JP2002143580A - Sheet for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To place an outer material comprising a bulky solid structure woven and knitted goods in a stretching manner according to the curve of a sheet frame, fully protect a person sitting in a back seat even when a sitting person collides with the back part of a sheet frame and improve a cushion property and a feeling of sitting in. SOLUTION: A sheet frame 21 is formed in an approximately V letter form for a cross section opened in the rear. An outer material 25 is formed of an obverse foundation cloth 26, a reverse foundation cloth 27 and an intermediate layer 28 having elasticity which comprise obverse and reverse woven and knitted goods. A hook member 33 is attached to an end portion 25a of the outer material 25. The outer material 25 is extended from an outside end portion 24a side of the frame 21 to a reverse side in a state that a rear opening portion 21e of the sheet frame 21 is closed and the hook member 33 is secured to an inside end portion 21b of the sheet frame 21. One end 31a of a pull member 31 is connected to the outer material 25 and the other end 31b of the pull member 31 is secured to a securing portion 33a of the hook member 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat, and more particularly to a vehicle seat having a seat frame and a skin material attached to the seat frame.

[0002]

2. Description of the Related Art Normally, a vehicle seat or the like is formed of a seat frame, a pad material placed on the seat frame, and a skin material covering the seat frame and the pad material. In recent years, in order to improve the air permeability of the vehicle seat and reduce the weight, a vehicle seat in which a net formed in a mesh shape on the seat frame is attached to the seat frame while being pulled with a predetermined tension (Japanese Patent Application Laid-Open 2000
-79840) has been proposed.

Further, as shown in FIG. 7, in order to reduce the weight of the vehicle seat 1, a pad material is omitted, and a seat cushion 2 in which a skin material 5 is simply stretched directly on a seat frame 4 such as a pipe frame. There is also a vehicle seat 1 including a seat back 3 and the seat back 3 but lacks cushioning properties. Japanese Patent Application Laid-Open No. 6-57579 discloses a multi-layer structure woven fabric comprising a double-sided double-sided backing fabric by a double raschel loom or the like, and a bulky woven knitted fabric having a thickness of 5 mm or more comprising connecting yarns connecting the front and back-sided double-sided base fabrics. A knit is disclosed. In this vehicle seat 1, when a skin material 5 made of a bulky three-dimensional structure woven or knitted fabric is attached to a seat frame 4 such as a pipe frame, the end of the skin material 5 is related to a hook member or the like attached to the seat frame 4. Stopped and installed. In order to prevent these hook members and the like from being exposed to the outside, they are covered with a cover.

[0004]

SUMMARY OF THE INVENTION Conventional vehicle seat 1
In the case where the skin material 5 made of a bulky three-dimensional structure woven or knitted fabric is attached to the substantially square frame-shaped seat frame 4, the cover for preventing the hook member or the like from being exposed to the outside should protrude outward. And worsen the appearance,
There is a risk that a seated person may come into contact with the cover, and when the seat frame 4 is formed from a magnesium alloy or the like by die casting, a complicated shape such as a V-shaped cross section can be easily formed. When a seated person comes into contact with or collides with the end of the seat frame 4 having a V-shaped cross section, there is a possibility that the rear seated person cannot be sufficiently protected. Further, the skin material 5 is stretched by applying a tensile force in the lateral direction, and the skin material 5 cannot be stretched by being bent in the vertical and horizontal directions in accordance with the seat frame 4,
Further, the seat member is pressed more than necessary from the strength of the repulsive force of the skin member 5, and for example, as shown in FIG. 6, the main side portions 5a, 5a of the skin member 5 in which both sides of the seat member P bend in an arc shape. There was a possibility that a feeling of cramp would occur due to being pressed in the vicinity, and the sitting comfort was poor, and the cushioning property and the touch feeling were lacking.

An object of the present invention is to make it possible to stretch a skin material made of a bulky three-dimensional structure woven or knitted fabric in the vertical and horizontal directions in accordance with the curvature of the seat frame, and to form the seat frame by die casting. In this case, the rear seat occupant can be sufficiently protected even if the occupant touches or collides with the end or rear of the seat frame, and the appearance is excellent, and the cushioning property, touch feeling, and sitting comfort are improved. Can improve air permeability, reduce weight, reduce the need for padding, reduce the thickness of the seat, increase the leg space for rear seat occupants, and assemble. An object of the present invention is to provide a vehicle seat that can improve work efficiency and is excellent in economic efficiency.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and a vehicle seat according to a first aspect of the present invention has a seat frame and a skin material attached to the seat frame. In the vehicle seat, the seat frame is formed to have a substantially V-shaped cross section opened rearward, and the skin material has a front base fabric and a back base fabric made of woven and knitted fabric on the front and back, and the base material on the front and back is provided. One end of a pull member is formed of a three-dimensional structure woven or knitted fabric having an elastic intermediate layer woven and knitted integrally with the cloth, and one end of a pull member is connected to a skin material made of the three-dimensional structure woven or knit fabric, and the other end of the pull member is It is characterized by being locked to a seat frame.

According to a second aspect of the present invention, there is provided a vehicle seat including a seat frame and a skin material attached to the seat frame, wherein the seat frame has a substantially V-shaped cross section with a rearward opening. A three-dimensional structure woven fabric having a surface fabric and a back fabric made of woven and knitted fabrics on the front and back, and an elastic intermediate layer woven and knitted integrally with the fabrics on the front and back. A hook member is attached to an end portion of a skin material formed of a knitted fabric and made of the three-dimensional structure woven or knitted fabric, and the skin material closes the rear open portion of the seat frame having a substantially V-shaped cross section. A hook member is locked to the inner end of the seat frame, one end of a pull member is connected to the skin material made of the three-dimensional woven or knitted fabric, and the other end of the pull member is locked to the inner end of the seat frame. ing Wherein the Tsu is engaged with the click member.

According to a third aspect of the present invention, there is provided a vehicle seat including a seat frame and a skin material attached to the seat frame, wherein the seat frame has a substantially V-shaped cross section with a rearward opening. A three-dimensional structure woven fabric having a surface fabric and a back fabric made of woven and knitted fabrics on the front and back, and an elastic intermediate layer woven and knitted integrally with the fabrics on the front and back. A hook member is attached to an end of a skin material formed of a knitted fabric and made of the three-dimensional structure woven or knitted fabric, and the skin material closes a rear open portion of the seat frame having a substantially V-shaped cross section. The hook member at the end of the skin material is extended from the outside end side to the back side, and is hooked to the inside end of the seat frame, and faces the inside end of the seat frame of the skin material made of the three-dimensional structure woven or knitted fabric. You One end of the pull to the side member is connected, and the other end of the cited-out member is engaged with the hook member is engaged with the inner end of said seat frame.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a vehicle seat according to the present invention will be described in detail with reference to the drawings. 1 to 5 (a),
(B) shows the vehicle seat according to the present invention, respectively.
1 is a cross-sectional view of a side frame of a seat back, FIG. 2 is a partial cross-sectional perspective view of a skin material formed of a three-dimensional woven or knitted fabric, FIG. 3 is a perspective view of a seat back frame of a vehicle seat, and FIG. 5A and 5B show a pulling member of a skin material, respectively. FIG. 5A is a cross-sectional view, and FIG. 5B is a cross-sectional view showing a different pulling method. In the present embodiment, the case where the present invention is applied to a seat back will be described. However, the present invention can also be applied to a seat cushion.

As shown in FIGS. 3 and 4, the seat back 12 of the vehicle seat has a seat frame 21 formed in a substantially rectangular frame shape, and the seat frame 21 is formed by die casting from a magnesium alloy or the like. An upper frame 21a having a headrest stay insertion hole, both side frames 21b and a lower frame 21c are formed, and a mounting hole 21d is formed at a lower end of both side frames 21b.

The upper frame 2 of the seat frame 21
1a, both side frames 21b and lower frame 21c are formed in a substantially V-shaped cross-section in which an open portion 21e is formed by being opened rearward. The upper frame 21a, the side frames 21b, and the lower frame 21c need not have the same V-shaped cross section.

The seat back 12 has a skin material 25 which is stretched and stretched on the seat frame 21 in the vertical and horizontal directions. As shown in FIG. 2, the skin material 25 is made of a front base cloth 26 and a back base cloth
7 and a three-dimensional structure woven / knitted fabric having the front and back base fabrics 26 and 27 and the elastic intermediate layer 28 woven and knitted integrally.

The skin material 25 made of the three-dimensional woven or knitted fabric can be formed from synthetic resin fibers such as nylon, and the elasticity and tensile strength can be variously obtained depending on the thickness of the yarn filament. Can be formed to a thickness of 5 mm or more. The skin material 25 made of the three-dimensional structure woven or knitted fabric can be manufactured by a moquette loom, a double Russell knitting machine, or the like. For a more detailed configuration of the three-dimensional woven or knitted fabric, the technique of Japanese Patent Application Laid-Open No. 6-57579 shown in the related art is used.

The skin material 25 made of the three-dimensional woven or knitted fabric is pulled up and down and left and right, and
1 is terminal-processed. That is, as shown in FIG. 1, the side frame 21 having a substantially V-shaped cross section of the seat frame 21 is provided.
b has an outer end 24a and an inner end 24b.

A hook member 33 made of a synthetic resin or the like is attached to an end 25a of the skin material 25 made of the three-dimensional woven or knitted fabric.
The skin material 25 extends from the front outer end 24a to the back surface of the side frame 21b in a state where the skin material 25 closes the rear opening 21e of the side frame 21b having a substantially V-shaped cross section. The hook member 33 at the end 25a of the skin material 25 is engaged with the inner end 24b of the side frame 21b.

One end 31a of a pulling member 31 is connected to a side of the skin material 25 made of the three-dimensional structure woven / knitted material, the side facing the inner end 24b of the side frame 21b.
A hook member 34 having a substantially J-shaped cross section is fixed to the other end 31b of the hook member 33, and the hook member 34 is locked to the inner end 24b of the side frame 21b.
a.

As shown in FIGS. 5A and 5B, one end 31a of the pulling member 31 is fixed to a skin material 25 on the side facing the inner end 24b of the side frame 21b by sewing or the like. In the embodiment shown in FIG.
5 is integrally sewn and fixed to a sewn portion 29 of the main portion 25m and the main side portion 25s. In the embodiment shown in FIG. It is fixed by a sewing portion 35 or the like.

A button may be provided on one end 31a of the pulling member 31, and the skin material 25 may be pulled by button pulling. Further, the invention is not limited to the method in which the main portion 25m and the main side portion 25s of the skin material 25 are pulled by the pulling member 31.

[0019]

The above is the embodiment of the vehicle seat according to the present invention. According to the vehicle seat according to the first aspect of the present invention, the seat frame has a substantially V-shaped cross section with the rear open.
A three-dimensional body formed in the shape of a letter, wherein the skin material has a front base fabric and a back base fabric made of woven and knitted fabric on the front and back, and has an elastic intermediate layer woven and knitted integrally with the base fabric on the front and back. One end of a pulling member is connected to a skin material formed of a structural woven or knitted fabric and made of the three-dimensional structural woven or knitted fabric, and the other end of the pulling member is locked to a seat frame. Since the skin material can be bent in the vertical and horizontal directions according to the curvature of the seat frame and stretched, and the skin material is pulled backward by the pulling member,
Both sides of the seated person are pressed in the vicinity of the main side of the skin material that bends in an arc shape, and there is no danger of giving a cramped feeling.There is no need for padding, the seat can be made thinner, and the leg space for the rear seated person can be reduced. It can be enlarged, the air permeability can be improved, the weight can be reduced, the assembling work efficiency can be improved, and the cushioning property, touch feeling, and sitting comfort can be improved.

Further, according to the vehicle seat of the present invention, the seat frame is formed to have a substantially V-shaped cross section opened rearward, and the skin material is a surface base fabric made of woven and knitted fabric on both sides. And a back fabric, and an end portion of a skin material formed of a three-dimensional structure woven or knitted fabric having an elastic intermediate layer woven and knitted integrally with the front and back base fabrics, and formed of the three-dimensional structure woven or knitted fabric. A hook member is attached to the seat member, and in a state where the skin material closes a rear open portion of the seat frame having a substantially V-shaped cross section, a hook member at an end of the skin material is locked to an inner end portion of the seat frame. One end of the pulling member is connected to the skin material made of a woven or knitted fabric, and the other end of the pulling member is locked by the hook member locked to the inner end of the seat frame. The skin material made of knitted fabric It can be bent up and down and left and right according to the curvature of the arm, and the skin material is pulled backward by the pulling member, so that both sides of the seated person flex in an arc shape There is no danger of being cramped due to being pressed in the vicinity of the side part, and even when the seat frame is formed by die-casting, even when the seated person contacts or collides with the end and rear of the seat frame, Since the edges and the rear are covered with a skin material, it is possible to adequately protect the rear seat occupant, and the pad material is unnecessary, the seat can be made thinner, and the leg space of the rear seat occupant can be expanded. The air permeability can be improved, the weight can be reduced, the assembling work efficiency can be improved, and the cushioning property, touch feeling, and sitting comfort can be improved.

According to the vehicle seat of the third aspect of the present invention, the seat frame is formed to have a substantially V-shaped cross section open to the rear, and the skin material is a surface base fabric made of woven and knitted fabric on both sides. And a back fabric, and an end portion of a skin material formed of a three-dimensional structure woven or knitted fabric having an elastic intermediate layer woven and knitted integrally with the front and back base fabrics, and formed of the three-dimensional structure woven or knitted fabric. A hook member is attached to the seat frame, and the skin material extends from the outer end side to the back side of the seat frame in a state where the skin material closes a rear open portion of the seat frame having a substantially V-shaped cross section. Hook member is locked to the inside end of the seat frame, and one end of a pull member is connected to a side of the skin material made of the three-dimensional structure woven or knitted material facing the inside end of the seat frame, and the other end of the pull member Is the inner edge of the seat frame Since the hook member is locked to the hook member, the skin material made of a bulky three-dimensional structure woven or knitted material can be stretched in the vertical and horizontal directions in accordance with the curvature of the seat frame, and can be stretched. Because the skin material is pulled rearward, both sides of the occupant are pressed near the main side portion of the skin material that bends in an arc shape, there is no possibility of giving a cramped feeling, and the seat frame is formed by die casting. In the case where the seat occupant contacts or collides with the end or the rear of the seat frame, the end and the rear of the seat frame are covered with the skin material so that the rear seat occupant is sufficiently protected. No pad material is required, the seat can be made thinner, the leg space for the rear seat occupant can be expanded, the air permeability can be improved, the weight can be reduced, and the assembling work can be performed. efficiency It can be improved, thereby improving the cushioning and feel properties and comfort.

According to the vehicle seat of the present invention, a skin material made of a bulky three-dimensional woven or knitted fabric can be stretched in the vertical and horizontal directions in accordance with the curvature of the seat frame, and the seat frame can be die-cast. Even when it is formed by molding, it can sufficiently protect the rear seat occupant even when the occupant comes into contact with or collides with the end or the rear of the seat frame, and has excellent appearance, cushioning and feel and The seating comfort can be improved, the air permeability can be improved, the weight can be reduced, the pad material is unnecessary, the seat can be made thinner, and the leg space for the rear seat occupant can be expanded. As a result, the efficiency of the assembling operation can be improved, and a vehicle seat excellent in economy can be obtained.

[Brief description of the drawings]

FIG. 1 is a sectional view of a side frame of a seat back of a vehicle seat according to the present invention.

FIG. 2 is an enlarged perspective view of a skin material made of a three-dimensional structure woven or knitted fabric for a vehicle seat according to the present invention.

FIG. 3 is a perspective view of a seat back frame of the vehicle seat according to the present invention.

FIG. 4 is a perspective view of a seat back of the vehicle seat according to the present invention.

5A and 5B respectively show a pulling portion of a skin material of a seat back of a vehicle seat according to the present invention, and FIG.
(B) is sectional drawing of a different pulling part.

FIG. 6 is an explanatory sectional view of a conventional vehicle seat.

FIG. 7 is a perspective view of a conventional vehicle seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 12 Seat back 21 Seat frame 21a Upper frame 21b Side frame 21c Lower frame 21e Open part 24a Outer end 24b Inner end 25 Skin material 25a End 25m Main part 25s Main side part 26 Surface base cloth 27 Back base cloth 28 Intermediate Layer 29 Sewing part 31 Pull member 31a One end 31b Other end 33 Hook member 33a Locking part 35 Sewing part

Claims (3)

[Claims] 1. A vehicle seat comprising a seat frame and a skin material attached to the seat frame, wherein the seat frame is formed to have a substantially V-shaped cross-section open to the rear, and the skin material is a front and back woven / knitted fabric A three-dimensional structure woven or knitted fabric having a surface base fabric and a back surface base fabric, and having an elastic intermediate layer woven and knitted integrally with the front and back base fabrics, and formed of the three-dimensional structure woven knitted fabric A vehicle seat, wherein one end of a pull member is connected to a skin material, and the other end of the pull member is locked to a seat frame. 2. A vehicle seat comprising: a seat frame; and a skin material attached to the seat frame, wherein the seat frame is formed to have a substantially V-shaped cross section open to the rear, and the skin material is a front and back woven / knitted fabric. A three-dimensional structure woven or knitted fabric having a surface base fabric and a back surface base fabric, and having an elastic intermediate layer woven and knitted integrally with the front and back base fabrics, and formed of the three-dimensional structure woven knitted fabric A hook member is attached to an end of the skin material, and the hook member at the end of the skin material is locked to an inner end of the seat frame in a state where the skin material closes a rear open portion of the seat frame having a substantially V-shaped cross section. One end of a pull member is connected to a skin material made of the three-dimensional structure woven or knitted fabric, and the other end of the pull member is locked by a hook member locked to an inner end of the seat frame. Features and That the vehicle seat. 3. A vehicle seat comprising a seat frame and a skin material attached to the seat frame, wherein the seat frame is formed to have a substantially V-shaped cross section open to the rear, and the skin material is a front and back woven / knitted fabric. A three-dimensional structure woven or knitted fabric having a surface base fabric and a back surface base fabric, and having an elastic intermediate layer woven and knitted integrally with the front and back base fabrics, and formed of the three-dimensional structure woven knitted fabric A hook member is attached to an end of the skin material, and the skin material extends from the outer end side to the back side of the seat frame in a state where the skin material closes a rear open portion of the seat frame having a substantially V-shaped cross section. A hook member at an end of the skin material is locked to an inside end of the seat frame, and one end of a pulling member is connected to a side of the skin material made of the three-dimensional structure woven or knitted material facing the inside end of the seat frame. pull Vehicle seat and the other end of the wood is engaged with the hook member is engaged with the inner end of said seat frame.