JP4534202B2 - Side sill scuff structure - Google Patents

Description

  The present invention relates to a side sill scuff structure capable of improving rigidity.

  A side sill portion formed in a closed cross section by a side sill outer panel and a side sill inner panel is provided at a lower edge portion of a door opening where a vehicle door panel is provided. Above this side sill portion, a side sill scuff is provided to cover the joint between the side sill outer panel and the side sill inner panel and to maintain an aesthetic appearance. Normally, the side end of the side sill scuff is in contact with the carpet laid on the floor panel and supported by the floor of the vehicle body via the carpet.

  FIG. 5 shows a conventional side sill scuff structure. The side sill portion 100 includes a side sill outer panel 101 and a side sill inner panel 102, which are joined to each other via flange portions 101a, 102a, and 101b, 102b, and closed. A cross section is formed. The side surface of the side sill inner panel 102 is joined to the end surface of the floor panel 103 to form a vehicle interior floor.

In the side sill portion 100, the upper flange portions 101a and 102a joined to each other as described above protrude into a boarding / alighting space when the side door is opened and closed to get on and off. Therefore, a side sill scuff 104 that covers the upper surface side of the side sill portion 100 is provided so as not to cause the lowering of boarding ability and aesthetic appearance due to the joint portion of the upper flange portions 101a and 102a. The side sill scuff 104 is provided in order to improve the boarding / exiting performance when the side door is opened / closed and gets on / off, and has been conventionally formed of a thin plate made of a synthetic resin material. The side sill scuff 104 is fixed to the floor panel 103 with the outdoor side fixed to the side sill portion 100 via a clip 105 and the indoor side is buried under the carpet 106 (see Patent Document 1). .

On the other hand, as shown in FIG. 6, a clip mounting seat 201 is integrally formed on the back surface of the side sill scuff 200, a clip 202 is attached to the clip mounting seat 201, and the clip 202 is attached to the upper flange of the side sill portion 100. There is also known one that engages and fixes the joint portions 101a and 102a. In the side sill scuff 200, a rib 200a is integrally formed on the back surface, and the ribs 200a are in contact with the upper surface of the side sill portion 100 to prevent the side sill scuff 200 from being deformed. The side sill scuff 200 is configured to hold the carpet 106 with a protruding portion extending to the indoor side (see Patent Document 2).
No. 8-8913 Japanese Utility Model Publication No. 2-139149 JP-A-9-112513

However, according to the technique of Patent Document 1, the distance to the floor panel 103 is long on the vehicle interior side of the side sill scuff 104, so that the rigidity is insufficient. In particular, when the space between the carpet 106 and the floor panel 103 is vacant, the load applied to the side sill scuff 104 cannot be supported by the carpet 106.
Further, in the technique of Patent Document 2, since the clip 202 is fastened to the flange portion 101a, 102a joint on the upper side of the side sill portion 100, the attachment position of the side sill scuff 200 is increased and the height of the rib 200a is increased. , The rigidity becomes insufficient. For this reason, when the thickness of the rib 200a is increased, there is a problem that so-called sink marks are generated on the surface side.

An object of the present invention is to provide a side sill scuff structure capable of solving the above-described problems and improving rigidity.

In order to solve the above-described problems, the present invention is a side sill scuff structure that covers the upper side of a side sill portion provided at the lower edge of a door opening of a vehicle, and projects to the vehicle interior side of the side sill scuff body from the side sill scuff body. A projecting portion is provided, and a post that extends downward from the rear surface of the projecting portion to abut against a vehicle floor panel is formed. A clip mounting seat that supports a clip that is fastened to the side sill portion and the post is connected to the vehicle width of the side sill scuff body. The clip mounting seat and the support column are connected in parallel .
Further, the present invention provides a clip mounting seat for supporting a clip to be fastened to the side sill portion and the support column in parallel in the vehicle width direction of the side sill scuff body, the clip mounting seat, a mounting surface for mounting the clip, and this mounting It is composed of a vertical wall that supports a surface, and the column is composed of a contact surface that contacts the floor panel, and a vertical wall that supports the contact surface, and the width direction of the vertical wall of the clip mounting seat, The width direction of the vertical wall of the column is set in the same direction.
Furthermore, the end of the carpet disposed on the floor panel is fixed by the support column.

As an effect of the present invention, it is possible to support the load applied to the protruding portion of the side sill scuff provided with the protruding portion protruding to the vehicle interior side from the side sill portion by design, and the rigidity can be improved. The side sill scuffs extend downward from the rear surface of the protruding part to form a support that contacts the vehicle floor panel, so that the load applied to the protruding part can be supported by a rigid floor panel and the side sill scuff is improved in rigidity. Can be planned. Therefore, the present invention is particularly effective for a vehicle using a floor raising material, that is, a vehicle in which the height of the carpet is changed with respect to the floor panel of the vehicle body.
Further, since the clip mounting seat and the support column are connected, the rigidity of the clip mounting seat and the support column can be improved.
Furthermore, since the width direction of the vertical wall of the clip mounting seat and the width direction of the vertical wall of the support column are set to the same direction, the clip mounting seat and the support column can be molded with the same slide mold, so the mold configuration is simple At the same time, the direction of removing the mold can be set in the same direction as the clip mounting seat and the column.
Furthermore, since the end portion of the carpet disposed on the floor panel is fixed by the support column, the carpet can be prevented from being displaced.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments shown in the drawings will be described in detail with reference to the drawings.
1 is a perspective view showing a side sill portion of an automobile, FIG. 2 is a cross-sectional view taken along line AA of FIG. 1, FIG. 3 is a perspective view of a side sill scuff viewed from below, and FIG. 4 is an enlarged view of portion B of FIG. It is.

  In FIGS. 1 and 2, reference numeral 1 denotes a door opening portion that is shown by removing a side door of a vehicle body 2 of an automobile. The side sill portion 3 is formed of a side sill outer panel 4 and a side sill inner panel 5 in a closed cross-sectional structure having a substantially rectangular cross section, and a side edge portion of the floor panel 6 is joined to the upper surface side of the side sill inner panel 5. The upper side flange portions 4a and 5a of the side sill outer panel 4 and the side sill inner panel 5 are spot-welded to each other, and a side sill scuff 7 is provided above the flange portions 4a and 5a along the lower edge portion of the door opening 1. It is arrange | positioned in the front-back direction of the vehicle body.

As shown in FIG. 3, the side sill scuff 7 is a belt-like cover member elongated in the longitudinal direction of the vehicle body and having a substantially circular cross section. The side sill scuff 7 is formed by resin molding, and a plurality of clip mounting seats 71 are integrally formed at predetermined intervals along the longitudinal direction on the back surface side of the side sill scuff body 7a. As shown in FIG. 4, the clip mounting seat 71 is configured in a substantially U shape in a horizontal cross section by a clip mounting surface 72 for mounting the clip 8 and three vertical walls 73 for supporting the clip mounting surface 72. . The clip mounting surface 72 is formed along the mounting surface of the side sill inner panel 5, and is formed so that the axial direction of the clip 8 is orthogonal to the mounting surface of the side sill inner panel 5. The clip mounting surface 72 is formed with an engaging groove 72a for engaging the clip 8, and the clip 8 is mounted by engaging the constricted portion 8a with the engaging groove 72a (see FIG. 2). . The clip mounting seat 71 is formed by using a slide mold, and the three vertical walls 73 of the clip mounting seat 71 are formed with an opening side in consideration of the sliding direction of the slide mold. It is comprised by a pair of wall part 73a, 73a which opposes a direction, and one wall part 73b which faced the vehicle body front-back direction.

As shown in FIG. 2, the side sill scuff 7 is provided with a protruding portion 7b protruding in the vehicle interior side of the side sill portion 3 in the vehicle width direction of the side sill scuff body 7a, and on the back side of the protruding portion 7b. The box-shaped support | pillar 74 which protruded toward the downward direction at predetermined intervals along the front-back direction of a vehicle body is suspended. The support column 74 is arranged side by side with the clip mounting seat 71 in the vehicle width direction, and includes a contact surface 75 that contacts the floor panel 6 and three vertical walls 76 that support the contact surface 75. It is configured in a substantially U shape in a horizontal section. The three vertical walls 76 of the support column 74 are formed with the opening side in consideration of the sliding direction of the slide mold, and a pair of wall portions 76a, 76a facing the vehicle width direction and a vehicle body front-rear direction 1 It is comprised by the one wall part 76b. One wall portion 73b of the clip mounting seat 71 and one wall portion 76b of the support column 74 connect the wall portion 73b and the vertical wall 77 connecting the wall portions 76b and the wall portions 73a and 76a to each other. The connecting piece 78 curved in a curve is integrally formed so as to be continuous in the vehicle width direction. The wall portion 73b, the wall portion 76b, and the vertical wall 77 can be integrally formed with a single plate.
As a result, the clip mounting seat 71 and the column 74 can be integrally formed using a common slide mold. In the above embodiment, the clip mounting surface 72 of the clip mounting seat 71 has two engaging grooves 72a for engaging the clip 8, but the clip mounting seat 71 has the engaging grooves 72a. It may be formed.

  The clip 8 assembled to the clip mounting seat 71 of the side sill scuff 7 is assembled to the side sill portion 3 by engaging with the engagement hole 9 formed in the side sill inner panel 5, and the column 74 of the side sill scuff 7. Is in contact with the floor panel 6 through a hole 10 a formed in a side edge portion of the carpet 10 disposed on the floor panel 6. The side edge portion of the protruding portion 7b of the side sill scuff 7 is assembled in contact with the upper surface of the carpet 10. The carpet 10 is disposed above the floor panel 6 by a raising material (not shown). Also, a pair of wall portions 73a and 73a of the clip mounting seat 71, a pair of wall portions 76a and 76a of the support column 74, a wall portion 76b of the clip mounting seat 71, and a wall portion 76b of the support column 74, The vertical wall 77 is coupled to the back surface of the side sill scuff 7 through a thin portion.

  According to the above configuration, the side sill scuff 7 is assembled to the side sill portion 3 by engaging the clip 8 assembled to the clip mounting seat 71 with the engagement hole 9 formed in the side sill inner panel 5. The pillars 74 of the side sill scuff 7 pass through the holes 10a formed in the side edges of the carpet 10 and come into contact with the floor panel 6, so that the carpet 10 can be held and the rigidity of the upper surface of the side sill scuff 7 can be maintained. it can. Therefore, the surface rigidity when the upper surface of the side sill scuff 7 is stepped on can be maintained. Since the support column 74 is arranged side by side with the clip mounting seat 71 in the vehicle width direction, it can be formed using a common slide mold, and the mold cost can be reduced. Since it can be molded using a slide mold, it can also be applied to deep floors. Thus, since the side sill scuff 7 can be supported by the support column 74, when the side sill scuff 7 is protruded from the side sill unit 3 by design in a vehicle having different heights of the side sill unit 3 and the floor panel 6, the support column 74. Thus, the load applied to the protruding portion 7b of the side sill scuff 7 can be supported, and the rigidity is improved. Since the clip mounting seat 71 and the support column 74 are connected by the vertical wall 77 and the arc-shaped connecting piece 78, the rigidity of the clip mounting seat 71 and the support column 74 can be improved, and the material flow during molding is improved. , Formability is improved. In the present invention, the carpet 10 is disposed above the floor panel 6 of the vehicle body using a raising material at an interval, and the side sill scuff 7 is disposed above the carpet 10 so as to cover the end of the carpet 10. However, since the side sill scuff 7 is formed with a column 74 that extends downward from the rear surface of the protruding portion 7b and contacts the vehicle floor panel 6, the load applied to the protruding portion 7 can be supported by the rigid floor panel 6. Become. Therefore, it is particularly effective for a vehicle using a floor raising material, that is, a vehicle in which the height of the carpet 10 is changed with respect to the floor panel 6 of the vehicle body.

  The present invention is not limited to the above embodiment. For example, in the above embodiment, the column 74 is provided at the same position as the clip mounting seat 71 on the back surface of the side sill scuff 7. By increasing the number of 71, the number of pillars 74 can be increased. In addition, it goes without saying that the present invention can be appropriately modified and implemented without departing from the scope of the present invention.

It is a perspective view which shows the side sill scuff structure by embodiment of this invention. It is the sectional view on the AA line of FIG. It is the perspective view which looked at the side sill scuff of FIG. 1 from the downward direction. It is the B section enlarged view of FIG. It is sectional drawing which shows the conventional side sill scuff structure. It is sectional drawing which shows the conventional side sill scuff structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door opening part 2 Car body 3 Side sill part 4 Side sill outer panel 5 Side sill inner panel 6 Floor panel 7 Side sill scuff 8 Clip 71 Clip mounting seat 72 Clip mounting surface 73,76,77 Vertical wall 74 Support | pillar 75 Contact surface 78 Connecting piece 7a Side sill Scuff body 7b Protruding portion 72a Engaging groove 73a, 73b, 76a, 76b Wall portion

Claims (3)

The side sill scuff structure covers the upper side of the side sill part provided at the lower edge of the door opening of the vehicle, and the side sill scuff body is provided with a protruding part that protrudes further toward the vehicle interior side than the side sill part. A column that extends downward and contacts the vehicle floor panel is formed.
A side sill scuff structure in which a clip mounting seat for supporting a clip to be fastened to the side sill portion and the column are juxtaposed in the vehicle width direction of the side sill scuff body, and the clip mounting seat and the column are connected . The clip mounting seat for supporting the clip to be fastened to the side sill portion and the support column are juxtaposed in the vehicle width direction of the side sill scuff body, and the clip mounting seat has a mounting surface for mounting the clip and a vertical wall for supporting the mounting surface. The strut is composed of a contact surface that contacts the floor panel and a vertical wall that supports the contact surface, the width direction of the vertical wall of the clip mounting seat, and the vertical wall of the support column. The side sill scuff structure according to claim 1, wherein the width direction is set in the same direction. The side sill scuff structure according to claim 1, wherein an end portion of the carpet disposed on the floor panel is fixed by the support column.

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