JP2001213211A - Headrest structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To abolish a metallic headrest stay, reduce a weight of a headrest body, make a seat back flat fully and easily, and store a headrest simply and speedily when the headrest is removed. SOLUTION: A buckle 31 is provided at an upper end of a the seat back 13. A plurality of retractors 21 are provided on the right and left sides of a ceiling 19 above the seat back 13. Webbing members 23 pulled out from a plurality of retractors 21, respectively, are connected in Y-shape to form a connection part 33. A tongue 27 is firmly fixed at a Y-shaped lower end of the webbing member 23. The tongue 27 is detachably locked in the buckle 31. The headrest body 25 is attached to a plurality of webbing members 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headrest structure, for example, in a vehicle seat, a headrest structure including a headrest body detachably provided at an upper end of a seat back.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, a headrest 5 is provided at an upper end of a seat back 3 of a vehicle seat 1 or the like. That is, in this type of headrest 5, a pair of left and right headrest stays 8a suspended from the headrest frame 8 of the headrest body 7 are attached to a pair of left and right holder brackets provided at the upper end of the seat back frame 3a. It is provided by being inserted and held via a holder or the like.

In FIG. 5, reference numeral 2 denotes a seat cushion,
Reference numeral 4 denotes a reclining device. The headrest body 7 of the headrest 5 is composed of a headrest frame 8, a pad material and a skin material (not shown), and the headrest frame 8 and the headrest stay 8a are often made of metal, and are provided with a vertical adjustment mechanism and the like.

[0004]

The conventional seat back 3
In the headrest 5 provided at the upper end of the headrest, the headrest frame 8 and the headrest stay 8a of the headrest body 7 are made of metal, so that they must be heavy, and the structure is complicated because of the provision of a vertical adjustment mechanism and the like. And when the seat back 3 is fully flattened,
When the headrest stay 8a of the headrest 5 is pulled out from the upper end of the seat back 3 and removed, there is often no storage space for the headrest 5.

[0005] It is an object of the present invention to eliminate the use of a metal headrest stay, to reduce the weight of the headrest body, to make the seatback fully flat, and to remove the headrest. If the seat is subjected to an impact load, the headrest of the occupant can be adequately protected, and the number of parts can be reduced and the assembly can be done quickly and easily. The present invention provides a headrest structure that is economical.

[0006]

According to a first aspect of the present invention, there is provided a headrest structure including a headrest body detachably provided at an upper end of a seatback. A retractor is provided on the ceiling above the back, the retractor includes a webbing member, a headrest body is attached to the webbing member, and the headrest body and the seat back are detachably locked. It is characterized by the following.

A headrest structure according to a second aspect of the present invention is a headrest structure including a headrest body detachably provided at an upper end of a seat back.
A buckle is provided at an upper end of the seat back, a retractor is provided on a ceiling above the seat back, and the retractor includes a webbing member having a tongue provided at a tip, and the tongue is detachably attached to the buckle. The headrest body is attached to the webbing member.

According to a third aspect of the present invention, there is provided a headrest structure including a headrest body detachably provided at an upper end of a seat back.
A buckle is provided at an upper end of the seat back, a plurality of retractors are provided on left and right of a ceiling above the seat back, and webbing members respectively drawn from the plurality of retractors are connected, and a lower end of the webbing member is provided. A tongue, the tongue is detachably locked to the buckle, and a headrest body is attached to the webbing member.

According to a fourth aspect of the present invention, there is provided a headrest structure including a headrest body detachably provided at an upper end of a seat back.
A buckle is provided at the upper end of the seat back, a plurality of retractors are provided on the left and right of the ceiling above the seat back, and the webbing members respectively pulled out from the plurality of retractors are connected in a Y-shape and connected. A tongue is provided at a Y-shaped lower end of the webbing member, the tongue is detachably locked to the buckle, and the headrest body is attached to a plurality of webbing members. It is characterized by the following.

In the headrest structure according to a fifth aspect of the present invention, in a state where the seatback and the headrest main body are unlocked, the retractor entrains a webbing member to move the headrest main body above the seat back. It is characterized in that it can be stored in a storage section provided on the ceiling.

According to the headrest structure of the first aspect of the present invention, the retractor is provided on the ceiling above the seat back, and the retractor includes a webbing member.
A headrest body is attached to the webbing member,
Since the headrest body and the seatback are detachably locked, the number of parts can be reduced and the headrest body can be easily and quickly assembled, the weight of the headrest body can be reduced, and the seatback can be reduced. When the headrest is removed, the retractor can wind up the webbing member, and the seat etc. In this case, the head of the seated person can be sufficiently protected.

According to the headrest structure of the second aspect of the present invention, the buckle is provided at the upper end of the seat back,
A retractor is provided on a ceiling above the seat back, the retractor includes a webbing member having a tongue provided at a tip thereof, and the tongue is detachably locked to the buckle, and the webbing member is provided. Since the headrest body is attached to the seatback, the number of parts can be reduced and it can be easily and quickly assembled, the weight of the headrest body can be reduced, and the tongue is pulled out from the buckle at the upper end of the seatback and the seatback When the headrest is removed, the retractor can wind up the webbing member, and when the seat or the like receives an impact load, the head of the occupant can be lifted. Can be adequately protected.

[0013] According to the headrest structure according to claim 3 of the present invention, the buckle is provided at the upper end of the seat back,
A plurality of retractors are provided on the left and right sides of the ceiling above the seat back, webbing members respectively drawn from the plurality of retractors are connected, and a tongue is provided at a lower end of the webbing member, and the tongue is connected to the buckle. Since the headrest body is attached to the webbing member, the number of parts can be reduced, the assembly can be performed easily and quickly, and the weight of the headrest body can be reduced. The tongue can be pulled out from the buckle at the upper end of the seat back to make it easier to fully flatten the seat back.When the headrest is removed, the retractor can wind up the webbing member, and the seat etc. When the vehicle receives an impact load, the head of the seated person can be sufficiently protected.

According to the headrest structure of the present invention, a buckle is provided at the upper end of the seatback, and a plurality of retractors are provided on the left and right of the ceiling above the seatback. Each of the webbing members pulled out from the retractor is connected in a Y-shape to form a connecting portion, and a tongue is provided at a lower end of the webbing member in the Y-shape. The tongue is detachably locked to the buckle. The headrest body is attached to a plurality of webbing members, so that the number of parts can be reduced and the headrest body can be easily and quickly assembled, the weight of the headrest body can be reduced, and the headrest body can be reduced. Can be securely supported by a plurality of webbing members, and the tongue can be pulled out from the buckle at the upper end of the seatback and sealed. Can be easily performed full flattening of the back, when you remove the headrest can retractor winds the Webyingu member,
Further, when the seat or the like receives an impact load, the head of the seated person can be sufficiently protected.

According to the headrest structure of the present invention, in a state where the tongue of the webbing member is detached from the buckle at the upper end of the seat back, the retractor wraps the webbing member and seats the headrest body on the seat. It is designed to be able to be stored in the storage section provided on the ceiling above the back, so if the headrest is removed, the retractor can wind up the webbing member, and the headrest main body above the seat back By storing the headrest in a storage unit provided on the ceiling, there is no problem with the location of the headrest body.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A headrest structure according to the present invention will be described below in detail with reference to the drawings. FIGS. 1 to 4 each show an embodiment of a headrest structure according to the present invention. In this embodiment, a case where the headrest structure according to the present invention is applied to a vehicle seat will be described. It is not limited.

As shown in FIGS. 1 and 2, a vehicle seat 1 is provided.
1 is provided with a seat cushion 12 and a seat back 13, and the seat back 13 can be rotated back and forth by a reclining device 15 and can be fully flattened. Seat cushion 12 of the vehicle seat 11
Is mounted on the floor 17 of the vehicle.

A retractor 21 is provided on a ceiling 19 above the seat back 13. The retractor 21 has a webbing member 23 similar to a seat belt, and is attached in a direction in which the webbing member 23 is wound around the retractor 21. When the web member 23 is urged and an impact load is applied to the web member 23, the web member 23 is locked.

A headrest body 25 is mounted on the webbing member 23. This headrest body 25
Is formed from an appropriate headrest frame, pad material and skin material. Note that the headrest frame can be omitted. A tongue 27 is fixed to the tip of the webbing member 23. In the present embodiment, the webbing member 23 is provided so as to penetrate the headrest main body 25, but the webbing member 23 may be attached to the rear part of the headrest main body 25.

Furthermore, the tip of the webbing member 23 on the retractor 21 side may be fixed to the upper end of the headrest main body 25, and a different webbing member 23 may be fixed to the lower end of the headrest main body 25. That is, the webbing members 23 may be attached to the upper end and the lower end of the headrest body 25, respectively.

A buckle 3 is provided at the upper end of the seat back 13.
The buckle 31 at the upper end of the seat back 13 is detachably engaged with a tongue 27 at the tip of a webbing member 23 wound around a retractor 21 provided on the ceiling 19. Note that the buckle 31 at the upper end of the seat back 13 and the tongue 27 at the tip of the webbing member 23 can be mounted in reverse.

As shown in FIG. 2, a pair of left and right retractors 21 is provided on the ceiling 19 above the seat back 13 in the present embodiment.
The webbing members 23 respectively pulled out from the
The connection portions 33 are formed in the shape of a letter. A tongue 27 is provided at the Y-shaped lower end of the pair of left and right webbing members 23.

The webbing members 23 pulled out from the pair of left and right retractors 21 are connected in an H-shape, and a pair of left and right webbing members 23 at the lower part of the H-shape are provided with tongues 27, respectively. A pair of left and right buckles 31 may be provided on the left side, and the tongues 27 of the pair of left and right webbing members 23 may be respectively engaged with the pair of left and right buckles 31 at the upper end of the seat back 13.

Further, as shown in FIG.
The storage part 35 of the headrest body 25 is placed on the ceiling 19 above
Are formed. Tongue 27 of webbing member 23
The retractor 21 is removed from the buckle 31 at the upper end of the seat back 13 and the retractor 21 is
And the headrest main body 25 can be stored in the storage section 35 provided on the ceiling 19. The storage section 35 may be a buckle 31 for locking the tongue 27 at the tip of the webbing member 23. Therefore, there is no problem with the place where the headrest body 25 is placed.

In such a configuration, if the seat back 13 is gradually inclined backward, the retractor 21
Even when the webbing member 23 is further pulled out, as shown in FIG. 3, when an impact load is applied to the seat back 13, the webbing member 23 is in a locked state, and the headrest main body 25 is held even if the seat back 13 is tilted backward. Since the headrest body 25 is held and the headrest body 25 is relatively located forward, the head of the occupant can be sufficiently protected.

[0026]

As described above, according to the headrest structure according to the first aspect of the present invention, the retractor is provided on the ceiling above the seat back, and the retractor includes a webbing member. The headrest body is attached, and the headrest body and the seat back are detachably locked, so that the number of parts can be reduced and the headrest body can be easily and quickly assembled, thus reducing the weight of the headrest body. The seat back and the headrest body can be unlocked to make it easier to fully flatten the seat back.If the headrest is removed, the retractor can wind up the webbing member, Further, when the seat or the like receives an impact load, the head of the seated person can be sufficiently protected.

According to the headrest structure of the second aspect of the present invention, the buckle is provided at the upper end of the seat back,
A retractor is provided on a ceiling above the seat back, the retractor includes a webbing member having a tongue provided at a tip thereof, and the tongue is detachably locked to the buckle, and the webbing member is provided. Since the headrest body is attached to the seatback, the number of parts can be reduced and it can be easily and quickly assembled, the weight of the headrest body can be reduced, and the tongue is pulled out from the buckle at the upper end of the seatback and the seatback When the headrest is removed, the retractor can wind up the webbing member, and when the seat or the like receives an impact load, the head of the occupant can be lifted. Can be adequately protected.

According to the headrest structure according to claim 3 of the present invention, the buckle is provided at the upper end of the seat back,
A plurality of retractors are provided on the left and right sides of the ceiling above the seat back, webbing members respectively drawn from the plurality of retractors are connected, and a tongue is provided at a lower end of the webbing member, and the tongue is connected to the buckle. Since the headrest body is attached to the webbing member, the number of parts can be reduced, the assembly can be performed easily and quickly, and the weight of the headrest body can be reduced. The tongue can be pulled out from the buckle at the upper end of the seat back to make it easier to fully flatten the seat back.When the headrest is removed, the retractor can wind up the webbing member, and the seat etc. When the vehicle receives an impact load, the head of the seated person can be sufficiently protected.

According to the headrest structure of the fourth aspect of the present invention, a buckle is provided at the upper end of the seat back, and a plurality of retractors are provided on the left and right of the ceiling above the seat back. Each of the webbing members pulled out from the retractor is connected in a Y-shape to form a connecting portion, and a tongue is provided at a lower end of the webbing member in the Y-shape. The tongue is detachably locked to the buckle. The headrest body is attached to a plurality of webbing members, so that the number of parts can be reduced and the headrest body can be easily and quickly assembled, the weight of the headrest body can be reduced, and the headrest body can be reduced. Can be securely supported by a plurality of webbing members, and the tongue can be pulled out from the buckle at the upper end of the seatback and sealed. Can be easily performed full flattening of the back, when you remove the headrest can retractor winds the Webyingu member,
Further, when the seat or the like receives an impact load, the head of the seated person can be sufficiently protected.

According to the headrest structure of the fifth aspect of the present invention, with the tongue of the webbing member removed from the buckle at the upper end of the seat back, the retractor wraps the webbing member and seats the headrest body on the seat. It is designed to be able to be stored in the storage section provided on the ceiling above the back, so if the headrest is removed, the retractor can wind up the webbing member, and the headrest main body above the seat back By storing the headrest in a storage unit provided on the ceiling, there is no problem with the location of the headrest body.

According to the present invention, the headrest stay made of metal can be eliminated, the weight of the headrest body can be reduced, the seatback can be easily made fully flat, and the headrest can be removed. If the seat is subjected to an impact load, the headrest of the occupant can be adequately protected, and the number of parts can be reduced and the assembly can be done quickly and easily. Thus, a headrest structure excellent in economy can be obtained.

[Brief description of the drawings]

FIG. 1 is a side view of a headrest structure according to the present invention.

FIG. 2 is a perspective view of a headrest structure according to the present invention.

FIG. 3 is a side view of the headrest structure according to the present invention in a state where an impact load is received.

FIG. 4 is a side view showing a state in which a headrest body having a headrest structure according to the present invention is housed.

FIG. 5 is a perspective view of a vehicle seat showing a conventional headrest structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Vehicle seat 12 Seat cushion 13 Seat back 15 Reclining device 17 Floor surface 19 Ceiling 21 Retractor 23 Webbing member 25 Headrest main body 27 Tongue 31 Buckle 33 Connecting part 35 Storage part

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Isamu Ishii 771 Koizono, Ayase-shi, Kanagawa Ikeda Bussan Co., Ltd. F-term (reference) 3B084 DA03 3B087 DC09

Claims (5)

[Claims] 1. A headrest structure including a headrest body detachably provided at an upper end of a seatback, wherein a retractor is provided on a ceiling above the seatback, the retractor includes a webbing member, and the webbing member includes a retractor. A headrest body, wherein the headrest body and the seat back are detachably locked. 2. A headrest structure comprising a headrest body detachably provided at an upper end of a seatback, wherein a buckle is provided at an upper end of the seatback, and a retractor is provided on a ceiling above the seatback. The headrest structure, wherein the retractor includes a webbing member provided with a tongue at a tip thereof, the tongue is detachably locked to the buckle, and a headrest body is attached to the webbing member. . 3. A headrest structure comprising a headrest body detachably provided at an upper end of a seatback, wherein a buckle is provided at an upper end of the seatback, and a plurality of retractors are provided on right and left of a ceiling above the seatback. A webbing member connected to each of the plurality of retractors is provided, a tongue is provided at a lower end of the webbing member, and the tongue is detachably locked to the buckle. The headrest structure, wherein the headrest body is attached to the headrest structure. 4. A headrest structure including a headrest body detachably provided at an upper end of a seatback, wherein a buckle is provided at an upper end of the seatback, and a plurality of retractors are provided on left and right of a ceiling above the seatback. The webbing members respectively drawn out from the plurality of retractors are connected in a Y-shape to form a connecting portion, and a tongue is provided at a Y-shaped lower end of the webbing member, and the tongue is attached to the buckle. A headrest structure which is detachably locked and wherein the headrest body is attached to a plurality of webbing members. 5. In a state where the engagement between the seat back and the headrest main body is released, the retractor wraps around a webbing member, and the headrest main body can be stored in a storage portion provided on a ceiling above the seat back. The headrest structure according to any one of claims 1, 2, 3, and 4, wherein: