JP2001130298A - Seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat for vehicle which can surely protect an infant, improve the safety, and easily form a child seat with excellent seating quality and sense of security for the infant. SOLUTION: The seat 1 for a vehicle is provided with a seat body 7 comprising a seat cushion 2 and a seat back 3. The seat cushion 2 is divided in U-shape comprising a divided seat part 5 on the forward side of the vehicle and a remaining U-shaped part 6. The divided seat part 5 is turnable between the condition in which an adult can be regularly seated (a seat position) and the condition in which the divided seat part 5 is erected (the child seat position), and a child seat 10 is formed in a space between the divided seat part 5 in the erected condition and the seat back 3 as the divided seat part 5 is turned. This child seat 10 is formed of a foldable cloth, and when the divided seat part 5 is in a stored condition, it is folded and stored on a bottom surface side of the divided seat part 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a vehicle seat.

[0002]

2. Description of the Related Art Conventionally, a commercially available child seat is generally mounted on a seat belt of a vehicle seat while being placed between a seat back and a seat cushion of a normal vehicle seat. On the other hand, some vehicle seats can be modified and used as child seats. As a typical example, the front half of the seat cushion is divided, and the front half is placed on the rear half of the seat cushion. In this case, the front half of the seat back placed on the rear half of the seat cushion serves as a sub-seat cushion, and the original space of the divided front half serves as a foot space for an infant. In addition, the upper peripheral portion of the seat back is divided into a U-shape and can be rotated in the horizontal direction, and the peripheral portion is rotated to make an armrest for a child,
For example, it is described in JP-A-59-156636.

[0003]

However, commercially available child seats do not have a place to store when not in use, so they are obstructive, and are placed on and supported by a highly elastic seat cushion. As a result, there is a problem in that sufficient stability cannot be obtained, and due to the instability, infants are thrown away in an emergency, and sufficient safety cannot be ensured. There is a problem that the work is troublesome. Further, even in the latter configuration for deforming the vehicle seat, the deformation operation is complicated, and it is never satisfactory in consideration of the safety and sitting comfort of the infant. Further, the sitting posture of the infant is always limited to the traveling direction of the vehicle, that is, the forward posture, and the infant may start to cry because the parent's face (driver) cannot be seen.

[0004] It is an object of the present invention to provide a vehicle seat that can reliably form a child seat that is safe and secure for an infant while reliably protecting the infant and improving safety. It is in.

[0005]

In order to solve the above-mentioned problems, a vehicle seat according to the present invention includes a seat body including a seat cushion and a seat back.
A part or the whole of the seat cushion is rotatable between a seat position and a child seat position with respect to the seat back, and in a state where the seat cushion is rotated from the seat position to the child seat position, the seat cushion and the child cushion are rotated. A child seat is formed between the seat cushion and the seat back in accordance with the rotation of the seat cushion from the seat position to the child seat position, and the child seat is provided with the seat cushion when the seat cushion is returned to the seat position. Characterized in that it is housed on the bottom side.

[0006] In the vehicle seat having such a configuration, when the seat cushion is turned to the child seat position,
When the seat cushion is in the seat position, the child seat accommodated on the bottom side of the seat cushion is automatically formed as the seat cushion rotates, so that a complicated mounting operation as in the related art is not required. Further, unlike the conventional child seat, it is not necessary to separately store the child seat when it is not necessary, and the child seat accommodated on the bottom side of the seat cushion can be formed immediately at any time. Although the lower the position in the vehicle, the safer it is, the vehicle seat of the present invention is, for example, a child seat formed between the seat cushion and the seat back with the seat cushion upright as a child seat position. In this configuration, the infant can sit on or lie down at a position lower than the seat cushion position, and the safety of the infant is further improved.

[0007] The child seat has a use form such as a chair or a bed, and is stored in a small volume storage form such as a folding form at the seat position, is accommodated on the bottom side of the seat cushion, and moves from the seat position to the child seat position. With the rotation of, the state of use can be changed from a small volume state to a chair shape or a bed shape or the like. In this case, at the seat position, the child seat is folded, for example, and accommodated on the bottom side of the seat cushion, and at the child seat position, the fold is opened to be a chair or a bed. As described above, the shift from the small volume storage mode to the use mode is automatically performed in accordance with the rotation of the seat cushion, so that a child seat is formed.

As a specific mode of the transition from the small volume storage mode to the use mode, a part of the child seat is connected to a rotatable seat cushion or a part thereof, and the child cushion is partially connected to the rotatable seat cushion or a part thereof. A small volume state such as folding of the child seat can be released with the rotation. In the case of such a configuration, the assembling operation and the forming operation of the child seat require almost no labor.

Further, the child seat is configured to include a flexible cloth material, and the child cloth material can be folded into a small volume state. That is, since the child seat such as a chair or a bed made of a cloth material is made foldable, the assembling work and the forming work are simplified as described above, and the chair or bed made of the cloth material is suitable for an infant. Comfort,
It is comfortable and comfortable, and is almost the same as urethane and other resins. In addition, as the cloth material, for example, a woven fabric or the like woven with fibers such as cotton and hemp can be used.

The above-mentioned child seat is preferably configured in a use state such as a chair shape or a bed shape in such a manner that at least an object to be held by a baby or an infant is covered by a cloth material portion. In this case, the portion of the cloth material covering the infant forms a substitute for the seat belt, so that the infant can be stably held, and the infant can be protected from an impact such as a sudden brake.

[0011] In the child seat position, a backrest portion may be formed on the seat cushion side in the upright state. That is, the seat cushion is rotated from the seat position to be in an upright state,
The infant can sit down or lie down on the seat cushion side with his or her back. When this vehicle seat is used for a passenger seat, for example, the infant can sit down or lie down in the opposite direction to the traveling direction, so that the driver can be seen at any time,
From the driver's seat side, you can always hear the child's appearance,
It is possible to give both the infant and the driver a sense of security.

According to another aspect of the present invention, there is provided a vehicle seat including a seat body including a seat cushion and a seat back.
The pivotable seat back portion is rotatable between a storage position and a child seat position, and in a state where the pivot seat back portion is pivoted from the storage position to the child seat position, the pivot seat back portion and A child seat is formed between the non-rotating remaining seat back portion and the child seat position from the storage position of the rotating seat back portion to the child seat position, and the child seat is
When the rotating seat back is returned to the storage position,
It is housed between the rotating seat back portion and the remaining seat back portion.

In the vehicle seat having such a structure, when the rotating seat back portion is rotated to the child seat position, the child seat accommodated in the seat back when the rotating seat back portion is in the retracted position is rotated by the rotating seat back. Since it is automatically formed between the rotating seat back portion and the remaining seat back portion in accordance with the rotation of the portion, there is no need for a troublesome mounting and assembling operation as in the related art. Further, when the child seat is not required, if the rotating seat back portion is rotated to the storage position, it is automatically stored in the seat back, so that there is no trouble in a conventional child seat storage location. . In particular, if a part of the rear end side of the seat back such as the passenger seat is a turning seat back part that can turn to the rear side of the vehicle, the child seat can be provided in the space between the passenger seat and the rear seat. . in this case,
For example, by placing an occupant other than the driver on the rear seat, the occupant can take care of an infant or the like.

According to a second aspect of the present invention, there is provided a vehicle seat provided with a seat body including a seat cushion and a seat back, wherein a rear end of the seat back is provided. The portion is provided with a retractable child seat portion rotatable rearward of the vehicle between a storage position and a child seat position, and in a state where the retractable child seat portion is rotated from the storage position to the child seat position, A child seat is formed between the stowable child seat portion and the seat back with the rotation of the stowable child seat portion from the stowed position to the child seat position, and the child seat returns the stowable child seat portion to the stowed position. The child seat and the seat Characterized in that it is accommodated between the back. Also in this case, the mounting and assembling work becomes easy, and the child seat can be provided in the space between the passenger seat and the rear seat, so that the occupant of the rear seat can take care of the infant or the like. .

In the vehicle seat, a part or the whole of the seat cushion is rotatable with respect to the seat back between a seat position and a child seat position, and the seat cushion is rotated from the seat position to the child seat position. In the state, a child seat is formed between the seat cushion and the seat back with the rotation of the seat cushion from the seat position to the child seat position, and the child seat is in a state where the seat cushion is returned to the seat position. , Can be housed on the bottom side of the seat cushion. In this case, it is possible to form child seats at two places on the seat cushion side and the seat back side in one vehicle seat, which is particularly effective when a large number of infants are carried.

As a specific embodiment of the vehicle seat, a turning seat back portion or a stowable child seat portion includes:
It has a child seat cushion forming portion and a child seat back forming portion, and the child seat back forming portion is rotatably attached to the child seat cushion forming portion between a storage position and a child seat back forming position, and is turned. When the seat back portion or the stowable child seat portion is rotated to the child seat position, the child seat can be formed by setting the child seat back forming portion to the child seat back forming position.

In the vehicle seat having the above-described structure, the turning seat back portion or the retractable child seat portion is turned to the child seat position, and the subsequent turning of the child seat back forming portion to the child seat back forming position. In other words, the seat cushion and the seat back of the child seat are automatically formed. Therefore, the child seat can be easily formed without the need for complicated mounting and assembling operations as in the related art.

The seat back is rotatable in a plurality of stages by a reclining mechanism. When the rotating seat back portion or the stowable child seat portion is at the child seat position, the seat back is rotated in the forward direction of the vehicle. A seat back portion of the child seat can be formed on the moved seat back side. That is, in a state where the rotating seat back portion or the stowable child seat portion is at the child seat position, the seat back is turned forward to become the child seat back of the child seat,
The infant can sit down or lie down on the back of the seat (that is, the infant faces the rear of the vehicle). When such a vehicle seat is used for a passenger seat, for example, the infant can sit or lie down in the space between the passenger seat and the rear seat in the direction opposite to the traveling direction. So, for example, if the father drives and the mother gets in the backseat, the infant can always look at the mother's face,
In addition, the mother can always listen to the infant and take care of the infant, so that both the infant and the rear seat occupant can feel secure.

Further, in order to solve the above-mentioned problems, a vehicle seat according to the present invention includes a seat body including a seat cushion and a seat back, and a part of a front side of the seat back is provided between a storage position and a child seat position. It is a rotating seat back part that can rotate to the front side of the vehicle,
In a state where the rotating seat back portion is rotated from the storage position to the child seat position, a child seat is provided between the rotating seat back portion and the remaining non-rotating seat back portion. It is formed with the rotation from the storage position to the child seat position,
Further, the child seat is stored between the rotary seat back portion and the remaining seat back portion in a state where the rotary seat back portion is returned to the storage position.

Also in this case, when the rotating seat back portion is rotated to the child seat position, the child seat accommodated in the seat back when the rotating seat back portion is at the retracted position is rotated by the rotation of the rotating seat back portion. In other words, since it is automatically formed between the rotating seat back portion and the remaining seat back portion, a troublesome mounting and assembling operation as in the related art is not required. Further, when the child seat is not required, if the rotating seat back portion is rotated to the storage position, it is automatically stored in the seat back, so that there is no trouble in a conventional child seat storage location. .

The child seat formed from a part of the seat back has a use form such as a chair or a bed, and has a small volume storage form such as a folding state at a storage position or a seat position. Between the back part and the remaining seat back part (corresponding to the inside of the seat back),
Or, between the stowable child seat and the seat back (corresponding to the inside of the stowable child seat), or the bottom side of the seat cushion (corresponding to the inside of the seat cushion)
With the rotation from the storage position or the seat position to the child seat position, the small volume state can be changed to a chair-like or bed-like use mode. In this case, at the storage position or the seat position, the child seat is folded, for example, and stored in each of the above-described portions. At the child seat position, the child seat is opened and becomes a chair or bed. In this manner, the so-called child seat is formed by automatically switching from the small-volume storage mode to the use mode according to the rotation of the rotating seat back portion, the stowable child seat portion, or the seat cushion or a part thereof. .

As a specific mode of the transition from the small volume storage mode to the use mode, a part of the child seat is connected to a rotatable rotatable seat back portion, a stowable child seat portion, or a seat cushion. Yes,
The small volume state such as the folding of the child seat can be released with the rotation of the rotating seat back portion, the stowable child seat portion, or the seat cushion. In the case of such a configuration, the assembling operation and the forming operation of the child seat require almost no labor.

Further, the child seat formed from a part of the seat back can also be configured to include a flexible cloth material, and the cloth material can be folded into a small volume state. That is, since the child seat such as a chair or a bed made of a cloth material is made foldable, the assembling work and the forming work of the child seat are simplified, and the chair or the bed made of the cloth material is suitable for an infant. It is comfortable and comfortable to sleep, and it is durable with almost the same strength as urethane and other resins. In addition, as a cloth material,
For example, a fabric woven with fibers such as cotton and hemp can be used.

Further, the child seat formed from a part of the seat back is preferably configured in a use form such as a chair or a bed so as to cover at least an object to be held, such as an infant or an infant, by a cloth material. . In this case, the portion of the cloth material covering the infant or the like serves as a substitute for the seat belt, so that the infant or the like can be stably held, and the infant can be protected from an impact such as a sudden brake.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to an embodiment shown in the drawings. FIG. 1 is an overall perspective view showing a vehicle seat 1 as one embodiment of the present invention. The vehicle seat 1 includes a seat body 7 including a seat cushion 2 and a seat back 3, and the seat cushion 2 and the seat back 3 are connected by a reclining device 4. Reclining lever 4 for seat back provided on reclining device 4
By operating a, the angle of the seat back 3 can be reclined in a plurality of stages.

On the other hand, the seat cushion 2 is divided into a U-shape, and a divided seat portion 5 on the vehicle front side and a remaining U-shaped portion 6 are formed.
And divided into two parts. Divided sheet part 5 and U-shaped part 6
The rotary shaft 8 is provided at the lower front end of each of the first and second portions so as to pass through the divided sheet portion 5 from the U-shaped portion 6. By operating the lever 4b for rotating the divided seat portion provided on the reclining device 4, the divided seat portion 5
Is an upright state in which the divided seat portion 5 shown in FIG. 2 is upright (child seat position) from a state (seat position) where an adult can normally sit as shown in FIG.
Between them. Note that hinge members 8a, 8a as shown in FIG.
The divided seat portion 5 may be connected to, for example, a vehicle floor by the hinge members 8a, 8a, and the divided seat portion 5 may be rotatable. In the present embodiment, the traveling direction of the vehicle is referred to as “front” and the opposite side is referred to as “rear” unless otherwise specified.

The divided sheet portion 5 rotated as described above.
In the child seat position, is pivoted and developed in the forward direction of the U-shaped portion 6, and the rotation angle (the angle at which the divided seat portion 5 is raised from the U-shaped portion 6) is set to, for example, 90 ° or more. ing. The split sheet portion 5 in the upright state
In the space between the seat back 3 and the child back, a child seat 10 for babies or infants is formed as shown in FIGS. The child seat 10 is made of a foldable cotton cloth material, and is folded and accommodated on the bottom side of the divided seat portion 5 when the divided seat portion 5 is in a normal seating state (seat position).

As shown in FIG. 5, the child seat 10 made of cloth is provided substantially parallel to the width direction of the vehicle.
The child seat 10 includes a plurality of side seats 11 and a bottom seat 12 that forms the bottom of the child seat 10.

The side sheet portion 11 has a height at one end 11a substantially equal to the height of the divided sheet portion 5.
It is connected (for example, by suturing) to the divided sheet portion 5. The side seat portion 11 is inclined toward the seat back 3 in a direction to reduce its height, and the other end portion 11 b is connected to the lower end portion of the seat back 3.
On the other hand, the bottom seat portion 12 is installed in a substantially horizontal state, and one end portion 12 a is connected to the lower end portion of the divided seat portion 5, and the other end portion 12 b is connected to the lower end portion of the seat back 3. . In such a child seat 10, an infant can be seated or laid down in a space formed between the two side seats 11, 11 and the bottom seat 12.

For example, as shown in FIG. 6 (a), a lock mechanism 13a is provided on the floor 13 of the vehicle, and the bottom seat portion 12 is fixed to a seat belt-shaped fixing member 14 with respect to the lock mechanism 13a. It is possible to fix via. Thereby, when an upward force is applied to the bottom seat portion 12, the lifting of the bottom seat portion 12 is prevented, and the child is prevented from getting motion sick, or the infant is thrown away when a strong force is applied. To prevent Also,
In order to maintain the standing state of the divided sheet part 5, a divided sheet part locking mechanism as shown in FIG. 6B can be provided, for example. This is similar to FIG.
The split seat portion 5 is fixed to the lock mechanism 13b via a seat belt-shaped fixing member 14a, and the belt-shaped fixing member 14a is pulled out from an opening 5b provided above the split seat portion 5. It is possible. The split seat portion locking mechanism may be provided with a reclining mechanism similar to that provided on the seat back 3 to fix the split seat portion 5.

On the other hand, as shown in FIG.
Can be provided with a seat belt 15 which can be taken in and out through the belt opening 5a. In this case, the infant can be stably held by the seat belt 15. It is preferable that one end of the seat belt 15 is fixedly held by a lock mechanism 16 provided on the floor of the vehicle, for example.

Hereinafter, a modified example of the child seat 10 will be described. The example shown in FIG.
a is connected to the upper end of the divided sheet portion 5 and the other end 12
b is a configuration connected to the lower end of the seat back 3 as in FIG. Thereby, the bottom seat portion 12 is configured in a curved bed shape that is gently inclined from the height of the divided seat portion 5, and the infant can lie down on the bottom seat portion 12, so that the infant is comfortable. It is a good seat and has excellent safety because the two side seats 11, 11 prevent movement to the side.

FIG. 9 shows an example in which seat belts 17, 17 are provided on the child seat shown in FIG. The two seat belts 17, 17 are attached to the child seat 1
The infant is prevented from being thrown out of the seat while covering substantially the entire opening of the zero. Here, the seat belt 17
Can be put in and taken out of the divided seat portion 5 through an opening 19 provided on the upper end side of the divided seat portion 5. For example, the end portion of the seat belt 17 is fixed to a lock mechanism 18 provided on the floor of a vehicle or the like. Can be held. Note that the lock mechanism 18 can be provided at the lower end of the seat back 3.

FIG. 10 shows an example of a seat belt 20 in which the equipped state of the seat belt 17 is modified.
The seat belt 20 pulled out from the opening 21 provided near the middle of the child seat 10 is guided into the child seat 10 from the outside of the side seat 11 through the opening 22 provided in the side seat 11. It is fixed and held by a lock mechanism 18 similar to FIG. This seat belt 20
Can stably hold the infant on the bottom seat portion 12 in a state of covering the lower portion from the middle portion of the child seat 10.

On the other hand, FIG. 11 shows the cover member 23 in the example of FIG.
This is an example in which is provided. The cover member 23 includes the side seat portion 1.
1 is provided from the vicinity of the middle of the inclined end in the direction of inclination toward the seat back 3 so as to cover the opening of the child seat 10. The cover member 23 can be installed by being connected to the side sheet portion 11 by sewing or the like, or can be formed of one sheet member continuously from the side sheet portion 11. In the case of the present embodiment, a fastener mechanism 24 is provided at an intermediate portion in the width direction and can be opened and closed freely. As shown in FIG. 12, the cover member 23 prevents the infant B from being thrown out of the child seat 10, and the cover member 23 also has an effect of keeping the infant warm. If the child seat provided with the cover member 23 is used together with the seat belt shown in FIG. 9 or FIG. 10 and the lock mechanism shown in FIG.
Infant safety is even higher.

FIG. 13 shows a structure in which a sunshade 25 is provided on the child seat 10 having the structure shown in FIG. The sunshade portion 25 is formed of one cloth-like member continuously from the side sheet portion 11, and has an opening on the divided sheet portion 5 side of the child seat 10, that is, an opening on the opposite side to the cover member 23 in the tilt direction. It is provided in a form that covers the part.
The sunshade 25 protects the infant from direct sunlight, and further enhances the effect of holding the infant in the child seat 10. In addition, the awning part 25 is a cloth-like member different from the side sheet part 11, and the side sheet part 1
1 may be configured to be detachable with a fastener or the like.
In addition, if the elastically deformable support bar 26 is provided on each peripheral edge of the sunshade 25, the shape of the sunshade 25 can be stably maintained.

14 and 15 are perspective views of the vehicle seat 1 including the child seat 40 in which the upper end of the side seat portion 11 is substantially horizontal, as viewed from the front side and the rear side. The side seat portion 11 is detachably held by an engaging portion 30 provided near a middle portion of the seat back 3 in the height direction. As shown in FIG. 16, the child seat 40 has the side seat 11
And the height is substantially horizontally extended from the divided sheet portion 5 to the engagement portion 30. Also,
The bottom seat portion 12 is configured in a curved bed shape that is gently inclined from the height of the divided seat portion 5. In this case, since the side seat portion 11 is higher than the example of FIG.
The infant can be prevented from being thrown to the side, and the effect of keeping the infant warm is enhanced.

In the example shown in FIG.
It is possible to provide a seat belt as shown in FIG. 10, a cover member as shown in FIG. 11, and a sunshade as shown in FIG. Further, as shown in FIG. 17A, a support rod 32 can be provided at an upper end of the side sheet portion 11, and the shape of the side sheet portion 11 can be stably maintained by the support rod 32. In addition to this, the standing state of the divided sheet portion 5 can be stably maintained. That is, the support bar 32 prevents the divided seat portion 5 from returning to the seat position. In addition, this support rod 32
One end is engaged and fixed to an engaging portion 33 provided on the divided seat portion 5, and the other end is detachably held by an engaging portion 30 provided on the seat back 3.

As shown in FIG. 17 (b), the support rod 32 is connected to the fixed rod 32a and the movable rod 32b by the support part 34, and the movable rod 32b is supported by the support part 34 as a fulcrum. It is rotatable in a direction substantially parallel to the front-rear direction. When the support bar 32 (particularly, the movable bar 32b) is held by the seat back 3 (the state shown in FIG. 17A), the rotation suppressing portion 36 protruding from the movable bar 32 toward the fixed bar 32a is moved. The rotation of the side seat portion 11 is kept horizontal by suppressing further upward rotation of the side seat portion 32b. Further, the fixed rod 32a is fixed by the engaging portion 33 of the divided sheet portion 5, and the movable rod 32b rotates to fix the fixed rod 32a.
When it is accommodated on the side, the support portion 34 is pivoted toward the divided sheet portion 5 with the engagement portion 33 as a fulcrum,
Can be accommodated in the support rod accommodating portion 35 provided in the first position. Note that a support rod 37 having a slide mechanism as shown in FIG. 17C can also be used. This is because the fixed rod 37 has an inner diameter larger than the outer diameter of the movable rod 37b.
The movable bar 37b is slidable and can be accommodated in a.

In the above-described embodiment, the child seat is formed by the rotation of the divided seat portion 5 obtained by dividing the part of the seat cushion 2. However, as shown in FIG. In this case, a child seat may be formed.

As shown in FIG. 19, the seat cushion 2 is divided in the thickness direction, and the upper divided seat portion 50b
Can be turned. In this case, the lower fixed seat portion 50a can be used as the bottom portion (seat portion) of the child seat. On the other hand, as shown in FIG.
(A part or all in the width direction is also possible), or only the front portion 52 can be rotated as shown in FIG. In this case, the height of the divided seat portion can be set arbitrarily, for example, it can be set as appropriate depending on the presence of an obstacle (dashboard or the like) in the vehicle, or can be set according to the infant's body type or the like. .

As shown in FIG. 24, a seat vest 70 may be provided on the bottom seat portion 12. This is a mesh-like or cloth-like wrapping-like vest which is connected to the bottom sheet portion 12 by sewing or the like. In the case of the present embodiment, the wrapping vest is sewn at the crotch portion 71, the side portion 72, and the shoulder portion 73. ing. This seat vest 70 is, for example, shown in FIG.
As shown in (b), by opening and closing the fastener 74 (button, Velcro (registered trademark), etc.) provided near the center of the shaft, it is possible to wrap the infant inside the interior, Like the seat belt, the infant can be stably held. In this case, it is possible to provide an adjuster mechanism on the seat vest 70 so that the seat vest 70 can be freely deformed to a size conforming to the infant's body shape. At the same time, it can be made replaceable. In addition, as shown in FIG.
26. In addition to the seat vest 70, the seat belt 77 which can be taken in and out of the divided seat portion 5 is wrapped around the waist of the infant and fixed, so that the infant can be held more stably. As shown in FIG. The infant can also be held by the seat belt 20 of a four-point type (three-point type is also possible) toward the foot portion.

If the airbag A is installed so as to cover the opening of the child seat, for example, as shown in FIG. The performance is further improved. In the present embodiment, the back is turned to the divided seat portion 5 side, but may be turned to the seat back 3 side. In this case, one end of the bottom seat portion 12 may be detachably connected to the vicinity of the intermediate portion of the seat back 3, and the other end may be connected to the lower end portion of the divided seat portion 5.

In this embodiment, the passenger seat is shown as a vehicle seat.
It is also possible to provide a child seat according to the invention. In the case of the rear seat, the entire seat cushion, which is almost the same as the vehicle width, can be turned, and if the entire seat cushion is in an upright state, the child seat part can be secured in a large space, and children and younger children in lower grades in addition to infants It is possible to lie down in that space.

The side sheet portion 1 made of a cloth material
1, bottom seat part 12, cover member 23, sunshade part 2
5. The seat vest 70 may be a sheet member formed by laminating two cloth materials as shown in FIG. FIG.
3 (a) shows two cloth materials 80a and 80b sewn together at the stitching portion 83 and overlapped with each other. The space formed between the two cloth materials 80a and 80b is made of, for example, vinyl. An air elastic member 82 into which air (air) is press-fitted is inserted into the sealed bag-shaped member 81 of FIG. According to such a sheet member (11, 12, 23, 25, 70),
With the elasticity of the air, it becomes a comfortable seat member for infants, and it is also excellent in the heat retention effect by air,
Further, for example, when the vehicle receives a shock, the shock can be absorbed by the elasticity of the air, so that the safety for the infant is also improved. In this case, as shown in FIG. 23B, the sheet member (11, 1
2, 23, 25, 70) can be quilted. By this quilting process, for example, even if one sealing bag-shaped member 81 is damaged, other sealing bag-shaped members 81 can function normally. Also,
In addition to air (air), feathers, especially heat-reducing fibers such as down, can be mixed into the sealed bag-shaped member 81.

Next, a second embodiment of the present invention will be described with reference to examples shown in the drawings. FIG. 27 is an overall perspective view showing a vehicle seat 101 as one embodiment of the present invention. The vehicle seat 101 includes a seat cushion 102.
And a seat body 107 including a seat back 103, and the seat cushion 102 and the seat back 103 are connected by a reclining device 104.
By operating the seat back reclining lever 104a provided on the reclining device 104,
The angle of the seat back 103 can be rotated (reclined) in a plurality of stages.

FIG. 28 is an overall perspective view of the vehicle seat 101 as viewed from the rear side. A portion of the seat back 103 is cut out in a substantially rectangular shape on the rear end side, and is divided into a substantially rectangular parallelepiped rotating seat back portion 105 and a remaining portion (remaining seat back portion 106). The rotating seat back portion 105 has a storage position stored in the remaining seat back portion 106 through a rotating means (a hinge or the like is also available) such as a rotating shaft 108 provided at the bottom thereof.
It is rotatable between the remaining seat back portion 106 and a child seat position in a divided state.

In this embodiment, as shown in FIGS. 27 and 28, the turning seat back portion 105 is moved rearward by operating the turning levers 105a and 105b provided on both sides of the seat back 103. Can rotate to the side. The rotation levers 105a and 105b are levers for releasing a mechanism for locking the rotation of the rotation seatback unit 105, that is, a mechanism for holding the rotation seatback unit 105 in the storage position. Here, the storage position is a position where the rotating seat back unit 105 and the remaining seat back unit 106 are integrated to form the seat back 103. Note that the pulling lever 1 is attached to the rotating seat back portion 105.
05c, etc., and the lock can be released by pulling the pull lever 105c forward.

When the seatback reclining lever 104a shown in FIG. 27 is operated, the seatback 103 can be reclined toward the front of the vehicle as shown in FIG. Further, when the rotating levers 105a and 105b are operated (in this embodiment, the levers are pulled up), the rotating seat back portion 105 is rotated to the rear side of the vehicle, and as shown in FIG. It becomes a parallel substantially horizontal state. The rotating seat back portion 105 is divided in the length direction into a child seat back forming portion 150 and a child seat cushion forming portion 151. The child seat back forming portion 150 is different from the child seat cushion forming portion 151 in the drawing. 3
It is rotatable between a storage position in a substantially horizontal state shown in FIG. 0 and a child seat back formation position in an upright state shown in FIG. 31 via a rotating means such as a rotating shaft 109.
In the present embodiment, the traveling direction of the vehicle is referred to as “front” and the opposite side is referred to as “rear” unless otherwise specified.

As shown in FIG. 31, the rotating seat back portion 105 rotated as described above has a child seat position in which the child seat cushion forming portion 151 is in a substantially horizontal state and the child seat back forming portion 150 is in an upright state. , The angle of the child seat back forming part 150 with respect to the child seat cushion forming part 151 (the child seat cushion forming part 151)
From the child seat back forming unit 150)
Is set to, for example, 90 ° or more. The upright child seat back forming section 150
In the space between the child seat cushion forming portion 151 and the child seat cushion forming portion 151, a child seat 110 for an infant or a baby is formed.

The rotation of the rotating seat back portion 105 can be set at a plurality of angles, and when the rotating seat back portion 105 is rotated substantially horizontally,
With the rotation of the rotating seat back portion 105, the child seat back forming portion 150 can be set upright with respect to the child seat cushion forming portion 151. That is, the rotating seat back unit 10
At the same time as the child seat 5 is rotated to the child seat position, the child seat back forming section 150 can be set up. Hereinafter, the child seat back forming unit 150 and the child seat cushion forming unit 151 may be referred to as a child seat back 150 and a child seat cushion 151, respectively.

The child seat 11 includes the child seat back 150 and the child seat cushion 15.
1, and a foldable cotton cloth material (side sheet portion) 1
When the rotating seat back portion 105 is in the normal storage position, the cloth material (side seat portion) 111 is folded and is placed between the rotating seat back portion 105 and the remaining seat back portion 106. That is, it is accommodated in the seat back 103. As shown in FIG. 32, the side seat portion 111 has a substantially square shape, and one end (lower end) 111 thereof.
a has a length substantially coincident with the child seat cushion 151, and is connected to the child seat cushion 151 (for example, by sewing). Further, the different end portion 111b has a height substantially coincident with the child seat back 150, and the engaging means 110a, 1
The child seat back 150 is detachable from the child seat back 150 by two points 10b. Note that the engagement means is not limited to two points, but may be provided at a plurality of locations to further strengthen the fixing. On the other hand, the upper end portion 111c of the side seat portion 111 is inclined toward the seatback 103 in a direction to increase its height from the end portion 111b. The side of the upper end portion 111c facing the engaging portion 110b is the rotating seat back portion 1 of the remaining seat back portion 106.
05 is removably attached to the inside of the portion in which it is housed by, for example, an engagement means 110c such as a hook. In addition, as shown in FIG. 33, it is also possible to provide a structure in which an infant is easily seated by providing undulations on the seating surface of the child seat cushion 151.

The side seat portion (cloth material) 111 releases the engagement with the child seat back 150, for example, and the child seat cushion 151 and the remaining seat back portion 1 are released.
06 while being connected to the rotating seat back 1
05 and the remaining seat back portion 106. If a predetermined space is provided between the rotating seat back portion 105 and the remaining seat back portion 106 when the rotating seat back portion 105 is at the seat position,
The cloth material 111 can be easily accommodated.

Such a child seat 110 is designed so that an infant can sit or lie down in a space formed between the child seat back 150 and the child seat cushion 151 and the two side seat portions 111, 111. ing.

FIG. 34 is a side view of the vehicle seat 101. When the seat back 103 is turned forward and the turning seat back portion 105 is turned to the child seat position, as shown in FIG. On the rear side of the seat back 103, the child seat 110 on which the infant B can sit or lie down is formed. In such a child seat 110, a fixing means 114b such as a belt connected to the seat cushion 102 is attached to the seat back 103.
Are provided via the engaging portions 114c and 114d, and the forward and backward rotation of the seat back 103 is suppressed. Further, the child seat cushion 151 is similarly provided with a fixing means 114 such as a belt for fixing the child seat cushion 151 to the vehicle floor 113, so that the rotating seat back portion 105 returns to the storage position. Deterred. The headrest 103
“a” is detachable or rotatable backward, so that, for example, the airbag does not become an obstacle when it pops out.

The child seat 110 is securely fixed to the vehicle by the fixing means in the event of, for example, a collision or sudden braking, so that the infant B can be prevented from being blown off. In addition, since the side seat portion 111 is provided, the infant B can be prevented from being thrown to the side, and the effect of keeping the child warm is enhanced.

On the other hand, the vehicle seat 101b shown in FIG.
Is a modified example of the vehicle seat 101, and differs in the configuration of the rotating seat back portion 105 and the reclining mechanism of the seat back 103. The rotating seat back portion 105 is divided in the thickness direction to form a child seat back forming portion 152 and a child seat cushion forming portion 153. Child seat back forming section 152
The child seat 220 can be rotated with respect to the child seat cushion forming part 153 via the turning means 109a. Such a child seat 220 can be made larger in size than the child seat 110. Also, the seat back 10 including the rotating seat back portion 105
3 is a shaft 115 with respect to the seat cushion 102.
, It is movable in the front-rear direction of the vehicle.
That is, the shaft 115 assembled to the seat back 103 is slidably assembled to the rail 115a provided on the seat cushion 102, and the entire seat back 103 moves back and forth.

The vehicle seat 101c shown in FIG.
The child seat back forming unit 150 and the child seat cushion forming unit 151
This is an example that is provided so as to be able to be stored in the rear part. That is, a storage member 155 having a predetermined space therein is provided behind the seat back 103, and the child seat back forming portion 15 is provided inside the storage member 155.
0 and the child seat cushion forming portion 151 are accommodated. Then, when the storage member 155 is opened, as shown in FIG.
50 and the child seat cushion forming part 151 appear, and the child seat 230 is formed by the same mechanism as the vehicle seat 101 described above.

Next, the third embodiment of the vehicle seat according to the present invention will be described.
An example will be described. In the vehicle seat 101d shown in FIG. 37, the seat cushion 102 is divided into a U-shape, and is divided into a split seat portion 500 on the vehicle front side and a remaining U-shaped portion 106b. Divided sheet section 500
A rotary shaft 800 is provided at the lower front end of the U-shaped portion 106b so as to penetrate the divided sheet portion 500 from the U-shaped portion 106b. Then, by operating the split seat portion rotating lever 104b provided on the reclining device 104, the split seat portion 500 can be normally seated by the adult as shown in FIG. From the seat position), it is possible to rotate between the upright state (child seat position) in which the divided seat portion 500 shown in FIG. 38 is upright.

The divided sheet portion 50 rotated as described above.
0 is the U-shaped portion 10 in the child seat position.
6b, is pivoted and unfolded in the forward direction, and the rotation angle (the U-shaped part 10
6b is an angle at which the divided sheet portion 500 is raised, for example, 90
° is set to be more than. In the space between the divided seat portion 500 and the seat back 103 in the upright state, the child seat 100 for babies or infants is provided.
Is formed. The child seat 100 is made of a foldable cotton cloth material,
Is in the normal seating state (seat position), it is folded and accommodated on the bottom side of the divided seat portion 500.

The child seat 100 made of cloth material is shown in FIG.
As shown in FIG. 2, the vehicle has two side seat portions 111, 111 provided in parallel with each other in the width direction of the vehicle and a bottom seat portion 112 forming the bottom of the child seat 100. The side sheet portion 111 has a substantially triangular shape, one end of which has a height substantially equal to the height of the divided sheet portion 500, and is connected to the divided sheet portion 500 (for example, by sewing). Further, the side seat portion 111 is inclined toward the seat back 103 in a direction to reduce its height, and the other end portion 111i is connected to a lower end portion of the seat back 103. On the other hand, the bottom seat portion 112 is installed in a substantially horizontal state, one end portion 112h is connected to the lower end portion of the divided seat portion 500, and the other end portion 112i is connected to the lower end portion of the seat back 103. . Such a child seat 100 includes two side seat portions 1.
The infant can be seated or laid down in a space formed between the bottom seat 11, and the seat 111.

On the other hand, at the rear side of the vehicle seat 101d, as shown in FIG. 40, a turning seat back portion 105 similar to the vehicle seat 101 is provided. When rotated to the position, the child seat 110 is formed. Since the child seat 110 is formed without moving the seat back 103 forward, the child seat 110 has a slightly smaller size, and is suitable for an infant with a small physique.

The vehicle seat 101d is shown in FIG.
As shown in FIG. 1, a child seat can be formed before and after the seat 101d, and FIG. 41 (b) shows that a large-sized infant B is placed on the front child seat 100.
An example is shown in which an infant b having a small physique is placed on the rear child seat 110 with the child seat back 150 as a backrest. FIG. 42 (a) shows an example in which the seat back 103 is erected almost vertically in the vehicle seat 101d. In this case, the infant B having a large physique or the infant b having a small physique is seated backward. Can be. FIG. 2B shows the side seat portion 111 of the child seat 100 formed in a substantially rectangular shape similarly to the child seat 110, and an end portion of the side seat portion 111 on the seat back side is provided on a side portion of the seat back 103. Can be engaged with the provided engaging portion 110f. Further, if the seat back 103 is slightly reclined forward, the seat back 103 can be used as a backrest portion of the child seat 110, and the infant B having a relatively large physique can be put to sleep.

For example, as shown in FIG. 43, a lock mechanism 113a is provided on the floor 113 of the vehicle, and the child seat cushions 151 and 153, the divided seat portion 500 and the like are attached to the lock mechanism 113a in the form of a seat belt. It is possible to fix via a fixing member 114. Thereby, each sheet member 151, 153, 5
When an upward force is applied to 00, the seat is prevented from being lifted, and the child is prevented from getting motion sick, or when a strong force is applied, the infant is prevented from being thrown away. The belt-shaped fixing member 114 can be pulled out from an opening 240 provided in each of the sheet members 151, 153, and 500, as shown in FIG.

On the other hand, as shown in FIG. 43 (c), the divided seat portion 500 can be provided with a seat belt 250 which can be put in and taken out through the belt opening 250a. Can be held. In addition, this seat belt 250
For example, one end of the seat belt 250 is preferably fixedly held by a lock mechanism 260 provided on the floor of the vehicle.

Hereinafter, a modified example of the child seat 110 shown in FIG. 31 will be described. The example shown in FIG. 44 is an example in which a bottom seat portion 112 forming the bottom of the child seat 110 is formed. One end 112a of the bottom seat portion 112 is connected to the remaining seat back portion 106 by connecting means such as sewing or a fastener. The end is also connected to the lower end of the child seat back 150. As a result, the bottom of the child seat 110 is
It is configured as a bed with a curved surface that is gently inclined from the end 112a on the sixth side, and the infant can lie down on the bottom seat 112. In this case, the seat is comfortable for the infant and the two side seat portions 11 are provided.
Since 1,111 protects the vehicle from moving laterally, it also has excellent safety.

FIG. 45 shows an example in which a seat belt 117 is provided on the child seat 110 shown in FIG. The seat belt 117 is opened through an opening 117a provided on the upper end side of the remaining seat back portion 106.
6. The end of the seat belt 117 can be fixedly held by a lock mechanism 117b provided in the child seat back 150, for example.
Such a seat belt 117 prevents the infant from being thrown out of the child seat 110.

On the other hand, FIG. 46 shows a cover member 1 in the example of FIG.
23 is provided. The cover member 123 is provided so as to cover the opening of the child seat 110 from near the middle of the upper end of the side seat portion 111 toward the child seat back 150. The cover member 123 can be installed by being connected to the side sheet portion 111 by sewing or the like, or can be formed of one sheet member continuously from the side sheet portion 111. In the case of the present embodiment, a fastener mechanism 124 is provided at an intermediate portion in the width direction of the cover member 123 and can be freely opened and closed. With this cover member 123, the infant can be placed in the child seat 11.
The cover member 123 is also prevented from being thrown out from zero, and has an effect of keeping the infant warm.
In addition, if the child seat provided with the cover member 123 is used together with the seat belt 117 shown in FIG. 45, the safety for infants is further enhanced.

FIG. 47 shows a structure in which a sunshade 125 is provided on the child seat 110 having the structure shown in FIG. The awning portion 125 is formed of one cloth-like member continuously from the side seat portion 111, and the opening of the child seat 110 on the side of the remaining seat back portion 106, that is, the opening on the side opposite to the cover member 123 is formed. It is provided in the form of covering. The sunshade 125 protects the infant from direct sunlight and also protects the infant from the child seat 1
The effect of holding in 10 is further enhanced. The awning 125 may be a cloth member different from the side sheet portion 111, and may be configured to be detachable from the side sheet portion 111 by a fastener or the like. Further, if a support bar 126 that can be elastically deformed is provided at each peripheral edge of the sunshade 125, the sunshade 12
5 can be kept stable.

Further, as shown in FIG. 48, a seat vest 170 may be provided on the bottom seat portion 112. In this embodiment, a mesh-like or cloth-like wrapping vest is connected to the bottom sheet portion 112 by sewing or the like. In the case of the present embodiment, the crotch portion 171, the side portion 172, and the shoulder portion 173 are provided.
Is sutured. This seat vest 170
For example, as shown in FIG. 48 (b), by opening and closing a fastener 174 (button, Velcro, etc.) provided near the center of the shaft, an infant can be wrapped inside the seat. As with the belt, the infant can be stably held. In this case, the seat vest 170
It is also possible to provide an adjuster mechanism at the bottom to make it freely deformable to the size of the infant's body, and to be detachably connected to the bottom seat portion 112 so that it can be replaced according to the infant's body. You can also. As shown in FIG. 49, in addition to the seat vest 170, the remaining seat back portion 1
The infant can be held more stably by wrapping and fixing the seat belt 177 which can be taken in and out from the vicinity of the waist of the infant.

FIG. 50 shows a child seat back 150.
The child seat cushion 1 of the child seat back 150 so that an infant or the like can pass a foot through the child seat cushion 1
This is an example in which a notch 150c is provided at the end on the 51 side. The notch portion 150c is formed by cutting out two corners of the substantially square child seat back 150 on the side of the child seat cushion 151 in a substantially fan shape. In this case, the remaining portion without being notched is the child seat cushion 15.
Connected to 1. In addition, child seat back 1
50, the child seat back 15
It is preferable to provide an elastic member, such as an air mat, in which air is mixed in a portion where the infant 0 contacts the child in order to protect the infant. If the above-described bottom seat portion 112, seat belt 117, cover member 123, sunshade portion 125, seat vest 170, seat belt 177, and the like are used in combination with the child seat provided with such a notch portion 150 for inserting a foot, it is possible for an infant. It improves sitting comfort and sleeping comfort, as well as safety.

Further, as shown in FIG. 51 (a), a support bar 132 can be provided at the upper end of the side seat portion 111 for child seats of various forms as described above. The rod 132 can stably maintain the shape of the side seat portion 111, and also can stably maintain the upright state of the child seat back 150. That is, it is possible to prevent the child seat back 150 from returning to the stowed state by the support bar 132. One end of the support rod 132 is provided on the engagement portion 110c provided on the remaining seat back portion 106.
, And the other end is detachably held by an engaging portion 110 b provided on the seat back 103.

As shown in FIG. 51 (b), the support rod 132 is composed of a fixed rod 132a and a movable rod 132b.
The movable rod 132b is supported by the
Is pivotable in a direction substantially parallel to the front-rear direction of the vehicle. This support bar 132 (especially the movable bar 132b)
Is held by the seat back 103 (FIG. 51A).
State), the rotation suppressing portion 136 protruding from the movable bar 132 toward the fixed bar 132a suppresses the further upward rotation of the movable bar 132b, and holds the side seat portion 111 in a horizontal state. I have. Further, the fixing bar 132a is fixed by the engaging portion 110c of the remaining seat back portion 106,
When the movable bar 132b rotates and is housed on the fixed bar 132a side, the support unit 134 is rotated toward the remaining seat back unit 106 side with the engagement unit 110c as an axis, and provided on the remaining seat back unit 106, for example. It can be accommodated in the support rod accommodation section 135 provided. Note that a support rod 137 provided with a slide mechanism as shown in FIG. 51 (c) can also be used. This is such that the movable rod 137b can be slid and accommodated in a fixed rod 137a having an inner diameter larger than the outer diameter of the movable rod 137b.

The side sheet portion 1 made of a cloth material
11, the bottom sheet portion 112, the cover member 123, and the sunshade portion 125 may be sheet members formed by laminating two cloth materials as shown in FIG. FIG. 52 (a)
The two cloth materials 180a and 180b are sewn and overlapped at the stitching portion 183, and a space formed between the two cloth materials 180a and 180b has a sealed bag-like member 81 made of, for example, vinyl. An air elastic member 182 into which air (air) is press-fitted is inserted. According to such a sheet member (111, 112, 123, 125), it becomes a comfortable seat member for infants due to the elasticity of the air, and is excellent in the heat retaining effect of the air. When this happens, the impact can be absorbed by the elasticity of the air, so that the safety for infants is also improved. In this case, FIG.
As shown in FIG.
1, 112, 123, and 125) can be subjected to a quilting process. By this quilting process, for example, even if one sealing bag-shaped member 181 is broken, other sealing bag-shaped members 181 can function normally. In addition, feathers, especially heat-reducing fibers such as down, can be mixed into the sealed bag-like member 181 in addition to air (air).

Various forms of child sea as described above
Vehicle seats that can form
An embodiment in this case is schematically shown in FIG. This is vehicle 30
0 is a perspective view of the driver F in the driver's seat 301 when viewed from above.
The user is sitting and operating the handle 305. On the passenger seat 302
Uses the vehicle seat of the present invention,
Receiving the hook 302a toward the front of the vehicle,
The child seat 110 behind the backbag 302a.
The child seat 110 is formed and the child seat 110 is formed. ₃The back
I put it in the direction. On the other hand, the rear seat 303
The mother (infant administrator) M is on the passenger side and the passenger seat
Infant B in rear child seat 110₃Take care of
You can see. Also, the side of mother M, that is, the rear
In the middle part of the seat 303 and the rear part of the driver's seat,
A part of the seat cushion is raised in front of the vehicle and
The child seat 100 is formed and the infant B₁, B₂Is backward
I'm on board. Mother M, this infant B₁, B₂Face
It is also possible to look upside down, in this case three infants
You can take care of it by putting it on the field seat. The figure
One vehicle seat as shown in FIG.
For example, adopt a seat that can form a
In the event that four children are in a child seat,
Can be.

Next, a fourth embodiment of the present invention will be described with reference to examples shown in the drawings. FIG. 54 is an overall perspective view showing a vehicle seat 401 as one embodiment of the present invention. The vehicle seat 401 includes a seat cushion 402.
And a seat body 407 including a seat back 403, and the seat cushion 402 and the seat back 403 are connected by a reclining device (not shown). The seat back 403 is divided into two parts in the thickness direction (the front-rear direction of the vehicle) and includes a front seat back part 411 and a rear seat back part 410. In this case, the front seat back portion 411 is a rotating seat back portion, and the rear seat back portion 410 is a remaining portion (remaining seat back portion).

The rotating seat back portion 411 is stored in the remaining seat back portion 410 via a rotating means (a hinge or the like (not shown)) such as a rotating shaft provided at the bottom thereof. Storage position (FIG. 54) and remaining seat back 4
The child seat position in a state where the child seat is divided from FIG.
5). In this case,
The storage position means that the rotating seat back portion 411 and the remaining seat back portion 410 are united and the rotating seat back portion 411
The vehicle seat 401 is a position where
Is a position that can be used as a normal seat.

In this embodiment, as shown in FIG. 55, the rotating seat back portion 411 can be rotated to the front side of the vehicle by operating a predetermined rotating lever or the like (not shown). At the position where the rotating seat back portion 411 is rotated forward, that is, at the child seat position, the rotating seat back portion 411 and the seat cushion portion 402 overlap and are substantially integrated, and the rotating seat back portion 411 and the remaining A child seat 400 is formed between the child seat 400 and the seat back portion 410. This child seat 400
Sheet-shaped side seats 414 and 415 that straddle the upper end (upper end in the storage position) of the rotating seat back 411 and the upper end of the remaining seat back 410, and the rotating seat back 411 , And a child seat back portion 410a formed by a front portion of the remaining seat back portion 410. In the present embodiment, the fixed belt 412 provided on the seat cushion 402 is attached to the rotating seat back 41.
By fixing with the fixing means 413 such as a lock mechanism provided in 1, the rotating seat back portion 411 can be securely fixed.

The side seat portions 414 and 415 are made of a foldable cotton cloth or the like, and are folded when the rotating seat back portion 411 is in a normal seating state (seat position). The back side of the rotating seat back portion 411,
That is, it is accommodated between the rotating seat back portion 411 and the remaining seat back portion 410. The side seat portions 414 and 415 are provided in parallel with each other in the width direction of the vehicle. Such a child seat 4
00 is a space formed between the two side seat portions 414 and 415, the back side 411 a of the rotating seat back portion 411, and the front side 410 a of the remaining seat back portion 410.
It is said that the infant can sit down or lie down. In addition, the back side 411 of the rotating seat back portion 411
As for a, it is also possible to provide undulations as shown in FIG. 33 or to impart cushioning properties in order to improve the sitting comfort of the infant.

On the other hand, as shown in FIG. 56, the rotating seat back portion 411 extends from the upper end of the remaining seat back portion 410.
A curved bottom sheet portion 421 may be provided on the bottom side straddling the front end portion (the upper end portion in the accommodation position). The bottom seat portion 421 is a hammock-shaped seat member, and in this case, the infant can be laid down in a comfortable state. In the embodiment shown in FIGS. 55 and 56, it is possible to restrain (hold) the infant on the child seat 400 by using, for example, a seat belt provided on the vehicle seat. 1
It is also possible to adopt a configuration in which the infant is safely held by using infant holding means such as the seat belts 17 and 20 shown in FIG.

As shown in FIG. 57, by providing infant restraining means (infant holding means) 422 straddling both upper ends of the side seat portions 414 and 415, the infant can be restrained (held) more safely. Is possible. The infant restraining means 422 is a cloth-like member that curves from the upper end of the side seat portions 414 and 415 to the bottom seat portion 421,
At predetermined positions of the cloth-like member, insertion holes 423 and 424 into which the feet of an infant can be inserted are provided. The restraining means (cloth-like member) 422 is coupled (fixed) to the side sheet portions 414 and 415 and the bottom sheet portion 421 on three sides by coupling means (fixing means) such as sewing. I have. Note that, in this case as well, the infant can be restrained (held) by the child seat 400 using, for example, a seat belt provided on the vehicle seat.
Alternatively, it is also possible to adopt a configuration in which the infant is safely held by using infant holding means such as the seat belts 17 and 20 shown in FIG. 10 which hold at least a part of the torso of the infant.

On the other hand, as shown in FIG. 58, a cover member 432 for covering the space formed by the side seat portions 414 and 415, the rotating seat back portion 411, and the remaining seat back portion 410 is provided. be able to.
The cover member 432 is provided so as to straddle both upper end portions of the side seat portions 414 and 415 and to cover substantially half of the opening portion of the child seat 400. The cover member 432 may be connected (fixed) to the side seat portions 414 and 415 by sewing or the like, or may be installed.
It can be formed from one sheet member continuously from 4,415. In the case of this embodiment, a mesh member 431 is provided behind (upper of) the cover member 432 and is continuous with the cover member 432, and covers the opening of the child seat 400. Further, a fastener mechanism 433 is provided on one side of the cover member 432 and the mesh member 431, and can be connected to the side sheet member 414. The cover member 432 prevents the infant from being thrown out of the child seat 400, and the cover member 432 also has an effect of keeping the infant warm, while the mesh member 431 is a member for improving air permeability. Functioning as

Further, as shown in FIG. 59, a seat vest 440 can be provided on the bottom seat portion 421.
This is a mesh-like or cloth-like wrapping-like vest,
It is connected to the bottom seat part 112 by sewing or the like,
This is similar to FIG. This seat vest 440
The seat vest 440 is, for example, similar to FIG.
By opening and closing the zipper (buttons, velcro, etc.) provided near the center of the shaft, the baby can be wrapped inside, and the baby can be stably held like a seat belt. it can.

The side sheet members 414, 415
Can be composed of an elastic member. In that case, using the extension of the side sheet members 414 and 415,
In the child seat position where the side seat members 414 and 415 are in a stable state (a steady state in which the side seat members 415 and 415 are not expanded and contracted), the seat back 410 is further inclined (reclined) at a free angle (for example, backward by a predetermined angle).
It is possible. In this case, the reclining angle can be arbitrarily set according to the preference of the infant, and the rotation from the child seat position to the storage position becomes smoother, and the formation of the child seat becomes easier. When the fastener 433 is provided as shown in FIG. 58, the cover member 432 and the mesh member 431 are made of an elastic member (elastic fiber), and the fastener 433 is connected to the rotating seat back portion 411 and / or the remaining portion. Instead of being directly connected to the seat back 410, the rotating seat back 411 and / or the remaining seat back 4
It is sufficient that a predetermined distance is provided from 10 and an elastic member is interposed therebetween. In this case, the elastic side sheet members 414 and 415, the cover member 432, and the mesh member 43
According to 1, it is possible to rotate the remaining seat back portion 410 to a desired angle.

FIG. 53 schematically shows an embodiment in which the vehicle seat is mounted on an actual vehicle. However, the three rear seats 303 (see FIG. 53) are horizontally long as shown in FIG. It is also possible to form a horizontally long child seat by rotating the divided seat cushion portion or the rotating seat back portion from the seat cushion or seat back of the horizontally long rear seat 303a. In this case, it is possible to Nekoroba sideways state even for large infants B ₄ physique. Such a child seat in the rear seat is formed by detaching and removing the side seat member of each vehicle seat (seat for each train) also in the three rear seats 303 (see FIG. 53). It is possible to form a transverse child seat that is two or three seats long.
In the case of forming a sideways child seat, by providing the side protection means 320 and the like, it is possible to further secure safety against a side impact. A back and the like can be exemplified.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a vehicle seat as a first embodiment of the present invention.

FIG. 2 is an overall perspective view of the vehicle seat showing a state where a divided seat portion is rotated.

FIG. 3 is an overall perspective view of a vehicle seat showing an installation example of a hinge member for allowing a divided seat portion to be rotatable.

FIG. 4 is an overall perspective view of the vehicle seat of FIG. 2 as viewed from the rear side.

FIG. 5 is a perspective view showing an example of forming a child seat.

FIG. 6 is a perspective view showing an example of a lock mechanism for locking a bottom seat portion and a divided seat portion to a vehicle floor.

FIG. 7 is a perspective view showing an example in which a seat belt is provided in a divided seat portion.

FIG. 8 is a perspective view showing a modified example of the child seat of the first embodiment.

FIG. 9 is a perspective view showing an example in which a seat belt is provided as a modification of the child seat of the first embodiment.

FIG. 10 is a perspective view showing another example in which a seat belt is provided as a modified example of the child seat of the first embodiment.

FIG. 11 is a perspective view showing an example in which a cover member is provided as a modification of the child seat of the first embodiment.

FIG. 12 is a perspective view showing an example of a state where an infant is seated on the child seat of FIG. 11;

FIG. 13 is a perspective view showing an example in which a sunshade is provided as a modification of the child seat of the first embodiment.

FIG. 14 is an overall perspective view showing a modification of the vehicle seat of FIG. 2;

15 is an overall perspective view of the vehicle seat of FIG. 14 as viewed from the back side.

FIG. 16 is a perspective view showing an example of forming a child seat formed on the vehicle seat shown in FIG. 14;

FIG. 17 is a perspective view showing a modification of the child seat of FIG. 16 and a main part thereof.

18 is an overall perspective view showing a modification of the vehicle seat of FIG.

FIG. 19 is a diagram schematically illustrating a rotation mode of the divided sheet unit.

FIG. 20 is a view showing a modified example of the rotation mode of the divided sheet unit.

FIG. 21 is a diagram showing a modified example of the manner of rotation of the divided sheet portion.

FIG. 22 is a view for explaining effects when the vehicle seat of the present invention is used.

FIG. 23 is a schematic sectional view showing an example of a case where air (air) is press-fitted into a sheet member.

FIG. 24 is a perspective view showing an example in which a seat vest is provided as a modification of the child seat of the first embodiment.

FIG. 25 is a perspective view showing an example in which a seat belt is provided on the child seat of FIG. 24.

26 is a perspective view showing an example in which a seat belt is provided on the child seat of FIG. 24.

FIG. 27 is an overall perspective view showing a vehicle seat as a second embodiment of the present invention.

28 is an overall perspective view of the vehicle seat of FIG. 27 as viewed from the rear side.

FIG. 29 is a view showing a mode in which a turning seat back portion is turned in the vehicle seat of FIG. 27;

30 is a view showing a state in which the turning seat back portion is turned rearward in the vehicle seat of FIG. 27;

FIG. 31 is a diagram showing a state in which a child seat is formed in the vehicle seat of FIG. 27;

FIG. 32 is a view for explaining main parts of the child seat.

FIG. 33 is a view showing an example in which undulations are provided in a cushion portion of a child seat.

FIG. 34 is a side view for explaining a child seat forming mechanism in the vehicle seat of FIG. 27;

FIG. 35 is a side view for explaining a child seat forming mechanism as a modification of the vehicle seat according to the second embodiment.

FIG. 36 is a side view for explaining a child seat forming mechanism as a modification of the vehicle seat according to the second embodiment.

FIG. 37 is an overall perspective view showing a third embodiment of the vehicle seat of the second embodiment.

38 is an overall perspective view showing an example in which a child seat is formed from the seat cushion side in the vehicle seat of FIG. 37;

FIG. 39 is an exemplary view for explaining main parts of the child seat of FIG. 38;

40 is a rear perspective view showing an example in which the child seat is formed also from the seat back side in addition to the seat cushion side in the vehicle seat of FIG. 37.

FIG. 41 is a side view for explaining a child seat forming mechanism in the vehicle seat of FIG. 37;

FIG. 42 is a side view for explaining a child seat forming mechanism in the vehicle seat of FIG. 37;

FIG. 43 is a diagram showing an example of a mechanism for locking a child seat to a vehicle floor, and a formation example of a seat belt formed on the child seat.

FIG. 44 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment.

FIG. 45 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment.

FIG. 46 is a view showing a modification of the child seat formed on the vehicle seat of the second embodiment.

FIG. 47 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment.

FIG. 48 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment.

FIG. 49 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment.

FIG. 50 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment.

FIG. 51 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment, and an enlarged view of a main part thereof.

FIG. 52 is a schematic cross-sectional view showing an example when air (air) is press-fitted into each sheet member.

FIG. 53 is a perspective view schematically showing an embodiment in which the vehicle seat of the second embodiment is mounted on a vehicle.

FIG. 54 is an overall perspective view showing a vehicle seat according to a fourth embodiment of the present invention.

FIG. 55 is an overall perspective view showing the vehicle seat in a state where the turning seat back portion of FIG. 54 is turned.

FIG. 56 is a view showing a modification of the child seat formed on the vehicle seat according to the fourth embodiment.

FIG. 57 is a view showing a modification of the child seat formed on the vehicle seat according to the fourth embodiment.

FIG. 58 is a view showing a modification of the child seat formed on the vehicle seat according to the fourth embodiment.

FIG. 59 is a view showing a modification of the child seat formed on the vehicle seat of the fourth embodiment.

FIG. 60 is a perspective view schematically showing an embodiment in which the vehicle seat of this embodiment is mounted on a vehicle.

[Explanation of symbols]

1, 101, 101b, 101c, 101d Vehicle seat 2, 102 Seat cushion 3, 103 Seat back 5, 105 Divided seat part 7, 107 Seat body 10, 40, 60, 100, 120, 130 Child seat 111 Side seat part 112 Bottom side seat part 123 Cover member 125 Sunshade part 150 Child seat back forming part 151 Child seat cushion forming part

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B60N 2/30 B60N 2/30

Claims (18)

[Claims] 1. A vehicle seat including a seat body including a seat cushion and a seat back, wherein a part or the whole of the seat cushion is rotatable with respect to the seat back between a seat position and a child seat position, In a state where the seat cushion is rotated from the seat position to the child seat position, a child seat is formed between the seat cushion and the seat back with the rotation of the seat cushion from the seat position to the child seat position, and The vehicle seat is characterized in that the child seat is housed on the bottom side of the seat cushion when the seat cushion is returned to the seat position. 2. The child seat has a use form such as a chair or a bed and is stored in a small volume storage form such as a fold at the seat position and is accommodated on the bottom side of the seat cushion. The vehicle seat according to claim 1, wherein the vehicle seat changes from a small volume state to a chair-like state or a bed-like use state with the rotation from the position to the child seat position. 3. A part of the child seat is connected to the rotatable seat cushion or a part thereof, and a small volume state such as folding of the child seat is caused by the rotation of the seat cushion or a part thereof. The vehicle seat according to claim 2, which is opened. 4. The child seat according to claim 2, wherein the child seat is configured to include a flexible cloth material, and the cloth material can be folded into a small volume state. Vehicle seat. 5. The vehicle seat according to claim 4, wherein the child seat is configured so as to cover at least an object to be held, such as an infant or a baby, by a portion of the cloth material, and to be in a use shape such as a chair shape or a bed shape. 6. The vehicle seat according to claim 1, wherein a backrest portion is formed on the side of the seat cushion in the upright state at the child seat position. 7. A vehicle seat including a seat body composed of a seat cushion and a seat back, wherein a part of the seat back is a rotating seat back portion that is rotatable between a storage position and a child seat position. In a state where the rotating seat back portion is rotated from the storage position to the child seat position, a child seat is provided between the rotating seat back portion and the remaining non-rotating seat back portion. It is formed with the rotation from the storage position to the child seat position,
In addition, the child seat is accommodated between the pivot seat back and the remaining seat back in a state where the pivot seat back is returned to the storage position. 8. A vehicle seat comprising a seat body comprising a seat cushion and a seat back, wherein a part of a rear end side of the seat back is rotatable rearward of the vehicle between a storage position and a child seat position. In a state where the rotating seat back portion is rotated from the storage position to the child seat position, a child seat is provided between the rotating seat back portion and the non-rotating remaining seat back portion. Formed with the rotation of the rotating seat back from the storage position to the child seat position,
In addition, the child seat is accommodated between the pivot seat back and the remaining seat back in a state where the pivot seat back is returned to the storage position. 9. A vehicle seat including a seat body including a seat cushion and a seat back, wherein a rear end portion of the seat back is rotatable rearward between the storage position and the child seat position. The child seat is disposed between the retractable child seat and the seat back in a state where the retractable child seat is rotated from the storage position to the child seat position, and the storage of the retractable child seat is performed. The child seat is formed between the retractable child seat portion and the seat back in a state where the retractable child seat portion is returned to the storage position when the child seat portion is returned to the storage position. Vehicle characterized by that Sheet. 10. A vehicle seat including a seat body including a seat cushion and a seat back, wherein a part of a back side of the seat back is rotatable rearward of the vehicle between a storage position and a child seat position. In a state where the rotating seat back portion is rotated from the storage position to the child seat position, the child seat is located between the rotating seat back portion and the remaining non-rotating seat back portion. Formed with the rotation of the rotating seat back from the storage position to the child seat position,
In addition, the child seat is accommodated between the pivot seat back and the remaining seat back in a state where the pivot seat back is returned to the storage position. 11. A part or the whole of the seat cushion is rotatable with respect to the seat back between a seat position and a child seat position, and the seat cushion is rotated from the seat position to the child seat position. In this state, a child seat is formed between the seat cushion and the seat back with the rotation of the seat cushion from the seat position to the child seat position, and the child seat returns the seat cushion to the seat position. The vehicle seat according to any one of claims 7 to 10, wherein the vehicle seat is accommodated on a bottom surface side of the seat cushion in a folded state. 12. The child seat cushion forming section and the child seat cushion forming section, wherein the rotating seat back section or the retractable child seat section has a child seat cushion forming section and a child seat back forming section. It is rotatably mounted between the storage position and the child seat back forming position,
12. The child seat is formed by setting the child seat back forming portion to a child seat back forming position in a state where the pivotable seat back portion or the retractable child seat portion is turned to a child seat position. A vehicle seat according to any one of the claims. 13. The seat back is rotatable in a plurality of stages by a reclining mechanism, and is rotated in a forward direction of the vehicle when the rotary seat back portion or the retractable child seat portion is at a child seat position. 13. The vehicle seat according to claim 12, wherein a backrest portion of the child seat is formed on the rotated seatback side. 14. A vehicle seat comprising a seat body comprising a seat cushion and a seat back, wherein a part of the front side of the seat back is rotatable forward of the vehicle between a storage position and a child seat position. In a state where the rotating seat back portion is rotated from the storage position to the child seat position, the child seat is located between the rotating seat back portion and the remaining non-rotating seat back portion. Formed with the rotation of the rotating seat back from the storage position to the child seat position,
In addition, the child seat is accommodated between the pivot seat back and the remaining seat back in a state where the pivot seat back is returned to the storage position. 15. The child seat has a use form such as a chair shape or a bed shape, and in the storage position or the seat position, the child seat is in a small volume storage form such as a folded state, and is provided with the rotating seat back portion and the remaining space. Between the seat back portion, or between the stowable child seat portion and the seat back, or housed on the bottom side of the seat cushion,
The vehicle seat according to any one of claims 7 to 14, wherein the small volume state changes to a use state such as a chair-like or bed-like state as the child turns from the storage position or the seat position to the child seat position. 16. A part of the child seat is connected to the pivotable seat back, the retractable child seat, or the seat cushion, and the pivot seat back or the retractable child seat,
16. The vehicle seat according to claim 15, wherein a small volume state such as folding of the child seat is released with the rotation of the seat cushion. 17. The child seat according to claim 15, wherein the child seat is configured to include a flexible cloth material, and the child cloth sheet can be folded into a small volume state. Vehicle seat. 18. The vehicle seat according to claim 17, wherein the child seat is configured so as to cover at least an object to be held, such as a baby or an infant, by a portion of the cloth material, and is configured in a use shape such as a chair shape or a bed shape.