JPH0960619A - Plastic part and its removal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove a plastic part easily without pondering by considering the removal for recycling at the stage of its design, and indicating the removal on a plastic part by breakage, in advance, and resorting to an indication on a breakage-separation indication portion on the part of a worker even when a special tool is not available, or the part is rusty, or a screw head is flattened. SOLUTION: A front grille 1 of plastic formed by injection is fixed onto a fitting seat 4 on the side of a car body with a tapping screw 3 at a fitting portion 2a in tip of a fitting piece 2. A breakage-separation indication portion 5 is disposed in a vicinity portion 2b of the each fitting portion. The breakage- separation indication portion 5 comprises a tool indication portion 6 of indicating a hammer in picture and a position indication portion 7 of indicating a hammering position with an arrow. The breakage-separation indication portion 5 is formed by embossing simultaneously with injection forming of the front grille 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic part of all uses and types suitable for recycling and a method for removing the same.

[0002]

2. Description of the Related Art In an automobile, many plastic parts are attached to a mating member such as a vehicle body by attaching parts such as tapping screws, bolts / nuts and clips. In recent years, recycling of resources has become more important, and when dismantling an automobile, these plastic parts have been removed and reused. Conventionally, when removing these plastic parts, tapping screws, bolts / nuts, clips, and other mounting parts have been removed using the respective dedicated tools and the reverse operation of mounting.

[0003]

However, there are various sizes and shapes of tapping screws, bolts / nuts, clips, etc., and there are many kinds of dedicated tools corresponding to them. Normally, the assembly worker and the dismantling worker belong to different companies, and the dismantling worker cannot own all of these dedicated tools. Therefore, the dismantling worker,
If there was no special tool, the plastic part could not be removed, and it was very troublesome to find a special tool. Further, even if there is a dedicated tool, there is a problem that the removal work becomes difficult when the mounting parts are rusted or the screw head is crushed.

Therefore, an object of the present invention is to indicate in advance from the design stage that the plastic parts should be broken and separated in consideration of the removal for recycling, and there is no dedicated tool at the time of removal, or there is no mounting part. Even if the product is rusted or the screw head is crushed, the worker can easily remove the plastic part without getting lost with the indication of the breakage separation display as a clue, and the plastic part can be reused. And a method for removing the same.

[0005]

In order to solve the above-mentioned problems, the plastic part of the present invention is a plastic part to be attached to a mating member at an attachment part, and the vicinity of the attachment part is destroyed. It is characterized in that a destruction / separation display portion for displaying the fact that separation should be performed is provided.

Here, it is preferable that the vicinity of the mounting portion is designed to have a required strength required for the plastic part, but to be broken and separated when an external force exceeding the required strength is applied. Further, it is preferable to provide a stress concentration portion where stress concentration occurs when the external force is applied, in the vicinity of the mounting portion. As the stress concentration portion, a notch groove, a thin portion, etc. can be exemplified.

Examples of the fracture separation display unit include a tool display unit for displaying a tool used for fracture separation, a position display unit for displaying a position for fracture separation, or a mode including both of them. The tool display portion may display the tool in characters, but it is preferable to display the tool in a picture because it is clear at a glance. The type of tool is not particularly limited, and a simple general-purpose tool such as a hammer, a driver, a crowbar, a chisel, and scissors can be exemplified. The position display unit may display the position by characters, but it is preferable to display the position by symbols such as arrows and triangles because it is obvious.

The destructive separation display portion may be printed on a plastic part, attached with a seal, or the like, but if the plastic part is embossed at the same time as the molding of the plastic part, it is easier to form, sharper, and more durable. In terms of

Although the present invention is intended for plastic parts of all uses and types, in particular, plastic parts for automobiles often cannot be removed by conventional methods because the mounting parts are rusted due to long-term use of the automobile outdoors. , Can be applied effectively. Examples of plastic parts for automobiles include front grilles, bumpers, moldings and garnishes.

Further, according to the method for removing a plastic part of the present invention, in the plastic part in which the mounting portion is attached to the mating member by the mounting member, a destruction indicating that the neighboring portion should be broken and separated is provided in the vicinity of the mounting portion. It is characterized in that a separate display portion is provided, the neighboring portion is broken and separated based on the display of the breaking and separating display portion, and thereby the plastic part is removed from the mating member.

The destructive separation display portion is as described above. Destruction separation can be performed by using the above tool, and specific examples of the destruction separation include hammering (impact bending), prying with a driver or a bar (static bending), hammering, etc. it can.

[0012]

1 to 4 show a first embodiment in which the present invention is embodied in a front grill for an automobile. As shown in FIGS. 1 and 2, a front grill 1 injection-molded of plastic is integrally provided with a plurality of mounting pieces 2 on its upper edge, and a tapping screw 3 is provided at a mounting portion 2a at the tip of each mounting piece 2. It is attached to the mounting seat 4 on the vehicle body side.

A destruction / separation display portion 5 is provided in the vicinity 2b (base portion of the mounting piece 2) of each mounting portion 2a. The breakage separation display unit 5 includes a tool display unit 6 that pictorially displays a hammer as a tool used for breakage separation, and a position display unit 7 that displays the position of breakage separation, that is, the tapping position by the hammer with an arrow. The breakage separation display portion 5 is formed by embossing at the same time as the injection molding of the front grille 1 by the concave portion of the molding die, and is raised from the surface of the mounting piece 2.

Therefore, it is possible to easily form the break-and-separate display portion 5 without any trouble, and it is possible to clearly and permanently display the tool and the position. Further, since the tool display section 6 is displayed in the form of a picture and the position display section 7 is displayed in the form of an arrow, the dismantling operator can easily understand the use of the hammer and the tapping position.

When dismantling an automobile, as shown in FIG. 3, a dismantling operator uses a general-purpose hammer 8 pictorially displayed on the tool display unit 6, and this is displayed on the position display unit 7 by an arrow. Down to the tapping position, and near the mounting portion 2a 2b
Forcibly destroy and separate the front grill 1 and the mounting seat 4
Remove from This way, you don't have to worry about removing the tapping screw 3 with a screwdriver that fits the screw head.
Further, even when the tapping screw 3 is rusted or the screw head is crushed, the mounting piece 2 can be instantly broken and separated by hitting with the hammer 8, and the front grill 1 can be easily removed from the vehicle body.

As shown in FIG. 4, when the front grill 1 is formed, a notch groove as a stress concentration portion 9 is formed on the back surface of the neighboring portion 2b, and when the hammer 8 strikes, the stress concentration portion 9 is formed. It may be configured so that stress concentration occurs on the surface and the material is easily broken and separated. Even in this case, the mounting piece 2 is strength-designed so as to satisfy the required strength required.

Next, FIG. 5 shows a second embodiment in which the present invention is embodied in an automobile garnish. The garnish 11 made of plastic is hooked in the hole 14 of the vehicle body panel 13 by a plurality of mounting claws 12a. Mounting claw 1
On the surface of the garnish 11 in the portion 12b near the portion 2a, the breakage separation display portion 15 is formed by embossing. The destruction / separation display unit 15 includes a tool display unit 16 that displays the driver as a picture and a position display unit 17 that displays the insertion position of the driver as an arrow.

At the time of dismantling the automobile, the dismantling operator uses a general-purpose driver designated by the tool display section 16, and inserts this into the insertion position displayed on the position display section 17, that is, between the garnish 11 and the body panel 13. The garnish 11 is removed from the vehicle body panel 13 by inserting it into the joint portion and prying the garnish 11 with the screwdriver to forcibly pull out the mounting claws 12a from the holes 14 and pulling them out.
By doing so, even if the mounting claw 12a cannot be recognized from the outside, it is possible to easily remove the garnish 11 by operating the driver at an appropriate position with the breakage separation display portion 15 as a clue.

Next, FIG. 6 shows a third embodiment of the present invention. Here, a plastic garnish 21 is attached to a vehicle body panel 24 with a bolt 22 and a nut 23 at its attachment portion 21a. In the vicinity portion 21b of the mounting portion 21a, a breakage separation display portion 25 is formed on the surface of the garnish 21 by embossing. The fracture separation display unit 25 includes a tool display unit 26 that displays a chisel as a picture and a position display unit 27 that displays the driving position of the chisel as an arrow.

At the time of dismantling the automobile, the dismantling operator uses the chisel displayed on the tool display unit 26, and uses this chisel.
The driving position indicated by 7, that is, the boundary between the garnish 21 and the vehicle body panel 24, is driven with a hammer, and the mounting portion 2
1a is forcibly broken and separated, and the garnish 21 is removed from the vehicle body panel 24. In this way, the dismantling operator does not have to take the trouble of removing the bolt 22 from below with a dedicated spanner,
The garnish 21 can be easily removed only by driving the chisel with the breakage separation display portion 25 as a clue.

The present invention is not limited to the above-described embodiment, but may be embodied with appropriate modifications within the scope not departing from the gist of the present invention, for example, as follows. (1) Applicable when the mating member is also a plastic part. In other words, the plastic parts are destroyed and separated,
Both will be reused. (2) In addition to plastic parts for automobiles, it should be applied to all kinds of plastic parts such as plastic parts for household appliances and office equipment.

[0022]

As described above in detail, according to the plastic part according to the invention of claim 1, it is indicated in advance that the plastic part should be broken and separated considering the removal for recycling from the design stage. Therefore, even if there is no special tool at the time of removal, the mounting parts are rusted, or the screw head is crushed, the operator can easily use the display of the breakage separation display part as a clue and not easily get lost in plastic parts. Can be removed and can be reused.

In addition to the above effects, the plastic part according to the second aspect of the present invention makes it possible to achieve both the required strength of the plastic part and the ease of breaking and separating.

According to the plastic part of the third aspect of the present invention, the stress concentrating portion makes it possible to more easily carry out fracture separation.

Further, according to the plastic component of the fourth aspect of the present invention, it is possible to know the tool to be used for fracture separation from the tool display section.

Further, according to the plastic component of the fifth aspect of the invention, it is possible to know the position to be broken and separated by the position display portion.

Further, according to the plastic component of the sixth aspect of the invention, the tool can be seen at a glance by a picture.

According to the plastic component of the seventh aspect of the present invention, the break-and-separate display portion can be easily formed and a clear and permanent display can be performed.

According to the eighth aspect of the present invention, the plastic parts for automobiles, which are easily rusted due to the long-term use of the automobile outdoors, can be easily removed.

According to the plastic part removing method of the ninth aspect, even if there is no special tool, the mounting part is rusted, or the screw head is crushed, the worker can confirm the destruction and separation indication part. The plastic parts can be easily removed without hesitation by using the display as a clue and can be reused.

[Brief description of drawings]

FIG. 1 is a perspective view of a front grill for a vehicle according to a first embodiment of the present invention.

FIG. 2 is a partially enlarged perspective view of the front grill.

FIG. 3 is a perspective view showing a method for removing the front grill.

FIG. 4 is a side view showing a modified example of a mounting portion of the front grill.

FIG. 5 is a perspective view of an automobile garnish according to a second embodiment of the present invention.

FIG. 6 is a perspective view of an automobile garnish according to a third embodiment of the present invention.

[Explanation of symbols]

 1 front grille 2 mounting piece 2a mounting part 2b vicinity 3 tapping screw 5 breakage separation display part 6 tool display part 7 position display part 8 hammer 11 garnish 12a mounting claw 12b vicinity part 15 breakage separation display part 16 tool display part 17 position display 21 Garnish 22 Bolt 23 Nut 25 Destruction separation display 26 Tool display 27 Position display

Claims (9)

[Claims] 1. A plastic part to be attached to a mating member at an attachment portion, wherein a plastic material is provided in the vicinity of the attachment portion with a breakage separation display portion indicating that the vicinity portion should be broken and separated. parts. 2. The strength design in the vicinity of the mounting portion is such that, while having a required strength required for plastic parts, it is broken and separated when an external force exceeding the required strength is applied. Plastic parts. 3. The plastic part according to claim 2, wherein a stress concentration portion where stress concentration occurs when the external force is applied is provided in the vicinity of the mounting portion. 4. The plastic component according to claim 1, 2 or 3, wherein the breaking separation display portion includes a tool display portion that displays a tool used for breaking separation. 5. The destructive separation display section includes a position display section for displaying a destructive separation position.
The listed plastic parts. 6. The plastic part according to claim 4 or 5, wherein the tool display portion displays the tool as a picture. 7. The plastic part according to claim 1, wherein the breaking separation display part is embossed at the same time as the plastic part is molded. 8. The plastic part for automobile is a plastic part for automobiles, 1, 2, 3, 4, 5, 6 or 7.
The listed plastic parts. 9. A plastic part for mounting a mounting portion to a mating member by a mounting member, wherein a destruction and separation display portion is provided in the vicinity of the mounting portion, the destruction and separation indicating portion indicating that the neighboring portion should be broken and separated, and the destruction is performed. A method of removing a plastic part, characterized in that the vicinity part is broken and separated based on a display of a separation display part, and thereby the plastic part is removed from the mating member.