JPH11165568A - Built-in auxiliary seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To rationalize a use space, maintain a seated feeling in a condition of ordinary seat use. SOLUTION: Partly a width direction of a back rest seat 3 of a seat is formed in a back rest central part 5, its lower/upper side part is constituted respectively in a lower side back rest central part 31 able to longitudinally turn in the center of a lower part cross shaft 32 and in an upper side back rest central part 40 able to be mounted/demounted, with the cross shaft 32 serving as the axis, the lower side back rest central part 31 is front rotated, the upper side back rest central part 40 is nipped between back rest central part 31 and a seat 2, so as to be used.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary seat used as a child seat used by children.
The present invention relates to a (built-in) sheet incorporating the auxiliary sheet.

[0002]

2. Description of the Related Art Japanese Patent Publication No. Hei 7-506787 discloses a backrest sheet having a part in the width direction formed at a center portion of the backrest, and the center portion of the backrest is divided vertically. The lower portion of the central portion of the backrest is provided at the lower central portion of the lower backrest which is rotatable back and forth about the lower horizontal axis, and the upper portion of the central portion of the backrest is provided at the central portion of the removable upper backrest. In addition, there is described a built-in auxiliary seat in which the central portion of the upper backrest is continuously used at the central portion of the lower backrest.

[0003]

In the above-mentioned known example, the center portion of the upper backrest has a leg support on which a child's leg is placed,
Since the leg support is selectively used depending on the height of the child, there is a problem that when the leg support is not used, it becomes an obstacle. In addition, since there is no ingenuity in the center of the lower backrest, there is a problem that when an adult sits down, the sitting feeling of the buttocks is poor. Further, since the frame of the backrest of the auxiliary seat is attached to the skeletal frame of the backrest seat of the main body, there is also a problem that the structure becomes complicated. Since the present invention is an auxiliary seat used as a child seat adopting a built-in type, regardless of whether the child seat is used or not, it does not become a hindrance and does not impair the sitting feeling even when a normal adult is seated. It was done. Further, the configuration is simplified.

[0004]

The object of the present invention is to rationalize the use space when a child sits down, to maintain a feeling of sitting in a normal seat use state, to simplify the configuration, to facilitate manufacture and assembly, and to reduce costs.

[0005]

According to the present invention, a portion of the seat in the width direction of the backrest sheet 3 is formed in a backrest central portion 5, and the backrest central portion 5 is formed by dividing vertically. The lower part of the backrest central part 5 is in the lower backrest center part 31 which is rotatable back and forth about the lower horizontal axis 32, and the upper part of the backrest center part 5 is the detachable upper backrest center part 40. The horizontal axis 32 is provided above the upper surface of the seat 2 at a predetermined interval, and the lower backrest central portion 31 is used by sandwiching the upper backrest central portion 40 between the upper backrest central portion 40 and the seat 2. This is a built-in auxiliary sheet as described above. According to the present invention, a part of the seat in the width direction of the backrest sheet 3 is formed in a backrest central portion 5, the backrest central portion 5 is divided vertically and a seat is provided on the back side of the backrest central portion 5. An auxiliary backrest frame 16 fixed to the vehicle body independently of the seat 2 and the backrest seat 3 is provided, and a lower portion of the backrest central portion 5 is a lower side which is rotatable back and forth about a lower horizontal shaft 32. The upper back central part 5 is configured to be detachable from the central part 31 of the backrest, and the upper central part 40 is detachable. This is a built-in auxiliary seat that is used by rotating the front side.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Is a seat used for a vehicle or the like, which will be described as an example of a vehicle seat 1. The vehicle seat 1 is configured by providing a backrest seat 3 on a seat 2 attached to a vehicle body side. The backrest sheet 3 includes a part in the width direction of the backrest sheet 3 and
The backrest bank 6 is provided so as to protrude slightly forward on both left and right sides or any one side of the center part 5 of the backrest. Further, the seat 1 of the embodiment is configured as a bench seat type in which the seat seat 2 and the backrest seat 3 are arranged side by side, and the backrest center portions 5 are provided on both left and right sides, respectively.
The center in the width direction may be the center portion 5 of the backrest. Alternatively, the center in the width direction of a single captain sheet (separate sheet) type may be used as the backrest center portion 5.

In the embodiment, a headrest 7 is formed integrally with the upper portion of the backrest central portion 5. The seat 2 has a seat central portion 10 on each of the left and right sides in the width direction.
The seat bank 11 is provided so as to swell slightly upward on both left and right sides or any one side of the seat central portion 10. Thus, the backrest sheet 3 is provided with the auxiliary sheet 15 incorporated therein. The auxiliary seat 15 is configured by providing an auxiliary backrest frame 16 on the back side of the backrest central portion 5 of the backrest sheet 3. The auxiliary backrest frame 16 is
It is made of synthetic resin, and a fixing bracket 17 is attached to the upper part of the auxiliary backrest frame 16. The fixing bracket 17 is provided with a pair of arms 19 so as to protrude forward on both left and right sides of the main body 18 in the left-right direction, and the upper part of the auxiliary backrest frame 16 is screwed to a mounting part 20 provided at the tip of the arm 19. The main body 18 is fixed to a fixing frame 22 provided on the vehicle body side.

The lower portion of the auxiliary backrest frame 16 is fixed to a fixing portion provided on the vehicle body side by fixing means 21.
In the embodiment, the lower bracket 2 provided on the fixed portion of the floor portion is used.
It is fixed to 3. An auxiliary cushion member 25 is provided on the front side of the auxiliary backrest frame 16. The auxiliary cushion member 25 is formed in a series of lengths from the auxiliary backrest portion 26 of the auxiliary seat 15 to the auxiliary seat portion 27, and the upper portion of the auxiliary cushion member 25 is attached to the upper portion of the auxiliary backrest frame 16 by any means. Fix it. Therefore, the auxiliary sheet 15
The auxiliary backrest 26 of the auxiliary backrest frame 16 and the auxiliary backrest cushion 28 of the auxiliary cushion member 25
It consists of.

The auxiliary seat portion 27 of the auxiliary seat 15
Is constituted by a backrest central portion 5 of the backrest sheet 3.
That is, the portion of the backrest central portion 5 is vertically divided at a substantially middle position in the vertical direction, and the lower lower backrest central portion 31 is provided rotatably in the front-rear direction by a horizontal shaft 32 provided thereunder. . The lower backrest central portion 31 surrounds the front side of the backrest central cushion member 35 with a skin member 36.
A plate member serving as an auxiliary seat frame 37 is provided on one auxiliary backrest frame 16 side. The position of the horizontal axis 32 is
Arrange so that it is located slightly above the buttocks of the seated person,
The rear of the buttocks is located on the rear side for better fit. Therefore, when the lower backrest central portion 31 is rotated forward, the upper surface of the lower backrest central portion 31 is inclined forward and downward.
Therefore, the upper backrest central portion 40 of the upper backrest central portion 5
The cushion member 41 is configured so as to be detachable from the backrest frame 16 for the auxiliary backrest 16 and the backrest bank 6 of the backrest seat 3.
Is surrounded by a skin member 42, and the upper backrest central portion 40
Is inserted below the lower backrest central portion 31 to hold the lower backrest central portion 31 in a seated state.

Accordingly, the lower backrest central portion 31 rotated forward, the upper backrest central portion 40 inserted below the lower backrest central portion 31, and the auxiliary seat cushion portion 43 of the auxiliary cushion member 25 are provided. Thus, the auxiliary seat 27 is configured. A part of the upper backrest central portion 40 can be used as a leg support by protruding forward of the lower backrest central portion 31. However, when unnecessary due to the height of the child, the lower backrest central portion can be used. It is also possible to store it below 31 (not shown). Thus, a planar fastener 45 is provided on the back surface of the upper backrest central portion 40, and the planar fastener 45 is bonded to a planar fastener 46 provided at a predetermined position above the auxiliary cushion member 25. Engaging teeth 48 of a slide fastener are provided on the upper rear side of the side backrest central part 31 and the lower rear side of the upper backrest central part 40, respectively, and these are engaged by a slider 49 and fixed by being joined.
And Further, a rotatable rotating piece 50 is provided on the back surface of the upper backrest central portion 40, and a planar fastener 51 of the rotating piece 50 is adhered to a planar fastener 52 provided on the auxiliary seat portion 27, and an auxiliary seat is provided. The state of use as 15 is maintained.
53 is a planar fastener.

[0011]

Next, the operation will be described. The auxiliary cushion member 25 is attached to the front surface of the auxiliary backrest frame 16, and the auxiliary seat cushion portion 43 below the auxiliary cushion member 25 is folded upward. When the central portion 31 is rotated upward about the horizontal axis 32, and then the upper backrest central portion 40 of the backrest central portion 5 is attached to and attached to the planar fastener 46 of the auxiliary cushion member 25,
In the normal use state, mainly adults are seated.

In this case, since the seat 2 of the seat 1 is a normal one, and the backrest seat 3 has the backrest center portion 5 and the auxiliary cushion member 25, the cushioning property is not reduced. Therefore, in this state, the auxiliary seat 15 is stored (incorporated) in the backrest sheet 3 of the seat 1. Since the upper backrest central portion 40 of the backrest central portion 5 of the backrest sheet 3 can be attached to and detached from the auxiliary backrest frame 16, it is detached from the auxiliary backrest frame 16,
Next, when the lower backrest center part 31 of the backrest center part 5 is rotated forward about the horizontal axis 32, the child backrest center part 40 and the lower backrest center part 31 are removed from the child backrest part. A recess for accommodating the upper body appears.

Next, when the seat cushion portion of the auxiliary cushion member 25 is placed on the upper surface of the lower backrest central portion 31, the auxiliary seat 15 is used. In this case, the position of the horizontal axis 32, which is the center of rotation of the auxiliary seat portion 27 of the backrest central portion 5, is arranged so as to be located slightly behind the buttocks of the occupant, so that when an adult sits down. The seat 1 has a good fit of the buttocks and a good sitting posture. On the other hand, although it has a good sitting feeling for adults,
For this reason, when the lower backrest central portion 31 is rotated, the upper surface thereof is inclined forward and downward, but the upper upper backrest central portion 40 of the upper backrest central portion 5 is provided with the cushion member 4.
1 is surrounded by a skin member 42 so as to be detachable from the backrest frame 16 for the auxiliary backrest 16 and the backrest bank 6 of the backrest sheet 3. The lower backrest central part 31 is held in a seated state by being inserted below the side backrest central part 31.

Therefore, the lower backrest center portion 31 can be used without impairing the seating sensation during use of the adult and without providing a lock mechanism for restricting the rotation of the lower backrest center portion 31.
Keeps a good inclination state with the front side slightly higher and the rear side lower. The auxiliary backrest frame 1 of the auxiliary sheet 15
6 is provided with a pair of arms 19 so as to protrude forward on both left and right sides of the main body 18 in the left and right direction, and is fixed to a mounting portion 20 at the tip of the arm 19 by fixing means 21 such as a screw. Is fixed to the fixed frame 22 provided at
When an impact load is applied, the auxiliary backrest frame 16 is deformed, and the arms 19 and the main body 18 of the fixing bracket 17 are deformed, so that the load is reliably absorbed. Further, since the auxiliary backrest frame 16 is directly fixed to the fixed frame 22 provided on the vehicle body side via the fixing bracket 17, the rigidity of the auxiliary backrest frame 16 is improved.

[0015]

According to the present invention, a part of the seat in the width direction of the backrest sheet 3 is formed in the backrest center part 5, and the backrest center part 5 is divided vertically and formed under the backrest center part 5. The side part is the lower horizontal axis 32
The center portion of the lower backrest 31 is rotatable around the center, the upper portion of the backrest central portion 5 is configured as a removable upper backrest central portion 40, and the horizontal axis 32 is the upper surface of the seat 2. The lower backrest central portion 31 is provided at a predetermined interval above, and the lower backrest central portion 31 is a built-in auxiliary seat that is used with the upper backrest central portion 40 sandwiched between the seatback 2 and the seatback 2. ,
Since the position of the horizontal axis 32, which is the center of rotation of the lower backrest central portion 31, is located slightly behind and behind the buttocks of the adult occupant, the buttocks when the adult is seated can be accommodated. The seat 1 can improve the seating posture, and the removed upper backrest central part 40 can be inserted below the lower backrest central part 31 to provide a lower backrest central part. 31 can hold the child in a good inclined state with the front side being slightly higher and the rear side being lower, so that the sitting posture of the child can be improved.
Since a special component such as a lock mechanism for restricting the rotation of the lower backrest central portion 31 is not required, the structure can be simplified, the manufacturing and assembly can be easily performed, and the cost can be reduced. According to the present invention, a part of the seat in the width direction of the backrest sheet 3 is formed in a backrest central portion 5, the backrest central portion 5 is divided vertically and a seat is provided on the back side of the backrest central portion 5. Auxiliary backrest frame 1 fixed to the vehicle body independently of seat 2 and backrest sheet 3
6 is provided, and the lower part of the backrest central part 5 is a lower horizontal shaft 3.
The upper back portion of the backrest central portion 5 is detachably attached to the lower backrest central portion 31 which is rotatable back and forth around the center.
Since the upper backrest central part 40 is removed and the lower backrest central part 31 is used as a built-in auxiliary seat that is used by rotating the front backrest central part 31 forward, the auxiliary backrest frame 16 is It can be used not only as an auxiliary seat but also as a frame of the backrest seat 3 of the main body seat 1, so that the structure can be simplified, manufacturing and assembly can be easily performed, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a seat.

FIG. 2 is a perspective view of a use state of an auxiliary seat (a seat belt and an auxiliary cushion member are omitted).

FIG. 3 is an exploded perspective view.

FIG. 4 is a rear perspective view of the central portion of the upper backrest and the central portion of the lower backrest, which are the central portion of the backrest.

FIG. 5 is a longitudinal sectional side view of the seat.

FIG. 6 is a longitudinal sectional side view of the seat in the use state of the auxiliary seat.

FIG. 7 is a perspective view of a use state of an auxiliary sheet (an auxiliary cushion member is omitted).

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Seat, 2 ... Seat seat, 3 ... Backrest seat, 5 ... Backrest center part, 6 ... Backrest bank part, 7 ... Headrest, 10 ...
Seat central part, 11 ... Seat bank, 15 ... Auxiliary seat, 1
6 ... Auxiliary backrest frame, 17 ... Fixing bracket, 1
8 Body, 19 Arm, 20 Mounting Unit, 21 Fixing Means, 22 Fixed Frame, 23 Lower Bracket, 25
... Auxiliary cushion member, 26 ... Auxiliary backrest part, 27 ... Auxiliary seat part, 31 ... Center part of lower backrest, 32 ... Horizontal axis 32,3
5 ... backrest central cushion member, 36 ... skin member, 37 ...
Auxiliary seat frame, 40 central part of upper backrest, 41 cushion member, 42 skin member, 46 planar fastener, 50 turning piece, 48 engaging tooth, 49 slider.

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[Procedure amendment]

[Submission date] January 28, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 4

FIG. 5

FIG. 7

FIG. 6

Claims (2)

[Claims] 1. A part of the seat in the width direction of the backrest sheet 3 is formed in a backrest center part 5, and the backrest center part 5 is formed by dividing into upper and lower parts, and a lower part of the backrest center part 5 is formed. The lower shaft center portion 31 is rotatable back and forth about a lower horizontal shaft 32, and the upper portion of the backrest central portion 5 is configured as a removable upper back center portion 40. Is a built-in auxiliary seat that is provided above the upper surface of the seat 2 at a predetermined interval, and the lower backrest central portion 31 is used by sandwiching the upper backrest central portion 40 between the lower backrest central portion 31 and the seat 2. . 2. A part of the seat in the width direction of the backrest sheet 3 is formed in a backrest center part 5, and the backrest center part 5 is divided into upper and lower parts. An auxiliary backrest frame 16 fixed to the vehicle body is provided independently of the seat 2 and the backrest 3, and the lower portion of the backrest central portion 5 is rotatable back and forth about a lower horizontal shaft 32. Side back central part 31
The upper portion of the backrest central portion 5 is constituted by a detachable upper backrest central portion 40, and the upper backrest central portion 40 is removed to rotate the lower backrest central portion 31 forward. Embedded auxiliary seat to be used.