction. The thickness (D1) of the flexibly deformable portion 60 is thinner than the thickness (D2) of the flat portion 50 (D1<D2) (see FIG. 7). Further, in the seal member 26, the wall thickness (D3) of the second seal portion 48 is larger than the wall thickness (D2) of the flat portion 50 (D2<D3) (see FIG. 13).

As shown in FIG. 9, the seal member 26 has overhanging portions 62 a and 62 b projecting outward from the garnish 24 on at least two sides of the three sides of the garnish 24. Two sides (overhanging portions 62a and 62b) of the seal member 26 that projects to the outside are located on both sides of the vertex 64 of the triangle with the vehicle front as a vertex 64.

Of the plurality of clips 30 that attach the garnish 24 to the recesses 28 of the door corner portion 22, the lip portion 52 that seals the clip 30a located closest to the front of the vehicle is provided with the surrounding portion 52c that surrounds the clip 30a. (See FIG. 5). The surrounding portion 52c is formed in a circular shape (see FIG. 15) or a rectangular shape (see FIG. 5) when viewed from the side. As shown in FIGS. 14(a) and 14(b), the projecting length (L3) of the surrounding portion 52c surrounding the clip 30a is different from that of the other lip portion 52 (the oblique side portion 52a, the front vertical side portion). 52b, the lower side portion 52d, the bent side portion 52e, the rear vertical side portion 52f) is longer than the protruding length (L4) (L3>L4).

As shown in FIGS. 16 and 17, the door frame 20 located at the vehicle rear side of the door corner portion 22 is provided with a molding 54 extending along the vehicle front-rear direction. A part of the molding 54 is interposed between the seal member 26 and the door corner portion 22. A space 66 (see FIG. 17) is provided at the front position of the front end of the mall 54 in the vehicle.

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

In the present embodiment, the seal member 26 has, on the surface of the flat portion 50 opposite to the lip portion 52, a flexurally deformable portion 60 having a hollow shape that receives the pressing portion 42 of the garnish 24. At least a part of the flexibly deformable portion 60 is arranged at a position overlapping the lip portion 52 in the vehicle front-rear direction.

In this embodiment, at the time of assembly, the pressing portion 42 of the garnish 24 is positioned within the recessed portion, and the pressing portion 42 causes the flexible deformable portion 60 to move toward the lip portion 52 side (door corner portion 22 side). The flexible deformable portion 60 is flexed and deformed in an arcuate cross section (see FIG. 8). Therefore, in the present embodiment, it is possible to prevent the pressing portion 42 from being detached from the flexurally deformable portion 60 and assembled. As a result, in the present embodiment, it is possible to prevent the sealing performance from deteriorating even if, for example, a dimensional error or an assembly error occurs. In addition, in the present embodiment, since it is not necessary to improve the dimensional accuracy, it is possible to promote the reduction of manufacturing cost.

In addition, in the present embodiment, since the flexurally deformable portion 60 can be flexibly deformed easily, the reaction force is less likely to be generated on the garnish 24 side, and the generation of the warp in the garnish 24 can be suppressed.

Further, in the present embodiment, since the flexurally deformable portion 60 is arranged at a position where at least a part thereof overlaps the lip portion 52 in the vehicle front-rear direction, the flexural deformation of the flexurally deformable portion 60 by the pressing portion 42. Thus, the tip of the lip portion 52 that comes into contact with the door corner portion 22 can be bent and sealed (see FIG. 8). As a result, in the present embodiment, the area of the sealing surface formed by the lip portion 52 can be increased and the sealing performance of the sealing member 26 can be improved.

Further, in the present embodiment, the thickness (D1) of the flexibly deformable portion 60 is thinner than the thickness (D2) of the flat portion 50 (D1<D2) (see FIG. 7). As a result, in the present embodiment, it is possible to easily manufacture the flexurally deformable portion 60 having a hollow shape on the surface of the seal member 26 opposite to the lip portion 52.

Further, in the present embodiment, a recess 28 is provided on the vehicle outer side of the door corner portion 22, and a garnish 24 that is an exterior component and has a substantially triangular shape in a side view is attached to the recess 28. The seal member 26 is arranged at a position overlapping the garnish 24 in the vehicle width direction. At least two of the three sides of the garnish 24, the sealing member 26 has overhanging portions 62a and 62b that are overhanging to the outside of the garnish 24. Two sides (overhanging portions 62a, 62b) of the protruding seal member 26 are located on both sides of the vertex 64 of the triangle with the front of the vehicle as the vertex 64 of the triangle.

In the present embodiment, the lip portion 52 of the seal member 26 can ensure a desired sealing performance between the door corner portion 22 and the garnish 24, and the protrusion portions 62 a and 62 b protruding outside the garnish 24. Is closely contacted (sandwiched) by the door frame 20 and the garnish 24 (see FIG. 4), and has a double seal structure, so that the sealing performance can be further improved. In particular, when the triangular vehicle front is the vertex 64, the two sides (upper side and lower side) on both sides of the triangle are the two sides (protruding portions 62a, 62b) of the protruding portion. It is possible to preferably prevent rainwater or the like from entering the inside of the seal member 26 due to the pressure of the traveling wind heading for (see FIG. 4).

Furthermore, in the present embodiment, the door corner portion 22 is arranged on the door panel 18 side. The garnish 24 has a garnish protrusion portion 44 that protrudes toward the front of the vehicle from the door corner portion 22. The vehicle body side panel 16 side (side fender side) is provided with a recess 46 for housing the garnish protrusion 44. A second seal portion 48 extending from the seal member 26 is provided between the garnish protrusion 44 and the recess 46 on the vehicle body side panel 16 side.

As a result, in this embodiment, even if the garnish protrusion 44 is required in the exterior design of the vehicle, the desired sealing performance can be ensured. In other words, in the present embodiment, even when the garnish protrusion portion 44 that protrudes toward the vehicle front side with respect to the door corner portion 22 is provided, the vehicle body side panel 16 (side fender) side with respect to the door corner portion 22. It is possible to preferably prevent rainwater and the like from entering.

Furthermore, in the present embodiment, the second seal portion 48 of the seal member 26 projects outside the garnish 24. The overhanging length (L1) of the second seal portion 48 to the outside is longer than the overhanging length (L2) at other portions (L1>L2) (see FIG. 9).

As a result, in the present embodiment, in the seal member 26, by making the outward protrusion length (L1) of the second seal portion 48 longer than other portions, the door corner portion 22 and the vehicle body side panel. Even if there is a large step between 16 (side fender), desired sealing performance can be ensured.

Furthermore, in the present embodiment, in the seal member 26, the thickness (D3) of the second seal portion 48 is larger than the thickness (D2) of the flat portion 50 (D2<D3) (see FIG. 13). ). As a result, in this embodiment, since the concave portion 46 of the vehicle body side panel 16 that houses the garnish protruding portion 44 is formed thick, for example, even when the side door 12 swings due to vibrations or the like, the garnish 24 is formed. The sealability between the vehicle body side panel 16 and the vehicle body side panel 16 can be ensured. As a result, it is possible to prevent rainwater from entering the door corner portion 22 from the side fender side which is the vehicle body side panel 16. Further, even if a step is generated between the door corner portion 22 and the side fender, desired sealing performance can be ensured.

Furthermore, in the present embodiment, a plurality of clips 30 that connect the garnish 24 to the door corner portion 22 at a plurality of locations are provided. A surrounding portion 52c surrounding the clip 30a is provided on the lip portion 52 that seals the clip 30a located closest to the front of the vehicle among the plurality of clips 30.

As a result, in the present embodiment, the clip 30a located in front of the vehicle, which is most affected by the traveling wind and the like, has improved sealability as compared with the other clips 30, so that the garnish 24 flaps due to the traveling wind. Even if there is, rainwater can be prevented from entering.

Furthermore, in the present embodiment, the protruding length (L3) of the surrounding portion 52c surrounding the clip 30a is longer than the protruding length (L4) of the other lip portion 52 (L3>L4). (See Figure 14). As a result, in the present embodiment, the clip 30a surrounded by the surrounding portion 52c has improved sealability as compared with the other clips 30, so that even when the garnish 24 flickers due to high speed running or strong wind. The desired sealing performance can be ensured.

Furthermore, in this embodiment, the surrounding portion 52c surrounding the clip 30a has a circular shape when viewed from the side (see FIG. 15). As a result, in this embodiment, since the surrounding portion 52c has a circular shape without corners, stress is not concentrated on the corners, and the sealing performance can be improved.

Furthermore, in the present embodiment, a part of the molding 54 is interposed between the seal member 26 and the door corner portion 22. A space 66 is provided in front of the vehicle front end of the mall 54. The seal member 26 has a protrusion 56 that presses and seals the molding 54.

As a result, in this embodiment, a desired sealing performance can be secured at the joint between the molding 54 and the garnish 24. Further, when the molding 54 thermally expands in the vehicle front-rear direction, the thermally expanded length can be absorbed by the space portion 66 located in front of the vehicle front end portion of the molding 54.

Furthermore, in the present embodiment, the seal member 26 has a recess 58 that is recessed toward the molding 54 on the surface opposite to the protrusion 56. As a result, in this embodiment, since the recess 58 is provided on the surface opposite to the protrusion 56, the bending margin of the seal member 26 is absorbed by the recess 58 and the garnish 24 is prevented from warping outward. Can be suppressed. Further, in order to reduce wind noise, improve the appearance of the vehicle, and suppress warpage, it is possible to increase the plate thickness of the garnish 24 to eliminate the need for high rigidity and to contribute to weight reduction. There are advantages such as being able to.

Furthermore, in this embodiment, the garnish 24 has a blade cross-sectional shape along the vehicle front-rear direction. The outer surface of the rear end of the vehicle in the cross section of the garnish 24 has a recess 40 that is recessed inward toward the rear of the vehicle.

Thus, in the present embodiment, by providing the recess 40 that is recessed inward toward the vehicle rear side at the vehicle rear side of the garnish 24, it is possible to suppress the negative pressure generated at the vehicle rear side of the garnish 24 ( 18(a)). If the recess 40 is not provided as in the comparative example shown in FIG. 18B, a step is formed between the vehicle rear end of the garnish and the door window glass 21, and the step causes a negative pressure. On the other hand, in this embodiment shown in FIG. 18A, the step can be reduced by providing the recess 40, and the generation of negative pressure can be suppressed. As a result, in the present embodiment, it is possible to prevent rainwater from adhering to the door window glass 21 and maintain a good visibility outside the vehicle.

10 vehicle 12 side door 16 vehicle body side panel (vehicle body)
18 Door Panel 20 Door Frame 22 Door Corner 24 Garnish (Exterior Parts)
26 seal member 28 recess 30 and 30a clip 40 recess (fourth recess)
42 pressing portion 44 garnish protrusion 46 concave portion (second concave portion)
48 Second Seal Part 50 Flat Part 52 Lip Part 52c Enclosing Part 54 Mold 56 Projection Part 58 Recessed Part (Third Recessed Part)
60 Flexible Deformable Parts 62a, 62b Overhanging Part 64 Vertex 66 Space Part

Claims (12)

An exterior component mounted on the door corner portion, and a seal member arranged between the door corner portion and the exterior component, wherein the seal member is a flat portion including a flat surface that covers the door corner portion. A vehicle body side structure having a lip portion that projects from the flat portion and seals the door corner portion,
The exterior component has a pressing portion that protrudes toward the seal member side and presses the seal member toward the door corner portion side,
The seal member has, on the side opposite to the lip portion, of the flat portion, a flexible deformable portion having a recessed shape that receives the pressing portion,
At least a part of the flexibly deformable portion is arranged at a position overlapping the lip portion in the vehicle front-rear direction, the vehicle body side portion structure. The vehicle body side structure according to claim 1,
The vehicle body side portion structure, wherein the thickness of the flexibly deformable portion is thinner than the thickness of the flat portion. In the vehicle body side portion structure according to claim 1 or 2,
A recess is provided outside the vehicle at the door corner,
A garnish, which is the exterior component and has a substantially triangular shape in a side view, is attached to the recess.
The seal member overlaps with the garnish in the vehicle width direction,
At least two sides of the three sides of the garnish, the seal member is projected outward from the garnish,
The vehicle body side portion structure, wherein two sides of the protruding sealing member are positioned on both sides of the vertex of the triangle with the front of the vehicle as a triangle. The vehicle body side structure according to claim 3,
The door corner portion is arranged on the door panel side,
The garnish has a garnish protrusion that protrudes forward of the vehicle from the door corner portion,
The vehicle body side is provided with a second recess for accommodating the garnish protrusion,
The vehicle body side structure, wherein a second seal portion extending from the seal member is provided between the garnish protrusion and the second recess. The vehicle body side structure according to claim 4,
The second seal portion projects outward from the garnish,
The vehicle body side portion structure, wherein the overhang length of the second seal portion is longer than the overhang length of the other portion. The vehicle body side structure according to claim 4,
The vehicle body side structure, wherein the thickness of the second seal portion is larger than the thickness of the flat portion. The vehicle body side structure according to any one of claims 3 to 6,
A plurality of clips connecting the garnish to the door corner at a plurality of locations;
The vehicle body side structure, wherein a surrounding portion that surrounds the clip is provided at the lip portion that seals a clip located in front of the vehicle among the plurality of clips. The vehicle body side structure according to claim 7,
The vehicle body side structure, wherein a protruding length of the surrounding portion surrounding the clip is longer than other lip portions. The vehicle body side structure according to claim 7,
The vehicle body side portion structure, wherein the surrounding portion surrounding the clip has a circular shape in a side view. The vehicle body side structure according to any one of claims 1 to 9,
Further equipped with a mall,
A part of the molding is interposed between the sealing member and the door corner portion,
The front of the vehicle front end of the mall has a space,
The vehicle body side structure, wherein the sealing member has a protrusion that presses and seals the molding. The vehicle body side structure according to claim 10,
The vehicle body side portion structure, wherein the seal member has a third recessed portion that is recessed toward the molding side on a surface opposite to the protruding portion. The vehicle body side structure according to claim 3,
The garnish has a wing cross-sectional shape with a cross-sectional shape along the vehicle front-rear direction,
The vehicle body side portion structure, wherein an outer surface of a vehicle rear end portion in a cross section of the garnish has a fourth recessed portion that is recessed inward toward the vehicle rear side.

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