JP6934505B2 - Vehicle front structure - Google Patents

Description

The present invention relates to a vehicle front structure of a vehicle provided with a steering hanger.

The steering column that supports the steering shaft of the vehicle is supported by the vehicle body by a steering hanger that extends substantially along the vehicle width direction. Various loads such as steering operating load are input to the steering hanger through the steering column. Therefore, various structures for increasing the support rigidity of the steering hanger have been devised (see, for example, Patent Document 1).

In the vehicle front structure described in Patent Document 1, a hanger bracket extending toward the front side of the vehicle is attached to a part of a steering hanger extending in the vehicle width direction, and the front end portion of the hanger bracket is used as a dash upper member in front of the passenger compartment. It is combined. The dash upper members include a dash upper base wall that extends substantially horizontally in front of the passenger compartment in the vehicle width direction, a standing wall that stands up from the rear of the dash upper base wall, and a vehicle front side from the upper end of the standing wall. It has a glass support wall that extends to. On the upper surface of the dash upper base wall, a cross member forming a closed cross section extending substantially along the vehicle width direction is attached to the base wall. The lower edge of the windshield glass is fixed to the leading edge of the glass support wall. Before and after the upright wall, the base end portion of the load transmitting member and the front end portion of the hanger bracket are joined in a superposed state. The tip of the load transmitting member is coupled to the upper surface of the cross member.

In the above vehicle front structure, since the front end of the hanger bracket extending forward from the steering hanger is connected to the closed cross section of the cross member via the upright wall of the dash upper member and the load transmission member, the steering hanger Support rigidity can be increased efficiently.

Japanese Unexamined Patent Publication No. 2017-71232

The vehicle front structure described in Patent Document 1 is a structure whose main purpose is to increase the support rigidity of the steering hanger. On the other hand, at present, it is desired to devise a vehicle front structure capable of further suppressing the vibration transmitted to the windshield glass through the hanger bracket and the dash upper member. Further, in this type of vehicle front structure, it is also desired that the energy of the impact load can be efficiently absorbed by the front portion of the hanger bracket when the impact load is input.

Therefore, the present invention can suppress the vibration transmitted to the windshield glass through the hanger bracket and the dash upper member, and can efficiently absorb the energy of the impact load at the front portion of the hanger bracket when the impact load is input. It seeks to provide a vehicle front structure.

The vehicle front structure according to the present invention adopts the following configuration in order to solve the above problems.
That is, the vehicle front structure according to the present invention is a dash upper member (for example, the embodiment) that is arranged on the front side of the vehicle in the passenger compartment and supports the lower edge of the windshield glass (for example, the windshield glass 2 of the embodiment). The dash upper member 10) and the steering hanger (for example, the steering hanger of the embodiment) to which the steering column (for example, the steering column 13 of the embodiment) is fixed while being supported by the vehicle body on the vehicle rear side of the dash upper member. 14) and a hanger bracket (for example, the hanger bracket 15A of the embodiment) extending from the steering hanger to the front side of the vehicle and having a front end portion coupled to the dash upper member, and the dash upper member is the occupant. A dash upper base wall extending substantially horizontally in the vehicle width direction on the front side of the vehicle in the room (for example, the dash upper base wall 11a of the embodiment) and an upright wall standing upward from the rear portion of the dash upper base wall (for example, implementation). The dash has an upright wall 12b) of the form and a glass support wall (for example, the glass support wall 12d of the embodiment) that is connected to the upper part of the upright wall and supports the lower edge of the windshield glass. A first plate (for example, the first plate 30 of the embodiment) forming a closed cross section extending substantially along the vehicle width direction with the dash upper base wall is bonded to the upper surface of the upper base wall, and the erecting is performed. The base end portion of the load transmission member (for example, the load transmission member 18 of the embodiment) and the front end portion of the hanger bracket are overlapped and connected to the front and rear of the wall, and the tip end portion of the load transmission member and the first portion are connected. The upper wall (for example, the upper wall 30c of the embodiment) facing the internal space of the closed cross section of the plate is connected via the second plate (for example, the second plate 31 of the embodiment), and the second plate is connected. , The base wall (for example, the base wall 31a of the embodiment) coupled to the upper wall of the first plate, and the tip of the load transmitting member that bends upward and extends from the front end of the base wall on the vehicle front side. It is characterized by having a bent wall (for example, the bent wall 31b of the embodiment) coupled to the portion.

In the case of the above configuration, when a relatively small load is transmitted from the steering hanger side (steering column side) to the load transmission member through the upright walls of the hanger bracket and the dash upper member, the bent wall of the second plate bends back and forth. As it deforms, the upper wall of the first plate bends up and down and deforms. As a result, the load input through the hanger bracket is elastically received by the second plate and the first plate. This makes it difficult for the input load to be transmitted from the dash upper member in the direction of the windshield glass. As a result, the vibration transmitted from the dash upper member to the windshield glass is suppressed.
Further, when the impact load is transmitted from the steering hanger side (steering column side) to the load transmission member through the upright walls of the hanger bracket and the dash upper member, the second plate is plastically deformed so as to displace the bent wall forward. At the same time, the upper wall of the first plate is plastically deformed upward by receiving a moment from the second plate toward the front and upper sides. At this time, the energy of the impact load is absorbed by the plastic deformation of the first plate and the second plate.

The load transmitting member is opened from the base side joint portion (for example, the base side joint portion 18a of the embodiment) to be coupled to the upright wall and the hanger bracket, and the vehicle width direction outward from the base side joint portion. A pair of inclined portions extending forward (for example, the inclined portion 18b of the embodiment) and a pair of tip-side connecting portions (for example, an embodiment) connected to the bent wall of the second plate at the tip end side of each of the inclined portions. It may be configured to have the tip side coupling portion 18c) of the form.

In this case, when the load on the steering hanger side (steering column side) is transmitted to the base side joint portion of the load transmission member through the hanger bracket and the upright wall, the load is distributed and transmitted to each inclined portion of the load transmission member. Further, it is transmitted to a portion of the dash upper base wall separated in the vehicle width direction at each tip side joint. Therefore, when this configuration is adopted, the input load can be distributed and transmitted over a wide range of the dash upper base wall.

The dash upper member includes a support stiffener (for example, an opening 10a of the embodiment) that shields a part of a concave opening (for example, the opening 10a of the embodiment) formed by the dash upper base wall, the upright wall, and the glass support wall. The support stiffener 16) of the embodiment may be attached, and the distal end side coupling portion may be coupled to the support stiffener and the bent wall.

In this case, the load transmitted to the base side joint portion of the load transmission member is distributed and transmitted to the pair of inclined portions, and further to the support stiffener and the bent wall of the second plate via each tip side joint portion. Be transmitted. At this time, the opening of the pair of inclined portions of the load transmitting member is regulated by the support stiffener. Therefore, when this configuration is adopted, the load can be efficiently transmitted to the corresponding second plate through each inclined portion and the tip end side coupling portion of the load transmitting member.

A second hanger bracket (for example, the hanger bracket 15B of the embodiment) extending to the front side of the vehicle is attached to a position of the steering hanger separated from the joint position with the hanger bracket in the vehicle width direction, and the second hanger bracket is attached. The upright wall of the dash upper member and the base end of the second load transmission member (for example, the load transmission member 18A of the embodiment) are overlapped and connected to the front end portion of the second load transmission member. May be coupled to the dash upper base wall.

In this case, the load input to the steering hanger is distributed over a wider area of the dash upper base wall through the path via the hanger bracket and the load transmission member and the path via the second hanger bracket and the second load transmission member. Will be transmitted.

The second load transmitting member may be arranged in front of the fixed portion of the steering column on the steering hanger and at a position wrapping with the fixed portion in the vehicle width direction.

In this case, when an impact load is input from the front of the vehicle to the position in front of the fixing portion of the steering column in the dash upper member, the impact load is applied to the fixing portion of the steering column on the steering hanger via the second load transmission member. Is transmitted to the vicinity of. At this time, the impact load is also transmitted from the dash upper base wall to a position separated from the fixed portion of the steering column on the steering hanger via the load transmission member and the hanger bracket. Therefore, when this configuration is adopted, the displacement of the fixed portion of the steering column on the steering hanger due to the input of the impact load can be suppressed.

In the vehicle front structure of the present invention, when a relatively small load is input to the bent wall of the second plate from the steering hanger side through the hanger bracket and the load transmitting member, the bent wall of the second plate and the upper wall of the first plate are applied. Bends and deforms. Therefore, it is possible to suppress the load transmission from the dash upper member to the windshield glass. Therefore, when the present invention is adopted, the vibration transmitted to the windshield glass through the hanger bracket and the dash upper member can be suppressed.

Further, in the vehicle front structure of the present invention, when an impact load is input to the bent wall of the second plate from the steering hanger side through the hanger bracket and the load transmission member, the bent wall of the second plate is plastically deformed forward. , The upper wall of the first plate is plastically deformed upward. Therefore, the energy of the impact load can be absorbed by these plastic deformations. Therefore, when the present invention is adopted, the energy of the impact load can be efficiently absorbed by the front portion of the hanger bracket when the impact load is input.

The perspective view which shows the vehicle front structure of the embodiment of this invention. FIG. 3 is a perspective view showing a vehicle front structure of an embodiment in which some members are removed from FIG. 1. Sectional drawing taken along the line III-III of FIG. FIG. 6 is a cross-sectional view taken along the line IV-IV of FIG. The perspective view of the stress transmission member of an embodiment. FIG. 5 is a cross-sectional view showing a part of the deformation behavior of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, an arrow FR pointing to the front of the vehicle 1, an arrow UP pointing to the upper side of the vehicle 1, and an arrow LH pointing to the left side of the vehicle 1 are written at appropriate positions in the drawing.

FIG. 1 is a perspective view of the vehicle 1 of the embodiment in which some parts are removed. FIG. 1 shows a state in which the front portion of the vehicle 1 is viewed from diagonally above the front left side. Further, FIG. 2 is a perspective view of the vehicle 1 in which some parts are further removed from FIG. 1, and FIGS. 3 and 4 are a cross-sectional view taken along the line III-III of FIG. 1 and IV-IV of FIG. It is a cross-sectional view along the line.
The vehicle 1 includes a dash upper member 10 arranged below the windshield glass 2 (see FIGS. 3 and 4) at the front of the passenger compartment C. The dash upper member 10 is a member arranged substantially along the vehicle width direction on the front side of the passenger compartment C. The dash upper member 10 of the present embodiment is connected to the dash upper plate 11 and the dash upper plate 11 that partition between the passenger compartment C and the engine room ER in front of the passenger compartment C at a position below the windshield glass 2 of the passenger compartment C. A glass support plate 12 that supports the lower edge of the windshield glass 2 is provided. The dash upper member 10 is formed in a cross-sectional shape that opens in a substantially C shape on the front side of the vehicle (engine room ER side). The opening 10a of the concave portion of the dash upper member 10 that opens to the front side of the vehicle is closed by a cowl top (not shown) and a support stiffener 16 that supports the lower end of the cowl top on the engine room ER side. FIG. 2 shows a state in which the dash upper plate 11 and the support stiffener 16 are removed.
The dash upper member 10 may have a dash upper functional portion (dash upper plate 11) and a glass support portion (glass support plate 12) formed of an integral part.

A steering hanger 14 to which the steering column 13 is fixed is arranged on the vehicle rear side of the dash upper member 10. Reference numeral 4 in FIGS. 1 and 2 is a steering wheel rotatably supported by the steering column 13.

The steering hanger 14 is a member mainly composed of a beam member such as a metal pipe extending along the vehicle width direction. The ends of the steering hanger 14 on both sides in the vehicle width direction are connected to the side wall 3 of the vehicle body near the front of the passenger compartment C. Further, the intermediate region of the steering hanger 14 in the vehicle width direction is connected to the front dash upper member 10 via the hanger brackets 15A, 15B, 15C, and the lower vehicle body skeleton member (FIG. Not shown) is also bound. The base ends of the hanger brackets 15A, 15B, and 15C are coupled to the steering hanger 14, and the tip end side extends toward the front side of the vehicle. In FIGS. 1 and 2, a total of three hanger brackets 15A, 15B, and 15C are drawn, but the number of hanger brackets is not limited to three and is arbitrary.

In the case of the present embodiment, the hanger bracket 15B is coupled to the steering hanger 14 at a position near the fixed portion of the steering column 13. Further, the hanger bracket 15A is coupled to a position outside the hanger bracket 15B joint portion of the steering hanger 14 in the vehicle width direction, and the hanger bracket 15C is further vehicle width than the joint portion of the hanger bracket 15A of the steering hanger 14. It is connected to the outer position in the direction. In this embodiment, the hanger bracket 15B constitutes the second hanger bracket.

As shown in FIGS. 3 and 4, the dash upper plate 11 is provided from the dash upper base wall 11a extending substantially horizontally along the vehicle width direction on the front side of the passenger compartment C and the rear end portion of the dash upper base wall 11a. It has a joining flange 11b extending to the rear side of the vehicle. The dash upper base wall 11a is provided with a series of recesses 11a-2 recessed downward on the rear end side of the leading edge portion 11a-1 extending substantially horizontally in the front-rear direction of the vehicle body. The recesses 11a-2 are formed over the vehicle width direction of the dash upper base wall 11a. A shelf portion 11a-3 having a lower upper surface height than the leading edge portion 11a-1 is continuously provided at the rear end portion of the recess 11a-2, and an inclined wall 11a- is provided at the rear end portion of the shelf portion 11a-3. The joining flanges 11b are continuously provided with the 4 in between.

The glass support plate 12 includes a joining flange 12a to be joined to the upper surface of the joining flange 11b of the dash upper plate 11, and an upright wall 12b standing upward from the front of the joining flange 12a (rear portion of the dash upper base wall 11a). It has a connecting wall 12c extending from the upper end of the upright wall 12b toward the front side of the vehicle, and a glass support wall 12d extending forward and downwardly from the front end of the connecting wall 12c. The lower edge of the windshield glass 2 is fixed (supported) to the upper surface of the glass support wall 12d by an adhesive or the like.

The joining flange 12a of the glass support plate 12 is integrally joined to the joining flange 11b of the dash upper plate 11 by welding or the like.
The front ends of the hanger brackets 15A, 15B, and 15C are connected to the rear surface of the upright wall 12b of the glass support plate 12 via a reinforcing plate 17 (see FIGS. 3 and 4). The base end portion of the metal load transmitting member 18 is coupled to the front surface side of the portion of the upright wall 12b to which the front end portion of the hanger bracket 15A is joined. As shown in FIG. 3, the base end portion of the load transmitting member 18 is formed by fastening members 19 such as bolts and nuts to the upright wall 12b of the glass support plate 12, the reinforcing plate 17, and the front end portion of the hanger bracket 15A. It is fixed together.

FIG. 5 is a perspective view of the load transmitting member 18.
The load transmitting member 18 has a flat base side coupling portion 18a (base end portion) that is coupled to the front end portion of the hanger bracket 15A together with the upright wall 12b of the glass support plate 12, and the base side coupling portion 18a outward in the vehicle width direction. It has a pair of inclined portions 18b extending toward the front side of the vehicle while opening (inclining), and a tip side connecting portion 18c bent so as to be substantially parallel to the base side connecting portion 18a from the tip portion of each inclined portion 18b. .. The tip-side coupling portion 18c is bent outward in the vehicle width direction at the tip portion of the inclined portion 18b. The load transmitting member 18 is formed so that the top view is substantially V-shaped. A plurality of reinforcing beads 22 are formed on each inclined portion 18b of the load transmitting member 18 so as to extend in the extending direction of the inclined portion 18b.
Reference numeral 20a in FIG. 5 is an insertion hole for the base side coupling portion 18a into which the shaft portion of the fastening member 19 is inserted. Further, reference numeral 20b in FIG. 5 is an insertion hole for the tip end side coupling portion 18c into which the shaft portion of the fastening member 21 in FIG. 4 is inserted.

A first plate 30 made of a metal plate is joined to the upper surface of the leading edge portion 11a-1 and the upper surface of the shelf portion 11a-3 of the dash upper base wall 11a of the dash upper plate 11.
The first plate 30 has a front joint portion 30a joined to the upper surface of the front edge portion 11a-1 of the dash upper base wall 11a and an upper wall 30c extending substantially horizontally from the rear end portion of the front joint portion 30a to the rear side of the vehicle. The inclined wall 30d extending diagonally downward from the rear end of the upper wall 30c, and the shelf portion 11a of the dash upper base wall 11a extending obliquely from the rear end of the inclined wall 30d to the rear side of the vehicle. It has a post-joining portion 30b to be joined to the upper surface of No. 3. The first plate 30 forms a closed cross section extending in the vehicle width direction together with the dash upper base wall 11a. The upper wall 30c and the inclined wall 30d of the first plate 30 face the internal space having the above-mentioned closed cross section.

A second plate 31 thicker than the first plate 30 is joined to the upper surface of the upper wall 30c of the first plate 30.
The second plate 31 includes a flat base wall 31a joined to the upper surface of the upper wall 30c of the first plate 30, and a bent wall 31b that bends upward and extends from the front end of the base wall 31a on the vehicle front side. Have. The second plate 31 is formed of a metal plate having a substantially L-shaped cross section substantially orthogonal to the vehicle width direction. The second plate 31 is set to have a higher bending rigidity than the first plate 30. The tip end portion (tip side coupling portion 18c) of the load transmitting member 18 is overlapped and coupled to the front surface of the bent wall 31b. In the case of the present embodiment, as shown in FIG. 4, the front surface of each distal end side coupling portion 18c of the load transmission member 18 is overlapped with the rear surface of the support stiffener 16. The bent wall 31b is fastened and fixed to the tip end side coupling portion 18c of the load transmission member 18 and the support stiffener 16 by fastening members 21 such as bolts and nuts.

In the case of the present embodiment, one second plate 31 is arranged at a position corresponding to the left and right tip side coupling portions 18c of the load transmission member 18. Therefore, the closed cross sections of the first plate 30 and the second plate 31 are formed one by one at positions corresponding to the left and right tip side coupling portions 18c of the load transmitting member 18 (positions separated in the vehicle width direction). ..
The load transmitting member 18 applies the load input from the steering hanger 14 side to the dash upper member 10 side through the hanger bracket 15A via the second plate 31 and the first plate 30 to the dash upper base wall 11a of the dash upper member 10. Communicate to.

As shown by a virtual line in FIG. 2, a load transmission member 18A having the same configuration as the load transmission member 18 is arranged on the front side of the hanger bracket 15A located in front of the fixed portion of the steering column 13. You may try to do it. In this case, the reinforcing plate 17 and the upright wall 12b of the dash upper member 10 are overlapped on the front end portion of the hanger bracket 15A, and the base end portion (base side joint portion 18a) of the load transmission member 18A is further placed on the front surface side of the upright wall 12b. ) Are stacked, and these are integrally connected by a fastening member. Further, the tip end side coupling portion 18c of the load transmission member 18A is coupled to the dash upper base wall 11a of the dash upper member 10 via the second plate 31 and the first plate 30 in the same manner as the load transmission member 18 described above. .. In this case, it is desirable that the load transmission member 18A is arranged in front of the fixed portion of the steering column 13 on the steering hanger 14 and at a position where it wraps with the fixed portion in the vehicle width direction.

In the above configuration, when a small load such as a steering operating load is transmitted to the steering hanger 14, the load is transmitted to the load transmission member 18 through the hanger bracket 15A and the upright wall 12b of the dash upper member 10. At this time, the load transmission member 18 is displaced in the vehicle front-rear direction in response to the load input. As a result, the bent wall 31b of the second plate 31 bends and deforms in the vehicle front-rear direction according to the displacement of the tip end side (tip side coupling portion 18c) of the load transmission member 18. Further, in the first plate 30, the upper wall 30c is bent and deformed in the vertical direction by receiving a load from the second plate 31. The load input from the steering hanger 14 through the hanger bracket 15A is elastically received by the bending deformation of the second plate 31 and the first plate 30. As a result, the input load is less likely to be transmitted from the dash upper member 10 in the direction of the windshield glass 2, and the vibration transmission from the steering hanger 14 to the windshield glass 2 is suppressed.

Further, when an impact load is input from the front of the vehicle, the steering hanger 14 (steering column 13) is relatively displaced toward the front of the vehicle by a force corresponding to the input load. At this time, the load transmission member 18 is relatively displaced toward the front side of the vehicle through the hanger bracket 15A and the upright wall 12b of the dash upper member 10.

FIG. 6 is a cross-sectional view showing the deformation behavior of the second plate 31 and the first plate 30 when the load transmitting member 18 is relatively displaced toward the front side of the vehicle when an impact load is input.
As shown in FIG. 6, when the load transmission member 18 is relatively displaced toward the front side of the vehicle due to the input of the impact load, the bent wall 31b of the second plate 31 is on the tip end side (tip side coupling portion 18c) of the load transmission member 18. The load F is received from the vehicle and plastically deforms so as to fall toward the front side of the vehicle. At this time, the second plate 31 transmits the pulling load with the corner portion between the bent wall 31b and the base wall 31a as a fulcrum to the upper wall 30c of the first plate 30. As a result, the upper wall 30c of the first plate 30 is plastically deformed upward, and a part of the inclined wall 30d of the first plate 30 is also plastically deformed. As a result, the energy of the impact load input to the vehicle is absorbed by the plastic deformation of the first plate 30 and the second plate 31.

As described above, in the vehicle front structure of the present embodiment, when a small load is input to the second plate 31 from the steering hanger 14 side through the hanger bracket 15A and the load transmission member 18, the bending wall 31b of the second plate 31 Since the load is distributed by bending and deforming the upper wall 30c of the first plate 30, it is possible to suppress the load transmission from the dash upper member 10 to the windshield glass 2. Therefore, when the vehicle front structure of the present invention is adopted, the vibration transmitted to the windshield glass 2 through the hanger bracket 15A and the dash upper member 10 can be suppressed. Therefore, it is possible to suppress the vibration of the windshield glass 2 and enhance the commercial value of the vehicle 1.

Further, in the vehicle front structure of the present embodiment, when an impact load is input to the second plate 31 from the steering hanger 14 side through the hanger bracket 15A and the load transmission member 18, the bent wall 31b of the second plate 31 moves forward. The upper wall 30c of the first plate 30 is plastically deformed and the upper wall 30c of the first plate 30 is plastically deformed upward, so that the energy of the impact load can be absorbed by these plastic deformations. Therefore, when the vehicle front structure of the present embodiment is adopted, the energy of the impact load can be efficiently absorbed by the front portion of the hanger bracket 15A when the impact load is input.

Further, in the vehicle front structure of the present embodiment, the load transmission member 18 is integrally formed with the base side coupling portion 18a, the pair of inclined portions 18b, and the tip end side of each inclined portion 18b. And have. Then, the base side coupling portion 18a is coupled to the upright wall 12b of the dash upper member 10 and the hanger bracket 15A, and the pair of inclined portions 18b open outward from the base side coupling portion 18a in the vehicle width direction to the front side of the vehicle. It is extending. Further, each distal end side coupling portion 18c is coupled to the bent wall 31b of the second plate 31 on the distal end side of the inclined portion 18b. Therefore, the load transmitted from the steering hanger 14 side to the base side coupling portion 18a of the load transmission member 18 is dispersed and transmitted to each inclined portion 18b, and further, in each tip side coupling portion 18c, the dash upper base wall 11a It can be transmitted to parts separated in the vehicle width direction. Therefore, when the vehicle front structure of the present embodiment is adopted, the input load can be distributed and transmitted over a wide range of the dash upper base wall 11a.

Further, in the vehicle front structure of the present embodiment, the front end side coupling portion 18c of the load transmission member 18 shields a part of the opening 10a of the concave portion of the dash upper member 10 and the support stiffener 16 and the second plate 31. It is connected to the bent wall 31b of. Therefore, the opening of the inclined portion 18b of the load transmitting member 18 at the time of load input can be regulated by the support stiffener 16. Therefore, when the vehicle front structure of the present embodiment is adopted, the load can be efficiently transmitted to the corresponding second plate 31 through each inclined portion 18b of the load transmitting member 18 and the tip side coupling portion 18c. ..

Further, another hanger bracket 15B (second hanger bracket) is arranged at a position separated from the hanger bracket 15A in the vehicle width direction, and the load transmission member 18A (second load transmission member) is superposed on the front end of the hanger bracket 15B. When the tip of the load transmitting member 18A is connected to the dash upper base wall 11a, the following effects can be further obtained.

In this case, the load input to the steering hanger 14 passes through the path via the hanger bracket 15A and the load transmission member 18 and the path via the hanger bracket 15B and the load transmission member 18A over a wider area of the dash upper base wall 11a. It will be distributed and transmitted. Therefore, in the case of the present embodiment, the input load can be stably supported in a wide range of the dash upper base wall 11a.

Further, in the above embodiment, when the load transmission member 18A is arranged in front of the fixed portion of the steering column 13 on the steering hanger 14 and at a position where it wraps with the fixed portion in the vehicle width direction, the following is further applied. The effect of can be obtained.

In this case, when an impact load from the front of the vehicle is input to the front position of the fixed portion of the steering column 13, the impact load is applied to the steering column 13 on the steering hanger 14 via the load transmission member 18A and the hanger bracket 15B. It is transmitted to the vicinity of the fixed portion and also to a position separated from the fixed portion of the steering column 13 on the steering hanger 14 via the load transmission member 18 and the hanger bracket 15A from the dash upper base wall 11a. Therefore, in the case of the present embodiment, the displacement of the fixed portion of the steering column 13 on the steering hanger 14 due to the input of the impact load can be suppressed.

The present invention is not limited to the above embodiment, and various design changes can be made without departing from the gist thereof.

2 ... Windshield glass 10 ... Dash upper member 11a ... Dash upper base wall 12b ... Standing wall 12d ... Glass support wall 13 ... Steering column 14 ... Steering hanger 15A ... Hanger bracket 15B ... Hanger bracket (second hanger bracket)
16 ... Support stiffener 18 ... Load transmission member 18a ... Base side joint 18b ... Inclined part 18c ... Tip side joint 18A ... Load transmission member (second load transmission member)
30 ... 1st plate 30c ... Upper wall 31 ... 2nd plate 31a ... Base wall 31b ... Bending wall C ... Crew room

Claims (5)

A dash upper member that is placed on the front side of the vehicle in the passenger compartment and supports the lower edge of the windshield glass,
A steering hanger that is supported by the vehicle body on the rear side of the vehicle and the steering column is fixed to the dash upper member.
A hanger bracket extending from the steering hanger to the front side of the vehicle and having a front end portion coupled to the dash upper member is provided.
The dash upper member is
The dash upper base wall extending substantially horizontally in the vehicle width direction on the front side of the vehicle in the passenger compartment,
An upright wall that stands up from the rear of the dash upper base wall,
It has a glass support wall that is connected to the upper part of the upright wall and supports the lower edge of the windshield glass.
A first plate forming a closed cross section extending substantially along the vehicle width direction with the dash upper base wall is coupled to the upper surface of the dash upper base wall.
The base end portion of the load transmitting member and the front end portion of the hanger bracket are overlapped and connected to the front and rear of the upright wall.
The tip of the load transmitting member and the upper wall of the first plate facing the internal space of the closed cross section are connected via the second plate.
The second plate is
A base wall bonded to the upper wall of the first plate and
A vehicle front structure comprising: a bent wall that bends upward from an end portion of the base wall on the front side of the vehicle and is coupled to a tip end portion of the load transmitting member. The load transmitting member is
A base-side joint that is coupled to the upright wall and the hanger bracket,
A pair of inclined portions that open outward in the vehicle width direction and extend toward the front side of the vehicle from the base side joint portion.
The vehicle front structure according to claim 1, further comprising a pair of tip-side coupling portions to be coupled to the bent wall of the second plate on the tip-end side of each of the inclined portions. A support stiffener is attached to the dash upper member to shield a part of the opening of the concave portion formed by the dash upper base wall, the upright wall, and the glass support wall.
The vehicle front structure according to claim 2, wherein the tip-side coupling portion is coupled to the support stiffener and the bending wall. A second hanger bracket extending to the front side of the vehicle is attached to a position of the steering hanger separated from the joint position with the hanger bracket in the vehicle width direction.
The upright wall of the dash upper member and the base end of the second load transmission member are overlapped and joined to the front end portion of the second hanger bracket.
The vehicle front structure according to any one of claims 1 to 3, wherein the tip end portion of the second load transmitting member is coupled to the dash upper base wall. The second load transmitting member according to claim 4, wherein the second load transmitting member is arranged in front of a fixed portion of the steering column in the steering hanger and at a position where the second load transmitting member wraps with the fixed portion in the vehicle width direction. Vehicle front structure.

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