JP7147111B2 - radiator support - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator support that is positioned in front of an engine room in a vehicle and that supports a radiator.

Patent Literature 1 discloses an example of a radiator support. The radiator support includes a front upper cross member located above the radiator and extending in the vehicle width direction. Both ends of the front upper cross member in the vehicle width direction are joined to a pair of upper side members forming part of the vehicle body. Further, the radiator support has a center member located substantially in the center in the vehicle width direction. The center member extends in the vertical direction of the vehicle. The upper end of the center member is joined to the front end of the front upper cross member. A lower end of the center member is joined to a front cross member forming part of the vehicle body. As a result, the downward deflection of the front upper cross member is suppressed.

However, the radiator support is configured such that running vibration caused by engine idling or the like is directly transmitted from the vehicle body. This may cause resonance in the radiator support. In particular, in the front upper cross member described above, resonance in the vertical direction of the vehicle tends to become pronounced. Riding comfort deteriorates as resonance increases, so measures to improve this are desired.

Japanese Unexamined Patent Application Publication No. 2001-18839

SUMMARY OF THE INVENTION It is an object of the present invention to provide a radiator support capable of suppressing resonance of a member that occurs due to running vibration of a vehicle.

The radiator support provided by the present invention includes a pair of side members extending in the vehicle vertical direction and positioned on both sides of the radiator in the vehicle width direction, and a pair of side members positioned above the radiator and extending in the vehicle width direction. and a beam member having both ends in the vehicle width direction joined to the pair of side members, and a reinforcing member having an upper end joined to the beam member, wherein the beam member has an upper surface facing upward of the vehicle. The reinforcing member includes a main body extending in the vertical direction of the vehicle and positioned further forward of the vehicle than the top, and a main body extending rearward of the vehicle from an upper end of the main body and extending above the top. and a joint located above the vehicle, wherein the joint is joined to the upper surface.

According to the radiator support of the present invention, it is possible to suppress the resonance of the member caused by the running vibration of the vehicle.

Other features and advantages of the present invention will become more apparent from the detailed description given below with reference to the accompanying drawings.

1 is a front view of a radiator support according to one embodiment of the invention; FIG. 2 is a right side view of the radiator support shown in FIG. 1; FIG. FIG. 2 is a partially enlarged plan view corresponding to FIG. 1, omitting the illustration of a second reinforcing member; 4 is a cross-sectional view taken along line IV-IV of FIG. 3; FIG. FIG. 2 is a partially enlarged cross-sectional view of a first modification of the radiator support shown in FIG. 1; FIG. 3 is a partially enlarged cross-sectional view of a second modification of the radiator support shown in FIG. 1;

A mode for carrying out the present invention will be described with reference to the accompanying drawings.

A radiator support A10 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG. The radiator support A10 includes a base member 11, a pair of first side members 12, a first beam member 13, a pair of second side members 14, a second beam member 15, a bumper beam 16, a first reinforcing member 21, and a second reinforcing member. 22 and struts 23. The radiator support A10 is located in front of the engine room (not shown) of the vehicle and supports the radiator 30 . In addition, FIG. 3 omits illustration of the second reinforcing member 22 for convenience of understanding.

Here, for convenience of explanation, upr shown in these figures is the upward direction of the vehicle, dwn is the downward direction of the vehicle, fr is the forward direction of the vehicle, rr is the rearward direction of the vehicle, rh is the right direction of the vehicle, and lh is the left direction of the vehicle. . In the following description, unless otherwise specified, "up and down" refers to the vertical direction of the vehicle, and "left and right" refers to the left and right of the vehicle in the lateral direction (vehicle width direction). When front and rear are used without special mention, they refer to front and rear in the longitudinal direction of the vehicle.

The base member 11 extends in the vehicle width direction, as shown in FIG. As shown in FIG. 2, the lower end of radiator 30 is attached to base member 11 via damper 31 . Damper 31 is made of rubber, for example.

The pair of first side members 12 are positioned on both sides of the radiator 30 in the vehicle width direction, as shown in FIG. As shown in FIGS. 1 and 2, each of the pair of first side members 12 extends in the vertical direction of the vehicle. Each lower end of the pair of first side members 12 is joined to the base member 11 .

The first beam member 13 is located above the radiator 30 in the vehicle, as shown in FIG. The first beam member 13 extends in the vehicle width direction. Both ends of the first beam member 13 in the vehicle width direction are joined to the pair of first side members 12 . In the radiator support A10, the radiator 30 is housed in a region surrounded by the base member 11, the pair of first side members 12, and the first beam member 13. As shown in FIG. Furthermore, as shown in FIG. 2 , the upper end of radiator 30 is supported by first beam member 13 via damper 31 .

As shown in FIGS. 1-3, the first beam member 13 includes a first top portion 131 and a front wall portion 132 . The first top portion 131 is located at the upper end of the first beam member 13 . The first top portion 131 has an upper surface 131A facing upward of the vehicle. The front wall portion 132 hangs downward from the front end of the first top portion 131 toward the vehicle. In the example shown by the radiator support A10, the cross section perpendicular to the vehicle width direction of the first beam member 13 is an open cross section with an open lower end.

The pair of second side members 14 extends upward from the pair of first side members 12 as shown in FIGS. 1 and 2 . The lower ends of the pair of second side members 14 are individually joined to the upper ends of the pair of first side members 12 . As viewed from the front of the vehicle, each of the pair of second side members 14 is bent inward in the vehicle width direction.

The second beam member 15 is positioned above the vehicle than the first beam member 13, as shown in FIGS. The second beam member 15 extends in the vehicle width direction. Both ends of the second beam member 15 in the vehicle width direction are joined to upper ends of the pair of second side members 14 . The second beam member 15 includes a second top portion 151 . The second top 151 is located at the upper end of the second beam member 15 . When the engine room hood (not shown) is closed, the hood covers the second top portion 151 from above the vehicle. In the example shown by the radiator support A10, the cross section perpendicular to the vehicle width direction of the second beam member 15 is an open cross section with an open lower end.

The bumper beam 16 is positioned between the base member 11 and the first beam member 13 in the vertical direction of the vehicle, as shown in FIGS. The bumper beam 16 is located in front of the vehicle rather than the radiator 30 . The bumper beam 16 extends in the vehicle width direction. Both ends of the bumper beam 16 in the vehicle width direction are joined to a pair of side members (not shown) forming part of the vehicle body. As a result, the radiator support A10 is configured such that traveling vibration caused by engine idling or the like is transmitted to the bumper beam 16 from the pair of side members. When the vehicle collides in the front, the impact force accompanying the collision is transmitted to the bumper beam 16 via the front bumper panel (not shown).

As shown in FIG. 1, the first reinforcing member 21 is positioned substantially at the center of the radiator support A10 in the vehicle width direction. As shown in FIGS. 2 and 3 , the upper end of the first reinforcing member 21 is joined to the first beam member 13 . A lower end of the first reinforcing member 21 is joined to the bumper beam 16 . The first reinforcing member 21 has a body portion 21A and a joint portion 21B. The body portion 21A extends in the vertical direction of the vehicle. The body portion 21A is located forward of the vehicle relative to the first top portion 131 and the front wall portion 132 of the first beam member 13 . The main body portion 21A is joined to the bumper beam 16 at the lower end of the main body portion 21A of the first beam member 13 . The joint portion 21B extends toward the rear of the vehicle from the upper end of the main body portion 21A. The joint portion 21B is located above the first top portion 131 with respect to the vehicle. The joint portion 21B is joined to the upper surface 131A of the first top portion 131 . As shown in FIG. 4, the rear end of the joint portion 21B extends to the rear edge of the upper surface 131A. The rear end of the joint portion 21B may be set at the position of the imaginary line V located in the middle of the upper surface 131A in the longitudinal direction of the vehicle.

As shown in FIG. 3 , the first reinforcing member 21 has a bulging portion 211 . The bulging portion 211 includes a first portion 211A and a second portion 211B. The first portion 211A is a portion of the bulging portion 211 that bulges forward of the vehicle in the main body portion 21A. The second portion 211B is a part of the bulging portion 211 that bulges upward in the vehicle at the joint portion 21B. In the bulging portion 211, the first portion 211A and the second portion 211B are continuous with each other. The second portion 211B has an inner surface 212 positioned above the vehicle above the upper surface 131A of the first top portion 131 of the first beam member 13 and facing the upper surface 131A. As shown in FIG. 4, the gap G between the upper surface 131A and the inner surface 212 gradually increases from the rear of the vehicle toward the front of the vehicle.

As shown in FIGS. 1 and 2, the second reinforcing member 22 has its lower end joined to the body portion 21A of the first reinforcing member 21. As shown in FIGS. The upper end of the second reinforcing member 22 is bifurcated separated in the vehicle width direction. The upper end of the second reinforcing member 22 is joined to the second top portion 151 of the second beam member 15 from below the vehicle.

As shown in FIGS. 1 and 2, the strut 23 is positioned substantially at the center of the radiator support A10 in the vehicle width direction. The strut 23 extends in the longitudinal direction of the vehicle. The upper end of strut 23 is joined to bumper beam 16 . A lower end of the strut 23 is joined to the base member 11 .

The bracket 24 has its lower end joined to the second reinforcing member 22 as shown in FIGS. Similar to the second reinforcing member 22, the upper end of the bracket 24 is forked apart in the vehicle width direction. The upper end of the bracket 24 is joined to the second top portion 151 of the second beam member 15 from above the vehicle. The bracket 24 is used to suspend and support the front bumper panel located in front of the vehicle relative to the radiator support A10.

Next, a radiator support A11, which is a first modification of the radiator support A10, will be described with reference to FIG. In the radiator support A11, the configuration of the second portion 211B, which is the swelling portion 211 at the joint portion 21B of the first reinforcing member 21, is different from that of the radiator support A10. The cross-sectional position of FIG. 5 is the same as the cross-sectional position of FIG.

As shown in FIG. 5 , in the radiator support A<b>11 , the inner surface 212 at the rear end of the second portion 211</b>B contacts the upper surface 131</b>A of the first top portion 131 of the first beam member 13 . Also in the radiator support A11, the gap G between the upper surface 131A and the inner surface 212 gradually increases from the vehicle rear side toward the vehicle front side. Furthermore, as shown in FIG. 5, the rear end of the joint 21B extends to the rear edge of the upper surface 131A. Note that the rear end of the joint portion 21B may be set at the position of the imaginary line V located in the middle of the upper surface 131A in the longitudinal direction of the vehicle, similarly to the radiator support A10.

Next, a radiator support A12, which is a second modification of the radiator support A10, will be described with reference to FIG. In the radiator support A12, the configuration of the second portion 211B, which is the swelling portion 211 at the joint portion 21B of the first reinforcing member 21, is different from that of the radiator support A10. The cross-sectional position of FIG. 6 is the same as the cross-sectional position of FIG.

As shown in FIG. 6, in the radiator support A12, the distance G between the upper surface 131A of the first top portion 131 of the first beam member 13 and the inner surface 212 of the second portion 211B is uniform from the vehicle rear to the vehicle front. It is like Furthermore, as shown in FIG. 6, the rear end of the joint 21B extends to the rear edge of the upper surface 131A. Note that the rear end of the joint portion 21B may be set at the position of the imaginary line V located in the middle of the upper surface 131A in the longitudinal direction of the vehicle, similarly to the radiator support A10.

Next, the effects of the radiator support A10 will be described.

The radiator support A10 includes a beam member (first beam member 13) and a reinforcing member (first reinforcing member 21). The beam member is positioned above the radiator 30 in the vehicle, extends in the vehicle width direction, and has both ends in the vehicle width direction joined to a pair of side members (first side members 12). The beam member includes a top portion (first top portion 131) having an upper surface 131A facing the vehicle upper side. The reinforcing member has a body portion 21A and a joint portion 21B. The main body portion 21A extends in the vertical direction of the vehicle and is located in front of the vehicle with respect to the top portion. The joint portion 21B extends toward the rear of the vehicle from the upper end of the main body portion 21A and is positioned above the top of the vehicle. The joint portion 21B is joined to the upper surface 131A. As a result, the beam member is pressed against the reinforcing member from above the vehicle. By adopting this configuration, it is possible to suppress resonance in the vertical direction of the vehicle that is generated in the beam member due to the running vibration of the vehicle. Therefore, according to the radiator support A10, it is possible to suppress the resonance of the members caused by the running vibration of the vehicle.

The joint portion 21B of the first reinforcing member 21 has a second portion 211B of the bulging portion 211 bulging upward of the vehicle. The second portion 211B has an inner surface 212 positioned above the vehicle above the upper surface 131A of the first top portion 131 of the first beam member 13 and facing the upper surface 131A. In the radiator support A10 and the radiator support A11, the gap G between the upper surface 131A and the inner surface 212 gradually increases from the rear of the vehicle toward the front of the vehicle. That is, the height of the cross section of the joint portion 21B with respect to the vehicle front-rear direction gradually increases from the vehicle rear side toward the vehicle front side. Here, along with the resonance in the vehicle vertical direction that occurs in the first beam member 13, a bending moment around the vehicle width direction acts on the joint portion 21B. Therefore, by adopting this configuration, the section modulus of the cross section of the joint portion 21B in the longitudinal direction of the vehicle gradually increases from the rear side of the vehicle toward the front side of the vehicle, thereby effectively resisting the bending moment. , the size of the joint 21B can be reduced.

The invention is not limited to the embodiments described above. The specific configuration of each part of the present invention can be changed in various ways.

A10, A11, A12: radiator support 11: base member 12: first side member 13: first beam member 131: first top portion 131A: upper surface 132: front wall portion 14: second side member 15: second beam member 151 : Second Top Part 16: Bumper Beam 21: First Reinforcement Member 21A: Body Part 21B: Joint Part 211: Swelling Part 211A: First Part 211B: Second Part 212: Inner Surface 22: Second Reinforcement Member 23: Strut 24: Bracket 30: Radiator G: Spacing

Claims (1)

a pair of side members extending in the vehicle vertical direction and positioned on both sides of the radiator in the vehicle width direction;
Positioned above the radiator and extending in the vehicle width direction, both ends in the vehicle width direction are joined to the pair of side members.firsta beam member;
a second beam member located above the vehicle relative to the first beam member, extending in the vehicle width direction, and having both ends in the vehicle width direction joined to upper ends of the pair of side members;
a bumper beam positioned in front of the radiator and in the lower part of the vehicle than the first beam member, and having both ends in the vehicle width direction joined to vehicle body components;
abovefirstjoined to the beam member, and the lower end is joined to the bumper beamand a first reinforcing member,
Saidfirstthe beam member includes a top portion having an upper surface facing upward of the vehicle;
The first reinforcing member extends in the vertical direction of the vehicle and extends further than the top portion.Saida body portion positioned in front of the vehicle; and a joint portion extending toward the rear side of the vehicle from an upper end of the body portion and positioned above the vehicle with respect to the top portion;
The body portion is joined to the bumper beam,
The joint portion is joined to the upper surface,
An upper end is joined to the second beam member, and a lower end is joined to the main body further comprising a second reinforcing member;
the joint portion includes a bulging portion that bulges upward from the upper surface of the vehicle;
the bulging portion has an inner surface facing the upper surface and separated from the upper surface;
The distance between the upper surface and the inner surface gradually increases from the rear of the vehicle toward the front of the vehicle. , radiator support.

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