WO2001005618A1 - Seat for vehicle - Google Patents

Abstract

A seat for vehicle (1) capable of easily forming a child seat surely protecting a child to increase safety and providing sitting comfortableness and ease to the child, comprising a seat main body (7) formed of a seat cushion (2) and a seat back (3), wherein the seat cushion (2) is divided, in channel shape, into a divided seat part (5) forward of a vehicle and a remaining channel-shaped part (6), the divided seat part (5) is rotatable about a rotating shaft (8) between such a state that an adult can sit on usually (seat position) and such a state that the divided seat part (5) is erected (child seat position), the child seat (10) is formed in a space between the divided seat part (5) in erected state and the seat back (3) according to the rotation of the divided seat part (5), and the child seat (10) is formed of foldable cloth material and, when the divided seat part (5) is in the state of being stored, folded and stored on the bottom surface of the divided seat part (5).

Description

 Vehicle seat

Technical field

The present invention relates to a vehicle seat _(see

Background art

 Rice field

 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 becomes the sub-seat cushion, and the original space of the split front half becomes the foot space for the infant. I have. Also, the upper edge of the seat back is divided into a U-shape to be rotatable in the horizontal direction, and the edge is rotated to provide an armrest for an infant. 1 5 6 8 3 6

DISCLOSURE OF THE INVENTION However, commercially available child seats do not have a place to store when not in use, so they are in the way, and because they are placed on a highly elastic seat cushion and supported, they provide a sense of stability. Insufficient safety, such as infants being thrown away in an emergency due to the instability, and insufficient safety cannot be ensured. Disabled There is a case. Also, in the latter configuration in which the vehicle seat is deformed, the deformation operation is complicated, and it is never satisfactory in consideration of the safety and sitting comfort of the infant. In addition, the infant's sitting posture is always limited to the direction of travel of the vehicle, that is, the forward-facing posture, and the infant may start to cry because the parent's face (driver) cannot be seen. It is an object of the present invention to provide a vehicle seat capable of reliably forming a child seat that can reliably protect an infant, improve safety, and provide a comfortable seat and a sense of security for the infant. It is in.

 In order to solve the above 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,

In a state in which the seat cushion is turned from the seat position to the child seat position, a child seat is provided between the seat cushion and the seatback with the turning of the seat cushion from the seat position to the child seat position. is formed, and the child seat, in a state where the back of the seat cushion to the seat position, the accommodated on the bottom side of the seat cushion is that wherein the _(vehicle seat with such a configuration, the seat cushion When the child seat is turned to the child seat position, the child seat accommodated on the bottom side of the seat cushion is automatically formed with the rotation of the seat cushion when the seat is in the seat position. No complicated installation work is required. Unlike a child seat, it is not necessary to store it separately when it is not needed, and it is possible to immediately form a seat at the bottom of the seat cushion at any time.c Also, the lower the position in the vehicle, the lower the position Although it is considered safe, the vehicle seat of the present invention has a configuration in which a seat is formed between the seat cushion and the seat back in a state where the seat cushion is erected, for example, as a seat seat position. In this case, the infant can sit or lie down at a position lower than the seat cushion position, and the configuration is more secure for the infant.

 The above-mentioned child seat has a use form such as a chair or a bed, and in a seat position, it is stored in a small volume storage form such as a folded state on the bottom side of the seat cushion, and is moved from the seat position to the child seat position. With the rotation, it can be changed from a small volume state to a use state such as a chair or a bed. In this case, at the above-mentioned seat position, the child seat is folded and accommodated on the bottom side of the seat cushion, for example, and at the above-mentioned child seat position, the child seat is opened to become 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, and a child seat is formed.

 As a specific mode of the transition from the small volume accommodation mode to the use mode, a part of the above-mentioned seat is connected to a rotatable seat cushion or a part thereof, and the seat cushion or a part thereof is turned. With the movement, the small volume state such as folding of the seat sheet can be released. In the case of such a configuration, the assembling work and the forming work of the child seat require almost no labor.

 The child seat is configured to include a flexible cloth material, and the child 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, assembling work and forming work are simplified as described above, and the chair of the cloth material is used. In addition, beds are comfortable and comfortable for infants to sleep, and they are almost as strong and durable 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.

It is preferable that the above-mentioned shield seat is configured to be 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, such as an infant or an infant, is covered by a cloth material portion. this In this case, the portion of the cloth material covering the infant replaces the seat belt, and the infant can be stably held, and the infant can be protected from sudden braking or the like.

 In the above-mentioned shield 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, and the infant can sit down or lie down on the seat cushion side with his / her back. When this vehicle seat is used, for example, in the passenger seat, the infant can sit down or lie down in the direction of travel, so that the driver can be seen at any time, and the driver can always see the infant from the driver's seat. It can give both infants and drivers 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.

 A part of the seat back is a rotating seat back part that can rotate between the storage position and the child seat position,

 When the rotating seat back is rotated from the storage position to the child seat position, the child seat is positioned between the rotating seat back and the remaining non-rotating seat back in the storage position of the rotating seat back. The child seat is formed between the pivot seat back portion and the remaining seat back portion in a state where the pivot seat back portion is returned to the storage position. It is characterized by being accepted.

In the vehicle seat having such a configuration, when the rotating seat back portion is rotated to the child seat position, when the rotating seat back portion is in the retracted position, the seat seat accommodated in the seat back is rotated by the rotating seat back portion. In other words, it is automatically formed between the rotating seat back portion and the remaining seat back portion in accordance with the rotation of the vehicle, so that complicated mounting as in the prior art is unnecessary. When the child seat is not required, if the child seat is rotated to the storage position, the child seat is automatically stored in the seat back. Therefore, there is no need to worry about the storage location of the child seat as in the past. In particular, for example, if a part of the rear end side of the seat back such as the passenger seat is a rotating seat back portion that can be rotated rearward of the vehicle, a shield seat can be provided in a space between the passenger seat and the rear seat. it can. In this case, for example, by placing an occupant other than the driver on the rear seat, the occupant can take care of the infant or the like.

 A vehicle seat according to the present invention for solving the above-mentioned problems is, as a second configuration thereof, 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 provided. Is provided with a retractable shield sheet portion rotatable rearward of the vehicle between the storage position and the child seat position, and the retractable child sheet portion is rotated from the storage position to the child seat position. In this case, a child seat is formed between the retractable child seat portion and the seat back with the rotation of the retractable child seat portion from the storage position to the child seat position, and the child seat is When the retractable child seat is returned to the storage position, the retractable child seat and the seat It is housed between the tobacco and the tobacco. In this case as well, mounting and assembling work become easy, and a child seat can be provided in the space between the passenger seat and the rear seat, so that the rear seat occupant can take care of infants and the like. become.

 Further, in the above vehicle seat, a part or the whole of a seat cushion is rotatable between a seat position and a child seat position with respect to a seat back,

 When 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. In addition, the child seat can be accommodated on the bottom side of the seat cushion in a state where the seat cushion is returned to the seat position.

In this case, in one vehicle seat, the seat cushion side and the seat back side This makes it possible to form a shield sheet at two places, which is particularly effective when carrying a large number of infants.

 As a specific mode of the vehicle seat, the turning seat back portion or the retractable child seat portion has a child seat cushion forming portion and a child seat back forming portion, and the child seat back forming portion includes a child seat cushion. The child seat back forming part is rotatably attached to the forming part between a storage position and a child seat back forming position, and in a state where the rotating seat back part or the stowable child seat part is turned to the child seat position. The child seat back can be formed at the child seat back forming position.

 The vehicle seat having such a configuration is, in a manner to be described, associated with the rotation of the rotating seat back portion or the retractable child seat portion to the child seat position and the subsequent rotation of the child seat back forming portion to the child seat back forming position. The seat cushion and seat back of the seat are automatically formed. Therefore, the child seat can be easily formed without the need for complicated installation and assembling work as in the past.

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, and is rotated. A backrest portion of the chair seat can be formed on the seatback side. That is, in a state in which the rotating seat back portion or the retractable field seat portion is in the field seat position, the seat back is rotated forward to become the seat back of the channel seat, and the infant is not seated with his / her back on the seat back side. It can lie down (ie the child will face the rear of the vehicle). When such a vehicle seat is used, for example, for the passenger seat, the infant sits in the space between the passenger seat and the rear seat in the direction opposite to the traveling direction. Or you can lie down. Therefore, for example, when the father drives and the mother gets in the backseat, the infant can always look at the mother's face, and the mother can always see the infant and take care of the infant. It can give both seat occupants a sense of security.

 Further, in order to solve the above problems, a vehicle seat of the present invention includes a seat body including a seat cushion and a seat back,

 A part of the front side of the seat back is a turning seat back portion that can turn to the front side of the vehicle between the storage position and the 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. The child seat is formed along with the rotation from the storage position to the child seat position, and the child seat, when the rotary seat back portion is returned to the storage position, includes the rotary seat back portion and the remaining seat back portion. It is characterized by being housed between.

 Also in this case, when the rotating seat back portion is rotated to the child seat position, when the rotating seat back portion is in the storage position, the child seat accommodated in the seat back is rotated in accordance with the rotation of the rotating seat back portion. Since it is automatically formed between the rotating seat back and the remaining seat back, there is no need for complicated installation and assembling work as in the past. In addition, when the child seat is not required, if the rotating seat back is rotated to the storage position, it is automatically stored in the seat back, so that it may be difficult to store the child seat as in the conventional case. Absent.

The child seat formed from a part of the seat back has a use state such as a chair shape or a bed shape. Between the seat back and the remaining seat back (equivalent to the inside of the seat back), or between the child seat and the seat back that can be stored (storage) It is accommodated on the bottom side of the seat cushion (corresponding to the inside of the seat cushion) or the bottom of the seat cushion (corresponding to the inside of the seat cushion). It can be in the form of a pad when used. 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-mentioned portions, and at the child seat position, the folding is opened to be a chair or a bed. As described above, the rotation from the small-volume storage mode to the use mode is automatically performed in accordance with the rotation of the rotating seat back portion, the retractable child seat portion, or the seat cushion or a part thereof, and a child seat is formed. .

 As a specific aspect 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, A small volume state such as folding of the seat can be released along with the rotation of the rotating seat back, the stored self-contained seat, or the seat cushion. In the case of such a configuration, the work of assembling and forming the child seat requires little 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. In other words, since the child seat, such as a chair or bed, made of a cloth material can be folded, the work of assembling and forming the child seat is simplified, and the chair or bed of the cloth material is For infants, it is comfortable to sit on and comfortable to sleep in. It is also durable with almost the same strength as urethane and other resins, and is also excellent in safety. As the cloth material, for example, a woven fabric or the like woven with fibers such as cotton and hemp can be used.

Furthermore, the child seat formed from a part of the seat back is made of a cloth material. It is preferable that the holding part such as an infant or an infant be covered with at least a part so as to be used at the time of use such as a chair or a bed. In this case, the portion of the cloth material covering the infant or the like forms a substitute for the seat belt, so that the infant or the like can be stably held, and the infant can be protected from the impact of sudden braking or the like. BRIEF DESCRIPTION OF THE FIGURES

 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 split seat portion is rotated. FIG. 3 is an overall perspective view of a vehicle seat showing an example of installation of a hinge member for enabling a divided seat portion to rotate.

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

 FIG. 5 is a perspective view showing an example of forming a shield sheet.

 FIG. 6 is a perspective view showing an example of a lock mechanism of a bottom seat portion and a divided sheet 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 modification of the shield sheet of the first embodiment.

 FIG. 9 is a perspective view showing an example in which a seat belt is provided as a modified example of the shielded sheet 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 shielded 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 shield sheet 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 shows an example in which a sunshade is provided as a modification of the shield sheet of the first embodiment. FIG.

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

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

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

 FIG. 17 is a perspective view showing a modified example of the shield sheet of FIG. 16 and a main part thereof.

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

 FIG. 19 is a diagram schematically illustrating the manner of rotation of the divided sheet portion.

 FIG. 20 is a diagram showing a modified example of the rotation mode of the divided sheet portion.

 FIG. 21 is a diagram showing a modification of the rotation of the divided sheet portion.

 FIG. 22 is a diagram for explaining an effect when the vehicle seat of the present invention is used.

2 3 is a schematic cross-sectional view of _c Figure 2 4 showing an example in which pressed air (air) to the seat member is a perspective showing an example in which a sheet base strike as a modification of Chiyairudoshito of the first embodiment FIG.

2 5 is a perspective view showing 2 6 showing an example in which a seat belt in the child seat of Figure 2 4 is a perspective view _c Figure 2 7 shows an example in which a sheet one safety belt in Chiyairudoshito in FIG. 4, the FIG. 6 is an overall perspective view showing a vehicle seat as a second embodiment of the invention.

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

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

 FIG. 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 view showing a state where a child seat is formed in the vehicle seat of FIG. 27.

FIG. 32 is a diagram for explaining a main part of the child seat. FIG. 33 is a diagram showing an example in which undulations are provided in a cushion portion of a shield sheet.

 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 of the second embodiment.

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

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

 FIG. 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 a view for explaining a main part of the child seat in FIG. 38.

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

 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 the 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 an 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 of the second embodiment.

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

FIG. 46 is a view showing a modification of the child seat formed on the vehicle seat according to the second embodiment. FIG. 47 is a view showing a modification of the child seat formed on the vehicle seat of the second embodiment.

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

 FIG. 49 is a view showing a modification of the child seat formed on the vehicle seat of 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 diagram showing a modified example of the child seat formed on the vehicle seat of the second embodiment, and an enlarged view of a main part thereof.

 FIG. 52 is a schematic cross-sectional view showing an example in which air (air) is pressed 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 as a fourth embodiment of the present invention.

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

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

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

 FIG. 58 is a view showing a modified example of the shield seat formed on the vehicle seat of 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. BEST MODE FOR CARRYING OUT THE INVENTION

 Hereinafter, a first embodiment of the present invention will be described with reference to examples 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. By operating the seat back reclining lever 4a provided on the reclining device 4, 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 is divided into a split sheet portion 5 on the vehicle front side and a remaining U-shaped portion 6. At the lower front end of each of the divided sheet portion 5 and the U-shaped portion 6, a rotating shaft 8 is provided so as to pass through the divided sheet portion 5 from the U-shaped portion 6. By operating the split seat part rotating lever 4 b provided on the reclining device 4, the split seat part 5 can be normally seated by the adult as shown in FIG. 1 around the rotation shaft 8. From the right position (seat position), the divided seat portion 5 shown in FIG. 2 can be rotated between the upright positions (child seat position). Note that hinge members 8a, 8a as shown in FIG. 3 are provided at the lower front end of the divided seat portion 5, and the divided seat portion 5 is connected to, for example, a vehicle floor by the hinge members 8a, 8a. The seat 5 may be rotatable. In the present embodiment, unless otherwise specified, the traveling direction of the vehicle is defined as “front” and the opposite side is defined as “rear”.

In the child seat position, the divided sheet portion 5 rotated as described above is rotated and developed in the forward direction of the U-shaped portion 6, and the rotation angle (from the U-shaped portion 6 to the divided sheet portion). 5) is set to be, for example, 90 ° or more. This standing up In the space between the divided seat portion 5 and the seat back 3, a child seat 10 for an infant or an infant 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 split seat portion 5 when the split seat portion 5 is in a normal seating state (seat position). . As shown in FIG. 5, the child seat 10 made of cloth is formed by two side seat portions 11 and 11 provided substantially in parallel in the width direction of the vehicle and the bottom of the child seat 10. And a bottom sheet portion 12 to be formed.

 One end 11a of the side sheet portion 11 has a height substantially equal to the height of the divided sheet portion 5, and is connected to the divided sheet portion 5 (for example, by sewing). The side seat portion 11 is inclined toward the seat back 3 so as to reduce its height, and the other end 11 b is connected to the lower end of the seat back 3. On the other hand, the bottom seat portion 12 is installed in a substantially horizontal state, and one end 12 a is connected to the lower end of the divided seat portion 5, and the other end 12 b is the lower end of the seat back 3. It is linked to Such a shielded seat 10 is designed to allow an infant to sit or lie down in the space created between the two side seats 11 and 11 and the bottom seat 12. ing.

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 part 12 is attached to the lock mechanism 13a in the form of a seat belt. It is possible to fix via the fixing member 14. This prevents the bottom seat portion 12 from lifting when an upward force is applied to the bottom seat portion 12, preventing the child from getting sick, or throwing the infant away when a strong force is applied. To prevent accidents. Further, in order to maintain the standing state of the divided sheet portion 5, for example, a divided sheet portion lock mechanism as shown in FIG. 6B can be provided. This is the same as FIG. 6 (a), in which the divided seat portion 5 is fixed to the lock mechanism 13b via a seat belt-shaped fixing member 14a, and the belt-shaped fixing member is provided. 1 4a is It can be pulled out from an opening 5b provided on the upper side of the divided sheet portion 5. Note that the split sheet portion lock 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. 7, the split seat portion 5 can be provided with a seat belt 15 which can be inserted and removed from the belt opening 5a, and in this case, the infant is stably held by the seat belt 15. It becomes possible. The seat belt 15 is preferably fixedly held at one end of the seat belt 15 by, for example, a lock mechanism 16 provided on the floor of the vehicle.

 Hereinafter, modified examples of the shield sheet 10 will be described. In the example shown in FIG. 8, one end 12a of the bottom seat portion 12 is connected to the upper end portion of the divided seat portion 5, and the other end portion 12b is the lower end of the seat back 3 as in FIG. It is a configuration that is connected to a unit. As a result, the bottom seat portion 12 is configured as a curved bed 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, The seat is comfortable for infants, and has excellent safety because the two side seats 11 1 and 11 prevent it from moving to the side.

 FIG. 9 shows an example in which seat belts 17 and 17 are provided on the child seat shown in FIG. The two seat belts 17, 17 cover substantially the entire opening of the child seat 10 and prevent the infant from being thrown out of the seat. Here, the seat belt 17 can be inserted into and removed from the divided seat portion 5 through an opening portion 19 provided on the upper end side of the divided seat portion 5, and for example, a lock mechanism provided on the floor of a vehicle or the like. The end of the seat belt 17 can be fixedly held at 18. The lock mechanism 18 can be provided at the lower end of the seat back 3.

FIG. 10 is an example of a seat belt 20 in which the above-mentioned seat belt 17 is equipped, and the seat belt 20 pulled out from an opening 21 provided near an intermediate portion of the split seat portion 5 is shown in FIG. The opening 2 provided in the side seat 11 from the outside of the side seat 11 It is guided into the child seat 10 through 2 and is fixedly held by a lock mechanism 18 similar to FIG. The 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 an example in which a cover member 23 is provided in the example of FIG. The cover member 23 is provided so as to cover the opening of the child seat 10 from the vicinity of the middle of the inclined end of the side sheet portion 11 in the inclination direction toward the seat back 3. 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 freely opened and closed. 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 in combination with the seat belt shown in FIG. 9 or FIG. 10 and the lock mechanism shown in FIG. 6, the safety for infants is further enhanced.

 FIG. 13 shows a configuration in which a sunshade section 25 is provided on the child seat 10 having the configuration shown in FIG. 11. The sunshade part 25 is composed of one cloth-like member continuously from the side sheet part 11 and is inclined with respect to the opening on the divided sheet part 5 side of the child seat 10, that is, the cover member 23. Are provided so as to cover the opening on the opposite side. The sunshade portion 25 protects the infant from direct sunlight, and further enhances the effect of holding the infant in the child seat 10. In addition, the sunshade part 25 may be a cloth-like member different from the side seat part 11 and may be configured to be detachable from the side seat part 11 with a fastener or the like. Further, if a support rod 26 that can be elastically deformed is provided at each peripheral edge of the sunshade portion 25, the shape of the sunshade portion 25 can be stably maintained.

On the other hand, FIGS. 14 and 15 show that the upper end of the side seat portion 11 is substantially horizontal. FIG. 3 is a perspective view of the vehicle seat 1 provided with the shielded seat 40 as viewed from the front side and the rear side, and a side seat portion 11 is provided with an engaging portion 30 provided near a middle portion in the height direction of the seat back 3. , So that it is detachably held. In this child seat 40, as shown in FIG. 16, the side seat portion 11 has substantially the same height as the divided seat portion 5, and the height is set to be equal to the engagement portion 3 from the divided seat portion 5. It extends almost horizontally to zero. Further, the bottom seat portion 12 is formed 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. 4, the infant can be prevented from being thrown to the side, and the effect of keeping the child warm is enhanced.

 In the example shown in FIG. 16, the seat belt shown in FIG. 10, the cover member shown in FIG. 11, and the sunshade shown in FIG. 13 must be provided. Is possible. Further, as shown in FIG. 17 (a), a support rod 32 can be provided at an upper end of the side sheet part 11, and the shape of the side sheet part 11 can be formed by the support rod 32. In addition to being able to maintain stability, the standing state of the split sheet portion 5 can be maintained stably. That is, the support bar 32 prevents the divided seat portion 5 from returning to the seat position. One end of the support rod 32 is engaged and fixed to an engagement part 33 provided on the divided seat part 5, and the other end is attached to and detached from an engagement part 30 provided on the seat back 3. It is kept possible.

 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 It is rotatable about 34 in a direction substantially parallel to the front-rear direction of the vehicle. This support rod 3 2 (especially movable rod 3

When 2 b) is held by the seat back 3 (as shown in Fig. 17 (a)), the movable rod

A rotation restraining portion 36 protruding from the fixed bar 3 2a from the side 3 2 restrains the movable bar 3 2 b from rotating further upward, and holds the side seat portion 11 in a horizontal state. . The fixed rod 32a is fixed by the engaging part 33 of the divided sheet part 5, and the movable rod 32b rotates. When the support rod 34 is accommodated in the fixing rod 32 a side, the support part 34 rotates on the divided sheet part 5 side and the engagement part 33 as a fulcrum, and for example, the support rod provided on the divided sheet part 5 It can be housed in part 35. Note that a support rod 37 having a slide mechanism as shown in FIG. 17 (c) can also be used. This is such that the movable bar 37b is slidably accommodated in a fixed bar 37a having an inner diameter larger than the outer diameter of the movable bar 37b.

 In the above embodiment, the child seat is formed by the rotation of the divided sheet portion 5 which divides a part of the seat cushion 2, but the entire seat cushion 2 is formed as shown in FIG. The seat cushion 2 may be divided in the thickness direction, as shown in FIG. 19, so that the upper divided seat portion 50b can be rotated. be able to. 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. 20, the entire seat cushion 51 (partially or entirely in the width direction) can be rotated in the traveling direction of the vehicle, or as shown in FIG. It is also possible for only the side part 52 to be rotatable. In this case, the height of the divided seat portion can be set arbitrarily, for example, it can be set appropriately 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 and the like. .

Further, as shown in FIG. 24, a seat best 70 may be provided on the bottom sheet portion 12. This is a mesh-like or cloth-like wrapping-like vest, which is connected to the bottom sheet part 12 by sewing or the like. In the case of this embodiment, the crotch part 71, the side part 72, the shoulder part It is sutured at 73. As shown in FIG. 24 (b), for example, as shown in FIG. It can be wrapped and can stably hold an infant like a seat belt. In this case, an adjuster mechanism may be provided on the seat vest 70 so that it can be deformed to the size that fits the infant's body shape. It can also be detachably connected to the bottom seat part 12 so that it can be replaced according to the infant's body shape. As shown in Fig. 25, in addition to the seat vest 70, a seat belt 77 that can be inserted and removed from the divided seat section 5 is wrapped around the infant's waist and fixed to hold the infant more stably. As shown in Fig. 26, the infant can be held by a four-point (or three-point) seat belt 20 from the shoulder to the foot.

 The above-described vehicle seat 1 of the present invention prevents an infant from being thrown away if the airbag A is installed so as to cover the opening of the chinored seat, as shown in FIG. 22, for example. The safety is further improved. In the present embodiment, the back is turned toward the split seat portion 5 side, but may be turned toward the seat back 3 side. In this case, one end of the bottom seat part 12 may be detachably connected near the middle part of the seat back 3, and the other end may be connected to the lower end part of the divided seat part 5.

 Further, in this embodiment, the passenger seat is shown as the vehicle seat. However, the child seat according to the present invention may be provided in the rear seat. In the case of the rear seats, the entire seat cushion, which is approximately the same as the vehicle width, is rotatable, and if the entire seat cushion is in the upright position, the child seat can be secured in a large space. Can lie down in that space.

As shown in Fig. 23, the side sheet part 11, the bottom sheet part 12, the cover member 23, the sunshade part 25, and the sheet It is also possible to form a sheet member in which materials are overlapped. FIG. 23 (a) shows two cloth materials 80a and 80b sewn together at the stitching portion 83 and overlapped, and the two cloth materials 80a and 80b are An air-elastic member 82 in which air (air) is press-fitted into a sealed bag-like member 81 made of vinyl, for example, is inserted into the space formed therebetween. According to such a sheet member (11, 12, 23, 25, 70), the elasticity of the air causes it to be attached to the infant. In addition to being a comfortable and comfortable seat member, it is also excellent in the heat retaining effect of air, and when a vehicle receives a shock, for example, the shock can be absorbed by the elasticity of the air, improving the safety for infants. . In this case, as shown in FIG. 23 (b), the sheet member (11, 12, 23, 25, 70) can be quilted by the stitching portion 85. By this quilting process, for example, even if one sealing bag-shaped member 81 is broken, other sealing bag-shaped members 81 can function normally. In addition to the air (air), it is also possible to mix feathers, especially heat-reducing fibers such as down, 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 is provided with a seat body 107 composed of a seat cushion 102 and a seat knock 103, and the seat cushion 102 and the seat back 103 are reclining devices 1 Linked by 0 4 By operating the seatback reclining lever 104a provided in the reclining device 104, the angle of the seatback 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 part of the seat back 103 is cut into a substantially rectangular shape at the rear end side, and is divided into a substantially rectangular parallelepiped rotating seat back part 105 and a remaining part (remaining seat back part 106). Has been established. The rotating seat back portion 105 is stored in the remaining seat back portion 106 via a rotating means (a hinge or the like) such as a rotating shaft 108 provided at the bottom thereof. It is rotatable between the stored position and the child seat position divided from the remaining sheet knock portion 106.

In the present embodiment, as shown in FIGS. 27 and 28, the turning levers 105 a and 105 b provided on both sides of the seat back 103 are operated to rotate the seat back. Motion seat bar The lock portion 105 can be rotated to the rear of the vehicle. The rotating levers 105a and 105b are mechanisms for locking the rotation of the rotating seatback unit 105, that is, a mechanism for holding the rotating seatback unit 105 in the storage position. Release lever. Here, the storage position is a position where the rotating seat back portion 105 is integrated with the remaining seat back portion 106 to form the seat back 103. The lock can also be released by providing a pull lever 105c or the like in the rotating seat back portion 105 and pulling the pull lever 105c forward. .

 By operating the seat back reclining lever 104 a shown in FIG. 27, the seat back 103 can be reclined toward the front of the vehicle as shown in FIG. When the rotating levers 105a and 105b are operated (in this embodiment, the levers are pulled up), the rotating seatback portion 105 is rotated to the rear side of the vehicle. As shown in the figure, the seat cushion 102 is in a substantially horizontal state substantially parallel to the seat cushion 102. The rotating seat back portion 105 is divided into a child seat back forming portion 150 and a child seat cushion forming portion 151 in the longitudinal direction, and the child seat back portion is formed. The forming part 150 is positioned between the child seat cushion forming part 151 and the storage position in the substantially horizontal state shown in FIG. 30 and the child seat cushion forming position in the upright state shown in FIG. Between them, it is rotatable via rotating means such as a rotating shaft 109. In the present embodiment, the traveling direction of the vehicle is defined as “front” and the opposite side is defined as “rear” unless otherwise specified.

As shown in FIG. 31, the rotating seat back portion 105 rotated as described above has the child seat cushion forming portion 151 in a substantially horizontal state, and the child seat back forming portion 1 In the child seat position where 50 is in the upright state, the angle of the child seat back forming section 150 with respect to the child seat cushion forming section 15 1 (from the child seat cushion forming section 15 1 to the child seat back forming section 1 50) Is set to be, for example, 90 ° or more. This standing In the space between the child seat back forming part 150 and the child seat cushion forming part 151 in the state, a child seat 110 for an infant or an infant is formed.

 Note that 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 in a substantially horizontal state, With the rotation of the moving seat back portion 105, the child seat back forming portion 150 can be made to stand up with respect to the child seat cushion forming portion 151. That is, the child seat back forming section 150 can be set in the upright state simultaneously with the rotation of the rotating seat back section 105 to the child seat position. Hereinafter, the child seat back forming part 150 and the child seat cushion forming part 151 may be referred to as a child seat knock 150 and a child seat cushion 151, respectively.

The child seat 11 is composed of the child seat back 150, the child seat cushion 151, and a foldable cotton cloth material (side seat portion) 1 1 1 and a rotating seat back portion 105 When the is in the normal storage position, the cloth material (side sheet portion) 111 is folded so that it is between the rotating seat back portion 105 and the residual seat back portion 106, It is stored in the seat back 103. The side seat portion 1 1 1 1 has a substantially square shape as shown in Fig. 32, and one end (lower end) 1 1 1 a of the side seat portion 1 1 1 has a length substantially matching the child seat cushion 1 5 1. And is connected (eg, by suturing) to a child seat cushion 15 1. Further, the different end portions 111b have a height substantially coincident with the child seat knock 150, and the child seat back is formed by two engaging means such as hooks 110a and 110b. It is detachable from 150. The engaging means is not limited to two points, but may be provided at a plurality of positions to further secure the fixing. On the other hand, the upper end 1 1 1c of the side seat 1 1 1 is moved from the end 1 1 1 b toward the seat back 103. It is inclined in the direction of increasing the height. The side of the upper end portion 111c opposite to the engagement portion 110b is provided inside the portion of the remaining seatback portion 106 in which the rotating seat knock 咅 βΐ05 is accommodated, for example. It is detachably attached by engaging means 110c such as hooks.In addition, as shown in Fig. 33, the child seat cushion 15 An easy configuration can also be adopted.

 The side seat portion (cloth material) 1 1 1 1 releases the engagement with, for example, the seat back 1550, and is connected to the seat cushion 1 5 1 and the remaining seat knock portion 1 06. It is possible to be folded and stored between the rotating seat back portion 105 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 1 11 can be easily accommodated.

 Such a child seat 110 is provided in a space formed between the child seat knock 150 and the child seat cushion 151, and the two side seat portions 111, 111. It is said that infants can sit or lie down.

FIG. 34 is a side view of the vehicle seat 101, in which the seat back 103 is turned forward, and the turning seat back portion 105 is turned to the child seat position. As shown in (b), the child seat 110 on which the infant B can sit or lie down is formed behind the seat back 103. In such a child seat 110, a fixing means 111b such as a belt connected to the seat cushion 102 is attached to the seatback 103 via the engaging portions 114c and 114d. The seat back 103 is prevented from rotating back and forth. Also, the child seat cushion 15 1 is similarly provided with a fixing means 114 such as a belt for fixing the child seat cushion 15 1 to the vehicle floor 113. The part 105 is prevented from returning to the storage position. The headrest 103a can be attached or detached or pivoted rearward, for example, when the airbag pops out. It's been kept out of the way.

 Such a child seat 110 is safely 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 11 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, a vehicle seat 101 b shown in FIG. 35 is a modified example of the vehicle seat 101 described above, and includes a configuration of a rotating seat back portion 105 and a seat knock 103. Reclining mechanism is different. The rotating seat back portion 105 is divided in the thickness direction to form a child seat knock forming portion 152 and a child seat cushion forming portion 153. The child seat back forming section 152 is rotatable via a rotating means 109 a with respect to the child seat cushion forming section 15 3, and such a child seat 220 is provided with the above-mentioned child seat. The size can be made larger than 110. In addition, the seat back 103 including the rotating seat back portion 105 and the seat cushion 102 are movable in the front-rear direction of the vehicle via the shaft 115. In other words, the shaft 115 mounted on the seat back 103 is mounted so that it can slide on the rails 115a provided on the seat cushion 102, and the entire seat back 103 moves back and forth. It has been.

 Further, the vehicle seat 101c shown in FIG. 36 is an example in which a child seat back forming part 150 and a child seat cushion forming part 151 are provided so as to be stowable at the rear of the seat back 103. is there. That is, a storage member 150 having a predetermined space therein is provided at the rear of the seat back 103, and a seat back forming portion 150 and a shield seat formation portion 150 are provided inside the storage member 150. The cushion forming part 15 1 is stored. Then, when the storage members 1 5 5 are opened,

As shown in (b), the child seat back forming section 150 and the child seat back The cushion forming portion 151 appears, and the shield seat 230 is formed by the same mechanism as the vehicle seat 101 described above.

Next, a third embodiment of the vehicle seat of the present invention will be described. In the vehicle seat 101 d shown in FIG. 37, the seat cushion 102 is divided into a U-shape, and a divided seat portion 500 on the front side of the vehicle and a remaining U-shaped portion 106 b are formed. It is divided. At the lower front ends of the divided sheet portion 500 and the U-shaped portion 106b, a rotating shaft 800 is provided so as to pass through the divided sheet portion 500 from the U-shaped portion 106b. Have been. Then, by operating the lever 104b for rotating the divided seat portion provided on the reclining device 104, the divided seat portion 500 is rotated around the rotation axis 800, as shown in FIG. As shown above, the adult can be seated normally (seat position), and can rotate between the standing state (child seat position) with the divided seat part 500 upright as shown in FIG. 38. At the child seat position, the rotated divided seat portion 500 is rotated and developed in the forward direction of the U-shaped portion 106 b, and the rotation angle (from the U-shaped portion 106 b to the divided seat portion). _C ) is set to be, for example, 90 ° or more. _{C In} the space between the divided seat portion 500 and the seat back 103 in the upright state, there is no infant or child. A child seat 100 for infants is formed. The child seat 100 is made of a foldable cotton cloth material. When the split seat portion 500 is in a normal seating state (seat position), the child seat 100 is folded and the bottom surface of the split seat portion 500 is closed. Is stored on the side.

As shown in FIG. 39, the child seat 100 made of cloth is composed of two side seats 111, 111 provided in parallel in the width direction of the vehicle and substantially in parallel with the child seat. And a bottom sheet portion 112 forming the bottom of the sheet 100. The side sheet portion 111 has a substantially triangular shape, and one end thereof has a height substantially coincident with the height of the divided sheet portion 500, and is connected to the divided sheet portion 500 (for example, by sewing). ) Has been. Also, the side seat portion 1 1 1 1 is inclined in a direction to reduce its height toward the seat back 103, The other end 1 1 1 i is connected to the lower end of the seat back 103. On the other hand, the bottom sheet portion 112 is installed in a substantially horizontal state, and one end portion 112h is connected to the lower end portion of the divided sheet portion 500, and the other end portion 112h. Is connected to the lower end of the seat back 103. Such a child seat 100 is capable of sitting or lying down by a child in a space formed between the two side seats 11 1 and 11 1 and the bottom seat 1 12. It has been.

 On the other hand, on the rear side of the vehicle seat 101 d, a rotating seat back 105 similar to the vehicle seat 101 is provided as shown in FIG. When the lock portion 105 is rotated to the shield sheet position, a shield sheet 110 is formed. Since the child seat 110 is formed without moving the seat back 103 forward, the child seat 110 is slightly smaller in size, and is suitable for small-sized babies.

As shown in FIG. 41, such a vehicle seat 101 d can form a child seat before and after the seat 101 d, and FIG. 41 (b) shows a large physique An example is shown in which infant B is placed on the front child seat 100 and child b with a small build is placed on the rear child seat 110 with the child seat 150 as the 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, an infant B with a large physique or an infant b with a small physique Can be seated backward. FIG. 3 (b) shows a side sheet portion 111 of the channel sheet 100 formed in a substantially rectangular shape as in the case of the channel sheet 110. The seat back side end can be engaged with an engaging portion 110 f provided on the side of the seat back 103. In addition, if the seat back 103 is slightly reclined forward, the seat back 103 can be used as the backrest of the child seat 110, allowing the slightly larger physique B to sleep. Becomes 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, 153, the divided seat portion 500, etc. It can be fixed to the zipper mechanism 113a via a seatbelt-shaped fixing member 114. As a result, when an upward force is applied to each of the seat members 15 1, 15 3, and 500, the seats are prevented from being lifted up, preventing childhood motion sickness, or applying strong force and force. In such cases, prevent the infant from being thrown away. The belt-shaped fixing member 114 can be pulled out from the opening 240 provided in each of the sheet members 151, 153, 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 that can be inserted and removed from the belt opening portion 250a. The belt 250 enables stable holding. The seat belt 250 is preferably fixedly held at one end of the seat belt 250 by, for example, a lock mechanism 260 provided on the floor of the vehicle.

 Hereinafter, a modified example of the above-described child seat 110 of FIG. 31 will be described. The example shown in FIG. 44 is an example in which the bottom sheet portion 112 forming the bottom of the shielded sheet 110 is formed, and one end portion 112a thereof is stitched to the remaining seat back portion 106. The rail is connected to a connecting means such as a fastener, and the other 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 formed into a curved bed that is gently inclined from the end 1 12a of the remaining seat back portion 106, and the bottom seat portion 1 12 The infant can be laid down. In this case, the seat is comfortable for the infant and also has excellent safety because the two side seats 11 1 and 11 1 prevent movement to the side.

FIG. 45 shows an example in which a seatbelt 117 is provided on the child seat 110 of FIG. 44 described above. The seat belt 1 17 can be inserted into and removed from the remaining seat back portion 106 through an opening 1 17 a provided on the upper end side of the remaining seat knock portion 106. For example, an end portion of the seat belt 117 can be fixedly held by a buckle mechanism 117 b provided in the seat seat back 150. Such a seat belt 117 prevents the infant from being thrown out of the child seat 110.

 On the other hand, FIG. 46 shows an example in which a cover member 123 is provided in the example of FIG. 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 part 111 toward the child seat knock 150. ing. The cover member 1 2 3 can be installed by being connected to the side sheet portion 1 11 by suturing or the like, or can be formed by a single sheet member continuously from the side sheet portion 1 1 1. . 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 so as to be freely opened and closed. The cover member 123 prevents the infant from being thrown out of the child seat 110, and the cover member 123 also has an effect of keeping the infant warm. If the child seat provided with the cover member 123 is used in combination with the seatbelt 117 shown in FIG. 45, the safety for infants is further enhanced.

 FIG. 47 shows a configuration in which a sunshade section 125 is provided on the child seat 110 having the configuration shown in FIG. The sunshade portion 1 25 is composed of one cloth-like member continuously from the side sheet portion 1 1 1, and the opening of the child seat 110 on the remaining seat back portion 106 side, that is, the cover member 1 23 is provided so as to cover the opening on the opposite side. The sunshade portion 125 protects the infant from direct sunlight, and further enhances the effect of holding the infant in the child seat 110. In addition, the sunshade part 125 may be a cloth member different from the side sheet part 111, and may be configured to be detachable from the side sheet part 111 with a fastener or the like. If the elastically deformable support rods 126 are provided at the peripheral edge of the sunshade 125, the shape of the sunshade 125 can be stably maintained.

Also, as shown in Fig. 48, a seat best 170 is provided on the bottom seat 1 1 2 You can also. This is a mesh-like or cloth-like wrapping-like vest, which is connected to the bottom sheet part 112 by sewing or the like. In the case of this embodiment, the crotch part 171 and the side part 172 It is sutured at the shoulder 1 73. As shown in Fig. 48 (b), for example, as shown in Fig. 48 (b), the seat base 170 opens and closes a fastener 17 4 (buttons, Velcro, etc.) provided near the center of the shaft, thereby The infant can be wrapped in the car, and the infant can be stably held in the same manner as the seat belt. In this case, it is possible to provide an adjuster mechanism on the seat vest 170 so that it can be freely deformed to fit the size of the infant's body, and to be detachably connected to the bottom seat part 112. It can be made replaceable according to the infant's body type. As shown in Fig. 49. In addition to the seat base 170, a seat belt 1777 that can be inserted and removed from the remaining seat knock part 106 can be wrapped around the waist of the infant and fixed. Thus, the infant can be held more stably.

 In FIG. 50, a cut-out portion 150c is provided at the end of the child seat back 150 on the side of the child seat cushion 150 so that an infant or the like can pass a foot through the child seat back 150. It is an example. The notch 150c is formed by cutting out the two corners of the child seat cushion 150 of the substantially square shaped seat back 150 in the shape of a fan in a substantially fan shape. The remaining part is connected to the child seat cushion 15 1. In addition, an elastic member such as an air mat into which air is mixed is preferably provided on the inner portion of the child seat back 150, that is, the portion of the child seat back 150 to which the infant contacts to protect the infant. The above-described bottom seat portion 112, seat belt 117, cover member 123, sunshade portion 125, and seatbelt are provided in the above-described shield seat provided with the cutout portion 150 for the foot passage. The combined use of a 170 and a seat belt 177 will improve the comfort and comfort of the infant and improve safety.

In addition, for various types of child seats as described above, Fig. 51 (a) shows A support bar 13 2 can be provided at the upper end of the side seat portion 1 1 1 so that the shape of the side seat portion 1 1 1 can be stably maintained by the support bar 13 2. As a result, the child seat back 150 can be stably kept standing. That is, the support rods 13 2 can prevent the child seat back 150 from returning to the stored state. One end of the support rod 13 2 is fixedly engaged with an engagement portion 110 c provided on the remaining seat back portion 106, and the other end is provided on the seat back 103. It is detachably held by the engaging portion 110b.

 As shown in FIG. 51 (b), the support rod 1332 is fixedly connected to the fixed rod 1332a and the movable rod 1332b by the support part 1334. Is rotatable about a support portion 134 in a direction substantially parallel to the front-rear direction of the vehicle. When the support rods 13 2 (especially the movable rods 13 22 b) are held by the seat back 103 (the state shown in Fig. 51 (a)), the movable rods 13 22 The rotation restraining portion 1336 protruding to the 32a side restrains the movable rod 1332b from rotating further upward, and holds the side seat portion 1 1 1 in a horizontal state. In addition, the fixed bar 13 2 a is fixed by the engaging portion 110 c of the remaining seat back portion 106, and the movable bar 13 2 b rotates and is housed in the fixed bar 13 2 a side. Then, the support portion 134 is rotated toward the remaining seat back portion 106 on the side of the engaging portion 110c, for example, to accommodate the support rod provided on the remaining seat back portion 106. It can be accommodated in parts 135. Note that a support rod 1337 having a slide mechanism as shown in FIG. 51 (c) can also be used. This is such that the movable rod 1337b can be accommodated by sliding into the fixed rod 1337a having an inner diameter larger than the outer diameter of the movable rod 1337b.

As shown in Fig. 52, the side sheets 1 1 1, the bottom sheet 1 1 2, the cover 1 2 3, and the sunshade 1 2 5 made of cloth Can also be used as a sheet member. FIG. 52 (a) shows two cloth materials 180a and 180b which are sewn and stitched together at a seam 183, and the two cloth materials 180a and 180b are overlapped. In the space formed between a and 180b, an air-elastic member 182 in which air (air) is press-fitted into a sealed bag-like member 81 made of vinyl, for example, is inserted. According to such a sheet member (111, 112, 123, 125), the elasticity of the air makes the seat member comfortable for infants and also has excellent heat retention effect by air. Also, for example, when a vehicle receives a shock, the shock can be absorbed by the elasticity of the air, so that the safety for infants is also improved. In this case, as shown in FIG. 52 (b), the sheet member (111, 112, 123, 125) can be quilted by the stitching portion 185. By this quilting process, for example, even if one sealed bag-shaped member 181 is damaged, the other sealed bag-shaped members 181 can function normally. In addition, besides air (air), feathers, especially heat insulating fibers such as down, can be mixed into the sealed bag-shaped member 181.

FIG. 53 schematically shows an example in which vehicle seats capable of forming child seats of various forms as described above are mounted on an actual vehicle. This is a perspective view of the vehicle 300 as viewed from above, in which a driver F is operating a steering wheel 305 while sitting in a driver seat 301. The vehicle seat of the present invention is used for the passenger seat 302. The seat back 302a is reclined toward the front side of the vehicle to form a child seat 110 behind the seat back 302a. and put the infant B ₃ in the rear-facing to 10. On the other hand, in the back seat 303, first mother in the passenger seat side (infant administrator) M are riding, it is and the child to take care of infant B _3, which are in the front passenger seat back of the child seat 1 1◦. Further, the side of the mother M, that is, the intermediate portion and the driver's seat after lateral portion of the rear seat 303, child seat 100 part of the seat cushion of the rear seat is upright toward the front of the vehicle is formed, infant Bp B ₂ Is riding backwards. Mother M can also take care of this infant B _1; B ₂ , in which case she can take care of three infants in a child seat. If one child seat can be formed on one vehicle seat as shown in Fig. 40, for example, if it is adopted as a passenger seat If so, four infants can be seated in a child seat.

 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 body 407 including a seat cushion 402 and a seat back 403. The seat cushion 402 and the seat back 403 are connected to each other by a reclining device (not shown). Are linked. 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 4 10. In this case, the front seat back portion 4111 is a rotating seat back portion, and the rear seat back portion 4110 is a remaining portion (remaining seat back portion).

 The rotating seat back portion 4111 is housed in the remaining seat back portion 4110 via a rotating means (a hinge or the like (not shown)) such as a rotating shaft provided on the bottom portion thereof. It is rotatable between the retracted storage position (FIG. 54) and the child seat position (FIG. 55) divided from the remaining seat back section 410. Note that, in this case, the storage position is a position where the rotating seat back portion 4111 and the remaining seat back portion 4110 are united and the rotating seat back portion 4111 is in an upright state. This is the position where the vehicle seat 401 can be used as a normal seat.

In this embodiment, as shown in FIG. 55, the turning seat back portion 411 can be turned to the front side of the vehicle by operating a predetermined turning lever or the like (not shown). In the position where the rotating seat back portion 411 is rotated forward, that is, in the child seat position, the rotating seat back portion 4111 and the seat cushion portion 402 overlap and are substantially integrated, and further rotated. A child seat 400 is formed between the moving seat back section 4 11 and the remaining seat back section 4 10. The child seat 400 is a sheet-shaped side seat that straddles the upper end (upper end in the storage position) of the rotating seat back portion 4111 and the upper end of the remaining seat back portion 410. Parts 4 1 4 and 4 15 and rotation A seat seat cushion 4111a constituted by the back of the seat back 4111 and a child seat back 4110a constituted by the front of the remaining seat knocking section 4110. It is composed of and. In this embodiment, the fixing belt 4 12 provided on the seat cushion 402 is fixed by fixing means 4 13 such as a lock mechanism provided on the rotating seat back portion 4 11. Thus, the rotating seat back portion 4 1 1 can be securely fixed.

The side seat portions 4 14 and 4 15 are made of a foldable cotton cloth or the like, and when the rotating seat back portion 4 11 is in a normal seating state (seat position). It is folded and accommodated on the rear side of the rotary seatback portion 4111, that is, between the rotary seatback portion 411 and the remaining seatback portion 4110. The side seat portions 4 14 and 4 15 are provided substantially in parallel with each other in the width direction of the vehicle. Such a child seat 400 is composed of two side seat portions 4 14 and 4 15, a back side 4 1 1 a of the rotating seat knock portion 4 11 1, and a remaining seat back portion 4 1 0 space formed between the front side 4 1 0 a a, seating an infant les are those that can be Nekoroba _(Note that the back side 4 1 of the rotating seat back portion 4 1 1 As for 1a, in order to improve the sitting ability of the infant, it is possible to provide undulations as shown in Fig. 33 or to provide cushioning properties.

On the other hand, as shown in FIG. 56, the curved portion is bent from the upper end of the remaining seat back portion 410 to the front end (the upper end in the storage position) of the rotating seat back portion 4111. A curved bottom sheet portion 421 may also be provided. The bottom seat portion 421 is a non-motta shaped sheet member. In this case, the infant can lie down comfortably. In the embodiment shown in FIG. 55 and FIG. 56, for example, it is possible to restrain (hold) the infant in the child seat 400 by using a seat belt provided in a vehicle seat. Using infant holding means for holding at least a part of the infant's torso, such as seat belts 17 and 20 as shown in FIG. 9 or FIG. 10, It is also possible to adopt a configuration in which an infant is held safely.

 In addition, as shown in Fig. 57, by providing infant restraining means (infant holding means) 42 that straddles both upper ends of the side seat sections 4 14 and 4 15, the infant can be restrained more safely.

 (Hold) is possible. The infant restraint means 422 is a cloth-like member that curves from the upper end of the side sheet part 414, 415 to the bottom sheet part 421, and is positioned at a predetermined position of the cloth-like member. In addition, there are provided insertion holes 4 23 and 4 24 into which infant feet can be inserted. The restraining means (cloth-like member) 422 is connected to the side sheet portions 414, 415 and the bottom sheet portion 421 on three sides, for example, by means such as sewing. (Fixed means). Also in this case, for example, a force capable of restraining (holding) the infant in the child seat 400 by using a seat belt provided in a vehicle seat, as shown in FIG. 9 or FIG. It is also possible to adopt a configuration in which an infant is safely held by using infant holding means such as a simple seat belt 17, 20 or the like that holds at least a part of the infant's body.

On the other hand, as shown in FIG. 58, the space formed by the side seat portions 4 14 and 4 15, the rotating seat back portion 4 11 1, and the remaining seat back portion 4 10 is covered. Cover member 432 can be provided. The cover member 432 is provided so as to straddle both upper end portions of the side seat portions 4 14 and 4 15 and to cover substantially half of the opening portion of the child seat 400. The cover member 4 32 can be connected to (fixed to) the side seat portions 4 14 and 4 15 by suturing or the like, or can be connected one by one from the side seat portions 4 14 and 4 15. It can be formed of a sheet member. In the case of the present embodiment, a mesh member 431 is provided at the rear (upper side) of the cover member 432 so as to be continuous with the cover member 432, and covers the opening of the child seat 400. The cover member 4 32 and the mesh member 4 31 are provided with a fastener mechanism 4 33 on one side thereof so as to be freely connected to the side sheet member 4 14. The cover member 4 32 prevents the infant from being thrown out of the child seat 400, While the cover member 4 32 also has the effect of keeping the child warm, the mesh member 4 31 functions as a member for improving air permeability.

 Furthermore, as shown in FIG. 59, a seat base 440 may be provided on the bottom seat portion 421. This is the same as FIG. 48 in which a mesh-like or cloth-like wrapping-like vest is connected to the bottom sheet part 112 by suturing or the like. The seat vest 440 can be opened and closed by opening and closing a fastener (buttons, velcro, etc.) provided near the center of the shaft of the seat vest 450, for example, as in FIG. 48 (b). The infant can be wrapped inside, and the infant can be stably held in the same manner as a seat belt.

 The side sheet members 4 14 and 4 15 can be made of elastic members. In such a case, the expansion of the side seat members 4 14 and 4 15 is used to set the side seat members 4 14 and 4 15 in a stable (unstretched and steady state) child seat position. Further, it is possible to tilt (recline) the seat back 410 at a free angle (for example, backward by a predetermined angle). 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 a child seat becomes easier. . When the fastener 43 is provided as shown in FIG. 58, the cover member 432 and the mesh member 4311 are made of an elastic member (elastic fiber), and the fastener 43 is turned around. Instead of being directly connected to the moving seat backs 4 11 and Z or the remaining seat backs 4 10, a predetermined distance from the rotating seat backs 4 11 and Z or the remaining seats 4 10. It may be provided, and an elastic member may be interposed between them. In this case, the remaining seat back portion 4 10 can be rotated to a desired angle by the elastic side seat members 4 14 and 4 15, the cover member 4 32 and the mesh member 4 31. It is possible.

Fig. 53 schematically shows an example in which the vehicle seat is mounted on an actual vehicle. As shown in Fig. 60, the three rear seats 303 (see Fig. 53) are horizontally integrated rear seats 303a, and the horizontal rear seats 303 It is also possible to form a horizontally long child seat by rotating the above-mentioned divided seat cushion portion or rotating seat back portion from the seat cushion or the seat back. In this case, size of the large cutting, it is possible to Nekoroba sideways state even for infants B _4. The formation of a child seat in such a rear seat is achieved by making the side seat members of each vehicle seat (seating for each train) removable in the three rear seats 303 (see Fig. 53). By removing the child seat, it is possible to form a horizontal child seat that is as long as two or three seats. In the case of forming a sideways child seat, by providing the side protection means 320 etc., it is possible to further secure the safety against a side impact, and to provide the side protection means. As an example, a side airbag or the like can be exemplified.

Claims

The scope of the claims 1. A vehicle seat including 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 seat position with respect to a seat back,  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 seatback with the rotation of the seat cushion from the seat position to the child seat position. And the child seat is stored on the bottom side of the seat cushion in a state where 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. 2. The vehicle seat according to claim 1, wherein the vehicle seat changes from a small volume state to a chair-like shape or a bed-like shape in use with rotation to the position.  3. A part of the child seat is connected to the rotatable seat cushion or a part thereof, and the small volume state such as the 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 or 3, wherein the child seat is configured to include a cloth material having flexibility, and the cloth material can be folded into a small volume state. A vehicle seat according to claim 1. 5. The child seat is to be held by an infant or an infant by the cloth material. 5. The vehicle seat according to claim 4, wherein the vehicle seat is configured to be in a use state such as a chair shape or a bed shape so as to cover at least the vehicle.  6. The vehicle seat according to any one of claims 1 to 5, 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 including a seat cushion and a seat back,  A part of the seat back is a rotating seat back portion that can rotate between the storage position and the child seat position,  In a state where the rotary seatback is rotated from the storage position to the shielded seat position, a seat is provided between the rotary seatback and the non-rotatable remaining seatback. The child seat is formed in association with the rotation from the storage position to the child seat position, and the child seat, when the rotary seat back portion is returned to the storage position, has the rotary seat back portion and the remaining seat back portion. And a vehicle seat accommodated between the vehicle seat and the vehicle.  8. A vehicle seat including a seat body including a seat cushion and a seat back,  A part of the rear end side of the seat back is a turning seat back portion that can turn to the rear side of the vehicle between the storage position and the child seat position, In a state where the rotating seat back portion is rotated from the storage position to the shielded seat position, a seat is provided between the rotating seat back portion and the remaining non-rotating seat back portion. The child seat is formed along with the rotation from the storage position to the child seat position, and the child seat, when the rotary seat back portion is returned to the storage position, has the child seat and the remaining seat. A vehicle seat that is housed between the vehicle seat and the vehicle. 9. A vehicle seat including a seat body including a seat cushion and a seat back,  At the rear end of the seat back, there is provided a retractable shield sheet part that can rotate to the rear side of the vehicle between the storage position and the shield seat position,  In a state where the retractable child seat portion is rotated from the storage position to the child seat position, a child seat is provided between the retractable child seat portion and the seat back, from the storage position of the retractable child seat portion to the child seat position. The child seat is formed along with the rotation, and the child seat is stored between the stowable child seat portion and the seat back in a state where the stowable child seat portion is returned to the stowed position. Vehicle seat.  10 · In a vehicle seat equipped with a seat body consisting of a seat cushion and a seat back,  A part of the back side of the seat back is a turning seat back part that can turn to the rear side of the vehicle between the storage position and the shield 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. The child seat is formed along with the pivoting of the back seat from the storage position to the child seat position. A vehicle seat that is housed between the vehicle seat and the vehicle.  1 1. A part or the whole of the seat cushion is rotatable between a seat position and a child seat position with respect to the former soccer seat back, In a state where the seat cushion is rotated from the seat position to the child seat position, a child seat is provided between the seat cushion and the seat back. The seat cushion is formed along with the rotation of the seat cushion from the seat position to the child seat position, and the child seat is stored on the bottom side of the seat cushion when the seat cushion is returned to the seat position. The vehicle seat according to any one of Items 7 to 10.  12. The rotating seat back portion or the retractable child seat portion includes a child seat cushion forming portion and a child seat back forming portion, and the child seat back forming portion includes the child seat cushion forming portion. The pivotable seat back or the retractable child seat is pivotally attached to the child seat position. The vehicle seat according to any one of claims 7 to 11, wherein the child seat is formed by setting the child seat back forming portion to a child seat back forming position in the state. G.  13. The seat back is rotatable in a plurality of stages by a reclining mechanism. When the rotary seat back portion or the retractable shield seat portion is at the shield seat position, the seat back rotates forward of the vehicle. 13. The vehicle seat according to claim 12, wherein a backrest portion of the shielded seat is formed on a side of the seatback that has been moved and rotated.  1 4. In a vehicle seat equipped with a seat body consisting of a seat cushion and a seat back,  A part of the front side of the seat back is a turning seat back portion that can turn to the front side of the vehicle between the storage position and the shielded 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. The child seat is formed with the rotation of the rotating seat back from the storage position to the child seat position, and the child seat is formed of the rotating seat. A seat for a vehicle, wherein the seat is accommodated between the rotating seat back and the remaining seat back in a state where the back is returned to the storage position.  15. The child seat has a use form such as a chair or a bed, 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. Along with the rotation from the storage position or the seat position to the child seat position, it is accommodated between the remaining seat back portion, or between the retractable child seat portion and the seat back, or on the bottom side of the seat cushion, 15. The vehicle seat according to any one of claims 7 to 14, wherein the vehicle seat is in a state of use such as a chair or a bed from a small volume state.  16. A part of the child seat is connected to the rotatable seat back portion or the retractable child seat portion or the seat cushion, and the rotatable seat back portion or the retractable child seat portion or the seat cushion is provided. 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.  17. The child seat is configured to include a flexible cloth material, and the cloth material can be folded into a small volume state such as a folded state. Vehicle seat according to paragraph or 16.  18. The child seat according to claim 17, wherein the child seat is configured in a form such as a chair shape or a bed shape at the time of use such that at least an object to be held by a baby or an infant is covered by the cloth material. 18. Vehicle seat.