JP7440249B2 - Inner seat for infant seating device - Google Patents

Description

The present invention relates to an infant seat device that is attached and fixed to the seat of a passenger car, and more particularly to a thin cushion (inner seat) that is attached to and removed from the infant seat device to protect a 0 to 1 year old child.

An infant seat device is also called a child seat, and protects infants and infants who are occupants from the impact of traffic accidents. A 0-year-old child, especially a newborn baby, is placed on an infant seat in a lying position. On the other hand, infant seating devices are large enough to be used by infants of 3 to 4 years of age, so when comparing the infant's body and the seat of the infant seating device, there is a noticeable difference in size. Therefore, in Patent Document 1, a box-shaped protector is attached to the seat of an infant seating device, and the infant is made to lie down on the protector. The protector protects the infant from impact and fills the gap between the infant's body and the seat of the infant seating device.

Japanese Patent Application Publication No. 2000-296734

Although infants change in body size as they grow, the size of the protector disclosed in Patent Document 1 cannot be adjusted. This makes it impossible to follow the infant's growth and protect the infant appropriately.

In view of the above-mentioned circumstances, an object of the present invention is to provide an improved size-adjustable inner sheet that is placed on a seat of an infant seating device to protect an infant.

For this purpose, the inner seat for an infant seating device according to the present invention is a cushion used in an infant seating device that is attached and fixed to the seat of a passenger car, and is placed on the seat surface of the infant seating device to protect the infant. A buttocks support part that supports the buttocks, a leg support part that is placed on the seat surface of the infant seat device and supports the infant's legs, a flexible connection part that connects these buttocks support parts and the leg support parts, and the legs. A connecting device is provided on each of the left and right portions of the support portion, and a connected device is provided on each of the left and right portions of the buttock support portion and is detachably connected to each of the connecting devices to erect the foot support portion. The foot support position adjusting means is provided for adjusting the relative distance between the buttock support part and the foot support part by changing the connection position of the connecting tool and the connected tool.

According to the present invention, the position of the foot support portion of the inner seat can be adjusted in accordance with the growth of the baby, so that the baby can be properly protected. Note that the configuration of the connecting tool and the connected tool is not particularly limited, and may include a hook and a hook hole, a button and a button hole, a pair of hook-and-loop fasteners, and the like. The connection part may be a simple seam allowance that directly connects the butt support part and the foot support part, or it may be a cloth member interposed between the butt support part and the foot support part, and there are no particular limitations. Not done. In addition, the buttocks support part, the connection part, and the foot support part may be formed integrally and the boundaries between adjacent parts may not be clearly distinguished, or they may be separate members connected inseparably. The boundaries between adjacent parts may be clearly distinguished.

The connecting position of the connecting tool and the connected tool is changed, for example, by providing a plurality of connected tools and selecting one of the plurality of connected tools and connecting it to the connecting tool. Alternatively, this can be done by providing a plurality of connectors and selecting one from the plurality of connectors and connecting it to the connector to be connected. When the connecting device and the connected device are hook-and-loop fasteners, one is a continuous large hook-and-loop fastener and the other is a small hook-and-loop fastener, and the small hook-and-loop fastener is preferably fitted to a portion selected from the large hook-and-loop fastener. When the connecting device and the connected device are buttons or hooks, it is preferable that a plurality of one is arranged intermittently and one of the other is arranged. Then, it is preferable to select one of the plurality of ones and connect it to the other of which there is only one.

As one aspect of the present invention, either the connecting device or the connected device is provided intermittently or continuously in the head-to-foot direction of the inner sheet, and a portion of the connecting device is selected and detachable from the remaining one. Such aspects, which can be coupled, adjust the coupling position of the coupling device and the coupled device. As an example, either the connecting tool or the connected tool is provided with a hook-and-loop fastener and a plurality of scales, and the hook-and-loop fastener is connected using one scale selected from these scales as a guide. According to this example, even if the connected devices are continuous, the position adjustment of the foot support part and the left and right positioning of the foot support part become easy. The shape and arrangement of the scales are not particularly limited. In another aspect, it may not have a scale.

The shape of the inner sheet is not particularly limited. By filling the left and right parts of the inner seat with padding, it is possible to absorb the impact caused by a side-on collision in a traffic accident. In a preferred aspect of the present invention, shoulder portions are provided on the left and right sides of the torso support portion, respectively. The shoulder portion includes padding and is thicker than the central portion of the torso support portion. According to this aspect, an infant can be protected from impact. In another aspect, the shoulder portion may have a smaller pad thickness than other pad-containing portions. The pad is a cushioning material having elasticity, for example, urethane foam.

Preferably, the inner sheet supports and protects the infant's entire body. A preferred aspect of the present invention further includes a head support section that supports the infant's head and a torso support section that supports the infant's torso. According to this aspect, the infant's entire body can be protected. The head support portion and the torso support portion may be integrally formed. Alternatively, the head support portion and torso support portion may be created separately and both may be sewn together. The torso support part and the buttocks support part may be integrally formed. Alternatively, the torso support part and the butt support part may be created separately and both may be sewn together.

As described above, according to the present invention, by adjusting the position of the foot support portion according to the growth of the infant, it is possible to appropriately protect the infant throughout the infant period.

FIG. 1 is a front view showing an infant seat device including an inner seat according to an embodiment of the present invention. FIG. 3 is a side view and a rear view showing the inner sheet of the same embodiment. FIG. 6 is a front view showing position adjustment of the foot support section. FIG. 6 is a front view and a side view showing position adjustment of the foot support section.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings. FIG. 1 shows an inner seat according to an embodiment of the present invention, and (A) shows a state in which the inner seat is attached to an infant seating device, and is a front view of the infant seating device. FIG. 1(B) is a front view of the inner seat taken out from the baby seat device and placed on a flat surface as seen from the front side, showing the upper surface of the inner seat. The infant seat device 100 is a so-called child seat that is placed on a seat (not shown) of a passenger car, and is fixed to the car with a seat belt (not shown) installed in the car. The infant seat device 100 has a reclining function, and can fold down the backrest member 101 to create a bed state, or raise the backrest member 101 to create a chair state. The backrest member 101 and the seat member 102 have a size sufficient for infants and young children to sit on. Therefore, the backrest member 101 and the seat member 102 are disproportionately large compared to the infant's body.

A headrest 103 is attached to the upper end of the backrest member 101. The headrest 103 can be moved toward or away from the backrest member 101, and its position can be adjusted in the vertical direction. In this embodiment, the backrest member 101 and the headrest 103 are separate members, but as a modification (not shown), the backrest member 101 and the headrest 103 may be integrated. In the following description, the left-right direction (width direction) and the head-and-foot direction refer to directions seen from the child seated on the infant seat device 100. Alternatively, the head-to-foot direction is simply referred to as the head side (as seen from the foot side) or the foot side (as seen from the head side).

An infant who can sit can use the infant seating device 100 in a chair state, or may use it in a bed state. The infant is placed directly on the backrest surface of the backrest member 101 and the seat surface of the seat member 102, and is secured by a restraint belt 104 provided on the infant seating device 100. The restraint belt 104 includes a pair of left and right shoulder belts, a pair of left and right waist belts, a crotch belt, and a buckle that detachably connects these belts.

On the other hand, infants who cannot sit up, particularly infants from newborns to 0-year-old infants, are placed on the infant seat device 100 in a bed state in a recumbent position. Since infants have small bodies, if they are placed directly on the backrest surface of the backrest member 101 and the seat surface of the seat member 102, the infant cannot be properly protected. Therefore, the inner sheet 10 is laid on the surfaces of the backrest member 101 and the seat member 102, and the infant is placed on the upper surface of the inner sheet 10. The inner sheet 10 is one member including a head support section 11 , a torso support section 21 , a buttocks support section 31 , a connecting section 41 , and a leg support section 51 . These parts are successively connected in this order in the direction of the baby's head and feet, and support the baby's head, torso, buttocks, and feet, respectively. The head support section 11, the torso support section 21, the buttocks support section 31, and the foot support section 51 are made of a cushioning material such as urethane foam, and the front and back surfaces are covered with a cloth material. On the other hand, the connecting portion 41 is made of a flexible material, such as cloth, and does not include a cushioning material. The connecting part 41 has the least shape retention among the parts of the inner sheet 10, and allows changes in the relative positions of the buttocks support part 31 and the leg support part 51.

The inner seat 10 is attached to or removed from the backrest surface and the seat surface of the infant seating device 100. When the inner sheet 10 is placed on the infant seating device 100 in a bed state, the torso support portion 21 deforms to follow the surface irregularities of the backrest member 101 and the seat member 102, and the left and right portions of the inner sheet 10 are moved relative to the center portion. Get up diagonally. This protects the infant's body. The fabric sheet covering the frame of the backrest member 101 and the frame of the seat member 102 constitutes a backrest surface and a seat surface, and is an essential seat for the infant seating device 100, and can be selectively attached to and detached from the infant seating device 100. This is distinguished from the inner sheet 10 of this embodiment.

The head support portion 11 includes a central portion 12, a left portion 13, a right portion 14, and a top portion 15. The left portion 13 extends to the left edge of the central portion 12, and the right portion 14 extends to the right edge of the central portion 12. The top part 15 is installed between the upper edge of the left part 13 and the upper edge of the right part 14, and makes the left part 13 and the right part 14 stand up with respect to the center part 12, and the top part 15 itself is also connected to the center part 12. stand up against That is, the head support part 11 is formed three-dimensionally and surrounds the baby's head from three sides to protect it from collisions in traffic accidents. The central portion 12 is placed on the surface of the headrest 103 (FIG. 1) or the backrest surface of the backrest member 101 to support the baby's head.

For shape retention and protection, the top portion 15 incorporates a board material that is harder and stiffer than the cushion material, such as a resin board such as a polypropylene board. Thereby, the head support portion 11 maintains its three-dimensional shape. In this embodiment, the top portion 15 is separated from the center portion 12, but as a modification (not shown), the top portion 15 may be connected to the center portion 12 without a gap.

The lower edge of the central portion 12 is joined to the upper edge of the torso support 21 by a narrow connecting portion 16 . The connecting portion 16 is arranged at the center in the left-right direction. Slits 17 and 18 are formed between the central portion 12 and the torso support portion 21 on the left and right sides with the connecting portion 16 in between. The shoulder belt of the restraint belt 104 is passed through each slit 17, 18. The connecting portion 16 and the slits 17 and 18 form the boundary between the head support portion 11 and the torso support portion 21.

The torso support portion 21 includes a central region 22 and shoulder portions 23 and 24 extending from left and right edges of the central region 22 on the head side. A buttocks support portion 31 is continuous to the lower edge of the central region 22. When the torso support part 21 is placed on the backrest surface of the backrest member 101, the central region 22 supports the infant's torso (particularly the back), and the pair of left and right shoulder portions 23 and 24 face the infant's shoulders. and protect infants from side collisions in traffic accidents.

A slit 32s is formed in the center of the buttock support part 31 in the left-right direction. The crotch belt of the restraint belt is passed through the slit 32s. A left portion 33 and a right portion 34 extend from the left and right edges of the buttock support portion 31 . In a state where the butt support part 31 is placed on the seat surface of the seat member 102, the butt support part 31 supports the infant's waist, and the pair of left and right parts 33 and 34 surround the infant's waist from the left and right sides. to protect against side collisions in traffic accidents. Further, the left portion 33 and the right portion 34 are removably connected to a left portion 53 and a right portion 54 of a foot support portion 51, which will be described later.

As shown in FIG. 1(B), the region from the torso support section 21 to the buttocks support section 31 of the inner sheet 10 has a concave shape in the shape of an arc at the left and right edges, respectively. As a result, the inner sheet 10 is formed to be wide at the pair of left and right shoulder parts 23 and 24 and the pair of left and right parts 33 and right part 34, and narrow at the boundary between the torso support part 21 and the buttocks support part 31. be done. Note that the head support section 11, the torso support section 21, and the buttock support section 31 are sewn together, and the boundary between the torso support section 21 and the buttock support section 31 does not need to be clearly distinguished.

A foot support section 51 is arranged on the foot side of the buttock support section 31. The connecting portion 41 is sewn to the lower edge of the buttock support portion 31 and the upper edge of the foot support portion 51, and connects the buttock support portion 31 and the foot support portion 51 inseparably.

The foot support portion 51 is formed to be wider than the dimension from the left portion 33 to the right portion 34, or to have the same width dimension as the dimension from the left portion 33 to the right portion 34, although not shown. The foot support portion 51 includes a central portion 52, and a left portion 53 and a right portion 54 extending from the left and right edges of the central portion 52, respectively. Hook-and-loop fasteners 55 and 56 as connectors are provided on the upper surfaces of the ends of the left portion 53 and the right portion 54. The foot support section 51 is placed on the seat surface of the seat member 102 to protect the infant's feet.

FIG. 2(A) is a side view of the inner sheet as seen from the right side with the inner sheet standing still on a flat surface. FIG. 2(B) is a rear view of the inner sheet seen from the back side with the inner sheet left still on a flat surface, showing the lower surface of the inner sheet. The central portion 12, the central region 22, and the buttocks support portion 31, which support the baby's weight, have approximately the same cushion thickness. The left portion 13, the right portion 14, and the top portion 15 are padded and have a thicker cushioning thickness than the central portion 12. The shoulder parts 23 and 24 are also filled with pads that are slightly larger than the infant's shoulders, and the cushion thickness is thicker than that of the left part 13 and the right part 14. In other words, the shoulder portions 23 and 24 are formed to be the thickest among the respective portions of the inner sheet 10. Note that the pad is a firm cushioning material that is formed into a shape that corresponds to each part, and has excellent shock absorption. The shoulder portions 23 and 24 are bag-shaped, and the pad can be taken in and out through slits 25 formed on the lower surfaces of the shoulder portions 23 and 24.

The center portion 52 is made thicker than the buttock support portion 31. For shape retention and protection, the central portion 52 incorporates a board material that is harder and stiffer than the cushioning material, such as a resin board such as a polypropylene board. In contrast, the left portion 53 and the right portion 54 are bendable.

Referring to FIG. 2(B), hook-and-loop fasteners 35 and 36 are provided on the lower surfaces of the left portion 33 and the right portion 34 as connected devices. The hook-and-loop fasteners 35 and 36 have a wider area than the hook-and-loop fasteners 55 and 56 described above (FIG. 1(B)), and each hook-and-loop fastener 35 and 36 is provided with scales b, c, and d. The shape of each scale b, c, d extends in an arc and corresponds to the shape of the hook-and-loop fasteners 55, 56. The scales b, c, and d are arranged in this order from the head side to the foot side, and are arranged symmetrically.

Next, the foot support position adjusting means for adjusting the relative distance between the buttock support section 31 and the foot support section 51 will be explained. FIG. 3(A) is a front view showing a state in which the foot support part 51 is set at the closest position to the buttocks support part 31 by the foot support position adjustment means. FIG. 3(B) is a front view showing a state in which the foot support part 51 is set at an intermediate position away from the buttocks support part 31 by the foot support position adjustment means. FIG. 4 is a diagram showing a state in which the foot support part 51 is set to the farthest position from the buttocks support part 31 by the foot support position adjustment means, with (A) showing a front view and (B) showing a side view. represent.

Regardless of whether the foot support section 51 is in the close position shown in FIG. 3(A), the intermediate position shown in FIG. 3(B), or the remote position shown in FIG. 32, the left portion 33 and right portion 34 of the butt support portion 31 stand up relative to the center portion 32, and the left portion 53 and right portion 54 of the leg support portion 51 stand up relative to the center portion 52. The left portions 33, 53 are connected to each other by the aforementioned hook-and-loop fasteners 35, 55, and the right portions 34, 54 are connected to each other by the aforementioned hook-and-loop fasteners 36, 56.

When a newborn baby is to lie down on the upper surface of the inner sheet 10, the newborn baby is set in the close position shown in FIG. 3(A). At this time, each hook-and-loop fastener 55, 56 is aligned with the scale b of each hook-and-loop fastener 35, 36. Scale b is provided on the head side as shown in FIG. 4(B).

When an infant who has grown from a newborn baby is to lie down on the upper surface of the inner seat 10, the inner seat 10 is set at an intermediate position shown in FIG. 3(B). At this time, each hook-and-loop fastener 55, 56 is aligned with the scale c of each hook-and-loop fastener 35, 36. The scale c is provided on the foot side as shown in FIG. 4(B).

As the infant grows further, it is set to the remote position shown in FIG. At this time, each hook-and-loop fastener 55, 56 is aligned with the scale d of each hook-and-loop fastener 35, 36. The scale d is provided further toward the foot than the scale c, as shown in FIG. 4(B).

According to the present embodiment, the hook-and-loop fastener 35, which is a connector of the left portion 33, and the hook-and-loop fastener 56, which is a connected device of the left portion 53, can be connected to each other in one positional relationship selected from a plurality of positional relationships. Therefore, the size of the inner sheet 10 can be changed according to the growth of the baby. Therefore, the infant's feet can be appropriately protected. In addition, the inner seat 10 surrounds the infant while reducing the gap between the infant and the infant seat device 100, thereby giving the infant a sense of security.

Note that the shapes and arrangement of the scales b, c, and d shown in FIGS. 2(B) and 4(B) are exemplary, and the hook-and-loop fasteners can be connected at any arbitrary location. This allows fine position adjustment of the foot support section 51.

Further, in this embodiment, the left portion 53 and the right portion 54 are arranged outside the left portion 33 and the right portion 34 in the left-right direction, and are connected to the lower surfaces of the left portion 33 and the right portion 34. As a result, no step is formed on the upper surface of the buttock support portion 31, and the sitting comfort is not impaired.

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the illustrated embodiments. Various modifications and variations can be made to the illustrated embodiment within the same scope as the present invention or within an equivalent scope. For example, a part of the configuration may be extracted from the one embodiment described above, another part of the configuration may be extracted from another embodiment not described above, and these extracted configurations may be combined.

The present invention is advantageously utilized in childcare equipment.

10 inner seat, 11 head support section,
21 Torso support part, 22 Central region, 23, 24 Shoulder part,
31 butt support part, 35, 36 hook and loop fastener, 41 connection part,
51 Foot support part, 55, 56 Velcro fastener,
12, 32, 52 center part, 13, 33, 53 left part,
14, 34, 54 Right part, 100 Infant seat device,
101 backrest member, 102 seat member, 103 headrest,
104 Restraint belt, b, c, d scale.

Claims (4)

A cushion used for an infant seating device placed on a passenger car seat,
a buttocks support part that is placed on the seat surface of the infant seat device and supports the buttocks of the infant;
a foot support section that is placed on the seat surface of the infant seating device and supports the infant's feet;
a flexible connection part that connects the buttocks support part and the leg support part with a space therebetween;
A connecting device provided on each of the left and right portions of the foot support portion, and a connected device provided on each of the left and right portions of the buttocks support portion and removably connected to each of the connecting devices to erect the foot support portion. and a foot support position adjusting means for adjusting the relative distance between the buttocks support part and the foot support part by changing the connection position of the connecting tool and the connected tool to keep the foot support part in an upright state. An inner seat for an infant seating device, comprising: Either the connecting device or the connected device is provided intermittently or continuously in the head-to-foot direction of the inner sheet,
The inner sheet according to claim 1, wherein a portion is selected from one of the two and removably connected to the remaining one. The inner sheet according to claim 1 or 2, further comprising a head support section that supports the infant's head and a torso support section that supports the infant's torso. Shoulder portions extend from the left and right edges of the torso support portion, respectively;
The inner sheet according to claim 3, wherein the shoulder portion includes a pad and is thicker than the central portion of the torso support portion.

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