JP2009208689A - Interior part mounting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior part mounting structure capable of suppressing the noise by reliably mounting an interior part on a mounted body without using any shock-absorbing material, and reducing the manufacturing cost. <P>SOLUTION: In the interior part mounting structure, an engagement projecting part 17 projecting to a back side of an interior part 3 is integrally formed on a mounting side end 15 of the interior part 3. An opposing part 25 opposing the engagement projecting part 17 of the interior part 3 is formed on a mounted side end 23 of a mounted body 5. A locking part 27 is integrally formed at the position corresponding to the engagement projecting part 17 of the opposing part 25. The locking part 27 comprises a flexible supporting part 29 which presses and supports the engagement projecting part 17 from the opposing part 25 side to the counter-opposing part side, and a flexible holding part 31 which has a pair of claw parts 39 for inserting and locking the engagement projecting part 17 and holds the engagement projecting part 17 between the claw parts 39 and the supporting part 29. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an interior part mounting structure in which an interior part is attached to an attached body.

  For example, interior parts such as automobiles are attached to an attachment body on the vehicle body side in order to interior the passenger compartment side. For example, a front pillar trim as an interior part is attached to a passenger compartment side and an instrument panel of the front pillar.

  As such an interior part mounting structure, for example, as disclosed in Patent Document 1, a plurality of claw-shaped mounting pieces are formed at the lower end of the front pillar trim, while a plurality of mounting holes are formed in the instrument panel, It is known that each mounting piece is engaged with these mounting holes. However, if the mounting piece and the mounting hole are directly engaged with each other, a rubbing sound is generated as noise between them. Therefore, it is known that these mounting pieces are engaged with the respective mounting holes in a state in which the cushioning material is wound around the respective mounting pieces.

Furthermore, in the mounting structure of Patent Document 1, a part of the end cloth portion of the skin material constituting the front pillar trim is used as the cushioning material without cutting off, so that a separate cushioning material is not required and the manufacturing cost is reduced. We are trying to prevent the increase.
JP 2007-153209 A

  However, in the mounting structure of Patent Document 1, since the end cloth portion of the skin material is processed to form a plurality of cushioning materials, there is a problem that an increase in the manufacturing cost of interior parts is unavoidable due to the processing. is there.

  The present invention has been made in view of such various points, and the object of the present invention is to reliably attach an interior part to an attached body without using a cushioning material and to suppress the generation of noise and to reduce the manufacturing cost. The purpose is to reduce this.

  In order to achieve the above object, according to the present invention, the engagement protrusion formed to protrude from the back surface side of the interior part is sandwiched between the support part and the holding part formed on the mounted body. It is characterized by that.

  Specifically, the present invention is directed to an interior part mounting structure in which an interior part is attached to a body to be attached, and the following solution is taken.

  That is, according to the first aspect of the present invention, an engagement protrusion projecting toward the back side of the interior part is integrally formed at the attachment side end of the interior part, while the attachment body is attached. The side end portion is formed with a facing portion facing the engaging protrusion of the interior part, and a locking portion is integrally formed at a position corresponding to the engaging protrusion of the facing portion. The stop portion has a flexible support portion that presses and supports the engaging protrusion from the opposite portion side to the opposite portion side, and a pair of claw portions that insert and lock the engaging protrusion. It is comprised by the flexible holding | maintenance part which clamps the said engaging protrusion between this nail | claw part and the said support part, It is characterized by the above-mentioned.

  According to a second aspect of the present invention, in the first aspect of the invention, a plate-like flange portion that bends from the interior component main body to the back side is formed at the attachment-side end portion of the interior component. The abutment portion is formed by extending a part of the flange portion, and the facing portion is formed so as to face the flange portion.

  According to the first aspect of the present invention, the engaging protrusions of the interior part are moved away from the facing portion facing the engaging protrusion by the support portion having the flexibility of the locking portion of the mounted body. It can be supported by pressing to the side. In addition, the engaging protrusion can be inserted and locked to the pair of claw portions in the holding portion having the flexibility of the locking portion. Furthermore, since the engagement protrusion can be held between the support portion and the pair of claw portions in the holding portion, the interior part can be securely attached to the attachment body at the locking portion. it can.

  Furthermore, even if a manufacturing error has occurred in the interior part, the mounted body, etc., the error can be absorbed by the flexible support part and holding part, so that the engagement protrusion of the interior part can be securely held. And can be fixed. As a result, it is not necessary to attach a buffering agent for preventing rubbing noise as in Patent Document 1 to the engaging protrusion, and thus the manufacturing cost can be reduced.

  According to the second aspect of the present invention, by extending a part of the flange portion, the engagement protrusion can be formed integrally with the flange portion with high rigidity on the back surface side of the interior part.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

<< Embodiment of the Invention >>
1 to 3 show an embodiment of the present invention.

  FIG. 1 is a perspective view of an interior part mounting structure 1 according to the present embodiment as viewed from the passenger compartment side. 2 is an exploded perspective view taken along line II-II in FIG. FIG. 3 is an enlarged cross-sectional view of a locking portion that locks the engagement protrusion 17.

  In the present embodiment, a front pillar trim 3 (hereinafter referred to as “pillar trim 3”) will be described as an example of an automobile interior part. As shown in FIG. 1, an interior part mounting structure 1 according to the present embodiment is configured by mounting a pillar trim 3 on an instrument panel 5 (hereinafter referred to as an instrument panel 5) that is an attached body.

  The instrument panel 5 is a resin interior panel attached to the vehicle body on the vehicle front side in the vehicle interior. At both ends of the instrument panel 5 in the vehicle width direction, resin pillar trims 3 extending in the vertical direction are attached to a front pillar panel (not shown) that is a vehicle body at the middle in the vertical direction, and the lower ends of the pillar trims 3 are described later. It is attached to the instrument panel 5.

  The instrument panel 5 is provided with a louver 9 in the vicinity of the pillar trim 3 for opening and closing the air outlet for air conditioning. A windshield 11 is mounted on the vehicle front side of the instrument panel 5 and the pillar trim 3. Further, a door seal member 13 made of rubber or the like is attached to the front pillar panel so as to cover the vehicle rear side end portion of the pillar trim 3.

  As shown in FIGS. 1 and 2, the pillar trim 3 includes a trim body 19 that is an interior part body that has a substantially U-shaped cross section that extends substantially in the vertical direction of the vehicle and is open on the vehicle outer side (back side), and the trim body 19. A plate-like flange portion 21 that bends from the attachment-side end portion 15 to the rear surface side, and a member that is integrally formed at the outer end of the flange portion 21 so as to protrude to the rear surface side of the pillar trim 3, that is, the vehicle width direction outer side. It has a mating protrusion 17.

  The engagement protrusion 17 is formed to have a relatively wide base end side and gradually narrow toward the distal end side, and has a thickness equivalent to that of the flange portion 21.

  On the other hand, as shown in FIG. 2, a facing portion 25 that opposes the engaging protrusion 17 of the pillar trim 3 is formed at the mounted-side end portion 23 of the instrument panel 5, and the engaging protrusion of the facing portion 25. A locking portion 27 is integrally formed at a position corresponding to 17.

  The facing portion 25 is formed to face the flange portion 21 and has a surface (upper surface) that is substantially parallel to the bottom surface of the flange portion 21. On the other hand, the locking portion 27 includes a support portion 29 and a holding portion 31.

  The support portion 29 has flexibility and is constituted by a pair of support piece portions 33 as shown in an enlarged manner in FIG. The pair of support piece portions 33 includes a base end portion 35 that extends from the surface of the facing portion 25 toward the counter-facing portion, and a flexible mounting that is inclined from the tip end of the base end portion 35 toward the counter-facing portion and is separated from each other. Each of which has a mounting portion 37 and is formed in a reverse C shape when viewed from the inside of the vehicle. The direction of separating is substantially the vehicle body front-rear direction. In this way, the support portion 29 is configured such that the engagement protrusion 17 is placed on the pair of flexible placement portions 37, and the flexible placement portion 37 bends toward the opposing portion 25, whereby The part 17 is pressed and supported from the facing part 25 side to the counter-facing part side.

  On the other hand, the holding portion 31 has flexibility, and has a pair of claw portions 39 for inserting and locking the engaging protrusion 17 as shown in FIG. The pair of claw portions 39 includes a base end portion 41 that extends from the surface of the facing portion 25 toward the counter-facing portion, and a flexible portion 43 that is inclined from the tip of the base end portion 41 toward the facing portion 25 and is close to each other. And contact portions 45 that incline from the tip of the flexible portion 43 to the facing portion 25 side and extend in directions away from each other, and each contact portion 45 is shaped like a letter C when viewed from the vehicle width direction. It is formed to become. The holding portion 31 is configured to hold the engaging protrusion 17 with the support portion 29 by abutting and supporting the engaging protrusion 17 with the abutting portion 45.

  Here, as shown in FIG. 3, the width W <b> 1 of the engagement protrusion 17 is set larger than the insertion width W <b> 2 between the pair of flexible portions 43.

  According to the interior part mounting structure 1 described above, the mounting-side end 15 of the pillar trim 3 is attached to the instrument panel 5 by inserting and locking the engaging projection 17 into the locking portion 27 in the direction of the wavy arrow A in FIG. It is attached to the attachment side end 23. That is, the pair of flexible portions 43 are bent and expanded by inserting the engaging protrusions 17, and the engaging protrusions 17 move to the facing portion 25 side from the distal end of the flexible portion 43. When placed on the flexible placement portion 37, the engagement protrusion 17 is abutted and supported by the abutment portion 45. As a result, the engagement protrusion 17 is held between the contact portion 45 and the flexible mounting portion 37.

  As described above, in this embodiment, the engaging protrusion 17 is held between the flexible mounting portion 37 of the support portion 29 and the contact portion 45 of the holding portion 31. The protrusion 17 can be supported in the vehicle up-down direction or the vehicle front-rear direction, and the lower end of the pillar trim 3 can be securely attached to the instrument panel 5.

  Furthermore, even if a manufacturing error occurs in the pillar trim 3, the instrument panel 5, etc., the error can be absorbed by the flexible mounting portion 37 of the support portion 29 and the flexible portion 43 of the holding portion 31 having flexibility. The engagement protrusion 17 of the pillar trim 3 can be securely held and fixed to the instrument panel 5. As a result, generation of noise can be suppressed, and it is not necessary to attach a buffering agent for preventing rubbing noise as in Patent Document 1 to the engaging protrusion, and thus the manufacturing cost can be reduced.

  Furthermore, since a part of the flange portion 21 is extended to form the engaging protrusion 17, the engaging protrusion 17 is formed integrally with the flange portion 21 with high rigidity on the back surface side of the pillar trim 3. be able to.

<< Other Embodiments >>
In the above embodiment, the engagement protrusion 17 is formed on the flange portion 21 of the pillar trim 3. However, the present invention is not limited to this, and the flange portion 21 is not formed. The protruding engaging protrusion 17 may be formed directly on the trim body 19. That is, the engagement protrusion 17 may be integrally formed so as to protrude toward the back side of the pillar trim 3 at the attachment side end 15 of the pillar trim 3.

  Further, in the above embodiment, the pillar trim 3 is described as an example of the interior part, but the present invention is not limited to this, for example, a structure for mounting a side trim as an interior part on the vehicle side part to the vehicle body, The same can be applied to the structure for attaching the side trim to the vehicle body in the trunk room at the rear of the vehicle.

  Moreover, although the said embodiment demonstrated the example which comprised the support part 29 by a pair of support piece part 33, this invention is not limited to this. For example, one support piece having the same shape as the one support piece 33 may be arranged at the center position in the width direction of the engagement protrusion 17. Even in this case, the engagement protrusion 17 can be held between the support piece portion and the contact portion 45.

  In the above embodiment, the pair of flexible mounting portions 37 are formed such that the tips are separated from each other, but the support portion 29 may be configured by arranging the tips so as to face each other.

  Further, in the above embodiment, the support portion 29 is formed in a bent shape by the base end portion 35 and the flexible mounting portion 37, but not by such a bent shape but by only a pair of curved flexible mounting portions. You may comprise the support part 29. FIG. That is, a pair of curved flexible mounting portions may be arranged such that their tips are opposite to each other or face each other, or the supporting portion 29 is configured by one curved flexible mounting portion. May be.

  As described above, the present invention is useful for an interior part mounting structure in which an interior part is attached to an attached body.

FIG. 1 is a perspective view of an interior part mounting structure according to the present embodiment as viewed from the passenger compartment side. 2 is an exploded perspective view taken along line II-II in FIG. FIG. 3 is an enlarged cross-sectional view of a locking portion that locks the engaging protrusion.

Explanation of symbols

1 Interior parts mounting structure 3 Front pillar trim (interior parts)
5 Instrument panel (attachment)
15 Attachment side end 17 Engagement protrusion 21 Flange 23 Mounted side end 25 Opposing part 27 Locking part 29 Supporting part 31 Holding part 39 Claw part

Claims (2)

An interior part mounting structure in which the interior part is attached to the mounted body,
On the attachment side end portion of the interior part, an engaging protrusion that protrudes on the back side of the interior part is integrally formed,
A facing portion facing the engaging protrusion of the interior part is formed at the mounted side end portion of the mounted body, and a locking portion is provided at a position corresponding to the engaging protrusion of the facing portion. Integrally formed,
The locking portion includes a flexible support portion that presses and supports the engaging protrusion from the facing portion side to the non-facing portion side, and a pair of claw portions that insert and lock the engaging protrusion. And a flexible holding portion that holds the engaging protrusion between the claw portion and the support portion. In the interior part mounting structure described in claim 1,
A plate-like flange portion that bends from the interior part main body to the back side is formed at the mounting side end of the interior part,
The engaging protrusion is formed by extending a part of the flange portion,
The mounting structure for interior parts, wherein the facing portion is formed to face the flange portion.

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