JP7081798B2 - Baby chair - Google Patents

Description

The present invention relates to an infant chair used by an infant for learning, eating, and the like.

Conventionally, an infant chair for an infant to sit at the time of learning, eating, etc. has been proposed (see, for example, Patent Document 1). Patent Document 1 describes an infant chair provided with a back plate, both side plates, and a seat plate orthogonal to these.

Japanese Unexamined Patent Publication No. 2013-141547

The above-mentioned Patent Document 1 describes an example in which two infant chairs are adjacent to each other and used as a desk or the like. However, in the configuration of the infant chair described in the patent document, the infant chair moves when a force is applied due to a slight contact or the like, so that the infant chair is likely to be displaced from the adjacent infant chair, resulting in poor usability. ..

In addition, when the infant chair is not used, a plurality of infant chairs may be stably stacked. In particular, in places where a large number of infant chairs are used, such as kindergartens and nursery schools, it is highly necessary to stack infant chairs in order to effectively utilize the nursery space. However, when the infant chairs described in the patent document are stacked, the balance may be lost with a small amount of force, so that the infant chairs cannot be stacked stably.

The present invention has been made in view of the above circumstances, and the problem to be solved by the present invention is to improve usability when a plurality of infant chairs are used adjacent to each other and when they are stacked when not in use. It is to provide an infant chair that can enhance the stability of the baby.

Hereinafter, means for solving the above problems will be described.

The infant chair according to the present invention has two side plates arranged in parallel facing each other, a back plate orthogonal to the side plates and provided in contact with the rear end portion of the side plates, and the two side plates. And a seat plate provided orthogonally to the back plate, and is a chair for infants that can be used in both an upright posture and an inverted posture in which the vertical direction is inverted from the upright posture. The seat plate is provided at a position biased to one side in the vertical direction from the central portion in the vertical direction of the side plate, and a plurality of convex shapes are formed at one end in the vertical direction of the two side plates. At the other ends of the two side plates in the vertical direction, a concave shape having the same shape as the convex shape is formed at the same front-rear position as the convex shape, and the front end portions of the two side plates and the said A ridge portion is formed along the vertical direction on one of both ends in the left-right direction of the back plate, and a groove portion larger than the ridge portion is formed on the other side.

According to the infant chair according to the present invention, it is possible to improve the usability when a plurality of chairs are used adjacent to each other and to improve the stability when the chairs are stacked when not in use.

The perspective view which shows the upright posture of the infant chair which concerns on this embodiment. Front view also showing a baby chair. A plan view also showing an infant chair. Right side view also showing a baby chair. (A) and (b) are perspective views showing the inverted posture and the desk posture of the infant chair. A perspective view showing a state in which infant chairs in a desk posture are used adjacent to each other. (A) and (b) are a front perspective view and a rear perspective view showing a state in which infant chairs in an upright posture are stacked. (A) is a perspective view showing a state in which infant chairs in a desk posture are stacked, and (b) is a perspective view showing a state in which infant chairs in which the desk posture is inverted upside down are stacked.

Hereinafter, the infant chair (hereinafter, simply referred to as “chair”) 10 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 8. The arrows shown in each figure indicate the absolute direction in the space where the chair 10 is arranged. The chair 10 in the present embodiment is configured by combining wood such as cypress. The material of the chair 10 is not limited to wood, and other materials such as resin can be used.

As shown in FIGS. 1 to 4, the chair 10 is composed of a combination of two side plates (right side plate 1 and left side plate 2), a back plate 3, and a seat plate 4. The right side plate 1 and the left side plate 2 are arranged so as to face each other and parallel to each other so as to be orthogonal to the left-right direction. The back plate 3 is provided so as to be orthogonal to the right side plate 1 and the left side plate 2 so as to be orthogonal to the front-rear direction, and to be in contact with the rear end portions of the right side plate 1 and the left side plate 2. As shown in FIGS. 2 to 4, the side plates 1 and 2 and the back plate 3 are each joined by four dowels D1. The number of dowels D1 is not limited.

The seat plate 4 is provided orthogonal to the right side plate 1, the left side plate 2, and the back plate 3 so as to be orthogonal to the vertical direction. The seat plate 4 is inserted into the grooves 1g, 2g, and 3g formed in the side plates 1 and 2 and the back plate 3, respectively. Further, as shown in FIGS. 2 to 4, the seat plate 4 and the side plates 1 and 2 are joined by two dowels D2, respectively. The number of dowels D2 is not limited.

An infant who is a user of the chair 10 uses the chair 10 by sitting on the seat plate 4. In the seat plate 4, one end side recess 4a is formed on the one end side surface in the vertical direction, and the other end side recess 4b is formed on the other end side surface. The concave portion 4a on the one end side and the concave portion 4b on the other end side improve the sitting comfort when the infant sits on the seat plate 4. Further, a concave portion 4c is formed at the front end portion of the seat plate 4 so that the length in the front-rear direction of the central portion in the left-right direction is shortened.

One end portions 1a and 2a and the other end portions 1b and 2b are formed on both side plates 1 and 2 in the vertical direction. In FIG. 1, one end portions 1a and 2a are arranged upward, and the other end portions 1b and 2b are arranged downward (the other end portions 1b and 2b are grounded to the floor surface). In the present embodiment, the posture of the chair 10 in which one ends 1a and 2a are arranged upward as shown in FIG. 1 is referred to as an "upright posture".

As shown in FIG. 5A, the chair 10 can also be used in a posture in which the vertical direction is inverted from the upright posture. That is, the other end portions 1b and 2b are arranged upward, and the one end portions 1a and 2a are arranged downward (the one end portions 1a and 2a are grounded to the floor surface). In the present embodiment, the posture of the chair 10 in which the other ends 1b and 2b are arranged upward as shown in FIG. 5A is referred to as an “inverted posture”.

In the chair 10 according to the present embodiment, the seat plate 4 is provided at a position biased from the central portion of the side plates 1 and 2 in the vertical direction to one side in the vertical direction (lower side in FIG. 1) (see FIG. 2). ). In other words, the seat plate 4 is an inverted seat plate which is a distance from the end portion on the one end portions 1a and 2a side of the upright seat plate height h1 which is the distance from the end portion on the other end portion 1b and 2b side. It is provided on the side closer to the other end portions 1b and 2b so that the height h2 becomes large. Therefore, when the chair 10 is used in an upright posture, the vertical position of the seat plate 4 is lower than the vertical central portion of the chair 10. On the contrary, when the chair 10 is used in the inverted posture, the vertical position of the seat plate 4 is higher than the vertical central portion of the chair 10. In this way, the chair 10 makes it possible to change the height of the seat plate 4 when using the upright posture and when using the inverted posture. Thereby, the height of the seat plate 4 can be changed according to the height of the infant who is the user.

Further, as shown in FIG. 5B, the chair 10 can also be used in a posture in which the back surface of the back plate 3 faces upward. That is, the chair 10 in the upright posture or the inverted posture is rotated 90 degrees on the opposite side of the back plate 3, and the back plate 3 is arranged facing upward. In the present embodiment, the posture of the chair 10 in FIG. 5B is referred to as a “desk posture”. By setting the chair 10 in a desk posture, the infant who is the user can perform work such as learning and painting on the back plate 3.

The chair 10 in a desk posture may be used as a chair (sitting on the back plate 3). Further, it is also possible to use the chair 10 as a desk or a chair by using the upper surface of the other while one of the side plates 1 and 2 of the chair 10 is in contact with the floor surface. It is also possible to use the chairs 10 and 10 as a set of a chair and a desk, with one of the two chairs 10 and 10 in an upright posture or an inverted posture and the other in a desk posture.

As shown in FIGS. 1 and 4, three convex shapes 11 and 21 are formed on one ends 1a and 2a of the side plates 1 and 2. Specifically, the three convex shapes 11 and 21 and the concave shapes 12 and 22 are alternately formed. Further, on the other ends 1b and 2b of the side plates 1 and 2, three concave shapes 13 and 23 having the same shape as the convex shapes 11 and 21 are formed at the same front-rear direction positions as the convex shapes 11 and 21. .. Specifically, the three concave shapes 13 and 23 and the convex shapes 14 and 24 are alternately formed. The number of convex shapes 11 and 21, concave shapes 12 and 22, concave shapes 13 and 23, and convex shapes 14 and 24 is not limited to three, and if there are a plurality of them, two or four or more. It is also possible to.

By configuring the chair 10 as described above, when a plurality of chairs 10 are adjacent to each other in a desk posture, the convex shapes 11 and 21 formed on the one end portions 1a and 2a are formed on the other end portion 1b as shown in FIG. It can be inserted into the concave shapes 13 and 23 formed in 2b and meshed with each other. Therefore, even if a force is applied to one chair 10 in the vertical direction, the deviation from the other chair 10 is unlikely to occur. That is, it is possible to improve usability when a plurality of chairs 10 are used adjacently in a desk posture.

Further, in the chair 10 according to the present embodiment, as shown in FIGS. 7 (a) and 7 (b), the convex shapes 11 and 21 formed on the one end portions 1a and 2a are formed on the other end portions 1b and 2b. It can be inserted into shapes 13 and 23 and stacked while being engaged with each other. Therefore, it is possible to prevent the chairs 10 and 10 arranged in the vertical direction from being displaced in the front-rear direction, and it is possible to stably stack the plurality of chairs 10. As a result, even when a large number of chairs 10 are used in a kindergarten, a nursery school, or the like, the nursery space can be effectively utilized by stacking the plurality of chairs 10. That is, according to the chair 10 according to the present embodiment, it is possible to improve the storability when not in use.

It should be noted that the numbers of the convex shapes 11 and 21 and the concave shapes 13 and 23 do not necessarily have to be the same in the one end portions 1a and 2a and the other end portions 1b and 2b. For example, it is also possible to form two convex shapes 11 and 21 and to form one concave shape 13 and 23 into which two convex shapes 11 and 21 can be inserted. That is, the shape and the number of the chairs 10 and 10 are not limited as long as the displacement of the chairs 10 and 10 in the front-rear direction is restricted when the convex shapes 11 and 21 are inserted into the concave shapes 13 and 23. ..

Further, in the chair 10 according to the present embodiment, the back plate 3 is formed so that the lengths in the vertical direction are equal to those of the side plates 1 and 2 (so that the lengths from the upper end to the lower end are equal). Then, as shown in FIG. 2, a convex portion 31 is formed at the upper end portion of the back plate 3, and a concave portion 32 having the same shape as the convex portion 31 is formed at the lower end portion of the back plate 3 at the same left-right direction position as the convex portion 31. Is formed.

By configuring the chair 10 as described above, the convex portion 31 can be inserted into the concave portion 32 as shown in FIG. 6 when a plurality of chairs 10 are adjacent to each other in a desk posture. Therefore, even if a force is applied to one chair 10 in the horizontal direction, the deviation from the other chair 10 is unlikely to occur. That is, it is possible to further improve the usability when a plurality of chairs 10 are used adjacently in a desk posture.

Further, as shown in FIGS. 7A and 7B, the chairs 10 according to the present embodiment can be stacked with the convex portion 31 inserted into the concave portion 32. Therefore, it is possible to prevent the chairs 10 and 10 arranged in the vertical direction from being displaced in the horizontal direction, and it is possible to stably stack the plurality of chairs 10. Although the number of the convex portions 31 and the concave portions 32 is one in the present embodiment, it is possible to form a plurality of convex portions 31 and the concave portions 32.

Further, in the chair 10 according to the present embodiment, ridge portions 15 and 25 are formed along the vertical direction at the front end portions of the side plates 1 and 2 (see FIG. 5A), and the back surface of the back plate 3 is formed. Grooves 33 and 33 larger than the protrusions 15 and 25 are formed at both ends in the left-right direction in the above (see FIG. 5A). The groove portions 33 and 33 have a function as a stopper for preventing the writing tool and the like from falling when the chair 10 is used in a desk posture.

By configuring the chair 10 as described above, as shown in FIGS. 8 (a) and 8 (b), when stacking in a desk posture or a posture in which the desk posture is turned upside down, the protrusions 15 and 25 Can be inserted into the grooves 33 and 33. Therefore, it is possible to prevent the chairs 10 and 10 arranged in the vertical direction from being displaced from each other, and it is possible to stably stack the plurality of chairs 10. In the present embodiment, the ridges 15 and 25 are formed on the side plates 1 and 2, and the grooves 33 and 33 are formed on the back plate 3, but the ridges and the grooves are formed in reverse. There is no problem.

Further, in the chair 10 according to the present embodiment, a concave portion 4c is formed at the front end portion of the seat plate 4 so that the length in the front-rear direction of the central portion in the left-right direction is shortened. As a result, when the infant uses the chair 10, it is possible to sit on the back side of the seat plate 4, so that the sense of stability of the chair 10 can be improved. In the present embodiment, the seat plate 4 is formed so that the central portion of the concave portion 4c is in the same front-rear position as the frontmost convex shapes 14 and 24 in the other end portions 1b and 2b of the both side plates 1 and 2. Has been done. As a result, when the infant uses the chair 10, it is possible to suppress the occurrence of rotation that falls forward.

Further, in the chair 10 according to the present embodiment, the handle holes 17 and 27 penetrating the side plates are opened at the ends on the one ends 1a and 2a sides of the side plates 1 and 2. Further, handle holes 18 and 28 penetrating the side plates are opened at the ends of the side plates 1 and 2 on the other end 1b and 2b sides. These handle holes 17, 18, 27, and 28 are formed slightly behind the side plates 1 and 2 in the front-rear direction. As a result, when carrying the chair 10 with the handle holes 17, 18, 27, and 28, the upper side of the center of gravity of the chair 10 can be gripped, so that the chair 10 can be easily carried.

1 Right side plate 1a One end
1b Other end 1g Groove
2 Left plate 2a One end
2b Other end 2g Groove
3 Tergum 3g Groove
4 Seat plate 4a Seat
4b Seat 4c Concave
10 Chair (Infant chair) 11 Convex shape
12 concave shape 13 concave shape
14 Convex shape 15 Protruding part
17 Handle hole 18 Handle hole
21 Convex shape 22 Concave shape
23 Concave shape 24 Convex shape
25 Protruding part 27 Handle hole
28 Handle hole 31 Convex part
32 Recess 33 Groove
D1 dowel D2 dowel
h1 Upright seat plate height h2 Inverted seat plate height

Claims (4)

The two side plates arranged in parallel facing each other, the back plate provided at right angles to the side plates and in contact with the rear end portion of the side plates, and orthogonal to the two side plates and the back plate. It is a chair for infants that is provided with a seat plate and can be used in both an upright posture and an inverted posture in which the vertical direction is inverted from the upright posture.
The seat plate is provided at a position biased to one side in the vertical direction from the central portion in the vertical direction of the side plate.
A plurality of convex shapes are formed at one end in the vertical direction of the two side plates.
At the other end of the two side plates in the vertical direction, a concave shape having the same shape as the convex shape is formed at the same front-rear position as the convex shape.
A ridge portion is formed along the vertical direction on one of the front end portion of the two side plates and the left and right end portions of the back plate, and a groove portion larger than the ridge portion is formed on the other side. An infant chair to be formed. The back plate is formed so as to have the same vertical length as the side plate.
At least one convex portion is formed at one end of the back plate in the vertical direction.
The infant chair according to claim 1, wherein a concave portion having the same shape as the convex portion is formed at the other end portion of the back plate in the vertical direction at the same horizontal position as the convex portion. The infant chair according to claim 1 or 2 , wherein the front end portion of the seat plate is formed in a concave shape so that the length in the front-rear direction of the central portion in the left-right direction is shortened. Handle holes penetrating the side plate are opened at both ends of the side plate in the vertical direction.
The infant chair according to any one of claims 1 to 3, wherein the handle hole is formed behind the central portion in the front-rear direction of the side plate.

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