JPH0442194Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a floor carpet for an automobile, which is laid on an interior floor of an automobile, a deck floor, etc.

[Conventional technology]

On the back side of this type of floor carpet, a heater duct for heating the rear seats, a wire harness for electrical wiring, etc. are generally arranged. conventionally,
These heater ducts, wire harnesses, etc. are laid on the floor of the car separately from the floor carpet, and they are usually placed under the felt on the back of the floor carpet or between the carpet and the floor panel. It was stored in between. For this reason, if the wire harness etc. moves during use or due to vibrations while driving, the caulking part of the tack needle for attaching fasteners such as welts and hooks may
In some cases, the insulation coating of the wire harness was damaged. In addition, each process on the automobile assembly line is different, and the carpet corresponding to the upper part of the heater duct and wire harness swells, causing unevenness on the surface of the floor carpet, resulting in poor appearance and usability. Furthermore, since the assembly line is a separate process, there are problems such as an extra space is required for parts such as heater ducts, and a large number of man-hours are required.

In order to solve the above problems, conventionally, heater ducts and Measures were taken to bury wire harnesses, etc. As a means of embedding the heater duct, wire harness, etc. in the cushion layer, when the cushion layer is made of felt, the felt is impregnated with a thermoplastic binder or a thermosetting binder, and the heater duct and wire harness are placed in this felt. It was molded in one piece. In addition, if the cushion layer is a foam such as urethane foam, place the heater duct and wire harness in the mold, then close the mold,
The heater ducts and the cushion layer were integrated by filling the mold with foamable beads or foamable urethane prepolymer and foaming them.

[Problem that the invention attempts to solve]

However, although the above-mentioned method of burying the heater duct, wire harness, etc. in the backing material has the advantage of saving the effort of arranging the heater duct and wire harness when laying the floor carpet, it still has the following problems. Has a point.

First of all, if you want to rearrange the layout of the buried heater duct or wire harness, or if the wire harness breaks, it is impossible to repair it without damaging the carpet, and in the worst case, the heater duct or wire harness may also be damaged. There is a risk of it getting lost.

Similarly, if a loss occurs in the carpet during molding, even if there is no abnormality in the heater duct or wire harness, the heater duct and wire harness must be disposed of along with the carpet, which is not economical.

Further, in order to integrally mold the heater duct and the wire harness with the backing material, a structure is required to support the heater duct and the wire harness at a predetermined position within the mold, resulting in a complicated configuration of the mold.

The purpose of the present invention is to provide a floor carpet for an automobile that is easy to manufacture, has excellent replaceability of heater ducts and wire harnesses, and eliminates the trouble of arranging heater ducts and wire harnesses when installing the floor carpet. It is in.

[Means for solving problems]

In order to achieve the above object, the present invention provides an automobile floor carpet comprising an upper carpet material and a backing material having flexibility or cushioning properties laminated on the back surface of the carpet material. A fitting part consisting of a hollow part for fitting the heater duct and wire harnesses is formed in the fitting part, and the fitting part is opened on the back surface of the backing material through a notch having a width narrower than the fitting part. It is characterized by

[Effect]

In the automotive floor carpet of the present invention constructed as described above, the heater duct and wire harnesses are inserted into the fitting portion by widening the notch using the flexibility or cushioning properties of the backing material. Ru. When the heater duct and wire harness are inserted into the fitting part, the cut part returns to its original shape, and the heater duct and wire harness are held in the fitting part. In this way, the floor carpet can be laid in the automobile while the heater duct and wire harnesses are held, making the work of laying the floor carpet extremely simple. Moreover, since the fitting part is open on the back surface of the backing material through the notch part, it becomes easy to take out the heater duct and wire harnesses once assembled.

〔Example〕

Next, the present invention will be described by way of examples with reference to the drawings. 1, 2 and 3 are cross-sectional views of three embodiments of the present invention, respectively. In FIG. 1, a floor carpet 1 has an upper carpet material 1a and a backing material 2 made of a flexible member or a cushioning material, which is bonded to the back surface of the carpet material 1a, and the backing material 2 includes: Fitting part 4 consisting of a hollow part
is formed. The fitting part 4 opens on the lower surface of the backing material 2 through a notch 3 having a width narrower than that of the fitting part 4 . The cross-sectional shape of the fitting portion 4 may be selected depending on the part to be fitted. The backing material 2 is formed by urethane injection foaming after molding the carpet material 1a, and the fitting portion 4 is also formed at the same time.
The material of the backing material 2 may be one made of thermoflexible resin foam such as polypropylene, polystyrene, polyethylene, etc. in addition to urethane, or
Felt is good. If the material of the backing material 2 is a material that cannot be foamed by injection, prepare the backing material 2 with the fitting part 4 formed in advance, set it at the desired location of the carpet mold, and then mold the carpet material. 1
It is also possible to bond at the same time as molding a.

In the embodiment shown in FIG. 2, a first backing material 2a is provided with a fitting part 4 on the back surface of the carpet material 1a, and a second backing material 2b is laminated on the first backing material 2a. Then, a notch 3 was formed at a position corresponding to the fitting part 4. The material of the first backing material 2a includes the above-mentioned urethane, polypropylene, polystyrene,
Polyethylene or the like can be used.As the material of the second backing material 2b, felt, hardened fiber waste such as high-density felt, Aspitz (Toyo Goki Kagaku Kogyo Co., Ltd.), Calmfelt (Bridgestone Co., Ltd.), etc. can be used. ), urethane foam, and other foams can be used. In this type of fitting structure, a through hole or groove of a desired size is made in advance at a desired location of the first backing material 2a,
The second backing material 2b can be bonded with an adhesive and provided at the same time as the carpet is formed.

In the embodiment shown in FIG. 3, a synthetic resin clip 6 in which a fitting part 4 is formed is provided on the back surface of a carpet material 1a, and this clip 6 is wrapped with a backing material 2. As the material for the Krupp 6, thermoplastic resins such as polypropylene, polystyrene, polyethylene, etc. can be used. Further, as the backing material 2, a thermoplastic resin foam such as urethane injection foam, polypropylene, polyethylene, polystyrene, etc. can be used. In this type of fitting structure, a combination of the clip 6 and the backing material 2 is set at a desired location in the carpet mold and then glued together at the same time when the carpet material 1a is molded, or the clip 6 alone is attached. The backing material 2 can be provided by setting it at a desired location in a carpet mold, and then molding the backing material 2 with urethane injection foaming. In this case, even if the clip 6 itself is not fixed to the carpet, it will not come off because it is held by the surrounding backing material 2.

A method of fitting other members such as a wire harness into the fitting part 4 of the floor carpet 1 having the above structure will be explained with reference to FIGS. 1, 4, and 5. First, the notch 3 shown in FIG.
Spread out as shown. Then, the wire harness 5 is inserted into the fitting part 4 through the notch part 3.
When the wire harness 5 is inserted into the fitting part 4, the cut part 3 returns to its original shape and the backing material 2 is made of a flexible or cushioning material such as urethane. As shown in FIG. 5, the wire harness 5 is held in the fitting part 4 of the backing material 2. Therefore, when the floor carpet 1 is laid on the floor of an automobile, the wire harness 5 is already incorporated into the floor carpet 1, so that the work of laying the floor carpet 1 can be carried out efficiently. . Further, even after the floor carpet 1 is laid, the wire harness 5 held within the fitting part 4 can be removed by the same procedure as described above. Figure 6 shows a floor carpet 1 of the present invention, a wire harness 5 and a heater duct 7.
It is shown in a perspective view of one embodiment in a state where it is incorporated.

[Effect of idea]

As explained above, the present invention provides a heater duct to a floor carpet by providing a fitting part and a notch part narrower than the fitting part in the backing material.
Wire harnesses can be easily installed, and a floor carpet can be laid on the floor of an automobile with the heater duct and wire harnesses installed, so a series of these operations can be carried out efficiently.

Furthermore, there is no need for a locking tool for fixing the heater duct and wire harnesses to the vehicle body, and the floor carpet is also prevented from bulging, so that the appearance is not spoiled.

Furthermore, heater ducts and wire harnesses are
Since the notch can be widened to allow attachment and detachment, heater ducts and wire harnesses can be replaced freely even after the floor carpet has been laid. This also allows other components to be added later into the floor carpet, for example computers,
It can also be used to incorporate deodorizing materials, sound insulation materials, etc.

In addition, floor carpets, heater ducts,
Wire harnesses are separate items, so
Compared to a floor carpet in which both are integrally molded, the mold can have a simpler structure, and as a result, the floor carpet can be manufactured more easily.

[Brief explanation of the drawing]

1, 2 and 3 are sectional views of three embodiments of the present invention, respectively, and FIGS. 4 and 5 show the case where the wire harness is fitted into the floor carpet of FIG. 1. It is a sectional view showing the situation, and the sixth
The figure is a perspective view of an embodiment of the present invention in which a wire harness and the like are attached. DESCRIPTION OF SYMBOLS 1...Floor carpet, 1a...Carpet material, 2...Backing material, 2a...First backing material, 2b
... Second backing material, 3 ... Notch portion, 4 ... Fitting portion, 5 ... Wire harness, 6 ... Synthetic resin clip, 7 ... Heater duct.

Claims (1)

[Scope of Claim for Utility Model Registration] In an automobile floor carpet comprising an upper carpet material and a backing material having flexibility or cushioning properties laminated on the back surface of the carpet material, the backing material: A fitting part consisting of a hollow part for fitting the heater duct and wire harnesses is formed, and the fitting part opens on the back surface of the backing material through a notch having a width narrower than the fitting part. An automotive floor carpet featuring: