JP6198912B1 - child seat - Google Patents

Abstract

To provide a child seat with a side wall that allows an adult to sit without removing it from an automobile seat. A child seat 100 of the present invention includes a child seat body 10 fixed to a vehicle and a safety belt 90 for fixing an infant to the child seat body 10. The child seat body 10 includes a seating portion 1, a backrest portion 2, and a pair of left and right side walls 3 and 3 that are rotatably connected to the backrest portion 2. The pair of side walls 3, 3 includes a plurality of partial side walls 31, 32 that are connected to each other so as to be overlapped with each other. The pair of side walls 3, 3 are each deployed in a single plate shape and are opposed to each other in the width direction of the seating portion 1 across the seating portion 1, and a plurality of partial side walls 31, 32 are overlapped. It can rotate with respect to the backrest part 2, and can change an attitude | position between the accommodation attitude | positions accommodated in the back from the surface of the backrest part 2. FIG. [Selection] Figure 1

Description

  The present invention relates to a child seat that can be seated by an adult without being removed from the seat of an automobile.

  Conventionally, when an adult is seated in a car seat to which a child seat is attached, it has been necessary to remove the child seat from the seat and store it in the trunk room. Therefore, it takes time and effort to remove the child seat, and there is a space for storing the child seat in the trunk. There was a problem that it was necessary.

  Therefore, Patent Document 1 proposes a vehicle seat that can be used as a child seat as necessary. The child seat of Patent Document 1 is provided with a storage portion that can be opened and closed with a fastener on both the left and right sides of a backrest portion of a vehicle seat, and a left-side storage portion is provided with a cloth-shaped body holding body that covers substantially the entire body of the infant. The upper and lower two belts are stored in the storage unit on the right side, and a child seat is provided by connecting the body holder to these two belts.

JP 2000-272389 A

  However, because the UN European Economic Commission's “New Agreement on Juvenile Auxiliary Riding Equipment” Regulation No. 129 has been introduced into the national standards and side collision standards have been added, child seats will be mitigated by side collisions. Therefore, the vehicle seat of Patent Document 1 has a problem that the rule is not satisfied.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a child seat with a side wall that does not need to be removed from the seat of an automobile.

  The invention made to solve the above problems is a child seat that can be seated not only by an infant but also by an adult, comprising a child seat body fixed to a car, and a safety belt for fixing the infant to the child seat body, The child seat body has a seating portion, a backrest portion connected to a rear end of the seating portion, and a pair of left and right side walls rotatably connected to the backrest portion, and the pair of side walls includes: A plurality of partial side walls connected to each other so as to be superposed on each other, each of which is deployed in a single plate shape and is opposed to each other in the width direction of the seating portion across the seating portion; It is characterized in that the posture can be changed between a stowed posture that is pivoted with respect to the backrest portion in a superposed state and is stored rearward from the surface of the backrest portion.

Since the child seat of the present invention is thus provided with a pair of side walls that are opposed to each other with the seating portion interposed therebetween, the impact applied to the infant from the side can be mitigated.
In addition, since the side wall is folded, it can be stored behind the surface of the backrest portion, so that the backrest can be kept out of the way when an adult sits down.

  The child seat body includes first connecting means for rotatably connecting the backrest and the side wall, and second connecting means for connecting the plurality of partial side walls to each other. A rear partial side wall connected to the backrest portion by one connecting means, and a front partial side wall connected to the rear partial side wall by the second connecting means. The first connecting means is integrally formed in a state where the side wall is rotated around the vertical axis by the second connecting means and overlapped with the rear partial side wall, and the front partial side wall and the rear partial side wall are overlapped. It is preferable to be configured to shift to a storage posture stored on the right side or the left side of the backrest portion by rotating around the vertical axis. In this way, by storing the side wall on both the left and right sides of the backrest part, the side wall can be used as the backrest, so that the backrest is widened and an adult can sit more comfortably.

In the child seat of the present invention, the child seat body includes first connecting means for rotatably connecting the backrest portion and the side wall, and second connecting means for connecting the plurality of partial side walls to each other, 1st connection means consists of a universal joint or a universal clamp, The said side wall comprises L shape in the expansion | deployment attitude | position, 1st part which makes the one end part of the said L shape, and is located in the upper side and back side A third side wall, a second partial side wall that forms a corner portion of the L-shape and is positioned on the lower side and the rear side, and a third side wall that forms the other end portion of the L-shape and is positioned on the front side and the lower side And the first partial side wall, the second partial side wall, and the third partial side wall are configured to be superimposed on three sheets by the second connecting means, The first partial side wall In the open posture, the upper and rear corners are connected to the backrest portion by the first connecting means, and the side walls overlap the first, second, and third partial side walls. In this state, it may be configured to be retractable above and behind the backrest portion by being rotated by the first connecting means.
Thus, by storing the side wall above and behind the side wall, even when there is no space for storing the side wall on the side of the backrest portion, the side wall can be stored so that it does not get in the way when an adult sits down. .
Here, the “universal joint” refers to a joint that connects two connected objects connected by the universal joint so as to be relatively rotatable around at least two axes having angles. In addition, “universal clamp” connects two single clamps that clamp the outer periphery of a rod-like material such as a pipe so that they can rotate relative to each other perpendicular to both axes of the two rod-like materials sandwiched between them. Shall be a clamp.

  The seating portion includes a board placed on a car seat, an infant seat placed at the center in the left-right direction of the board, and a pair of adults placed on both left and right ends of the board. It is preferable to have an auxiliary seating part. By doing so, the seating portion can be widened and an adult can sit more comfortably.

  The seat portion and the backrest portion may be configured to be embedded in a car seat. By doing so, since the seating portion does not rise, it is possible to prevent the head from hitting the ceiling of the car when an adult sits down.

  It is preferable that the child seat body has a head protection cushion for protecting the infant's head, and the head protection cushion is configured so as to be able to rotate upward and backward with respect to the backrest portion. . In this way, when the infant sits down, the head of the infant can be effectively protected, and when the adult sits down, the head protection cushion can be stored so as not to get in the way.

  The seat portion includes a crotch portion fixing belt extending in the left-right direction, the backrest portion includes a back portion fixing belt extending in the left-right direction, and the safety belt includes a belt-like crotch portion extending in the front-rear direction between the infant's crotches, A back part located on the back of the infant, the crotch fixing belt is passed through a pair of left and right slits on the back part, and the back fixing belt is passed through the crotch part so as to be detachable from the child seat body. It is preferable to be connected. By doing this, it is possible to detach from the child seat body while the infant is wearing the safety belt.

  As described above, according to the child seat of the present invention, when the infant is seated, the impact from the side can be effectively mitigated, and when the infant is not in use, the adult is comfortable. I can sit down.

It is a perspective view which shows a mode that the infant was seated by developing the side wall of the child seat which concerns on 1st Embodiment of this invention. In the child seat main body of FIG. 1, it is the perspective view which showed the state which has a side wall and a head protection cushion in a stowed attitude | position. In the child seat main body of FIG. 1, it is the perspective view which showed the state which has a side wall and a head protection cushion in a deployment attitude | position. It is the left view which showed the child seat main body of FIG. 1 in the state which removed the auxiliary seating part for adults. It is the rear view which spread the safety belt shown in Drawing 1 in the shape of a plane, and was seen from the outside. It is a front view in the state where the front belt and waist belt of the safety belt shown in FIG. 5 were fastened. It is explanatory drawing which showed the mode of the change from the expansion | deployment attitude | position of the side wall of the child seat which concerns on 2nd Embodiment of this invention to an accommodation attitude | position. 8A is a front view of the universal clamp shown in FIG. 7 in a state in which the axial directions of the two single clamps are aligned, and FIG. 8B is a front view of the state in which the axial directions of the two single clamps are orthogonal to each other.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the following embodiments.
(First embodiment)
FIG. 1 shows a child seat 100 according to the first embodiment of the present invention. The child seat 100 is a so-called ISOFIX child seat, and includes a child seat body 10 and a safety belt 90.

  The child seat body 10 mainly includes a seating portion 1, a backrest portion 2 connected to the rear of the seating portion 1, and a pair of left and right side walls 3 and 3 facing in the width direction of the seating portion 1.

  As shown in FIG. 2, the seating unit 1 includes a board 11 placed on a seating surface A of an automobile seat, an infant seating part 12 placed in the center of the board 11 in the left-right direction, It has a pair of auxiliary seating portions for adults 13 and 13 mounted on both left and right ends.

  The board | substrate 11 consists of a rectangular plate-shaped member made from hard resin, forms the bottom wall of the seating part 1, and supports the whole child seat main body. As shown in FIG. 2, the front end of the substrate 11 is fixed to the seat surface A of the automobile by a pair of left and right sliding universal fixing brackets 9 and 9, and the leg protection device 7 at the center in the left and right direction is the floor of the automobile. It is fixed to the surface. The rear end of the board 11 is fixed by engaging a pair of left and right connectors (not shown) with a bracket (not shown) attached to the lower part of the backrest B of the automobile seat. The leg protection device 7 can be adjusted in length by sliding the upper and lower two parts together. The leg protection device 7 is provided to limit the pitch rotation of the child seat body. The substrate 11 is not limited to a hard resin, and a metal, wood, or other known material can be used as appropriate.

  The infant seat 12 includes a substantially rectangular infant seat cushion 121 in which a urethane pad is covered with a wool moquette, and a hard resin seat intermediate plate 122 attached to the lower surface of the infant seat cushion 121. A pitch angle adjusting device 123 that adjusts the pitch angle of the infant seating portion 12 with respect to the substrate 11 is provided between the seating portion intermediate plate 122 and the substrate 11.

  The infant seating portion 12 is provided with three crotch portion fixing belts 14 extending in the left-right direction. The crotch portion fixing belt 14 is fixed to the infant seat cushion 121 at both ends so as not to be detached, and is fixed to the infant seat cushion 121 by belt loops 14 a provided at two intermediate positions. The crotch fixing belt 14 can be removed from the belt loop 14a by removing the buckle 14b.

  The adult auxiliary seat 13 is formed in the shape of a rectangular parallelepiped from the same material as the infant seat cushion 121, and is adhered to the substrate 11. The adult auxiliary seat 13 is flush with the infant seat 12 when the infant seat 12 is horizontal.

  As shown in FIG. 4, the backrest 2 is configured to support the back cushion 22 by a back support substrate 21 from the back side. A back middle plate 23 is provided between the back support substrate 21 and the back cushion 22. The back support substrate 21 is configured such that the angle with the substrate 11 can be adjusted by the reclining operation rod 8 in accordance with the backrest angle of the seat surface A of the automobile.

  As shown in FIG. 2, the back cushion 22 is provided with three back fixing belts 24, 24, 24 extending in the left-right direction. Both ends of the back fixing belt 24 are connected to the back cushion 22 so as not to fall off, and are fixed to the back cushion 22 by belt loops 24a provided at three positions at intermediate positions. Further, the back fixing belt 24 can be separated from the belt loop 24a by being separated by the buckle 24b.

  A U-shaped head protection cushion 6 is provided on the backrest 2 so as to protect the infant's head from three directions. The head protection cushion 6 is connected to the back support substrate 21 by a suspension band 61. When an infant sits down, the head protection cushion 6 is suspended from the front upper part of the backrest 2 and when an adult sits down, as shown in FIG. Then, it is flipped up to the back of the backrest part 2, and the both side parts 6a, 6a are spread and stored in a plate shape.

  The side wall 3 includes a rear partial side wall 31 that is the rear side (the rear side of the automobile) and a front partial side wall 32 that is the front side in the deployed posture illustrated in FIGS. 1 and 3. The rear partial side wall 31 and the front partial side wall 32 are respectively provided with side cushions 31a and 32a on the inner surface (surface facing the seated infant) side when deployed, and provided with cushion back plates 31b and 32b on the outer surface side. Yes.

  The rear partial side wall 31 is rotatably connected to the backrest portion 2 by first connecting means 4 (see FIG. 4) made of a strip-like fabric stitched to the side surface of the side cushion 31a and the side surface of the back cushion 22. Has been. The rear partial side wall 31 rotates around the vertical axis with respect to the backrest 2.

  The cushion back plate 31b of the rear partial side wall 31 and the cushion back plate 32b of the front partial side wall 32 are connected by the second connecting means 5 (see FIG. 4) made of a metal hinge, and the front partial side wall 32 is It is connected to the side partial side wall so as to be rotatable around the vertical axis.

  Further, as shown in FIG. 4, the side wall 3 has, on the outer surface side, one kanuki 33 made of a metal rod that slides in the horizontal direction and two kanuki 34 made of a metal plate that slides in the vertical direction. I have. The cannula 33 slides forward (to the right in FIG. 4) when the side wall 3 is unfolded to prevent the both sides from bending over the front side wall 32 and the rear side wall 31. Then, it slides backward and is accommodated in the rear partial side wall 31 so that the side wall 3 can be folded.

  When the side wall 3 is unfolded, the cannula 34 slides downward (downward in FIG. 4), engages with a key hole 11 a provided in the substrate 11, fixes the side wall 3 to the substrate 11, and stores the side wall 3. Sometimes, it slides upward and is stored in the side wall 3 so that the side wall 3 can be folded. Moreover, the cannulas 33 and 34 are accommodated in the recesses provided in the cushion back plates 31b and 32b when the side wall 3 is accommodated so as not to disturb the folding.

  The safety belt 90 is integrally formed by punching one piece of fabric with a Thomson mold. The safety belt 90 only includes a seam for preventing fraying of the fabric such as a festival stitch, and does not include a stitch line for connecting the fabric.

  As shown in FIG. 5, the safety belt 90 includes a neck portion 94 formed of a circular through-hole through which the infant's neck passes at an intermediate position in the longitudinal direction, and one end side in the longitudinal direction from the neck portion 94 to the infant's ventral side ( A pair of left and right front belts 95, 95 extending to the lower side, a back portion 92 extending from the neck portion 94 to the other end side in the longitudinal direction on the infant's back side (the upper side in FIG. 5), and a pair of left and right from the back portion 92 A pair of left and right connecting belts for connecting the substantially triangular waist belts 96, 96 extending, a belt-like crotch portion 91 extending further from the back portion 92 to the other end side, a front belt 95, and the waist belt 96. 98, 98 are provided.

  Next, the usage effect of the child seat 100 and the effect by the structure of each part are demonstrated. When using the child seat 100, first, the infant is caused to wear the safety belt 90. When wearing the safety belt 90, after passing the infant's neck through the neck 94, the male buckle 99a of the front belt 95 is connected to the female buckle 99b of the crotch portion 91 as shown in FIG. Subsequently, the connecting belt 98 is connected to a through hole 97 a provided at the base end of the front belt 95, a through hole 97 b provided at the front end of the front belt 95, and a through hole provided at the front end of the waist belt 96. The waist belt 96 is fixed to the front belt 95 by inserting it into the belt 96a and connecting both ends of the connecting belt 98 with buckles 98a.

  When the infant wears the safety belt 90, the back fixing belt 24 of the child seat body 10 is inserted into the slit 93 of the safety belt 90 and fixed by the buckle 24b. Among the three back fixing belts 24, one having an appropriate height is selected according to the size of the infant's body. Here, the back fixing belt 24 is configured so that the safety belt 90 is not laterally displaced from the child seat body 10 by passing the back belt 24 a alternately through the belt thread 24 a and the slit 93. Subsequently, the crotch portion fixing belt 14 is inserted into the crotch portion 91 of the safety belt 90. Also, the crotch fixing belt 14 is selected from among the three at appropriate positions according to the size of the infant's body. The crotch portion 91 is also configured so as not to be laterally displaced with respect to the child seat body 10 by being fixed so as to be sandwiched between the pair of belt loops 14a and 14a.

  However, the safety belt 90 may be connected to the child seat body 10 in advance so that the child can wear it.

  When the infant is seated on the child seat body 10, the pair of left and right side walls 3 and 3 are rotated from the stowed posture shown in FIG. 2 to change the posture to the deployed posture shown in FIG. The side walls 3 and 3 are fixed to the deployed posture by the cannulas 33 and 34.

  To release the infant from the child seat 100, the male buckle 99a is detached from the female buckle 99b. Then, since the front belt 95 is separated from the crotch portion 91 and the left and right waist belts 96 are separated, the safety belt 90 can be removed from the infant with one touch.

  When an adult sits on the child seat 100 from the state shown in FIG. 3, the cannulas 33 and 34 are released, and the front partial side wall 32 is rotated around the vertical axis by the second connecting means 5 and the rear partial side wall Then, the front partial side wall 32 and the rear partial side wall 31 are integrally rotated around the vertical axis by the first connecting means 4, and as shown in FIG. Storing on the left and right sides. At this time, the side cushion 31a of the rear partial side wall 31 faces frontward and is flush with the back cushion 22. Thereby, since the cushion used as a backrest becomes wide, an adult can sit down comfortably.

(Second Embodiment)
Next, the child seat 200 according to the second embodiment of the present invention will be described.
The child seat 200 includes a child seat main body 210 and a safety belt 90.
Note that in the second embodiment, members that are the same as those in the first embodiment are given the same reference numerals, and descriptions thereof are omitted.

  In the second embodiment, as shown in FIG. 7, the backrest 202 is embedded in the backrest B of the car seat, and although not shown, the seating section 1 is also embedded in the seating surface A. Thereby, a taller adult can sit on the child seat 200.

As shown in FIG. 7, the side wall 203 is substantially L-shaped like the side wall 3 of the first embodiment, and is a first partial side wall that forms one end side of the L-shape (the rear side and the upper side of the side wall 203). 231, a second partial side wall 232 forming the corner of the L shape (the rear side and the lower side of the side wall 203), and a second partial side wall 232 forming the other end side of the L shape (the front side and the lower side of the side wall 203). Second partial side wall 233, the first partial side wall 231 and the second partial side wall 232, and the second partial side wall 232 and the third partial side wall 233 are each a second connecting means comprising a cloth hinge. They are connected at 205.
On the rear end surface of the first partial side wall 231, a connecting shaft 243 made of a circular tube whose longitudinal direction is the longitudinal direction of the vehicle is protruded so as to be freely inserted and removed. A slide shaft 242 made of a circular tube is provided behind the backrest 202 so as to extend in the left-right direction of the vehicle slightly above the upper end of the backrest 202. The connecting shaft 243 and the slide shaft 242 are connected to each other by a universal clamp 204 so as to be rotatable. As shown in FIG. 8, the universal clamp 204 includes two annular single clamps 204a and 204b and a rotating shaft 204c for connecting them, and the two single clamps 204a and 204b are both of them. It is configured to be relatively rotatable about an axis perpendicular to the axis. The single clamp 204a holds the slide shaft 242 and the single clamp 204b holds the connecting shaft 243. The single clamps 204a and 204b are opened and closed by a hinge 204e and a screw 204d.
When the single clamp 204a is loosened, the side wall 203 can be slid left and right along the slide shaft 242 as shown by a straight arrow in FIG.
In addition, the first to third partial side walls are provided with a kanuki (not shown) in order to fix each other or to the seat portion 1.
However, in this embodiment, a universal joint such as a ball joint or a universal joint may be used instead of the universal clamp 204.

When storing the side wall 203, first, the third partial side wall 233 is rotated in the direction indicated by the arc-shaped arrow in FIG. 7A, and as shown in FIG. It overlaps with the partial side wall 232. Next, the second and third partial side walls 232 and 233 are integrally rotated as shown by an arc-shaped arrow in FIG. 7B, and the first side wall 232 and 233 are rotated as shown in FIG. Is overlapped with the partial side wall 231. Subsequently, the single clamp 204a is loosened, and the first to third partial side walls 321, 322 and 323 are integrated with each other as shown by an arc-shaped arrow in FIG. Clamp) 204 is rotated around slide shaft 242 and flipped up backward as shown in FIG. 7 (d). As shown by the straight arrows in FIG. 7 (d), first to third portions The side walls 321, 322, and 323 are integrally slid forward along the connecting shaft 243. Finally, as indicated by an arc-shaped arrow in FIG. 7D, the first to third partial side walls 321, 322, and 323 are integrally rotated around the connection shaft 243 by the first connecting means 204. It is moved and stored in the posture shown in FIG.
Thus, since the side wall 203 is accommodated upward and rearward, a space in which an adult can sit can be widened.

  The child seat of this invention is not restricted to said embodiment, For example, you may comprise a side wall with four or more partial side walls. The safety belt is not limited to the one described above, and any known belt can be used as appropriate, and can be attached to the child seat body by a known method regardless of the crotch fixing belt or the back fixing belt. The safety belt may be used by both infants and adults. The pitch rotation may be limited by a top tether instead of the leg protection device. The attachment to the vehicle is not limited to ISOFIX, and a seat belt provided in an automobile may be used. The material of each part is not limited to the above, and a known material can be appropriately selected.

100, 200 Child seat 10, 210 Child seat body 90 Safety belt 1 Seating part 11 Substrate 12 Infant seating part 13 Adult auxiliary seating part 14 Crotch part fixing belt 2, 202 Backrest part 231 First partial side wall 232 Second partial side wall 233 Third partial side wall 24 Back fixing belt 3,203 Side wall 31 Rear partial side wall 32 Front partial side wall 4,204 First connecting means 5,205 Second connecting means 6 Head protection cushion 91 Crotch part 92 Back part 93 slit

Claims (7)

Child seats that can be seated not only by infants but also adults,
Child seat body fixed to the car,
A safety belt for fixing an infant to the child seat body;
The child seat body includes a seating portion, a backrest portion connected to a rear end of the seating portion, and a pair of left and right side walls rotatably connected to the backrest portion,
The pair of side walls include a plurality of partial side walls connected to each other so as to be superposed on each other, each deployed in a single plate shape and facing the width direction of the seating portion across the seating portion; A child seat characterized in that the child seat is capable of changing its position between a storage posture stored behind the surface of the backrest portion by rotating with respect to the backrest portion in a state where the plurality of partial side walls are overlapped. The child seat body includes first connection means for rotatably connecting the backrest portion and the side wall, and second connection means for connecting the plurality of partial side walls to each other,
The side wall includes a rear partial side wall connected to the backrest portion by the first connecting means;
A front partial side wall coupled to the rear partial side wall by the second coupling means;
From the deployed position, the front partial side wall is rotated around the vertical axis by the second connecting means and overlapped with the rear partial side wall, and the front partial side wall and the rear partial side wall are overlapped. 2. The child seat according to claim 1, wherein the child seat is configured to be moved to a storage posture stored on the right side or the left side of the backrest portion by being rotated about the vertical axis by the first connecting means. The child seat body includes first connecting means for rotatably connecting the backrest and the side wall, and second connecting means for connecting the plurality of partial side walls to each other,
The first connecting means comprises a universal joint or a universal clamp,
The side wall has an L-shape in its deployed posture, and forms a L-shaped one end portion and is located on the upper side and the rear side, and an L-shaped corner portion and on the lower side and the rear side. A second partial side wall that is positioned, and a third partial side wall that forms the other end of the L-shape and is positioned on the front side and the lower side,
The first partial side wall, the second partial side wall, and the third partial side wall are configured to be superimposed on three sheets by the second connecting means,
The first partial side wall is connected to the backrest portion by the first connecting means at the upper and rear corners in the deployed posture,
The side wall is configured to be retractable above and behind the backrest portion by being rotated by the first connecting means in a state where the first, second and third partial side walls are overlapped. The child seat according to claim 1.   The seating portion includes a board placed on a car seat, an infant seat placed at the center in the left-right direction of the board, and a pair of adults placed on both left and right ends of the board. The child seat according to any one of claims 1 to 3, further comprising an auxiliary seating portion.   The child seat according to any one of claims 1 to 4, wherein the seat portion and the backrest portion are embedded in a vehicle seat. The child seat body has a head protection cushion for protecting the infant's head,
The child seat according to any one of claims 1 to 5, wherein the head protection cushion is configured to be turnable so as to jump up and backward with respect to the backrest portion. The seat portion includes a crotch portion fixing belt extending in the left-right direction, and the backrest portion includes a back portion fixing belt extending in the left-right direction,
The safety belt has a belt-like crotch portion extending in the front-rear direction between the crotch of the infant and a back portion located on the back of the infant, and the crotch portion fixing belt is provided in a pair of left and right slits provided on the back portion. The child seat according to any one of claims 1 to 6, wherein the child seat is detachably connected to the child seat body through the back fixing belt through the crotch portion.

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