JPH0722865U - Mounting structure for small parts - Google Patents

Abstract

(57) [Abstract] [Purpose] The objective is to form a reinforcement structure for the opening for mounting small parts with a simple mold, and to give this part a shock absorbing function. [Structure] Mounting flanges 20 are integrally formed on both side edges of the opening 12 via hinge portions 21 so as to be located on substantially the same plane as the PP resin molded body 11. Based on the hinge portions 21, the mounting flanges 20 are mounted. The small body component 30 is supported by the mounting flange 20 via the locking means while standing upright on the rear surface side, and the tip of the mounting flange 20 is brought into contact with the vehicle body panel 40, so that the vehicle body panel 40 is impacted. At this time, the mounting flange 20 is broken to absorb the shock.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a small-part mounting structure for mounting a small part such as a step lamp in a door pocket made of a PP resin molding.

[0002]

[Prior art]

 For example, as shown in FIG. 5, a door pocket 2 made of a PP resin molding is attached to the lower side of the surface of the door trim 1, and the door pocket 2 is used to illuminate a foot portion of an occupant. A step lamp 3 is installed.

6A and 6B are explanatory views of the opening 4 into which the step lamp 3 is fitted, as viewed from the back surface side of the door pocket 2. In order to maintain the rigidity of the opening 4, FIG. A plate-shaped reinforcing rib 5 and a box-shaped reinforcing rib 6 are integrally formed on the back surface lateral to the opening 4.

[0004]

[Problems to be solved by the device]

 Thus, conventionally, when attaching small parts such as the step lamp 3 to the door pocket 2, the reinforcing ribs 5 and 6 are usually installed to maintain the rigidity around the opening 4, but due to the problem of surface sinkage, Since the plate-shaped reinforcing ribs 5 are limited in thickness and height, a sufficient reinforcing function cannot be obtained, and in order to form the box-shaped reinforcing ribs 6, the slide type is used because the locking holes 6a are set. It has been pointed out that the mold cost must rise and the product cost must rise.

The present invention has been made in view of such circumstances, and in a mounting structure of a small part for mounting a small part in an opening formed in a PP resin molded body such as a door pocket, a molding die is provided. It is an object of the present invention to provide a mounting structure for small parts that can be molded by an inexpensive mold structure that does not require a slide core and that can effectively absorb the impact when the vehicle is impacted.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a small component mounting structure in which a small component is fitted and fixed in an opening formed in a PP resin molded body, and a hinge portion is provided on both side edges of the opening. The mounting flange is integrally formed so as to be located on substantially the same plane as the PP resin molded body, and the mounting flange is erected on the back side based on the above-mentioned hinge portion, and both side surfaces of the small component are provided with locking means. The mounting flange is supported via the above-mentioned mounting flange, and the tip of the mounting flange is brought into contact with the vehicle body panel so that when the vehicle body panel is impacted, the impact is absorbed by breaking the mounting flange. To do.

Further, the mounting flange is characterized in that a notch portion or an inclined piece for intensively receiving an impact load applied to the vehicle body panel is formed.

[0008]

[Action]

 As is apparent from the above configuration, the mounting flange formed on the same plane as the PP resin molded body so as to project from the both side edges of the opening into the opening is operated to stand up on the back surface side based on the hinge portion. Since the small parts are supported through the locking means, the slide core is not required when the locking hole is formed in the mounting flange.

Further, since the tip of the mounting flange is in contact with the vehicle body panel, the mounting flange directly receives the impact applied to the vehicle body panel, and the impact can be effectively absorbed by the fracture of the mounting flange.

If the notch and the inclined piece are provided so that the impact load is concentrated on the mounting flange, the impact load can be concentrated on the base of the notch or the inclined piece.

[0011]

【Example】

 Hereinafter, a mounting structure for small parts according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 show an embodiment of the present invention, which is applied to a structure in which a step lamp is attached to a door pocket, and FIGS. 1 to 3 show a first embodiment of the present invention. Shows a second embodiment of the present invention.

FIG. 1 is an overall perspective view showing a door pocket and a step lamp, FIG. 2 is a perspective view of an opening of a door pocket as seen from the back side, FIG. 3 is a sectional view showing a step lamp mounting operation, and FIG. It is sectional drawing which shows the attachment state of the step lamp like FIG.

First, in FIG. 1, a door pocket 11 made of a PP resin molded body is mounted on a lower side of a surface of a door trim 10. The door pocket 11 has steps for illuminating a foot portion of an occupant. An opening 12 is provided for fitting the lamp 30.

Further, mounting flanges 20 are integrally formed on both sides of the opening 12, and the side surface 31 of the step lamp 30 is supported and fixed by the mounting flanges 20.

By the way, the features of the present invention are that, when the mounting flange 20 is molded, it has a sufficient reinforcing function with an inexpensive mold, and has an excellent shock absorbing function when an external impact such as a side collision occurs. Is a feature.

That is, FIG. 2 is a perspective view seen from the inner surface side of the door pocket 11, and mounting flanges 20 are integrally formed on both sides of the opening 12 so as to be able to stand upright on the rear surface side via hinge portions 21. .

When the door pocket 11 is molded, the mounting flange 20 is set to be flush with the door pocket 11.

Further, on the back surface of the mounting flange 20, a plate 22 is formed substantially vertically in the center of the mounting flange 20, and an insertion notch 23 is formed in the center of the plate 22.

On the other hand, on both sides of the opening 12, a plurality of ribs 24 are formed along the lateral direction, and a receiving rib 25 for receiving the insertion notch 23 is formed further outside the rib 24.

Further, the mounting flange 20 is formed with a locking hole 26 for receiving the locking piece 32 of the step lamp 30 and a notch 27 extending vertically.

The operation of fixing the step lamp 30 to the opening 12 of the door pocket 11 will be described with reference to FIG. 3. First, the mounting flanges 20 integrally formed on both sides of the opening 12 are formed on the rear surface side. Rotate 90 degrees to bring the plate 22 formed on the mounting flange 20 into contact with the upper surface of the rib 24, and insert the receiving rib 25 into the notch 23 for insertion of the plate 22, so that each mounting The flange 20 for use is held in an upright state at about 90 degrees, and the tip 28 thereof abuts the vehicle body panel 40.

After that, the side surface 31 of the step lamp 30 is placed along the mounting flange 20 and inserted, and the locking piece 32 of the step lamp 30 is fixed in the locking hole 26 of the mounting flange 20. The step lamp 30 can be easily and surely fixed to the door pocket 11.

Therefore, when the locking hole 26 is formed in the mounting flange 20, a slide core is not required, so that it can be molded by a general-purpose mold, the cost of the mold is not increased, and the cost is low. Can be implemented.

Further, since the tip end 28 of the mounting flange 20 is in contact with the vehicle body panel 40, when an external impact is applied to the vehicle body panel 40 such as a side impact, this impact load is applied to the notch 27 of the mounting flange 20. Since the notch 27 breaks, it is possible to effectively absorb this impact and contribute to safety measures for the occupant.

Next, FIG. 4 shows a second embodiment of a mounting structure for small parts according to the present invention, which is a modification of the mounting flange 20.

In the present embodiment, the tip 28 of the mounting flange 20 is formed as an inclined piece 29 instead of the notch 27, and the base portion 29a of the inclined piece 29 serves as a load concentration point against an external impact. Was set.

Also in this embodiment, the molding can be performed with an inexpensive molding die, and the external impact load applied to the vehicle body panel 40 is concentrated on the base portion 29a of the inclined piece 29, so that the mounting flange 20 is easily broken. Therefore, there is an advantage that the impact load applied to the occupant can be effectively absorbed.

[0029]

[Effect of device]

 As described above, the mounting structure for small parts according to the present invention has the following special effects.

(1) Since the mounting flange extending in the mounting direction of the small component is molded so as to be located on the same plane as the PP resin molded body, the conventional plate-shaped reinforcing rib or box-shaped reinforcing rib As described above, molding defects such as surface sinks do not occur, and complicated mold equipment such as a slide core is not required, so that the rigidity around the opening can be strengthened at low cost.

(2) The mounting flange is erected on the basis of the hinge portion, and the tip of the mounting flange is brought into contact with the vehicle body panel. It has an effect that it can be broken and absorb the shock, and effectively absorb the shock applied to the occupant.

(3) According to the second and third aspects of the invention, the notch or the inclined piece is provided at the tip of the mounting flange so that the impact load applied to the mounting flange is notched or the base of the inclined piece. The effect is that the mounting flange can be more easily broken and the impact load from the outside can be absorbed more effectively.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a first embodiment in which the present invention is applied to a step lamp mounting structure.

FIG. 2 is a perspective view of the door pocket shown in FIG. 1 viewed from the inside.

FIG. 3 is a cross-sectional view showing a state where a step lamp is attached to the opening of the door pocket shown in FIG.

FIG. 4 is a sectional view showing a second embodiment in which the present invention is applied to a step lamp mounting structure.

FIG. 5 is a perspective view showing a door trim having a door pocket equipped with a step lamp.

FIG. 6 is an explanatory view showing a conventional reinforcing structure of an opening.

[Explanation of symbols]

 10 Car Door Trim 11 Door Pocket 12 Opening 20 Mounting Flange 21 Hinge 26 Locking Hole 27 Notch 29 Inclined Piece 30 Step Lamp 32 Locking Piece 40 Body Panel

Claims (3)

[Scope of utility model registration request] 1. A mounting structure for small parts, in which a small part (30) is fitted and fixed in an opening (12) formed in a PP resin molded body (11), wherein hinges are provided on both side edges of the opening (12). The mounting flange (20) is integrally formed through the portion (21) so as to be located on substantially the same plane as the PP resin molded body (11), and the mounting flange (20) is formed based on the hinge portion (21). ) Is erected on the rear surface side, and both side surfaces (31) of the small component (30) are attached to the mounting flange (2) through locking means (26, 32).
0) and a mounting flange (20)
When the tip of the vehicle body is brought into contact with the vehicle body panel (40) and a shock is applied to the vehicle body panel (40), the mounting flange (20)
A structure for mounting small parts, characterized in that it is designed to absorb impact by breaking. 2. The mounting structure for small parts according to claim 1, wherein the mounting flange (20) is provided with a notch (27) in which an impact load from the vehicle body panel (40) is concentrated. . 3. The tip of the mounting flange (20) is in contact with the vehicle body panel (40) through the inclined piece (29) so that the impact load applied to the vehicle body panel (40) is increased by the inclined piece (29). 2. Concentrating on the base of the
Mounting structure for the small parts described.