JP2010023749A - Vehicular instrument panel upper surface support structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular instrument panel upper surface support structure capable of performing a high accurate supporting operation, while avoiding an increase in number of component parts and their assembling steps. <P>SOLUTION: In a vehicular instrument panel upper surface support structure, in which a pair of supporting pieces 31 for use in supporting both side end edges of the upper surface part of an instrument panel 1 are protruded opposite at a pair of cowl side panels 3 which are arranged on both sides of an instrument panel 2, wherein the support pieces 31 are extended out from a connected edge 3a with a front pillar 4 at the upper ends of the cowl side panels and integrally constituted, with the cowl side panels 3 at one part being folded in a substantially horizontal manner inside the compartment of a vehicle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an instrument panel upper surface portion support structure for a vehicle, and more particularly to a support structure for both side edges of an instrument panel upper surface portion.

  The instrument panel disposed in the foremost part of the passenger compartment is composed of a relatively large resin molded product extending over the entire width of the passenger compartment, and a plurality of instrument panels extending from a steering support member extending in the vehicle width direction inside the instrument panel. While being supported and fixed to the bracket, the front end portion of the upper surface of the instrument panel is configured to be locked to a cowl top panel (dash upper panel) disposed on the upper portion of the dash panel along the lower end of the front window ( Patent Document 1).

  By the way, in a vehicle or the like having a front window with a large inclination, the upper surface portion of the instrument panel is extended forward, so it is advantageous to have some support structure in which both side portions of the upper surface portion are supported on the vehicle body side. is there. Therefore, in Patent Document 1, an L-shaped bracket is welded and fixed to a cowl side panel (dash side panel) disposed on both sides of the dash panel, and both sides of the upper surface of the instrument panel are supported by the bracket. It is said.

  However, with such a support structure, a separate L-shaped bracket is welded and fixed to the cowl side panel, which increases the number of parts and assembly man-hours, and makes it difficult to ensure dimensional accuracy. It may be difficult to secure a space for fixing the L-shaped bracket to the side by welding. Furthermore, since the engaging portions on both sides of the upper surface of the instrument panel are provided on the lower surface side, there is a problem that the position of the engaging portion cannot be confirmed during assembly.

Japanese Patent No. 3722513

  The present invention has been made in view of such a state of the prior art, and the object thereof is an upper surface portion of an instrument panel for a vehicle that can support with high positional accuracy while avoiding an increase in the number of parts and assembly man-hours. It is to provide a support structure.

  In order to solve the above-mentioned problems of the prior art, the present invention provides a pair of support pieces for supporting both side edges of the upper surface of the instrument panel on a pair of cowl side panels disposed on both sides of the dash panel. In the instrument panel upper surface portion support structure formed by projecting from each other, the support piece extends from the joint edge with the front pillar at the upper end of the cowl side panel and is bent substantially horizontally toward the vehicle interior side. It is characterized by being integrally formed with the cowl side panel.

  In a preferred aspect of the present invention, along the front edge and the rear edge of the support piece at the front and rear in the vehicle front-rear direction of the supported surface of the both-side edge portions of the instrument panel supported by the support piece. A stepped portion or an inclined portion is provided. Further, the supported surface is provided in an overhanging portion that protrudes from the joint portion between the upper surface of the instrument panel and the lower end of the pillar trim that covers the vehicle interior side surface of the front pillar to the back surface side of the pillar trim. ing. Further, the overhanging portion overhangs a joint portion at the lower end of the pillar trim, and the supported surface is disposed at a higher position than the upper surface portion of the instrument panel.

Further, in a further preferred aspect of the present invention, the instrument panel is configured to be attached to the vehicle body side in a state in which the instrument panel is assembled in advance to a steering support member extending in the vehicle width direction. The support member is configured to be positioned at an attachment portion of the cowl side panel by engaging guide grooves provided in brackets at both ends thereof with guide pins of the cowl side panel.
The inclined portion of the instrument panel disposed in front of the supported surface in the vehicle front-rear direction is oriented substantially parallel to the guide groove.

  In the present invention, as described above, the pair of support pieces (31) for supporting both side edge portions of the upper surface portion of the instrument panel is extended from the joint edge (3a) with the front pillar at the upper end of the cowl side panel. And since it is integrally configured with a piece that is bent substantially horizontally on the vehicle interior side, the support piece can be formed simultaneously with the press molding of the cowl side panel, and there is no need to prepare the support piece as a separate part. Increase in the number of parts and assembly man-hours can be avoided. In addition, a space for welding the support pieces and fixing the support pieces by welding is unnecessary, and a support structure with high positional accuracy using a support piece having high strength and high dimensional accuracy can be configured at low cost.

  In the present invention, steps along the front edge and the rear edge of the support piece on the front and rear sides in the vehicle front-rear direction of the supported surface (11) of the both side edges of the instrument panel supported by the support piece. In the aspect in which the portion or the inclined portion (11a, 11b) is provided, it is possible to regulate the front and rear direction of both side edge portions on the upper surface of the instrument panel, although the assembling work is easy. Further, the inclined portion provided in front of the supported surface in the vehicle front-rear direction can also serve as a draft when the instrument panel is punched, which is advantageous in terms of formability.

  Further, in the present invention, the supported surface includes a back surface of the pillar trim from a joint portion (12) between a top surface of the instrument panel and a lower end of a pillar trim (5) that covers a surface of the front pillar on the vehicle interior side. In the aspect provided in the overhanging portion (11) projecting to the side, the assembly operation of the instrument panel can be easily performed while confirming the position of the supported surface from the upper surface side by the overhanging portion, In addition, since the overhanging portion is hidden behind the pillar trim after the pillar trim is attached, the appearance of both sides of the upper surface of the instrument panel is not impaired. In addition, even if both side portions of the top surface of the instrument panel are only placed on the support piece, the bottom of the pillar trim prevents floating, and the appearance of the joint portion between the pillar trim and the instrument panel can be improved. Furthermore, since the supported surface is disposed close to the cowl side panel by the overhanging portion, the extension amount of the support piece can be minimized, which is advantageous in securing support rigidity.

  Furthermore, in this invention, the said overhang | projection part protrudes upwards from the junction part of the said pillar trim lower end, and the said to-be-supported surface (11) is arrange | positioned in a position higher than the said instrument panel upper surface part (1). In the aspect, the visibility of the projecting portion from the upper surface side of the instrument panel is further improved, and the assembly work is further facilitated, and the both sides of the upper surface of the instrument panel are supported suspended from the supported surface. According to the configuration, the load applied to the supported surface is distributed in the front-rear direction along the side edge portion, and there is an advantage that stress concentration on both side edge portions of the upper surface of the instrument panel can be reduced.

  In a further preferred aspect of the present invention, the instrument panel (1) is attached to the vehicle body side in a state where the instrument panel (1) is assembled in advance to a steering support member (6) extending in the vehicle width direction. The steering support member is attached to the cowl side panel by engaging guide grooves (72) provided in brackets (7) at both ends thereof with guide pins (32) of the cowl side panel. The inclined portion (11a) disposed in front of the supported surface of the instrument panel in the vehicle front-rear direction is substantially parallel to the guide groove (72). Because it is oriented, the assembly of the instrument panel and steering support member by engaging the guide groove with the guide pin By attaching to the vehicle body, the supported surface on the top surface of the instrument panel can be engaged with the support piece, so that the assembly is good and the supported surface on the top surface of the instrument panel is supported independently. It is possible to prevent overload on the supported surface (projected portion) due to contact or collision with the piece.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded perspective view showing an instrument panel 1 disposed on the front surface in a vehicle compartment and peripheral parts related to a structure for mounting the instrument panel 1 on a vehicle body. In the figure, an instrument panel 1 includes a dash panel 2 that serves as a partition between an engine room and a vehicle interior, and a pair of left and right sides that are disposed on the vehicle rear side at both ends in the vehicle width direction and that form part of the side walls in the vehicle interior. It is attached so as to be fitted in a space surrounded by the cowl side panels 3 and 3. A pillar panel 4 forming a structural surface on the vehicle interior side of the front pillar is joined to the upper end of each cowl side panel 3 by welding or the like, and a pillar trim 5 is attached to each interior side.

  The instrument panel 1 is attached to the vehicle body via a steering support member 6 that extends in the vehicle width direction and is assembled in advance. Member brackets 7 and 7 are fixed to both ends of the steering support member 6. The member brackets 7 and 7 have upper and lower mounting holes 73 and 73, respectively, as shown in FIGS. The weld nuts 74 and 74 are welded and fixed to the back surfaces of the mounting holes 73 and 73, and two upper and lower guide grooves 72 and 72 are adjacent to the mounting holes 73 and 73. Notches are formed.

  On the other hand, two upper and lower mounting holes 33 and 33 are formed in corresponding portions of the left and right cowl side panels 3 and 3, respectively, and two upper and lower guide pins are adjacent to the mounting holes 33 and 33. 32 and 32 are protrudingly provided. As shown in FIG. 7, a reinforcing reinforcement 30 is joined to the attachment portion of the cowl side panel 3, and the attachment hole 33 is penetrated by the cowl side panel 3 and the reinforcement 30, and A spacer 33b is interposed between them.

  Then, the guide grooves 72 and 72 of the member brackets 7 and 7 are engaged with the guide pins 32 and 32 of the cowl side panels 3 and 3, and the mounting holes 73 and 73 are attached to the mounting holes 33 and 33 of the cowl side panels 3 and 3. The steering support member 6 is fixed to the left and right cowl side panels 3 and 3 by screwing and fastening the bolts 34 and 34 inserted through the mounting holes 33 and 33 to the weld nuts 74 and 74 in the state where the steering support member 6 is positioned. .

  As a result, the instrument panel 1 is supported by the vehicle body via the steering support member 6, and further, the vehicle body is mounted at several locations such as the front end of the upper surface of the instrument panel 1 and the lower end of the front part where the instruments are arranged. The panel is positioned and fixed with a fastening member, a locking member, or the like. Among these, the front end portion of the instrument panel 1 shown in FIG. 1 has a locking portion (not shown) provided on the lower surface side of the instrument panel 1 and a locking member of a cowl top panel (not shown) disposed on the upper portion of the dash panel 2. They are positioned or fixed with respect to the dash panel 2 by screwing with a fastening member such as a screw.

  Further, as shown in FIG. 1, support pieces 31, 31 are provided so as to protrude from the upper ends of the cowl side panels 3, 3, and the support pieces 31, 31 are attached to the support pieces 31, 31 in the mounted state of the instrument panel 1. The both edge portions (11, 11) of the upper surface portion of the instrument panel 1 are placed and supported by the support pieces 31, 31.

  As shown in FIGS. 2 and 3, the support pieces 31, 31 are substantially horizontal with a piece extending upward from a joint edge 3 a with the cowl side panel 3 and the pillar panel 4 at the upper end toward the vehicle interior side. It is bent and formed. That is, it is configured integrally with the cowl side panel 3 and can be formed at the same time as the cowl side panel 3 is press-molded.

  On the other hand, projecting portions 11 and 11 projecting from the upper surface to both sides are provided at both side edge portions of the upper surface of the instrument panel 1 corresponding to the support pieces 31 and 31 as shown in FIG. Moreover, the lower surfaces of the overhang portions 11 and 11 are supported surfaces (horizontal surfaces) supported by the support pieces 31 and 31.

  As shown in FIGS. 2 to 5, the overhanging portion 11 overhangs the fitting groove 12 to which the lower end 5 a of the pillar trim 5 is joined and projects to the back surface side of the pillar trim 5, that is, to the pillar panel 4 side. Projecting upward from the upper surface of the panel 1. An inclined portion 11a having a relatively gentle slope is formed on the front surface in the vehicle longitudinal direction of the supported surface (horizontal surface) of the overhang portion 11, and a steep slope portion 11b (step portion) is formed on the rear side. The overhanging portion 11 has a box shape that is open to the side and below, so that the rigidity of the forming portion formed integrally with the instrument panel 1 is sufficiently secured.

  The overhanging portion 11 configured as described above is placed on the support piece 31, and its position in the front-rear direction is regulated by the inclined portions 11 a and 11 b, so that the upper surface of the instrument panel 1 with respect to the vehicle body The positional accuracy in the front-rear direction of both ends can be improved. In addition, although the supported surface itself is arranged on the hidden surface side, the protruding shape of the overhanging portion 11 makes it easy to grasp the position of the supported surface from the front side and the upper surface side of the instrument panel 1 during assembly. The support pieces 31 can be reliably engaged with the support pieces 31.

  Further, if the pillar trim 5 is attached after the instrument panel 1 is assembled, the overhanging portion 11 is hidden on the back side thereof, so that the overhanging portion 11 protruding upward does not cause a problem in appearance. Furthermore, the both ends of the upper surface of the instrument panel 1 are pressed by the lower end 5a of the pillar trim 5, thereby preventing the overhanging portion 11 (supported surface) from being lifted from the support piece 31 and the accompanying noise being generated. There is also an advantage that the engagement with the piece 31 is stably maintained.

  The above-described assembly of the instrument panel 1 and the steering support member 6 to the vehicle body is not a simple movement in the front-rear direction, but as shown in FIG. Previously, the position in the front-rear direction is regulated by the engagement between the guide pin 32 and the guide groove 72. Therefore, the inclined portion 11a on the front side of the overhanging portion 11 is oriented parallel to the guide groove 72, or is oriented at a slightly gentle inclination angle, so that the guide pin 32 is located at the deepest portion of the guide groove 72. The support piece 31 is guided to the supported surface of the overhanging portion 11 by the inclined portion 11a by moving in the same direction as being guided, and can be smoothly assembled, and the support piece 31 and the overhanging portion 11 Can be prevented and the overhanging portion 11 can be prevented from being damaged.

  As shown in FIG. 7, the regulation of the instrument panel 1 and the steering support member 6 in the vehicle width direction during assembly is such that the member bracket 7 and the fastening seats (mounting holes 73, 33) of the cowl side panel 3 are gently connected to each other. By projecting to, the movement in the assembling direction is performed immediately before the final assembling position. Therefore, as shown in FIG. 6, the overhanging portion 11 is obliquely oriented along the side end portion 1a of the upper surface of the instrument panel 1, thereby corresponding to the position restriction in the vehicle width direction during the assembly. Thus, the position of the overhanging portion 11 with respect to the support piece 31 in the vehicle width direction is also restricted.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made based on the technical idea of the present invention.

It is a disassembled perspective view which shows the peripheral component which concerns on the instrument panel concerning the embodiment of this invention, and its attachment structure to a vehicle body. It is a principal part disassembled perspective view which shows the attachment process to the vehicle body of the instrument panel concerning this invention embodiment. It is a principal part perspective view which shows the instrument panel upper surface part support structure concerning embodiment of this invention. It is a principal part side view which shows the attachment process to the vehicle body of the instrument panel concerning this invention embodiment. It is AA sectional drawing of FIG. It is a principal part top view which shows the instrument panel upper surface part support structure concerning this invention embodiment. It is BB sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Instrument panel 2 Dash panel 3 Cowl side panel 3a Joint edge 4 Pillar panel 5 Pillar trim 6 Steering support member 7 Member bracket 11 Overhang | projection part (supported surface)
11a, 11b Inclined part (step part)
12 Fitting groove (joint)
31 Supporting piece 32 Guide pin 33 Mounting hole 34 Bolt 72 Guide groove 73 Mounting hole 74 Weld nut

Claims (5)

In an instrument panel upper surface support structure in which a pair of support pieces for supporting both side edge portions of an instrument panel upper surface portion are provided oppositely to a pair of cowl side panels disposed on both sides of the dash panel. ,
The support piece is formed integrally with the cowl side panel at a piece extending from a joint edge with the front pillar at the upper end of the cowl side panel and bent substantially horizontally toward the vehicle interior side. An instrument panel upper surface support structure for a vehicle.   Stepped portions or inclined portions are provided along the front and rear edges of the support piece at the front and rear in the vehicle front-rear direction of the supported surfaces of the both side edge portions of the instrument panel upper surface supported by the support piece. The vehicle instrument panel upper surface portion support structure according to claim 1, wherein the vehicle instrument panel upper surface portion support structure is provided.   The supported surface is provided in an overhanging portion that protrudes to the rear surface side of the pillar trim from a joint portion between the upper surface of the instrument panel and the lower end of the pillar trim that covers the vehicle interior side surface of the front pillar. The vehicle instrument panel upper surface support structure according to claim 2, wherein:   4. The vehicle according to claim 3, wherein the projecting portion projects upward from a joint portion at a lower end of the pillar trim, and the supported surface is disposed at a position higher than an upper surface portion of the instrument panel. Instrument panel upper surface support structure. The instrument panel is configured to be attached to a vehicle body side in a state of being assembled in advance to a steering support member extending in the vehicle width direction therein, and the steering support members are provided on brackets at both ends thereof. The guide groove is configured to be positioned at an attachment site of the cowl side panel by engaging with a guide pin of the cowl side panel.
The inclined portion of the instrument panel, which is disposed in front of the supported surface in the vehicle front-rear direction, is oriented substantially parallel to the guide groove. An instrument panel upper surface support structure according to the item.

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