JPH0630571Y2 - Bumper air intake opening structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a structure of an air intake opening of a bumper,
In particular, the present invention relates to an air intake opening structure of a bumper in which a deformation preventing portion formed by intersecting a vertical grid and a horizontal grid is integrally formed in the air intake opening.

[Prior Art] Conventionally, as shown in FIG. 7, an opening 21 for taking in air is formed below the bumper 11 so that the outside air is introduced into the radiator. A rib 31 as a deformation preventing portion formed by intersecting the horizontal lattice 311 and the plurality of vertical lattices 312 is integrally formed in the opening 21. Then, the opening 21 is prevented from being deformed by heat such as the outside air.

However, in the air intake opening structure of the bumper shown in FIG. 7, deformation of the opening 21 can be prevented by forming the rib 31, but the rib 31 itself, particularly the vertical lattice 31 thereof.
As shown by the imaginary line in FIG. 8, the horizontal lattice 311 between the two and the three 312 undergoes thermal deformation and becomes a wavy shape, resulting in a poor appearance.

Further, since it is necessary to provide a large number of vertical grids 312, the design becomes unsightly, and it is usually blackened to make it inconspicuous, but for this reason, it is necessary to add black coating to the vertical grids 312, and the work is complicated. Was becoming.

Therefore, as a conventional technique disclosing a structure for preventing the transverse lattice of the opening from being deformed by heat, for example, Japanese Utility Model Laid-Open No. 61-1
Japanese Patent Publication No. 92958 (Japanese Utility Model Application No. 60-78927) has been proposed, and its structure is shown in FIGS. 9 and 10.

Although this structure is the structure of a radiator grill, a horizontal lattice 321 arranged in the air intake opening 22 is used.
A structure in which a part of the lower outer surface of the above is supported by the reinforcing member 41 to prevent deformation due to heat is considered.

[Problems to be solved by the device]

However, in the air intake opening structure shown in FIGS. 9 and 10, only a part of the horizontal lattice 321 is supported, and the support also supports the lower outer surface of the horizontal lattice 321. The reinforcing function of the reinforcing member 41 was insufficient.

That is, since only a part of the horizontal grid 321 is supported, deformation may occur in other horizontal grids, and even if the reinforcing member 41 is arranged along the entire length in the longitudinal direction thereof, the vertical grid 322 of the reinforcing member 41 is not supported. It is necessary to cut out corresponding portions, and as a result, the reinforcing member 41 has a missing tooth shape cut out by the number of the vertical grids 322, and the reinforcing function as the reinforcing member cannot be sufficiently exerted.

In view of this, the present invention intends to provide a structure in which the reinforcing function of the horizontal lattice of the air intake opening of the bumper is sufficient to prevent the horizontal lattice from being thermally deformed.

[Means for Solving the Problems]

Therefore, in the structure in which the deformation preventing portion formed by intersecting the vertical lattice and the horizontal lattice is integrally formed in the air intake opening of the bumper, the horizontal lattice is formed in an open cross section open toward the rear of the vehicle, and the opening is formed. A reinforcing member extending along the entire length in the longitudinal direction is supported in the center of the cross section so that the reinforcing member can be inserted and removed freely.

[Action]

According to the above-mentioned means, since the reinforcing member extends over the entire length in the longitudinal direction within the open cross section of the horizontal lattice, the horizontal lattice can be firmly supported by the reinforcing member.
Completely gone. Further, since the reinforcing member is supported so as to be freely inserted into and removed from the cross section of the horizontal lattice, when the bumper is impacted, the reinforcing member moves and the reinforcing member does not deform. That is, when a slight impact (within the elastic region of the bumper) is applied to the bumper, when the bumper is restored, the reinforcing member also returns to the original position and supports the transverse lattice as before the impact. Therefore, the deformation due to heat is completely eliminated even after a slight impact.

〔Example〕

An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 5 show an embodiment of the present invention,
FIG. 1 is a rear perspective view of the air intake opening of the bumper, FIG. 2 is a front view of the opening, FIG. 3 is an enlarged view of the reinforcing member mounting portion in FIG. 1, and FIG. 4 is FIG. IV-IV sectional view of FIG. 5, and FIG. 5 is a VV sectional view of FIG.

As shown in FIG. 2, an air intake opening 2 is formed below the bumper 1, and this opening 2 has
The rib 3 as a deformation preventing portion formed by intersecting the horizontal lattice 31 and the vertical lattice 32 located at the substantially central portion of the horizontal lattice 31.
Are integrally formed.

With such an air intake opening structure of the bumper,
As shown in FIGS. 1 and 4, the horizontal lattices 31 and the vertical lattices 32 are formed in a U-shaped open cross section in which the rear side of the vehicle is open. Are arranged over the entire length of the horizontal lattice 31 in the longitudinal direction. Further, as shown in FIG. 3, one end of the mounting piece 5 is fixed to the reinforcing member 4 by a rivet 6 at the substantially central portion thereof, and the other end of the mounting piece 5 extends to the vertical lattice 32. It is adapted to be attached to the attachment portion 7 provided. As a result, the reinforcing member 4 is firmly attached.

The reinforcing member 4 has a shape along the cross-sectional shape of the horizontal lattice 31, and a reinforcing flange 41 is extended at the upper end thereof, so that the rigidity of the reinforcing member 4 itself is improved. There is.

Moreover, since the reinforcing member 4 has such a complicated cross-sectional structure,
It is formed by extrusion molding using an aluminum material.

With the above-described configuration, the horizontal lattice 31 is firmly supported by the reinforcing member 4 over the entire length in the longitudinal direction, so that the horizontal lattice 31 can be prevented from being deformed by heat such as the outside air.

Further, since the reinforcing member 4 has a mounting structure in which only one place is fixed to the vertical grid 32 via the mounting piece 6, the mounting work thereof is facilitated.

Further, since only the central portion of the reinforcing member 4 is attached to the vertical lattice 32, for example, when the vehicle is lightly collided with the wall 8 or the like, the reinforcing member 4 has the imaginary line shown in FIG. As the bumper 1 is restored after a light collision, the reinforcing member 4 also returns to its original position and can support the horizontal lattice 31 as before the light collision, because the parallel movement only causes the deformation.

FIG. 6 is a sectional view corresponding to FIG. 4 showing another embodiment.

Note that, in this embodiment, the same reference numerals as those in FIG. 4 are used for the portions corresponding to FIG. 4, and the detailed description thereof will be omitted.

Further, in another embodiment shown in FIG. 6, an extension portion 42 is formed at the lower end of the reinforcing member 4 so as to cover the lower end of the horizontal lattice 31 and is folded back.

As a result, the thermal deformation of the horizontal lattice 31 can be more completely prevented.

It should be noted that in the above embodiments, the example in which the horizontal lattice is formed in a U-shaped cross section has been described, but the present invention is not limited to this and may have any shape as long as it is an open cross section.

[Effect of device]

As described above, according to this invention, since the reinforcing member extending in the entire length in the longitudinal direction is arranged in the open cross section of the horizontal lattice, the horizontal lattice can be firmly supported, and therefore the deformation of the horizontal lattice due to heat can be completely prevented. . Further, since the reinforcing member is supported so as to be freely inserted into and removed from the cross section of the horizontal lattice, the deformation due to heat can be completely prevented even after a slight impact is applied to the bumper.

[Brief description of drawings]

1 to 5 show one embodiment of the present invention,
FIG. 1 is a rear perspective view of an air intake opening of a bumper, FIG. 2 is a front view of the opening, FIG. 3 is an enlarged view of a reinforcing member mounting portion in FIG. 1, and FIG. 4 is FIG. IV-IV sectional view of FIG. 5, FIG. 5 is a sectional view taken along line VV of FIG. 2, FIG. 6 is a sectional view corresponding to FIG. 4 showing another embodiment, and FIG. FIG. 8 is a front view, FIG. 8 is a partially enlarged view of FIG. 7, and FIG. 9 and FIG.
It is a figure and a 4th figure equivalent figure. 1 ... Bumper 2 ... Opening 31 ... Horizontal lattice 4 ... Reinforcement member

Claims (1)

[Scope of utility model registration request] 1. A structure in which a deformation prevention portion formed by intersecting a vertical lattice and a horizontal lattice is integrally formed in an air intake opening of a bumper, wherein the horizontal lattice is formed in an open cross section open toward the rear of the vehicle. ,
An air intake opening structure for a bumper, characterized in that a reinforcing member extending along the entire length in the longitudinal direction is supported in the open section so that the reinforcing member can be inserted and removed at the center thereof.