JP2009208574A - Mount structure for instrument panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mount structure for an instrument panel that realize reduction in the number of parts and weight. <P>SOLUTION: In the mount structure for the instrument panel, the instrument panel 6 is positioned and fixed on a dash panel 1. In parts in the vicinity of both ends of the instrument panel 6 in a vehicle width direction, engaging protruding parts 13 is integrally provided to the instrument panel 6 as a warp prevention means for contacting and engaging with lower surfaces of protruding parts 4C and 5E provided on the dash panel 1. Accordingly, the instrument panel 6 can be prevented from warping even if the warp is caused by heat in the vehicle width direction, and the reduction in the number of parts and weight can be achieved because a dedicated bracket for mounting the instrument panel is not necessary. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an instrument panel mounting structure, and more particularly to a technique for preventing the vicinity of both ends in the vehicle width direction of an instrument panel from rising and warping from a dash panel.

Patent Document 1 discloses a positioning structure for attaching an instrument panel to a dash panel. In the positioning structure described in Patent Document 1, a plurality of dedicated brackets are attached to the dash panel, and a pair of elastically displaceable legs that are screwed to the upper rear surface of the instrument panel are provided in the positioning holes formed in the dedicated bracket. By inserting the panel connecting member, the instrument panel is positioned with respect to the dash panel.
JP-A-5-85227

  However, in the technique described in Patent Document 1, since a plurality of dedicated brackets are used separately from the dash panel, the cost increases and the weight increases due to the addition of dedicated parts.

  Then, an object of this invention is to provide the instrument panel mounting structure which implement | achieves reduction of a number of parts, and weight reduction.

  In the instrument panel mounting structure of the present invention, the warp preventing means that engages the dash panel and prevents the warpage of the instrument panel in the vehicle width direction is provided in the vicinity of both ends of the instrument panel in the vehicle width direction. Provided integrally with the panel.

  According to the instrument panel mounting structure of the present invention, since the warp preventing means is provided integrally with the instrument panel in the vicinity of both ends in the vehicle width direction of the instrument panel, there is no need to provide a dedicated bracket on the dash panel, It becomes possible to engage with the dash panel by the warp preventing means provided integrally with the instrument panel. This eliminates the need for a dedicated bracket, reducing the number of dedicated parts and reducing the weight.

  Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings.

“First Embodiment”
1 is a perspective view showing an instrument panel mounting structure according to the first embodiment, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 3 is a cross-sectional view taken along line BB in FIG.

  As shown in FIGS. 1 and 2, the dash panel 1 includes a dash upper panel 2 and an air box 3 provided on the upper portion of the dash upper panel 2.

  The air box 3 serves as an air supply path for supplying conditioned air blown from the air conditioner or outside air introduced from the front of the vehicle to the inside of the vehicle, and is a box component formed at the upper part of the dash upper panel 2. 4 (4A to 4C) and a box configuration panel 5 (5A to 5E) that forms a box shape with the box configuration portion 4.

  The box component portion 4 is formed so as to extend from the upper end of the dash upper panel 2 to the rear of the vehicle indicated by the arrow M1 in FIG. 1, and to stand upward from the tip of the first protrusion 4A. And a second projecting portion 4C formed to extend rearward from the tip of the standing portion 4B. The box constituent part 4 constituted by these parts is formed over the entire vehicle width direction indicated by the arrow M2 in FIG. The box component 4 is formed integrally with the dash upper panel 2 as a part of the dash upper panel 2 formed from a single metal plate.

  The box constituting panel 5 includes a flange-shaped first projecting portion 5A coupled to the first projecting portion 4A of the box constituting portion 4, a standing portion 5B that stands up from the first flange portion 5A, and the standing portion. A top plate portion 5C formed to extend obliquely upward from the front end of the vehicle 5B, a hanging portion 5D formed to be bent downward from the front end of the top plate portion 5C, and a vehicle from the lower end of the hanging portion 5D. And a flange-shaped second protrusion 5E formed to extend rearward.

  The box constituting panel 5 composed of each of these parts fixes and fixes the first protruding part 5A on the first protruding part 4A of the box constituting part 4 and also fixes the second protruding part 5E to the second of the box constituting part 4. By superimposing and fixing on the projecting portion 4C, the air box 3 constituting the flow path for circulating the conditioned air and the outside air is constructed. The joint part of the box constituent panel 5 and the box constituent part 4 is fixed by fastening means by spot welding, for example.

  The air box 3 is provided with positioning pins 7 which are locating pins for positioning the instrument panel 6 with respect to the dash panel 1. The positioning pin 7 has a base end portion fixed to a hanging portion 5D constituting the box constituting panel 5 and has a tip portion protruding rearward of the vehicle. Such positioning pins 7 are provided in the vehicle width direction center portion of the box constituting panel 5 and in the vicinity of both ends in the vehicle width direction, respectively, and are provided at a total of three locations. The positioning pin 7 is fixed by being welded to the hanging portion 5D.

  The instrument panel 6 has a three-layer structure including a skin 8 serving as an outer surface, a foam layer 9 serving as an intermediate layer, and a core member 10 serving as an outer back surface. The foam layer 9 is made of a soft resin having bubbles inside, and functions as a buffer portion at the time of collision. The skin 8 and the core material 10 are both made of resin, and the core material 10 that is the back surface is formed of a hard resin compared to the skin 8 that is the surface.

  The instrument panel 6 is provided with a locate bracket 12 having a pin insertion hole 11 into which the positioning pin 7 is inserted. The locate bracket 12 is provided at a position corresponding to each positioning pin 7 and is formed integrally with the core member 10. The relative position between the instrument panel 6 and the dash panel 1 is determined by inserting the positioning pins 7 into the pin insertion holes 11 provided in the locate bracket 12. The instrument panel 6 is fixed to the dash panel 1 with bolts and nuts (not shown).

  In the present embodiment, the instrument panel is provided with a warp preventing means that engages the dash panel 1 and prevents the instrument panel 6 from warping in the vehicle width direction in the vicinity of both ends in the vehicle width direction of the instrument panel 6. 6 are provided integrally.

  As shown in FIG. 3, the warp preventing means is in contact with the lower surface of the second combined projections 4 </ b> C and 5 </ b> E that extend from the dash panel 1 to the rear of the vehicle and is near both ends in the vehicle width direction of the instrument panel 6. It consists of the engaging protrusion 13 which suppresses the lifting of the part.

  The engaging protrusion 13 is provided on the outer side of the locate bracket 12 provided on both ends in the vehicle width direction. The engaging protrusion 13 is formed by a vertical portion 13A extending from the core member 10 as indicated by an arrow M3 in FIG. 3 to the vehicle lower side, and an extending portion 13B extending from the tip of the vertical portion 13A toward the vehicle front indicated by an arrow M4 in FIG. Is formed. The engaging protrusion 13 is formed integrally with the core member 10 in the same manner as the locate bracket 12 described above.

  In the instrument panel mounting structure of the present embodiment, the extending portion 13B of the engaging protrusion 13 abuts on the lower surface of the second bonded portions 4C and 5E that are part of the air box 3 and that are part of the air box 3. By engaging, even when the instrument panel 6 warps upward in the vehicle width direction in the direction indicated by the arrow L in FIG. 1 due to aging deterioration due to a change in the temperature inside the vehicle due to heat, the extending portion 13B becomes the second protruding portion 4C. Since it is engaged with 5E, it is possible to prevent the instrument panel from being lifted upward at both ends of the vehicle.

  According to the present embodiment, since the warp preventing means is provided integrally with the instrument panel 6, there is no need to separately prepare a dedicated bracket (dedicated part) for warping prevention, and the number of parts can be reduced. Weight reduction can be achieved.

  Further, according to the instrument panel mounting structure of the present embodiment, the instrument panel 6 is in the vehicle width direction in contact with the lower surface of the protrusions (second protrusions 4C, 5E) extending from the dash panel 1 to the rear of the vehicle. Since the engagement protrusion 13 that suppresses the lifting in the vicinity of both ends is used as a warp prevention means, a simple structure is obtained without using parts such as a dedicated bracket, and a dedicated bracket without using a coupling means using bolts and nuts. It is possible to eliminate the coupling work.

“Second Embodiment”
FIG. 4 is a cross-sectional view corresponding to the position of line BB in FIG. 1 showing the warp preventing means of the second embodiment.

  In the second embodiment, the vertical portion 13 </ b> A and the extension portion 13 </ b> B of the engagement protrusion 13 are further lengthened, and the extension portion 13 </ b> B constitutes a part of the box component part 4 of the air box 3. By abutting against the lower surface of 4A, lifting of the vicinity of both ends in the vehicle width direction of the instrument panel 1 is suppressed.

  Even in the second embodiment, similarly to the first embodiment, even when both ends in the vehicle width direction of the instrument panel 6 warp upward due to aged deterioration due to the temperature change in the vehicle due to heat, The upward lifting can be prevented.

  Although specific embodiments to which the present invention is applied have been described above, the above-described embodiments are merely examples of the present invention and are not limited to the above-described embodiments.

FIG. 1 is a perspective view showing an instrument panel mounting structure according to the first embodiment. 2 is a cross-sectional view taken along line AA in FIG. 3 is a cross-sectional view taken along line BB in FIG. FIG. 4 is a cross-sectional view corresponding to the position of line BB in FIG. 1 showing the warp preventing means of the second embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Dash panel 2 ... Dash upper panel 3 ... Air box 4 ... Box component 4A ... The 1st protrusion part (protrusion part) of a box component
4C ... the second protrusion (protrusion) of the box component
5 ... Box configuration panel 5E ... Second projection (projection) of box configuration panel
6 ... Instrument panel 7 ... Positioning pin 10 ... Core material 11 ... Pin insertion hole 12 ... Locate bracket 13 ... Engagement protrusion

Claims (2)

In the instrument panel mounting structure where the instrument panel is positioned and fixed to the dash panel,
At least in the vicinity of both ends in the vehicle width direction of the instrument panel, a warp preventing means that engages with the dash panel and prevents the warpage of the instrument panel in the vehicle width direction is integrated with the instrument panel. Instrument panel mounting structure characterized in that it is provided. The instrument panel mounting structure according to claim 1,
The warpage prevention means includes an engagement protrusion that abuts a lower surface of a protrusion extending from the dash panel toward the rear of the vehicle to suppress lifting in the vicinity of both ends in the vehicle width direction of the instrument panel. Instrument panel mounting structure.

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