JP2001104090A - Seat device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat device which can give sitting comfortableness even if a person who is seated is a child and can be used as a child seat. SOLUTION: A headrest 40, a neck rest 401 and side supports 42 are disposed in a seat back 14. The headrest 40 and the neck rest 41 can be vertically adjusted in positions 3 and divided in the lateral direction into three parts, and both end parts thereof can be opened and closed. The side supports 42 are formed by support bodies 42a, 42b slit into two parts in the lateral direction, and these support bodies 42a, 42b can be opened and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat device installed in a cabin of an aircraft or a passenger vehicle of a railway.

[0002]

2. Description of the Related Art Conventionally, as a seat device (hereinafter, also referred to as a seat) installed in a business class or first class cabin of an aircraft, a reclining device in which a seat back (backrest) can be tilted backward. Formula sheets are common. There is also known a seat back provided with a headrest for supporting the back of the head of a seated person and an ear support for supporting the vicinity of the ears and the temporal region.

For example, a seat device disclosed in Japanese Patent Application Laid-Open No. 10-23941 is capable of adjusting a tilt angle of a headrest body for supporting a back of a seated person between a standing state and a forward tilting state with respect to a seatback, and a vertical direction. A pair of left and right ear support bodies that support the area around the ears and the temporal region of the occupant are integrally and closed on both sides of the headrest body while being mounted so as to be position-adjustable. It is mounted so that the angle of opening can be adjusted to the open state where the distance between the two is widened.

In such a seat device, when the headrest body is tilted forward while taking a reclining posture, the headrest body can be supported in an upright posture.
You can watch TV or read a book in an easy posture, and if you support the area around your ears and temporal region with the ear support body, you can block the view of the next occupant and secure a private space There is an advantage.

[0005]

However, in the conventional aircraft seat devices, the widths of the seat bottom and the seat back are all designed to be large according to the physique and height of an adult. There is a problem that a large gap is formed between the armrest and the occupant, and the seat device cannot be said to be a comfortable seating device. Also, even if the height of the headrest body is adjusted to the lowest position, the head does not reach the headrest body, and the headrest and ear support do not perform their original functions, so, especially for children under 6 years old, It was necessary to use a special child seat.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to stably support a child or a seated person having a small body. By providing a function as a child seat, there is no need to use a special child seat even for a child under 6 years old, and a vehicle seat device that can be stably seated or laid down. To provide.

[0007]

According to a first aspect of the present invention, there is provided a vehicle seat apparatus including a seat bottom, a seat back, a headrest, and a pair of left and right armrests. An openable side support for supporting the waist and the back is provided.

[0008] In a second aspect based on the first aspect,
An openable and closable necklace for supporting a seated person's neck is provided on the seat back so that the vertical position can be adjusted.

In the present invention, when the side support is closed, it hits the waist of the occupant, so that even an infant or child can be supported in a stable state. If the occupant is an infant or child, lower the necklace to the neck of the occupant,
When the side support is closed, it can be used as a child sea. Therefore, even infants and children can be stably seated or laid down.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings. FIG. 1 is an external perspective view showing an embodiment of a vehicle seat device according to the present invention, FIG. 2 is an external perspective view of the seat device as viewed obliquely from the rear, FIG. 3 is a front view of the seat device, and FIG. 5 is a plan view of the seat device, FIG. 5 is a rear view of the seat device, FIG. 6 is a side view of the seat device, FIG. 7 is a sectional view taken along the line VII-VII of FIG. 3, and FIG. 9 is a perspective view of a main part of the headrest, FIG. 10 is a sectional view taken along line XX of FIG. 3, FIG. 11 is a sectional view taken along line XI-XI of FIG.
FIG. 12 is a perspective view of a main part of an armrest, FIG. 13 is a perspective view showing a seat back and a partition plate, and FIG. 14 is a perspective view of a main part of a console. In this embodiment, an example is shown in which the present invention is applied to a two-seat reclining seat developed for a business class cabin of an aircraft.

In these figures, in a business class cabin of an aircraft, a plurality of seat devices 1 are arranged at a predetermined seat pitch P (FIG. 6) in the front-rear direction along the body wall. The seat device 1 has two seats 2,
2 is laterally connected by two front and rear pipes 3 and 3 (FIG. 6) to constitute a two-seat double seat type seat. The two pipes 3, 3 are supported by a front leg 4 and a rear leg 5, and the front leg 4 and the rear leg 5 are detachably fixed to a seat track 7 laid on the floor 6 of the passenger compartment via a mounting bracket 8. ing. Two seat tracks 7 are laid in parallel below each seat device 1 at predetermined intervals in the left-right direction. The adjacent left and right seats 2 and 2 constitute reclining seats, respectively, in FIG. 1 both in a normal state, in FIG. 2 the left seat 2 is in a normal state, and the right seat 2 is in a seat back. 14 shows a reclining state in which 14 is tilted backward.

Further, the structure of the seat 2 will be described in detail.
The seat 2 includes the pipe 3, the seat bottom 9, the left and right armrests 12 and 13 having the sleeves 10 and 11, the seatback 14, the table 15, the leg rest 16, and the seat bottom 9 constituting the seat frame. A drive device (not shown) disposed below and rotating the seat back 14 and the leg rest 16 in the front-rear direction is provided. 3 and 6, the height H of the seat apparatus 1 is 1143 mm, the width W is 1371.6 mm,
The width W1 of the outer armrest 12 is 76.2 mm, the width W2 of the inner armrest 13 is 177.8 mm, the interval W3 between the left and right armrests 12 and 13 is 520.7 mm,
The seat pitch P of the front and rear seat devices 1, 1 is 1270 mm
It is about.

The seat bottom 9 is provided with a seat belt 17.
(FIG. 4) and is fixedly installed on the seat frame.

The outer armrest 12 includes a sleeve 10 formed of a vertically elongated box body whose upper surface is open, and an arm cap 18 that can be opened and closed in the left-right direction and covers an opening of the upper surface of the sleeve 10. 10 is fixed to the seat frame. The table 15 is housed inside the sleeve 10 so as to be freely drawn out. The table 15 can be folded in two at the center in the width direction, and when it is pulled out from the sleeve 10 at the time of use, the table 15 is opened as shown by a two-dot chain line in FIG. Supported by the upper surface.

The inner armrest 13 has a sleeve 11 forming a vertically long box like the outer armrest 12,
The armrest 21 covers the upper surface of the sleeve 11, but has a width W2 larger than that of the outer armrest 12, since it is shared by the occupants of the two adjacent seats 2, 2. In addition, cocktail trays 22 and 23 are respectively housed in the upper front surface and both side surfaces of the front end of the sleeve portion 11 so as to be freely drawn out. These cocktail trays 22 and 23 are used in place of the table 15, and are used when placing small bottles, confectioneries, paper cups, small articles, and the like. The front side cocktail tray 22 is attached to the sleeve 11 so as to be able to be pulled out forward and backward, and the side side cocktail tray 23 is formed in a triangular shape, and the rear end top is rotatable by the shaft pin 19 (FIG. 4). It is pivoted on.

Further, a lower space on the front side inside the sleeve portion 11 forms a storage portion 24 (FIG. 3) for storing a life vest to be worn at the time of emergency evacuation. The storage portion 24 has an opening 25 that opens to the front of the sleeve portion 11.
Is normally closed by the door 26. Furthermore, relief portions (recesses) 27 (FIG. 1) for allowing the occupant's knees to escape are formed in portions between the upper surface of the seat bottom 9 and the arm cap 21 on both side surfaces of the sleeve portion 11. If such a relief 27 is formed, the width of the portion of the sleeve 11 where the knee touches is reduced, so that the distance between the sleeves of the left and right armrests 12 and 13 is substantially increased without increasing the width W of the seat device 1. It can provide more comfort and comfort to the occupant. The escape portion 27 can be formed by storing a TV monitor 74 described later in the console 70 without storing the TV monitor 74 in the sleeve 11.

The upper surface of the front end of the arm cap 21 is
As shown in FIG. 12, it is formed on a slope 30 that is inclined upward and forward so as to gradually increase toward the front end,
Two control panels 31 are mounted on the slope 30. Each control panel 31 operates the driving device of the seat back 14 and the leg rest 16, adjusts the volume of the earphone or the TV monitor 74, switches the channel, and reads the reading light 33 (FIGS. 3 and 13). And the like are provided with various operation buttons 34 for turning ON and OFF. The reason why the upper surface of the front end of the arm cap 21 to which the control panel 31 is attached is formed as a slope 30 that is inclined upwardly forward is that the seat back 14 is tilted from the substantially upright normal state to the reclining position and the seated person is lying down. In this case, the various operation buttons 34 can be visually recognized and the operation can be easily performed.

The seat back 14 is rotatably connected at its lower end to a seat frame, and is driven by a seat back driving device (not shown) disposed below the seat bottom 9 when switching from a normal state to a reclining state. It is configured to be inclined backward by a predetermined angle.
The maximum tilt angle of the seat back 14 is about 30 °, and the maximum backward movement distance D (FIG. 6) is about 330 mm.

Referring to FIGS. 1, 3, 8 and 9, a headrest 40 is provided on the upper front surface of the seat back 14.
Are arranged. The headrest 40 has a downward U-shape when viewed from the front, extends over the entire width of the seat back 14, and is divided into three portions 40a, 40 divided in the left-right direction.
b, 40c, and a skin member 43 covering these portions 40a, 40b, 40c. Central part 40a
Constitutes a headrest body that supports the back of the head, and is fixed to a support 44 via a mounting bracket 45.

The left and right portions 40b and 40c form an ear support body for supporting the occupant's ears and the temporal region, and are fixed to the ear frame 46, respectively. The ear frame 46 has a rotation shaft 48 that is rotatably fitted so that an appropriate frictional force is generated in a guide hole 47 a of an ear support guide 47 provided at an end of the support 44.
As a result, the left and right portions 40b and 40c are
It is configured to be openable and closable so as to be closed to each other and narrowed to each other and to open and widen each other. The frictional force between the rotating shaft 48 and the guide hole 47a is
It can be adjusted by the tightening force of the adjusting screw 49 so that the occupant can hold the ear support body 4 around the temporal region and the ears in a normal state.
In the state where it is in contact with 0b and 40c, the opening angle is maintained without rotating, and it is adjusted so that it can rotate when a force larger than that is applied.

The headrest 40 has a pair of left and right guide rails 52 provided on a frame 51 of the seat back 14 and slide rails 53 provided on the support 44.
Is slidably fitted, the vertical position can be adjusted, and the height is continuously adjusted according to the position of the back of the head of the seated person. The frictional force between the guide rail 52 and the slide rail 53 is set to be greater than the force in the direction in which the headrest 40 falls under its own weight.

Here, in the present embodiment, the headrest 40 is provided so that the vertical position can be adjusted. However, the headrest 40 may be configured so that the entire headrest 40 can be further tilted forward. When the reclining posture is taken, the seated person can be supported with the head raised, so that the user can view the TV monitor 74 or read a book in a comfortable posture, thereby reducing fatigue. it can.

In FIGS. 1, 3 and 10, a necklace 41 is disposed above the front surface of the seat back 14 below the headrest 40.
This necklace 41 is divided into three parts 41a, 41
b, 41c, and a skin member 55 covering these portions. The central portion 41a is provided with the headrest body 4
Oa is fixed to the frame 56 with substantially the same length as Oa, and forms a necklace body that supports the back of the neck of the seated person. In the frame 56, guides 57 having guide holes 57a at both ends are fixed respectively.
4 is mounted on the frame 51 via the guide rail 52 and the slide rail 58 so that the vertical position can be adjusted. The frictional force between the guide rail 52 and the slide rail 58 is set to be greater than or equal to the force in the direction in which the necklace 41 falls under its own weight.

Both ends 41b, 41 of the necklace 41
“c” constitutes a necklace body that supports the side surface of the neck of the seated person, and has a rotation shaft 59 that is rotatably fitted so that an appropriate frictional force is generated in the guide hole 57a of the guide 57. Thus, the central portion 41a is configured to be openable and closable so that the central portion 41a is closed and narrowed to each other, and is opened to each other and widened. The frictional force between the rotation shaft 59 and the guide hole 57a can be adjusted by the tightening force of an adjustment screw (not shown), and does not rotate in a normal state in which the occupant has brought the neck into contact with both end portions 41b and 41c. It is adjusted so that the opening angle can be maintained and it can be rotated when a larger force is applied. In addition, both ends 41
The lengths b and 41c are approximately half the length of the ear support bodies 40b and 40c.

Further, a side support 42 is disposed below the necklace 41 on the front surface of the seat back 14. The side support 42 extends over the entire width of the seat back 14 and supports a portion extending from the lumbar vertebra of the seated person to the back. As shown in FIG. 11, the side support 42 includes a pair of left and right support bodies 42a and 42b.
Each of the support bodies 42a and 42b is
A rotating shaft 61 rotatably fitted so that an appropriate frictional force is generated in a guide hole 62a of a guide 62 provided in the frame 51 of the frame 51. It is configured to be openable and closable so that it is open and widened. Rotating shaft 61 and guide hole 62a
Can be adjusted by a tightening force of an adjustment screw (not shown). When the occupant presses his / her back against both support bodies 42b and 42c in a normal state, the occupant does not rotate and maintains the opening angle. It is adjusted so that it can rotate when a larger force is applied.

Here, in the present embodiment, the side support 42 is constituted by the two support bodies 42a and 42b, but the invention is not limited to this and is divided into three like the headrest 40 and the necklace 41 described above. The portions may be fixed to the frame 51 and both end portions may be configured to be openable and closable with respect to the center portion.

In FIG. 1, FIG. 3 and FIG. 6, the leg rest 16 is mounted below the front end of the seat bottom 9. The leg rest 16 has a telescopic footrest 65 at the end thereof, and usually has a seat bottom 9.
When the seatback 14 is switched from the normal state to the reclining state, the legrest driving device (not shown) installed below the seat bottom 9 rotates the seatback 14 by a required angle when the seatback 14 is switched from the normal state to the reclining state. It is configured to be. At this time, the footrest 65 is automatically extended.

In FIGS. 3, 5 to 7, the console 70 is provided with a front case 71 mounted on the upper surface of the rear end of the inner armrest 13 so as to be located between the seatbacks 14 of the left and right seats 2, 2. And a rear case 72 detachably attached to the back of the armrest 13 and protruding above and behind the armrest 13. The front case 71 includes the sleeve 1 of the armrest 13.
1 protrudes from the upper surface of the rear end. The front case 71 is open on the rear side, and the inside thereof is stored in the storage section 75 of the TV monitor 74 together with the internal information of the rear case 72.
Is formed. The storage unit 75 includes two TV monitors 7
It has sufficient width and depth to accommodate 4,74.

The TV monitor 74 is rotatably mounted on a support base 76 by means of an articulated joint, and is housed together with the support base 76 in the housing 75 so as to be able to be pulled out. The support base 76 has rollers that move along a pair of left and right guide rails 77 provided along the inner surfaces of the front case 71 and the rear case 72, and an opening formed on the front side of the front case 71 during use. It is configured to be pulled forward from the portion 78 (FIG. 13). As shown in FIG. 7, the guide rail 77 is inclined backward and downward so that the rear end side is slightly lower than the front end side. By inclining the guide rail 77 in this way, it is possible to prevent the TV monitor 74 from jumping forward from the storage section 75 due to vibration, impact, or the like. The support base 76 is pulled out obliquely upward from the storage part 75, but after being drawn out of the maximum stroke, the support base 76 turns downward around its rear end by its own weight, and the lower surface of the front end side contacts the upper surface of the armrest 13 by It is supported almost horizontally.

Thus, the TV monitor 74 is connected to the console 7
When stored in 0, there is no need to store in sleeve 11,
The escape portion 27 can be provided in the sleeve portion 11, so that the occupant can be given room and comfort. In addition, it is easy to put the TV monitor 74 in and out of the reclining posture. The reading light 33 is provided on the front case 7.
1 is provided on the front surface.

The rear case 72 has a front opening and a rear opening of the front case 71 and an armrest 1.
3 covers the back. The rear case 72 has a width substantially equal to the width of the rear end of the armrest 13, has a rectangular shape in a side view of an upper half portion, and has a substantially quarter shape in a side view of a lower half portion.
The magazine pocket 80 and the concave portion 81 (FIGS. 2 and 14) are formed vertically on both side surfaces of the upper half portion so as to communicate with each other. The opening 80 a of the magazine pocket 80 is open at the bottom of the recess 81. Further, the opening 80a is inclined backward and downward. Recess 81
Is formed for facilitating the operation of taking in and taking out the equipment 82 such as a magazine from the magazine pocket 80, and is open to the back of the rear case 72, and has a trapezoidal shape in a side view in a side view. Thereby, the upper wall 81a is inclined in the direction opposite to the opening 80a. Also,
A magazine pocket 80 and a light 84 for illuminating the feet of the occupant are attached to the upper wall 81a.

On the other hand, the inner space of the lower half of the rear case 72 is partitioned into two left and right storage portions 87 (FIGS. 2, 5, and 7). The storage portion 87 is used by a occupant of the rear seat to store accessories such as personal belongings such as a handbag and a second back, and is provided on the rear side of the rear case 72 that is curved in a convex shape. The opening 88 is normally closed by a lid 89 with a pocket. The lower end of the lid 89 is pivotally attached to the lower part of the rear case 72 so as to be freely rotatable. Further, a monitor 90 made up of an LED, an LCD, and the like for indicating that the seat is a non-smoking seat and for indicating that a seat belt is worn or the like is attached to the upper rear portion of the rear case 72.

Further, at the center of the upper surface of the console 70, a partition plate 91 is provided. This partition plate 91
As shown in FIG. 7, a front end near the middle portion in the height direction is pivotally supported by a horizontal support shaft 92 so as to be freely rotatable.
The upper end protrudes above the console 70 by being held in a substantially upright state as shown by a solid line, and the lower end is located in the console 70, and is turned approximately 90 ° forward and turned sideways during use. With this configuration, the upper end protrudes forward of the front case 71 to partition the front between the adjacent seatbacks 14. In this use state, the face is placed on the armrest 1 to see the TV monitor 74.
The face of the next occupant does not enter the field of view even when facing the third side, and a private space can be secured. In addition, the screen of the TV monitor 74 does not enter the field of view of an adjacent seated person.

In the seat apparatus 1 having such a structure, since the side supports 42 are provided, if the support bodies 42a and 42b are closed to reduce the interval to support the waist of a seated person, the body may be rolled. It does not give a feeling of anxiety to the occupant, and is particularly suitable for use by children and occupants with a thin body.

In the present invention, the necklace 41
And the side support 42 can be used as a child seat. That is, since all conventional vehicle seat devices are designed to fit the physique of an adult, in the case of a child, the head position is lower than the headrest 40, and the width of the seat back 14 itself is wide, so that the This is not a stable and comfortable seating device. Therefore, if the necklace 41 and the side support 42 are provided, the necklace 41 is lowered according to the position of the neck of the child, and when the side support 42 is closed, even a child from an infant to a child of about 5 to 6 years is stable. It can be left sitting or lying down without the need for a dedicated child seat.

In the above-described embodiment, an example is shown in which the present invention is applied to a two-seat double-seat type seat. However, the present invention is not limited to this. It is also applicable to sheets for use and the like. Further, the present invention is applied to a business class seat device of an aircraft, but can also be applied to a first class seat device and a seat device of a railway passenger vehicle.

[0037]

As described above, according to the vehicle seat apparatus of the present invention, the lumbar region of the occupant can be supported in a stable state, and the occupant may feel uneasy when the body rolls. It is particularly suitable for use by children and occupants with a small body.

In addition, since a necklace and a side support are provided and these can be used as a child seat, even a child from an infant to a child of about 5 to 6 years can be stably seated or laid down, There is no need to prepare a special child seat.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing one embodiment of a vehicle seat device according to the present invention.

FIG. 2 is an external perspective view of the seat device as viewed obliquely from behind.

FIG. 3 is a front view of the seat device.

FIG. 4 is a plan view of the seat device.

FIG. 5 is a rear view of the seat device.

FIG. 6 is a side view of the seat device.

FIG. 7 is a sectional view taken along line VII-VII of FIG. 3;

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a perspective view of a main part of the headrest.

FIG. 10 is a sectional view taken along line XX of FIG. 3;

FIG. 11 is a sectional view taken along line XI-XI of FIG. 3;

FIG. 12 is a perspective view of a main part of the armrest.

FIG. 13 is a perspective view showing a seat back and a partition plate.

FIG. 14 is a perspective view of a main part of the console.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Seat device, 2 ... Seat, 9 ... Seat bottom, 10,
11 ... sleeve, 12, 13 ... armrest, 14 ... seat back, 15 ... table, 16 ... leg rest, 24 ...
Storage section, 31: control panel, 40: headrest, 41: necklace, 42: side support, 70
... console, 71 ... front case, 72 ... rear case,
74: TV monitor, 80: Magazine pocket, 87: Storage unit.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B64D 11/06 B64D 11/06

Claims (2)

[Claims] 1. A vehicle seat device comprising a seat bottom, a seat back, a headrest, and a pair of left and right armrests, wherein the seatback is provided with an openable / closable side support for supporting a waist and a back of a seated person. Vehicle seating equipment. 2. The vehicle seat device according to claim 1, wherein an openable / closable necklace for supporting a neck of a seated person is provided on a seat back so as to be adjustable in a vertical position.