JP2005331112A - Panel installing structure to base material in synthetic resin mold - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To surely and easily perform positioning and fixation to a panel installing surface of a panel. <P>SOLUTION: A panel installing structure to a base material 1 in a synthetic resin mold is constituted so that a plurality of clip holes 3 are opened on its one end, and a plurality of locking holes 5 are opened on its other end, respectively on the panel installing surface 1; a plurality of clip support parts 7C provided with a clip 21 and a plurality of locking pieces 9 are projected downward on a reverse surface of the panel P; one inclined seat surface 11S inclining in the direction for expanding upward from the clip center, is formed on one side of the respective clip holes 3; when installing the panel P on the panel installing surface 1, the respective clip support parts 7C and the one inclined seat surface are mutually slidingly contacted and engaged; the panel P is pulled in and guided in the clip center direction and the orthogonal direction to this direction to the panel installing surface 1; the panel P is held in a positioning position by engaging the clip 21 with the clip holes 3, and engaging the locking pieces 9 with the locking holes 5; and an engaging part 9a is formed in the locking pieces 9 for engaging with the locking holes 5 by turning to the same side as the inclined seat surface 11S. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a panel mounting structure on a base material in a synthetic resin molded product for positioning and fixing an airbag module panel to a base material of a synthetic resin molded product, for example, an instrument panel in an automobile.

  Conventionally, when a panel is manually positioned and fixed to a mounting surface of a synthetic resin molded product by a clip, since there is no firm positioning means, the positioning often depends largely on the skill of the operator.

  By the way, since it is difficult to secure high molding accuracy in a synthetic resin molded product, if the panel is positioned on the mounting surface of the base material and positioned and fixed with a clip, the panel is positioned on the base material. Thus, there is a problem that the work of clip-stopping takes time and the workability is not good, and the tendency becomes remarkable particularly when the synthetic resin molded product is large.

  The present invention has been made in view of such circumstances, and when the panel is attached to the mounting surface of the base material of the synthetic resin molded product, the panel is drawn into the positioning position and guided to the mounting surface. It is an object of the present invention to provide a panel mounting structure to a base material in a novel synthetic resin molded product that can be surely and easily positioned.

  In order to achieve the above object, the invention according to claim 1 is a panel mounting structure to a base material in a synthetic resin molded product for positioning and fixing the panel to the panel mounting surface of the base material, A plurality of clip holes are opened at one end of the panel mounting surface at intervals, and a plurality of locking holes are formed at intervals at the other end, while the back surface of the panel And a plurality of clip support portions corresponding to the plurality of clip holes, and a plurality of locking pieces respectively projecting downward downward correspondingly to the plurality of locking holes. The supporting portion is provided with a clip that is fitted and coupled to the plurality of clip holes, and one inclined seating surface that is inclined in a direction extending upward from the clip center is formed on one side of each of the clip holes. In addition, each clip support portion on one side of each clip is formed with the other inclined seating surface that is inclined in the direction of expanding upward from the clip center corresponding to the one inclined seating surface, respectively. When the panel is mounted on the panel mounting surface, the clip support portions and the one inclined seating surface are slidably engaged with each other, and the panel is perpendicular to the clip mounting direction with respect to the panel mounting surface. The panel is held in the positioning position by engaging the clip with the clip hole and engaging the locking piece with the locking hole. An engaging portion is formed to face the same side as the one inclined seating surface and engage with the locking hole.

  As described above, according to the present invention, in the panel mounting structure to the base material in the synthetic resin molded product, when the panel is placed on the panel mounting surface and pushed in, the panel is automatically pulled toward the positioning position. Therefore, the positioning and fixing of the panel with respect to the panel mounting surface can be reliably and easily performed.

  Embodiments of the present invention will be described below based on the embodiments of the present invention shown in the accompanying drawings.

  In this example, the panel mounting structure to the base material in the synthetic resin molded product of the present invention was carried out to attach a panel provided with an assistant airbag module (hereinafter referred to as an airbag module) to an instrument panel of an automobile. FIG. 1 is a perspective view showing an instrument panel and a state before the panel is attached. FIG. 2 is a view taken along the arrow 2 in FIG. 1, FIG. 3 is a view taken along the 3 arrow in FIG. 2 is an enlarged sectional view taken along line 4-4 in FIG. 2, FIG. 4B is a sectional view taken along line bb in FIG. 2, and FIG. 5 is an enlarged sectional view taken along line 5-5 in FIG. 6 is an enlarged sectional view taken along line 6-6 in FIG. 2, FIG. 7 is a perspective view of the clip support portion and the clip hole, FIG. 8 is an enlarged sectional view taken along line 8-8 in FIG. 2, and FIG. FIG. 10 is an enlarged cross-sectional view taken along line 10-10 in FIG. 2, and FIG. Is a perspective view of a no clip clip supporting portion.

  In FIG. 1, a concave panel mounting surface 1 is formed on the upper surface of an automobile instrument panel I as a base material of a synthetic resin molded product, and a panel as an airbag module panel is formed on the panel mounting surface 1. P is positioned and fixed. The airbag module A is supported on the middle portion of the back surface of the panel P.

  A receiving port 2 is opened at an intermediate portion of the panel mounting surface 1, and the airbag module A is received in the receiving port 2 so as to be able to be put in and out. Seven clip holes 3 are opened on the rear side edge of the panel mounting surface 1 with a space in the left-right direction, and two on the left side edge of the panel mounting surface 1 with a space in the front-rear direction. The left and right clip holes 3 are opened on the left and right sides of the receiving port 2. Further, seven locking holes 5 are opened at the front edge of the panel mounting surface 1 in the left-right direction, and further, the right edge of the panel mounting surface 1 is spaced in the front-rear direction. Two locking holes 5 are opened.

  On the other hand, on the back surface of the panel P, a plurality of clip support portions 7 and 7 (C) and a plurality of locking pieces 9 corresponding to the plurality of clip holes 3 and the plurality of locking holes 5 are integrally formed downward. Provided. That is, seven clip support portions 7 and 7 (C) are integrally suspended from the rear side edge of the panel at intervals in the left-right direction, and the left side edge of the panel P is provided in the front-rear direction. The two clip support portions 7 and 7 (C) are integrally suspended with a space therebetween, and the left and right clip support portions 7 are integrally suspended on the left and right sides of the airbag module A.

  The plurality of clip support portions 7 are classified into those having a clip and those not having a clip. The clip support portion 7 having a clip is distinguished by adding a suffix (C).

  In addition, seven locking pieces 9 are integrally suspended from the front side edge of the back surface of the panel P with a space in the left-right direction, and further, the right side edge of the back surface of the panel P is spaced in the front-back direction. Two locking pieces 9 are suspended integrally.

  A total of eleven clip holes 3 opened in the panel mounting surface 1 are formed in substantially the same structure. As clearly shown in FIGS. 5 and 7, each clip hole 3 is formed on the instrument panel I. The clip hole 3 is formed in a rectangular shape that is long in the front-rear direction, and an inclined guide surface 11 that extends toward the upper surface of the panel mounting surface 1 is formed on the periphery of the clip hole 3. One of the inclined guide surfaces 11 along the side corresponds to one inclined seat surface 11S according to the present invention that extends outward from the clip center SS, and this inclined seat surface 11S is a clip to be described later. The panel P is slidably engaged with the support portion 7 to draw the panel P in two directions, ie, the clip center SS direction and the direction orthogonal thereto, and is guided to the positioning position.

  The panel mounting surface 1 is in contact with the back surface of the panel P at a plurality of appropriate positions such as the outside of the clip hole 3 and the locking hole 5 to finally position the panel P with respect to the panel mounting surface 1. An abutting surface 13 on the panel mounting surface side is formed.

  These abutting surfaces 13 are formed along the shape of the abutting surface 25 on the panel P side, and their shapes are not constant.

  Further, a total of nine locking holes 5 opened in the panel mounting surface 1 have substantially the same shape, and along the edge of the panel mounting surface 1 as shown in FIGS. 4 (a) and 4 (b). An inclined guide surface 15 is formed on one side in the longitudinal direction. The inclined guide surface 15 extends outward in the upward direction.

  On the other hand, the panel P is provided with a rectangular attachment frame 17 for attaching the airbag module A in the middle thereof, and the reinforcing ribs 18 are formed vertically and horizontally across the entire rear surface except for the attachment frame 17. A total of eleven clip support portions 7 are formed along the reinforcing ribs 18. The plurality of clip support portions 7 have substantially the same structure as shown in FIGS. 7 to 11, and are provided integrally with the support plate 19 and a pair of U-shaped clip guides 20 at both ends thereof. The cross section is formed in an H shape. Of the eleven clip support portions 7, the clip 21 is attached except for a part thereof (the clip support portion 7 with the clip 21 is attached with a subscript (C)).

  As shown in FIGS. 5 to 7, the clip support portion 7 (C) with the clip 21 is formed on the clip support surface by forming the support plate 19 slightly thicker than the clip support portion 7 without the clip. A clip main body 21a is attached to the clip main body 21a, and clip springs 21b having a square cross section are attached to the left and right of the clip main body 21a.

  As shown in FIGS. 5 to 11, the clip support portions 7 and 7 (C) (one to which the clip is attached and one to which the clip is not attached) are integrally formed with triangular guide ribs 23 and 24 on both sides thereof. Provided. One of the guide ribs 23 is engaged with the inclined seating surface 11S provided on the panel mounting surface 1, and draws the panel P in two directions to guide and hold it at the positioning position. An inclined seat surface 23S is formed, and the inclined seat surface 23S is inclined in a direction extending upward from the clip center SS.

  Further, the back surface of the panel P abuts with the abutting surface 13 on the panel mounting surface 1 side at a plurality of appropriate positions such as the outside of the clip support portions 7 and 7 (C) and the locking piece 9, A panel-side abutting surface 25 that restricts the final positioning position of the panel is formed.

  A total of nine locking pieces 9 provided integrally on the rear side of the front side edge and the right side edge of the panel, as shown in FIG. 4, are on the same side as the inclined seating surface 11S (that is, the left side in FIGS. 4 and 5). When the panel P is positioned and fixed to the panel mounting surface 1, the locking portions 9 a of these locking pieces 9 are engaged with the locking holes 5. . Further, if the panel P is pulled upward to remove the panel P, the base portion of the locking piece 9 bends and comes off the locking hole 5.

  Next, in order to attach the panel P to the panel mounting surface 1 of the instrument panel I, after placing the panel P on the panel mounting surface 1 and then pushing it toward the panel mounting surface 1, The airbag module A is received in the receiving port 2, and the plurality of clip support portions 7 and 7 (C) are respectively inserted into the clip holes 3. At this time, the inclined seating surface 23 </ b> S provided outside the clip support portions 7 and 7 (C) is in sliding contact with the inclined seating surface 11 </ b> S provided outside the clip hole 3, while the panel P is attached to the panel mounting surface 1. Is guided in the positioning direction. That is, according to the sliding contact engagement between the inclined seat surface 23S and the inclined seat surface 11S, the panel P has the same direction V as the clip center SS and the direction H orthogonal thereto, as shown in FIGS. The clip support portions 7 and 7 (C) and the clip centers SS of the clip hole 3 are drawn and guided to the positioning positions where they coincide with each other. And the clip 21 provided in the clip support part 7 (C) is engaged with the clip hole 3 as shown in FIG. On the other hand, as shown in FIG. 4, the plurality of locking pieces 9 provided on the panel P are engaged with the locking holes 5 provided on the panel mounting surface 1. Then, the plurality of abutting surfaces 25 on the panel side and the abutting surface 13 on the panel mounting surface side abut, and finally the panel P is positioned and fixed at a regular mounting position on the panel mounting surface 1. The

  Although one embodiment of the present invention has been described above, the present invention is not limited to that embodiment, and various embodiments are possible within the scope of the present invention.

  For example, in the above-described embodiment, the case where an instrument panel is used as a base material of a synthetic resin molded product and an airbag module panel is used as the panel is described. However, the present invention is a base material of another synthetic resin molded product. Of course, it can also be applied to panels. Moreover, the structure of the clip used in the present invention is not limited.

The perspective view which shows the state before installation of an instrument panel and a panel 2 arrow view of FIG. 3 arrow view of FIG. (A) is an enlarged sectional view taken along line 4-4 in FIG. 2, and (b) is a sectional view taken along line bb in (a). FIG. 5 is an enlarged sectional view taken along line 5-5. 6-6 enlarged sectional view of FIG. Perspective view of clip support and clip hole FIG. 8 is an enlarged sectional view taken along line 8-8. Perspective view of clip support without clip FIG. 2 is an enlarged sectional view taken along line 10-10. Perspective view of clip support without clip

Explanation of symbols

3... Clip hole 5... Lock hole 7 (C).. Clip support part 9... Lock piece 9 a... Engagement part 11 S. Seat 21 ··· Clip 23S ··· Inclined seat A on the other side ··· Airbag module I ··· Base material (instrument panel)
P: Panel (Airbag module panel)
SS-Clip center

Claims (1)

A panel mounting structure to a base material in a synthetic resin molded product for positioning and fixing the panel (P) to the panel mounting surface (1) of the base material (I),
In the panel mounting surface (1), a plurality of clip holes (3) are opened at one end of the panel mounting surface (1), and a plurality of locking holes (5) are spaced from each other at the other end. On the other hand, on the back surface of the panel (P), a plurality of clip support portions (7 (C)) correspond to the plurality of clip holes (3), and a plurality of locking pieces (9) are provided. Each of the plurality of locking holes (5) is integrally protruded downward, and the clip supporting portions (7 (C)) are fitted and connected to the plurality of clip holes (3). A clip (21) is provided, and one inclined seating surface (11S) is formed on one side of each clip hole (3), which is inclined in a direction extending upward from the clip center (SS). In addition, each clip on one side of each clip (21) The holding portion (7 (C)) has the other inclined seating surface (23S) that is inclined in a direction extending upward from the clip center (SS) corresponding to the one inclined seating surface (11S). When the panel (P) is attached to the panel attachment surface (1), the clip support portions (7 (C)) and the one inclined seat surface (11S) are slidably contacted with each other. Engaging the panel (P) with respect to the panel mounting surface (1) in the direction of the clip center and in a direction perpendicular thereto, thereby engaging the clip (21) with the clip hole (3). The panel (P) is held at a positioning position by engaging the locking piece (9) with the locking hole (5), and the locking piece (9) includes the one inclined seat. The locking hole (5) facing the same side as the surface (11S) Wherein the engaging portion to be engaged (9a) is formed, the panel mounting structure to the base material in the synthetic resin molded article.

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