JPH1199870A - Retainer fitting method of carpet for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fit a retainer to a carpet with high accuracy. SOLUTION: In a retainer fitting method, a retainer is fixed to a side end part 1A of a carpet 1 by a tacker to be driven from a tacker driving metal fitting by lowering an upper die in a condition where the tacker driving metal fitting is mounted on the upper die, the fitting retainer 3 is positioned to a lower die 11B, a carpet 1 is arranged on the lower die 11B, and the side end part 1A of the carpet 1 is overlapped on a fitting part of the retainer 3. Positioning holes 21, 22 are provided in advance in the fitting part 13B of the retainer 3 and the side end part 1A of the carpet 1, a positioning pin 16 to be commonly inserted in the positioning holes 21, 22 is projected on the lower die 11B, and when the retainer 3 and the carpet 1 are successively set on the lower die 11B, the positioning pin 16 is passed through the positioning hole 21 in the retainer 3 and the positioning hole 22 in the carpet 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for attaching a retainer to a carpet when the carpet to be laid in a vehicle interior has an attachment retainer at a side end portion.

[0002]

2. Description of the Related Art As shown in FIG. 7, a carpet 52 having both sound insulation and decoration is laid on a floor panel 51 of a vehicle body, as shown in FIG. This carpet 5
8 is formed into a size and a shape corresponding to the floor panel 51 by press-molding the raw carpet fabric with an insulator (not shown in the drawings), which is a sound absorbing material, as shown in FIGS. A retainer 53 previously attached to both end portions 52a is provided with a retaining portion 56 forming both side edges of the floor panel 51.
The position is fixed by engaging with c. Latch part 5
Reference numeral 6c denotes an upper joint portion between the inner panel 56a and the outer panel 56b, which constitute both side edges of the floor panel 51, and is provided in a state of standing upright. The engaging portion between the retainer 53 and the latch portion 56c is
It is covered by the kicking plate 40 attached to the outer panel 56b via the set screw 41 and the like, so that the whole becomes invisible.

The above-mentioned retainer 53 has a hook portion 53a having a substantially U-shaped cross section at the end of the raised portion. When the retainer 53 is attached to the carpet 52, the carpet 52 formed by press molding is shaped as follows. It is performed simultaneously in the step of forming an opening or the like in a necessary portion as a secondary processing. In this secondary processing, a tool similar to the upper and lower dies 11A and 11B as shown in FIG. 3 used in the method of the present invention is used. That is, the upper die 11A is equipped with the tacking tool 14 and the like. The lower mold 11B has a molding surface approximating the shape of a floor panel, and has a positioning projection 15 protruding from a portion corresponding to the mounting of the retainer. Then, as a processing procedure, first, each retainer 53 is moved to the positioning protrusion 1.
The carpet 52 is placed on the lower mold 11B in a state where the carpet 52 is positioned through the carpet 52, and then the carpet 52 is set thereon. Therefore, the mounting portion of each retainer 53 is located below both end portions 52 a of the carpet 52. After that, the upper die 11A is lowered and the tacking tool 14 is operated from the state where the die is clamped. Then, each retainer 53 is connected to the corresponding side terminal 5.
It is attached with the tacker 57 being driven into 2a. FIG. 10 shows a state in which the retainer 53 is attached to the side terminal portion 52a of the carpet 52 in this manner.

[0004]

In the above-described conventional retainer mounting method, the retainer 53 is positioned on the lower mold 11B via the positioning protrusion 15 before the tacking device 14 is operated. Is set. However, the positioning of the retainer 53 is performed by the lower mold 11.
The position is not regulated at all between B and the carpet 52 disposed thereon. Therefore, in a state where the retainer 53 is attached to the side terminal portion 52a by the tacker 57, the carpet 52 is relatively large and relatively thick and has a high elasticity. , The side terminal 52a may be shifted with respect to the normal position (line S) as shown in FIG. When such a displacement increases, the retainer 53 is inclined with respect to the carpet 52, and the problem arises that the retainer 53 cannot be smoothly engaged with the latch portion 56c.

[0005] The present invention has been made in view of the above background. An object of the present invention is to provide a method of attaching a retainer to a carpet for a vehicle, which can attach the retainer to the carpet with high accuracy. Another object of the present invention is to provide a simple method that does not impair the appearance or the like in that case. Still other objects will be sequentially clarified in the contents described below.

[0006]

In order to achieve the above object, the present invention relates to an upper mold 11A as illustrated in FIGS.
Is equipped with a tacking tool 14 and the mounting retainer 3 is positioned and arranged with respect to the lower mold 11B. Then, the carpet 1 is arranged on the lower mold 11B and the side terminal portion 1A of the carpet 1 is attached to the retainer 3. The carpet retainer for a vehicle, in which the retainer 3 is fixed to the side terminal portion 1A of the carpet 1 by the tacker 14A which is punched out from the tacking tool 14 while the upper mold 11A is moved and the mold is clamped after being stacked on the mounting portion 13B of the carpet 1. This is a mounting method in which positioning holes 21 and 22 are provided in advance in the mounting portion 13B of the retainer 3 and the side terminal portion 1A of the carpet 1, respectively.
Positioning pins 16 which are commonly inserted through the positioning holes 21 and 22 are provided on B, and when the retainer 3 and the carpet 1 are sequentially set in the lower mold 11B, the positioning holes 21 of the retainer 3 and the The positioning pins 16 are inserted into the positioning holes 22 respectively.

In the above structure, the retainer 3 is a lower mold 1
1B, the positioning pin 16 of the lower mold 11B is set.
Is regulated in a state in which is inserted into the positioning hole 21. The position of the carpet 1 is regulated in a state where the carpet 1 is placed in the lower mold 11B and the positioning pins 16 whose side terminals 1A protrude from the positioning holes 21 are inserted into the positioning holes 22. Thus, at the stage before the tacking device 14 is operated, the mounting portion 3A of the retainer 3 and the carpet 1
Since the position between the side terminal portion 1A and the side terminal portion 1A is regulated by the common positioning pin 16, the upper die 11A is lowered to automatically eject the tacker 1 from the tacker fitting 14.
Even when the retainer 3 is fixed to the side terminal portion 1A by 4A, the displacement between the two is structurally eliminated, and the conventional problem can be easily solved. In addition, when such a structure is employed, the carpet 1 is positioned in the lower mold 11B in the mold, and the position of the side terminal 1A is regulated via the positioning pin 16. Therefore, other processing such as opening a hole between the upper die 11B and the like can be performed with high accuracy.

In order to solve the conventional problems, the present invention is particularly directed to a portion where the side terminal portion 1A of the carpet 1 to which the retainer 3 is attached is covered by the kick plate 40 on the vehicle body side. Side terminal unit 1A
The arrangement is devised from the viewpoint that the appearance is not impaired even if the positioning holes 22 are provided in the holes.

[0009]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The embodiments described below have various technically preferable limitations. However, the scope of the present invention is not limited to these embodiments.

FIG. 5 is a perspective view showing an example of a carpet for a vehicle produced by applying the method of the present invention, and FIG. 6 is a cross-sectional view showing a state of mounting the carpet on a vehicle along a line AA in FIG. FIG. The carpet 1 shown in FIGS.
Corresponds to the carpet 52 of FIGS. 8 and 9,
7 to 9 are denoted by the same reference numerals as in FIGS. 7 to 9 and described. That is, the carpet 1 shown in FIGS. 5 and 6 is formed into a size and shape corresponding to the floor panel 51 by press-forming the raw carpet together with an insulator (the insulator is omitted in the drawings) as a sound absorbing material. The retainer 3 attached to both end portions 1A is fixed in position by engaging the retaining portions 56c forming both side edge portions of the floor panel 51. Hook 56c
Are upper joint portions between the inner panel 56a and the outer panel 56b which constitute the both side edge portions of the floor panel 51. In this example, it is provided in an upright state. Further, the engaging portion between the retainer 3 and the latch portion 56c is covered by the kick plate 40 attached to the outer panel 56b via the set screw 41 or the like, so that the entire portion is not visible.

Here, the retainer 3 is a resin molded body,
The section has a substantially L-shape with the attachment portion 3A and the hook portion 3B integrally formed. The distal end side of the hook portion 3B is folded outward to form a substantially inverted U-shape, and the U-shaped portion is inserted into the latch portion 56c on the vehicle body floor 54 side and clipped. A plurality of (two in this example) positioning holes 21 are provided in the mounting portion 3A so as to be vertically pierced and scattered in front and rear.

The carpet 1 has a positioning hole 22 at a position where the retainer 3 is mounted at both end portions 1A of the conventional carpet 1 in correspondence with the positioning hole 21 of the mounting portion 3A. This positioning hole 2
2 is almost the same size as 21 of the positioning hole.

FIG. 3 is a schematic structural view showing a press machine for carrying out the method of the present invention. The press machine shown in FIG. 2 further forms an opening or the like in a required portion of the carpet 1 as a secondary process for the carpet 1 formed by pressing and shaping, or a corresponding portion of the side terminal portion 1A of the carpet 1. The retainer 3 is automatically attached to the This press machine is mainly composed of upper and lower dies 11A and 11B. The upper mold 11A includes a punch 13 for opening a hole in a required portion of the carpet 1, and an automatic tacking tool 1
4 and the like are respectively mounted on the corresponding parts. The lower mold 11B is
As shown in FIG. 1 on an enlarged scale, the positioning panel 15 is formed on a molding surface to which the shape of the floor panel is transferred, and is provided on the mounting corresponding portion of the retainer 3. A corresponding top member 17 and two positioning pins 16 are provided as a pair. These are provided on the peripheral molding surface rising from the substantially concave molding surface. The positioning projections 15 are similar to the latch portions 56c on the floor panel 51 side on which the mounting portions 15c are mounted, and the hook portions 3B of the retainer 3 are hooked. Top member 1
7 is a tacker 14 that is punched out of the tacking tool 14.
The tip of the needle a is folded over by hitting it.
Each positioning pin 16 is inserted into the positioning hole 21 of the retainer 3 and the positioning hole 22 of the carpet 1 to regulate the positions of them together.

FIG. 4 schematically shows a process or an operation procedure for attaching the retainer 3 using the above-described press working machine. First, in a state where the upper mold 11A is raised as shown in FIG. 6A, each retainer 3 inserts the positioning pin 16 into the positioning hole 21 and positions the hook portion 3B to project the protrusion as shown in FIG. By being hooked on the piece 15, it is arranged on the lower mold 11B. Next, the carpet 1 is
Set to B. In this operation, the carpet 1 is put into the concave molding surface of the lower mold 11B, and the positioning pins 16 projecting from the positioning holes 21 are inserted into the positioning holes 22 of the both end portions 1A. This allows
As shown in FIG. 3C, the retainer 3 is positioned with respect to the lower mold 11B, and at the same time, the position between the carpet 1 and the retainer 3 is accurately regulated via the positioning pins 16.

Subsequently, when the upper mold 11A is moved toward the lower mold 11B to be in a mold-clamped state, holes are opened in necessary places by the operation of the punch 13 on the carpet 1 set on the lower mold 11B. At the same time, the retainer 3 and the side terminal portion 1A are fixed by the driven tacker 14a which is driven by the operation of the automatic tacking tool 14. FIG.
((D) shows the state after the fixing. After that, the upper mold 11A is raised, and the carpet 1 after the secondary processing is removed.

FIG. 2A shows the side terminal 1A of the carpet 1 to which the retainer 3 is attached in this manner. In this mounting method, the positioning pins 16 protruding from the lower mold 11B are commonly inserted into the positioning holes 21 of the retainer 3 and the positioning holes 22 of the carpet 1, and both are inserted into the lower mold 11B.
B is regulated or fixed to the corresponding portion of B. Therefore,
Even when the large carpet 1 is placed on the lower mold 11B and the side terminal 1A is placed on the mounting 13B of the retainer 3, the side terminal 1A and the mounting 13B are fixed in position. Therefore, the gap between the two disappears structurally,
Highly accurate mounting is always guaranteed. Also, usually
If there is an unnecessary opening such as the positioning hole 22 in the carpet 1, the appearance is impaired, which is a problem. However, as in the present invention, the side terminal portion 1A, particularly the portion where the mounting portion 13B of the retainer 3 is mounted, is covered with the kicking plate 40 as shown in FIG. The present invention has been devised from such a viewpoint.

The present invention can be variously modified based on the above-described method. An example is the form of the retainer 3. This type of retainer is easily latched to the latch portion 56c on the floor panel side, but since the latch portion has a different shape depending on the vehicle type, the retainer also has a shape that matches the shape. Used. FIG. 2B shows an example. This retainer 30 is of a flat plate type, and one side half is the side end portion 1.
A cut-out portion 30B corresponding to the hook portion 3B is formed on the other half of one side, which is set in the mounting portion 3A to be mounted on A. Then, the notch portion 30B is fitted to the latch portion on the floor panel side and latched. It is needless to say that the retainer 30 can be attached to the side terminal portion 1A by applying the above-described method of the present invention to this type in the same manner.

[0018]

As described above, according to the method of the present invention, the position between the mounting portion of the retainer and the side terminal portion of the carpet is regulated by the common positioning pin. Even when the retainer is fixed to the side terminal portion by a tacker that is hammered out, the displacement between the two is structurally eliminated, and the displacement can always be performed with high accuracy, and the yield and productivity can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a main part configuration of an embodiment to which the present invention is applied.

FIG. 2 is a perspective view showing an attached state of a retainer attached by the method of the embodiment.

FIG. 3 is a schematic sectional view showing an upper and lower mold used in the method of the embodiment.

FIG. 4 is a main part view showing an operation procedure when performing the above method.

FIG. 5 is an external view of a carpet produced by applying the above method.

FIG. 6 is a view showing the state in which the carpet is mounted on the vehicle body, taken along the line AA in FIG. 5;
It is a figure shown by the part which follows a line.

FIG. 7 is a perspective view showing a general internal configuration of an automobile.

FIG. 8 is an external view showing an example of a conventional carpet.

FIG. 9 shows a state in which the conventional carpet is attached to the vehicle body, taken along line BB in FIG.
It is a figure shown by the part which follows a line.

FIG. 10 is a view for explaining a problem in a conventional retainer mounting method.

[Explanation of symbols]

 1 is a carpet, 1A is a side terminal portion 3, 30 is a retainer, 3A and 30A are mounting portions 3B and 30B are hook portions, 11A is an upper die, 11B is a lower die, 14 is a cutter fitting, 14a is a tacker 16 is a positioning pin , 21 are positioning holes 22 are positioning holes

Claims (2)

[Claims] 1. An upper die is provided with a tacking tool.
After positioning and positioning the mounting retainer with respect to the lower mold,
After arranging the carpet on the lower mold and stacking the side terminal of the carpet on the retainer, by a tacker punched out from the tacker fastener with the upper mold closed, the carpet is attached to the side terminal of the carpet. A method for mounting a retainer on a vehicle carpet for fixing the retainer, wherein a positioning hole is provided in each of a mounting portion of the retainer and a side terminal portion of the carpet, and the positioning holes are commonly inserted through the lower mold. When the retainer and the carpet are sequentially set in the lower mold, the positioning pin is inserted into the positioning hole of the retainer and the positioning hole of the carpet, respectively. Mounting method for carpets for vehicles. 2. The method according to claim 1, wherein a side terminal portion of the carpet to which the retainer is attached is a portion covered by a kick plate on a vehicle body side.