JPH0527087Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vehicle seat. To explain in more detail, the present invention includes a seat cushion attached to the vehicle floor via a front-rear sliding mechanism, and a lower part of the seat cushion. is connected to the rear end of the
The present invention relates to a vehicle seat including a seat back whose upper portion is attached to a back panel side of a vehicle body so as to be movable in the vertical direction via an adjuster having an elongated hole extending vertically.

[Conventional technology]

Conventionally, in the case of a rear seat 1 used as a rear seat of a vehicle, etc., when the seat back 2 is tilted backward, it is sufficiently tilted backward due to the presence of a back panel 4 of the vehicle body, etc., as shown in FIG. Therefore, the seat bag 2 and the seat cushion 3 are connected by the hinge part 8, the seat cushion 3 is moved in the front and rear direction by the front and rear slide mechanism 5, and the seat bag 2 is moved through the elongated hole 7 extending in the vertical direction. There is a device that moves vertically using an adjuster 6 having a
Special Publication No. 59-20491).

[The problem that the idea attempts to solve]

However, in the conventional seat 1, the seat cushion 3 is moved forward and the seat back 2 is moved forward.
When the lower end is moved forward by the adjuster 6, the angle formed by the seat back 2 and the seat cushion 3 increases, so the seated person lies on his or her back, and a headrest is disposed above the seat back. In the case of the seat, the headrest also tilted backwards by the same amount as the seat back tilted backwards, and the shape of the headrest remained the same without changing its shape. In addition, the seated person has taken measures such as moving the headrest up and down or forward by manual operation or the like.

The purpose of this invention is to move the lower end of the seat back forward and when the seat back is in a reclining state, the shape of the headrest disposed above the seat back can be changed, so that it can be changed between a normal sitting state and a reclining state. An object of the present invention is to provide an economical vehicle seat that can support the head of a seated person with different headrest shapes depending on the vehicle seat.

[Means for Solving the Problems] The present invention was made in view of the above-mentioned problems, and consists of a seat cushion attached to the vehicle floor via a front-back sliding mechanism, and a lower part hinged to the rear end of the seat cushion. and a seat back, the upper part of which is attached movably in the vertical direction through an adjuster having an elongated hole extending in the vertical direction on the back panel side of the vehicle body. A head rest is disposed above, and the head rest has a head rest main body attached to the seat bag, and a pair of left and right head rest side parts pivotally supported by pivot parts on both sides of the head rest main body so as to be rotatable in the front and back direction. One end of the link member is pivotally supported at a position apart from the pivot part of the headrest side portion, and the other end of the link member is attached to the back panel side of the vehicle body, and when the seat back is moved downward, , the pair of left and right head rest side portions are configured to be rotated by the link member.

In addition, there is a headrest main body attached to a headrest stay that is pivotally supported on the back panel side of the vehicle body, and a pair of left and right headrest side parts that are pivotally supported on both sides of the headrest body by pivot parts so as to be rotatable in the front and back direction. a first link member having one end pivotally supported in the middle of the head rest stay and the other end pivotally supported on the seat back frame side; and a first link member having one end at a position spaced from the pivot part of the head rest side part. and a second link member whose other end is pivotally supported by the first link member, and when the seat bag is moved downward, the head rest main body and the head rest side portion are connected to the first link member. It is characterized in that it is pivoted forward by a member, and the pair of left and right head rest side portions are pivoted forward by the second link member.

[Effect]

According to the present invention, the headrest disposed above the seat bag includes a headrest main body and a pair of left and right headrest side parts pivotally supported on both sides of the headrest main body so as to be rotatable in the front-rear direction. A link member is pivotally supported on the head rest side portion, and the link member rotates the head rest side portion when the seat bag moves downward, so that the seat bag can be adjusted depending on whether the seat bag is in a normal sitting state or a reclined state. It is possible to form headrests with different shapes.

〔Example〕

The vehicle seat according to the present invention will be described in detail below with reference to the drawings.

1 and 2 schematically show an embodiment of the present invention, and this vehicle seat 21 includes a seat cushion 22 attached to a vehicle body floor 25 via a longitudinal slide mechanism 24, The lower part is connected to the rear end of the seat cushion 22 via a hinge part 22b, and the upper part is attached to the back panel 26 of the vehicle body so as to be movable in the vertical direction via an adjuster 29 having a long hole 28 extending vertically. It is formed from a seat bag 23 made of

A pin member 27a fixed to a bracket 27 formed on the upper rear side of the seat bag 23 and projecting rearward is fitted into the elongated hole 28 of the adjuster 29 so as to be movable up and down. In addition, the long hole 28 is placed on the seat back 23 side, and the pin member 27a is placed on the back panel 26 of the vehicle body.
The adjuster 29 can be formed by forming them on each side.

Above the seat back 23 is a headrest 35.
In this embodiment, the head rest 35 is provided with a head rest stay 39 on the seat back 23.
a headrest main body 37 attached via;
A pair of left and right head rest side parts 38 are provided on both sides of the head rest main body 37 so as to be rotatable in the front and rear directions. Head rest side part 3
8 is formed larger than the side shape of the headrest main body 37, and has a protrusion 38a extending upward in this embodiment. The headrest side portion 38 is attached to a pivot shaft 41 that passes through the headrest main body 37 in the lateral direction and is pivotally supported.

The pivot shaft 4 of the headrest side portion 38
A link member 43 is located at a position spaced apart from 1 in the front-rear direction.
One end of the link member 43 is pivotally supported, and the other end of the link member 43 is attached to a pin member 45 that projects from a bracket 29a of an adjuster 29 fixed to the back panel 26 side of the vehicle body. Furthermore, the link member 43
is bent into an L-shape, and may be attached to the pin member 45 in a pivoted manner or in a fixed manner.

Therefore, when the seat cushion 22 of the seat 21 is moved forward by the front-rear slide mechanism 24 from the normal sitting state where the seat 21 is shown as a solid line in FIG. is tilted backward by the hinge portion 22b and the adjuster 29, the seat back 23 moves downward, and the headrest main body 37 attached to the seat back 23 moves downward.

At this time, the headrest side parts 38 provided on both sides of the headrest main body 37 are rotated forward as shown by the arrow around the pivot shaft 41 by the link member 43 attached to the back panel 26 side of the vehicle body, and are rotated upward as shown by the arrow. The protruding portion 38a protruding toward the front is supported in a state where support performance is improved. The direction of rotation of the link member 43 can be set depending on the mounting position of the link member 43, and the highly supported state shown by the imaginary line in which the protrusion 38a is located forward is the normal seating state, and the protrusion 38a is positioned upward. It is also possible to set the state shown by the solid line located in the reclining state.

Different embodiments of the present invention are shown in Fig. 3 and Fig. 4 A and B, respectively, and parts corresponding to those of the above-mentioned embodiments are given the same reference numerals, and further detailed explanation thereof will be omitted. However, the headrest main body 37 disposed above the seat back 23 is attached by pivoting the headrest stay 39 to a bracket 51 fixed to the back panel 26 side of the vehicle body, and a headrest stay 39 is mounted in the middle of the headrest stay 39. One end is pivotally supported, and the other end is the seat back frame 23a.
The first bracket attached to the bracket 53 fixed to the
a link member 43, one end of which is pivotally supported at a position apart from a pivot shaft 41 serving as a pivot portion of the headrest side portion 38, and the other end of which is connected to the first link member 43.
The second link member 45 is pivotally supported in the middle of the second link member 45, and the other configurations are the same as those of the above-mentioned embodiment. A pivot shaft 41 serving as a pivot support is inserted into the lower side of the headrest main body 37 and the headrest side portion 38.

Therefore, when the seat back 23 moves downward from the state shown in FIG. 4A, the first link member 43
The headrest stay 39 is pulled downward through the headrest stay 39 as shown in FIG.
The headrest body 37 and the headrest side portion 38 are entirely fitted to the bracket 51.
Since the headrest side portion 38 is further rotated forward around the pivot shaft 41, and the second link member 45 pivoted in the middle of the first link member 43 protrudes relatively above the headrest stay 39, the headrest side portion 38 is further rotated forward in the counterclockwise direction around the pivot shaft 41.

In this way, the entire headrest 35 is held in a forwardly moved state, and in particular, the headrest main body 3
7 is rotated forward and the head of the seated person can be supported by the pair of left and right headrest side portions 38 protruding forward, so that the seated person can secure a forward view when in a reclined state. be.

[Effect of idea]

The above is the configuration of an embodiment of the vehicle seat according to the present invention. According to this configuration, a headrest is disposed above the seat bag of the seat, and the headrest has a headrest main body and a headrest main body. It has a pair of left and right head rest side parts pivotally supported on both sides thereof so as to be rotatable in the front-rear direction, and a link member is pivotally supported on the head rest side parts,
Since the head rest side portion is rotated by the link member when the seat bag moves downward, it is possible to form a head rest with a different shape depending on the normal sitting state and the reclining state of the seat bag, and this different head rest can be formed. It is possible to obtain an economical vehicle seat that can support the head of the occupant due to its shape.

[Brief explanation of drawings]

1 and 2 schematically show an embodiment of the vehicle seat according to the present invention, in which FIG. 1 is an explanatory side view of the seat, FIG. 2 is an exploded perspective view, and FIGS. 4A and 4B are a perspective view showing a modification of the present invention and a side view showing the operating state, respectively, and FIG. 5 is a side view of a conventional seat. In the figure, 21... Seat, 22... Seat cushion, 22b... Hinge portion, 23... Seat back, 24... Front and rear slide mechanism, 25... Vehicle body floor, 26... Vehicle body back panel, 27... Bracket, 27a...Pin member, 28...Elongated hole, 29
...Asiasutha, 35...Headrest, 37...
...Head rest main body, 38...Head rest side portion, 38a...Protrusion, 39...Head rest stay, 41...Pivot shaft, 43, 45...Link member, 51, 53...Bracket.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A seat cushion attached to the vehicle floor via a front-back sliding mechanism, a lower portion of which is connected to the rear end of the seat cushion via a hinge,
A vehicle seat comprising a seat back whose upper part is movably mounted in the vertical direction via an adjuster having an elongated hole extending vertically on the back panel side of the vehicle body, wherein a head rest is disposed above the seat back. , the headrest has a headrest main body attached to the seat bag, and a pair of left and right headrest side parts pivotally supported by pivot parts on both sides of the headrest main body so as to be rotatable in the front-rear direction, and the headrest side parts One end of the link member is respectively pivotally supported at a position spaced apart from the pivot part of the link member, and the other end of the link member is respectively attached to the back panel side of the vehicle body,
A vehicle seat characterized in that the pair of left and right head rest side portions are rotated by the link member as the seat bag moves downward. (2) A seat cushion is attached to the vehicle floor via a front-back sliding mechanism, and the lower part is connected to the rear end of the seat cushion via a hinge.
A vehicle seat comprising a seat back whose upper part is movably mounted in the vertical direction via an adjuster having an elongated hole extending vertically on the back panel side of the vehicle body, wherein a head rest is disposed above the seat back. The headrest includes a headrest main body attached to a headrest stay that is pivotally supported on the back panel side of the vehicle body, and a pair of left and right heads that are pivotally supported by pivot parts on both sides of the headrest main body so as to be rotatable in the front-rear direction. a first link member having a rest side portion, one end of which is pivotally supported in the middle of the head rest stay, and the other end of which is pivotally supported on a seat back frame side; a second link member that is pivotally supported at a spaced apart position and whose other end is pivotally supported by the first link member, and when the seat bag moves downward, the headrest main body and the headrest side portion are moved to the first link member. 1. A vehicle seat, wherein the vehicle seat is pivoted forward by one link member, and the pair of left and right head rest side portions are pivoted forward by the second link member.