KR102203846B1 - Stitch structure of interior material cover for vehicle and manufacturing method thereof - Google Patents

Abstract

Disclosed are a stitch structure for a vehicle interior material and a method of manufacturing the same. The stitch structure of the vehicle interior according to the present embodiment is between the first fabric and the second fabric, the first fabric and the second fabric each having a first bent portion and a second bent portion rolled downward at the opposite end sides. The provided light source unit, the first fabric and the second fabric, and the preliminary stitch line for securing and binding the light source unit, and the first stitch line and the second bent part formed on the first fabric by sewing continuously along the first bent part And a second stitch line formed on the second fabric, and the light source unit includes a light string disposed outside the first fabric and the second fabric, and a film covering the outer surface of the light string but having an overlapping portion overlapping each other. And, the preliminary stitch line may be stitched together by stitching the first fabric and the second fabric and the overlapping portion.

Description

Stitch structure of vehicle interior material and its manufacturing method {STITCH STRUCTURE OF INTERIOR MATERIAL COVER FOR VEHICLE AND MANUFACTURING METHOD THEREOF}

The present invention relates to a stitch structure for a vehicle interior material and a method for manufacturing the same, and more particularly, a stitch structure for a vehicle interior material capable of providing a function such as mood in a vehicle interior while realizing a stitch line with improved quality and fabrication thereof. It's about the method.

Today, vehicles of various sizes and types are being developed and sold in accordance with the individual preferences of consumers, and as vehicles are used as a major means of transportation, the amount of time humans spend indoors in vehicles is increasing.

Accordingly, there is a trend to apply a stitch line to various interior materials such as seats, door trims, dashboards and instrument panels applied to the interior of the vehicle so that passengers can feel the beautiful appearance and luxury. Such a stitch line is manufactured by forming a sewing line on the boundary line of a skin made of leather, synthetic leather or PVC that surrounds the surface of the interior material, and the higher it is formed parallel to the boundary line of the skin or interior material, the higher quality can be recognized.

On the other hand, in recent years, it has been applied to various locations inside the vehicle to make the atmosphere of the vehicle interior more luxurious and to give the passengers a sense of psychological stability and aesthetics. Consumer demand is also increasing.

As described above, there is a need for a method that is applied to interior materials disposed in the interior of the vehicle to make it easier to produce stitch lines and moods that provide aesthetics and luxury to passengers, and at the same time promote the efficiency of the manufacturing process.

Republic of Korea Patent Publication No. 10-1806444 (2017. 12. 08. Announcement)

The present embodiment is to provide a stitch structure for an interior material for a vehicle that can easily form a stitch line at an intended interval and position, and a method of manufacturing the same.

The present embodiment is to provide a stitch structure for a vehicle interior material capable of forming a high-quality stitch line and mood, and a method of manufacturing the same.

The present embodiment is to provide a stitch structure for a vehicle interior material and a method of manufacturing the same, which can provide aesthetics and luxury to passengers.

The present embodiment has a simple structure to provide a stitch structure for a vehicle interior material and a method of manufacturing the same, which can improve the efficiency and productivity of the manufacturing process.

The present embodiment is to provide a stitch structure of an interior material for a vehicle and a method of manufacturing the same, which can reduce manufacturing costs.

According to an aspect of the present invention, a first fabric and a second fabric each having a first bent portion and a second bent portion rolled downward on opposite ends, provided between the first fabric and the second fabric A light source unit, a preliminary stitch line for stitching and binding the first fabric, the second fabric, and the light source unit, a first stitch line formed on the first fabric by stitching continuously along the first bent part, and the second bending And a second stitch line formed on the second fabric by continuous stitching along the part, and the light source unit surrounds the light string disposed outside the first fabric and the second fabric, and an outer surface of the light string. And a film having overlapping portions overlapping each other, and the preliminary stitch line may be stitched together to bind the first fabric, the second fabric, and the overlapping portion.

A core provided on a surface of an interior part of a vehicle and including a receiving groove recessed along a longitudinal direction of the first stitch line and the second stitch line may be further included.

The receiving groove may include a first receiving groove in which a lower portion of the first bent portion and the second bent portion is accommodated, and a second receiving groove into which at least a part of the overlapping portion is inserted.

The overlapping portion may be interposed between the first bent portion and the second bent portion.

The first fabric and the second fabric may each include a skin layer disposed on the outside and a cushion layer disposed on the inside.

Arranging the first fabric and the second fabric to face each other, disposing a light source unit between the first fabric and the second fabric, stitching to bind the second fabric and the second fabric and the light source unit Forming a preliminary stitch line, forming a first bent part by folding one side and the other side of the first fabric around the preliminary stitch line to face each other, one side and the other side of the second fabric around the preliminary stitch line Forming a second bent portion by folding to face each other, forming a first stitch line on the first fabric by continuously stitching the first bent portion, and forming a first stitch line on the first fabric, and forming a first stitch line on the first fabric by continuously stitching the second bent portion 2 Including the step of forming a stitch line, and the step of arranging the light source part includes forming an overlapping part in which the outer surface of the light string is covered by a film, and the films overlap each other, and the preliminary stitch line is formed. The step of performing may include stitching the first fabric, the second fabric, and the overlapping portion to be bound.

It may further include disposing a core having a receiving groove recessed along a longitudinal direction of the first stitch line or the second stitch line on a surface of an interior part of a vehicle.

The receiving groove includes a first receiving groove recessed and a second receiving groove recessed on the first receiving groove, and the step of arranging the core includes a lower portion of the first bent portion and the second bent portion. It may include receiving in the first receiving groove, and inserting at least a portion of the overlapping portion into the second receiving groove.

The first fabric and the second fabric each include a skin layer disposed on the outside and a cushion layer disposed on the inside, and arranging the first fabric and the second fabric to face each other includes each of the skin layers It may include the step of arranging to face each other.

The stitch structure of the vehicle interior material and the method of manufacturing the same according to the present embodiment can easily form a stitch line at an intended interval and position.

The stitch structure of an interior material for a vehicle and a method of manufacturing the same according to the present embodiment can enhance the product competitiveness of the vehicle by providing a sense of beauty and luxury to passengers.

The stitch structure of the vehicle interior material and the method of manufacturing the same according to the present embodiment have a simple structure and can improve the efficiency and productivity of the manufacturing process.

The stitch structure of the vehicle interior material and the manufacturing method thereof according to the present embodiment can reduce manufacturing cost.

The stitch structure of the vehicle interior material and the method of manufacturing the same according to the present embodiment can form a high-quality stitch line and mood.

1 is a perspective view showing a state in which a stitch structure according to the present embodiment is applied to an interior material for a vehicle.
2 is a perspective view showing a Schitty structure according to the present embodiment.
FIG. 3 is a cross-sectional view taken along the line A-A' of FIG. 1, illustrating a stitch structure according to the present embodiment.
4 to 7 are cross-sectional views sequentially illustrating a method of manufacturing a Schitty structure according to the present embodiment.

Hereinafter, the present embodiment will be described in detail with reference to the accompanying drawings. The following examples are presented in order to sufficiently convey the spirit of the present invention to those of ordinary skill in the art to which the present invention pertains. The present invention is not limited to the exemplary embodiments presented here, but may be embodied in other forms. In the drawings, in order to clarify the present invention, portions not related to the description may be omitted, and sizes of components may be slightly exaggerated to aid understanding.

1 is a perspective view showing a state in which the stitch structure 100 according to the present embodiment is applied to an interior material for a vehicle, and FIG. 2 is a perspective view showing the stitch structure 100 according to the present embodiment. In addition, FIG. 3 is a cross-sectional view in the direction A-A' of FIG. 1.

1 to 3, the stitch structure 100 according to the present embodiment is provided on the outer surface of an interior material applied to the interior of a vehicle so that passengers can feel a beautiful appearance and sense of luxury.

To this end, the stitch structure 100 according to the present embodiment is between the first fabric 110 and the second fabric 120 and the first fabric 110 and the second fabric 120 made of leather, synthetic leather or PVC. The light source unit 130 is provided to generate and provide light, the first fabric 110 and the second fabric 120 and the preliminary stitch line 140 for binding the light source unit 130 to each other, the first fabric 110 and the second The first stitch line 151 and the second stitch line 152, respectively formed on the fabric 120, the first fabric 110, the second fabric, and the light source unit 130 are mounted on the surface of the vehicle interior material to be installed on the vehicle interior material. It may include a core 160 to be installed.

The first fabric 110 and the second fabric 120 are provided to cover a door trim, armrest, center fascia, and the like in the vehicle interior. The first fabric 110 and the second fabric 120 are provided on the outside, respectively, skin layers 115 and 125 that can be checked visually and tactile to passengers, and a cushion layer 116 provided on the inside to provide elasticity and a fluffy feel. , 126). The skin layers 115 and 125 may be made of various materials such as leather, synthetic leather, PVC, TPO (Olefin Thermoplastic Elastomer) and TPU (Thermo Plasitic Polyurethane) depending on the grade and trim of the vehicle, and are limited to any one material. It doesn't work. In addition, the cushion layers 116 and 126 may be formed of a material such as cotton or sponge, but may be formed of various materials if the cushioning feeling of the fabric can be provided.

The first fabric 110 and the second fabric 120 each have a first bent portion 111 and a second bent portion 121 that are rolled downward (downward based on FIG. 3) on opposite ends of each other. Can be equipped. Specifically, the first bent portion 111 and the second bent portion 121 will be described later in a state in which the skin layers 115 and 125 of the first fabric 110 and the second fabric 120 are disposed to face each other. The light source unit 130 may be formed by being sewn together by the preliminary stitch line 140 and bound to each other, and then folded and rolled. The first bent portion 111 and the second bent portion 121 may maintain their shape by stitching a portion folded and rolled by the first stitch line 151 and the second stitch line 152 to be described later.

The light source unit 130 is disposed between the first fabric 110 and the second fabric 120, specifically between the first bent part 111 and the second bent part 121 to implement a mood light function in the vehicle interior. I can. To this end, the light source unit 130 may include a light string 131 that generates and provides light, and an overlapping portion 133 that surrounds the outer surface of the light string 131 and overlaps each other. The light string 131 may be connected to a power source such as a battery through a connector (not shown) to receive power, and the film 132 is made of a transparent or translucent material to generate and provide light from the light string 131 It may be provided so as to pass through to the outside but to surround the outer surface to protect the light string 131. The film 132 is provided so as to surround the outer surface of the light string 131, but may form an overlapping portion 133 in which some portions of the film 132 overlap each other. The light string 131 may be interposed above the first bent portion 111 and the second bent portion 121 (upward direction based on FIG. 3) so that the generated and provided light can be effectively illuminated inside the room. In addition, the overlapping portion 133 of the film 132 is interposed between the first bent portion 111 and the second bent portion 121, and may be disposed to protrude downward (downward with reference to FIG. 3). . The overlapping portions 133 of the film 132 may be sewn together with the first fabric 110 and the second fabric 120 by a preliminary stitch line 140 to be described later, thereby being bound to each other.

The preliminary stitch line 140 may be formed by stitching so that the first fabric 110, the second fabric 120, and the light source unit 130 are bound to each other. Specifically, in the preliminary stitch line 140, the skin layers 115 and 125 of the first fabric 110 and the second fabric 120 are disposed to face each other, and the light source unit 130 is interposed therebetween. The first fabric 110 and the second fabric 120 and the overlapping portion 133 of the film 132 may be stitched together, and the first fabric 110 and the second fabric by the pre-stitch line 140 120 and the light source 130 may be bound to each other. In addition, the first bent part 111 may be formed by folding one side and the other side of the first fabric 110 to face each other based on the preliminary stitch line 140, and the second bent part 121 is The stitch line 140 may be formed by folding one side and the other side of the second fabric 120 so as to face each other.

The first stitch line 151 may be formed by continuously stitching along the first bent portion 111 of the first fabric 110. Specifically, the first stitch line 151 is continuously sewn along the longitudinal direction of the light string 131 on the first bent portion 111 of the first fabric 110, and thus the outer surface of the first fabric 110 By forming a stitch line in the first fabric 110, the folded portion of the first fabric 110 may be fixed by the first bent portion 111 while providing a sense of luxury and beautiful appearance to the passenger. The first stitch line 151 may be formed of various types of materials and colors according to the consumer's preference.

The second stitch line 152 is formed by being sewn continuously along the second bent portion 121 of the second fabric 120, and is provided to be symmetrical to the first stitch line 151 with the light source unit 130 as the center. I can. The second stitch line 152 is stitched continuously along the length direction of the light string 131 on the second bent portion 121 of the second fabric 120, thereby forming a stitch line on the outer surface of the second fabric 120. While providing a sense of luxury and a beautiful appearance to the passenger by forming a, the folded portion of the second fabric 120 may be fixed by the second bent portion 121. Like the first stitch line 151, the second stitch line 152 may be formed of various types of materials and colors according to a consumer's preference.

The core 160 is interposed between the surface of the interior interior part of the vehicle to which the stitch structure 100 is applied and the fabric, and is provided to fix and mount the fabric and the light source unit 130 to the interior material for the vehicle. The core 160 may be integrally formed on the surface of an interior component element of a vehicle, or may be mounted after being manufactured as a separate component element, and the first fabric 110 and the second fabric 120 and the light source unit 130 It can act as a skeleton so that it is closely placed on the surface of the interior parts of the vehicle. The core 160 is formed in a plate shape, and the first receiving groove 161 is recessed to accommodate the lower portions of the first bent portion 111 and the second bent portion 121, and the film 132 is overlapped. A second receiving groove 162 that is additionally depressed on the first receiving groove 161 to accommodate at least a portion of the portion 133 may be provided. The first receiving groove 161 of the core 160 is accommodated by the first bent part 111 of the first fabric 110 and the lower part of the second bent part 121 of the second fabric 120. The surfaces of the first fabric 110 and the second fabric 120 exposed toward the room may be kept flat without protruding despite the bent portion. Similarly, the second receiving groove 162 of the core 160 is accommodated by the overlapping portion 133 of the film, so that the surface exposed toward the interior of the vehicle may form a flat appearance without protruding portions. Further, the overlapping portion 133 of the film 132 is inserted and supported inside the second receiving groove 162 of the core 160, so that the light source unit 130 may be fixed on the core 160.

Hereinafter, a method of manufacturing the stitch structure 100 for a vehicle interior material according to the present embodiment will be described.

4 to 7 are cross-sectional views sequentially showing a method of manufacturing the Schitty structure 100 according to the present embodiment.

Referring to FIGS. 4 to 7, the stitch structure 100 installed on the interior material of the vehicle preferentially generates and provides light to provide a light string 131 that provides a mood lighting function in the vehicle interior as a film 132. The light source unit 130 may be provided by forming an overlapping portion 133 in which the film 132 overlaps each other while being wrapped by the film 132 (see FIG. 4).

Thereafter, the first fabric 110 and the second fabric 120 are arranged to face each other, but the skin layers 115 and 125 of each fabric are disposed to face each other, and the skin layer 115 of the first fabric 110 ) And the light source unit 130 is interposed between the second skin layer 125 of the second fabric 120. The first fabric 110, the second fabric 120, and the light source unit 130 may be bonded to each other by stitching together by the preliminary stitch line 140, and specifically, the preliminary stitch line 140 is the first fabric 110 And the second fabric 120 and the film 132 of the light source unit 130 and through the overlapping portion 133 and sewn together to be bonded to each other (see FIG. 5).

Thereafter, the first fabric 110 may be folded so that one side and the other side face each other around the preliminary stitch line 140 to form the first bent portion 111, and the second fabric 120 is a preliminary stitch line ( The second bent portion 121 may be formed by folding one side and the other side to face each other around 140). The first bent part 111 can be sewn to the first fabric 110 to maintain the folded shape and at the same time form a first stitch line 151, and the second bent part 121 is a second fabric It is possible to form the second stitch line 152 while maintaining the folded shape by stitching to 120 (see arrows in Fig. 5 and Fig. 6).

The first fabric 110, the second fabric 120, and the light source unit 130, which are bound and shaped together, are fixed and mounted on the core 160 disposed on the interior surface of the vehicle. Specifically, a lower portion of the first bent portion 111 of the first fabric 110 and a lower portion of the second bent portion 121 of the second fabric 120 are recessed in the core 160. And the overlapping portion 133 of the film 132 is accommodated and inserted into the second receiving groove 162 formed in the first receiving groove 161 (see FIG. 7 ).

The stitch structure 100 and the manufacturing method of the interior material for a vehicle according to this embodiment simplify the structure and improve the efficiency of the manufacturing process by simultaneously providing a stitch line and mood that provide a sense of luxury and beautiful appearance to passengers. can do. Further, by forming the first stitch line 151 and the second stitch line 152 along the light source unit 130 disposed between the pair of fabrics 110 and 120, it is easy to create a stitch line at a desired distance and position. At the same time, it is possible to provide a high-quality stitch line.

100: stitch structure 110: first fabric
111: first bent portion 120: second fabric
121: second bent portion 130: light source unit
131: light string 132: film
133: overlap portion 140: preliminary stitch line
151: first stitch line 152: second stitch line
160: core 161: first receiving groove
162: second receiving groove

Claims (9)

delete delete delete delete delete Arranging the first fabric and the second fabric to face each other;
Disposing a light source between the first fabric and the second fabric;
Forming a preliminary stitch line by stitching to bind the second fabric, the second fabric, and the light source unit;
Forming a first bent portion by folding one side and the other side of the first fabric around the preliminary stitch line;
Forming a second bent portion by folding one side and the other side of the second fabric around the preliminary stitch line;
Forming a first stitch line on the first fabric by continuously stitching the first bent portion; And
Forming a second stitch line on the second fabric by continuously stitching the second bent portion; and
The step of arranging the light source unit
Wrapping the outer surface of the light string by a film, the film comprises the step of forming an overlapping portion overlapping each other,
The step of forming the preliminary stitch line
The light source unit is disposed between the first fabric and the second fabric so that an overlapping part is located between the first fabric and the edge of the second fabric, and the first fabric and the second fabric are disposed between the edges and the Including the step of stitching the overlapping portion together to bind,
Arranging a core having a receiving groove recessed along the longitudinal direction of the first stitch line or the second stitch line on the surface of the interior part of the vehicle; further comprising,
The receiving groove is
And a first receiving groove recessed and a second receiving groove recessed in the center of the bottom on the first receiving groove,
The step of placing the core
The overlapping portion extending to the bottom portion between the first bent portion and the second bent portion while inserting the lower portion of the first bent portion and the second bent portion to be accommodated in both sides of the first receiving groove in the second receiving groove A method of manufacturing a stitch structure for a vehicle interior material comprising the step of inserting.
delete delete The method of claim 6,
The first fabric and the second fabric
Each comprising a skin layer disposed on the outside and a cushion layer disposed on the inside,
Arranging the first fabric and the second fabric to face each other
A method of manufacturing a stitch structure for a vehicle interior comprising the step of disposing each of the skin layers to face each other.

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