JP6825019B2 - Body side structure - Google Patents

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 of 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 in the 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 said that it can be done.

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 bending portion due to a dimensional error of the product, an assembly error at the time of assembly, or the like.

In this case, in the seal structure disclosed in Patent Document 1, if the pressing position (contact position) between the pressing portion of the garnish and the seal lip portion of the sealing member deviates, the adjacent bending portion does not function and the sealing member Sealing performance may deteriorate.

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

In order to achieve the above object, the present invention includes an exterior component mounted on the door corner portion and a seal member arranged between the door corner portion and the exterior component, and the seal member is provided with the seal member. In a vehicle body side structure having a flat portion formed of a flat surface covering the door corner portion and a lip portion protruding from the flat portion to seal the door corner portion, the exterior component projects toward the sealing member side. The seal member has a pressing portion that presses the seal member toward the door corner portion, and the sealing member is flexible and deformable so as to have a recessed shape that receives the pressing portion on the opposite side of the lip portion of the flat portion. It is characterized in that it has a portion, and at least a part of the flexible and deformable portion is arranged at a position where it overlaps with the lip portion in the vehicle front-rear direction.

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

It is a partial perspective view which shows the right side part of the vehicle to which the body side part structure which concerns on embodiment of this invention is applied. It is an exploded perspective view of a seal member and a garnish attached to a door corner part. It is a side view which shows the state which the seal member and the garnish are attached to the door corner part. It is a cross-sectional view along the IV-IV line of FIG. It is a side view which shows the lip part provided in the seal member. It is a vertical cross-sectional view along the VI-VI line of FIG. It is an enlarged sectional view of the part A shown in FIG. FIG. 7 is an enlarged cross-sectional view showing a state in which a seal member and a garnish are assembled to a door corner portion corresponding to FIG. 7. It is a side view which shows the overhang length of a seal member with respect to a garnish. 9 is a vertical cross-sectional view taken along the line XX of FIG. It is a side view which shows the state which the seal member and the garnish are assembled with respect to the door corner part. It is a cross-sectional view along the XII-XII line of FIG. It is a partially enlarged 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 the circular surrounding part in the lip part. It is a side view which shows the state which the seal member and the garnish are assembled with respect to the door corner part. 16 is a cross-sectional view taken along the line XVII-XVII of FIG. (A) is a schematic cross-sectional view showing a concave portion of the garnish in the present embodiment, and (b) is a schematic cross-sectional view of the garnish in a comparative example devised by the applicant.

Next, an embodiment 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 and rear direction, "left and right" indicates the vehicle width direction (left and right direction), and "up and down" indicates the vehicle vertical direction (vertical vertical direction).

As shown in FIG. 1, the vehicle 10 to which the vehicle body side structure according to the present embodiment is applied has a side door 12 that opens and closes a door opening formed on the vehicle body side portion, and a front pillar 14 (A pillar). And a vehicle body side panel (vehicle body) 16 are provided. In FIG. 1, the illustration of the left side portion of the vehicle, which shows only the right side portion of the vehicle, is omitted. The front pillar 14 is continuous with a roof portion (not shown) and extends (inclined) so as to fall from the roof portion 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 front side of the vehicle.

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 on the outside of the vehicle and an inner panel arranged on the inside of the vehicle. The door frame 20 is integrally provided on the upper part of the door panel 18 and constitutes an outer frame. The door frame 20 is adapted to hold a part of the outer peripheral edge portion of the door window glass 21 (see FIGS. 1 and 2) that is vertically supported inside the door panel 18.

On the vehicle front side of the door frame 20, a door corner portion 22 located above the vehicle front side of the door panel 18 is provided. The door corner portion 22 has a substantially parallel four-sided shape when viewed from the outside of the vehicle. The door corner portion 22 is provided with a garnish (exterior part) 24 mounted on the outside of the door corner portion 22 and a seal member 26 interposed between the door corner portion 22 and the garnish 24. ..

In the present embodiment, the door corner portion 22 is arranged on the side door 12 side, but 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 on the vehicle body side.

The upper portion of the door corner portion 22 is continuous with the vehicle tip portion of the front pillar 14 that is inclined so as to stand down 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 front side of the vehicle.

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, a plurality of (three in the present embodiment) locking holes 32 for locking the clips 30 (see FIG. 10) are arranged in the door corner portion 22. 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, in each clip 30, the insertion portion 34 and the head 36 are integrally formed. The insertion portion 34 is provided so as to 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 36 is held by a holding portion 38 provided inside the vehicle of the garnish 24.

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

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

The vehicle body side panel 16 close to the door corner portion 22 is provided with a recess (second recess) 46 corresponding to the shape of the garnish protrusion 44 and accommodating 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 overhang length (L1) of the second seal portion 48 is longer than the overhang length (L2) at the other portion (L1> L2). In FIG. 9, the overhang length (L2) of the overhanging portion 62a overhanging upward and the overhanging length (L2) of the overhanging portion 62b overhanging downward may be different lengths.

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

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

As shown in FIG. 5, when viewed from the side, the lip portion 52 has a hypotenuse portion 52a, a front vertical side portion 52b, a surrounding portion 52c, a lower side portion 52d, a bent side portion 52e, and a rear vertical side portion. It is composed of 52f. The hypotenuse portion 52a is inclined so as to fall from the rear of the vehicle toward the front of the vehicle. 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 intermediate 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 toward the rear of the vehicle. The bent side portion 52e extends upward from the rear end of the lower side portion 52d of the vehicle and then bends toward the rear of the vehicle. 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, further, the sealing member 26 has a flexible deformable portion 60 having a recessed shape that receives the pressing portion 42 of the garnish 24 on the opposite side of the lip portion 52 of the flat portion 50. At least a part of the flexible deformable portion 60 is arranged at a position where it overlaps with the lip portion 52 in the vehicle front-rear direction. The wall thickness (D1) of the flexible and deformable portion 60 is thinner than the wall 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 thicker 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 62a and 62b protruding outward from the garnish 24 on at least two of the three sides of the garnish 24. The two sides (overhanging portions 62a and 62b) of the seal member 26 overhanging to the outside are located on both sides of the apex 64 with the front of the vehicle as the apex 64 of the triangle.

Of the plurality of clips 30 for attaching the garnish 24 to the recess 28 of the door corner portion 22, the lip portion 52 that seals the clip 30a located at the front of the vehicle is provided with a 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 protruding length (L3) of the surrounding portion 52c surrounding the clip 30a is the other lip portion 52 (hypotenuse portion 52a, front vertical side portion). It is longer than the protruding length (L4) of 52b, the lower side portion 52d, the bent side portion 52e, and the rear vertical side portion 52f) (L3> L4).

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

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

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

In the present embodiment, at the time of assembly, the pressing portion 42 of the garnish 24 is positioned in the recessed portion, and the pressing portion 42 bends and the deformable portion 60 is placed on the lip portion 52 side (door corner portion 22 side). When pressed toward, the flexurally deformable portion 60 is flexed and deformed in an arc shape in cross section (see FIG. 8). Therefore, in the present embodiment, it is possible to prevent the pressing portion 42 from being disengaged from the flexible and deformable portion 60 and assembled. As a result, in the present embodiment, it is possible to avoid deterioration of the sealing performance even when a dimensional error, an assembly error, or the like occurs, for example. In addition, in the present embodiment, since it is not necessary to improve the dimensional accuracy, it is possible to promote the reduction of the manufacturing cost.

Further, in the present embodiment, since the flexurally deformable portion 60 can be easily flexed and deformed, a reaction force is less likely to be generated on the garnish 24 side, and the occurrence of warpage in the garnish 24 can be suppressed.

Further, in the present embodiment, since at least a part of the flexure deformable portion 60 is arranged at a position where it overlaps with the lip portion 52 in the vehicle front-rear direction, the flexure deformable portion 60 is flexed and deformed by the pressing portion 42. The tip of the lip portion 52 in contact with the door corner portion 22 can be bent and sealed (see FIG. 8). Thereby, in the present embodiment, the area of the sealing surface 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 wall thickness (D1) of the flexible and deformable portion 60 is configured to be thinner than the wall thickness (D2) of the flat portion 50 (D1 <D2) (see FIG. 7). Thereby, in the present embodiment, the flexible and deformable portion 60 having a recessed shape can be easily manufactured 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 outside of the vehicle at the door corner portion 22, and a garnish 24, which is an exterior component and has a substantially triangular shape when viewed from the side, is attached to the recess 28. The seal member 26 is arranged at a position where it overlaps with the garnish 24 in the vehicle width direction. On at least two of the three sides of the garnish 24, the seal member 26 has overhanging portions 62a and 62b that project outward from the garnish 24. The two sides (overhanging portions 62a and 62b) of the overhanging seal member 26 are located on both sides of the apex 64 with the front of the vehicle as the apex 64 of the triangle.

In the present embodiment, the lip portion 52 of the seal member 26 can ensure the desired sealing performance between the door corner portion 22 and the garnish 24, and the overhanging portions 62a and 62b projecting outward from the garnish 24. Is brought into close contact (sandwiched) by the door frame 20 and the garnish 24 (see FIG. 4), so that it has a double seal structure, and the seal performance can be further improved. In particular, when the front of the triangular vehicle is set to the apex 64, the two sides (upper side and lower side) on both sides thereof are the two sides (overhanging portions 62a and 62b) of the overhanging seal member 26. 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 toward the seal member 26 (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 protruding portion 44 that protrudes in front of the vehicle from the door corner portion 22. A recess 46 for accommodating the garnish protruding portion 44 is provided on the vehicle body side panel 16 side (side fender side). 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.

Thereby, in the present embodiment, even when the garnish protrusion 44 is required for the appearance design of the vehicle, the desired sealing performance can be ensured. In other words, in the present embodiment, even when the garnish protruding portion 44 projecting from the door corner portion 22 to the front of the vehicle 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 or the like from entering.

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

As a result, in the present embodiment, the door corner portion 22 and the vehicle body side panel are formed by increasing the outward protrusion length (L1) of the second seal portion 48 as compared with other portions in the seal member 26. Even when the step between the 16 (side fender) and 16 (side fender) is large, the desired sealing performance can be ensured.

Furthermore, in the present embodiment, in the seal member 26, the wall thickness (D3) of the second seal portion 48 is thicker than the wall thickness (D2) of the flat portion 50 (D2 <D3) (see FIG. 13). ). As a result, in the present embodiment, the recess 46 of the vehicle body side panel 16 for accommodating the garnish protrusion 44 is formed thickly, so that the garnish 24 is formed even when the side door 12 swings due to vibration or the like, for example. It is possible to secure the sealing property between the vehicle body and the vehicle body side panel 16. As a result, it is possible to prevent rainwater from entering the door corner portion 22 from the side fender side of the vehicle body side panel 16. Further, even if a step is generated between the door corner portion 22 and the side fender, the desired sealing performance can be ensured.

Furthermore, the present embodiment has a plurality of clips 30 for connecting the garnish 24 to the door corner portion 22 at a plurality of locations. Of the plurality of clips 30, the lip portion 52 that seals the clip 30a located at the front of the vehicle is provided with a surrounding portion 52c that surrounds the clip 30a.

As a result, in the present embodiment, the clip 30a located in front of the vehicle, which is most affected by the running wind, has improved sealing performance as compared with the other clips 30, so that the garnish 24 may flutter due to the running wind. Even if there is, it is possible to suppress the ingress of rainwater.

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 FIG. 14). As a result, in the present embodiment, the clip 30a surrounded by the surrounding portion 52c has improved sealing performance as compared with the other clips 30, so that even when the garnish 24 flutters due to high-speed running, strong wind, or the like. , The desired sealing performance can be ensured.

Furthermore, in the present 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 the present 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 portion 66 is provided in front of the vehicle front end portion of the molding 54. The seal member 26 has a protrusion 56 that presses and seals the molding 54.

Thereby, in the present embodiment, the desired sealing performance can be ensured at the joint portion between the molding 54 and the garnish 24. Further, when the molding 54 is thermally expanded in the front-rear direction of the vehicle, the length of the heat expansion can be absorbed by the space 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 side on the surface opposite to the protrusion 56. As a result, in the present embodiment, since the recess 58 is provided on the surface opposite to the protrusion 56, the bending allowance of the seal member 26 is absorbed by the recess 58 and the garnish 24 warps outward. It can be suppressed. In addition, in order to reduce wind noise, improve the appearance of the vehicle, and suppress warpage, the garnish 24 can be made thicker to eliminate the need for higher rigidity and contribute to weight reduction. There are advantages such as being able to do it.

Furthermore, in the present embodiment, the garnish 24 has a wing cross-sectional shape having a 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.

Thereby, in the present embodiment, the negative pressure generated at the rear of the garnish 24 can be suppressed by providing the recess 40 which is recessed inward toward the rear of the vehicle at the position behind the vehicle of the garnish 24 (). See FIG. 18 (a)). When the recess 40 is not provided as in the comparative example shown in FIG. 18B, a step is formed between the rear end of the garnish vehicle and the door window glass 21, and a negative pressure is generated by this step. On the other hand, in the present 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 suppress the rainwater from adhering to the door window glass 21 and maintain a good view outside the vehicle.

10 Vehicle 12 Side door 16 Body side panel (body)
18 Door panel 20 Door frame 22 Door corner 24 Garnish (exterior parts)
26 Seal member 28 Recesses 30, 30a Clip 40 Recesses (4th recess)
42 Pressing part 44 Garnish protruding part 46 Recessed part (second concave part)
48 2nd seal part 50 Flat part 52 Lip part 52c Surrounding part 54 Mall 56 Protrusion part 58 Recess (3rd recess)
60 Deformable part 62a, 62b Overhang 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 are provided, and the seal member is a flat portion formed of a flat surface covering the door corner portion. In the vehicle body side structure having a lip portion protruding from the flat portion and sealing 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.
The seal member has a flexible and deformable portion having a recessed shape that receives the pressing portion on the opposite side of the lip portion of the flat portion.
A vehicle body side structure characterized in that at least a part of the flexible and deformable portion is arranged at a position where it overlaps with the bottom portion of the lip portion in the vehicle front-rear direction. In the vehicle body side structure according to claim 1,
The vehicle body side structure is characterized in that the wall thickness of the flexible and deformable portion is thinner than the wall thickness of the flat portion. In the vehicle body side structure according to claim 1 or 2.
A recess is provided on the outside of the vehicle at the door corner.
A garnish, which is an exterior component and has a substantially triangular shape when viewed from the side, is attached to the recess.
The seal member overlaps with the garnish in the vehicle width direction.
On at least two of the three sides of the garnish, the sealing member projects outward from the garnish.
The two sides of the overhanging seal member have a vehicle body side structure characterized in that the front of the vehicle is a triangular apex and is located on both sides of the apex. In 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 protruding portion that protrudes in front of the vehicle from the door corner portion.
A second recess for accommodating the garnish protrusion is provided on the vehicle body side.
A vehicle body side structure characterized in that a second seal portion extending from the seal member is provided between the garnish protruding portion and the second recess. In the vehicle body side structure according to claim 4,
The second seal portion projects outward from the garnish.
A vehicle body side structure characterized in that the overhang length of the second seal portion is longer than the overhang length of the seal member on the two sides . In the vehicle body side structure according to claim 4,
The vehicle body side structure is characterized in that the wall thickness of the second seal portion is thicker than the wall thickness of the flat portion. In the vehicle body side structure according to any one of claims 3 to 6,
A plurality of clips for connecting the garnish to the door corner portion at a plurality of locations are provided.
A vehicle body side structure characterized in that, among the plurality of clips, the lip portion that seals the clip located in front of the vehicle is provided with a surrounding portion that surrounds the clip. In the vehicle body side structure according to claim 7,
A vehicle body side structure characterized in that the protruding length of the surrounding portion surrounding the clip is longer than the protruding length of a portion of the lip portion other than the surrounding portion . In the vehicle body side structure according to claim 7,
The surrounding portion that surrounds the clip has a vehicle body side structure characterized in that it has a circular shape when viewed from the side. In the vehicle body side structure according to any one of claims 1 to 9.
With more malls
A part of the molding is interposed between the sealing member and the door corner portion.
A space portion is provided in front of the vehicle front end portion of the mall.
The vehicle body side structure is characterized in that the sealing member has a protrusion for pressing and sealing the molding. In the vehicle body side structure according to claim 10,
The vehicle body side structure is characterized in that the seal member has a third recess that is recessed toward the molding side on a surface opposite to the protrusion. In the vehicle body side structure according to claim 3,
The garnish has a wing cross-sectional shape in the cross-sectional shape along the vehicle front-rear direction.
A vehicle body side structure characterized in that the outer surface of the vehicle rear end portion in the cross section of the garnish has a fourth recess that is recessed inward toward the rear of the vehicle.

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