JP2017071232A - Vehicle body front structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle body front structure having high-support rigidity.SOLUTION: In the vehicle body front structure, both right and left ends (23, 23) of a dashboard upper (18) are connected to right and left damper bases (16), a hanger bracket (30) connected to a steering hanger (27) extends forward, a connection member (50) connected to a cross member (24) extends backward, the hanger bracket (30) and the connection member (50) are connected to each other while interposing a windshield lower support (19) and/or a dashboard lower (12).SELECTED DRAWING: Figure 1

Description

  The present invention relates to an improved vehicle body front structure.

  There is a technique disclosed in Patent Document 1 as a conventional technique related to a vehicle body front part structure.

  The vehicle body front part structure disclosed in Patent Document 1 relates to a steering hanger with increased support rigidity. A steering hanger for supporting the steering column extends in the vehicle width direction, and both left and right ends are fixed to the side of the vehicle body and supported by a support member raised from the center of the floor. Further, one end of a hanger bracket is joined to the steering hanger, and the other end of the hanger bracket is fixed to a panel that is provided above the dashboard and forms a part of the vehicle body.

  In general, it is preferable that the support rigidity of each component attached to the vehicle body is high, because the running performance and operability of the vehicle can be improved.

JP-A-63-53169

  An object of the present invention is to provide a vehicle body front structure having high support rigidity.

According to the first aspect of the present invention, the left and right damper bases respectively supporting the upper ends of the left and right dampers, the dashboard lower provided behind the damper bases and partitioning the front of the vehicle compartment, and the upper ends of the dashboard lowers A dashboard upper that extends forward from the cross member, a cross member that reinforces the dashboard upper and extends in the vehicle width direction, a windshield lower support that is provided above the dashboard lower and supports the lower end of the windshield, and the dashboard A vehicle body front structure having a steering hanger positioned behind the lower and extending in the vehicle width direction to support the steering column;
The left and right ends of the dashboard upper are coupled to the left and right damper bases,
A hanger bracket joined to the steering hanger extends forward,
A connecting member joined to the cross member extends backward,
The hanger bracket and the connecting member are connected to each other with the windshield lower support and / or the dashboard lower interposed therebetween, and a vehicle body front structure is provided.

As described in claim 2, preferably, a steering bracket for attaching the steering column extends rearward from the steering hanger.
The steering bracket overlaps the hanger bracket in the front-rear direction in plan view.

As described in claim 3, preferably further comprising a second hanger bracket joined to the steering hanger and extending forward along the hanger bracket,
The second hanger bracket is joined to the dashboard upper.

As described in claim 4, preferably, the hanger bracket has a first seat surface portion that abuts on the windshield lower support or the dashboard lower,
A nut is joined to the first seat portion,
The connecting member has a second seat surface portion that contacts the windshield lower support or the dashboard lower,
The first seat surface portion and the second seat surface portion are coupled by the nut and a bolt screwed into the nut from the second seat surface portion side.

As described in claim 5, preferably, the connecting member has a connecting member side wall portion having a substantially triangular shape in a side view,
The connecting member side wall includes a first side extending along the second seat surface portion, a second side extending in the front-rear direction from the lower end of the first side to the cross member, and the second side A third side extending from the front end to the upper end of the first side,
The hanger bracket has a linear portion extending linearly from the upper end of the first seat surface portion to the steering hanger,
A front end of the straight line portion is continuous with a rear end of the third side with the windshield lower support or the dashboard lower interposed therebetween.

As described in claim 6, preferably further comprising a dashboard upper covering the dashboard upper,
An opening is formed by the front edge of the dashboard apparel and the front edge of the windshield lower support,
The second seat portion faces the opening.

As described in claim 7, preferably, the dashboard upper has a groove portion formed in a groove shape in the vehicle width direction so as to be coupled to the dashboard lower,
The cross member includes an upper wall portion extending substantially horizontally from the front to the rear of the groove portion, and a vertical wall portion extending downward from a rear end of the upper wall portion,
A closed cross section is formed by the front wall and the bottom of the groove, and the upper wall and the vertical wall of the cross member,
The closed cross section formed by these grooves and cross members is formed between the left and right damper bases, and the end portions are respectively located on the upper surfaces of the left and right damper bases,
The front end of the connecting member is coupled to the upper surface of the upper wall portion.

As described in claim 8, preferably, in the vicinity of the vehicle width direction end portion of the dashboard lower, a front pillar constituting a part of the vehicle body frame extends in the vertical direction,
On the upper surface of the damper base, the end of the dashboard upper is overlaid,
On the upper surface of the dashboard upper, a holding member for suppressing the movement of the dashboard upper is joined,
The holding member is joined to the windshield lower support,
An end portion of the windshield lower support and an end portion of the steering hanger are joined to the front pillar.

  In the invention according to claim 1, the left and right ends of the dashboard upper are coupled to the left and right damper bases, the hanger bracket joined to the steering hanger extends forward, and joined to the cross member that reinforces the dashboard upper. The connecting member extends rearward. Further, the hanger bracket and the connecting member are coupled to each other by sandwiching the windshield lower support and / or the dashboard lower. That is, the above-mentioned parts arranged at the front part of the vehicle body are coupled to each other.

  For example, a load input from the damper to the damper base is transmitted to the dashboard upper, and is transmitted from the dashboard upper to the connecting member via the cross member. Here, the connecting member sandwiches the windshield lower support and / or the dashboard lower together with the hanger bracket.

  Therefore, the load transmitted to the connecting member is transmitted to the windshield lower support and / or the dashboard lower, and is also transmitted to the hanger bracket. The load transmitted to the hanger bracket is further transmitted to the steering hanger.

  That is, the load input from the damper is transmitted not only to the periphery of the damper base but also to the steering hanger. Since the load is easily received at the front portion of the vehicle body, the support rigidity of the front portion of the vehicle body is increased.

  In the invention according to claim 2, the steering bracket for attaching the steering column extends rearward from the steering hanger, and the steering bracket overlaps the hanger bracket in the front-rear direction in plan view.

  That is, the steering bracket is located in the vicinity of the hanger bracket. The load applied to the steering bracket by supporting the steering column is transmitted to the hanger bracket, and further to the windshield lower support and / or the dashboard lower. This increases the support rigidity of the steering column at the front of the vehicle body.

  The invention according to claim 3 further includes a second hanger bracket which is joined to the steering hanger and extends forward along the hanger bracket, and the second hanger bracket is joined to the dashboard upper. Yes.

  The load applied to the steering bracket by supporting the steering column is transmitted to the second hanger bracket in addition to the hanger bracket. Therefore, the rigidity for supporting the steering column is further increased.

  In the invention which concerns on Claim 4, a hanger bracket has a 1st seat surface part contact | abutted to a windshield lower support or a dashboard lower, and the nut is joined to this 1st seat surface part. The connecting member has a second seat surface portion that comes into contact with the windshield lower support or the dashboard lower. The first seat surface portion and the second seat surface portion are coupled by a nut and a bolt that is screwed to the nut from the second seat surface portion side.

  That is, with the dashboard lower partitioning the front of the passenger compartment as a boundary, the connecting member having the second seat portion is located outside the passenger compartment and is located on the hanger bracket compartment side having the first seat portion. Therefore, the connection member and the hanger bracket can be fastened from the outside of the passenger compartment using bolts.

  In addition, the coupling member and the hanger bracket are continuously arranged in the front-rear direction by fastening the bolt. Therefore, the support rigidity in the front-rear direction can be increased.

  In the invention which concerns on Claim 5, a connection member has a connection member side wall part which exhibits a substantially triangular shape by side view, and this connection member side wall part is the 1st edge | side extended along a 2nd seat surface part, and this The second side extends in the front-rear direction from the lower end of the first side to the cross member, and the third side extends from the front end of the second side to the upper end of the first side.

  Furthermore, the hanger bracket has a linear portion that extends linearly from the upper end of the first seat surface portion to the steering hanger. The front end of the straight portion of the hanger bracket is continuous with the rear end of the third side of the connecting member with the windshield lower support or the dashboard lower interposed therebetween.

  Therefore, transmission of load from the hanger bracket to the connecting member and transmission of load from the connecting member to the hanger bracket are less likely to be interrupted near the windshield lower support or dashboard lower, resulting in a part of the front part of the vehicle body. Is easily transmitted to the front of the vehicle body. Therefore, the support rigidity of the front part of the vehicle body is further increased.

  The invention according to claim 6 further includes a dashboard appendage that covers the dashboard upper, and an opening is formed by the front edge of the dashboard upper pad and the front edge of the windshield lower support, The two seat surfaces face the opening.

  In other words, the second seat surface portion is visible from the opening, and the connecting member using the bolt and the hanger bracket can be easily fastened from the outside of the passenger compartment.

  In the invention according to claim 7, the dashboard upper has a groove portion formed in a groove shape in the vehicle width direction so as to be coupled to the dashboard lower. The cross member includes an upper wall portion extending substantially horizontally from the front to the rear of the groove portion, and a vertical wall portion extending downward from the rear end of the upper wall portion. A closed cross section is formed by the front wall and bottom of the groove, and the upper wall and vertical wall of the cross member.

  Further, the closed cross section formed by these groove portions and cross members is formed between the left and right damper bases, and the end portions are respectively positioned on the upper surfaces of the left and right damper bases.

  By forming the closed cross section, the bending rigidity of the dashboard upper in the vehicle width direction is increased. Therefore, the support rigidity of the damper base is further increased. In addition, drainage performance in the cowl is enhanced.

  Further, the front end of the connecting member is coupled to the upper surface of the upper wall portion of the cross member. That is, the dashboard upper to which the cross member is attached is pressed against the connecting member. Therefore, the support rigidity of the damper base is further increased.

  In the invention according to claim 8, in the vicinity of the vehicle width direction end portion of the dashboard lower, the front pillar constituting a part of the vehicle body frame extends in the vertical direction, and the upper surface of the damper base has the end of the dashboard upper portion. The parts are superimposed.

  A restraining member for restraining the movement of the dashboard upper is joined to the upper surface of the dashboard upper, the restraining member is joined to the windshield lower support, and the end of the windshield lower support, and the front pillar, The end of the steering hanger is joined.

  That is, both ends of the dashboard upper are connected to the front pillar via the holding member and the windshield lower support. Further, both ends of the steering hanger are joined to the front pillar. Therefore, a rectangular frame having a long side in the vehicle width direction is formed by the dashboard upper, the steering hanger, and the left and right front pillars. Therefore, the rigidity of the vehicle body front structure is further increased.

1 is a perspective view showing a right half of a front portion of a vehicle body according to an embodiment of the present invention. It is a top view of the vehicle body front part shown by FIG. FIG. 2 is an enlarged view of a main part of a front part of the vehicle body shown in FIG. 1. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. It is a figure explaining fixation of a hanger bracket in the vehicle body front part shown by FIG. It is a figure explaining fixation of the 2nd hanger bracket in the vehicle body front part shown by FIG. It is a figure explaining the coupling | bonding of a hanger bracket and a connection member in the vehicle body front part shown by FIG. It is a figure explaining the joining of the cross member in the vehicle body front part shown by FIG. It is a figure explaining joining of the suppression member in the vehicle body front part shown by FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings. In the description, left and right refer to the left and right based on the vehicle occupant, and front and rear refer to the front and rear based on the traveling direction of the vehicle. In the figure, Fr is front, Rr is rear, L is left when viewed from the occupant, R is right when viewed from the occupant, Up is upper, and Dn is lower.
<Example>

  Please refer to FIG. FIG. 1 shows the right half of the front portion of the vehicle body 10 that is sectioned in the front-rear direction. In the present embodiment, the front structure of the right-hand drive specification vehicle body will be described. However, the front-body structure of the vehicle body according to the present invention can also be employed in a left-hand drive specification vehicle body.

  Please refer to FIG. The front portion of the vehicle body 10 extends between the left and right front pillars 11 and 11 (only the right front pillar 11 is shown) raised at the left and right ends, respectively. A dashboard lower 12 that divides the front end of the passenger compartment, left and right front side frames 13 and 13 extending forward from the dashboard lower 12, and above the left and right front side frames 13 and 13 Left and right damper housings 15, 15 for accommodating dampers 14, 14 (only the right damper 14 is shown), damper bases 16, 16 provided above the damper housings 15, 15, Left and right front side members 17, 17 extending obliquely downward from 15 toward the front, and a dash A dashboard upper 18 that extends forward from the upper end of the drawer 12, a windshield lower support 19 (see FIG. 3) that is provided above the dashboard lower 12 and supports the lower end of the windshield 29, and a lower end of the dashboard lower 12 It consists of a floor panel 20 extending rearward, and a steering hanger 21 that spans between the left and right front pillars 11 and 11 and supports the steering column 27.

  The front pillar 11 includes a front pillar lower 11a that extends from the end of the floor panel 20 to substantially the same height as the upper end of the dashboard lower 12, and a front pillar upper 11b that is provided on the front pillar lower 11a. A front quarter glass 22 is provided on the front pillar upper 11b.

  The left and right ends 23, 23 of the dashboard upper 18 are superimposed on the upper surfaces of the left and right damper bases 16, 16. Further, a cross member 24 that extends in the vehicle width direction and reinforces the dashboard upper 18 is attached to the dashboard upper 18. The attachment of the cross member 24 will be described later.

  The steering hanger 21 includes a hanger beam 25 extending in the vehicle width direction, and attachment portions 26 and 26 (end portions 26 and 26 of the steering hanger 21) joined to both ends of the hanger beam. The left and right attachment portions 26, 26 are fixed near the boundary between the front pillar lower 11a and the front pillar upper 11b.

  Further, the steering hanger 21 includes a first hanger bracket 30 (hanger bracket 30) that extends forward from the hanger beam 25 and a second hanger bracket 40. Details of the support of the steering hanger 21 by the first and second hanger brackets 30 and 40 will be described later.

  First and second steering brackets 39 and 49 for attaching the steering column 27 extend rearward on the hanger beam 25. A steering wheel 28 is provided at the tip of the steering column 27.

  The first steering bracket 39 overlaps with the first hanger bracket 30 in the front-rear direction in plan view. That is, at least a part of the first steering bracket 39 is located behind the first hanger bracket 30. Similarly, the second steering bracket 49 overlaps the second hanger bracket 40 in the front-rear direction in plan view. That is, at least a part of the second steering bracket 49 is located behind the second hanger bracket 40.

  Please refer to FIG. 3 and FIG. The rear end of the dashboard upper 18 is overlaid on the upper end of the dashboard lower 12, and the lower end of the windshield lower support 19 is overlaid and joined together.

  The front end of the first hanger bracket 30 is fixed to the windshield lower support 19 using the first connecting member 50. Hereinafter, the fixing of the first hanger bracket 30 will be described in detail.

  Please refer to FIG. The first hanger bracket 30 includes a horizontal portion 31 (straight portion 31) extending in the front-rear direction, a first seat surface portion 32 extending downward from the front end of the horizontal portion 31, and the horizontal portion 31 and the first seat surface portion 32. And a side wall-shaped vertical portion 33 formed on the side portion. A first nut 34 is joined to the rear surface 32 a of the first seat surface portion 32. In accordance with the position of the first nut 34, the first seat surface portion 32 is formed with a bolt hole 32b through which the first bolt 35 is passed.

  The first connecting member 50 includes a bottom surface portion 51 having a rectangular shape, a second seat surface portion 52 raised from the rear end of the bottom surface portion 51, and a sidewall-like side wall extending forward from the left and right side ends of the bottom surface portion 51. It consists of the parts 53 and 53 and the front-end part 54 extended ahead from the front end of the bottom face part 51, and joining to the cross member 24 (refer FIG. 4). A bolt hole 52 a through which the first bolt 35 is passed is formed in the second seat surface portion 52. The bottom surface portion 51 is formed with a substantially elliptical elliptical hole 51a having the longitudinal direction as a major axis.

  The first seat surface portion 32 of the first hanger bracket 30 and the second seat surface portion 52 of the first connecting member 50 are screwed into the first nut 34 and the first nut 34 from the second seat surface portion 52 side. The first bolt 35 is connected.

  Specifically, the first seat surface portion 32 abuts on the rear surface 19 a of the windshield lower support 19, and the second seat surface portion 52 abuts on the front surface 19 b of the windshield lower support 19. The first bolt 35 is fastened to the first nut 34 provided in the first seat surface portion 32 through a bolt hole 52 a formed in the second seat surface portion 52.

  That is, the first hanger bracket 30 and the first connecting member 50 are coupled to each other with the windshield lower support 19 interposed therebetween.

  In this embodiment, the windshield lower support 19 is sandwiched. However, for example, only the dashboard lower 12 (see FIG. 4) may be sandwiched, and further, the windshield lower support 19 and the dashboard lower support may be sandwiched. Both of twelve may be sandwiched.

  Please refer to FIG. The second hanger bracket 40 is joined to the steering hanger 21 and extends forward along the first hanger bracket 30. The front end of the second hanger bracket 40 is fixed to the windshield lower support 19 using the second connecting member 60.

  The second hanger bracket 40 has a symmetrical shape with the first hanger bracket 30. That is, the second hanger bracket is formed on the horizontal portion 41 extending in the front-rear direction, the third seat surface portion 42 extending downward from the front end of the horizontal portion 41, and the side portions of the horizontal portion 41 and the third seat surface portion 42. A side wall-shaped vertical portion 43. A second nut 44 is joined to the rear surface 42 a of the third seat surface portion 42. In accordance with the position of the second nut 44, a bolt hole through which the second bolt 45 is passed is formed in the third seat surface portion 42.

  The second connecting member 60 includes a fourth seat surface portion 61 that contacts the front surface 19b of the windshield lower support 19 (see FIG. 5), and a bent portion that is bent forward from the upper portion of the fourth seat surface portion 61. 62, and the fourth seat surface portion 61 and left and right edge portions 63, 63 raised from both edges of the bent portion 62 toward the front.

  The third seat surface portion 42 of the second hanger bracket 40 and the fourth seat surface portion 61 of the second connecting member 60 are screwed to the second nut 44 and the second nut 44 from the fourth seat surface portion 61 side. The second bolts 45 are connected to each other.

  Furthermore, the lower end portion of the fourth seat surface portion 61 of the second connecting member 60 is joined to the upper end of the dashboard upper 18 (see FIG. 4). That is, it can be said that the second hanger bracket 40 is joined to the dashboard upper 18 via the second connecting member 60.

  Please refer to FIG. The side wall part 53 (connection member side wall part 53) of the 1st connection member 50 exhibits a substantially triangular shape by side view. The side wall portion 53 includes a first side 55 extending along the second seat surface portion 52 (see FIG. 5), and a second side 56 extending substantially in the front-rear direction from the lower end of the first side 55 to the cross member 24. , And a third side 57 extending from the front end of the second side 56 to the upper end of the first side 55. The horizontal part 31 (straight line part 31) extends linearly from the upper end of the first seat surface part 32 to the hanger beam 25 (steering hanger 21). Therefore, the front end of the horizontal portion 31 is continuous with the rear end of the third side 57 with the windshield lower support 19 interposed therebetween.

  That is, the upper ends of the first seat surface portion 32 and the second seat surface portion 52 (see FIG. 5) are positioned at substantially the same height, and the line L1 that passes over the third side 57 and the line that passes over the horizontal portion 31. L2 intersects at the place where the first seat surface portion 32 and the second seat surface portion 52 are coupled.

  Please refer to FIG. 2 and FIG. The dashboard upper 18 has a groove portion 70 formed in a groove shape in the vehicle width direction so as to be coupled to the dashboard lower 12. A recess 72 that is recessed upward is formed at the center of the bottom 71 of the groove 70. The recess 72 is formed across the vehicle width direction.

  The cross member 24 includes an upper wall 74 that extends substantially horizontally from the front to the rear of the groove 70, a vertical wall 75 that extends downward from the rear end of the upper wall 74, and a lower end of the vertical wall 75. And a lower wall portion 76 extending substantially horizontally toward the rear. The left and right ends 67, 67 of the cross member 24 extend to a position overlapping the damper base 16 in the vertical direction (see FIG. 2).

  When the cross member 24 is superimposed on the dashboard upper 18, a closed cross section 77 is formed by the front wall 73 and the bottom portion 71 of the groove portion 70 and the upper wall portion 74 and the vertical wall portion 75 of the cross member 24.

  The lower wall portion 76 is overlaid on the upper surface of the recess 72. A closed section 77 formed by the groove 70 and the cross member 24 is formed between the left and right damper bases 16 and 16, and closed section ends 78 and 78 (see FIG. 2) Located on the upper surface of the damper bases 16, 16.

  The front end portion 54 of the first connecting member 50 is coupled to the upper surface of the upper wall portion 74 of the cross member 24. The bottom surface portion 51 of the first connecting member 50 extends obliquely downward toward the front in a state where the first hanger bracket 30 is coupled. That is, the front end portion 54 of the first connecting member 50 is positioned below the lower end of the second seat surface portion 52.

  The dashboard upper 18 is covered with a dashboard upper pad 81. The dashboard applid 81 is bridged between the left and right damper bases 16 and 16.

  An opening 85 is formed by the lower edge 83 serving as the front edge of the dashboard apparel 81 and the upper edge 84 serving as the front edge of the windshield lower support. The second seat surface portion 52 faces the opening 85. The opening 85 is covered with the cowl top 82. A detailed description of the mounting structure of the dashboard upper 81 and the cowl top 82 is omitted.

  Please refer to FIG. On the upper surface of the dashboard upper 18, a holding member 90 for suppressing the movement of the dashboard upper 18 is provided. The holding member 90 includes a trapezoidal main body 91 and a joint 92 formed at the edge of the main body 91. The joint 92 includes a first joint 93 joined to the front pillar upper 11 b, a second joint 94 joined to the upper surface of the dashboard upper 18, and a third joint joined to the windshield lower support 19. 95.

  A side end 86 of the windshield lower support 19 is joined to the front pillar upper 11b.

  Next, the operation and effect of the present invention will be described.

  Please refer to FIG. 1 and FIG. The left and right ends 23, 23 of the dashboard upper 18 are coupled to the left and right damper bases 16, 16. The first hanger bracket 30 joined to the steering hanger 21 extends forward, and the first connecting member 50 joined to the cross member 24 that reinforces the dashboard upper 18 extends rearward. Further, the first hanger bracket 30 and the first connecting member 50 are coupled to each other with the windshield lower support 19 interposed therebetween. That is, the above-mentioned parts arranged at the front part of the vehicle body 10 are coupled to each other.

  For example, a load input from the damper 16 to the damper base 16 is transmitted to the dashboard upper 18, and is transmitted from the dashboard upper 18 to the first connecting member 50 via the cross member 24. Here, the first connecting member 50 sandwiches the windshield lower support 19 together with the first hanger bracket 30.

  Therefore, the load transmitted to the first connecting member 50 is transmitted to the windshield lower support 19 and also transmitted to the first hanger bracket 30. The load transmitted to the first hanger bracket 30 is further transmitted to the steering hanger 21.

  That is, the load input from the damper 14 is transmitted not only to the periphery of the damper base but also to the steering hanger 21. Since the load is easily received by the entire front portion of the vehicle body 10, the rigidity of the front portion of the vehicle body 10 is increased.

  In addition, on the hanger beam 25, first and second steering brackets 39 and 49 for attaching the steering column 27 extend rearward. The first steering bracket 39 overlaps with the first hanger bracket 30 in the front-rear direction in plan view. Similarly, the second steering bracket 49 overlaps the second hanger bracket 40 in the front-rear direction in plan view.

  That is, the first and second steering brackets 39 and 49 are positioned in the vicinity of the first and second hanger brackets 30 and 40, respectively. The load applied to the first and second steering brackets 49 by supporting the steering column 27 is also transmitted to the first and second hanger brackets 30 and 40 and further to the windshield lower support 19. Therefore, the support rigidity with respect to the steering column 27 is increased at the front portion of the vehicle body 10.

  Please refer to FIG. 4 and FIG. The first connecting member 50 having the second seat surface portion 52 with the windshield lower support 19 as a boundary is located on the outer side of the vehicle compartment and the vehicle interior side of the first hanger bracket 30 having the first seat surface portion 32. Located in. Therefore, the first connecting member 50 and the first hanger bracket 30 can be fastened using the first bolt 35 from the outside of the passenger compartment.

  In addition, by fastening the first bolt 35, the first connecting member 50 and the first hanger bracket 30 are continuously arranged in the front-rear direction. Therefore, the support rigidity in the front-rear direction can be increased.

  Please refer to FIG. 1 and FIG. The second hanger bracket 40 is joined to the dashboard upper 18 via the second connecting member 60.

  Therefore, the load applied to the first and second steering brackets 39 and 49 by supporting the steering column 27 is transmitted to the second hanger bracket 40 in addition to the first hanger bracket 30. Since the part which supports the steering hanger 21 increases, the rigidity which supports the steering column 27 further increases.

  Please refer to FIG. 5 and FIG. The front end of the horizontal portion 31 (straight line portion 31) is continuous with the rear end of the third side 57 with the windshield lower support 19 interposed therebetween. That is, the upper ends of the first seat surface portion 32 and the second seat surface portion 52 are located at substantially the same height, and the line L1 that passes over the third side 57 and the line L2 that passes over the horizontal portion 31 are The first seating surface portion 32 and the second seating surface portion 52 intersect at a place where they are joined.

  Therefore, the transmission of the load from the first hanger bracket 30 to the first connecting member 50 and the transmission of the load from the first connecting member 50 to the first hanger bracket 30 are performed near the windshield lower support 19. As a result, the load input from a part of the front portion of the vehicle body 10 is easily transmitted to the entire front portion of the vehicle body 10. Therefore, the rigidity of the front portion of the vehicle body 10 is further increased.

  Please refer to FIG. 2 and FIG. An opening 85 is formed by the lower edge 83 serving as the front edge of the dashboard apparel 81 and the upper edge 84 serving as the front edge of the windshield lower support 19. The second seat surface portion 52 faces the opening 85.

  That is, the 2nd seat surface part 52 in which the 1st volt | bolt 35 is arrange | positioned can be visually recognized from the opening part 85, and the 1st connection member 50 and the 1st hanger using the 1st volt | bolt 35 are visible from the outer side of a vehicle interior. Fastening with the bracket 30 is facilitated.

  In addition, the bottom surface portion 51 of the first connecting member 50 extends obliquely downward toward the front. Compared with the case where the bottom surface portion 51 extends horizontally toward the front, the distance from the windshield lower support 19 increases as the front end portion 54 is approached. Therefore, the work of fastening the first bolt 35 is facilitated.

  Further, the side wall 53 has a substantially triangular shape in a side view, and the third side 57 extends obliquely downward toward the front. Compared with the case where the side wall 53 is rectangular, the height of the side wall 53 is reduced as the front end 54 is approached, and a space for fastening work is increased. Therefore, the work of fastening the first bolt 35 is facilitated.

  Please refer to FIG. 2 and FIG. In the dashboard upper 18, a closed cross section 77 is formed by the front wall 73 and the bottom portion 71 of the groove portion 70, and the upper wall portion 74 and the vertical wall portion 75 of the cross member 24. A closed section 77 formed by the groove 70 and the cross member 24 is formed between the left and right damper bases 16 and 16, and closed section ends 78 and 78 (see FIG. 2) are respectively provided. Located on the upper surfaces of the left and right damper bases 16, 16.

  By forming the closed section 77, the bending rigidity of the dashboard upper 18 in the vehicle width direction is increased. Therefore, the support rigidity of the damper base 16 is further increased. In addition, drainage performance in the cowl is enhanced.

  Further, the front end portion 54 of the first connecting member 50 is coupled to the upper surface of the upper wall portion 74 of the cross member 24 (see FIG. 8). That is, the dashboard upper 18 to which the cross member 24 is attached is pressed against the first connecting member 50. As a result, the mounting strength of the cross member 24 to the dashboard upper 18 is further increased, and the support rigidity of the damper base 16 at the front portion of the vehicle body 10 is further increased.

  In addition, the groove portion 70 is formed with a recess 72 in which the lower wall portion 76 of the cross member 24 is overlapped. For this reason, when the cross member 24 is arranged on the dashboard upper 18, the recess 72 serves as a mark of the arrangement position of the cross member 24. As a result, the mounting work of the cross member 24 is made efficient.

  Please refer to FIG. 1 and FIG. A front pillar 11 constituting a part of the vehicle body frame extends in the vertical direction in the vicinity of the vehicle width direction end of the dashboard lower 12. An end portion 23 of the dashboard upper 18 is overlaid on the upper surface of the damper base 16. Further, a holding member 90 for suppressing the movement of the dashboard upper 18 is joined to the upper surface of the dashboard upper 18. The holding member 90 is joined to the windshield lower support 19, and the side end portion 86 of the windshield lower support 19 and the attachment portion 26 of the steering hanger 21 are joined to the front pillar 11.

  That is, the end portion of the dashboard upper 18 is connected to the front pillar 11 via the holding member 90 and the windshield lower support 19. Further, the mounting portion 26 of the steering hanger 21 is joined to the front pillar 11. Therefore, a rectangular frame having a long side in the vehicle width direction is formed by the dashboard upper 18, the steering hanger 21, and the left and right front pillars 11 (only the right front pillar 11 is covered). Therefore, the support rigidity of the front part structure of the vehicle body 10 is further increased.

  The vehicle body front structure according to the present invention has been described by taking a passenger car as an example, but it can also be applied to other four-wheeled vehicles and is not limited to these types.

  The vehicle body front part structure of the present invention is suitable for a passenger car.

DESCRIPTION OF SYMBOLS 10 ... Car body 11 ... Front pillar 12 ... Dash lower 16 ... Damper base 18 ... Dash upper 19 ... Windshield lower support 21 ... Steering hanger 23 ... Dash upper end 24 ... Cross member 27 ... Steering column 30 ... First hanger bracket (Hanger bracket)
31 ... Horizontal part (straight line part)
32 ... 1st seat surface part 34 ... 1st nut 35 ... 1st bolt 39 ... 1st steering bracket 40 ... 2nd hanger bracket 42 ... 3rd seat surface part 44 ... 2nd nut 45 ... 2nd
49 ... 2nd steering bracket 50 ... 1st connection member 52 ... 2nd seat surface part 53 ... Side wall part 54 ... Front end part 57 ... 3rd edge | side 60 ... 2nd connection member 67 ... End part 70 of a cross member ... Groove 71 ... Bottom 72 ... Recess 73 ... Front wall 74 ... Upper wall 75 ... Vertical wall 76 ... Lower wall 77 ... Closed section 78 ... Closed section end 81 ... Lid 83 ... Upper edge 84 ... Lower edge 85 ... Opening 86 ... Side end portion 90 ... restraining member 92 ... joining portion 93 ... first joining portion 94 ... second joining portion 95 ... third joining portion

Claims (8)

Left and right damper bases that respectively support the upper ends of the left and right dampers, a dashboard lower that is provided behind the damper bases and partitions the front of the passenger compartment, and a dashboard upper that extends forward from the upper ends of the dashboard lowers, A cross member that reinforces the dashboard upper and extends in the vehicle width direction, a windshield lower support that is provided at the top of the dashboard lower and supports the lower end of the windshield, and a vehicle width that is located behind the dashboard lower A vehicle body front structure having a steering hanger extending in a direction and supporting a steering column,
The left and right ends of the dashboard upper are coupled to the left and right damper bases,
A hanger bracket joined to the steering hanger extends forward,
A connecting member joined to the cross member extends backward,
The vehicle body front structure, wherein the hanger bracket and the connecting member are coupled to each other with the windshield lower support and / or the dashboard lower interposed therebetween. From the steering hanger, a steering bracket for attaching the steering column extends backward,
The vehicle body front part structure according to claim 1, wherein the steering bracket overlaps with the hanger bracket in a front-rear direction in a plan view. A second hanger bracket joined to the steering hanger and extending forward along the hanger bracket;
The vehicle body front part structure according to claim 1 or 2, wherein the second hanger bracket is joined to the dashboard upper. The hanger bracket has a first seat surface part that contacts the windshield lower support or the dashboard lower,
A nut is joined to the first seat portion,
The connecting member has a second seat surface portion that contacts the windshield lower support or the dashboard lower,
The said 1st seat surface part and the said 2nd seat surface part are couple | bonded by the volt | bolt currently screwed together by the said nut from the said 2nd seat surface part side. 3. The vehicle body front structure according to 3. The connecting member has a connecting member side wall portion having a substantially triangular shape in a side view,
The connecting member side wall includes a first side extending along the second seat surface portion, a second side extending in the front-rear direction from the lower end of the first side to the cross member, and the second side A third side extending from the front end to the upper end of the first side,
The hanger bracket has a linear portion extending linearly from the upper end of the first seat surface portion to the steering hanger,
5. The vehicle body front structure according to claim 4, wherein a front end of the straight line portion is continuous with a rear end of the third side with the windshield lower support or the dashboard lower interposed therebetween. . Further comprising a dashboard upper covering the dashboard upper,
An opening is formed by the front edge of the dashboard apparel and the front edge of the windshield lower support,
6. The vehicle body front part structure according to claim 4, wherein the second seating surface part faces the opening. The dashboard upper has a groove formed in a groove shape across the vehicle width direction in order to be coupled to the dashboard lower,
The cross member includes an upper wall portion extending substantially horizontally from the front to the rear of the groove portion, and a vertical wall portion extending downward from a rear end of the upper wall portion,
A closed cross section is formed by the front wall and the bottom of the groove, and the upper wall and the vertical wall of the cross member,
The closed cross section formed by these grooves and cross members is formed between the left and right damper bases, and the end portions are respectively located on the upper surfaces of the left and right damper bases,
The vehicle body front part structure according to any one of claims 1 to 6, wherein a front end of the connecting member is coupled to an upper surface of the upper wall part. Near the vehicle width direction end of the dashboard lower, a front pillar that constitutes a part of the body frame extends in the vertical direction,
On the upper surface of the damper base, the end of the dashboard upper is overlaid,
On the upper surface of the dashboard upper, a holding member for suppressing the movement of the dashboard upper is joined,
The holding member is joined to the windshield lower support,
The vehicle body according to any one of claims 1 to 6, wherein an end portion of the windshield lower support and an end portion of the steering hanger are joined to the front pillar. Front structure.

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