JP2001130297A - Seat built-in type child seat device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat built-in type child seat device which can safely accommodate even an infant of zero to one year old in a lying posture, to realize a seating position as the infant grows, and to be easily stored when not in use. SOLUTION: The seat built-in type child seat device comprises a child seat body 20 which is arranged in a base seat 12 in an embedded manner and provided in a forward-throwing type developing and storing manner, and a head rest 40 which is mounted on an upper part of the child seat body 20 in an attachable/detachable manner. An infant holding surface to hold the infant in a lying condition can be obtained only by developing the child seat body 20 from the condition stored in the base seat 12 so as to simply fall the child seat body 20, and a back side of the head rest 40 can be used as an infant head receiving surface. In addition, the base seat 12 is easily stored when not in use, and an adult and a cargo can be loaded thereon.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a child seat apparatus used when a baby is to be mounted on a motor vehicle.

[0002]

2. Description of the Related Art In a current child seat device, a device which is fixed to an existing seat using a seat belt is generally used. Met. On the other hand, Japanese Unexamined Patent Publication No. Hei 8-58444 discloses an integrated child seat in which an infant seating surface as shown in FIG. 8 is developed from a seat back and seated.

[0003]

However, the conventional one-piece child seat shown in FIG. 8 cannot carry an infant without a neck, such as a 0-1 year old child.

[0004] The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to enable an infant such as 0 to 1 year old to ride safely in a sleeping posture, and to adapt to the growth of the infant. It is an object of the present invention to provide a child seat device with a built-in seat that can be easily stored when not in use, taking a sitting posture.

[0005]

To achieve the above object, a child seat device with a built-in seat according to the present invention is provided.
A child seat body 20 disposed buried in the base sheet 12 and deployed and housed in a forwardly projecting manner.
And a headrest 40 detachably mounted on the upper part of the child seat body 20.

The headrest 40 has a rear side 42b.
May be provided with an infant head receiving recess 41.

The rear side 20b of the child seat body 20 may be formed with an infant holding concave surface 21 whose both sides 21s are higher than the central portion 21t when the child seat body 20 is deployed.

The side surface 2 of the child seat body 20
0c, when the child seat body 20 is unfolded and an infant is placed on the upper surface side, the child seat body 20
Device 50 for preventing a child from falling off from the side
May be provided.

The child seat body 20 has a two-folded structure, in which the upper surface 24 and the lower surface 26 of the child seat main body 20 are turned forward with their respective front surfaces (24a, 26a) attached. The rear side 26b of the lower portion 26 may be used as the infant seating surface 22.

[0010] The child seat body 20 when stored is stored.
The base sheet 12 immediately after the upper part of the vehicle may be provided with a headrest mounting hole 17 in which the headrest 40 detached from the child seat body 20 can be mounted.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION A child seat device with a built-in seat according to the present invention is such that a child seat main body can be unfolded and stored in a forward protruding manner on a base seat which is an adult seat of a passenger car and can store the child seat in a buried state. The headrest is detachably mounted on the upper part of the child seat body, so that the infant can be held in the sleeping position by simply deploying the child seat body from the state where the child seat is stored by pulling it down. Face can be obtained. In addition, the rear side of the headrest can be used as an infant head receiving surface. Also,
When the child seat body is stored, the front side of the child seat body can be used as an adult seat. The child seat body may be supported by means such as pivot support, hinge support, and sewing through cloth or leather.

Also, since the headrest is formed with an infant head receiving recess on the back side, the head of an infant whose neck is not seated can be received by the recess and stabilized to prepare for a side impact. it can. The headrest may be formed by assembling a block member to form an infant head receiving recess, or may be formed integrally.

[0013] Further, by forming an infant holding concave surface on both sides higher than the center portion on the back side of the child seat on which the infant seat is placed when the child seat body is unfolded, the infant seat is wrapped around the infant. It is possible to increase the safety by retaining the information.

[0014] Further, a safety device is provided on the side surface of the child seat main body to prevent the infant from falling off to the side, which is deployed on the child seat main body and arranged on the upper surface side, so that the child can be held more safely. can do. As the falling-off prevention device, for example, a fence wall-like device that rises from the side surface of the child seat body or a hill-like device that gently rises may be used.

The child seat body is formed in a folded structure of two, and is folded forward so that the upper surface and the lower surface of the child seat are attached to each other. By making the rear side of the child an infant seating surface, the child can be held in a sitting posture in accordance with the growth and physical condition of the infant. In addition, by connecting the upper part and the lower part of the child seat body having a certain thickness and stiffness to a part of the surface side as a connecting part, by making a one-way folded structure,
Even if a child is placed on the upper surface where the child seat body is unfolded and folded down and subjected to a downward load, the connecting part does not bend in an inverted letter shape, and it is easily in the direction where the front side is attached It can be folded back to realize an infant seating surface. A pivot or hinge having a limited range of motion may be used for the connecting portion.

Further, a headrest mounting hole is provided in the backrest portion of the base sheet immediately behind the upper portion of the child seat body when the child seat body is buried in the base sheet so that the headrest detached from the child seat can be mounted. This allows the headrest of the infant to be held by the headrest mounted on the backrest of the base sheet when the child seat body is folded back and deployed to hold the infant in a sitting posture.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred first embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a perspective explanatory view of a child seat device 10 with a built-in seat, and shows a state where an infant is placed and held on the upper surface side of a child seat main body 20 that is deployed forward. The child seat device 10 with a built-in seat according to the present embodiment is provided, for example, on one side of a rear seat of a normal passenger car, and FIG. 1 shows the child seat device 10 with a built-in seat without a periphery. FIG. 2 is a partially omitted side cross-sectional view of the present embodiment.
4 and a substantially horizontal seat portion 16 form an L-shape in side view.

In FIG. 1, the base sheet 12 is provided with a storage groove 18 for storing the child seat body 20 in a buried state when the child seat body 20 is set up. Storage groove 18
Is recessed from the upper end surface 14d of the backrest portion 14 to the L-shaped corner, that is, the upper surface of the seat portion 16, and the backrest portion 14
Is formed in a concave shape in plan view. In FIGS. 1 and 2, a pivot 15 is implanted from both the left and right sides below the side surface 18 c of the storage groove 18 and near the seat 16, and projects toward the inside of the storage groove 18. The child seat body 20 is pivotally attached to the base sheet 12 by the pivot 15,
The child seat body 20 disposed buried in the base sheet 12 is projected forward and is supported so as to be freely housed. In FIGS. 1 and 2, the upper end surface 14 d of the backrest portion 14 is used to store the child seat body 20 when stored.
Immediately after the headrest mounting hole 17 in which the headrest 40 detached from the child seat body 20 can be mounted.
Is opened at the upper end surface 14d of the backrest portion 14 so that the upper end surface 1
It is provided substantially perpendicular to 4d with a required depth. Above the front surface 18a of the storage groove 18, there is provided a shoulder belt mounting hole 19 for mounting a shoulder belt 32 of a child belt 30, which will be described later, and for locking or releasing as necessary.

In this embodiment, the child seat body 20 is formed by wrapping a core material such as structural urethane having a required stiffness with a soft material such as a soft urethane sponge, and further wrapping it with a skin cloth. The overall schematic shape of the child seat body 20 is a three-dimensional long rectangular shape having a required thickness, and is formed in a size that allows an infant to be placed with a margin. The front side 20 a of the child seat body 20 is formed so as to be substantially flush with the front side 14 a of the backrest portion 14 of the base sheet 12 when housed in the base sheet 12. The rear side 20b of the child seat main body 20 has a center portion 21t at both sides 21s when the child seat main body 20 is deployed.
The infant holding concave surface 21 is formed to be higher. In the embodiment, the infant holding concave surface 21 is provided as a substantially flat surface, but may be configured as a concavely curved surface.

As shown in FIG. 3, the child seat body 20 is roughly divided into an upper portion 24 and a lower portion 26 so that the child seat body 20 can be folded and two cushion members are connected by a skin cloth. It is formed as follows. And
The seam 25 is located on the front side 2 of the child seat body 20.
At 0a, they are connected by a skin cloth. As a result, even if an infant is placed on the rear side 20b, which is the upper side when the child seat body 20 is unfolded without being folded, the upper side 24
24d and the connecting end surface 26d of the lower portion 26 interfere with each other, so that they do not bend in an inverted letter shape,
It has a one-way folded structure that can be easily folded in the direction in which the surface 4a and the front side 26a of the lower portion 26 are attached.

1 and 2, a child belt 30 is provided on the concave surface 21 for holding an infant. The child belt 30 includes a shoulder belt 32, a crotch belt 34, and an abdominal buckle body 36 for gathering these in a Y-shape at the infant's abdomen. The shoulder side end of the shoulder belt 32 is a concave holding face 2 for an infant.
The crotch belt 34 is attached and locked in a shoulder belt attachment hole 28 provided in the vicinity of the upper end of the crotch 1, and the crotch side end of the crotch belt 34 is sewn and fixed in the middle of the infant holding concave curved surface 21. The shoulder belt mounting hole 28 can be locked or opened as necessary to secure the shoulder belt 3
The second shoulder side end is configured to be detachable. The abdominal buckle body 36 is formed in a three-dimensional semicircular shape having cushioning properties on both sides, and is configured such that when the infant is held in a sitting posture, the opposite surface can be used by abutting the abdomen of the infant.

The infant is placed on the central portion 21t of the infant holding concave surface 21 and the child belt 30 is worn, so that the infant is held so as to wrap the infant's body on both sides 21s higher than the central portion 21t, and the infant is protected from strong lateral impact. Can be protected. In addition, the child seat body 20 is attached to the base sheet 1.
2, the child belt 30 can be accommodated in the concave surface 21 for holding a child. A headrest mounting hole 27 is provided in the upper end surface 20d, which is the upper portion of the child seat body 20, and a latch mechanism (not shown) is provided therein.

The headrest 40 mounted in the headrest mounting hole 27 comprises a headrest body 42 and two shafts 44 implanted on the lower surface thereof. The headrest main body 42 has an infant head receiving recess 41 suitable for placing or supporting the infant's head on the rear side 42b. Also, the front side 42a of the headrest body 42
Is formed on a convex curved surface suitable for receiving an adult head. A plurality of notches (not shown) are engraved on the shaft 44 at intervals, and the latch mechanism of the headrest mounting hole 27 can hold a desired notch of the shaft 44 at an appropriate position and can be opened as necessary. The headrest 40 is detachably held as described above, and is detached from the child seat body 20 as necessary, and
In the headrest mounting hole 17.

In FIG. 2, a child seat body 20 is shown.
The headrest 40 is adjusted to the height corresponding to the adult's head as shown by the imaginary line in the state where it is stored in the base sheet 12, and in the unfolded state until it comes into close contact with the child seat body 20 as shown by the solid line Lowered to form a continuous infant holding surface. In addition, according to the configuration in which the headrest 40 is detachably mounted on the upper portion of the child seat body 20 which is one feature of the present invention, the child seat body 20 is pulled down together with the headrest from the child seat storage state suitable for boarding of an adult. Thus, a child seat that allows the infant to ride safely in the sleeping position can be displayed. In addition, by contacting the infant's head with the infant's head receiving recess 41 along the infant's head, the head of an infant whose neck is not seated, such as a 0 to 1 year-old child, is prevented from shaking. It can be supported and prepared for the impact of an accident.

In FIG. 3, the child seat body 20
When the headrest 40 is removed from the lower part 26 and the front side 24a of the upper part 24 of the child seat body 20 and the surface side 26a of the lower part 26 are made to face forward and deployed, the lower part 26 The rear side 26b can be the infant seating surface 22. At this time, the shoulder side end of the shoulder belt 32 of the child belt 30 is connected to a shoulder belt mounting hole 19 provided in the storage groove 18 of the base sheet 12, and the headrest 4
No. 0 is mounted in the headrest mounting hole 17 of the base sheet 12. Child seat device 1 with built-in seat according to the present embodiment
0 indicates that the child seat body 20 has a two-folded folding structure in one direction, so that if the child seat body 20 is unfolded and unfolded, a wide infant holding concave surface 21 is obtained, and if it is folded back and unfolded, the height is good. An infant seating surface 22 is obtained.

The infant holding concave surface 21 is more preferably formed as a continuous curved surface so as to fit the infant's body and head as described above. In addition, since the infant holding concave surface 21 and the infant head receiving recess 41 may be concave when the infant is placed, a soft cushion material is used in a portion that comes into contact with the infant, and a cushion material with a little stiffness is used in the periphery. The surface may be made concave by the weight of the infant.

Here, the operation of the first embodiment of the present invention will be described. Child seat device 1 with a built-in seat according to the first embodiment
An adult who wants to carry an infant in a passenger car equipped with a headrest 40 and a child seat body 20 from the backrest portion 14 of the base sheet 12 if the infant is an infant of 0 to 1 year without sitting on the neck. Are unfolded forward. Then, the child seat body 20 is
The front side 20a contacts the upper surface of the seat portion 16 of the base sheet 12 to form a bed-shaped infant holding concave surface 21. Here, the infant is placed, for example, on his / her back, and the child belt 30 is worn by the infant to fix the infant's body. Then, the position of the headrest 40 is moved so that the infant head receiving recessed portion 41 is appropriately brought into contact with the infant's head to complete the operation.

When the infant is slightly older and can take a sitting posture, the headrest 40 mounted on the child seat body 20 in the stowed state is removed, and the headrest mounting hole 17 provided in the backrest portion 14 immediately after the headrest 40 is removed. Attach to And the upper part 24 of the child seat body 20
Is pulled out so as to precede it, and the shoulder belt 32 of the child belt 30 is removed from the shoulder belt mounting hole 28. Then, it is folded back until the surface side 24a of the upper part 24 comes into contact with the surface side 26a of the lower part 26. Then, the lower portion 26 is developed forward from the pivot 15 of the base sheet 12, and the rear side 24 b of the upper portion 24 is brought into contact with the upper surface of the seat 16 of the base sheet 12. At this time, the rear side 26b of the lower part 26 is used as the infant seating surface 22, and the infant is seated forward. The shoulder belt 32 of the child belt 30 is attached to the shoulder belt mounting hole 19 of the base sheet 12 to fix the infant's body, and the procedure is completed. The infant is held so that the body is wrapped in the storage groove 18 and is protected from a side impact.

When an infant having a sitting height whose head is higher than the upper end surface 14d of the backrest portion 14 when the infant is seated on the infant seating surface 22, the headrest 40 is provided with the infant head receiving recessed portion 41 facing forward. Then, the headrest 40 is mounted in the headrest mounting hole 17 of the backrest 14 at an appropriate height in the direction of the headrest 40 shown in FIG. The infant's head is held so as to be wrapped in the infant head receiving recessed portion 41, and can be particularly prepared for a side impact. In the case of an infant grown to such an extent, an adult seat belt (not shown) provided on the base sheet 12 can be used in place of the child belt 30 according to the physique of the infant. When an adult or luggage is loaded, the child seat main body 20 can be easily stored in the storage groove 18 of the base sheet 12 by performing the reverse operation when the child seat main body 20 is deployed.

Next, a second embodiment of the present invention will be described with reference to FIGS.
An embodiment will be described. In the second embodiment, when the child seat body 20 is unfolded on the side surface 20c of the child seat body 20 of the first embodiment and the infant is arranged on the rear side 20b which is the upper surface side, the child seat Since the device is provided with a drop-off prevention device 50 for preventing drop-off to the side and the other configuration is almost the same as that of the first embodiment, only a portion having a different configuration and a portion newly provided are provided. Will be described.

In FIG. 3, the separation preventing device 50 is
2 and a shaft 54. The wall portion 52 is a plate-like member having a required thickness, and is formed by wrapping a structural urethane core material with a soft urethane sponge and wrapping it with a skin cloth. Two shafts 54 are implanted below one surface of the wall 52 and project vertically from the surface, and a plurality of notches (not shown) are formed on the shaft 54 at intervals. Child seat body 20 of the present embodiment
The shaft receiving holes 29 for inserting and supporting the shaft 54 are provided in the side surfaces 20 c on both sides of the shaft 20. The shaft receiving hole 29 is provided therein with a latch mechanism (not shown) which can be locked by being engaged with a required notch of the shaft 54 and opened when necessary.

The shaft receiving hole 29 can lock or release various devices having notched shafts as necessary, so that a table device 60 as shown in FIG. 5 can be mounted. The table device 60 is configured by connecting leg plates 64 to both sides of a top plate 62, and the leg plate 64 has a shaft 66 implanted therein. The top plate portion 62 and the leg plate portion 64 are connected to the wall portion 52 of the fall-off prevention device 50.
It is formed with the same internal structure as. The top plate portion 62 and the leg plate portion 64 are connected by a skin cloth so that the connection portion 68 can turn. When the shaft 66 is inserted into the shaft receiving hole 29 and locked, the leg plate portion 64 is completely fixed, so that the table device 60 is held in the table structure without particularly locking the connecting portion 68.

FIG. 7 is a side view 2 of the child seat body 20.
This shows another embodiment of the engagement means for mounting the attachment 100 such as the drop-off prevention device 50 and the table device 60 at 0c. A large-diameter protrusion 70 at the tip is implanted in the attachment 100. The large-diameter protrusion 70 at the tip of a columnar engaging portion 71 near the base vertically implanted in the attachment 100 has a disc-shaped retaining piece 72 having a diameter larger than that of the engaging portion 71.
Has been extended. The key hole-shaped receiving hole 74 is provided with
0 has a key-shaped opening including a substantially circular retaining piece through-hole 75 through which the retaining piece 72 can pass, and an engagement notch 76 provided continuously on a part of the lower side of the periphery. The inside thereof has a space into which the large-diameter protrusion 70 can be inserted. The retaining piece 72 of the large-diameter projection 70 at the tip is inserted into the retaining piece through hole 75 of the key hole-shaped receiving hole 74, and the attachment 100 is slid so that the engaging portion 71 is dropped into the engaging notch 76. The attachment 100 can be easily attached to the child seat main body 20 only by combining, and the engagement means can be extremely simplified without using a complicated mechanism.

The side 2 of the child seat body 20
The engagement means for mounting the attachment 100 such as the drop-off prevention device 50 and the table device 60 at 0c is not limited to the embodiment, and the male means provided on the attachment 100 side in the receiving hole where the female screw is threaded. Appropriate means such as screwing the screws or sticking using a hook-and-loop fastener may be used.

Now, the operation of the second embodiment of the present invention will be described. Adults carrying infants can use the child seat body 2
After the 0 is unfolded from the base sheet 12, the shaft 54 of the fall-off prevention device 50 is inserted and mounted in the shaft receiving hole 29 of the side surface 20c of the child seat body. Since the fall-off prevention device 50 forms a wall that rises sufficiently high from the upper surface of the child seat body 20 that is the infant holding surface,
It is possible to reliably prevent the infant from falling off. In addition, by separately providing a fall-off prevention device, the child seat body 20 can be provided.
Therefore, even a base sheet 12 having a thin backrest portion 14 of a mini vehicle, a commercial vehicle, or the like can be stored in a buried state.

[0036]

As described above, according to the child seat device with a built-in seat according to the present invention, the child seat body disposed buried in the base sheet and provided so as to be unfolded and stored in the forward projection shape, and the child seat Since the headrest is detachably mounted on the upper part of the main body, the headrest of the infant placed in the sleeping position on the back side of the headrest can be received, thereby improving the safety of holding the infant.

Also, since the headrest has an infant head receiving concave portion on the back side, even a 0-year-old child who does not sit on the neck can stably hold the head and hold it safely. You can protect your head or neck.

In addition, since the child seat main body is formed with an infant holding concave surface on both sides higher than the center when the child seat main body is unfolded, the child seat main body is held on the rear side so as to wrap the infant's body, and the infant is protected from the impact of an accident. The safety to protect can be improved.

Further, on the side of the child seat body,
When the child seat body is deployed and an infant is placed on the upper surface side, a detachment prevention device is provided to prevent the infant from falling off to the side from the child seat body,
The infant can be held more safely. In addition, it is possible to provide a child seat device with a built-in seat that can hold an infant safely even in a light vehicle or a commercial vehicle in which the backrest of the base sheet is thin.

The child seat body has a two-folded folded structure. The upper surface and the lower surface of the child seat body are folded over with their respective front surfaces attached to the lower surface. The rear surface of the child is used as an infant seating surface, so that the infant can be safely held in a sleeping posture or a sitting posture in accordance with the growth and physical condition of the infant.

Further, the base sheet immediately after the upper portion of the child seat main body at the time of storage is provided with a mounting hole for mounting a headrest detached from the child seat main body. As the child grows up, the headrest can receive the head to increase safety.

[0042]

[Brief description of the drawings]

FIG. 1 is a perspective explanatory view of a state in which a child seat main body is deployed from a child seat device with a built-in seat according to a first embodiment of the present invention and an infant is held.

FIG. 2 is a side sectional view partially omitted.

FIG. 3 is a partially omitted side sectional view showing a state where the child seat body is folded back and expanded.

FIG. 4 is an explanatory perspective view showing a configuration of a second embodiment.

FIG. 5 is a perspective view showing an embodiment in which a table device is mounted on the child seat body of the second embodiment.

FIG. 6 is a front view of a main part of the table device.

FIG. 7 is a perspective view showing another embodiment of the engaging means for mounting an attachment such as a fall-off prevention device to the child seat body of the second embodiment.

FIG. 8 is a perspective view of a conventional integrated child seat device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Child seat device with built-in seat 12 Base seat 17 Headrest mounting hole 20 Child seat main body 20c Side surface 20b Back side 21 Infant holding concave surface 21s Both sides 21t Central part 22 Infant seating surface 24 Upper part 24a Front side 26 Lower side 26a Front side 40 Headrest 41 Infant head receiving recess 42b Back side 50 Fall prevention device

Claims (6)

[Claims] 1. A built-in seat comprising: a child seat main body which is buried in a base sheet and is provided so as to be able to be deployed and housed in a forwardly projecting manner; and a headrest detachably mounted on an upper portion of the child seat main body. Type child seat device. 2. The child seat device with a built-in seat according to claim 1, wherein the headrest has a baby head receiving recess on the back side. 3. The child seat device with a built-in seat according to claim 1, wherein a concave face for holding a child is formed on the rear side of the child seat body when the child seat body is unfolded. 4. A detachment prevention device is provided on a side surface of the child seat main body to prevent the infant from dropping from the child seat main body to the side when the child seat main body is deployed and an infant is arranged on the upper surface side. The child seat device with a built-in seat according to any one of claims 1 to 3, which is provided. 5. The child seat body has a two-folded folding structure, wherein the upper surface and the lower portion of the child seat body are folded forward with their respective surfaces facing the upper surface and the lower portion. The child seat device with a built-in seat according to any one of claims 1 to 4, wherein the rear side is formed as an infant seating surface. 6. The child seat with a built-in seat according to claim 5, wherein a headrest mounting hole for mounting a headrest detached from the child seat main body is provided in the base sheet immediately behind the upper portion of the child seat main body when stored. apparatus.