JP2003164359A - Seat with heater and manufacturing method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat with a heater which facilitates fixing of the seat heater to a cushion pad and execution of covering work and enables reduction of the cost and which abounds in a feel of undulation and has an excellent outward appearance. <P>SOLUTION: The seat is composed of the cushion pad having a groove for hanging provided at a prescribed position of the surface, engaging tacks which are constituted of a synthetic resin and formed integrally at the opposite ends of a filament part so that engaging parts intersect this part perpendicularly substantially, the seat heater which is formed in the shape of a flexible sheet having the heater incorporated and is fixed to the cushion pad by driving the engaging tacks into the front and rear end parts of the cushion pad and into the groove for hanging, in a state wherein the seat heater is put on the necessary portion of the cushion pad, and a cover which is put on the cushion pad so as to cover at least the position wherein the seat heater is disposed. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat with a heater and a method for manufacturing the same, and more particularly to a seat with a heater and a method for manufacturing the same with improved ease of assembling the heater to a vehicle seat having a feeling of ups and downs.

[0002]

2. Description of the Related Art FIG. 6 is a general perspective view of a general vehicle seat cover, FIG. 7 is a general perspective view of a conventional seat heater, and FIG. 8 is a perspective view of the back surface of a conventional seat cover. . Further, FIG. 11 shows a schematic perspective view of a conventional seat with a heater after manufacturing is completed.

In a conventional method of manufacturing a seat with a heater, as shown in FIGS. 9 (a) and 9 (b), both side portions on the back side of the cover 1 and the end portions of the central portion are folded back and sewn into a bag shape. The hanging bags 1a and 1b have slits. Then, when putting the hanging wire 3 such as the end wire into every other hanging bag 1a, 1b,
As shown in FIG. 8, every other hanging bag 1a, 1
The sheet heater 10 is set on the cover 1 by inserting b through the fixing holes 10d and 10e (FIG. 7) formed on both sides of the fabric of the seat heater 10 and substantially in the center of the front half and sandwiching the fabric. .

After the seat heater 10 is set in this way, as shown in FIG. 10, the cover 1 is sequentially covered while the seat heater 10 is suspended by the suspending bags 1a and 1b. 11
As shown in, the front end portion 10a of the seat heater 10 is
The cushion pad 2 is assembled so as to hang down along the front end portion thereof.

[0005]

However, such a conventional technique has the following problems. Recently, there is a growing demand for enhancing the feeling of ups and downs in the hanging portion of the seat in order to enhance the feeling of ups and downs. It is necessary to reduce the width dimension of the bags 1a and 1b from the conventional 23 mm to 18 mm. From this,
The space of the suspending groove into which the suspending wire 3 is inserted is narrowed, and further, the seat heater 10 is sandwiched in the suspending groove, which deteriorates workability.

The seat heater 10 is difficult to determine the position with respect to the cover 1 when the seat is horizontally suspended only at one central portion (10e portion in FIGS. 7 and 8). Side portion (10 in FIGS. 7 and 8)
The d) is also provided with the hanging portion as described above. Seat heater 1 using such a hanging wire system
The setting method of 0 is complicated, poor in workability, and time-consuming.

Further, since slits are provided in the hanging bags 1a and 1b for setting the seat heater 10, the appearance of the covered sheet is seen every other one of the hanging bags 1a and 1b. While the skin of the cover 1 is firmly suspended by the suspending wire 3 inserted, the fixing hole 10 of the seat heater 10
The portions where the other hanging bags 1a and 1b are inserted into d and 10e (see FIG. 10) are the hanging wires 3
Cover 1 because it is not pulled in (it is not inserted)
The hanging of the outer skin is slow, and unevenness is generated in the hanging part as a whole, and the finish is not sufficiently deep and even.

In order to solve these problems, the object of the present invention is to easily fix the seat heater to the cushion pad and cover the work, and to reduce the cost.
It is to provide a seat with a heater that is rich in ups and downs and looks good.

[0009]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a cushion pad having a suspending groove at a predetermined position on the surface and locking portions at both ends of the filament portion so as to be substantially orthogonal to each other. It has a flexible sheet shape with a locking stud made of synthetic resin and a heater built in integrally with the cushion pad. It is characterized by comprising a seat heater fixed to the cushion pad by driving the locking stud into the use groove, and a cover put on the cushion pad so as to cover at least the seat heater arrangement portion.

As a method of manufacturing a seat with a heater, the first step of covering a required portion of the cushion pad with a flexible seat heater having a heater built therein and the engaging portions at both ends of the filament portion are substantially orthogonal to each other. The second step of fixing the seat heater to the cushion pad by driving the integrally formed locking stud made of synthetic resin from the upper part of the seat heater to the cushion pad, and the cover as the cushion pad so as to cover at least the seat heater arrangement portion. And a third step of fixing while covering.

Further, in the second step, the locking studs are driven in order of the rear end portion of the cushion pad, the hanging groove portion, and the front end portion.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a perspective view of a seat heater according to an embodiment of the present invention, FIG. 2 is a perspective view of a cushion pad of a seat with a heater according to an embodiment of the present invention, and FIG. It is a figure.

As shown in FIG. 2, a seat with a heater according to an embodiment of the present invention has a substantially H-shape for hanging at a predetermined position on the surface, for example, intersecting both sides and the central portion. The cushion pad 2 having the grooves 2c and 2d, and the engaging portions 20a, 2 on both ends of the filament portion 20c.
0b is a flexible sheet shape integrally formed with a locking stud 20 made of a synthetic resin so that they are substantially orthogonal to each other, and a heater, and the cushion pad is covered in a necessary portion of the cushion pad 2. The seat heater 10 fixed to the cushion pad 2 by driving the locking studs 20 into the front and rear end portions of the seat 2 and the hanging groove 2d, and the cover put on the cushion pad 2 so as to cover at least the seat heater 10 arrangement portion. 1 and 1.

The cushion pad 2 is made of urethane foam, and the urethane foam mold (jig) corresponding to both sides of the rear end portion of the cushion pad 2 is provided with an L-shaped convex shape as shown in FIG. As shown, two L-shaped concave scribe lines 2b are formed on the surface of the rear end of the cushion pad 2.

The locking stud 20 is made of a thermoplastic synthetic resin such as nylon or polypropylene, and as shown in FIG.
It is formed in a substantially H or I shape including a front end locking portion 20a, a rear end locking portion 20b, and a filament portion 20c connecting these members. The locking tack 20 has a rear end locking portion 20.
For fixing a product name tag or the like attached to the filament portion 20c on the b side to clothing or the like, US Pat.
It is also disclosed in Japanese Patent No. 3666, etc., and various shapes and sizes are commercially available under the trade names of "close contact pin" or "banock" and are already known.

Therefore, although the detailed description is omitted, the locking tack 20 is hollow because the tip locking portion 20a of the locking tack 20 is guided by the guide hole of the hollow needle supported by a dedicated gun (not shown). The needle is inserted into clothes or the like together with the needle and then pushed out from the tip of the guide hole of the hollow needle (the hollow needle is then pulled out) to be fixed to the clothes or the like. In the same way, inside a soft member such as the cushion pad 2, from the tip end portion which is bent and opened in the lateral direction of the guide hole of the hollow needle through which the tip end engagement portion 20a of the engagement tack 20 passes. By pushing out the tip locking portion 20a in the side direction, the locking stud 20 can be driven into the cushion pad 2 with the tip locking portion 20a in a horizontal state as shown in FIG.

The seat heater 10 is placed at a predetermined position along the surface of the cushion pad 2 and has both front and rear end portions 10.
c and a flexible member 10c such as a cloth portion having a built-in heater, which is pushed into the hanging groove 2d in the central portion, for locking the tack 2
It is fixed to the cushion pad 2 at a plurality of positions (7, locking stud driving parts 2a in FIGS. 2 to 4) by 0.

Now, the method for manufacturing the seat with a heater of the present invention will be described in detail with reference to the accompanying drawings.
First, in the first step, as shown in FIG. 3, the seat heater 1 is attached to the score lines 2b at the two rear end portions of the surface of the cushion pad 2.
This is a seat heater positioning step in which the rear end portion 10b of the flexible member 0 is aligned and the seat heater 10 is covered and set.

Next, in the second step, after the positioning step, as shown in FIGS. 3 and 4, at least two locking tack driving portions 10c at the rear end of the fabric of the seat heater 10 are locked by the locking tacks 20. Locking tack driving part 2a of cushion pad 2
After being fixed to the seat pad 10, the central portion of the seat heater 10 is pushed into the hanging groove 2d in the central portion of the cushion pad 2, and at least the central portion and both ends of the seat heater 10 pushed into the hanging groove 2d by the locking tacks 20. The three locking tack driving parts 10c are fixed to the locking tack driving parts 2a on the bottom surface of the hanging groove 2d of the cushion pad 2. Thereafter, similarly to FIG. 11, the front end portion 10 of the seat heater 10 is
As shown in FIG. 3, at least two locking tack driving portions of the flexible member front end 10a of the seat heater 10 are locked by the locking tacks 20 in a state where a is hung down along the front end of the cushion pad 2. This is a seat heater assembling step of fixing 10c to the locking tack driving portion 2a of the cushion pad 2.

Finally, the third step is a cover covering step of covering the cover 1 so as to cover at least the seat heater arrangement portion of the cushion pad 2 in which the seat heater 10 is incorporated after the seat heater assembling step. For this cover covering process,
Since it is not necessary to take care to bring the seat heater 10 along the cushion pad surface at the same time as the covering operation,
Although the covering process is the same as that of the conventional seat without a heater and its details are omitted, the seat with a heater is completed through the above steps.

[0021]

As described above, in the seat with a heater and the manufacturing method thereof according to the present invention described in detail above, the seat heater 10 is covered along the cushion pad surface and fixed beforehand by the locking studs 20 such as a banock. The covering work of No. 1 can be performed in the same manner as the seat without the heater, and at the same time as the covering work, it is not necessary to pay attention to the seat heater 10 along the cushion pad surface. This facilitates the work of fixing the seat heater and the work of covering the cover.

Further, even if it is necessary to deepen the suspending groove of the cushion pad 2 in order to emphasize the feeling of ups and downs, the same covering as the seat without a heater can be provided.
It is possible to hang the skin material of the cover 1 uniformly. As a result, it is possible to provide a seat with a heater that is rich in ups and downs and has a good appearance.

Further, a slit is formed in the hanging bag 1a, 1b of the conventional cover 1 as described above, and the hanging bag 1
Compared with the method of inserting and fixing the three through holes 10d and 10e of the seat heater 10 into the suspending wires 3 that are inserted through every other one of a and 1b, the seat heater 10 is attached to the cushion pad surface of the present invention. The method of fixing in advance by the locking studs 20 such as a baknock along with the
For example, each leg can be shortened by about 40 seconds, and since it is not necessary to take care of aligning the seat heater 10 with the cushion pad surface at the same time as the covering work, the manufacturing process of the seat with a heater can be shortened as a whole. As a result, it is possible to achieve cost-reducing excellent effects that have never been achieved.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a seat heater of a seat with a heater according to an embodiment of the present invention.

FIG. 2 is a perspective view of a cushion pad of a seat with a heater according to an embodiment of the present invention.

FIG. 3 is a plan view of a cushion pad of a seat with a heater according to an embodiment of the present invention.

FIG. 4 is a sectional view of a portion A in FIG.

FIG. 5 is a plan view of a locking stud for fixing the seat heater according to the present invention to the cushion pad surface.

FIG. 6 is a schematic perspective view of a general seat cover with a heater.

FIG. 7 is a schematic perspective view of a conventional seat heater.

FIG. 8 is a perspective view of a back surface of a conventional seat cover with a heater.

FIG. 9A is a partial schematic perspective view of a cut side portion suspending bag of a conventional seat cover with a heater,
(B) is a partial perspective view of the cut central hanging bag.

FIG. 10 is a schematic perspective view of a conventional seat heater set on a cushion pad surface and suspended.

FIG. 11 is a schematic perspective view of a conventional seat with a heater after manufacturing is completed.

[Explanation of symbols]

1 cover 1a Side bag 1b Central hanging bag 2 cushion pad 2a, 10c Locking tack driving part 2b ruled line 2c Hanging groove 3 hanging wire 10 seat heater 10a Front end of seat heater 10b Rear end of seat heater 10d, 10e fixing holes 20 locking studs 20a Tip locking part 20b Rear end locking part 20c filament part

Claims (3)

[Claims] 1. A cushion pad having a hanging groove at a predetermined position on the surface, a locking stud made of synthetic resin integrally formed at both ends of a filament portion so that the locking portions are substantially orthogonal to each other, and a heater. It has a built-in flexible sheet shape and is fixed to the cushion pad by driving the locking studs into the front and rear ends of the cushion pad and the hanging groove while covering the required area of the cushion pad. A seat with a heater, comprising: a seat heater to be used; and a cover that covers a cushion pad so as to cover at least a seat heater arrangement portion. 2. A first portion for covering a required portion of a cushion pad with a flexible seat heater having a built-in heater.
Step and fixing the seat heater to the cushion pad by driving a locking stud made of synthetic resin integrally formed at both ends of the filament portion so that the engaging portions are substantially orthogonal to each other, and driving the seat heater to the cushion pad from above the seat heater. A method for producing a seat with a heater, comprising: a step; and a third step of fixing a cover on a cushion pad so as to cover at least a portion where a seat heater is arranged. 3. The method of manufacturing a seat with a heater according to claim 2, wherein in the second step, the locking studs are driven in order of the rear end portion of the cushion pad, the hanging groove portion, and the front end portion.