JP2010083155A - Fixing structure of vehicle instrument panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fixing structure of a vehicle instrument panel suppressing reduction of the rigidity as the entire instrument panel by a simple constitution even when the length of the instrument panel in the longitudinal direction of a vehicle is large. <P>SOLUTION: A resin-made instrument panel has a front panel 10 and a rear panel 20 arranged on the rear side of the vehicle from the front panel 10. The front panel 10 and the rear part 20 are located at the highest parts of the instrument panel in each vertical direction. An air-conditioning duct 40 fixed to a vehicle body is provided below the front panel 10 and the rear panel 20 in the vertical direction. The front panel 10 and the rear panel 20 are directly fixed to the duct 40, respectively. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is a resin instrument panel, and includes a front panel and a rear panel disposed on the vehicle rear side of the front panel, and the front panel and the rear panel are the same in the vertical direction. The present invention relates to a fixing structure for an instrument panel for a vehicle located at the top of the instrument panel.

The vehicle is provided with an instrument panel for arranging instruments and the like. In addition, in order to make it easy to fix the instrument panel to the vehicle body, an instrument panel integrally molded with resin has been conventionally used. As such an instrument panel, there is an instrument panel that includes an upper surface portion located at the uppermost portion thereof, a curved surface portion that is connected to the vehicle rear side portion of the upper surface portion, curves from the connection portion, and is directed to the vehicle front side. .
JP 2007-269231 A

  By the way, when the longitudinal length of the instrument panel is increased due to the layout of the vehicle, it is difficult to integrally mold the instrument panel due to the restriction of die cutting during resin molding. Also, even if the instrument panel can be integrally molded, it is difficult to provide reinforcing ribs of an appropriate size on the back surface of the instrument panel due to die cutting restrictions during resin molding. Therefore, a new problem such as a reduction in the rigidity of the instrument panel occurs.

  In order to solve such a problem, a vehicle instrument panel fixing structure described in Patent Document 1 has been proposed. In the structure described in Patent Document 1, the instrument panel is divided into a front panel, a rear panel disposed on the vehicle rear side with respect to the front panel, and a lower component provided below the rear panel. is doing. Also, the rear panel is fixed to the vehicle body by fixing the rear panel to the lower component with a clip or the like, and further fixing the lower component to an air conditioning duct provided on the lower side. . However, in the conventional instrument panel fixing structure including the one described in Patent Document 1, the structure of the instrument panel is complicated, or the rear panel is interposed via an intermediate member such as a lower component. The problem is that the rigidity of the entire instrument panel is reduced due to being fixed to the duct, and there is still room for improvement.

  The present invention has been made in view of such circumstances, and the purpose thereof is to suppress a decrease in rigidity of the entire instrument panel with a simple configuration even when the length of the instrument panel in the vehicle front-rear direction is large. An object of the present invention is to provide a vehicle instrument panel fixing structure that can be used.

Hereinafter, means for solving the above-described problems and the effects thereof will be described.
(1) The invention described in claim 1 is a resin instrument panel, and includes a front panel and a rear panel disposed on the vehicle rear side of the front panel, the front panel and the rear panel. In the fixing structure of the vehicle instrument panel positioned at the uppermost part of the instrument panel in each vertical direction, the air conditioning duct fixed to the vehicle body is vertically below the front panel and the rear panel. The gist is that each of the front panel and the rear panel is directly fixed to the duct.

  According to this configuration, since the front panel and the rear panel are directly fixed to the duct, for example, at least one of the front panel and the rear panel is fixed to the duct via an intermediate member that is a separate member from the duct. In other words, the rigidity of each panel can be preferably increased as compared with the case where it is indirectly fixed to the duct. Therefore, even if the length of the instrument panel in the vehicle front-rear direction is large, the rigidity of the instrument panel as a whole can be suppressed from being reduced with a simple configuration.

  (2) The invention according to claim 2 is the vehicle instrument panel fixing structure according to claim 1, wherein the front panel and the rear panel are integrated with each other over the entire vehicle width direction of the instrument panel. Its gist is that it is formed.

  If the front panel and the rear panel are integrally formed over the entire vehicle width direction of the instrument panel, the rigidity of each panel is likely to be low, and the rigidity of the instrument panel as a whole is also likely to be low. In this regard, if the invention of claim 1 is applied, the rigidity of each panel can be suitably increased, and the front panel and the rear panel are thus integrally formed over the entire vehicle width direction of the instrument panel. Even in such a case, the rigidity of the entire instrument panel can be suitably increased.

  (3) The invention described in claim 3 is the vehicle instrument panel fixing structure according to claim 1 or 2, wherein the front panel is fixed directly to the duct in the vehicle width direction. The gist is to have a plurality of parts.

  According to this configuration, since there are a plurality of fixing portions in the vehicle width direction to which the front panel and the duct are directly fixed, the rigidity of the front panel in the vehicle width direction can be suitably increased.

  (4) The invention according to claim 4 is the vehicle instrument panel fixing structure according to any one of claims 1 to 3, wherein the rear panel is the duct in the vehicle width direction. The gist of the invention is to have a plurality of fixing portions that are directly fixed to the frame.

  According to this configuration, since there are a plurality of fixing portions in the vehicle width direction to which the rear panel and the duct are directly fixed, the rigidity of the rear panel in the vehicle width direction can be suitably increased. .

  (5) The invention according to claim 5 is the vehicle instrument panel fixing structure according to any one of claims 1 to 4, wherein the front panel is symmetrical in the vehicle width direction. It is the gist of presenting.

  According to the same configuration, for example, the arrangement position and shape of various instruments differ depending on the vehicle type, and even if the shape of the rear panel differs depending on the vehicle type due to this, a common member is used for the front panel. Will be able to.

  (6) According to a sixth aspect of the present invention, in the vehicle instrument panel fixing structure according to any one of the first to fifth aspects, the front panel has a substantially flat plate shape as a whole. The gist of that is.

  According to the same configuration, since the front panel has a substantially flat plate shape as a whole, when the front panel is resin-molded, if the die is cut along the direction perpendicular to the plane, It can be easy.

  (7) The invention according to any one of claims 1 to 6 is embodied in such a manner that the front panel is fixed to the duct by welding as in the invention according to claim 7. can do.

Further, for example, the front panel can be embodied in such a manner that the front panel is fixed to the duct by a fastening member.
(8) According to the seventh aspect of the present invention, as in the eighth aspect of the present invention, the surface of the front panel facing the duct is formed with a protruding portion that protrudes toward the duct. The embodiment can be embodied in such a manner that the tip end portion of the protruding portion is a welding allowance that is welded to the duct. In this case, in particular, according to the invention described in claim 6, if the front panel has a substantially flat plate shape as a whole, the mold can be easily removed from the front panel by molding. It is also possible to easily form the protruding portion. Accordingly, a welding allowance for welding the front panel and the duct can be easily formed.

  (9) The invention according to claim 9 is the structure for fixing an instrument panel for a vehicle according to claim 8, wherein the protrusion is a rib for extending along the surface of the front panel to reinforce it. The gist of that is.

  According to this configuration, since the tip of the rib for reinforcing the front panel is used as a welding allowance, there is no need to provide a protrusion for the welding allowance separately from the rib, and the structure of the front panel is simplified. It can be.

Hereinafter, with reference to FIGS. 1-4, one Embodiment of the fixing structure of the instrument panel for vehicles (henceforth "instrument panel") based on this invention is described in detail.
In FIG. 1, the perspective structure of the instrument panel of this embodiment is shown.

  As shown in FIG. 1, the resin instrument panel includes a front panel 10 and a rear panel 20 disposed on the vehicle rear side with respect to the front panel 10. The front panel 10 and the rear panel 20 are positioned at the uppermost part of the instrument panel in the respective vertical directions, and are integrally formed over the entire vehicle width direction of the instrument panel. The front panel 10 has a substantially flat plate shape as a whole and has a symmetrical shape in the vehicle width direction. Although not shown in FIG. 1, the front panel 10 is appropriately provided with speaker garnishes and air outlet ducts 40 for air conditioning in a symmetrical manner. Further, the rear panel 20 extends to the rear side of the vehicle and is connected to the upper surface portion 20A located at the uppermost portion of the instrument panel and the vehicle rear side portion of the upper surface portion 20A. And a curved surface portion 20B oriented toward the surface. Further, a hood portion 25 that protrudes upward in the vertical direction is provided on the right side of the rear panel 20 with respect to the center in the vehicle width direction so that instruments provided therein can be visually recognized through the opening 25A of the hood portion 25. It has become. Although not shown in FIG. 1, the rear panel 20 is appropriately provided with a steering wheel mounting portion, an air-conditioning duct outlet, and the like.

Next, the fastening mode of the front panel 10 and the rear panel 20 will be described with reference to FIG.
FIG. 2 shows a cross-sectional structure of the front panel 10 and the rear panel in the vehicle front-rear direction.

  As shown in FIG. 2, a fastening portion 11 protruding downward in the vertical direction is provided at the vehicle rear side end portion of the front panel 10. A fastening portion 21 that protrudes in the vertical direction is provided at the vehicle front side end portion of the rear panel 20. And the screw 31 is inserted in the screw hole 11A and the screw hole 21A which were formed in these fastening parts 11 and 21, respectively. Thus, the front panel 10 and the rear panel 20 are fastened. A plurality of such fastening portions 11 and 21 are provided in the vehicle width direction.

Next, with reference to FIG. 3, the positional relationship of the fixed part to which the front panel 10 and the rear panel 20 and the air conditioning duct 40 are directly fixed will be described with reference to FIG.
As indicated by broken lines in FIG. 3, an air conditioning duct (hereinafter, “duct 40”) is provided below the front panel 10 and the rear panel 20 in the vertical direction. The duct 40 includes a plurality of ducts 41L that respectively connect a plurality of air outlets 16C, 26L, 26R, 27L, 27R, 28L, and 28R formed on the front panel 10 and the rear panel 20 to an air conditioner unit (not shown). , 41R, 42L, 42R, 43, 44L, 44R.

  Specifically, an air outlet 16C for a center defroster is formed in the center of the front panel 10 in the vehicle width direction and on the vehicle front side, and a center defroster duct 43 is connected to the air outlet 16C.

  A left defroster outlet 26L is formed on the left side of the rear panel 20 and on the front side of the vehicle. A left defroster duct 42L is connected to the outlet 26L. The left defroster duct 42L is provided in such a manner that the left side defroster duct 42L extends to the left side of the vehicle at the center of the front panel 10 in the longitudinal direction of the vehicle, and bends at the left end of the front panel 10 and extends to the rear side of the vehicle.

  Further, a right defroster outlet 26R is formed on the right side of the rear panel 20 on the vehicle front side, and a right defroster duct 42R is connected to the outlet 26R. The right defroster duct 42R is provided in such a manner that the right side defroster duct 42R extends to the right side of the vehicle at the center in the vehicle front-rear direction and is bent at the right end of the front side panel 10 to extend to the rear side of the vehicle.

  A left register outlet 27L is formed on the vehicle left side of the rear panel 20 on the vehicle rear side, and a left register duct 41L is connected to the outlet 27L. The left register duct 41L extends in the vehicle left-right direction center of the front panel 10 and is provided in such a manner that it is bent at the left end of the front panel 10 and extends toward the vehicle rear side.

  Further, a right register outlet 27R is formed on the right side of the rear panel 20 on the vehicle rear side, and a right register duct 41R is connected to the outlet 27R. The right register duct 41R is provided in such a manner that it extends to the right side of the vehicle at the vehicle front-rear direction center of the front panel 10 and bends at the right end of the front panel 10 to extend to the vehicle rear side.

  Further, center register air outlets 28L and 28L are respectively formed in the center of the rear panel 20 in the vehicle width direction and in the vehicle longitudinal direction, and the center register ducts are respectively formed in the air outlets 28L and 28R. 44L and 44R are connected.

  Here, the front panel 10 has a plurality of fixing portions F5 to F11 that are directly fixed to the ducts 42L, 42R, and 43 in the vehicle width direction. The rear panel 20 includes a plurality of fixing portions F1 to F4 that are directly fixed to the ducts 41L and 41R in the vehicle width direction. Here, these fixing portions F1 to F11 are provided symmetrically in the vehicle width direction. The air conditioner unit is fixed to the vehicle body with bolts or the like.

Next, with reference to FIG. 4, the fixing aspect of the front panel 10, the rear panel 20, and the duct 40 is demonstrated. 4 is a cross-sectional view taken along the line AA in FIG.
As shown in FIG. 4, a rib for projecting toward the duct 40 and extending along the above-mentioned surface is provided on the surface on the lower side in the vertical direction of the front panel 10, that is, the surface facing the duct 40. 12A is provided. The rib 12A has a substantially flat plate shape and is provided so as to extend in the vehicle front-rear direction. The rib 12A is provided with a columnar portion 13A that extends in the vertical direction and reinforces the rib 12A. A plurality of columnar portions 13A are provided in the vehicle front-rear direction so as to protrude from both surfaces of the rib 12A in the vehicle width direction. In addition to the ribs 12A illustrated in FIG. 4, a plurality of ribs are provided in the same manner as the ribs 12A across the vehicle width direction. Incidentally, at the time of resin molding of the front panel 10, the panel 10 is punched in the direction indicated by the arrow B in FIG.

  Further, a rib 22A is provided on the inner peripheral surface of the rear panel 20, that is, the surface facing the duct 40, and protrudes toward the duct 40 and extends along the inner peripheral surface to reinforce the rib 22A. Yes. The rib 22A has a substantially flat plate shape and is provided so as to extend in the vehicle front-rear direction and the vertical direction. Further, the rib 22A is provided with a columnar portion 23A for reinforcing the rib 22A by extending in the direction lower than the vertical direction in the direction C between the upper vertical direction and the rear of the vehicle. A plurality of columnar portions 23A are provided in the vehicle front-rear direction so as to protrude from both surfaces of the rib 22A in the vehicle width direction. In addition to the ribs 22A shown in FIG. 4, a plurality of ribs are provided in the same manner as the ribs 22A across the vehicle width direction. Incidentally, at the time of resin molding of the rear panel 20, the panel 20 is punched in the direction indicated by the arrow C in FIG.

  In the present embodiment, in the rib 12A of the front panel 10, the tip end portion 14A of the columnar portion 13A is formed so as to protrude vertically downward from other portions, and the tip end portion 14A is formed on the upper surface of the left defroster duct 42L. It is considered as a welding allowance for welding. As a result, the front panel 10 and the left defroster duct 42L are directly fixed. Further, in the rib 22A of the rear panel 20, the tip portion 24A of the columnar portion 13A is formed so as to protrude in the vertical downward direction in the arrow C direction from the other portions, and the tip portion 24A is on the left side. The welding allowance is to be welded to the upper surface of the register duct 41L. Thus, the rear panel 20 and the left register duct 41L are directly fixed.

According to the vehicle instrument panel fixing structure according to the present embodiment described above, the following operational effects can be obtained.
(1) An air conditioning duct 40 fixed to the vehicle body is provided below the front panel 10 and the rear panel 20 in the vertical direction, and the front panel 10 and the rear panel 20 are directly fixed to the duct 40, respectively. It was. Thereby, for example, each panel 10 is compared with a case where at least one of the front panel and the rear panel is fixed to the duct via an intermediate member which is a member different from the duct, that is, compared to a case where it is indirectly fixed to the duct. , 20 can be suitably increased. Therefore, even if the length of the instrument panel in the vehicle front-rear direction is large, the rigidity of the instrument panel as a whole can be suppressed from being reduced with a simple configuration.

  (2) The front panel 10 and the rear panel 20 are each integrally formed over the entire vehicle width direction of the instrument panel. If the front panel 10 and the rear panel 20 are integrally formed over the entire vehicle width direction of the instrument panel, the rigidity of the panels 10 and 20 tends to be low, and the rigidity of the instrument panel as a whole is also low. It tends to be low. In this regard, according to the present embodiment, the rigidity of the panels 10 and 20 can be suitably increased, and thus the front panel 10 and the rear panel 20 are integrally formed over the entire vehicle width direction of the instrument panel. Even in such a case, the rigidity of the entire instrument panel can be suitably increased.

  (3) The front panel 10 has a plurality of fixing portions F5 to F11 that are directly fixed to the duct 40 in the vehicle width direction. Thereby, the rigidity in the vehicle width direction of the front panel 10 can be suitably increased.

  (4) The rear panel 20 has a plurality of fixing portions F1 to F4 that are directly fixed to the duct 40 in the vehicle width direction. Thereby, the rigidity in the vehicle width direction of the rear panel 20 can be suitably increased.

  (5) The front panel 10 has a symmetrical shape in the vehicle width direction. Thereby, for example, even if the arrangement position and shape of various instruments differ depending on the vehicle type, and the shape of the rear panel 20 varies depending on the vehicle type due to this, a common member is used for the front panel 10. Will be able to.

  (6) The front panel 10 has a substantially flat plate shape as a whole. Thus, when the front panel 10 is resin-molded, it can be facilitated by performing die cutting along the direction perpendicular to the plane.

  (7) The front panel 10 is fixed to the duct 40 by welding. And the rib 12A which protrudes toward the said duct 40 is formed in the surface facing the duct 40 of the front side panel 10, and it is set as the welding allowance by which the front-end | tip part 14A of the said rib 12A is welded to the duct 40. did. As described above, since the front panel 10 has a substantially flat plate shape as a whole, it is easy to remove the mold at the time of resin molding, and a rib protruding from the front panel 10 can be easily formed. become. Therefore, a welding allowance for welding the front panel 10 and the duct 40 can be easily formed. In addition, since the front end portion 14A of the reinforcing rib 12A of the front panel 10 is used as a welding allowance, it is not necessary to provide a protruding portion for the welding allowance separately from the rib 12A, and the configuration of the front panel 10 is simplified. Can be.

  The vehicle instrument panel fixing structure according to the present invention is not limited to the configuration exemplified in the above-described embodiment, and can be implemented as, for example, the following modifications appropriately.

  In the above embodiment, the tip end portion 14A of the reinforcing rib 12A formed on the front panel 10 is the welding margin welded to the duct 40, but such a welding margin is provided separately from the rib 12A. Also good. That is, a protruding portion that protrudes toward the duct 40 may be provided separately from the rib 12A on the surface of the front panel 10 that faces the duct 40, and the tip of the protruding portion may be used as a welding allowance. Further, the rear panel 20 can be modified in the same manner as the front panel 10.

  In the above embodiment, the welding allowance is provided only on the front panel 10, but in addition to providing the welding allowance on the front panel 10, the duct 40 may be provided with a welding allowance. Moreover, it can replace with providing the welding margin in the front side panel 10, and can also be made to provide the welding margin in the duct 40. FIG. Further, the rear panel 20 can be modified in the same manner as the front panel 10.

  In the above embodiment, the front panel 10 is fixed to the duct 40 by welding. However, the fixing mode of the front panel 10 and the duct 40 is not limited to welding. As shown, the front panel 10 and the duct 40 may be fixed by fastening with screws 32. In this case, a protrusion 19 that protrudes toward the left defroster duct 42L is formed on the lower surface of the front panel 10, and an attachment piece 142 that extends toward the rear of the vehicle is provided on the outer peripheral surface of the duct 42L. Then, the protrusion 19 and the mounting piece 142 may be fastened by the screw 32. Further, the rear panel 20 and the duct 40 may be fixed by fastening with screws 33. In this case, a protrusion 29 protruding toward the left register duct 41L is formed on the lower surface of the rear panel 20, and an attachment piece 141 extending toward the rear of the vehicle is provided on the outer peripheral surface of the left register duct 41L. Then, the protrusion 29 and the attachment piece 141 may be fastened with the screw 33.

  In the above embodiment, the front panel 10 has a substantially flat plate shape as a whole, but the shape of the front panel is not limited to this, and may be appropriately selected according to the layout of the vehicle and the design of the instrument panel. Can be changed.

  As in the above-described embodiment, the front panel 10 has a symmetrical shape in the vehicle width direction, even if the shape of the rear panel 20 differs depending on the vehicle type, a common member for the front panel 10 It is desirable in order to be able to divert. However, in order to give priority to the layout of the vehicle and the design of the instrument panel, the front panel can be asymmetrical in the vehicle width direction.

  -The position of the fixing | fixed part F1-F4 of the rear side panel 20 and the duct 40 is not restricted to what was illustrated in the said embodiment, This can be changed suitably according to the shape etc. of a duct.

  -The position of fixing | fixed part F5-F11 of the front side panel 10 and the duct 40 is not restricted to what was illustrated in the said embodiment, This can be changed suitably according to the shape etc. of a duct.

  In the above embodiment, the front panel 10 and the rear panel 20 are illustrated as being integrally formed over the entire vehicle width direction of the instrument panel, but the front panel and the rear panel according to the present invention are not limited thereto. However, at least one of the front panel and the rear panel may be divided into a plurality of parts in the vehicle width direction of the instrument panel.

  In short, an air conditioning duct fixed to the vehicle main body is provided below the front panel 10 and the rear panel 20 in the vertical direction, and the front panel and the rear panel may be directly fixed to the duct.

The perspective view which shows schematic structure of an instrument panel about one Embodiment of the fixation structure of the instrument panel for vehicles which concerns on this invention. Sectional drawing which shows schematically the cross-sectional structure in the vehicle front-back direction of the front side panel and rear side panel in the embodiment. Schematic which shows the positional relationship of the duct for an air conditioning duct and the front side panel and rear side panel in the embodiment. AA sectional drawing of FIG. Sectional drawing which shows schematically the cross-sectional structure in the vehicle front-back direction of a front side panel and a rear side panel about the modification of the fixing structure of the instrument panel for vehicles which concerns on this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Instrument panel, 10 ... Front panel, 11 ... Fastening part, 11A ... Screw hole, 12A ... Rib, 13A ... Columnar part, 14A ... Tip part, 16C ... Air outlet, 19 ... Projection part, 20 ... Rear panel 20A ... upper surface portion, 20B ... curved surface portion, 21 ... fastening portion, 21A ... screw hole, 22A ... rib, 23A ... columnar portion, 24A ... tip portion, 25 ... hood portion, 25A ... opening portion, 26L, 26R, 27L 27R, 28L, 28R ... outlet, 29 ... protrusion, 31, 32, 33 ... screw, 40 ... duct, 41L ... left register duct, 41R ... right register duct, 42L ... left defroster duct, 42R ... right defroster duct 43A, center defroster duct, 44L, 44R, center register duct, 141, 142, mounting pieces.

Claims (9)

A resin-made instrument panel, comprising a front panel and a rear panel disposed on the rear side of the vehicle with respect to the front panel, and the front panel and the rear panel are arranged in the vertical direction of the instrument panel. In the vehicle instrument panel fixing structure located at the top,
An air conditioning duct fixed to the vehicle body is provided below the front panel and the rear panel in the vertical direction,
The front panel and the rear panel are directly fixed to the duct, respectively. The vehicle instrument panel fixing structure according to claim 1, wherein: The vehicle instrument panel fixing structure according to claim 1,
The front panel and the rear panel are each integrally formed over the entire vehicle width direction of the instrument panel. In the fixing structure of the vehicle instrument panel according to claim 1 or 2,
The said front panel has multiple fixing | fixed parts fixed directly to the said duct in the said vehicle width direction. The fixing structure of the instrument panel for vehicles characterized by the above-mentioned. In the fixed structure of the instrument panel for vehicles as described in any one of Claims 1-3,
The rear panel includes a plurality of fixing portions that are directly fixed to the duct in the vehicle width direction. In the fixation structure of the instrument panel for vehicles as described in any one of Claims 1-4,
The structure for fixing an instrument panel for a vehicle, wherein the front panel has a symmetrical shape in a vehicle width direction. In the fixing structure of the instrument panel for vehicles as described in any one of Claims 1-5,
The front panel has a substantially flat plate shape as a whole. A vehicle instrument panel fixing structure according to any one of the preceding claims. In the fixing structure of the instrument panel for vehicles as described in any one of Claims 1-6,
The front panel is fixed to the duct by welding. A structure for fixing an instrument panel for a vehicle. In the fixing structure of the vehicle instrument panel according to claim 7,
A vehicle is characterized in that a projecting portion projecting toward the duct is formed on a surface of the front panel facing the duct, and a tip portion of the projecting portion is used as a welding allowance to be welded to the duct. Instrument panel fixing structure. The vehicle instrument panel fixing structure according to claim 8,
The projecting portion is a rib that extends along the surface of the front panel and reinforces the same. The vehicle instrument panel fixing structure according to claim 1.

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