JP2684151B2 - Grill guard with hollow profiled section - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grill guard for protecting a radiator and a radiator grill provided in a front portion of an automobile, and more particularly to a grill guard body formed of a thermoplastic resin material, The present invention relates to a grill guard in which a member forming a main part of the grill guard body is formed by a gas injection method so as to form a hollow irregular cross section as a whole.

[0002]

2. Description of the Related Art Recently, some leisure vehicle or wagon type automobiles are provided with a grill guard on the front surface of a radiator grill as shown in FIG. This includes a grill guard and a bumper guard, which are pipe-shaped frames 10 and 20 for protecting the radiator grill 90 and the like at the center of the entire surface of the vehicle body, and the pipe-shaped frames 10 and 20 for forming these grill guards and the like. Mounting bracket 3 for mounting the
It consists of 0 etc.

[0003]

Incidentally, the above-mentioned conventional one is composed of a pipe-like frame made of a steel pipe or the like, and merely serves as a functional component. Therefore, the weight (mass) is heavy, and it is not very desirable from an aesthetic point of view. Further, since it is made of a metal pipe material or the like, its cross-sectional shape or the like is restricted, and it is difficult to obtain a good-looking design. SUMMARY OF THE INVENTION It is an object (problem) of the present invention to provide a grill guard that is lightweight and has excellent design in order to solve these problems.

[0004]

Means for Solving the Problems In order to solve the above problems, the present invention takes the following measures. That is, the radiator provided in the front part of the automobile and the grill guard for protecting the grill etc. of the radiator are made of a thermoplastic resin material, are molded by a gas injection method, and have a hollow irregular cross-sectional shape. A member having a gate-shaped frame as a whole, and a lean force integrally inserted into the lower part of the member at the time of the gas injection. Based on the grill guard body consisting of the Use a structure that includes a lamp cover that is provided It was.

[0005]

By adopting the above construction, the following effects are exhibited in the present invention. That is, in manufacturing the grill guard according to the present invention, first,
As shown in FIG. 1, a member 1 having a hollow cross section is molded by a gas injection method. Then, in that case, the lean reinforcement 2 is inserted in advance in the mold of the portion forming the lower portion of the member 1 having the gate type frame shape. A thermoplastic resin material is injected into the mold set in this way. Then, in such a state, next, high-pressure gas is injected. Then, by injecting this gas,
The hollow member 1 as shown in FIG. 3 is molded. Moreover, at this time, the reinforcement 2 is integrally inserted into the lower portion of the member 1. That is, as shown in FIG. 1, the grill guard body 5 having the lean reinforcement 2 inserted in the lower portion thereof
Is formed.

By the way, the grill guard main body 5 according to the present invention has a hollow cross-sectional shape as shown in FIGS. 2 to 5, and the cross-sectional shape increases as it goes downward. Further, the lean force 2 is integrally inserted in the lower portion. Therefore, the grill guard body 5 has high strength and rigidity. Moreover, since it is formed of a hollow body made of a thermoplastic resin material, it is possible to form a free cross-sectional shape, and the degree of freedom in design is increased. Moreover, the weight (mass) can be reduced. That is, the degree of freedom in design is increased and the weight can be reduced.

[0007] The degree of freedom in design is increased,
Moreover, based on the grill guard main body 5 which has a predetermined strength and rigidity and is made lightweight, the cover 11 and the bumper guard 3 are attached to the lower portion of the grill guard main body 5, and further on the outside of the bumper guard 3. The bumper guard cover 31 is attached, and the lamp cover 6 is attached to the bumper attachment portion 55 of the grill guard body 5 as shown in FIG. 2, whereby a hollow profile section having an excellent appearance as a whole is formed. The grill guard to have is formed. And such a grill guard will be attached to a vehicle body via the attachment bracket 7 grade | etc.,.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the structure of the present embodiment is a member 1 made of a thermoplastic resin material, having a hollow cross-sectional shape, and having a gate-shaped frame shape in which the cross-sectional shape increases downward. And the lean reinforcement 2 inserted in the lower part of the member 1, and the grill guard main body 5 is formed by these.

In this basic structure, the member 1 is made of a thermoplastic resin material such as polypropylene in the present embodiment, and has a hollow cross-sectional shape by gas injection molding means in consideration of productivity and the like. Is molded to have Further, the lean reinforcement 2 is formed of a sheet metal press-molded product such as a steel plate, and is integrally insert-molded in the lower portion of the member 1 at the time of the gas injection. As shown in FIG. 1, a cover 11 is attached to the lower portion of the member 1 with screws 4 or the like (see FIG. 4) to form a grill guard body 5. A bumper guard 3 having a mounting bracket 7 for the vehicle body is connected to the lower portion of the grill guard body 5 thus formed via bolts and nuts. Further, as shown in FIG. 1, a bumper guard cover 31 for maintaining the appearance is attached to the outside of the bumper guard 3 with screws 4 or the like.

Around the mounting portion (bumper mounting portion) 55 of the grill guard main body 5 having such a structure to the bumper,
The lamp cover 6 is attached, and a resin grill guard having a hollow cross section as shown in FIG. 2 is formed. Then, such a grill guard is attached to the vehicle body side via the attachment bracket 7 or the like to protect the radiator, the grill of the radiator, and the like.

In the grill guard main body 5 of the present embodiment having the above-mentioned structure, the hollow profiled cross-sections forming the respective parts are first of all the horizontal part at the top, for example, the AA cross-section in FIG. As shown in FIG. 3, it is formed in a small size and has a prismatic hollow cross-sectional shape.
Further, as shown in FIG. 4, a portion of the lower portion near the bumper attaching portion 55, for example, a BB cross-section portion in FIG. . In addition, the cover 11 is attached by screws 4 or the like. Further, in the drawing, the U-shaped lean reinforcement 2 is configured to be integrally connected to the member 1 at the time of gas injection. It should be noted that such a hollow cross section has a bumper mounting portion 5 as shown in FIG. 5 which is a CC cross section of FIGS. 1 and 2.
It is formed only in the portion above 5. Further, the connecting portion between the member 1 and the lean force 2 is formed by a bag-shaped closed cross-section portion formed at the time of the gas injection and an open cross-section portion below it, as shown in FIG. 5, for example. It is configured to be.

As a method of mounting the cover 11, as shown in FIG. 4, in addition to the method of connecting with the screw 4 or the like, as shown in FIGS. 6 and 7, a concave groove 19 is formed in the flange portion 15 of the member 1. It is also conceivable that a groove is provided and the claw 111 provided on the cover 11 is engaged with the concave groove 19 to couple the groove. Further, as shown in FIG. 7, the surface of the cover 11 can be made large so that the flange portion 15 of the member 1 can be hidden.

Although the portion below the bumper mounting portion 55 has an open cross-sectional shape, the reinforcement 2 is inserted, and the lower portion of the reinforcement 2 further includes The bumper guard 3 is connected. The bumper guard 3 is configured to be mounted on the vehicle body via a mounting bracket 7 for mounting the vehicle body.

The operation and the like of this embodiment having the above structure will be described. First, in manufacturing the grille guard according to the present embodiment, first, as shown in FIG. 1, the member 1 having a hollow cross-sectional shape is molded by a gas injection method. Then, in that case, the lean reinforcement 2 is inserted in advance in the mold of the portion forming the lower portion of the member 1 having the gate type frame shape. A thermoplastic resin material is injected into the mold set in this way. Then, in such a state, next, high-pressure gas is injected. Then,
By injecting this gas, the hollow member 1 as shown in FIG. 3 is molded. At the same time,
The lean reinforcement 2 is integrally inserted into the lower portion of the member 1. That is, as shown in FIG. 1, the grill guard body 5 in which the lean reinforcement 2 is inserted is formed in the lower portion. The cover 11 and the bumper guard 3 are attached to the lower portion of the grill guard body 5 in such a state.
A bumper guard cover 31 is attached to the outside of the to form a grill guard having a hollow cross section.

By the way, the grill guard main body 5 according to the present embodiment has a hollow cross-sectional shape as shown in FIGS. 2 to 5, and the cross-sectional shape increases as it goes downward. Further, the lean force 2 is integrally inserted in the lower portion.
Therefore, the grill guard body 5 has high strength and rigidity. Moreover, since it is formed of a hollow body made of a thermoplastic resin material, it is possible to form a free cross-sectional shape, and the degree of freedom in design is increased.
Moreover, the weight (mass) can be reduced. That is, it is possible to form the grill guard main body 5 which is excellent in design and has a reduced weight.

In this way, as shown in FIG. 2, the bumper mounting portion 55 of the grill guard main body 5 is based on the grill guard main body 5 which has a predetermined strength and rigidity and is lightweight. By attaching the lamp cover 6, a grill guard having a hollow profile section excellent in appearance is formed as a whole. Then, such a grill guard is attached to the vehicle body via the attachment bracket 7.

[0017]

According to the present invention, a radiator provided in the front part of an automobile and a grill guard for protecting the grill of the radiator are made of a thermoplastic resin material and are molded by a gas injection method,
A member having a hollow cross-sectional shape, formed so that each cross-sectional shape becomes larger as it goes downward, and further having a gate-shaped frame shape as a whole,
A steel plate bumper guard connected to the lower part of the grill guard main body based on a grill guard main body consisting of a lean force integrally inserted into the lower part of the member at the time of gas injection,
And a bumper guard cover provided on the outside of the bumper guard, and a lamp cover provided near the mounting portion to the bumper, etc., so that the upper horizontal portion has a slim shape as a whole, The lower part of the vertical girder structure has a strong shape with high strength and rigidity, which makes it attractive in design and light in weight. Moreover, since the grill guard main body is formed by the gas injection method mainly using the thermoplastic resin material, the manufacturing process is simplified and the manufacturing cost is reduced as a whole. Further, since the thermoplastic resin material is mainly formed, it is possible to recycle resources.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing the overall configuration of the present invention.

FIG. 2 is a perspective view showing the overall configuration of the present invention.

FIG. 3 is a cross-sectional view showing a specific structure of a grill guard according to the present invention, and is a cross-sectional view along AA in FIG.

FIG. 4 is a cross-sectional view showing a specific structure of a grill guard according to the present invention, and is a cross-sectional view taken along the line BB of FIG. 2;

5 is a partial cross-sectional view showing a specific structure of the grill guard according to the present invention, which is a cross-sectional view taken along the line CC of FIG.

FIG. 6 is a cross-sectional view showing a specific structure of the grill guard according to the present invention, which is a cross-sectional view around the cover mounting portion.

FIG. 7 is a cross-sectional view showing a specific structure of the grill guard according to the present invention, which is a cross-sectional view of another embodiment around the cover mounting portion.

FIG. 8 is a perspective view showing an overall configuration of a conventional example.

[Explanation of symbols]

 1 Member 11 Cover 111 Claw 15 Flange 19 Groove 2 Reinforcement 3 Bumper guard 31 Bumper guard cover 4 Screw 5 Grill guard body 55 Mounting part (bumper mounting part) 6 Lamp cover 7 Mounting bracket

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Kaihei 3-34957 (JP, U) Kaihei 3-109824 (JP, U) Kaihei 2-294 (JP, U)

Claims (1)

(57) [Claims] 1. A method comprising a thermoplastic resin material,
The member is formed by a gas injection method, has a hollow irregular cross-sectional shape, and is formed such that each cross-sectional shape increases as it goes downward, and further has a gate-shaped frame as a whole, and a member below the member. A grill guard having a hollow irregular cross section, comprising: a lean reinforcement integrally inserted at the time of gas injection.