JP2005080889A - Edge processing structure of skin surface material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an edge processing structure of a skin surface of a seat for a car that can improve the appearance of a seat for a car. <P>SOLUTION: The edge processing structure of the skin surface material is composed in a way that a flexing part of each edge section comes close to each other using a first locking member 60 that holds a edge section 43 of the skin surface element 40 flexed towards the internal side and a tubular second locking member 70 that holds the first locking member 60 contained inside. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a terminal processing structure for a skin material of a vehicle seat.

Generally, the surface of a vehicle seat is formed by joining a plurality of skin materials. And, for example, a method of connecting them to each other by hook-like coupling means (trim cords) provided at the terminal portions of the two skins used on the front and back surfaces of the seat back (for example, see Patent Document 1). Alternatively, the end portions of the two skins are folded inward without using a coupling means, and the folded portions are sewn, or the end portions 101 of the skin material 100 are connected with fasteners 102 as shown in FIG. The end treatment of the skin material is performed by combining the methods to do so.
In FIG. 5, reference numeral 103 denotes a seat back, and reference numeral 104 denotes a cushion material.
JP-A-8-173656

However, according to the terminal processing structure and the terminal processing structure using a fastener disclosed in Patent Document 1, since the coupling means and the fastener are exposed to the outside, there is a problem that the appearance deteriorates.
Moreover, since the appearance of the part joined by sewing differs from the appearance of the part joined using the coupling means or the fastener, there is a problem that uniformity in appearance at the terminal portion of the vehicle seat is impaired. .

  The subject of this invention considers the above-mentioned problem and is providing the terminal processing structure of the vehicle seat skin which can improve the external appearance of a vehicle seat.

  In order to solve the above problems, the invention according to claim 1 connects two continuous skin materials using a locking member provided at a terminal portion of the skin material that encloses the vehicle seat. In the terminal processing structure of the skin material, the first locking member that holds the terminal portion of the skin material in a state bent to the inner surface side, and the cylindrical shape that holds the first locking member in the state stored inside The bent portions of the terminal portions are brought close to each other using the second locking member.

According to the first aspect of the present invention, since the skin materials are connected in a state where the bent portions of the respective terminal portions are brought close to each other, the surface of the skin material is smoothly continued at the connection location. Therefore, the external appearance of the connecting portion is almost the same as the external appearance of the portion where the two skin materials are connected by sewing, and the uniformity of the appearance of the entire vehicle seat can be obtained.
Further, for example, the manufacturing cost can be reduced as compared with a conventional terminal treatment structure of a skin material using a fastener.

  According to a second aspect of the present invention, in the terminal treatment structure for a skin material according to the first aspect, the first locking member is slidably held inside the second locking member, and the skin material is It passes through the opening formed in the longitudinal direction of the second locking member and reaches the inside of the second locking member.

According to the second aspect of the present invention, when the bent portions are close to each other, the locking member located inside the skin material is not exposed to the outside, and deterioration of the appearance of the vehicle seat can be prevented.
Further, if the first locking member and the second locking member are connected by inserting the first locking member while sliding on the second locking member, the workability of the connecting work is improved. it can.

  According to a third aspect of the present invention, in the terminal treatment structure for a skin material according to the first or second aspect, the cross-sectional shape of the second locking member is an outer shape of the vehicle seat at a location where the terminal portion is located. It is characterized by having a bent shape or a linear shape according to the above.

  According to the invention described in claim 3, the degree of freedom of positioning of the terminal portion in the design stage of the vehicle seat is increased by changing the cross-sectional shape of the second locking member according to the outer shape of the vehicle seat. Can do.

  According to a fourth aspect of the present invention, in the skin material terminal treatment structure according to any one of the first to third aspects, the second locking member is made of a material having plasticity.

  According to the fourth aspect of the present invention, in the vehicle seat manufacturing process, the operator can appropriately change the cross-sectional shape of the second locking member to a shape corresponding to the outer shape of the vehicle seat.

According to the present invention, the surface of the skin material is smoothly continuous at the connection location, and the appearance uniformity of the entire vehicle seat can be obtained.
Further, the manufacturing cost can be reduced as compared with the conventional terminal treatment structure of the skin material.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the vehicle seat 10 is configured by connecting a seat cushion 20 and a seat back 30 on a slide mechanism (not shown). Although not shown, a headrest is attached to the upper portion of the seat back 30.

As shown in FIG. 2, the seat back 30 is configured by enclosing a cushion material 31 with a plurality of skin materials 40.
Then, for example, by joining two continuous skin materials 40 together by sewing, a part (hereinafter referred to as “front part”) that covers a plurality of skin materials 40 for covering the front surface and the right side surface of the seat back 30. Cover 41 ") and parts (hereinafter referred to as" rear cover 42 ") made up of a plurality of skin members 40 for covering the back and left sides of the seat back 30, and forming the front cover 41 and the rear part The seat back 30 is configured by connecting the end portions 43 of the covers using the locking members 50 in a state where the cover 42 is covered with the cushion material 31.

  In addition, when connecting two continuous skin materials 40 by sewing, as shown in the enlarged view of FIG. 2, for example, the terminal portion 43 of one skin material 40a is folded back to the inner surface side, and the other The end portion 43 of the skin material 40b is folded back to the outer surface (front surface) side, and sewing is performed in a state where the folded portions of one skin material 40 are overlapped so as to be sandwiched between the folded portions of the other skin material 40. In this case, the surface of the sewing part and the surface of the other part are processed so as to suppress the thickness of the terminal portions 43 of the both skin materials 40 so that the surface of the other part is smoothly continuous.

As shown in FIGS. 2 to 4, the locking member 50 includes a first locking member 60 and a second locking member 70.
The 1st latching member 60 is a member for hold | maintaining the terminal part 43 of the skin material 40 in the state bent to the inner surface side, the flat junction part 61 to which the terminal part 43 is joined, and 2nd engagement. It comprises a convex part 62 having a substantially circular cross section that fits into a concave part 71 (described later) of the stop member 70, and a step-like connecting part 63 that connects the joint part 61 and the convex part 62.

As shown in FIG. 3B, the back surface of the terminal portion 43 of the front cover 41 is placed on the upper surface of the joint portion 61 of the right first locking member 60 of the two left and right first locking members 60. In the joined state, the first locking member 60 holds the terminal portion 43 of the front cover 41 in a state bent to the inner surface side by bending the skin material 40 so as to cover the lower surface of the joint portion 61. become. Similarly, by folding the skin material 40 so as to cover the lower surface of the joint portion 61 in a state where the back surface of the terminal portion 43 of the rear cover 42 is joined to the upper surface of the joint portion 61 of the left first locking member 60. The first locking member 60 holds the terminal portion 43 of the rear cover 42 in a state bent to the inner surface side.
Note that the joining portion 61 and the terminal portion 43 can be joined by, for example, a sewing method using a sewing thread 44 as shown in FIG. 3B, or a method using an adhesive or a staple.

The second locking member 70 is a substantially cylindrical member for holding the first locking member 60 in a state of being housed therein. The second locking member 70 includes a concave portion 71 that fits with the convex portion 62 of the first locking member 60. And an opening 72 extending in the longitudinal direction (front-rear direction) and a stepped portion 73.
In the present embodiment, since the front cover 41 and the terminal portion 43 of the rear cover 42 are located on the right rear side of the vehicle seat 10, the cross-sectional shape of the second locking member 70 is the rear right side of the vehicle seat 10. It is a bent shape according to the outer shape of the.

As shown in FIG. 4, the cross-sectional shape of the concave portion 71 is a substantially circular shape having a diameter larger than the diameter of the convex portion 62 of the first locking member 60, and an opening 71 a is provided in a part thereof. Then, from the front end portion or the rear end portion side of the first locking member 60, the convex portion 62 is slid into the concave portion 71 in a state where the position of the connecting portion 63 of the first locking member 60 is aligned with the opening 71a. The first locking member 60 is held by the second locking member 70 by inserting the first locking member 60.
In addition, by adjusting the diameters of the convex portion 62 and the concave portion 71, the convex portion 62 is moved toward the concave portion 71 in a state where the surface of the convex portion 62 is in contact with the opening 71 a from the inner side of the second locking member 70. By pressing, the convex portion 62 may be moved into the concave portion 71 while elastically expanding the width of the opening 71a, and the convex portion 62 and the concave portion 71 may be fitted.

  As shown in FIG. 2, the skin material 40 held in a bent state on the first locking member 60 is configured to extend to the outside of the second locking member 70 through the opening 72. In other words, the skin material 40 is configured to reach the inside of the second locking member 70 through the opening 72. As a result, the skin materials 40 are connected in a state where the bent portions of the both end portions 43 are close to each other, and the surface of the skin material 40 is smoothly continued at the connection portion.

As described above, according to the terminal treatment structure of the skin material shown in the present embodiment, the skin materials 40 are connected to each other in a state where the bent portions of both the terminal portions 43 of the front cover 41 and the rear cover 42 are brought close to each other. Since it connects, the surface of the skin material 40 will continue smoothly in a connection location. Therefore, the external appearance of this connecting portion is substantially the same as the external appearance of the portion where the two skin materials 40 are connected by sewing as shown in the enlarged view of FIG. Unification is possible.
Further, when the bent portions are close to each other, the locking member 50 located on the inner surface side of the skin material 40 is not exposed to the outside, so that deterioration of the appearance of the vehicle seat 10 can be prevented.

Further, the first locking member 60 and the second locking member 70 are coupled by inserting the convex portion 62 of the first locking member 60 into the concave portion 71 of the second locking member 70 while sliding. Therefore, the workability of the connecting work can be improved.
Further, for example, the manufacturing cost can be reduced as compared with a conventional terminal treatment structure of a skin material using a fastener.

In the present embodiment, the cross-sectional shape of the second locking member 70 is a bent shape corresponding to the outer shape of the rear right side of the vehicle seat 10, but is not limited to this, for example, the terminal portions 43 of both covers. Is positioned at the center of the back surface of the vehicle seat 10, the cross-sectional shape of the second locking member 70 may be a linear shape (elliptical shape) corresponding to the external shape of the back surface of the vehicle seat 10. it can. As described above, by appropriately changing the cross-sectional shape of the second locking member 70, the degree of freedom in positioning the terminal portion 43 at the design stage of the vehicle seat 10 can be increased.
Furthermore, if the second locking member 70 is formed of a material having plasticity, the worker can change the cross-sectional shape of the second locking member 70 to the outer shape of the vehicle seat 10 in the manufacturing process of the vehicle seat 10. It is possible to change the shape appropriately.
Note that the terminal processing structure of the skin material 40 according to the present invention may be applied to the seat cushion 20 of the vehicle seat 10 or may be applied to a rear seat of the vehicle.

It is a perspective view which shows the external shape of the vehicle seat. It is a principal part cross-sectional view which shows the structure of a seat back. It is a perspective view (A) and (B) which shows the structure of a locking member. It is a longitudinal cross-sectional view which shows the structure of a locking member. It is a principal part cross-sectional view which shows the terminal processing structure of the conventional skin material.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle seat 40 Outer skin material 43 Terminal part 50 Locking member 60 1st locking member 70 2nd locking member 72 Opening part

Claims (4)

In the terminal treatment structure of the skin material that connects two continuous skin materials using the locking member provided at the terminal portion of the skin material that encloses the vehicle seat,
A first locking member that holds the terminal portion of the skin material in a state bent to the inner surface side, and a cylindrical second locking member that holds the first locking member in a state of being housed therein are used. A terminal treatment structure for a skin material, characterized in that the bent portions of the terminal portions are brought close to each other. In the terminal treatment structure of the skin material according to claim 1,
The first locking member is slidably held inside the second locking member;
The skin material terminal processing structure, wherein the skin material passes through an opening formed in a longitudinal direction of the second locking member and reaches the inside of the second locking member. In the terminal treatment structure of the skin material according to claim 1 or 2,
A terminal treatment structure for a skin material, wherein a cross-sectional shape of the second locking member is a bent shape or a linear shape corresponding to the outer shape of the vehicle seat at a location where the terminal portion is located. In the terminal treatment structure of the skin material according to any one of claims 1 to 3,
An end treatment structure for a skin material, wherein the second locking member is made of a plastic material.

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