JP2019093955A - Vehicle body front structure - Google Patents

Abstract

To maintain the accuracy of a vehicle body even at the attachment of a grill component in a final stage of an assembling process with an upper front panel grill as a positional reference of the grill component, and to maintain favorable appearance quality and so forth by securing the accuracy of a parting step or the like parting from a front grill peripheral part, a front hood or the like.SOLUTION: A frame 2 or 10 in a position of an intermediate part in a vehicle body width direction has a grill component 3 in a position at a vehicle body front side of the frame 2 or 10, and the grill component 3 is constituted by assembling, into a frame shape, an upper-side front panel 31 located at an upper side of a vehicle body extending to the vehicle body width direction, a lower-side front panel 32 located at a lower side of the vehicle body extending to the vehicle body width direction, first front members 33 which are arranged while being shifted to both sides in left and right directions of the upper-side front panel 31 and the lower-side front panel 32, and second from members 34 which are arranged outside the vehicle body with respect to the first front members 33, and extend to a vehicle body vertical direction. The upper-side front panel 31 is attached to the frame 2 or 10.SELECTED DRAWING: Figure 4

Description

  The present invention relates to the structure of a front portion of a vehicle body.

  Conventionally, a front grille is attached to the front of a vehicle body for the purpose of enhancing the design of the vehicle body or preventing damage to heat exchange equipment (see, for example, Patent Document 1). In the front of the vehicle body having such a front grille, components such as an upper front panel disposed in the lower part of the front hood and a lower front panel disposed in the lower part of the front grille Is attached.

JP, 2014-69685, A

However, in the above-described conventional vehicle body front structure, parts such as the front grille, the upper front panel, and the lower front panel are separately attached to the vehicle body front, so the vehicle body at the final stage of the assembly process It had the problem that it was difficult to maintain accuracy.
Further, in the conventional structure of the front portion of the vehicle body, the upper front panel and the lower front panel are set by resin parts, while the front hood and the front fender are set by sheet metal parts. The process of painting the color was different between the parts and the sheet metal parts, and there was a problem that the colors did not match.

  The present invention has been made in view of such circumstances, and an object thereof is to configure the upper front panel as a position reference of the grill component and to attach the grill component at the final stage of the assembly process. Accuracy can be maintained, and good appearance quality can be maintained, productivity can be improved, and cost can be reduced by securing the accuracy of the front grill, the front hood, the front bumper, and the front fender, etc. Providing the structure of the front of the vehicle body.

  In order to solve the problems of the above-mentioned prior art, the present invention provides a frame which is disposed at an intermediate portion in the vehicle body width direction and extends along the vehicle body width direction, and a grille component disposed on the vehicle body front side of the frame. In the structure of the front portion of the vehicle body, the grill component is disposed on the upper side of the vehicle body, and is an upper front panel extending in the vehicle width direction, and a lower front panel disposed on the vehicle lower side and extending in the vehicle width direction; A first front member disposed on the left and right sides of the upper front panel and the lower front panel and extending in the vertical direction of the vehicle body, and a second front member disposed on the outer side of the vehicle with respect to the first front member and extending in the vertical direction It is configured by assembling a front member into a frame, and the upper front panel is attached to the frame.

As described above, the structure of the front portion of the vehicle body according to the present invention has a frame disposed along the vehicle body width direction and having a frame extending along the vehicle body width direction, and a grille component disposed on the vehicle body front side of the frame. The grill component is disposed on the upper side of the vehicle body and extends in the vehicle width direction, the lower front panel is disposed on the lower side of the vehicle body and extends in the vehicle width direction, the upper front panel and the lower portion A first front member disposed on the left and right sides of the side front panel and extending in the vertical direction of the vehicle body; and a second front member disposed on the outer side of the vehicle with respect to the first front member and extending in the vertical direction of the vehicle The upper front panel is attached to the frame.
Therefore, in the structure of the front portion of the vehicle body according to the present invention, the upper front panel is configured as the position reference of the grill component by attaching the upper front panel to the frame which is the vehicle body frame as the position reference. Even if the grille components are attached at the final stage of the vehicle body accuracy can be maintained. Along with this, since the accuracy of the front grill, the front hood, the front bumper, and the front fender, and the accuracy of the parting step between the front grill, the front bumper, and the front fender are easily maintained, the appearance quality can be maintained. The process is simplified, and the productivity can be improved and the cost can be reduced. Moreover, when the upper front panel and the lower front panel are set by sheet metal parts, the painting process can be passed while the front fender, the front hood, the upper front panel and the lower front panel are assembled, The color of these parts can be matched to further improve the appearance quality.

Further, in the structure of the front portion of the vehicle body of the present invention, the grill component is formed in a frame shape in advance, and the shape accuracy and the frame rigidity as the grill component are secured. The mounting accuracy and mounting rigidity of the headlamp etc. can be secured, deformation of the front portion of the vehicle body due to vibration etc. during operation can be reduced, and the headlamp and other devices can be reliably suspended. Moreover, in the structure of the front portion of the vehicle body of the present invention, only the grill component can be removed from the front portion of the vehicle body, so that the maintenance performance can be enhanced.

BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view which looked at the vehicle body front part to which the structure which concerns on embodiment of this invention is applied from diagonally upward from the vehicle body front side. It is the front view which looked at the grill component applied to the structure concerning the embodiment of the present invention from the vehicle body front. BRIEF DESCRIPTION OF THE DRAWINGS (a) is a perspective view shown in the state which disassembled the grill component applied to the structure which concerns on embodiment of this invention, (b) is a perspective view shown in the state which assembled the grill component of (a). It is the perspective view seen from the diagonally upper part of the vehicle body front side in the state before attaching the grill component applied to the structure concerning the embodiment of the present invention to the vehicle body front part. FIG. 4 is a perspective view showing the upper part of a second front member constituting the grill component in FIG. 3 attached to the upper front panel.

Hereinafter, the present invention will be described in detail based on the illustrated embodiments.
1 to 5 show a structure of a front portion of a vehicle body according to an embodiment of the present invention. In the figure, the direction of arrow Fr indicates the front of the vehicle, the direction of arrow O indicates the outer side of the vehicle, and the direction of arrow U indicates the upper side of the vehicle. Further, the arrow X direction indicates the vehicle body width direction, and the arrow Y direction indicates the vehicle body longitudinal direction.

As shown in FIGS. 1 and 4, a vehicle body front portion 1 having a structure according to an embodiment of the present invention is mainly disposed at an intermediate portion in the vehicle body width direction and extends along the vehicle body width direction on the vehicle body upper side. 2 or a frame of the lamp support frame 10, a grill component 3 disposed on the vehicle lock side of the hood lock frame 2 or the lamp support frame 10, and front fenders 4 disposed on both left and right sides in the vehicle width direction. And a front hood 5 that covers the top of the engine room or the motor room. Among them, the front hood 5 is positioned between the front fenders 4 on both the left and right sides, and a hood latch (not shown) provided on the hood lock frame 2 with a striker (not shown) provided projecting to the front end side. It is locked by engagement.
The front portion 1 of the vehicle body, which is positioned in front as viewed from the front of the vehicle body, has headlamps 6 provided on both left and right sides and a front bumper 7 provided at the lower end of the front end and extending along the vehicle width direction.

The grille component 3 of this embodiment is disposed on the upper side of the vehicle body as shown in FIGS. 1 to 4 and is disposed on the lower side of the vehicle body with an upper front panel 31 made of sheet metal extending in the vehicle width direction. The lower front panel 32 made of sheet metal extending in the vehicle width direction with a predetermined gap with respect to 31 and the upper front panel 31 and the lower front panel 32 are disposed closer to the left and right sides, and extend in the vehicle vertical direction A front member 33 and a second front member 34 which is disposed at an outer side of the vehicle body with respect to the first front member 33 and which extends in the vertical direction of the vehicle body are assembled in a frame shape. That is, the grill component 3 is assembled in advance in a frame shape, and has a structure capable of securing the shape accuracy as the grill component 3.
Further, as shown in FIG. 3, an upper front reinforcement 35 extending in the vehicle width direction is attached to the inner wall surface of the upper front panel 31 along the upper front panel 31. The upper front panel 31 is configured to be stiffened by attaching the Furthermore, a pair of left and right component mounting brackets 36 are attached to an intermediate portion in the vehicle body width direction of the lower front panel 32, and the component mounting portions 36 a of these component mounting brackets 36 are on the lower side of the lower front panel 32. It is provided to be located in

Moreover, in the structure of the vehicle body front part 1 of the present embodiment, as shown in FIGS. 1 and 4, the hood lock frame 2 (or the lamp support frame 10) is a vehicle body frame 11 as the upper front panel 31 as a position reference. Is attached to). Therefore, at the middle part of the upper front panel 31 in the vehicle width direction, a pair of left and right mounting pieces 31a for mounting to the hood lock frame 2 (or the lamp support frame 10) is to the vehicle rear side (hood lock frame 2 side) It is provided projecting toward the head.
Thereby, the grille component 3 of this embodiment is configured such that the upper front panel 31 is configured as a position reference, and a frame that can maintain the vehicle body accuracy even when the grill component 3 is attached at the final stage of the assembly process. It is formed in the shape structure. Further, as shown in FIG. 2, when the headlamp 6 is attached to the first front member 33 with the lamp attachment portion 61 at least at two upper and lower points using fasteners such as bolts and nuts, the grill component 3 Thus, the head lamp 6 can be mounted reflecting the positional accuracy of the head, and the mounting rigidity of the head lamp 6 can be enhanced.

Furthermore, as shown in FIGS. 2 to 4, upper portions of the first front member 33 and the second front member 34 are respectively attached to the upper front panel 31 of the present embodiment, and the attachment portion of the upper front panel 31 In the mounting portion of the first front member 33, first flat portions 31A, 33A parallel to each other and position adjustable are provided correspondingly. Further, second flat portions 31B and 34A parallel to each other and position adjustable are provided correspondingly to the mounting portion of the upper front panel 31 and the mounting portion of the second front member 34, respectively.
When the flat portions 31A, 33A, 31B, and 34A are provided at the attachment portions of the upper front panel 31, the first front member 33, and the second front member 34, which are attachment portions, the first front member 33 and the second front The members 34 allow planar movement of the upper front panel 31 in the vehicle width direction plane and the vehicle longitudinal direction plane, and can be mounted at a predetermined position. That is, in the structure of this embodiment, the positional accuracy of the upper front panel 31 is secured, and the positional accuracy of the first front member 33 and the second front member 34 is also secured. Here, the vehicle body width direction plane is a plane perpendicular to the vehicle body width direction and means a plane directly facing the vehicle body side view. Further, the vehicle body front-rear direction plane is a plane perpendicular to the vehicle body front-rear direction and means a plane directly facing the vehicle body front view.

The grill component 3 of the present embodiment has a step of manufacturing separately from the vehicle body frame 11. Therefore, after the manufacturing errors of the shapes of the first front member 33 and the second front member 34 are grasped in advance, the assembling jig is adjusted based on the upper front panel 31 to secure the positional accuracy, and the first front is secured. The member 33 and the second front member 34 are assembled to the upper front panel 31. At this time, since the adjustment of the assembling jig can be performed by the freedom of plane movement of the flat portions 31A, 33A, 31B, 34A, the adjusting operation can be performed quickly and surely with high accuracy.
In the structure of the present embodiment, the first mounting bracket 37A is provided on the upper portion of the first front member 33, and the first mounting bracket 37A is shared with and joined to the flat portion 31A of the upper front panel 31. Have a flat portion. Moreover, the first front member 33 is divided into the upper member 33a and the lower member 33b. The first mounting bracket 37A is joined to the upper member 33a, and the third mounting bracket 37B is provided to the lower member 33b. The third mounting bracket 37B is shared with the flat portion of the lower front panel 32. It has the flat part joined.

Further, as shown in FIGS. 3 to 5, the second front member 34 of the present embodiment is disposed at both left and right end portions of the upper front panel 31 in the vehicle width direction. A second mounting bracket 38A is provided on the upper portion of the second front member 34, and the upper portion of the second front member 34 is mounted on the upper front panel 31 via the second mounting bracket 38A. Therefore, the second mounting bracket 38A has a flat portion shared with and joined to the flat portion 31A of the upper front panel 31.
The second front member 34 having such a flat portion secures the rigidity of the corner of the front portion 1 of the vehicle body, and further ensures the assembly accuracy of the grille component 3 and the vehicle body frame 11. ing. Further, in the structure of the present embodiment, since the front portion of the front fender 4 is assembled to the second mounting bracket 38A, it is possible to secure the assembling accuracy of the front fender 4 with respect to the vehicle body. As a result, the assembling accuracy of the front fender 4 with the grill component 3 (particularly, the upper front panel 31) is indirectly secured, and the management of the parting step is facilitated.
The second front member 34 according to this embodiment is divided into an upper member 34 a and a lower member 34 b as in the case of the first front member 33. A second mounting bracket 38A is joined to the upper member 34a, and a fourth mounting bracket 38B is provided to the lower member 34b. The fourth mounting bracket 38B is shared with the flat portion of the lower front panel 32. It has the flat part joined.

On the other hand, in the structure of the vehicle body front portion 1 of the present embodiment, the lower frame 8 extending in the vehicle body width direction is disposed at a predetermined interval on the vehicle body lower side of the hood lock frame 2 as shown in FIG. There is. Further, front side braces 9 extending in the vertical direction of the vehicle body are stretched between the upper and lower sides of the hood lock frame 2 and the lower frame 8 on the left and right sides of the hood lock frame 2 and the lower frame 8. On both left and right sides, a lamp support frame 10 having a shape in which the vehicle body inner side portion extends in the vehicle body width direction and the vehicle body outer side portion extends toward the vehicle body rear side is provided.
Then, the hood lock frame 2, the lower frame 8, the front side brace 9, the lamp support frame 10 and the like are assembled to one another to form a frame-shaped vehicle body frame 11. Moreover, the first front member 33 and the front side brace 9 are provided at overlapping positions in a front view from the front of the vehicle body. Therefore, when the grille component 3 is assembled to the vehicle body frame 11 by attaching the upper front panel 31 to the hood lock frame 2 (or the lamp support frame 10) and attaching the lower front panel 32 to the lower frame 8, the first front Since the grille component 3 is attached to the vehicle body frame 11 in the vicinity adjacent to the upper and lower mounting positions of the members 33, the frame rigidity effects of the grille component 3 and the vehicle body frame 11 coincide with each other, and the vehicle body stiffness can be improved. It is supposed to be.

Next, an assembly procedure of the grill component 3 in the structure of the vehicle body front portion 1 of the present embodiment and a mounting procedure of the assembled grill component 3 to the vehicle body frame 11 will be described.
First, the upper front reinforcement 35 is attached to a predetermined position of the upper front panel 31. Then, the upper portion of the first front member 33 is disposed on both the left and right sides of the upper front panel 31 and the first flat portion 33A of the first front member 33 is moved in plan with respect to the first flat portion 31A of the upper front panel 31 While adjusting the position, or while positioning using the first mounting bracket 37A, the mounting portion of the first front member 33 is joined and mounted to the mounting portion of the upper front panel 31. The upper portions of the second front member 34 are disposed on the left and right sides of the upper front panel 31, and the second flat portion 34A of the second front member 34 is moved in plan with respect to the second flat portion 31B of the upper front panel 31. The mounting portion of the second front member 34 is joined and mounted to the mounting portion of the upper front panel 31 in a state where the position adjustment is performed or the positioning is performed using the second mounting bracket 38A. Furthermore, the lower portions of the first front member 33 and the second front member 34 are respectively disposed at predetermined positions of the lower front panel 32, the first front member 33 uses the third mounting bracket 37B, and the second front member 33 When the mounting portions of the first front member 33 and the second front member 34 are joined and mounted to the mounting portion of the lower front panel 32 in the same manner using the fourth mounting bracket 38B, the frame is assembled. The grill component 3 is obtained.
Thereafter, the mounting piece 31a of the upper front panel 31 is fastened and fixed to the hood lock frame 2 (or the lamp support frame 10) which is a vehicle body frame using a fastener such as a bolt. The grill component 3 is disposed in a state where the positional accuracy and the vehicle accuracy are secured by arranging the upper portion on the left and right end portions of the upper front panel 31 and tightening and fixing the upper portion of the second front member 34 via the second mounting bracket 38A. The attachment work to the vehicle body frame 11 is completed (see FIGS. 1 and 4).

Thus, the structure of the vehicle body front portion 1 according to the embodiment of the present invention is a hood lock frame 2 (or a lamp, which is a frame disposed in the middle of the vehicle body width direction and extending in the vehicle body width direction on the vehicle body upper side A support frame 10) and a grill component 3 disposed on the front side of the hood lock frame 2 (or the lamp support frame 10). The grille component 3 is disposed on the upper side of the vehicle body and extends in the vehicle width direction, the lower front panel 32 disposed on the lower side of the vehicle body and extending in the vehicle width direction, and the upper front panel 31 and the lower side. A first front member 33 disposed on the left and right sides of the front panel 32 and extending in the vertical direction of the vehicle body, and a second front member 34 disposed on the outer side of the vehicle with respect to the first front member 33 and extending in the vertical direction It is constructed by assembling in a shape. The upper front panel 31 of the grill component 3 is attached to the hood lock frame 2 (or the lamp support frame 10).
Therefore, in the structure of the vehicle body front part 1 of the present embodiment, the upper front panel 31 is a grill by attaching the upper front panel 31 to the hood lock frame 2 (or the lamp support frame 10) which is a vehicle body frame as a position reference. Since it is configured as a position reference of the component 3, even when the grill component 3 is attached at the final stage of the assembly process, the vehicle body accuracy can be maintained. And, by maintaining the accuracy of the vehicle body, the accuracy such as the step difference between the front grill 5 and the front hood 5, the front bumper 7 and the front fender 4 can be easily ensured. The quality can be maintained, the production process can be simplified, and the productivity can be improved and the cost can be reduced.

In addition, in the structure of the vehicle body front part 1 of the present embodiment, the upper front panel 31 and the lower front panel 32 are set by sheet metal parts, so the front fender 4, the front hood 5, and the upper front panel 31 And, in the assembled state of the lower front panel 32, etc., the same painting process can be passed, and the color of these parts can be matched to further improve the appearance quality.
Furthermore, in the structure of the vehicle body front part 1 of the present embodiment, the grille component 3 is formed in a frame shape in advance, and the shape accuracy and frame rigidity as the grille component 3 are secured. When the parts, for example, the headlamps 6 are attached to the first front member 33 by the lamp attachment parts 61 at least at two upper and lower points, the headlamps 6 can be attached reflecting the positional accuracy of the grille component 3, The mounting accuracy and the mounting rigidity of the front member 33 and the headlamp 6 can be secured, and the deformation of the front portion 1 of the vehicle body due to vibration or the like during driving can be reduced, and the headlamp 6 and other devices can be reliably suspended. Moreover, in the structure of the vehicle body front part 1 of the present embodiment, the front fender 4, the front hood 5, the grille component 3 and the like can be assembled independently to the vehicle body front 1, so only the grille component 3 is required. It can be removed from the vehicle body front part 1 and maintenance performance can be improved.

Further, in the structure of the vehicle body front part 1 of the present embodiment, the upper portions of the first front member 33 and the second front member 34 are respectively attached to the upper front panel 31, and the attachment portion of the upper front panel 31 and the first front The mounting portion of the member 31 is provided with first flat portions 31A, 33A parallel to each other and position adjustable, and the mounting portion of the upper front panel 31 and the mounting portion of the second front member 34 are parallel to each other The second flat portions 31B and 34A are adjustable in position.
Therefore, in the structure of the vehicle body front part 1 of the present embodiment, the first front member 33 and the second front member 34 are used as the upper front panel 31 using the first flat portions 31A, 33A and the second flat portions 31B, 34A. Since it is possible to flatly move in the vehicle width direction and the vehicle longitudinal direction, manufacturing errors of the shapes of the first front member 33 and the second front member 34 are grasped in advance, and the upper front panel 31 is used as a reference. The first front member 33 and the second front member 34 can be mounted at predetermined positions on the upper front panel 31 while adjusting the mounting jig. Therefore, according to the structure of the vehicle body front part 1 of the present embodiment, in addition to the positional accuracy of the upper front panel 31, the positional accuracy of the first front member 33 and the second front member 34 can be secured.

Furthermore, in the structure of the vehicle body front part 1 of the present embodiment, the second front member 34 is disposed at the left and right end portions of the upper front panel 31 and the second mounting bracket 38A is provided on the upper portion of the second front member 34. The upper portion of the second front member 34 is attached to the upper front panel 31 via the second mounting bracket 38A.
Therefore, in the structure of the vehicle body front portion 1 of the present embodiment, the rigidity of the corner portion of the vehicle body front portion 1 can be secured by the second mounting bracket 38A. The accuracy can be improved. Further, according to the structure of the vehicle body front portion 1 of the present embodiment, since the front portion of the front fender 4 is assembled to the second mounting bracket 38A, the assembly accuracy of the front fender 4 with respect to the vehicle body can be secured. Assembling accuracy of the grill component 3 with respect to the fender 4 can be enhanced, and the parting step can be easily managed.

  Further, in the structure of the vehicle body front portion 1 of the present embodiment, the lower frame 8 extending in the vehicle body width direction is disposed at an interval on the vehicle body lower side of the hood lock frame 2 (or the lamp support frame 10) which is a frame. Front side braces 9 extending in the vertical direction of the vehicle body are extended on the left and right sides of the hood lock frame 2 (or the lamp support frame 10) and the lower frame 8, respectively. Are provided overlapping at a position where they overlap in a front view from the front of the vehicle body. Therefore, in the structure of the vehicle body front part 1 of the present embodiment, the grill component is mounted by attaching the upper front panel 31 to the hood lock frame 2 (or the lamp support frame 10) and attaching the lower front panel 32 to the lower frame 8. When 3 is assembled to the vehicle body frame 11, the grille component 3 can be attached to the vehicle body frame 11 in the vicinity adjacent to the upper and lower attachment positions of the first front member 33. The effects of the rigidity can be matched, and the vehicle body rigidity can be further improved.

  Although the embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications and changes are possible based on the technical idea of the present invention.

  For example, the first mounting bracket 37A is joined to the upper portion of the first front member 33 in the embodiment described above, and the second mounting bracket 38A is joined to the upper portion of the second front member 34. Although provided, the position-adjustable flat portions 33A, 34A shared with the flat portions 31A, 31B of the attachment portion of the upper front panel 31 are integrally formed on the first front member 33 and the second front member 34. If possible, it is also possible to apply the first front member 33 and the second front member 34 in which the mounting brackets 37A and 38A are not provided.

1 body front 2 hood lock frame (frame)
Reference Signs List 3 grill component 4 front fender 5 front hood 6 headlamp 8 lower frame 9 front side brace 10 lamp support frame (frame)
11 Vehicle Body Frame 31 Upper Front Panel 31A First Flat Surface 31B Second Flat Surface 32 Lower Front Panel 33 First Front Member 33A First Flat Surface 34 Second Front Member 34A Second Flat Surface 38A Second Mounting Bracket

Claims (4)

In a structure of a front portion of a vehicle body, which is disposed at an intermediate portion in the vehicle body width direction and includes a frame extending along the vehicle body width direction on the vehicle body upper side and a grill component disposed on the vehicle body front side of the frame;
The grill component is disposed on the upper side of the vehicle body and extends in the vehicle width direction, the lower front panel disposed on the lower side of the vehicle body and extending in the vehicle width direction, the upper front panel and the lower front panel A frame is formed by assembling a first front member disposed on the left and right sides and extending in the vertical direction of the vehicle body, and a second front member disposed on the outer side of the vehicle with respect to the first front member and extending in the vertical direction of the vehicle body. Has been
The structure of a vehicle body front portion, wherein the upper front panel is attached to the frame.   The first front member and the second front member are respectively attached to the upper front panel, and the mounting portion of the upper front panel and the mounting portion of the first front member are parallel to each other and position adjustable. A flat portion is provided, and the attachment portion of the upper front panel and the attachment portion of the second front member are provided with a second flat portion parallel to each other and adjustable in position. The structure of the vehicle body front according to claim 1.   The second front member is disposed at both left and right end portions of the upper front panel, and a mounting bracket is provided on the upper portion of the second front member, and the upper portion of the second front member is the upper side through the mounting bracket. The structure of the front portion of a vehicle body according to claim 1 or 2, which is attached to a front panel.   Lower frames extending in the vehicle width direction are spaced apart from each other on the lower side of the vehicle body, and front side braces extending in the vertical direction are extended on the left and right sides of the frame and the lower frame. 4. The vehicle body front portion according to any one of claims 1 to 3, wherein the first front member and the front side brace are provided at positions overlapping in a front view from the front of the vehicle body. Construction.

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