JP2003011738A - Positioning structure of side molding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a positioning structure of a side molding having an excellent design surface. SOLUTION: The side molding 1 includes a long molding body part 11 and a boss mounting part 10. The boss mounting part 10 comprises a plurality of standing pieces 16. A boss 2 includes a boss part 23 for inserting in an insertion hole 31 provided on a body panel 3, a pair of supporting pieces 28, and a pair of projecting pieces 27 having projecting parts 271. The boss 2 supports either one of the standing pieces 16 respectively by a pair of the projecting parts 271 and the pair of the supporting pieces 28. The side molding 11 is positioned with respect to the body panel 3 by inserting the boss part 23 of the boss 2 in the insertion hole 31 provided on the body panel 3.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a side molding positioning structure attached to a side door or the like of an automobile.

[0002]

2. Description of the Related Art Conventionally, side moldings for protecting doors have been used for automobile side doors and the like because they are highly decorative. This side molding has various positioning structures. For example, as shown in FIG. 10, the side molding 9
There is a structure in which a boss 93 is provided on the back side surface 911 of No. 1 and the side molding 91 is positioned on the body panel 92 by this boss 93.

[0003]

However, in the above positioning structure, a part 931 of the boss 93 forms a surface intersecting with the longitudinal direction X of the side molding 91. Therefore, when molding the boss 93, it is necessary to cross the resin flowing in the longitudinal direction X of the side molding 91 to flow the resin, and the sink mark 91 is formed on the surface of the side molding 91.
3 may be generated. Further, as shown in FIG. 11, the shape of the part 931 of the boss 93 is changed to the through hole 93.
Even with the shape provided with 2, the sink marks 913 may still occur.

The present invention has been made in view of the above conventional problems, and an object thereof is to provide a side molding positioning structure having an excellent design surface.

[0005]

A first aspect of the present invention is a side having a long molding body and a boss mounting portion formed of a plurality of standing pieces formed along the longitudinal direction on the back side surface of the molding body. A side molding molding structure for positioning a molding with respect to a body panel by a boss attached to a part of the boss mounting portion, wherein the boss has a boss portion to be inserted into an insertion hole provided in the body panel. A pair of sandwiching pieces, each of which has a portion, and which is erected from the surface of the substrate portion opposite to the surface on which the boss portion is provided; and the sandwiching piece, which is erected substantially parallel to the sandwiching piece. And a pair of protrusions provided with protrusions protruding in a direction opposite to each other. The boss is attached to the side with the one of the uprights being held by the protrusion and the holding piece. Attach to the mall In both of them, the side molding is positioned with respect to the body panel by inserting the boss portion of the boss into an insertion hole provided in the body panel. Item 1).

In the side molding positioning structure of the present invention, the side molding is positioned on the body panel by a boss that is separate from the side molding. Further, in the present invention, the boss is provided with a pair of projecting pieces having the projecting portions, and the standing pieces of the side moldings are not provided with uneven shapes such as projections or grooves.

Therefore, in the molding die for molding the side molding, a so-called undercut portion is not formed, and it is not necessary to provide a slide core or the like that slides on the back side surface of the side molding as in the conventional case. Further, the standing piece is erected from the back side surface of the molding body along the longitudinal direction, and it is necessary to flow the resin so as to intersect the resin flowing in the longitudinal direction when molding the side molding. Absent.

Therefore, when molding the side molding,
Almost no sink marks are generated on the design surface of the side molding. Therefore, the side molding in the present invention has an excellent design surface.

According to a second aspect of the present invention, there is provided a side molding having a long molding body and a boss mounting portion composed of a plurality of welding ribs formed along a longitudinal direction on a back side surface of the molding body. A positioning structure of a side molding for positioning with respect to a body panel by a boss attached to a part of a boss mounting portion, wherein the boss is provided on the body panel having a rib hole into which the welding rib is inserted and the body panel. The boss and the side molding are inserted into the insertion hole, and the boss and the side molding are formed by inserting the welding rib into the rib hole and melting and deforming the tip of the welding rib. The prevention portion is integrated by being hooked around the rib hole, and by inserting the boss portion of the boss into the insertion hole provided in the body panel, the support portion is formed. In positioning structure side molding, characterized in that performing positioning with respect to the body panels Domoru (claim 4).

Also in the side molding positioning structure of the present invention, the side molding is positioned on the body panel by a boss that is separate from the side molding. Further, in the present invention, the boss and the side molding are integrated by inserting the welding rib into a rib hole provided in the boss and hooking the slip-out preventing portion around the rib hole. Has been converted. Therefore, in the side molding, before the integration is performed, the welding rib does not have an uneven shape change such as a protrusion or a groove. The standing piece is erected from the back side surface of the molding body along the longitudinal direction.

Therefore, similar to the first aspect of the present invention, when the side molding is molded, almost no sink marks are generated on the design surface of the side molding, and the side molding of the present invention has an excellent design surface. ing.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION In the above first and second inventions,
The above-described side molding positioning structure can be used together with a clip mounting structure for mounting the side molding to the body panel using a clip. In this case, a clip can be provided at a desired position on the side molding and a boss can be mounted at a desired position to mount and position the side molding with respect to the body panel.

In the first aspect of the present invention, it is preferable that the boss and the side molding are fixed by a disengagement prevention means that prevents the boss from coming off the side molding (claim 2). In this case, it is possible to prevent the boss from coming off the side molding by the disengagement prevention means, and to reliably position the side molding.

A double-sided tape for adhering the boss and the side molding can be used as the detachment preventing means. The double-sided tape is disposed between the boss and the side molding and the body panel, and one surface of the double-sided tape is attached to the substrate portion and the side molding of the boss and the other surface is attached. It can also be attached to the body panel. In this case, the double-sided tape can exhibit the effect of preventing the boss from coming off and the effect of attaching the side molding to the body panel.

Further, the upright piece has a cutout portion formed by cutting out a part thereof, and the boss has a structure in which the substrate portion is arranged in the cutout portion so that the side molding is formed. It is preferable that they are positioned with respect to the longitudinal direction (claim 3). In this case, the mounting position of the boss with respect to the longitudinal direction of the side molding can be easily determined. Therefore, the mounting position of the boss with respect to the side molding is stable, and it is possible to reliably prevent the side molding from being displaced in the front-rear direction of the vehicle after the side molding is mounted on the body panel.

[0016]

EXAMPLE 1 A side molding positioning structure according to an example of the present invention will be described with reference to FIGS. As shown in FIGS. 2A and 2B, the side molding 1 in this example includes a long molding body 11 and a plurality of moldings formed along the longitudinal direction X on the back side surface 101 of the molding body 11. Boss mounting part 1 consisting of standing piece 16 of
It has 0 and.

As shown in FIGS. 3 (a) and 3 (b), the boss 2 in this embodiment has an insertion hole 3 formed in the body panel 3.
It has a substrate portion 20 having a boss portion 23 to be inserted into 1. In addition, the boss 2 is a pair of sandwiching pieces 2 that are erected from the surface of the substrate portion 20 opposite to the surface on which the boss portion 23 is provided.
8 and a pair of projecting pieces 27 provided upright substantially in parallel with the sandwiching piece 28 and provided with projecting portions 271 projecting in a direction facing the sandwiching piece 28.

As shown in FIG. 1, the boss 2 is attached to a part of the boss attachment portion 10 of the side molding 1. The boss 2 includes the protrusion 271 and the holding piece 2
8 is attached to the side molding 1 in a state where any one of the standing pieces 16 is sandwiched between the side molding 1 and the side molding 1. And in the positioning structure of the side molding 1 of this example,
By inserting the boss portion 23 of the boss 2 into the insertion hole 31 provided in the body panel 3, the side molding 1
Is positioned with respect to the body panel 3.

This will be described in detail below. As shown in FIG. 1, the side molding 1 in this example is attached to a body panel 3 which is an outer panel of a side door of an automobile. In this example, the side molding 1
Has its longitudinal direction X oriented in the front-rear direction of the body panel 3 of the automobile, and has an orthogonal direction Y orthogonal to the longitudinal direction X oriented in the vertical direction of the body panel 3 of the automobile. . The boss 2 is positioned so that the side molding 1 does not move in the front-rear direction and the vertical direction with respect to the body panel 3.

As shown in FIGS. 2 (a) and 2 (b), the molding body 11 of the side molding 1 includes a base portion 111,
The base portion 111 is formed in a U-shape having a pair of bent portions 112 bent toward the back side surface 101 on both sides. In addition, in this example, the boss mounting portion 10 including the plurality of upright pieces 16 is formed over the entire length of the molding body 11 in the longitudinal direction X.

A plurality of the upright pieces 16 are arranged in a pair in the orthogonal direction Y orthogonal to the longitudinal direction X of the side molding 1. In this example, the standing piece 16 is
In the orthogonal direction Y, the side moldings 1
The inner standing piece 1 located on the innermost side in the direction Y orthogonal to the
61, an intermediate standing piece 162 located in the middle in the orthogonal direction Y of the side molding 1, and an outer standing piece 163 located at the outermost side in the orthogonal direction Y of the side molding 1.

Further, as shown in FIG. 2 (a), the standing piece 16 has a cutout portion 16 formed by cutting out a part thereof.
Have eight. In this example, the notch 168
Is formed by cutting out a part of the inner standing piece 161. Then, the boss 2 is positioned in the longitudinal direction X of the side molding 1 by disposing the substrate portion 20 in the cutout portion 168 (see FIG. 1). By forming the notch 168, the mounting position of the boss 2 with respect to the longitudinal direction X of the side molding 1 can be easily determined, and the mounting position of the boss 2 with respect to the side molding 1 can be stabilized.

2 (a), 2 (b), 3 (a),
As shown in (b), in this example, the boss 2 is
It has a mounting mark 205 for determining the mounting direction of the boss 2 to the side molding 1. In addition, the above-mentioned standing piece 1
6 is an attached mark 105 corresponding to the attachment mark 205.
have. The attachment mark 205 is formed by a protruding portion 206 extending from the substrate portion 20, and the attachment mark 105 is formed by a notch portion 169 for a mark formed by cutting out a part of the standing piece 16. Has been formed. In this example, the mark notch portion 169 is formed by notching a part of the intermediate standing piece 162.

Further, as shown in FIG. 1, in this example, the pair of protrusions 271 and the sandwiching piece 28 of the boss 2 sandwich the pair of inner standing pieces 161 of the side molding 1, respectively. Further, the boss 2 and the side molding 1 are fixed by a disengagement prevention means 8 that prevents the boss 2 from coming off the side molding 1. In the present example, the detachment preventing means 8 is a double-sided tape 8 for integrally sticking the boss 2 and the side molding 1 together and for sticking the integrally stuck side molding 1 to the body panel 3. is there. That is, the double-sided tape 8 is disposed between the boss 2 and the side molding 1 and the body panel 3, and one surface 81 of the double-sided tape 8 is attached to the substrate portion 20 of the boss 2 and the side molding 1. Attach the other side 82
Is attached to the body panel 3.

More specifically, the above double-sided tape 8
One surface 81 of the boss 2 is the base portion 20 of the boss 2, and the tip of the standing piece 16 (in this example, the inner standing piece 16).
1 end portion 165, the end portion 16 of the intermediate standing piece 162
6, and is attached to the tip portion 167 of the outer standing piece 163) and the tip portion 113 of the bent portion 112 of the side molding 1. Further, the double-sided tape 8 is arranged over the entire length of the side molding 1 and
Is attached to the body panel 3.

As described above, the double-sided tape 8 has an effect of preventing the boss 2 from coming off and an effect of attaching the side molding 1 to the body panel 3. The boss 2 may be used together with a clip for attaching the side molding 1 to the body panel 3, so that the boss 2 can perform the positioning of the side molding 1 and the clip can also perform the attachment of the side molding 1.

In the positioning structure for the side molding 1 of this example, the boss 2 which is separate from the side molding 1 allows
The side molding 1 is positioned on the body panel 3. In this example, the boss 2 is provided with a pair of projecting pieces 27 having the projecting portions 271, and the standing pieces 16 of the side molding 1 are provided with uneven shapes such as projections or grooves. Not not.

Therefore, a so-called undercut portion is not formed in the molding die for molding the side molding 1, and it is not necessary to provide a slide core or the like for sliding the back side surface 101 of the side molding 1 unlike the conventional case. Also,
The standing piece 16 is the back side surface 10 of the molding body 11.
1 is provided upright along the longitudinal direction X, and it is not necessary to flow the resin so as to intersect the resin flowing in the longitudinal direction X when molding the side molding 1.

Therefore, when molding the side molding 1, the sink mark or the like is hardly generated on the design surface of the side molding 1. Therefore, the side molding 1 in this example has an excellent design surface. Also, as mentioned above,
Since it is not necessary to provide a slide core or the like in the molding die of the side molding 1 of this example, the manufacturing apparatus of the side molding 1 including this molding die can be simplified.

The attachment mark 205 of the boss 2 and the attached mark 105 of the side molding 1 are particularly effective when the shapes of the side molding 1 and the boss 2 in the orthogonal direction Y are not symmetrical. That is, in this case, the mounting direction of the boss 2 with respect to the side molding 1 is determined, and the boss 2 can be mounted in the correct direction with respect to the side molding 1 by the mounting mark 205 and the mounted mark 105.

(Embodiment 2) As shown in FIGS. 5A and 5B, in the standing piece 161 of the side molding 1 in this embodiment, the notch 168 and the mark notch 169 are provided.
Is not formed. Further, as shown in FIGS. 6A and 6B, the boss 2 in this example does not have the protrusion 206.

As shown in FIG. 4, the standing pieces 16 are arranged in the orthogonal direction Y, respectively.
1, the intermediate standing piece 162 and the outer standing piece 163 are formed. The pair of protrusions 271 and the sandwiching piece 28 of the clip 2 are attached to the side molding 1
The inner standing piece 161 is sandwiched between the inner standing piece 161 and the intermediate standing piece 162.
Is sandwiched between. Further, one surface 81 of the double-sided tape 8 in this example is attached to the tip portion 167 of the outer standing piece 163 and the substrate portion 20.

In this way, also in this embodiment, the boss 2 positions the side molding 1 with respect to the body panel 3. Others are the same as those in the first embodiment. Also in the present example, it is possible to obtain the same effect as that of the first embodiment.

(Embodiment 3) As shown in FIG. 8, the boss mounting portion 10 in this embodiment is composed of a plurality of welding ribs 17 provided upright from the back side surface 101 of the molding body 11.
Further, as shown in FIG. 9, the boss 2 in this example has a board portion 20 having a plurality of rib holes 29 into which the plurality of welding ribs 17 are inserted, and an insertion hole 3 provided in the body panel 3.
1 has a boss portion 23 to be inserted therein.

As shown in FIG. 7, in this example, the boss 2 and the side molding 1 are formed by the plurality of rib holes 2
9, the plurality of welding ribs 17 are inserted into each welding rib 17
The leading-edge portion 171 (see FIG. 5) is melted and deformed to form a slip-out prevention portion 172, which is integrated by being hooked around the rib holes 29. And in the positioning structure of the side molding 1 of this example,
By inserting the boss portion 23 of the boss 2 into the insertion hole 31 provided in the body panel 3, the side molding 1 is positioned with respect to the body panel 3.

In this embodiment, the side molding 1 is also provided with a clip mounting portion (not shown) in addition to the boss mounting portion 10. The side molding 1 is positioned by the boss 2, and the side molding 1 is attached to the body panel 3 by the clip attached to the clip attaching portion. Others are the same as those in the first embodiment.

Also in the positioning structure for the side molding 1 of this example, the boss 2 which is separate from the side molding 1 allows
The side molding 1 is positioned on the body panel 3. Further, in the side molding 1, before the integration is performed, the welding rib 17 does not have an uneven shape change such as a protrusion or a groove. Further, the upright piece 16 in this example is also upright from the back side surface 101 of the molding body 11 along the longitudinal direction X.

Therefore, in the same manner as in Example 1, the sink mark or the like is hardly generated on the design surface of the side molding 1 at the time of molding the side molding 1, and the design surface of the side molding 1 in this example is Are better. Further, similar to the first embodiment, the manufacturing apparatus of the side molding 1 including the molding die can be simplified.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a side molding positioning structure according to a first embodiment.

FIG. 2 is a diagram showing a side molding in the first embodiment,
(A) The perspective view which shows a back side surface, (b) The top view which shows a back side surface.

FIG. 3 is a view showing a boss in the first embodiment, and is a perspective view showing (a) a side facing a body panel and (b) a side facing a side molding.

FIG. 4 is an explanatory diagram showing a side molding positioning structure according to a second embodiment.

FIG. 5 is a diagram showing a side molding in the second embodiment,
(A) The perspective view which shows a back side surface, (b) The top view which shows a back side surface.

FIG. 6 is a view showing a boss in the second embodiment, and is a perspective view showing (a) a side facing a body panel and (b) a side facing a side molding.

FIG. 7 is an explanatory diagram showing a side molding positioning structure according to the third embodiment.

FIG. 8 is a perspective view showing a back side surface of a side molding according to a third embodiment.

FIG. 9 is a perspective view showing a side of a boss facing a body panel in the third embodiment.

FIG. 10 is an explanatory view showing a side molding having a boss in a conventional example.

FIG. 11 is an explanatory diagram showing a side molding provided with a boss having a through hole in a conventional example.

[Explanation of symbols]

1. ． ． Side mall, 10. ． ． Boss mount, 11. ． ． Mall body, 16. ． ． Standing piece, 168. ． ． Notch, 2. ． ． boss, 20. ． ． Board part, 23. ． ． Boss, 27. ． ． Protruding piece, 271. ． ． protrusion, 28. ． ． Clip, 3. ． ． Body panel, 31. ． ． Insertion hole, 8. ． ． Double-sided tape,

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Sadao Nada             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Masaya Yoneya             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Kazutoshi Ikeda             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Daiichiro Kawashima             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Tomokazu Nishikawa             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Takehiko Shiraki             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. (72) Inventor Koichi Ogiso             Aichi Prefecture Kasuga-cho, Nishikasugai-gun Ochiai character Nagahata 1             Address within Toyoda Gosei Co., Ltd. F-term (reference) 3D023 AA01 AB01 AC02 AD26                 3J001 FA02 GA06 HA02 HA08 HA09                       JC03 JC13 KA03 KA07 KA08                       KA12 KB01

Claims (4)

[Claims] 1. A side molding having a long molding body and a boss mounting portion formed of a plurality of standing pieces formed along a longitudinal direction on a back side surface of the molding body, the boss mounting portion comprising: Is a positioning structure of a side molding for positioning with respect to a body panel by a boss attached to a part of the boss, wherein the boss has a board portion having a boss portion to be inserted into an insertion hole provided in the body panel, and , A pair of sandwiching pieces which are respectively erected from the surface of the substrate portion opposite to the surface on which the boss portion is provided, and which are erected substantially parallel to the sandwiching pieces and project in a direction facing the sandwiching pieces. A pair of protrusions provided with protrusions, and the boss is attached to the side molding in a state where any one of the upright pieces is sandwiched by the protrusions and the sandwiching piece, and the boss is attached. upon The side molding positioning structure, wherein the side molding is positioned with respect to the body panel by inserting the boss portion into an insertion hole provided in the body panel. 2. The side molding positioning structure according to claim 1, wherein the boss and the side molding are fixed by a disengagement prevention unit that prevents the boss from coming off the side molding. 3. The standing piece according to claim 1 or 2, wherein the upright piece has a cutout portion formed by cutting out a part thereof, and the boss has the substrate portion arranged in the cutout portion. By doing so, the side molding is positioned in the longitudinal direction of the side molding. 4. A side molding having a long molding body and a boss mounting portion formed of a plurality of welding ribs formed along a longitudinal direction on a back surface of the molding body,
A side molding positioning structure for performing positioning with respect to a body panel by a boss attached to a part of the boss attaching portion, wherein the boss is provided on the body panel and a board portion having a rib hole into which the welding rib is inserted. The boss and the side molding are formed by inserting the welding rib into the rib hole and melting and deforming the tip of the welding rib. The disengagement prevention part is integrated by being hooked around the rib hole, and by inserting the boss part of the boss into the insertion hole provided in the body panel, the body of the side molding is inserted. Positioning structure for side moldings, which positions the panel.