JP2005219590A - Mounting structure of front end module to vehicle body front - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a front end module structure to a vehicle body front capable of enhancing rigidity against a force in the right-to-left direction. <P>SOLUTION: The mounting structure of the front end module structure to the vehicle body front comprises a radiator core support member 20 which is composed of at least lower member 21s and an upper member 22 extending in the vehicle width direction and supports a radiator core, and lamp mounting parts 23 to mount lamp units are formed on right and left sides in the vehicle width direction of the radiator core support member 20. The lower member 21 has a closed section structure, the lower member 21 is mounted on right and left front ends of a front side member 28, and the radiator core support member 20 has a rigid mount structure. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a structure for attaching a front end module to a front part of a vehicle body, which is configured by sub-assembling a head lamp unit, a front bumper, and the like on a radiator core support member.

  Conventionally, a radiator support member 1 having a structure shown in FIGS. 1 and 2 is known. The radiator core support member 1 includes an upper member 2 that is provided with side portions 3 that are curved on both left and right sides and projecting rearward, and that extends in the vehicle width direction. A lower member 4 extending in the direction, a pair of left and right side stay portions 5 connecting the upper member 2 and the lower member 4 in the vertical direction, and a connecting portion between the side stay portion 5 and the upper member 2 facing outward in the vehicle width direction. And a lamp mounting portion 6 to which a head lamp unit (not shown) is mounted.

The upper member 2 and the lower member 4 are connected to each other by a hood lock stay portion 7 that extends in the vertical direction at the center in the vehicle width direction. The radiator core support member 1 constitutes a front end module by attaching a headlamp unit (not shown) to the lamp attachment portion 6 (see, for example, Patent Document 1).
JP 2003-81135 A (see FIGS. 1 to 3)

    By the way, in this conventional front end module structure, as shown in FIG. 3, a plurality of bolt insertion holes 16 are formed in a collar member C which is insert-molded in the side stay portion 5 of the vehicle body and the base portion 6A of the lamp mounting portion 6. The base portion 6A of the side stay portion 5 and the lamp mounting portion 6 is abutted against the front side member SB as the front portion of the vehicle body, and a bolt (not shown) is inserted into the bolt insertion hole 16, and the front is supported by the bolt. The end module is attached to the front side member SB.

  As described above, the conventional front end module is structured to be attached to the front side member SB as the front portion of the vehicle body by the bracket composed of the flat single side stay portion 5, so that it is deformed by the force applied from the vehicle width direction. There is a problem that it is easy to receive and has low rigidity in the left-right direction.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a structure for attaching a front end module structure to a front portion of a vehicle body that can increase rigidity against a force in the left-right direction.

The structure for attaching the front end module to the front part of the vehicle body according to claim 1 comprises a radiator core support member that is formed of at least a lower member and an upper member extending in the vehicle width direction and supports a radiator core. In the case where the lamp mounting part for mounting the lamp unit is formed on both the left and right sides of the support member in the vehicle width direction,
The lower member has a closed cross-sectional structure, the lower member is attached to left and right front ends of a front side member, and the radiator core support member has a rigid mount structure.

  The structure for attaching the front end module to the front part of the vehicle body according to claim 2 is characterized in that the lower member extends to the attachment part of the cradle frame that supports the engine toward the rear of the vehicle body, and a bolt is attached to the extension part of the lower member. An insertion hole is formed, and the lower member is fastened to the front side member together with the cradle frame by a bolt.

  The structure for attaching the front end module to the front part of the vehicle body according to claim 3 is characterized in that an open space for opening the bolt insertion hole toward the rear of the vehicle body is formed in the extended part.

  The structure for attaching the front end module to the front part of the vehicle body according to claim 4 includes a collar member provided between the extension part and the attachment part of the cradle frame, and the extension part and the cradle frame are connected to each other. A gap in the height direction between the mounting portion and the mounting portion is adjusted.

  According to the first aspect of the present invention, the lower member of the radiator core support member has a closed cross-sectional structure, the lower member is attached to the front end portion of the front side member, and the radiator core support member has a rigid mount structure. The rigidity in the left-right direction can be improved as compared with the case.

  According to the second aspect of the present invention, the lower member is extended toward the rear of the vehicle body up to the mounting portion of the cradle frame that supports the engine, the bolt insertion hole is formed in the extended portion, and the front portion together with the cradle frame is formed by the bolt. Since the lower member is fastened together with the side member, a special bolt can be eliminated to fix the conventional side stay portion 5 to the front side member SB. The number of parts can be reduced and the weight can be reduced.

  According to the third aspect of the invention, since the open space for opening the bolt insertion hole toward the rear is formed in the extended portion, the radiator core support member can be removed from the front side member only by loosening the bolt. And easy to maintain.

  According to the invention described in claim 4, since the collar member is provided between the extension portion and the attachment portion, and the gap in the height direction between the extension portion and the attachment portion is adjusted, It is possible to facilitate the absorption of the tolerance in the height direction.

  Embodiments of a front end module structure according to the present invention will be described below with reference to the drawings.

  FIG. 4 is a perspective view showing the structure of the front end module according to the present invention. In FIG. 4, reference numeral 20 denotes a radiator core support member. The radiator core support member 20 includes a lower member 21 and an upper member 22. The lower member 21 and the upper member 22 extend in parallel to the vehicle width direction with a gap in the vertical direction.

  On both the left and right sides of the lower member 21 and the upper member 22 in the vehicle width direction, lamp mounting portions 23 that extend in the vertical direction are provided between the lower member 21 and the upper member 22. A hood lock stay 24 extending in the vertical direction is provided between the lower member 21 and the upper member 22 at the center in the vehicle width direction of the lower member 21 and the upper member 22. A head lamp unit (not shown) is sub-assembled in the lamp mounting portion 23 to form a front end module.

  The lower member 21 has a closed cross-sectional structure, and both left and right end portions thereof are erected in the height direction as shown in FIGS. 5 and 6, and the erected portion 25 has a closed cross-sectional shape extending toward the rear of the vehicle body. An extending portion 25A is provided. As shown in FIG. 7, a horseshoe-shaped collar member 26 is attached to the extended portion 25A. The lamp mounting portion 23 is fixed to the standing portion 25 of the lower member 21.

  The radiator core support member 20 is fastened together with a cradle frame 29 for installing an engine to a front side member 28 as a front portion of the vehicle body as shown in FIG. A cradle frame attaching portion 30 is formed at the lower end of the front end portion of the front side member 28. The cradle frame attaching portion 30 is formed with an embedded nut 32 that is screwed into the bolt 31. As shown in FIG. 6, the cradle frame 29 is formed with a screw hole 33 that is screwed into the bolt 31 at a location facing the embedded nut 32.

  The collar member 26 is used to adjust a height direction gap between the extending portion 25A and the cradle frame attaching portion 30, and has a bolt insertion hole 34 as shown in FIG. As shown in FIG. 7, the collar member 26 has an open space 35 that opens the bolt insertion hole 34 toward the rear of the vehicle body.

  The front end module is fastened to the front side member 28 by using bolts 31 to fasten the extended portion 25 </ b> A of the lower member 21 together with the cradle frame 29 to the cradle frame mounting portion 30. The upper member 22 is fixed to a front end portion of a hood member (not shown) as a vehicle body skeleton member by a fastening member such as a bolt and a nut at an appropriate position.

  According to the embodiment of the present invention, the bolts 31 are used to fasten the extended portion 25A of the lower member 21 together with the cradle frame 29 together with the cradle frame mounting portion 30 to fasten the front side member 28. The conventional side stay portion 5 shown in FIG. 1 and the bolt 16 dedicated to fixing the side stay portion 5 to the front side member SB can be eliminated, and the number of parts of the radiator core support member 20 compared to the conventional case is reduced. The lower member 21 of the radiator core support member 20 has a closed cross-sectional structure, and the lower member 21 is attached to the left and right front ends of the front side member 28 to rigidly mount the radiator core support member 20. Compared to the conventional one because of the structure It is possible to improve the right direction stiffness.

  Further, according to this embodiment, the collar member 26 is provided between the extending portion 25A and the cradle frame attaching portion 30, and the gap in the height direction between the extending portion 25A and the cradle frame attaching portion 30 is provided. Since the configuration is adjusted, absorption of tolerance in the height direction can be facilitated.

  Furthermore, since the open space 35 for opening the bolt insertion hole 34 toward the rear of the vehicle body is formed in the extending portion 25A, the bolt 31 is loosened and the radiator core support member 20 is pulled out from the front side member 28 toward the front of the vehicle body. Accordingly, the radiator core support member 20 can be easily detached from the front side member 28, and the maintenance thereof is easy.

It is a perspective view which shows an example of the structure of the conventional front end module. It is a perspective view which decomposes | disassembles and shows one side part of the upper member shown in FIG. It is sectional drawing which shows an example of the attachment to the front side member of the conventional front end module. It is a perspective view which shows an example of the structure of the front end module concerning this invention. It is a side view which shows the attachment to the front-end part of the front side member of the lower member shown in FIG. It is a perspective view which shows the attachment to the front-end part of the front side member of the lower member shown in FIG. It is sectional drawing of the extending part which follows the XX line of FIG. It is sectional drawing of the extending part which follows the YY line of FIG.

Explanation of symbols

20 ... Radiator core support member 21 ... Lower member 22 ... Upper member 23 ... Lamp mounting portion 28 ... Front side member

Claims (4)

A radiator core support member is formed by at least a lower member and an upper member extending in the vehicle width direction and supports a radiator core. Lamp attachment portions for attaching lamp units to both left and right sides of the radiator core support member in the vehicle width direction are provided. In the structure for mounting the front end module formed to the front of the vehicle body,
A structure for mounting a front end module to a front part of a vehicle body, wherein the lower member has a closed cross-sectional structure, the lower member is attached to left and right front ends of a front side member, and the radiator core support member has a rigid mount structure. .   The lower member is extended to the mounting portion of the cradle frame that supports the engine toward the rear of the vehicle body, a bolt insertion hole is formed in the extended portion of the lower member, and the front side member together with the cradle frame is formed by the bolt. The structure for attaching the front end module to the front portion of the vehicle body according to claim 1, wherein the front end module is fastened together.   The structure for attaching the front end module to the front portion of the vehicle body according to claim 2, wherein an open space for opening the bolt insertion hole toward the rear of the vehicle body is formed in the extended portion.   A collar member is provided between the extension portion and the attachment portion of the cradle frame, and a gap in a height direction between the extension portion and the attachment portion of the cradle frame is adjusted. The structure for attaching the front end module according to claim 3 to the front portion of the vehicle body.

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