JP2000344137A - Front end module structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a front end module structure capable of increasing an appearance quality and allowing an impact applied to a bumper body at the time of collision to be absorbed directly by a side frame by eliminating a space between the lower edge part of a vehicle front part and the upper edge part of a bumper body. SOLUTION: This front end module structure is formed so that a front end module 4 is installed extendedly, along the width direction of a vehicle, at the front edge parts of a pair of right and left side frames 1 and 1 installed extendedly along the longitudinal direction of the vehicle, and connected a body upper roof member. Bumper stay members 5 and 5 are fixed to the front end module 4, and the bumper stay members 5 are overlapped with the side frames 1 and 1 as viewed from the front of the vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle front end module mounting structure.

[0002]

2. Description of the Related Art In a vehicle such as a truck, a vehicle body is formed by a frame structure.

A vehicle having such a frame structure is provided with a pair of left and right side frames 1, 1 extending along the front-rear direction of the vehicle, as shown in FIGS. .

A body front edge 2 extending in the vehicle width direction is provided at a front edge of the side frames 1 and 1 via bracket members 2b and 2b and cab mounts 3 and 3 provided at left and right lower ends. Soft mounted.

[0005] The body front edge portion 2 includes
a (see Japanese Utility Model Laid-Open No. 61-512276).

A predetermined space 10 is provided between a lower edge 8 of the front part of the vehicle and an upper edge 9 of the bumper body 6, and the vehicle body roof member 2a moves up and down during traveling. Also, the lower end edge 8 of the front part of the vehicle and the upper end edge 9 of the bumper main body 6 do not interfere with each other.

[0007] In the prior art thus constructed, a bumper main body 6 is fixed to the front edge of the side frames 1 and 1 via bump pasty members 5 and 5, and the bumper main body 6 is fixed to the bumper main body 6 at the time of collision. The applied shock is absorbed by being transmitted to the side frames 1 and 1.

Further, even if the vehicle roof member 2a moves up and down during running of the vehicle, the space 10 prevents interference between the lower edge 8 of the front portion of the vehicle and the upper edge 9 of the bumper body 6. Is done.

[0009]

However, in the above-mentioned conventional vehicle, since the body front edge portion 2 is soft-mounted on the side frame 1, the amplitude of the vehicle body roof member 2a moving in the vertical direction during traveling. Is big.

For this reason, it is necessary to set a large vertical space between the space 10 provided between the lower edge 8 of the front part of the vehicle and the upper edge 9 of the bumper main body 6, and the appearance quality is deteriorated. Had been reached.

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the space between the lower edge of the front part of the vehicle and the upper edge of the bumper body to improve the appearance quality. It is an object of the present invention to provide a front end module structure capable of improving the performance and absorbing a shock applied to a bumper main body at the time of a collision directly into a side frame.

[0012]

According to a first aspect of the present invention, there is provided a front end module structure including a pair of left and right side frames extending along a front-rear direction of a vehicle. In a front end module structure in which a front end module is extended along a vehicle width direction and the front end module is connected to a vehicle roof member, a bump pasty member is fixed to the front end module. A bump pasty member is overlapped with the side frame when viewed from the front of the vehicle.

[0013] In the front end module structure according to claim 1, the bump pasty member is fixed to the front end module, so that the lower end edge of the vehicle front portion and the upper end edge of the bumper body. The space between the parts can be reduced.

For this reason, the appearance quality can be improved by setting the vertical space of the space small. Further, the position of the vehicle body roof member connected to the front end module with respect to the bumper main body can be kept constant, and the variation in the space can be reduced. The appearance quality of the part can be improved.

Further, since the bumper stay member is disposed at a position overlapping with the side frame when viewed from the front of the vehicle, an impact applied to the bumper body from the front of the vehicle is transmitted directly to the side frame via the bumper stay member. As a result, it is possible to absorb with the side frame.

Further, in the front end module structure according to the second aspect, an insertion hole for inserting the bumper stay member is formed in the front end module,
A front end portion of the bump pasty member is inserted into the insertion hole, and a rear end flange portion having a transmission surface overlapping with a front end portion of the side frame in a vehicle front view, at a rear end edge portion of the bump pasty member, 2. The front end module structure according to claim 1, wherein the front end module structure is integrally formed in a state of being close to the side frame.

In the front end module structure according to the second aspect, a transmission surface is formed integrally with a rear end flange portion of the bump pasty member, and the transmission surface is formed on the side frame when viewed from the front of the vehicle. Since it is provided close to the position overlapping the front edge, it is possible to reliably contact the transmission surface with the front edge of the side frame when an impact is applied to the bumper body. .

Furthermore, in the front end module structure according to the third aspect, a mounting portion having a substantially hat-shaped horizontal cross section is formed in a portion of the front end module overlapping a front end portion of the side frame. An insertion hole is formed at the top of the mounting portion, and a bumper stay member having a substantially hat-shaped horizontal cross section is inserted through the insertion hole at the front end of the bumper stay member. The front end module structure according to claim 2, wherein the front end module structure is joined to a rear end flange portion of the bump pasty member.

According to the third aspect of the present invention, in the front end module structure, a fastening hole for joining a flange portion of the front end module to a rear end flange portion of the bump pasty member is formed by the flange portion and the rear end portion. A structure is provided in the bump pasty section, in which a fastening member is inserted in a vehicle front-rear direction to fix the bump pasty member to the front end module.

For this reason, for example, fastening for inserting a fastening member into a pair of flat stay bodies connecting the front end portion and the rear end flange portion of the bump pasty member along the longitudinal direction of the vehicle. A transmission cross-sectional area of the stay main body to which an impact is transmitted is formed as compared with a case where a fastening member is inserted into the fastening hole from the vehicle width direction and the bump pasty member and the front end module are fastened. It is not reduced at the portion where the fastening hole is formed. For this reason, even if the bump pasty member is formed by bending a flat metal plate having no fragile portion, the strength of the bump pasty member itself in the direction of impact input can be improved.

[0021]

FIG. 1 to FIG. 4 show a front end module according to the present invention. The same or equivalent parts as those in FIGS. 5 and 6 shown in the conventional example are denoted by the same reference numerals and described.

As shown in FIG. 1, the front end module structure according to the present invention includes side frames 1, 1, a front end module 4, and bump pasty members 5, 5.

The left and right side frames 1 and 1 are provided along the longitudinal direction of the vehicle.

The front end module 4 has an opening for mounting a headlight, a radiator and the like, and a radiator grill side 4a as a vehicle front part is connected to an upper end thereof.

At the lower left and right ends of the front end module 4, insertion holes 11, 11 are formed to allow the bumper stay members 5, 5 to pass therethrough.

The bumper stay member 5 is formed in a substantially hat shape with a horizontal cross section. The front end 12 is inserted through the insertion hole 11 toward the front of the vehicle, and the transmission surface is fixed to the peripheral edge of the insertion hole 11. A pair of rear end flange portions 13,
13, a pair of flat stay bodies 5a for connecting the front end portion 12 and the rear end flange portion 13 along the vehicle front-rear direction.
5a.

Of these, bumper mounting holes 12a, 12a are formed in the front end portion 12, and the rear end flange portions 13, 1 are formed.
3 are formed with stay mounting holes 5b and 5b, respectively.

As shown in FIG. 2 and FIG. 3, a mounting portion 15 for holding the bump pasty member 5 is formed at a peripheral portion of the insertion hole 11.

The mounting portion 15 is formed so as to have a substantially hat-like horizontal cross section. The top portion 16 having the insertion hole 11 formed therein, and the mounting holes 17a for fixing the bump pasty member 5 to the front end module 4, Flange portions 17 and 17 each having an opening formed in the front-rear direction of the vehicle 17a;
There are connecting plate portions 16a, 16a connecting the top portion 16 and the flange portions 17, 17 along the vehicle front-rear direction.

Stay bodies 5a, 5 of bumper stay member 5
a is formed to be longer in the vehicle front-rear direction than the connecting plate portions 16a, 16a of the mounting portion 15, so that the insertion hole 1
When the front end 12 of the bump pasty member 5 is inserted through
The front end portion 12 is projected from the insertion hole 11 in the front direction of the vehicle, and the rear end flange portions 13 and 13 are overlapped so as to face the flange portions 17 and 17.

Then, the stay mounting holes 5b, 5b of the rear end flange portions 13, 13 are aligned with the mounting holes 17a, 17a of the flange portions 17, 17, so that the bolt members 22, 22, which are fastening members, are attached to the front and rear of the vehicle. The bolt members 22, 22 are inserted along the respective directions so that the nut members 23, 2
3 and fastened by being screwed.

A bumper body 6 is attached to a front end 12 protruding from the insertion hole 11.

The bumper body 6 is provided with a bumper mounting member 30 to which the bumper body 5 is mounted. The bumper attachment member 30 is formed in a substantially hat shape with a vertical cross section, and a rear end portion 31 abuts the front end portion 12 of the bump pasty member 5 face to face in the vehicle front-rear direction.

The rear end portion 31 is formed with bumper body mounting holes 32, 32 corresponding to the bumper mounting holes 12a, 12a provided in the front end portion 12.
a, 12a and the bumper body mounting holes 32, 32, the fastening bolt member 33 and the nut member 34 inserted in the vehicle front-rear direction.
, So that the bumper main body 6 is attached to the bump pasty member 5.

Above the insertion holes 11, 11, there are provided support brackets 25, 25 for supporting the front end module 4 when being attached to the side frames 1, 1.

These support brackets 25, 25 are soft-mounted on the side frames 1, 1 via a pair of cab mounts 3, 3 provided on the front edge of the side frames 1, 1, respectively.

The cab mounts 3 and 3 play a role of reducing the impact from the road surface on the vehicle body roof members such as the front end module 4 and the like.

The front end module 4
Is mounted on the side frame 1 via the support bracket 25, so that the bump pasty member 5 is arranged close to the side frame 1 at a position overlapping the side frame 1 when viewed from the front of the vehicle.

In the first embodiment, as shown in FIG. 3, the bolt members 22, 22 and the nut members 23, 23 as the fastening members are provided on the front edge 1a of the side frame 1 when viewed from the front of the vehicle. A bump pasty member 5 is fixed to the front end module 4 at a position not overlapping.

Next, Embodiment 1 configured as described above
The operation and effect of the front-end module structure described above will be described below.

In the front end module structure of the first embodiment, since the bump pasty member 5 is fastened to the front end module 4 by the fastening member 22,
Even when the front end module 4 soft-mounted on the side frame 1 moves up and down, the bump pasty member 5 and the bumper body 6 move up and down together with the front end module 4.

For this reason, it is possible to reduce the vertical width of the space formed between the lower edge of the front part of the vehicle and the upper edge of the bumper body 6, and to improve the appearance quality.

Further, since the position of the bumper main body 6 can always be kept constant with respect to the front part of the vehicle and the variation of the vertical width in the space can be reduced, the appearance quality can be improved also in this respect. It becomes possible to plan.

Further, since the bump pasty member 5 is disposed close to the position overlapping with the side frame 1 when viewed from the front of the vehicle, as shown by a two-dot chain line in FIG. The applied impact is transmitted directly to the side frame 1 via the bumper stay member 5 when the rear end flange portions 13 and 13 come into contact with the front end edge 1a of the side frame 1.
Is absorbed by

In particular, since the rear end flange portions 13, 13 formed at the rear end portion of the bump pasty member 5 function as transmission surfaces, when the bumper body 6 receives an impact, the rear end flange portions 13, 13 are provided. 13 and the front edge 1a are easily brought into contact with each other, and the impact is reliably transmitted.

Further, since the bumper body 6 is attached to the front end portion 12 of the bump pasty member 5 protruding from the insertion hole 11 toward the front of the vehicle, the bumper body 6 receives the impact and the side frame 1 absorbing the impact. , Only the bump pasty member 5 is interposed.

For this reason, most of the impact applied to the bumper body 6 from the front of the vehicle is, as shown in FIG. 3, the cross section of the pair of flat plate-like stay bodies 5a, 5a extending in the vehicle front-rear direction of the bump pasty member 5. The impact transmitted to the front edge 1a of the side frame 1 and absorbed by the side frame 1 and not absorbed by the side frame 1 is limited to the plate-like flange portion 13 extending in the vehicle width direction. 13
And transmitted to the front-end module 4.

For this reason, by mounting the bumper stay member 5 on the front surface of the front end module 4, the shock input to the bumper body 6 is transmitted to the side frame 1 via the bumper stay member 5 and the front end module 4. It is possible to reduce the impact transmitted to the roof member of the vehicle body such as the front end module 4 as compared with.

Further, in the front end module structure, the rear end flange portions 13, 13 of the bump pasty member 5 are overlapped with the flange portions 17, 17 extending along the vehicle width direction on the mounting portion 15, and Mounting holes 17a, 17a
The fastening members 22 are inserted into the stay mounting holes 5b in the front-rear direction of the vehicle.
It is fixed at a position that does not overlap with the front edge 1a of the side frame 1 when viewed from the front of the vehicle.

For this reason, for example, as shown by a two-dot chain line in FIG.
a, 5a and a fastening hole 5 for inserting a fastening member into the side face of the connecting plate 16a, 16a of the mounting portion 15.
c, 5c and 17b, 17b are formed in the vehicle width direction, and a fastening member is inserted into each of the fastening holes from the vehicle width direction, so that the bump end member 5 is inserted into the front end module 4.
Can be fixed without reducing the transmission cross-sectional area of the stay main bodies 5a, 5a to which the impact is transmitted, at the portions where the fastening holes 5c, 5c are formed.

Therefore, in the first embodiment, the main body 5a, which mainly transmits an impact, has no fragile portion such as a bolt mounting opening or the like where the stress tends to concentrate, and the bumper stay member 5 having a desired strength. Can be easily formed by bending a flat metal plate.

[0052]

[Modification] FIG. 4 shows a modification of the front end module structure according to the present invention. 1 to 3
The same or equivalent parts as those in FIGS. 5 and 6 are denoted by the same reference numerals and described.

The front end module structure shown in this modification has side frames 1, 1, a front end module 104, and bumper stay members 5, 5.

The front end module 4 is connected with a radiator grill side 4a as a vehicle body front part, similarly to the first embodiment of the invention.

At the lower left and right ends of the front end module 104, insertion holes 11, 11 are formed for inserting the bump pasty members 5, 5, and the bump pasty members formed similarly to the first embodiment of the present invention. 5, 5
It is fixed to the front end module 104 while being inserted through the insertion holes 11, 11.

At the periphery of the insertion holes 11, 11 of the front end module 104, recesses 4b, 4b for inserting the tip 1a of the side frame 1 in the forward direction of the vehicle are formed, respectively. At the upper edge of the concave portion 4b, a support portion 4c extending in the vehicle front-rear direction with respect to the front end module 4 is formed.

The support 4c is soft-mounted on the side frame 1 via a cab mount 3 provided at the front edge of the side frame 1.

At the place where the front edge of the side frame 1 overlaps when viewed from the front of the vehicle, rear end flange portions 13 as transmission surfaces of the bumper stay member 5 are arranged close to each other.

Other configurations, functions and effects of the front end module structure shown in the above modified example are substantially the same as those of the first embodiment of the present invention, and therefore description thereof will be omitted.

The front-end module structure according to the present invention has been described in detail with reference to the drawings. The front-end module structure according to the present invention is the first embodiment of the present invention.
The present invention is not limited to the structure shown in the modified example.

For example, in the first embodiment and the modified examples of the present invention, the case where the rear end flange portion 13 of the bumper stay member 5 is used as it is as the transmission surface has been described, but the pair of rear end flange portions 13 are connected. As described above, even when the flat transmission surface is provided integrally with the rear end flange portions 13, 13, the effects of the present invention can be obtained.

[0062]

As described above, in the front end module structure according to the first aspect, since the bump pasty member is fixed to the front end module, the lower end edge of the front part of the vehicle and the bumper main body. The space between the upper edge of the upper portion and the lower portion can be reduced.

For this reason, the vertical quality of the space can be set small to improve the appearance quality. In addition, the position of the vehicle body roof member connected to the front end module with respect to the bumper body can be kept constant, and the variation in the space can be reduced. The appearance quality of the part can be improved.

Further, since the bump pasty member is disposed at a position overlapping with the side frame when viewed from the front of the vehicle, the impact applied to the bumper body from the front of the vehicle is transmitted directly to the side frame via the bump pasty member. As a result, it is possible to absorb with the side frame.

Further, in the front end module structure according to the second aspect, a transmission surface is integrally formed on a rear end flange portion of the bumper stay member, and the transmission surface is formed on a front end edge of the side frame when the vehicle is viewed from the front. Since it is provided close to the overlapping position, it is possible to reliably bring the transmission surface into contact with the front edge of the side frame when an impact is applied to the bumper body.

In the front end module structure according to a third aspect, a fastening hole for joining a flange portion of the front end module to a rear end flange portion of the bump pasty member is provided in the flange portion and the bump pasty portion. A structure in which a fastening member is inserted in the front-rear direction of the vehicle to fix the bumper stay member to the front end module is provided.

For this reason, for example, a fastening for inserting a fastening member into a pair of flat stay bodies connecting the front end portion and the rear end flange portion of the bump pasty member along the longitudinal direction of the vehicle. A transmission cross-sectional area of the stay main body to which an impact is transmitted is formed as compared with a case where a fastening member is inserted into the fastening hole from the vehicle width direction and the bump pasty member and the front end module are fastened. It is not reduced at the portion where the fastening hole is formed. For this reason, even if the bump pasty member is formed by bending a flat metal plate having no fragile portion, the strength of the bump pasty member itself in the direction of impact input can be improved.

[Brief description of the drawings]

FIG. 1 is a first embodiment of the present invention;
FIG. 2 is an exploded perspective view of the front end module structure shown in FIG.

FIG. 2 is a vertical sectional view of the front end module structure shown in FIG. 1 along the line AA in the first embodiment;

FIG. 3 is a horizontal sectional view of the front end module structure shown in FIG. 1 along line BB in the first embodiment;

FIG. 4 is a vertical cross-sectional view showing a mounting structure of a side frame, a bump pasty member, and a front end module in a front end module structure shown in a modified example.

FIG. 5 is an exploded perspective view showing a conventional front end module structure in which a bumper body is attached to a side frame.

FIG. 6 is a schematic view showing a conventional front end module structure in which a bumper main body is attached to a side frame, from the side.

[Explanation of symbols]

 Reference Signs List 1 side frame 2a body roof member 3 cab mount 4 front end module 4a radiator grill side 5 bumper stay member 6 bumper body 11 insertion hole 12 front end portion 13 rear end flange portion 15 mounting portion 16 top portion 17 flange portion 25 support bracket 26 support Department

Claims (3)

[Claims] 1. A front end module extends along a vehicle width direction at front end edges of a pair of left and right side frames extending along a vehicle front-rear direction, and the front end module is a vehicle body roof member. A front end module structure, wherein a bump pasty member is fixed to the front end module, and the bump pastay member is overlapped with the side frame as viewed from the front of the vehicle. . 2. The front end module has an insertion hole through which the bump pasty member is inserted, and a front end of the bump pasty member is inserted through the insertion hole, and a front edge of the side frame as viewed from the front of the vehicle. The front end module according to claim 1, wherein a rear end flange portion having a transmission surface overlapping the portion is formed integrally with a rear end edge portion of the bump pasty member in a state close to the side frame. Construction. 3. A front-end module, wherein a mounting portion having a substantially hat-shaped horizontal cross section is formed at a portion overlapping with a front end edge of the side frame, and an insertion hole is formed at the top of the mounting portion. In a state where the front end portion of the bump pasty member is inserted into the insertion hole through the bump pasty member having a substantially hat-shaped horizontal cross section, the flange portion of the front end module and the rear end flange portion of the bump pasty member are The front end module structure according to claim 2, wherein the front end module structure is joined.