JPH0220148Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a rear spoiler that is attached to the rear of a vehicle body such as an automobile.

BACKGROUND TECHNOLOGY A conventional rear spoiler is described in Utility Model Application No. 58-100257 (Utility Model Application No. 60-8190).
A metal core material is embedded in a synthetic resin molded body, and the threaded portion of the mounting bolt protrudes outward from the metal core material.

Problems that the invention aims to solve In this conventional rear spoiler, the core material is a metal core material, which requires press-forming the metal into a predetermined shape, resulting in high processing and material costs, and the cost of the core material is high. In addition to these disadvantages, there were other problems in that the metal core material rusted and the rear spoiler was heavy because the core material was heavy.

This idea solved these problems that conventional rear spoilers had, and aimed to reduce the cost of the rear spoiler, prevent the core material from rusting, and make the rear spoiler lighter by making the core material lighter. be.

Means for Solving the Problems The rear spoiler of this invention has a P-shaped cross section and a rigid cardboard core fixed to the rear spoiler. The P-shaped straight portion of this core material and the higher surface of the metal mounting bracket with a step are provided in the opposite direction to the mounting surface.
The lower surface of this mounting bracket is
The head of a mounting bolt with a threaded portion protruding from the mounting surface is attached.

Function The rear spoiler of this invention has a P-shaped cross section and is fixed to a hard cardboard core material, and the linear part of the P shape is provided approximately parallel to the mounting surface of the rear spoiler, and the upper protrusion of the P shape is in the opposite direction to the mounting surface of the rear spoiler. The P-shaped straight portion of the core material and the higher surface of the stepped metal mounting bracket are
The lower surface of this mounting bracket is
By attaching the head of the mounting bolt with the threaded part protruding from the mounting surface, it is possible to easily mold hard cardboard, which is easier to mold than metal, which reduces processing and material costs. The material does not rust and the core material is lighter, making the rear spoiler lighter. Furthermore, since the core material has a P-shaped cross section, the strength is increased.

Embodiments Next, embodiments of the rear spoiler of this invention will be described with reference to the drawings.

Example 1 As shown in FIG. 2, a plate-shaped rigid cardboard that has been waterproofed in advance and has water resistance is bent into a P-shaped cross section and fixed with rivets 4 to form a core material 1 with a P-shaped cross section. urge

The P-shaped straight portion of the P-shaped cross-section core material 1 made of hard cardboard is provided substantially parallel to the mounting surface of the rear spoiler, and the P-shaped upper protruding portion 3 is provided in the opposite direction to the mounting surface of the rear spoiler.

The P-shaped straight portion of the core material 1 and the high surface 5' of the metal mounting bracket 5 having a step 5'' are fixed with the rivets 4.The metal mounting bracket 5 is provided with a step 5''. A head 6' of a mounting bolt 6 with a threaded portion 6'' protruding outward from the mounting surface side is attached to the lower surface of the mounting bracket 5.Furthermore, when installing the spoiler, the mounting bracket 5 is
The upper part of the spoiler is bent to the side opposite to the mounting surface of the spoiler to form a rising piece 5, and this rising piece 5
and the upper part of the upper protruding part 3 of the core member 1 having a P-shaped cross section are fixed with rivets 4.

Covering both ends of the upper protrusion (hollow) 3 with a P-shaped cross section of the core material 1, cover the core material 1 in the usual manner.
The core material 1, the mounting bracket 5, and the head 6' of the mounting bolt 6 are embedded in the synthetic resin molded body 7 by pouring the raw material for the synthetic resin shape into the mold and molding it. The upper protruding part 3 of the material 1 is made hollow, the threaded part 6'' of the mounting bolt 6 is made to protrude outward, and the mounting surface 7' of the synthetic resin molded body 7 is provided with drainage depressions 8, 8. This is a rear spoiler 9 that is provided at two locations.

As shown in FIGS. 3 and 4, the rear spoiler 9 of this embodiment 1 is set at a predetermined mounting position on the trunk lid 10 at the rear of the automobile, and the rear spoiler 9 mounting bolts 6 are inserted into the holes 10' of the trunk lid 10. The rear spoiler 9 is firmly attached to the trunk lid 10 by inserting the threaded portion 6'' of the mounting bolt 6 and tightening the nut 11 onto the threaded portion 6'' of the mounting bolt 6.

The rear spoiler 9 of this embodiment 1 has a P-shaped cross section made of light and easily moldable hard cardboard as the core material 1.
In addition, by making the inside of the P-shaped upper protruding part 3 of the core material 1 hollow, processing costs and material costs are lower than those of conventional products that do not have a metal core material and a hollow part, thereby reducing costs. The core material does not rust, and the core material can be made lighter to make the rear spoiler lighter. Furthermore, by making the core material 1 P-shaped in cross section, the strength of the core material can be increased, and the core material 1 having a P-shaped cross section and the mounting bracket 5 are fixed at two places, and one of the Now, since the end 3' of the straight P-shaped upper protrusion 3 of the core material 1 and the mounting bracket 5 are fixed together with rivets 4, the strength of the core material can be further increased and reinforced. Can be done.

Furthermore, the rear spoiler 9 of this embodiment 1 has a step of 5''.
By using the mounting bracket 5 with a certain shape, when the rear spoiler 9 is mounted on the trunk lid 8 of the automobile, the high part of the mounting bracket 5 does not come into direct contact with the vehicle body, so that the vehicle body is not damaged.

Also, by providing water drainage depressions 8, 8 on the mounting surface 7' of the synthetic resin molded body 7, the rear spoiler 9
When the trunk lid 10 of a car is attached to the trunk lid 10 of an automobile, water such as rainwater that has entered between the two can be discharged from the drainage depressions 8,8.

Example 2 As shown in FIG. 5, a water-resistant rigid cardboard plate is bent into a P-shaped cross section, and the end 13' of the P-shaped upper protrusion 13 and the straight part of the P-shaped are bonded together. The material is fixed with an agent 14 to form a core material 11 having a P-shaped cross section.

P of this P-shaped cross-section core material 11 made of hard cardboard
The linear portion of the shape is provided substantially parallel to the mounting surface of the rear spoiler, and the P-shaped upper protrusion portion 13 is provided in the opposite direction to the mounting surface of the rear spoiler.

The P-shaped straight portion of the core material 11 and a stepped metal mounting bracket 15 are fixed with rivets 16. The metal bracket 15 is provided with a step, and a head of a mounting bolt with a threaded portion protruding outward from the mounting surface is attached to the lower surface of the mounting bracket 15.

This core material 11 and the like are embedded in a synthetic resin molded body 17 in substantially the same manner as in Example 1, and the P-shaped upper protrusion 13 of the core material 11 is made hollow to form a molded body 17.
This is a rear spoiler 19 having two water drainage depressions 18, 18 on the mounting surface 17'.

In addition, in Examples 1 and 2, the upper protrusions 3 and 13
In the above description, the upper protrusion is hollow, but a synthetic resin molded body may be provided inside the upper protrusion to make it solid. In addition, it is preferable to fix it with rivets or with adhesive.

Effects of the invention The rear spoiler of this invention has a P-shaped cross section and a fixed hard cardboard core material, the linear part of the P shape is provided approximately parallel to the mounting surface of the rear spoiler, and the upper protrusion of the P shape is in the opposite direction to the rear spoiler mounting surface. The P-shaped straight portion of the core material and the high surface of the stepped metal mounting bracket are fixed to each other, and the low surface of the mounting bracket has a screw portion on the mounting surface side. Since the protruding head of the mounting bolt is attached, it is possible to reduce processing costs and material costs, thereby reducing the cost, as well as preventing the core material from rusting and making it lighter. The rear spoiler can be made lighter. Furthermore, by forming the core material made of hard cardboard into a P-shaped cross section, the strength of the core material can be increased.

[Brief explanation of the drawing]

Fig. 1 is a back view of one embodiment of the product of the present invention, Fig. 2 is an enlarged sectional view of Fig. 1, Fig. 3 is a side view of the same installation, Fig. 4 is an enlarged sectional view of Fig. 3, and Fig. 4 is an enlarged sectional view of Fig. 3. FIG. 5 is an enlarged sectional view of another embodiment of the product of the present invention. 1 is a core material, 2 is a straight part, 3 is a protruding part, 5 is a mounting bracket, 6 is a mounting bolt, and 7 is a synthetic resin molded body.

Claims (1)

[Scope of utility model registration request] In a rear spoiler in which the core material is embedded in a synthetic resin molded body and the threaded portion of the mounting bolt protrudes outward from the core material, the rigid cardboard core material fixed to the P-shaped cross section has a P-shaped straight section. The P-shaped upper protrusion is provided substantially parallel to the mounting surface of the rear spoiler, and is provided in the opposite direction to the mounting surface of the rear spoiler, so that the P-shaped straight portion of the core material and the stepped metal mounting bracket 1. A rear spoiler characterized in that a high-level surface is fixedly fixed to the low-level surface of the mounting bracket, and a head of a mounting bolt with a threaded portion protruding toward the mounting surface is attached to the low-level surface of the mounting bracket.