JP2004242934A - Headrest - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To secure the appearance quality of a headrest and to facilitate housing of the headrest in a seat back by preventing the bridging state of a cover. <P>SOLUTION: The headrest 10 is obtained by covering a cushion body 13 nearly L-shaped in a view from a side face with a cover 12 obtained by sewing a plurality of skin pieces 12a, 12b and 12c to be shaped like a bag and having an opening part 12d at its one edge. An engaging member 20 is fixed to the inside of the curved part of the cusion body 13, and members 15, 16, 17 and 18 to be engaged, provided at the opening part 12d of the cover 12 are engaged with the engaging member 20. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a headrest in which a cover is attached to a cushion body formed in a substantially L shape in side view.
[0002]
[Prior art]
2. Description of the Related Art As a headrest of a rear seat of an automobile or the like, there is a headrest formed to be substantially L-shaped in side view so as to secure a rear view. As this type of headrest, there is a type in which a cover is attached by integral skin foaming as in Patent Document 1, or a type in which a cover is covered with a cushion body formed in advance by foaming. FIG. 6 shows a cushion body formed in advance by foam molding with a cover. The headrest 1 is installed along the upper part of the seat back (not shown) with the side that becomes the concave curved portion 1a facing downward. The cover 2 is formed in a bag shape by sewing a plurality of skin pieces, and has an opening 2d for inserting the cushion body 3 at a position facing the bent portion 1a of the headrest 1. A locking member 5 and a locked member 6 are attached to both sides of the opening 2d. The cushion body 3 is made of polyurethane foam, is formed by burying a part of the headrest stay 4, and includes a cushion main body 3a and a cushion lower extension 3b extending downward at the front side of the cushion main body. The cover 2 is put on the cushion body 3 from the opening 2 d, the locking member 5 and the locked member 6 are engaged, and the cover 2 is mounted on the cushion body 3. FIG. 7 shows the engagement state between the locking member 5 and the locked member 6. The locking member 5 includes a substantially U-shaped engaging portion 5a in a side view and a flat plate portion 5b extending from one of the engaging portions 5a, and a claw is provided inside the engaging portion 5a and the flat plate portion 5b. The part 5c is projected. Further, the locked member 6 has a hook-shaped engaging portion 6a at a tip end portion, and a rear portion from the engaging portion 6a is formed in a flat plate portion 6b. Then, the locked member 6 is inserted into the engaging portion 5a of the locking member 5, and the engaging portion 6a of the locked member 6 is hooked and fixed to the claw portion 5c of the locking member 5.
[0003]
[Cited Document 1] JP-A-2000-166708
[Problems to be solved by the invention]
The cover is attached to the cushion body by generating a pressing force and a frictional force by connecting the openings by engagement of the locking member and the locked member. However, the tensioning of the skin causes a pulling action between the locking member and the locked member, and the vicinity of the locking member and the locked member is separated from the bent portion of the headrest, and a bridging state is formed between the lower extension of the cushion and the rear of the cushion body. . (See FIG. 8) Therefore, when the appearance quality of the headrest is impaired and the headrest is to be mounted on the upper part of the seat back, the connecting portion of the cover in the bridged state abuts on the upper part of the seat back, and the reaction force of the headrest causes the headrest to react. Hinders storage. The present invention seeks to solve the conventional problems, and an object thereof is to prevent a bridging state.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 has an opening on one side formed by sewing a plurality of skin pieces into a bag shape on a cushion body formed in a substantially L shape in side view. A headrest covered with a cover, wherein a locking member is fixed inside a bent portion of the cushion body, and a locked member provided at an opening of the cover is engaged with the locking member. It is characterized by having.
As a result, the locking member and the locked member do not separate from the bent portion of the headrest because the pulling action of the cover due to the tensioning of the skin acts on the cushion body, and the cushion lower extension portion and the cushion rear portion are in a bridge state. Is gone. Therefore, the appearance quality of the headrest is improved, and the headrest can be easily stored in the upper portion of the seat back.
[0006]
According to a second aspect of the present invention, in the first aspect, the locking member is embedded so as to form an opening on the front surface side of the cushion body, and the locked member is inserted into and engaged with the opening. It is characterized by the following.
As a result, the cover terminal is inserted into the cushion body, the appearance is improved, and the assembling operation is simple.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described.
[0008]
FIG. 1 is an overall perspective view of the headrest. FIG. 2 is a perspective view of FIG. 1 viewed from the back side. FIG. 3 is a cross-sectional view taken along the line AA of FIG. The headrest 10 according to the present embodiment is configured by covering a cushion body 13 with a cover 12.
[0009]
The cover 12 is formed in a bag shape by sewing a plurality of skin pieces of a pair of substantially L-shaped side skin pieces 12b and 12c which are symmetrical with the substantially rectangular front skin piece 12a. The front skin piece 12a and the side skin pieces 12b and 12c are of a three-layer structure in which a urethane foam sheet is laminated on a fabric skin and lined with a backing fabric made of a nonwoven fabric, or a backing fabric made of a nonwoven fabric or the like on a genuine leather skin. Use a two-layer structure with a cloth backing. The front skin material 12a is slightly shorter than the circumferential length of the side skin materials 12b and 12c, and a locked member 15 having substantially the same width as the front skin material 12 is attached to one end. There are two cuts C at the other end of the front skin piece 12a, and the front skin piece 12a is divided into three at the cut C. As shown in FIG. 5, both sides in the width direction are constituted by side ends 12a1 and 12a2, and the center thereof is constituted by a center end 12a3. The notch C is set inward from the position of a leg 14c of the headrest stay 14, which will be described later. Notches 12e1 and 12e2 into which the leg 14c fits are provided at the lateral ends 12a1 and 12a2 of the rear end of the notch C. Is formed. Locked members 16, 17, and 18 having the same width are respectively attached to the tips of the ends 12a1, 12a2, and 12a3 on the cut C side.
[0010]
As shown in FIG. 4, the locked members 15, 16, 17, 18 are formed of a synthetic resin material such as polypropylene, and have hook-shaped engaging portions 15 a, 16 a, 17 a, 18 a and flat plate portions 15 b, 16 b, 17 b, 18b. The locked members 15, 16, 17, 18 are basically the same as the conventional structure.
[0011]
Then, the cover 12 is attached with the flat portions 15b, 16b, 17b, and 18b of the members to be locked 15, 16, 17, and 18 superimposed on the back surfaces of both ends of the front skin piece 12a, and then attached to the front skin piece 12a. The end and side skin pieces 12b and 12c are formed and sewn together at predetermined positions. At this time, both ends of the front skin piece 12a serving as the lower surface of the headrest 10 form openings 12d into which the cushion body 13 can be inserted.
[0012]
The cushion body 13 is made of a polyurethane foam material, and includes a cushion main body 13a forming the base of the headrest 10, and a cushion lower extension 13b, which is a substantially L-shaped downward portion viewed from the side and forms a cushion front side. A locking member 20 is embedded and fixed in the width direction on a surface corresponding to the concave bending portion 10a of the headrest 10 which is a boundary portion between the cushion main body 13a and the cushion lower extension 13b.
[0013]
The locking member 20 is made of a synthetic resin such as polypropylene or ABS resin, and includes two side walls 20a and a connecting part 20b connecting the upper side thereof as shown in FIG. Is formed. Fins 20c, 20c having a predetermined length extend on both sides of the connecting portion 20b, and function as retaining members when the fins 20c are buried in the cushion body 13. Note that a plurality of holes may be formed in the surface of the fins 20c. And the claw parts 20a1 and 20a2 which protrude facing each other are formed inside the side wall parts 20a and 20a.
[0014]
The headrest stay 14 is inserted into a stay body 14a formed in a substantially U-shape in plan view for supporting the cushion body 13a and a headrest support (not shown) of a seatback extending downward from both sides of the stay body 14a. A front V-shaped cushion front support portion 14b extending substantially forward and downward from the book leg portion 14c and the stay body 13a in accordance with the shape of the cushion lower extension portion 13b and supporting the cushion lower extension portion 13b is formed. ing. After the headrest stay 14 is formed by bending a metal pipe material to integrally form the stay body 13a and the leg portion 14c, the cushion front support portion 14b in which a metal pipe material as a separate member is formed in a substantially V-shape in a front view is formed. It is formed by welding or the like. In the present invention, the cushion front support portion 14b is formed in a substantially V shape when viewed from the front, but may be any shape as long as it can receive the head of the occupant.
[0015]
The cushion body 13 is manufactured by integrally foaming the stay body 14a excluding the legs 14c of the headrest stay 14 and the cushion front support portion 14b at predetermined positions, and the locking member 20 is embedded in the bent portion 10a of the headrest 10. Is done. In this case, the headrest 10 is formed such that the opening of the locking member 20 is located on the back surface.
[0016]
Next, a method of covering the cushion body with the cover will be described.
[0017]
The cushion main body 13a and the cushion lower extension 13b of the cushion body 13 are pushed and inserted through the opening 12d of the bag-like cover 12. Then, the leg portion 14c of the headrest stay 14 is moved along the notch C of the cover 12, and then fitted into each of the notches 12e1 and 12e2. At this time, the bent portion 10 a of the headrest 10 of the cushion body 13 is located near the opening 12 d of the cover 12. Then, the locked members 15, 16, 17, and 18 attached to the end portion and the side end portions 12 a 1 and 12 a 2 of the front skin piece 12 a and the center end portion 12 a 3 are pulled, and a bent portion corresponding to a bent portion of the cushion body 13 is pulled. The engaging members 15, 16 a, 17 a, 18 a of the locking members 15, 16, 17, 18 are inserted between the side walls 20 a, 20 a of the locking member 20, which are buried in 10 a and opened to the outside. The cover 12 is attached by engaging with the claw portions 20a1 and 20a2.
[0018]
As a result, the cover 12 can be made to follow the bent portion 10a of the headrest 10 reliably, preventing a bridging state, which is a conventional problem, without impairing the appearance quality, and preventing the headrest from being stored in the seat back. No more.
[0019]
The present invention is not limited to this embodiment, and a magic fastener, a hook, or the like can be applied as the locking member and the locked member.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of a headrest according to an embodiment of the present invention.
FIG. 2 is an overall perspective view seen from the back side of FIG.
FIG. 3 is a cross-sectional view taken along the line AA of FIG.
FIG. 4 is an overall perspective view showing a relationship between a locking member and a locked member of the present invention.
FIG. 5 is a bottom perspective view of a cover according to another embodiment of the present invention.
FIG. 6 is a sectional view of a conventional headrest.
FIG. 7 is a partially enlarged view showing a state where a conventional cover opening is engaged and fixed.
FIG. 8 is a state diagram when a conventional headrest cover is engaged and stopped.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Headrest 12 Cover 13 Cushion body 14 Headrest stay 15, 16, 17, 18 Locked member 20 Locking member

Claims (2)

A headrest obtained by covering a cushion body formed in a bag shape by sewing a plurality of skin pieces on a cushion body formed in a substantially L-shape in side view, wherein the cushion body has a bent portion. A headrest, wherein a locking member is fixed inside the head member, and a locked member provided in an opening of the cover is engaged with the locking member. 2. The headrest according to claim 1, wherein the locking member is buried so as to form an opening on the surface side of the cushion body, and the locked member is inserted into and engaged with the opening.

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