JP6936973B2 - Body front structure - Google Patents

Description

The present invention relates to a vehicle body front structure.

A headlamp unit is arranged at the front portion of the vehicle body, and the headlamp unit is attached to a grill component. The grill component has, for example, an upper front panel, a lower front panel, and front members arranged to the left and right of these and extending vertically. The headlamp unit is attached to a front member or the like.

In addition, a horn that outputs a horn sound is arranged around the headlamp unit. As for the attachment of the horn, for example, as disclosed in Patent Document 1, a structure is known in which the horn is attached to the radiator panel at the front portion of the vehicle body.

Japanese Unexamined Patent Publication No. 2004-203193

In order to ensure sufficient volume of the horn, it is desirable that the front of the horn is not blocked. Therefore, the horn needs to be provided at a position corresponding to an opening such as a grill at the front of the vehicle body. Further, in order to ensure the rigidity of mounting the horn, it is desirable that the horn is mounted on, for example, a front side brace of a skeleton member arranged behind the grill component.

However, since it is necessary to secure the air flow for radiator cooling air intake and engine intake intake between the left and right headlamp units, the front member and front side brace are required to overlap or be adjacent to each other in front view. .. In such a layout, if the horn is attached to the front side brace, the front member of the grill component may interfere with the horn.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicle body front structure capable of stably attaching a horn to a front side brace of the vehicle body front.

In order to achieve the above object, in the vehicle body front structure according to the present invention, a grill component is arranged at the front portion of the vehicle body, and the grill component includes an upper front panel extending in the vehicle body width direction and a vehicle body of the upper front panel. A lower front panel arranged on the lower side in the vertical direction and extending in the vehicle body width direction, and a front member arranged on both sides of the upper front panel and the lower front panel in the vehicle body width direction and extending in the vehicle body vertical direction are provided. A head lamp is arranged on the outer side of the front member in the vehicle body width direction. In the vehicle body front structure, a front side brace extending in the vehicle body vertical direction and forming a vehicle body skeleton is arranged behind the front member in the vehicle body front-rear direction, and a horn is arranged inside the vehicle body width direction of the front member. The horn has a horn mounting portion for mounting on the front side brace, and the front member is provided with a working opening for mounting the horn on the front side brace, and a detent bracket is mounted. The detent bracket is provided with a detent portion that can be engaged with the horn mounting portion.

According to the present invention, the horn can be stably attached to the front side brace at the front portion of the vehicle body.

It is a front view which looked at the car body which has the car body front structure which concerns on this invention from the front side. It is an exploded perspective view which shows the grill component of FIG. 1 and a plurality of body frame members. It is a front view which shows the state which the horn is attached to the front side brace of FIG. It is a front view which shows the state which the grill component is arranged in the front part of the front side brace and the horn of FIG. It is a rear view of the horn and the like of FIG. 4 seen from the rear side. It is a perspective view of the horn and the like of FIG. 4 seen from the inside in the width direction of the vehicle body. It is a perspective view of the horn and the like of FIG. 6 seen from the outside in the width direction of the vehicle body. (A) is a front view showing the detent bracket of FIG. 3 as a single unit, and (b) shows a modified example of the detent bracket of (a).

Hereinafter, the vehicle body front structure according to the present invention will be described with reference to the drawings (FIGS. 1 to 8). 1 to 7 show a vehicle body front structure according to an embodiment of the present invention. In the figure, the arrow Fr direction indicates the front in the vehicle body front-rear direction, and the arrow O direction indicates the outside in the vehicle body width direction. Further, the "left and right" in the description of the embodiment correspond to the "left and right" when the front is viewed from the vehicle interior (not shown).

The vehicle body front structure of the present embodiment includes a grill component 10 arranged on the rear side of the grill 1 in the front portion of the vehicle body, and a plurality of skeleton members 61 to 64 arranged on the rear side of the grill component 10. ing. The skeleton members 61 to 64 of the present embodiment include a hood lock frame 61, a lower frame 63, left and right lamp support frames 64, and left and right front side braces 62, and the front side braces 62 have a horn. 30 is attached. Further, the lamp support frame 64 supports the headlamp unit 51.

As shown in FIG. 2, the grill component 10 includes an upper front panel 11, a lower front panel 12, left and right first front members (front members) 20, and left and right second front members 25. It is constructed by assembling in a frame shape. Hereinafter, each member will be described.

The upper front panel 11 is a metal member that is arranged on the upper side of the vehicle body and extends in the width direction of the vehicle body, and has a mounting flange portion 11a that projects downward. The lower front panel 12 is a metal member that is arranged below the upper front panel 11 and extends in the width direction of the vehicle body. As shown in FIG. 2, the upper front panel 11 and the lower front panel 12 in this example are arranged substantially in parallel.

The left and right first front members 20 are metal plate-shaped members that extend in the vertical direction of the vehicle body and have front and rear surfaces facing the front and rear in the front-rear direction of the vehicle body. 1 The upper part of the front surface of the front member 20 is joined to the mounting flange portion 11a of the upper front panel 11, and the lower part of the front surface is joined to the rear surface 12a of the lower front panel 12. In this example, the left and right first front members 20 are arranged substantially symmetrically with respect to the center of the upper front panel 11 in the vehicle body width direction.

The first front member 20 on the left side is arranged on the right side of the left end of the upper front panel 11 and the lower front panel 12, and the first front member 20 on the right side is arranged on the upper front panel 11 and the lower front panel 12. It is located on the left side of the right end.

As shown in FIG. 4, an upper lamp mounting portion 21 and a lower lamp mounting portion 22 are provided on the front surfaces of the left and right first front members 20. The upper lamp mounting portion 21 is arranged above the front surface of the first front member 20 and slightly below the joint position between the front surface of the first front member 20 and the mounting flange portion 11a of the upper front panel 11. The lower lamp mounting portion 22 is arranged below the upper lamp mounting portion 21 in the upper surface thereof and slightly above the joint position between the front surface of the first front member 20 and the rear surface 12a of the lower front panel 12. ..

The upper mounting flange 53 provided on the headlamp unit 51 is joined to the upper lamp mounting portion 21, and the lower mounting flange 54 provided on the headlamp unit 51 is joined to the lower lamp mounting portion 22. There is. In this example, they are joined by spot welding. By providing the lamp mounting portions 21 and 22 on the upper and lower sides, the headlamp unit 51 can be stably mounted. As shown in FIG. 4, the headlamp unit 51 is arranged outside the first front member 20 in the vehicle body width direction. In FIG. 4, the detailed illustration of the headlamp unit 51 is omitted, and the outline shape of the appearance is shown by a broken line.

Further, as shown in FIG. 4, the first front member 20 is provided with a member work hole (work opening) 23 for attaching the horn 30 to the front side brace 62. The member work hole 23 is a through hole penetrating in the front-rear direction of the vehicle body, and is arranged between the upper lamp mounting portion 21 and the lower lamp mounting portion 22 in the vehicle body vertical direction. Further, as shown in FIGS. 5 to 7, a detent bracket 40 is attached to the rear surface of the first front member 20. The attachment of the detent bracket 40 to the first front member 20 will be described later. In FIGS. 5 to 7, the front side brace 62 to which the horn 30 is attached is not shown.

Subsequently, the left and right second front members 25 will be described. Each of the left and right second front members 25 has an upper member 26 and a lower member 27. The upper member 26 and the lower member 27 are connected to form a U-shape that opens inward in the width direction of the vehicle body.

The second front member 25 on the left side is arranged on the outside (left side) of the first front member 20 on the left side, and the upper portion of the upper member 26 of the second front member 25 on the left side is joined to the left side portion of the upper front panel 11. , The lower portion of the lower member 27 is joined to the left side portion of the lower front panel 12.

The second front member 25 on the right side is arranged on the outside (right side) of the first front member 20 on the right side, and the upper portion of the upper member 26 of the second front member 25 on the right side is joined to the right side portion of the upper front panel 11. The lower part of the lower member 27 is joined to the right side of the lower front panel 12.

The hood lock frame 61 is a metal skeleton member constituting the vehicle body skeleton, and is made of metal and has high rigidity. As shown in FIG. 2, the hood lock frame 61 is arranged on the upper portion of the vehicle body rearward in the vehicle body front-rear direction of the upper front panel 11, and extends in the vehicle body width direction.

Like the hood lock frame 61, the lower frame 63 is a metal skeleton member constituting the vehicle body skeleton, is arranged below the hood lock frame 61, and extends in the vehicle body width direction. The lamp support frame 64 is a metal high-rigidity member forming a vehicle body skeleton, which is joined to both left and right sides of the hood lock frame 61 to support the headlamp unit 51 and the like. The lamp support frame 64 is curved rearward toward the outside in the width direction of the vehicle body.

Like the hood lock frame 61 and the like, the front side brace 62 is a metal skeleton member constituting the vehicle body skeleton, and is a highly rigid member. The front side braces 62 are arranged so as to form a pair at intervals in the vehicle body width direction, and extend in the vehicle body vertical direction. The upper portion of the front side brace 62 is joined to the joint portion of the hood lock frame 61 and the lamp support frame 64 or the periphery thereof, and the lower portion of the front side brace 62 is joined to the lower frame 63.

As shown in FIG. 2, the front side brace 62 is arranged on the rear side of the first front member 20 in the front-rear direction of the vehicle body. In the present embodiment, as shown in FIG. 4, they are arranged so as to overlap the first front member 20 in a front view when viewed from the front side to the rear in the front-rear direction of the vehicle body.

Subsequently, the horn 30 will be described. As shown in FIG. 3, the horn 30 is attached to the middle portion of the front surface 62a of the front side brace 62 in the vertical direction of the vehicle body via a horn attachment member (horn attachment portion) 32. In FIG. 3, the first front member 20 is not shown.

The horn 30 is a device for outputting a horn sound by introducing air, for example, for the driver to call attention to the outside of the vehicle. The horn 30 in this example is formed in a disk shape and is a horn. A horn sound is output from the front part of 30. An air inlet is provided at the rear of the horn 30.

As an example, the sound requirement in the installation conditions of the horn 30 requires an opening area in front of the horn 30 of 50% or more. Therefore, as shown in FIG. 1, the horn 30 is arranged in the vicinity of the opening of the grill 1. Note that FIG. 1 virtually shows the horn 30, the first front member 20 of the grill component 10, and the upper front panel 11.

Further, as shown in FIGS. 4 to 7, the horn 30 of the present embodiment is arranged inside the first front member 20 in the vehicle body width direction, and is adjacent to the first front member 20. In this example, the horn 30 is arranged on the opposite side of the lamp main body 52 of the headlamp unit 51 via the first front member 20 (FIG. 4).

Further, as a heat damage requirement of the horn 30, since it is not desired to obstruct the introduction of air, it is set outside the radiator (not shown) in the vehicle body width direction. Further, as shown in FIGS. 3 and 4, when the shroud 65 is arranged, it is arranged outside the shroud 65 in the vehicle body width direction. Further, in order to suppress the vibration of the pedal or the like due to the loud room noise when the horn 30 is blown, the horn 30 needs to be fixed to a highly rigid member such as a skeleton member constituting the vehicle body skeleton. In this embodiment, as described above, it is attached to the highly rigid front side brace 62.

A horn mounting member 32 is attached to the rear portion of the horn 30 by bolts 34, nuts 33, and the like. The horn attachment member 32 is a long plate-shaped member, and one end in the longitudinal direction is attached to the rear portion of the horn 30. The other end of the horn mounting member 32 is attached to the front surface 62a of the front side brace 62 by a horn mounting bolt 37 or the like.

A bolt hole (not shown) is provided in the front surface 62a of the front side brace 62, and the horn mounting member 32 is in a state where the horn mounting bolt 37 is passed through the horn mounting member 32, and the horn mounting member 32 is the front surface 62a of the front side brace 62. It is fixed to. Further, the horn mounting member 32 is fixed in a state of being inclined upward as it goes inward in the width direction of the vehicle body. The mounting of the horn mounting member 32 will be described later.

Subsequently, the details of the detent bracket 40 will be described. The detent bracket 40 is a sheet metal plate-shaped member, and the main surface portion 41 of the detent bracket 40 is joined to the rear surface of the first front member by spot welding or the like.

The detent bracket 40 has a bracket work hole (opening) 47 and a detent portion 45. The bracket work hole 47 is a through hole that penetrates the main surface portion 41 of the detent bracket 40 in the front-rear direction of the vehicle body, and is a work hole for attaching the horn 30 to the front side brace 62. The bracket work hole 47 is arranged so as to communicate with the member work hole 23.

As shown in FIGS. 5 to 7 and 8 (a), the detent portion 45 is formed by partially cutting out the outer circumference of the detent bracket 40 inward. The upper portion and the lower portion of the detent portion 45 are configured to be engageable with the side portion of the horn mounting member 32. For example, if the horn mounting bolt 37 is slightly loosened, the horn mounting member 32 may rotate together with the horn 30 around the horn mounting bolt 37 due to vibration of the vehicle body or the like. In the present embodiment, even if the horn mounting member 32 rotates in this way, the horn mounting member 32 engages with the detent portion 45 to prevent the horn 30 and the like from rotating.

A flange 43 is provided on the outer periphery of the detent bracket 40. The flange 43 projects rearward from the main surface portion 41 at the outer peripheral portion of the detent bracket 40 and extends along the outer circumference of the detent bracket 40. A part of the flange 43 is adjacent to the horn mounting member 32 and is configured as a detent portion 45. The flange 43 constituting the detent portion 45 has a larger amount of protrusion rearward from the main surface portion 41 than the flange 43 located on the outer periphery. With this configuration, the rotation stopper 45 can reliably prevent the horn mounting member 32 from rotating.

The detent bracket 40 is arranged between the upper lamp mounting portion 21 and the lower lamp mounting portion 22. By arranging in this way, the detent bracket 40 can be arranged without interfering with the lamp mounting portion. Further, in the first front member 20, the portion where the member work hole 23 is arranged and the lamp mounting portions 21 and 22 are not provided can be reinforced by the detent bracket 40, so that the layout is stable and the layout is stable. The rigidity of the first front member 20 can also be improved.

Here, the procedure for attaching the horn 30 will be described. The horn 30 is attached with the first front member 20 arranged in front of the front side brace 62. Further, a detent bracket 40 is previously joined to the rear surface of the first front member 20 at this time.

First, the horn mounting member 32 is arranged between the front side brace 62 and the first front member 20, and the end portion of the horn mounting member 32 is placed at the position of the bolt hole on the front surface 62a of the front side brace 62. At this time, the horn mounting member 32 is stopped in a state where it is not engaged with the detent portion 45 of the detent bracket 40.

After that, the horn mounting bolt 37 is passed through the member work hole 23 and the bracket work hole 47 from the front side of the first front member 20, and further, the mounting hole (not shown) of the horn mounting member 32 is passed through. Then, it is attached to the bolt hole of the front side brace 62, and a tool (not shown) is further passed through the member work hole 23 and the bracket work hole 47 to tighten the horn mounting bolt 37. At this time, the horn 30 is attached to the horn attachment member 32. According to this assembly procedure, the horn 30 can be efficiently attached between the front side brace 62 and the first front member 20 without the horn 30 interfering with the first front member 20.

Further, according to the present embodiment, since the detent bracket 40 is joined to the portion where the member work hole 23 is provided, the rigidity around the member work hole 23 can be ensured. Further, the first front member 20 is a main member of the grill component 10, and secures the positional accuracy of the headlamp unit 51, the grill 1, and the shroud 65. By attaching the detent bracket 40 to the first front member 20, the position of the horn 30 can be appropriately arranged in relation to the grill 1 and the headlamp unit 51, so that the position where the function of the horn 30 is fully exhibited. Can be secured.

The description of the present embodiment is an example for explaining the present invention, and does not limit the invention described in the claims. Further, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.

The horn mounting member 32 in the present embodiment is configured separately from the horn 30, but is not limited to this. For example, the horn mounting portion may be integrally provided at the rear portion of the horn 30. In this case, for example, the rear portion of the horn 30 and the horn mounting portion may be integrally molded with a resin material.

Further, in the present embodiment, the opening of the detent bracket 40 is a bracket work hole 47 as shown in FIG. 8 (a) and the like, but the present invention is not limited to this, for example, as shown in FIG. 8 (b). A notch (opening) 48 communicating with the member work hole 23 may be provided in the U-shape. In this case, the portion of the notch 48 near the outer peripheral end may be the detent portion 45. Further, the member work hole 23 may also be a notch that communicates with the bracket work hole 47. In this case, the work hole may be formed by the notch and the detent bracket 40.

1 Grill 10 Grill component 11 Upper front panel 11a Mounting flange 12 Lower front panel 12a Rear 20 First front member 21 Upper lamp mounting 22 Lower lamp mounting 23 Member work hole (work opening)
25 Second front member 26 Upper member 27 Lower member 30 Horn 32 Horn mounting member 33 Nut 34 Bolt 37 Horn mounting bolt 40 Anti-rotation bracket 41 Main surface 43 Flange 45 Anti-rotation part 47 Bracket work hole (opening)
48 Notch (opening)
51 Headlamp unit (headlamp)
52 Lamp body 53 Upper mounting flange 54 Lower mounting flange 61 Hood lock frame 62 Front side brace 62a Front 63 Lower frame 64 Lamp support frame 65 Shroud

Claims (4)

A grill component is placed on the front of the car body,
The grill component has an upper front panel extending in the vehicle body width direction, a lower front panel arranged on the lower side of the upper front panel in the vehicle body vertical direction and extending in the vehicle body width direction, the upper front panel, and the lower front. It is arranged on both sides of the panel in the width direction of the car body, and has a front member that extends in the vertical direction of the car body.
In the vehicle body front structure in which the headlamps are arranged outside the front member in the vehicle body width direction,
Behind the front member in the front-rear direction of the vehicle body, a front side brace that extends in the vertical direction of the vehicle body and serves as a vehicle body skeleton is arranged.
A horn is arranged inside the front member in the vehicle body width direction.
The horn has a horn mounting portion for mounting on the front side brace.
The front member is provided with a working opening for attaching the horn to the front side brace, and a detent bracket is attached.
The vehicle body front structure is characterized in that the detent bracket is provided with a detent portion that can be engaged with the horn mounting portion. The detent bracket is joined to the rear surface of the front member.
The vehicle body front structure according to claim 1, wherein the detent bracket is provided with an opening communicating with the work opening. The detent bracket is a sheet metal plate, and the sheet metal plate is provided with a flange.
The vehicle body front structure according to claim 1 or 2, wherein a part of the flange is adjacent to the horn or the horn mounting portion and is configured as the detent portion. The front member is provided with two lamp mounting portions to which the headlamps are mounted, and the two lamp mounting portions are arranged at intervals in the vertical direction of the vehicle body.
The vehicle body front structure according to any one of claims 1 to 3, wherein the detent bracket is arranged between the two lamp mounting portions.

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