JP2006044589A - Coupling structure for interior component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coupling structure for interior components having no protrusion on the reverse side of a channel-shaped groove. <P>SOLUTION: Engaging projection(s) 9 is formed at the inlet to or inside the channel-shaped groove 5, and a pawl 12 formed on a folding flange 11 is engaged with the engaging projection 9, so that there is no protrusion on the reverse side of the channel-shaped groove 5. Therefore, the groove 5 (interior component) can be approached to a body panel 3 sufficiently, and accordingly the intra-cabin space can be widened. A push-cut hole 10 is formed in that position in the groove 5 mating with the projection 9, so that the projection 9 can be shaped with a die of simple structure without providing additionally a slide core etc. in the shaping die. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a coupling structure for interior parts.

  Various interior parts are mounted in the automobile interior, and this kind of interior part is used to mount a plurality of interior parts on the body panel in consideration of the restrictions of the molding die or the mounting workability to the body panel. The actual situation is that they are attached individually.

  As a coupling structure for two adjacent interior parts, first, a U-shaped groove is formed at the edge of one interior part, and locking holes are formed at predetermined pitch intervals on the bottom surface of the U-shaped groove. To do. Further, a bent flange is formed at the edge of the other interior part, and a locking claw corresponding to the locking hole is formed at the tip of the bent flange.

Then, by inserting the bent flange into the U-shaped groove and locking the locking claw in the locking hole, the edge of one interior part is aligned with the edge of the other interior part. (See, for example, Patent Document 1).
JP 2004-106732 A

  However, according to such a conventional technique, since the locking claw at the tip of the bent flange is locked to the locking hole of the U-shaped groove, the tip of the locking claw is separated from the locking hole. Projects to the back side of the U-shaped groove. Therefore, it is necessary to set the gap between the U-shaped groove and the vehicle body panel so that the locking claw protruding to the back side does not interfere with the vehicle body panel. The cabin space was under pressure.

  The present invention has been made paying attention to such a conventional technique, and provides a coupling structure for interior parts that does not protrude behind the U-shaped groove.

  According to the first aspect of the present invention, a U-shaped groove is formed at one end edge of two adjacent interior parts attached to the vehicle body panel, and a bent flange is bent at the other end, In a coupling structure for interior parts joined with a bent flange inserted into the U-shaped groove, a plurality of engaging projections are formed along the longitudinal direction of the U-shaped groove at the entrance or inside of the U-shaped groove. In addition, a claw portion is formed at a position corresponding to the engagement protrusion of the bent flange, and the claw portion is engaged with the engagement protrusion.

  In the invention according to claim 2, a U-shaped groove is formed at one end edge of two adjacent interior parts attached to the vehicle body panel, and a bent flange is bent at the other end, In the coupling structure of interior parts in which the bent flange can be coupled with being inserted into the U-shaped groove part, and the other interior part can be attached to the vehicle body panel alone, the entrance to the U-shaped groove part Alternatively, a plurality of engaging protrusions are formed in the inside along the longitudinal direction of the U-shaped groove, and can be inserted into the U-shaped groove at a position adjacent to the bending flange in the other interior part and have a claw portion. The joining pieces are respectively formed corresponding to the engaging protrusions, and the claw portions are engaged with the engaging protrusions.

  The invention according to claim 3 is characterized in that a die-cutting hole is formed at a position corresponding to the engagement protrusion in the U-shaped groove.

  Here, the interior parts to be applied include a rear pillar trim and a luggage side trim, a center pillar trim upper and a center pillar trim lower, a luggage upper and a luggage lower, and the like. Further, as the interior part, a synthetic resin molded body that is molded into a required shape by an injection molding method, a mold press molding method or the like using a molding die composed of a cavity mold and a core mold is suitable.

  According to the first aspect of the present invention, the engagement protrusion is formed at the entrance or inside of the U-shaped groove portion, and the claw portion formed on the bent flange is engaged with the engagement protrusion. There is nothing protruding on the back side of the U-shaped groove. Therefore, the U-shaped groove (interior part) can be sufficiently brought close to the vehicle body panel, and the vehicle interior space can be expanded accordingly.

  According to the second aspect of the present invention, when the claw portion of the engagement piece engages with the engagement protrusion, the movement of the two interior parts in the direction away from each other is restricted, and the gap between the mating portions is enlarged. Is prevented. Also, when the other interior part is attached to the vehicle body panel alone, the engaging piece is hidden by the bent flange, which is advantageous in terms of appearance.

  According to the third aspect of the present invention, since the punched hole is formed at the position corresponding to the engagement protrusion in the U-shaped groove portion, the mold having a simple structure can be used without attaching a slide core or the like in the molding die. The engaging protrusion can be formed.

  For the purpose of providing a coupling structure for interior parts that does not protrude on the back side of the U-shaped groove, a U-shaped groove is formed on one end edge of two adjacent interior parts attached to the vehicle body panel. In the coupling structure of interior parts in which a bent flange is bent at the other edge, and the bent flanges are inserted in the U-shaped groove, a plurality of them are provided at the entrance or inside of the U-shaped groove. Are formed along the longitudinal direction of the U-shaped groove, and claw portions are formed at positions corresponding to the engagement protrusions of the bent flange, and the claw portions are engaged with the engagement protrusions. That was realized. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 3 are views showing a first embodiment of the present invention. A rear pillar trim 1 and a luggage side trim 2 are respectively attached to the vehicle body panel 3 on the vehicle interior side at the rear of the vehicle. A door trim 4 is attached in front of the luggage side trim 2. The rear pillar trim 1, the luggage side trim 2, and the door trim 4 are interior parts adjacent to each other. In this embodiment, the rear pillar trim 1 is "one interior part" and the luggage side trim 2 is "the other interior part." These components will be described as a representative component.

  The rear pillar trim 1 and the luggage side trim 2 are composed of a PP resin mold press-molded body or an injection-molded body. A U-shaped groove portion 5 extending in the front-rear direction is formed on the lower edge 1 a of the rear pillar trim 1. The U-shaped groove 5 includes an upper surface portion 6, a bottom surface portion 7, and a lower surface portion 8, and the lower surface portion 8 is set slightly shorter than the upper surface portion 6. A plurality of upward engaging projections 9 are formed at predetermined pitch intervals from the end of the lower surface 8 corresponding to the entrance of the U-shaped groove 5 (one representative is shown in FIG. 3).

  Further, a push hole 10 is formed in a part of the bottom surface portion 7 and the top surface portion 6 of the U-shaped groove portion 5 corresponding to the engagement protrusion 9. This push hole 10 is used to form an engagement protrusion 9 by a part of a molding die (not shown) for forming the rear pillar trim 1 being formed. By forming this push hole 10, The engaging projection 9 can be formed with a simple mold without attaching a slide core or the like in the mold.

  A bent flange 11 is formed on the upper edge 2a of the other luggage side trim 2 to bend toward the vehicle body panel 3 at an angle of approximately 90 °. A downward claw portion 12 is formed at a portion corresponding to the engagement protrusion 9 at the tip of the bent flange 11.

  The rear pillar trim 1 and the luggage side trim 2 are attached to the vehicle body panel 3 via clip means (not shown) set at several locations. At the mating portion of the rear pillar trim 1 and the luggage side trim 2, the bent flange 11 of the luggage side trim 2 is inserted into the U-shaped groove portion 5 of the rear pillar trim 1. Then, the claw portion 12 of the bent flange 11 is engaged and coupled with the engagement protrusion 9 to prevent the detachment to the vehicle interior side.

  Further, even if a load is applied between the rear pillar trim 1 and the luggage side trim 2 in the direction of separating the rear pillar trim 1 and the luggage side trim 2 due to the shrinkage caused by the fluctuation of the environmental temperature, the upper end of the engaging projection 9 And the bent flange 11 are engaged with each other, the movement in the separating direction is restricted, and the gap S between the two at the mating portion is prevented from spreading.

  Since the bent flange 11 only engages with the engagement protrusion 9 and does not protrude to the back side of the U-shaped groove 5, the U-shaped groove 5 can be sufficiently brought close to the vehicle body panel 3. The pillar trim 1 and the luggage side trim 2 are located closer to the vehicle body panel 3, and the vehicle interior space can be expanded.

  4 to 6 are views showing a second embodiment of the present invention. In the second embodiment, parts that are the same as those in the first embodiment are given the same reference numerals, and redundant descriptions are omitted.

  In this embodiment, engagement pieces 16 corresponding to the engagement protrusions 15 of the rear pillar trim 14 are respectively formed at positions below the bent flange 11 in the luggage side trim 13 (in FIG. 5, one is representative). (Illustrated). A downward claw portion 17 is formed at the tip of the engagement piece 16.

  The engagement protrusion 15 in the U-shaped groove portion 5 of this embodiment is shorter than the previous embodiment, and both the bent flange 11 and the engagement piece 16 can be inserted into the U-shaped groove portion 5. The claw portion 17 of the inserted engagement piece 16 is engaged with the upper end of the engagement protrusion 15 to prevent the engagement protrusion 16 from coming off to the vehicle interior side, and the rear pillar trim 14 and the luggage side trim 13 are moved away from each other. Also regulate.

  The luggage side trim 13 in this embodiment may be attached to the vehicle body panel 3 alone as shown in FIG. In such a case, the engaging piece 16 is hidden by the bent flange 11, which is advantageous in terms of appearance.

  In the above embodiment, the coupling structure of the rear pillar trims 1 and 14 and the luggage side trims 2 and 13 as interior parts has been described as an example, but the present invention can also be applied to coupling of other interior parts. Further, although the example in which the engagement protrusions 9 and 15 are formed at the entrance of the U-shaped groove portion 5 is shown, it may be formed inside the U-shaped groove portion 5.

The side view which looked at the interior component which concerns on 1st Example of this invention from the vehicle interior side. Sectional drawing which follows the arrow SA-SA line in FIG. The perspective view which shows the rear pillar trim and luggage side trim which concern on 1st Example. Sectional drawing equivalent to FIG. 2 which shows the coupling structure which concerns on 2nd Example. The perspective view which shows the rear pillar trim and luggage side trim which concern on 2nd Example. Sectional drawing which shows the state which attached the luggage side trim which concerns on 2nd Example independently.

Explanation of symbols

1,14 Rear pillar trim (one interior part)
2,13 Luggage side trim (other interior part)
DESCRIPTION OF SYMBOLS 3 Body panel 5 U-shaped groove part 9, 15 Engagement protrusion 10 Push hole 11 Bending flange 12 Claw part 16 Engagement piece 17 Claw part S Crevice

Claims (3)

A U-shaped groove is formed at one end edge of two adjacent interior parts attached to the vehicle body panel, a bent flange is formed at the other end edge, and the bent flange is formed into a U-shaped groove. In the coupling structure of interior parts joined in the state inserted in,
A plurality of engaging projections are formed along the longitudinal direction of the U-shaped groove portion at the entrance or inside of the U-shaped groove portion, and claw portions are respectively formed at positions corresponding to the engaging projections of the bent flange, A coupling structure for interior parts, wherein a claw portion is engaged with an engagement protrusion. A U-shaped groove is formed at one end edge of two adjacent interior parts attached to the vehicle body panel, a bent flange is formed at the other end edge, and the bent flange is formed into a U-shaped groove. In the coupling structure of interior parts that can be joined in the state of being inserted inside, and the other interior part can be attached to the vehicle body panel alone,
A plurality of engaging projections can be formed along the longitudinal direction of the U-shaped groove at the entrance or inside of the U-shaped groove, and can be inserted into the U-shaped groove adjacent to the bending flange of the other interior part. And the engagement piece which has a nail | claw part was each formed corresponding to the engagement protrusion, and this nail | claw part was engaged with the engagement protrusion, The coupling | bonding structure of the interior components characterized by the above-mentioned. A coupling structure for interior parts according to claim 1 or claim 2,
A connecting structure for interior parts, characterized in that a die-cutting hole is formed at a position corresponding to the engagement protrusion in the U-shaped groove.

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